BattleData can hold a limited number of characters

This method is too overloaded. The pseudocode itself takes up a whole
page.

.gitignore

@@ -9,6 +9,9 @@
 Release/
 Debug/
 Out/
+release/
+debug/
+out/
 
 #Project generated files
 *.db

.gitmodules

@@ -0,0 +1,3 @@
+[submodule "bin"]
+	path = bin
+	url = https://github.com/Ratstail91/Tortuga.git

README.md

@@ -1,32 +1,45 @@
 ## Outline
 
-Tortuga is a 2D multiplayer JRPG featuring permadeath, with an emphasis on multiplayer cooperation, exploration and customization. The game runs on customizable public and private servers.
+Tortuga is a 2D MMORPG featuring permadeath, with an emphasis on multiplayer cooperation, exploration and customization. The game runs on customizable public and private servers.
 
-This game is inspired by classic 2D RPGs (Final Fantasy, The Legend of Zelda), as well as more modern sandboxes amd MMOs (Minecraft, EVE Online). This project is currently independently created and funded, with the goal of creating a game that will engage the players and inspire a large community.
+This game is inspired by classic 2D RPGs (Final Fantasy, The Legend of Zelda), as well as more modern sandboxes and MMOs (Minecraft, EVE Online). This project is currently independently created and funded, with the goal of creating a game that will engage the players and inspire a large community.
 
 ## Releases
 
-The most recent stable build for Windows can be found [here](https://dl.dropboxusercontent.com/u/46669050/Tortuga.rar).
+* The most recent stable build for Windows can be found [here](https://dl.dropboxusercontent.com/u/46669050/Tortuga-win.rar).
+* The most recent stable build for Linux can be found [here](https://dl.dropboxusercontent.com/u/46669050/Tortuga-linux.tar).
 
 ## Documentation
 
-* [Tortuga Wiki](https://github.com/Ratstail91/Tortuga/wiki) - Full documentation
+* [Tortuga Wiki](https://github.com/Ratstail91/Tortuga/wiki) - Full documentation (incomplete)
 * [Tortuga Bug Tracker](https://github.com/Ratstail91/Tortuga/issues) - A list of all known bugs and issues
 
 ## External Dependencies
 
-* [SDL 1.2](http://www.libsdl.org/) - Simple DirectMedia Layer API
-* [SDL_net 1.2](http://www.libsdl.org/projects/SDL_net/) - SDL's networking extension
+* [SDL 2.0](http://www.libsdl.org/) - Simple DirectMedia Layer API
+* [SDL_image 2.0](https://www.libsdl.org/projects/SDL_image/) - An SDL Extension for loading multiple image file formats
+* [SDL_net 2.0](http://www.libsdl.org/projects/SDL_net/) - SDL's networking extension
+* [SDL_ttf 2.0](https://www.libsdl.org/projects/SDL_ttf/) - An SDL extention for rendering fonts
 * [lua 5.2](http://www.lua.org/) - The lua programming language
 * [SQLite3](http://www.sqlite.org/) - A lightweight SQL database engine
 
+## Tools
+
+* [WinRAR](http://www.rarlab.com/) - A free archive tool; needed for Windows distribution
+* [tar](http://www.gnu.org/software/tar/manual/) - The GNU archive tool; needed for Linux distribution
+* [Dropbox](https://www.dropbox.com/) - For hosting and distribution
+
+## Using and Including
+
+* [Coolvetica Typeface](http://typodermicfonts.com/coolvetica/)
+
 ## Copyright
 
 (Future versions (to be determined) may be released under a modified version of the [Uplink Developer's License](http://www.introversion.co.uk/uplink/developer/license.html).)
 
 The current version of Tortuga is released under the [zlib license](http://en.wikipedia.org/wiki/Zlib_License).  
 
-Copyright (c) 2013-2015 Kayne Ruse
+Copyright (c) 2013-2016 Kayne Ruse
 
 This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
 
@@ -34,4 +47,9 @@ Permission is granted to anyone to use this software for any purpose, including
 
 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
+3. This notice may not be removed or altered from any source distribution.
+
+### Items not made by me
+
+* [Coolvetica Font](http://typodermicfonts.com/coolvetica/)
+* Creative Commons Artwork from [Artsader](http://www.moosader.com/artsader/)

client/base_scene.cpp

@@ -0,0 +1,105 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "base_scene.hpp"
+
+SDL_Renderer* BaseScene::rendererHandle = nullptr;
+
+BaseScene::BaseScene() {
+	//EMPTY
+}
+
+BaseScene::~BaseScene() {
+	//EMPTY
+}
+
+void BaseScene::RenderFrame(SDL_Renderer* renderer) {
+	//EMPTY
+}
+
+void BaseScene::SetRenderer(SDL_Renderer* r) {
+	rendererHandle = r;
+}
+
+SDL_Renderer* BaseScene::GetRenderer() {
+	return rendererHandle;
+}
+
+void BaseScene::SetSceneSignal(SceneSignal signal) {
+	sceneSignal = signal;
+}
+
+SceneSignal BaseScene::GetSceneSignal() {
+	return sceneSignal;
+}
+
+//-------------------------
+//frame phases
+//-------------------------
+
+void BaseScene::FrameStart() {
+	//EMPTY
+}
+
+void BaseScene::Update() {
+	//EMPTY
+}
+
+void BaseScene::FrameEnd() {
+	//EMPTY
+}
+
+//-------------------------
+//input events
+//-------------------------
+
+void BaseScene::QuitEvent() {
+	sceneSignal = SceneSignal::QUIT;
+}
+
+void BaseScene::MouseMotion(SDL_MouseMotionEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::KeyDown(SDL_KeyboardEvent const& event) {
+	//preference as a default
+	switch(event.keysym.sym) {
+		case SDLK_ESCAPE:
+			QuitEvent();
+		break;
+	}
+}
+
+void BaseScene::KeyUp(SDL_KeyboardEvent const& event) {
+	//EMPTY
+}

client/base_scene.hpp

@@ -0,0 +1,61 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "scene_signal.hpp"
+
+#include "SDL2/SDL.h"
+
+class BaseScene {
+public:
+	BaseScene();
+	virtual ~BaseScene();
+
+	virtual void RenderFrame(SDL_Renderer*);
+	static void SetRenderer(SDL_Renderer*);
+	SceneSignal GetSceneSignal();
+
+	//frame phases
+	virtual void FrameStart();
+	virtual void Update();
+	virtual void FrameEnd();
+
+	//input events
+	virtual void QuitEvent();
+	virtual void MouseMotion(SDL_MouseMotionEvent const& event);
+	virtual void MouseButtonDown(SDL_MouseButtonEvent const& event);
+	virtual void MouseButtonUp(SDL_MouseButtonEvent const& event);
+	virtual void MouseWheel(SDL_MouseWheelEvent const& event);
+	virtual void KeyDown(SDL_KeyboardEvent const& event);
+	virtual void KeyUp(SDL_KeyboardEvent const& event);
+
+	//TODO: (9) joystick and controller events
+
+protected:
+	//control
+	static SDL_Renderer* GetRenderer();
+	void SetSceneSignal(SceneSignal);
+
+private:
+	static SDL_Renderer* rendererHandle;
+	SceneSignal sceneSignal = SceneSignal::CONTINUE;
+};

client/channels.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,11 +19,8 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef CHANNELS_HPP_
-#define CHANNELS_HPP_
+#pragma once
 
 enum Channels {
 	SERVER = 0
 };
-
-#endif

client/client_application.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -24,21 +24,14 @@
 #include "serial_packet.hpp"
 #include "config_utility.hpp"
 
-#include <stdexcept>
+//for handling platforms
+#include "SDL2/SDL_syswm.h"
+#include "SDL2/SDL_version.h"
+
 #include <chrono>
 #include <iostream>
-
-//-------------------------
-//Scene headers
-//-------------------------
-
-//Add the custom scene headers here
-#include "splash_screen.hpp"
-#include "main_menu.hpp"
-#include "options_menu.hpp"
-#include "lobby_menu.hpp"
-#include "in_world.hpp"
-#include "disconnected_screen.hpp"
+#include <sstream>
+#include <stdexcept>
 
 //-------------------------
 //Public access members
@@ -51,57 +44,149 @@ void ClientApplication::Init(int argc, char* argv[]) {
 	ConfigUtility& config = ConfigUtility::GetSingleton();
 	config.Load("rsc/config.cfg", false, argc, argv);
 
+	//-------------------------
+	//Initialize SDL
+	//-------------------------
+
+	if (SDL_Init(0)) {
+		std::ostringstream msg;
+		msg << "Failed to initialize SDL: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//-------------------------
+	//create and check the window
+	//-------------------------
+
+	//get the config values
+	int w = config.Int("client.screen.w");
+	int h = config.Int("client.screen.h");
+	int f = config.Boolean("client.screen.f") ? SDL_WINDOW_FULLSCREEN : 0;
+
+	//BUG: fullscreen is disabled
+	f = 0;
+
+	//default sizes
+	w = w ? w : 800;
+	h = h ? h : 600;
+
+	window = SDL_CreateWindow(argv[0], SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, w, h, f);
+
+	if (!window) {
+		std::ostringstream msg;
+		msg << "Failed to create the window: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	std::cout << "Initialized the window" << std::endl;
+
+	//-------------------------
+	//DEBUG: detecting platforms, versions & appropriate fonts
+	//-------------------------
+
+	SDL_SysWMinfo windowInfo;
+	SDL_VERSION(&windowInfo.version);
+	if (SDL_GetWindowWMInfo(window, &windowInfo)) {
+		//
+		std::string platform;
+		std::string fontPath;
+
+		//get the info
+		switch(windowInfo.subsystem) {
+			case SDL_SYSWM_WINDOWS:
+				platform = "Microsoft Windows";
+			break;
+
+			case SDL_SYSWM_X11:
+				platform = "X Window System";
+			break;
+
+			//NOTE: OS X is currently unsupported, but it could be
+			case SDL_SYSWM_COCOA:
+				platform = "Apple OS X";
+			break;
+
+			default:
+				platform = "an unsupported platform";
+		}
+
+		//final output
+		std::cout << "SDL Version ";
+		std::cout << (int)windowInfo.version.major << ".";
+		std::cout << (int)windowInfo.version.minor << ".";
+		std::cout << (int)windowInfo.version.patch << " on ";
+		std::cout << platform << std::endl;
+	}
+	else {
+		std::ostringstream msg;
+		msg << "Failed to retrieve window info: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//-------------------------
+	//create and check the renderer
+	//-------------------------
+
+	renderer = SDL_CreateRenderer(window, -1, 0);
+
+	if (!renderer) {
+		std::ostringstream msg;
+		msg << "Failed to create the renderer: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//screen scaling
+	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "best");
+	SDL_RenderSetLogicalSize(renderer, w, h);
+
+	//set the hook for the renderer
+	BaseScene::SetRenderer(renderer);
+
+	std::cout << "Initialized the renderer" << std::endl;
+
 	//-------------------------
 	//Initialize the APIs
 	//-------------------------
 
-	//initialize SDL
-	if (SDL_Init(SDL_INIT_VIDEO)) {
-		throw(std::runtime_error("Failed to initialize SDL"));
-	}
-	std::cout << "Initialized SDL" << std::endl;
-
 	//initialize SDL_net
 	if (SDLNet_Init()) {
-		throw(std::runtime_error("Failed to initialize SDL_net"));
+		std::ostringstream msg;
+		msg << "Failed to initialize SDL_net 2.0: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
 	UDPNetworkUtility::GetSingleton().Open(0);
-	std::cout << "Initialized SDL_net" << std::endl;
 
-	//-------------------------
-	//Setup the screen
-	//-------------------------
+	std::cout << "Initialized SDL_net 2.0" << std::endl;
 
-	int w = config.Int("client.screen.w");
-	int h = config.Int("client.screen.h");
-	int f = config.Bool("client.screen.f") ? SDL_HWSURFACE|SDL_DOUBLEBUF|SDL_FULLSCREEN : SDL_HWSURFACE|SDL_DOUBLEBUF;
+	//setting up SDL2_ttf
+	if (TTF_Init()) {
+		std::ostringstream msg;
+		msg << "Failed to initialize SDL_ttf 2.0: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
 
-	BaseScene::SetScreen(w ? w : 800, h ? h : 600, 0, f);
-	std::cout << "Initialized the screen" << std::endl;
+	std::cout << "Initialized SDL_ttf 2.0" << std::endl;
 
 	//-------------------------
 	//debug output
 	//-------------------------
 
-	//TODO: enable/disable these with a switch
-#define DEBUG_OUTPUT_VAR(x) std::cout << "\t" << #x << ": " << x << std::endl;
+#define DEBUG_INTERNAL_VAR(x) std::cout << "\t" << #x << ": " << x << std::endl;
 
 	std::cout << "Internal sizes:" << std::endl;
 
-	DEBUG_OUTPUT_VAR(NETWORK_VERSION);
-	DEBUG_OUTPUT_VAR(sizeof(Region::type_t));
-	DEBUG_OUTPUT_VAR(sizeof(Region));
-	DEBUG_OUTPUT_VAR(REGION_WIDTH);
-	DEBUG_OUTPUT_VAR(REGION_HEIGHT);
-	DEBUG_OUTPUT_VAR(REGION_DEPTH);
-	DEBUG_OUTPUT_VAR(REGION_TILE_FOOTPRINT);
-	DEBUG_OUTPUT_VAR(REGION_SOLID_FOOTPRINT);
-	DEBUG_OUTPUT_VAR(PACKET_STRING_SIZE);
-	DEBUG_OUTPUT_VAR(PACKET_BUFFER_SIZE);
-	DEBUG_OUTPUT_VAR(MAX_PACKET_SIZE);
-	DEBUG_OUTPUT_VAR(static_cast<int>(SerialPacketType::LAST));
-
-#undef DEBUG_OUTPUT_VAR
+	DEBUG_INTERNAL_VAR(NETWORK_VERSION);
+	DEBUG_INTERNAL_VAR(sizeof(Region::type_t));
+	DEBUG_INTERNAL_VAR(sizeof(Region));
+	DEBUG_INTERNAL_VAR(REGION_WIDTH);
+	DEBUG_INTERNAL_VAR(REGION_HEIGHT);
+	DEBUG_INTERNAL_VAR(REGION_DEPTH);
+	DEBUG_INTERNAL_VAR(REGION_TILE_FOOTPRINT);
+	DEBUG_INTERNAL_VAR(REGION_SOLID_FOOTPRINT);
+	DEBUG_INTERNAL_VAR(PACKET_STRING_SIZE);
+	DEBUG_INTERNAL_VAR(PACKET_BUFFER_SIZE);
+	DEBUG_INTERNAL_VAR(MAX_PACKET_SIZE);
+	DEBUG_INTERNAL_VAR(static_cast<int>(SerialPacketType::LAST));
 
 	//-------------------------
 	//finalize the startup
@@ -117,81 +202,161 @@ void ClientApplication::Init(int argc, char* argv[]) {
 }
 
 void ClientApplication::Proc() {
-	LoadScene(SceneList::FIRST);
+	//load the first scene
+	ProcessSceneSignal(SceneSignal::FIRST);
 
-	//prepare the time system
+	//fixed frame rate
 	typedef std::chrono::steady_clock Clock;
 
 	Clock::time_point simTime = Clock::now();
 	Clock::time_point realTime;
+	constexpr std::chrono::duration<int, std::milli> frameDelay(16); //~60FPS
 
-	//The main loop
-	while(activeScene->GetNextScene() != SceneList::QUIT) {
-		//switch scenes when necessary
-		if (activeScene->GetNextScene() != SceneList::CONTINUE) {
-			LoadScene(activeScene->GetNextScene());
+	//the game loop continues until the scenes signal QUIT
+	while(activeScene->GetSceneSignal() != SceneSignal::QUIT) {
+		//switch scenes if necessary
+		if(activeScene->GetSceneSignal() != SceneSignal::CONTINUE) {
+			ProcessSceneSignal(activeScene->GetSceneSignal());
 			continue;
 		}
 
 		//update the current time
 		realTime = Clock::now();
 
-		//simulate game time
-		while (simTime < realTime) {
-			//call each user defined function
-			activeScene->RunFrame();
-			//~60 FPS
-			simTime += std::chrono::duration<int, std::milli>(16);
+		//simulate the game or give the machine a break
+		if (simTime < realTime) {
+			while(simTime < realTime) {
+				//call the user defined functions
+				activeScene->FrameStart();
+				ProcessEvents();
+				activeScene->Update();
+				activeScene->FrameEnd();
+
+				//step to the next frame
+				simTime += frameDelay;
+			}
+		}
+		else {
+			SDL_Delay(1);
 		}
 
-		//draw the game to the screen
-		activeScene->RenderFrame();
+		SDL_RenderClear(renderer);
+		activeScene->RenderFrame(renderer);
+		SDL_RenderPresent(renderer);
 	}
 
-	UnloadScene();
+	//cleanup
+	ClearScene();
 }
 
 void ClientApplication::Quit() {
+	//clean up after the program
 	std::cout << "Shutting down" << std::endl;
 	UDPNetworkUtility::GetSingleton().Close();
+	TTF_Quit();
 	SDLNet_Quit();
+	BaseScene::SetRenderer(nullptr);
+	SDL_DestroyRenderer(renderer);
+	SDL_DestroyWindow(window);
 	SDL_Quit();
 	std::cout << "Clean exit" << std::endl;
 }
 
 //-------------------------
-//Private access members
+//Scene management
 //-------------------------
 
-void ClientApplication::LoadScene(SceneList sceneIndex) {
-	UnloadScene();
-	switch(sceneIndex) {
-		//add scene creation calls here
-		case SceneList::FIRST:
-		case SceneList::SPLASHSCREEN:
-			activeScene = new SplashScreen();
-		break;
-		case SceneList::MAINMENU:
-			activeScene = new MainMenu();
-		break;
-		case SceneList::OPTIONSMENU:
-			activeScene = new OptionsMenu();
-		break;
-		case SceneList::LOBBYMENU:
-			activeScene = new LobbyMenu(&clientIndex, &accountIndex);
-		break;
-		case SceneList::INWORLD:
-			activeScene = new InWorld(&clientIndex, &accountIndex);
-		break;
-		case SceneList::DISCONNECTEDSCREEN:
-			activeScene = new DisconnectedScreen();
-		break;
-		default:
-			throw(std::logic_error("Failed to recognize the scene index"));
+void ClientApplication::ProcessEvents() {
+	SDL_Event event;
+	while(SDL_PollEvent(&event)) {
+		switch(event.type) {
+			case SDL_QUIT:
+				activeScene->QuitEvent();
+			break;
+
+			case SDL_MOUSEMOTION:
+				activeScene->MouseMotion(event.motion);
+			break;
+
+			case SDL_MOUSEBUTTONDOWN:
+				activeScene->MouseButtonDown(event.button);
+			break;
+
+			case SDL_MOUSEBUTTONUP:
+				activeScene->MouseButtonUp(event.button);
+			break;
+
+			case SDL_MOUSEWHEEL:
+				activeScene->MouseWheel(event.wheel);
+			break;
+
+			case SDL_KEYDOWN:
+				activeScene->KeyDown(event.key);
+			break;
+
+			case SDL_KEYUP:
+				activeScene->KeyUp(event.key);
+			break;
+
+			//TODO: (9) joystick and controller events
+
+			//window events are handled internally
+			case SDL_WINDOWEVENT:
+				switch(event.window.event) {
+					case SDL_WINDOWEVENT_RESIZED:
+						SDL_RenderSetLogicalSize(renderer, event.window.data1, event.window.data2);
+					break;
+				}
+			break;
+		}
 	}
 }
 
-void ClientApplication::UnloadScene() {
+//Add the custom scene headers here
+#include "splash_screen.hpp"
+#include "main_menu.hpp"
+#include "options_menu.hpp"
+#include "lobby_menu.hpp"
+#include "world.hpp"
+#include "combat.hpp"
+#include "disconnected_screen.hpp"
+
+void ClientApplication::ProcessSceneSignal(SceneSignal signal) {
+	//BUG: #16 Resources are being reloaded between scenes
+	ClearScene();
+	switch(signal) {
+		//add scene creation calls here
+		case SceneSignal::FIRST:
+		case SceneSignal::SPLASHSCREEN:
+			activeScene = new SplashScreen(window);
+		break;
+		case SceneSignal::MAINMENU:
+			activeScene = new MainMenu();
+		break;
+		case SceneSignal::OPTIONSMENU:
+			activeScene = new OptionsMenu();
+		break;
+		case SceneSignal::LOBBYMENU:
+			activeScene = new LobbyMenu(&clientIndex, &accountIndex);
+		break;
+		case SceneSignal::WORLD:
+			activeScene = new World(&clientIndex, &accountIndex);
+		break;
+		case SceneSignal::COMBAT:
+			activeScene = new Combat(&clientIndex, &accountIndex);
+		break;
+		case SceneSignal::DISCONNECTEDSCREEN:
+			activeScene = new DisconnectedScreen();
+		break;
+		default: {
+			std::ostringstream msg;
+			msg << "Failed to recognize the scene signal: " << signal;
+			throw(std::logic_error(msg.str()));
+		}
+	}
+}
+
+void ClientApplication::ClearScene() {
 	delete activeScene;
 	activeScene = nullptr;
 }

client/client_application.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,21 +19,19 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef CLIENTAPPLICATION_HPP_
-#define CLIENTAPPLICATION_HPP_
+#pragma once
 
-#include "scene_list.hpp"
 #include "base_scene.hpp"
-
+#include "scene_signal.hpp"
+#include "singleton.hpp"
 #include "udp_network_utility.hpp"
 
-#include "singleton.hpp"
-
-#include <map>
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_net.h"
+#include "SDL2/SDL_ttf.h"
 
 class ClientApplication: public Singleton<ClientApplication> {
 public:
-	//public methods
 	void Init(int argc, char* argv[]);
 	void Proc();
 	void Quit();
@@ -44,15 +42,18 @@ private:
 	ClientApplication() = default;
 	~ClientApplication() = default;
 
-	//Private access members
-	void LoadScene(SceneList sceneIndex);
-	void UnloadScene();
+	//scene management
+	void ProcessEvents();
+	void ProcessSceneSignal(SceneSignal);
+	void ClearScene();
 
 	BaseScene* activeScene = nullptr;
 
-	//shared parameters
+	//TODO: (9) build a "window" class?
+	SDL_Window* window = nullptr;
+	SDL_Renderer* renderer = nullptr;
+
+	//global scene parameters
 	int clientIndex = -1;
 	int accountIndex = -1;
-};
-
-#endif
+};

client/entities/barrier_manager.cpp

@@ -0,0 +1,94 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "barrier_manager.hpp"
+
+void BarrierManager::DrawTo(SDL_Renderer* const dest, Sint16 x, Sint16 y, double scaleX, double scaleY) {
+	for (auto& it : elementMap) {
+		it.second.DrawTo(dest, x, y);
+	}
+}
+
+void BarrierManager::LoadBaseImage(SDL_Renderer* renderer, std::string fname) {
+	baseImage.Load(renderer, fname);
+}
+
+void BarrierManager::UnloadBaseImage() {
+	baseImage.Free();
+}
+
+void BarrierManager::LoadTemplateImages(SDL_Renderer* renderer, std::string spriteDir, std::list<std::string> names) {
+	//sprite names are file names only
+	for (auto& it : names) {
+		templateImages.emplace(it, Image(renderer, spriteDir + it));
+	}
+}
+
+void BarrierManager::UnloadTemplateImages() {
+	templateImages.clear();
+}
+
+BaseBarrier* BarrierManager::Create(int index) {
+	elementMap.emplace(index, BaseBarrier(baseImage, templateImages));
+	return &elementMap[index];
+}
+
+void BarrierManager::Unload(int i) {
+	elementMap.erase(i);
+}
+
+void BarrierManager::UnloadAll() {
+	elementMap.clear();
+}
+
+void BarrierManager::UnloadIf(std::function<bool(std::pair<const int, BaseBarrier const&>)> fn) {
+	std::map<int, BaseBarrier>::iterator it = elementMap.begin();
+	while (it != elementMap.end()) {
+		if (fn(*it)) {
+			it = elementMap.erase(it);
+		}
+		else {
+			++it;
+		}
+	}
+}
+
+int BarrierManager::Size() {
+	return elementMap.size();
+}
+
+BaseBarrier* BarrierManager::Find(int i) {
+	std::map<int, BaseBarrier>::iterator it = elementMap.find(i);
+
+	if (it == elementMap.end()) {
+		return nullptr;
+	}
+
+	return &it->second;
+}
+
+std::map<int, BaseBarrier>* BarrierManager::GetContainer() {
+	return &elementMap;
+}
+
+std::map<std::string, Image>* BarrierManager::GetTemplateContainer() {
+	return &templateImages;
+}

client/entities/barrier_manager.hpp

@@ -0,0 +1,58 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "base_barrier.hpp"
+
+#include <functional>
+#include <list>
+#include <string>
+
+class BarrierManager {
+public:
+	BarrierManager() = default;
+	~BarrierManager() = default;
+
+	void DrawTo(SDL_Renderer* const, Sint16 x, Sint16 y, double scaleX = 1.0, double scaleY = 1.0);
+
+	//NOTE: don't use these while you have barriers loaded
+	void LoadBaseImage(SDL_Renderer* renderer, std::string fname);
+	void UnloadBaseImage();
+	void LoadTemplateImages(SDL_Renderer* renderer, std::string spriteDir, std::list<std::string> names);
+	void UnloadTemplateImages();
+
+	BaseBarrier* Create(int index);
+	void Unload(int i);
+	void UnloadAll();
+	void UnloadIf(std::function<bool(std::pair<const int, BaseBarrier const&>)> fn);
+
+	int Size();
+
+	BaseBarrier* Find(int i);
+	std::map<int, BaseBarrier>* GetContainer();
+	std::map<std::string, Image>* GetTemplateContainer();
+
+private:
+	Image baseImage;
+	std::map<std::string, Image> templateImages;
+	std::map<int, BaseBarrier> elementMap;
+};

client/entities/base_barrier.cpp

@@ -0,0 +1,105 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "base_barrier.hpp"
+
+#include "config_utility.hpp"
+
+#include <cstring>
+#include <sstream>
+#include <stdexcept>
+
+BaseBarrier::BaseBarrier(Image& argBaseImage, std::map<std::string, Image>& templateImages) {
+	baseImage.SetTexture(argBaseImage.GetTexture());
+	composite.SetTextures(templateImages);
+	memset(status, 0, sizeof(int) * 8);
+	CorrectSprite();
+}
+
+BaseBarrier::~BaseBarrier() {
+	//
+}
+
+void BaseBarrier::CorrectSprite() {
+	//TODO: link status to sprite
+	for (int i = 0; i < 8; i++) {
+		//setup the name
+		std::ostringstream os;
+		os << "slot " << i+1;
+
+		switch(status[i]) {
+			case 0:
+				composite.Disable(os.str() + " green.png");
+				composite.Disable(os.str() + " red.png");
+			break;
+			case 1:
+				composite.Enable(os.str() + " green.png");
+				composite.Disable(os.str() + " red.png");
+			break;
+			case 2:
+				composite.Disable(os.str() + " green.png");
+				composite.Enable(os.str() + " red.png");
+			break;
+			default: {
+				std::ostringstream os;
+				os << "index " << i << ", value " << status[i] << std::endl;
+				throw(std::runtime_error("Unknown graphical status in barrier; " + os.str()));
+			}
+		}
+	}
+}
+
+void BaseBarrier::Update() {
+	//
+}
+
+void BaseBarrier::DrawTo(SDL_Renderer* const dest, int camX, int camY) {
+	//ignore the default sprite for now
+	baseImage.DrawTo(dest, origin.x - camX, origin.y - camY);
+	composite.DrawTo(dest, origin.x - camX, origin.y - camY);
+}
+
+int BaseBarrier::SetStatus(int k, int v) {
+	if (k >= 8 || k < 0) {
+		return -1;
+	}
+	return status[k] = v;
+}
+
+int BaseBarrier::FindStatus(int k) {
+	if (k >= 8 || k < 0) {
+		return -1;
+	}
+	return status[k];
+}
+
+int* BaseBarrier::SetStatusArray(int* ptr) {
+	memcpy(status, ptr, sizeof(int) * 8);
+	return status;
+}
+
+int* BaseBarrier::GetStatusArray() {
+	return status;
+}
+
+CompositeImage<>* BaseBarrier::GetComposite() {
+	return &composite;
+}

client/entities/base_barrier.hpp

@@ -0,0 +1,52 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "entity.hpp"
+
+#include "composite_image.hpp"
+
+class BaseBarrier: public Entity {
+public:
+	BaseBarrier() = default;
+	BaseBarrier(Image& baseImage, std::map<std::string, Image>& templateImages);
+	virtual ~BaseBarrier();
+
+	void CorrectSprite();
+	void Update();
+	void DrawTo(SDL_Renderer* const, int camX, int camY);
+
+	int SetStatus(int, int);
+	int FindStatus(int);
+
+	int* SetStatusArray(int*);
+	int* GetStatusArray();
+
+	CompositeImage<>* GetComposite();
+
+protected:
+	//metadata
+	int status[8];
+
+	Image baseImage;
+	CompositeImage<> composite;
+};

client/entities/base_character.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -21,6 +21,7 @@
 */
 #include "base_character.hpp"
 
+//TODO: (3) remove this
 #include "config_utility.hpp"
 
 //-------------------------
@@ -30,16 +31,16 @@
 void BaseCharacter::CorrectSprite() {
 	//NOTE: These must correspond to the sprite sheet in use
 	if (motion.y > 0) {
-		sprite.SetYIndex(0);
+		sprite.SetIndexY(0);
 	}
 	else if (motion.y < 0) {
-		sprite.SetYIndex(1);
+		sprite.SetIndexY(1);
 	}
 	else if (motion.x > 0) {
-		sprite.SetYIndex(3);
+		sprite.SetIndexY(3);
 	}
 	else if (motion.x < 0) {
-		sprite.SetYIndex(2);
+		sprite.SetIndexY(2);
 	}
 
 	//animation
@@ -48,7 +49,7 @@ void BaseCharacter::CorrectSprite() {
 	}
 	else {
 		sprite.SetDelay(0);
-		sprite.SetXIndex(0);
+		sprite.SetIndexX(0);
 	}
 }
 
@@ -72,9 +73,9 @@ std::string BaseCharacter::GetHandle() const {
 	return handle;
 }
 
-std::string BaseCharacter::SetAvatar(std::string s) {
+std::string BaseCharacter::SetAvatar(SDL_Renderer* const renderer, std::string s) {
 	avatar = s;
-	sprite.LoadSurface(ConfigUtility::GetSingleton()["dir.sprites"] + avatar, CHARACTER_CELLS_X, CHARACTER_CELLS_Y);
+	sprite.Load(renderer, ConfigUtility::GetSingleton()["dir.sprites"] + avatar, CHARACTER_CELLS_X, CHARACTER_CELLS_Y);
 	return avatar;
 }
 

client/entities/base_character.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef BASECHARACTER_HPP_
-#define BASECHARACTER_HPP_
+#pragma once
 
 //components
 #include "character_defines.hpp"
@@ -42,7 +41,7 @@ public:
 	int GetOwner();
 	std::string SetHandle(std::string s);
 	std::string GetHandle() const;
-	std::string SetAvatar(std::string s);
+	std::string SetAvatar(SDL_Renderer* const, std::string s);
 	std::string GetAvatar() const;
 
 protected:
@@ -51,5 +50,3 @@ protected:
 	std::string handle;
 	std::string avatar;
 };
-
-#endif

client/entities/base_creature.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,30 +19,28 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "utility.hpp"
+#include "base_creature.hpp"
 
-#include <algorithm>
+#include "config_utility.hpp"
 
-std::string truncatePath(std::string pathname) {
-	return std::string(
-		std::find_if(
-			pathname.rbegin(),
-			pathname.rend(),
-			[](char ch) -> bool {
-				//windows & unix tested
-				return ch == '/' || ch == '\\';
-			}).base(),
-		pathname.end());
+void BaseCreature::CorrectSprite() {
+	//TODO: (9) BaseCreature::CorrectSprite()
 }
 
-std::string to_string_custom(int i) {
-	char buffer[20];
-	snprintf(buffer, 20, "%d", i);
-	return std::string(buffer);
+std::string BaseCreature::SetHandle(std::string s) {
+	return handle = s;
 }
 
-int to_integer_custom(std::string s) {
-	int ret = 0;
-	sscanf(s.c_str(), "%d", &ret);
-	return ret;
+std::string BaseCreature::GetHandle() const {
+	return handle;
+}
+
+std::string BaseCreature::SetAvatar(SDL_Renderer* const renderer, std::string s) {
+	avatar = s;
+	sprite.Load(renderer, ConfigUtility::GetSingleton()["dir.sprites"] + avatar, 4, 4);
+	return avatar;
+}
+
+std::string BaseCreature::GetAvatar() const {
+	return avatar;
 }

client/entities/base_creature.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,29 +19,24 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef MONSTERDATA_HPP_
-#define MONSTERDATA_HPP_
+#pragma once
 
 #include "entity.hpp"
 
-#include <string>
-
-class MonsterData: public Entity {
+class BaseCreature: public Entity {
 public:
-	MonsterData() = default;
-	~MonsterData() = default;
+	BaseCreature() = default;
+	virtual ~BaseCreature() = default;
 
-	std::string SetAvatar(std::string);
-	int SetScriptReference(int);
+	void CorrectSprite();
 
-	std::string GetAvatar();
-	int GetScriptReference();
-
-private:
-	friend class MonsterManager;
+	std::string SetHandle(std::string s);
+	std::string GetHandle() const;
+	std::string SetAvatar(SDL_Renderer* const, std::string s);
+	std::string GetAvatar() const;
 
+protected:
+	//metadata
+	std::string handle;
 	std::string avatar;
-	int scriptRef;
 };
-
-#endif

client/entities/entity.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -26,8 +26,8 @@ void Entity::Update() {
 	sprite.Update(0.016);
 }
 
-void Entity::DrawTo(SDL_Surface* const dest, int camX, int camY) {
-	sprite.DrawTo(dest, origin.x - camX, origin.y - camY);
+void Entity::DrawTo(SDL_Renderer* const renderer, int camX, int camY) {
+	sprite.DrawTo(renderer, origin.x - camX, origin.y - camY);
 }
 
 SpriteSheet* Entity::GetSprite() {
@@ -50,14 +50,14 @@ BoundingBox Entity::SetBounds(BoundingBox b) {
 	return bounds = b;
 }
 
-Vector2 Entity::GetOrigin() {
+Vector2 Entity::GetOrigin() const {
 	return origin;
 }
 
-Vector2 Entity::GetMotion() {
+Vector2 Entity::GetMotion() const {
 	return motion;
 }
 
-BoundingBox Entity::GetBounds() {
+BoundingBox Entity::GetBounds() const {
 	return bounds;
 }

client/entities/entity.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,18 +19,18 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef ENTITY_HPP_
-#define ENTITY_HPP_
+#pragma once
 
 #include "bounding_box.hpp"
 #include "sprite_sheet.hpp"
 #include "vector2.hpp"
 
 //The base class for all objects in the world
+//TODO: (9) write a better hierarchy
 class Entity {
 public:
 	virtual void Update();
-	virtual void DrawTo(SDL_Surface* const, int camX, int camY);
+	virtual void DrawTo(SDL_Renderer* const, int camX, int camY);
 
 	SpriteSheet* GetSprite();
 
@@ -39,9 +39,9 @@ public:
 	Vector2 SetMotion(Vector2 v);
 	BoundingBox SetBounds(BoundingBox b);
 
-	Vector2 GetOrigin();
-	Vector2 GetMotion();
-	BoundingBox GetBounds();
+	Vector2 GetOrigin() const;
+	Vector2 GetMotion() const;
+	BoundingBox GetBounds() const;
 
 protected:
 	Entity() = default;
@@ -52,5 +52,3 @@ protected:
 	Vector2 motion;
 	BoundingBox bounds;
 };
-
-#endif

client/entities/local_character.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -26,6 +26,7 @@
 bool LocalCharacter::ProcessCollisionGrid(std::list<BoundingBox> boxList) {
 	for(auto& box : boxList) {
 		if (box.CheckOverlap(origin + bounds)) {
+			//TODO: (9) write a better collision system
 			origin -= motion;
 			motion = {0, 0};
 			return true;

client/entities/local_character.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef LOCALCHARACTER_HPP_
-#define LOCALCHARACTER_HPP_
+#pragma once
 
 #include "base_character.hpp"
 #include "bounding_box.hpp"
@@ -38,5 +37,3 @@ public:
 private:
 	//NOTE: NO MEMBERS
 };
-
-#endif

client/entities/makefile

@@ -30,8 +30,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

client/fatal_error.cpp

@@ -0,0 +1,24 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "fatal_error.hpp"
+
+//DOCS: This empty file is used to force an object file

client/fatal_error.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,16 +19,13 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef TERMINALERROR_HPP_
-#define TERMINALERROR_HPP_
+#pragma once
 
 #include <stdexcept>
 #include <string>
 
-class terminal_error: public std::runtime_error {
+class fatal_error: public std::runtime_error {
 public:
-	explicit terminal_error(const std::string& str): runtime_error(str) {}
-	explicit terminal_error(const char* cstr): runtime_error(cstr) {}
+	explicit fatal_error(const std::string& str): runtime_error(str) {}
+	explicit fatal_error(const char* cstr): runtime_error(cstr) {}
 };
-
-#endif

client/heartbeat_utility.cpp

@@ -0,0 +1,58 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "heartbeat_utility.hpp"
+
+#include "channels.hpp"
+#include "ip_operators.hpp"
+
+//heartbeat system
+void HeartbeatUtility::hPing(ServerPacket* const argPacket) {
+	ServerPacket newPacket;
+	newPacket.type = SerialPacketType::PONG;
+	network.SendTo(argPacket->srcAddress, &newPacket);
+}
+
+void HeartbeatUtility::hPong(ServerPacket* const argPacket) {
+	if (*network.GetIPAddress(Channels::SERVER) != argPacket->srcAddress) {
+		throw(std::runtime_error("Heartbeat message received from an unknown source"));
+	}
+	attemptedBeats = 0;
+	lastBeat = Clock::now();
+}
+
+int HeartbeatUtility::CheckHeartBeat() {
+	//check the connection (heartbeat)
+	if (Clock::now() - lastBeat > std::chrono::seconds(3)) {
+		if (attemptedBeats > 2) {
+			return 1;
+		}
+		else {
+			ServerPacket newPacket;
+			newPacket.type = SerialPacketType::PING;
+			network.SendTo(Channels::SERVER, &newPacket);
+
+			attemptedBeats++;
+			lastBeat = Clock::now();
+		}
+	}
+	return 0;
+}

client/heartbeat_utility.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,31 +19,24 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef WAYPOINTDATA_HPP_
-#define WAYPOINTDATA_HPP_
+#pragma once
 
-#include "entity.hpp"
+#include "server_packet.hpp"
+#include "udp_network_utility.hpp"
 
-#if defined(__MINGW32__)
- #include "lua/lua.hpp"
-#else
- #include "lua.hpp"
-#endif
+#include <chrono>
 
-#include <string>
-
-class WaypointData: public Entity {
+class HeartbeatUtility {
 public:
-	WaypointData() = default;
-	~WaypointData() = default;
+	//heartbeat system
+	void hPing(ServerPacket* const);
+	void hPong(ServerPacket* const);
 
-	int SetTriggerReference(int i);
-	int GetTriggerReference();
+	int CheckHeartBeat();
 
 private:
-	friend class WaypointManager;
-
-	int triggerRef = LUA_NOREF;
-};
-
-#endif
+	UDPNetworkUtility& network = UDPNetworkUtility::GetSingleton();
+	typedef std::chrono::steady_clock Clock;
+	Clock::time_point lastBeat = Clock::now();
+	int attemptedBeats = 0;
+};

client/main.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -44,6 +44,7 @@ int main(int argc, char* argv[]) {
 		app.Proc();
 		app.Quit();
 
+		//control the position of the app's destructor
 		ClientApplication::DeleteSingleton();
 
 		//delete the singletons

client/makefile

@@ -1,16 +1,20 @@
 #include directories
-INCLUDES+=. client_utilities entities scenes ../common/debugging ../common/gameplay ../common/graphics ../common/map ../common/network ../common/network/packet_types ../common/ui ../common/utilities
+INCLUDES+=. entities scenes ../common/debugging ../common/gameplay ../common/graphics ../common/map ../common/network ../common/network/packet_types ../common/ui ../common/utilities
 
 #libraries
 #the order of the $(LIBS) is important, at least for MinGW
-LIBS+=client.a ../libcommon.a -lSDL_net
+LIBS+=client.a ../common/libcommon.a -lSDL2_net
 ifeq ($(OS),Windows_NT)
 	LIBS+=-lwsock32 -liphlpapi -lmingw32
 endif
-LIBS+=-lSDLmain -lSDL
+LIBS+=-lSDL2main -lSDL2 -lSDL2_image -lSDL2_ttf
 
 #flags
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
+ifeq ($(shell uname), Linux)
+	#read data about the current install
+	CXXFLAGS+=$(shell sdl-config --cflags --static-libs)
+endif
 
 #source
 CXXSRC=$(wildcard *.cpp)
@@ -25,7 +29,6 @@ OUT=$(addprefix $(OUTDIR)/,client)
 
 #targets
 all: $(OBJ) $(OUT)
-	$(MAKE) -C client_utilities
 	$(MAKE) -C entities
 	$(MAKE) -C scenes
 	$(CXX) $(CXXFLAGS) -o $(OUT) $(OBJ) $(LIBS)
@@ -44,6 +47,12 @@ $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
 
 clean:
+ifeq ($(OS),Windows_NT)
 	$(RM) *.o *.a *.exe
+else ifeq ($(shell uname), Linux)
+	find . -type f -name *.o -exec rm -f -r -v {} \;
+	find . -type f -name *.a -exec rm -f -r -v {} \;
+	rm -f -v out/client out/server
+endif
 
 rebuild: clean all

client/scene_signal.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,22 +19,20 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef SCENELIST_HPP_
-#define SCENELIST_HPP_
+#pragma once
 
-enum class SceneList {
-	//these are reserved
-	QUIT,
-	CONTINUE,
-	FIRST,
+enum SceneSignal {
+	//reserved members for internal use
+	QUIT = -1,
+	CONTINUE = 0,
+	FIRST = 1,
 
-	//custom indexes
+	//custom scenes
 	SPLASHSCREEN,
 	MAINMENU,
 	OPTIONSMENU,
 	LOBBYMENU,
-	INWORLD,
+	WORLD,
+	COMBAT,
 	DISCONNECTEDSCREEN,
-};
-
-#endif
+};

client/scenes/base_scene.cpp

@@ -1,140 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "base_scene.hpp"
-
-#include <stdexcept>
-
-//-------------------------
-//Static declarations
-//-------------------------
-
-SDL_Surface* BaseScene::screen = nullptr;
-
-//-------------------------
-//Public access members
-//-------------------------
-
-BaseScene::BaseScene() {
-	//
-}
-
-BaseScene::~BaseScene() {
-	//
-}
-
-//-------------------------
-//Program control
-//-------------------------
-
-SDL_Surface* BaseScene::SetScreen(int w, int h, int bpp, Uint32 flags) {
-	if (!bpp) {
-		bpp = SDL_GetVideoInfo()->vfmt->BitsPerPixel;
-	}
-
-	screen = SDL_SetVideoMode(w, h, bpp, flags);
-
-	if (!screen) {
-		throw(std::runtime_error("Failed to create the screen surface"));
-	}
-
-	return screen;
-}
-
-SDL_Surface* BaseScene::GetScreen() {
-	return screen;
-}
-
-SceneList BaseScene::SetNextScene(SceneList sceneIndex) {
-	return nextScene = sceneIndex;
-}
-
-SceneList BaseScene::GetNextScene() const {
-	return nextScene;
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void BaseScene::RunFrame() {
-	FrameStart();
-	HandleEvents();
-	Update();
-	FrameEnd();
-}
-
-void BaseScene::RenderFrame() {
-	SDL_FillRect(screen, 0, 0);
-	Render(screen);
-	SDL_Flip(screen);
-	SDL_Delay(10);
-}
-
-//-------------------------
-//Event handlers
-//-------------------------
-
-void BaseScene::HandleEvents() {
-	SDL_Event event;
-
-	while(SDL_PollEvent(&event)) {
-		switch(event.type) {
-			case SDL_QUIT:
-				QuitEvent();
-			break;
-
-			case SDL_VIDEORESIZE:
-				SetScreen(event.resize.w, event.resize.h, 0, screen->flags);
-			break;
-
-			case SDL_MOUSEMOTION:
-				MouseMotion(event.motion);
-			break;
-
-			case SDL_MOUSEBUTTONDOWN:
-				MouseButtonDown(event.button);
-			break;
-
-			case SDL_MOUSEBUTTONUP:
-				MouseButtonUp(event.button);
-			break;
-
-			case SDL_KEYDOWN:
-				KeyDown(event.key);
-			break;
-
-			case SDL_KEYUP:
-				KeyUp(event.key);
-			break;
-
-#ifdef USE_EVENT_JOYSTICK
-			//TODO: joystick/gamepad support
-#endif
-
-#ifdef USE_EVENT_UNKNOWN
-			default:
-				UnknownEvent(event);
-			break;
-#endif
-		}//switch
-	}//while
-}

client/scenes/base_scene.hpp

@@ -1,74 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef BASESCENE_HPP_
-#define BASESCENE_HPP_
-
-#include "scene_list.hpp"
-
-#include "SDL/SDL.h"
-
-class BaseScene {
-public:
-	//Public access members
-	BaseScene();
-	virtual ~BaseScene();
-
-	//Program control
-	static SDL_Surface* SetScreen(int w, int h, int bpp = 0, Uint32 flags = SDL_HWSURFACE|SDL_DOUBLEBUF);
-	static SDL_Surface* GetScreen();
-
-	SceneList SetNextScene(SceneList sceneIndex);
-	SceneList GetNextScene() const;
-
-	//Frame loop
-	virtual void RunFrame();
-	virtual void RenderFrame();
-
-protected:
-	virtual void FrameStart() {}
-	virtual void HandleEvents();
-	virtual void Update() {}
-	virtual void FrameEnd() {}
-	virtual void Render(SDL_Surface* const screen) {}
-
-	//Event handlers
-	virtual void QuitEvent() { SetNextScene(SceneList::QUIT); }
-	virtual void MouseMotion(SDL_MouseMotionEvent const&) {}
-	virtual void MouseButtonDown(SDL_MouseButtonEvent const&) {}
-	virtual void MouseButtonUp(SDL_MouseButtonEvent const&) {}
-	virtual void KeyDown(SDL_KeyboardEvent const&) {}
-	virtual void KeyUp(SDL_KeyboardEvent const&) {}
-
-#ifdef USE_EVENT_JOYSTICK
-	//TODO: joystick/gamepad support
-#endif
-
-#ifdef USE_EVENT_UNKNOWN
-	virtual void UnknownEvent(SDL_Event const&) {}
-#endif
-
-private:
-	static SDL_Surface* screen;
-	SceneList nextScene = SceneList::CONTINUE;
-};
-
-#endif

client/scenes/combat.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,37 +19,59 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "room_system_api.hpp"
+#include "combat.hpp"
 
-//all room API headers
-#include "room_api.hpp"
-#include "room_manager_api.hpp"
-
-//useful "globals"
-//...
-
-//This mimics linit.c to create a nested collection of all room modules.
-static const luaL_Reg funcs[] = {
-	{nullptr, nullptr}
-};
-
-static const luaL_Reg libs[] = {
-	{"Room", openRoomAPI},
-	{"RoomManager", openRoomManagerAPI},
-	{nullptr, nullptr}
-};
-
-int openRoomSystemAPI(lua_State* L) {
-	//create the table
-	luaL_newlibtable(L, libs);
-
-	//push the "global" functions
-	luaL_setfuncs(L, funcs, 0);
-
-	//push the substable
-	for (const luaL_Reg* lib = libs; lib->func; lib++) {
-		lib->func(L);
-		lua_setfield(L, -2, lib->name);
-	}
-	return 1;
+//Public access members
+Combat::Combat(int* const argClientIndex, int* const argAccountIndex) {
+	//
+}
+
+Combat::~Combat() {
+	//
+}
+
+void Combat::RenderFrame(SDL_Renderer* renderer) {
+	//
+}
+
+//frame phases
+void Combat::FrameStart() {
+	//
+}
+
+void Combat::Update() {
+	//
+}
+
+void Combat::FrameEnd() {
+	//
+}
+
+//input events
+void Combat::QuitEvent() {
+	//
+}
+
+void Combat::MouseMotion(SDL_MouseMotionEvent const& event) {
+	//
+}
+
+void Combat::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	//
+}
+
+void Combat::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//
+}
+
+void Combat::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//
+}
+
+void Combat::KeyDown(SDL_KeyboardEvent const& event) {
+	//
+}
+
+void Combat::KeyUp(SDL_KeyboardEvent const& event) {
+	//
 }

client/scenes/combat.hpp

@@ -0,0 +1,48 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "base_scene.hpp"
+
+class Combat: public BaseScene {
+public:
+	//Public access members
+	Combat(int* const argClientIndex, int* const argAccountIndex);
+	~Combat();
+
+	void RenderFrame(SDL_Renderer* renderer) override;
+
+private:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void QuitEvent();
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
+};

client/scenes/disconnected_screen.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -25,8 +25,11 @@
 #include "config_utility.hpp"
 #include "udp_network_utility.hpp"
 
+#include <sstream>
 #include <stdexcept>
 
+constexpr SDL_Color WHITE = {255, 255, 255, 255};
+
 //-------------------------
 //Public access members
 //-------------------------
@@ -35,20 +38,29 @@ DisconnectedScreen::DisconnectedScreen() {
 	ConfigUtility& config = ConfigUtility::GetSingleton();
 
 	//setup the utility objects
-	image.LoadSurface(config["dir.interface"] + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(config["dir.fonts"] + "pk_white_8.bmp");
+	//TODO: (1) resource tool, to prevent reloading like this
+	image.Load(GetRenderer(), config["dir.interface"] + "button_blue.png");
+	font = TTF_OpenFont(config["client.font"].c_str(), 12);
 
-	//pass the utility objects
-	backButton.SetImage(&image);
-	backButton.SetFont(&font);
+	//check that the font loaded
+	if (!font) {
+		std::ostringstream msg;
+		msg << "Failed to load a font file; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//setup the button
+	backButton.SetBackgroundTexture(GetRenderer(), image.GetTexture());
+	backButton.SetText(GetRenderer(), font, WHITE, "Back");
 
 	//set the button positions
 	backButton.SetX(50);
-	backButton.SetY(50 + image.GetClipH() * 0);
+	backButton.SetY(50);
 
-	//set the button texts
-	backButton.SetText("Back");
+	//set the disconnection message text
+	textLine.SetX(50);
+	textLine.SetY(30);
+	textLine.SetText(GetRenderer(), font, WHITE, config["client.disconnectMessage"]);
 
 	//full reset
 	UDPNetworkUtility::GetSingleton().Unbind(Channels::SERVER);
@@ -58,59 +70,65 @@ DisconnectedScreen::DisconnectedScreen() {
 }
 
 DisconnectedScreen::~DisconnectedScreen() {
-	//
+	TTF_CloseFont(font);
 }
 
 //-------------------------
 //Frame loop
 //-------------------------
 
+void DisconnectedScreen::FrameStart() {
+	//
+}
+
 void DisconnectedScreen::Update() {
 	if (std::chrono::steady_clock::now() - startTick > std::chrono::duration<int>(10)) {
-		SetNextScene(SceneList::MAINMENU);
+		SetSceneSignal(SceneSignal::MAINMENU);
 	}
 
 	//Eat incoming packets
 	while(UDPNetworkUtility::GetSingleton().Receive());
 }
 
-void DisconnectedScreen::Render(SDL_Surface* const screen) {
-	ConfigUtility& config = ConfigUtility::GetSingleton();
+void DisconnectedScreen::FrameEnd() {
+	//
+}
 
-	backButton.DrawTo(screen);
-	font.DrawStringTo(config["client.disconnectMessage"], screen, 50, 30);
+void DisconnectedScreen::RenderFrame(SDL_Renderer* renderer) {
+	backButton.DrawTo(renderer);
+	textLine.DrawTo(renderer);
 }
 
 //-------------------------
 //Event handlers
 //-------------------------
 
-void DisconnectedScreen::QuitEvent() {
-	SetNextScene(SceneList::QUIT);
+void DisconnectedScreen::MouseMotion(SDL_MouseMotionEvent const& event) {
+	backButton.MouseMotion(event);
 }
 
-void DisconnectedScreen::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	backButton.MouseMotion(motion);
+void DisconnectedScreen::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	backButton.MouseButtonDown(event);
 }
 
-void DisconnectedScreen::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	backButton.MouseButtonDown(button);
-}
-
-void DisconnectedScreen::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (backButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::MAINMENU);
+void DisconnectedScreen::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	if (backButton.MouseButtonUp(event) == Button::State::RELEASED) {
+		SetSceneSignal(SceneSignal::MAINMENU);
 	}
 }
 
-void DisconnectedScreen::KeyDown(SDL_KeyboardEvent const& key) {
-	switch(key.keysym.sym) {
+void DisconnectedScreen::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//
+}
+
+void DisconnectedScreen::KeyDown(SDL_KeyboardEvent const& event) {
+	switch(event.keysym.sym) {
 		case SDLK_ESCAPE:
-			SetNextScene(SceneList::MAINMENU);
+			SetSceneSignal(SceneSignal::MAINMENU);
 		break;
 	}
 }
 
-void DisconnectedScreen::KeyUp(SDL_KeyboardEvent const& key) {
+void DisconnectedScreen::KeyUp(SDL_KeyboardEvent const& event) {
 	//
 }

client/scenes/disconnected_screen.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,18 +19,15 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef DISCONNECTEDSCREEN_HPP_
-#define DISCONNECTEDSCREEN_HPP_
+#pragma once
 
-//graphics
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-
-//client
 #include "base_scene.hpp"
+#include "button.hpp"
+#include "image.hpp"
+#include "text_line.hpp"
+
+#include "SDL2/SDL_ttf.h"
 
-//std namespace
 #include <chrono>
 
 class DisconnectedScreen : public BaseScene {
@@ -39,28 +36,28 @@ public:
 	DisconnectedScreen();
 	~DisconnectedScreen();
 
-protected:
-	//Frame loop
-	void Update();
-	void Render(SDL_Surface* const);
+	void RenderFrame(SDL_Renderer* renderer) override;
 
-	//Event handlers
-	void QuitEvent();
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
+protected:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
 
 	//graphics
 	Image image;
-	RasterFont font;
-
-	//UI
+	TTF_Font* font = nullptr;
 	Button backButton;
+	TextLine textLine;
 
 	//auto return
 	std::chrono::steady_clock::time_point startTick;
 };
-
-#endif

client/scenes/in_world.cpp

@@ -1,757 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "in_world.hpp"
-
-#include "channels.hpp"
-#include "utility.hpp"
-
-#include "terminal_error.hpp"
-#include <stdexcept>
-#include <algorithm>
-#include <cmath>
-#include <iostream>
-#include <sstream>
-
-//-------------------------
-//these should've come standard
-//-------------------------
-
-bool operator==(IPaddress lhs, IPaddress rhs) {
-	return lhs.host == rhs.host && lhs.port == rhs.port;
-}
-
-bool operator!=(IPaddress lhs, IPaddress rhs) {
-	return !(lhs == rhs);
-}
-
-//-------------------------
-//Public access members
-//-------------------------
-
-InWorld::InWorld(int* const argClientIndex,	int* const argAccountIndex):
-	clientIndex(*argClientIndex),
-	accountIndex(*argAccountIndex)
-{
-	//setup the utility objects
-	buttonImage.LoadSurface(config["dir.interface"] + "button_menu.bmp");
-	buttonImage.SetClipH(buttonImage.GetClipH()/3);
-	font.LoadSurface(config["dir.fonts"] + "pk_white_8.bmp");
-
-	//pass the utility objects
-	disconnectButton.SetImage(&buttonImage);
-	disconnectButton.SetFont(&font);
-	shutDownButton.SetImage(&buttonImage);
-	shutDownButton.SetFont(&font);
-
-	//set the button positions
-	disconnectButton.SetX(50);
-	disconnectButton.SetY(50 + buttonImage.GetClipH() * 0);
-	shutDownButton.SetX(50);
-	shutDownButton.SetY(50 + buttonImage.GetClipH() * 1);
-
-	//set the button texts
-	disconnectButton.SetText("Disconnect");
-	shutDownButton.SetText("Shut Down");
-
-	//load the tilesheet
-	//TODO: add the tilesheet to the map system
-	//TODO: Tile size and tile sheet should be loaded elsewhere
-	tileSheet.Load(config["dir.tilesets"] + "overworld.bmp", 32, 32);
-
-	//Send the character data
-	//TODO: login scene, prompt, etc.
-	CharacterPacket newPacket;
-	newPacket.type = SerialPacketType::CHARACTER_LOAD;
-	strncpy(newPacket.handle, config["client.handle"].c_str(), PACKET_STRING_SIZE);
-	strncpy(newPacket.avatar, config["client.avatar"].c_str(), PACKET_STRING_SIZE);
-	newPacket.accountIndex = accountIndex;
-	network.SendTo(Channels::SERVER, &newPacket);
-
-	//query the world state
-	memset(&newPacket, 0, MAX_PACKET_SIZE);
-	newPacket.type = SerialPacketType::QUERY_CHARACTER_EXISTS;
-	network.SendTo(Channels::SERVER, &newPacket);
-
-	//set the camera's values
-	camera.width = GetScreen()->w;
-	camera.height = GetScreen()->h;
-
-	//debug
-	//
-}
-
-InWorld::~InWorld() {
-	//unload the local data
-	characterMap.clear();
-	monsterMap.clear();
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void InWorld::FrameStart() {
-	//
-}
-
-void InWorld::Update() {
-	//create and zero the buffer
-	SerialPacket* packetBuffer = reinterpret_cast<SerialPacket*>(new char[MAX_PACKET_SIZE]);
-	memset(packetBuffer, 0, MAX_PACKET_SIZE);
-
-	try {
-		//suck in and process all waiting packets
-		while(network.Receive(packetBuffer)) {
-			HandlePacket(packetBuffer);
-		}
-	}
-	catch(terminal_error& e) {
-		throw(e);
-	}
-	catch(std::exception& e) {
-		std::cerr << "HandlePacket Error: " << e.what() << std::endl;
-	}
-
-	//free the buffer
-	delete reinterpret_cast<char*>(packetBuffer);
-
-	//heartbeat system
-	CheckHeartBeat();
-
-	//update all entities
-	for (auto& it : characterMap) {
-		it.second.Update();
-	}
-	for (auto& it : monsterMap) {
-		it.second.Update();
-	}
-
-	//update the map
-	UpdateMap();
-
-	//skip the rest without a local character
-	if (!localCharacter) {
-		return;
-	}
-
-	//get the collidable boxes
-	std::list<BoundingBox> boxList = GenerateCollisionGrid(localCharacter, tileSheet.GetTileW(), tileSheet.GetTileH());
-
-	//process the collisions
-	if (localCharacter->ProcessCollisionGrid(boxList)) {
-		localCharacter->CorrectSprite();
-		SendLocalCharacterMotion();
-	}
-
-	//update the camera
-	camera.x = localCharacter->GetOrigin().x - camera.marginX;
-	camera.y = localCharacter->GetOrigin().y - camera.marginY;
-}
-
-void InWorld::FrameEnd() {
-	//
-}
-
-void InWorld::RenderFrame() {
-	SDL_FillRect(GetScreen(), 0, 0);
-	Render(GetScreen());
-	SDL_Flip(GetScreen());
-	fps.Calculate();
-}
-
-void InWorld::Render(SDL_Surface* const screen) {
-	//draw the map
-	for (std::list<Region>::iterator it = regionPager.GetContainer()->begin(); it != regionPager.GetContainer()->end(); it++) {
-		tileSheet.DrawRegionTo(screen, &(*it), camera.x, camera.y);
-	}
-
-	//draw the entities
-	for (auto& it : characterMap) {
-		//TODO: depth ordering
-		it.second.DrawTo(screen, camera.x, camera.y);
-	}
-	for (auto& it : monsterMap) {
-		//TODO: depth ordering
-		it.second.DrawTo(screen, camera.x, camera.y);
-	}
-
-	//draw UI
-	disconnectButton.DrawTo(screen);
-	shutDownButton.DrawTo(screen);
-	font.DrawStringTo(to_string_custom(fps.GetFrameRate()), screen, 0, 0);
-}
-
-//-------------------------
-//Event handlers
-//-------------------------
-
-void InWorld::QuitEvent() {
-	//two-step logout
-	SendDisconnectRequest();
-	SetNextScene(SceneList::QUIT);
-}
-
-void InWorld::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	disconnectButton.MouseMotion(motion);
-	shutDownButton.MouseMotion(motion);
-}
-
-void InWorld::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	disconnectButton.MouseButtonDown(button);
-	shutDownButton.MouseButtonDown(button);
-}
-
-void InWorld::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (disconnectButton.MouseButtonUp(button) == Button::State::HOVER && button.button == SDL_BUTTON_LEFT) {
-		SendLogoutRequest();
-	}
-	if (shutDownButton.MouseButtonUp(button) == Button::State::HOVER && button.button == SDL_BUTTON_LEFT) {
-		SendShutdownRequest();
-	}
-}
-
-void InWorld::KeyDown(SDL_KeyboardEvent const& key) {
-	//hotkeys
-	switch(key.keysym.sym) {
-		case SDLK_ESCAPE:
-			//TODO: the escape key should actually control menus and stuff
-			SendLogoutRequest();
-		return;
-	}
-
-	//character movement
-	if (!localCharacter) {
-		return;
-	}
-	Vector2 motion = localCharacter->GetMotion();
-	switch(key.keysym.sym) {
-		case SDLK_w:
-			motion.y -= CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_a:
-			motion.x -= CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_s:
-			motion.y += CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_d:
-			motion.x += CHARACTER_WALKING_SPEED;
-		break;
-		default:
-			//DOCS: prevents wrong keys screwing with character movement
-			return;
-	}
-	//handle diagonals
-	if (motion.x != 0 && motion.y != 0) {
-		motion *= CHARACTER_WALKING_MOD;
-	}
-	//set the info
-	localCharacter->SetMotion(motion);
-	localCharacter->CorrectSprite();
-	SendLocalCharacterMotion();
-}
-
-void InWorld::KeyUp(SDL_KeyboardEvent const& key) {
-	//character movement
-	if (!localCharacter) {
-		return;
-	}
-	Vector2 motion = localCharacter->GetMotion();
-	switch(key.keysym.sym) {
-		case SDLK_w:
-			motion.y = std::min(0.0, motion.y += CHARACTER_WALKING_SPEED);
-		break;
-		case SDLK_a:
-			motion.x = std::min(0.0, motion.x += CHARACTER_WALKING_SPEED);
-		break;
-		case SDLK_s:
-			motion.y = std::max(0.0, motion.y -= CHARACTER_WALKING_SPEED);
-		break;
-		case SDLK_d:
-			motion.x = std::max(0.0, motion.x -= CHARACTER_WALKING_SPEED);
-		break;
-		default:
-			//DOCS: prevents wrong keys screwing with character movement
-			return;
-	}
-	//BUGFIX: reset cardinal direction speed on key release
-	if (motion.x > 0) {
-		motion.x = CHARACTER_WALKING_SPEED;
-	}
-	else if (motion.x < 0) {
-		motion.x = -CHARACTER_WALKING_SPEED;
-	}
-	if (motion.y > 0) {
-		motion.y = CHARACTER_WALKING_SPEED;
-	}
-	else if (motion.y < 0) {
-		motion.y = -CHARACTER_WALKING_SPEED;
-	}
-	//handle diagonals
-	if (motion.x != 0 && motion.y != 0) {
-		motion *= CHARACTER_WALKING_MOD;
-	}
-	//set the info
-	localCharacter->SetMotion(motion);
-	localCharacter->CorrectSprite();
-	SendLocalCharacterMotion();
-}
-
-//-------------------------
-//Basic connections
-//-------------------------
-
-void InWorld::HandlePacket(SerialPacket* const argPacket) {
-	switch(argPacket->type) {
-		//heartbeat system
-		case SerialPacketType::PING:
-			HandlePing(static_cast<ServerPacket*>(argPacket));
-		break;
-		case SerialPacketType::PONG:
-			HandlePong(static_cast<ServerPacket*>(argPacket));
-		break;
-
-		//game server connections
-		case SerialPacketType::LOGOUT_RESPONSE:
-			HandleLogoutResponse(static_cast<ClientPacket*>(argPacket));
-		break;
-		case SerialPacketType::DISCONNECT_RESPONSE:
-			HandleDisconnectResponse(static_cast<ClientPacket*>(argPacket));
-		break;
-		case SerialPacketType::DISCONNECT_FORCED:
-			HandleDisconnectForced(static_cast<ClientPacket*>(argPacket));
-		break;
-
-		//map management
-		case SerialPacketType::REGION_CONTENT:
-			HandleRegionContent(static_cast<RegionPacket*>(argPacket));
-		break;
-
-		//character management
-		case SerialPacketType::CHARACTER_CREATE:
-			HandleCharacterCreate(static_cast<CharacterPacket*>(argPacket));
-		break;
-		case SerialPacketType::CHARACTER_DELETE:
-			HandleCharacterDelete(static_cast<CharacterPacket*>(argPacket));
-		break;
-		case SerialPacketType::QUERY_CHARACTER_EXISTS:
-			HandleCharacterQueryExists(static_cast<CharacterPacket*>(argPacket));
-		break;
-
-		//character movement
-		case SerialPacketType::CHARACTER_SET_ROOM:
-			HandleCharacterSetRoom(static_cast<CharacterPacket*>(argPacket));
-		break;
-		case SerialPacketType::CHARACTER_SET_ORIGIN:
-			HandleCharacterSetOrigin(static_cast<CharacterPacket*>(argPacket));
-		break;
-		case SerialPacketType::CHARACTER_SET_MOTION:
-			HandleCharacterSetMotion(static_cast<CharacterPacket*>(argPacket));
-		break;
-
-		//rejection messages
-		case SerialPacketType::REGION_REJECTION:
-		case SerialPacketType::CHARACTER_REJECTION:
-			throw(terminal_error(static_cast<TextPacket*>(argPacket)->text));
-		break;
-		case SerialPacketType::SHUTDOWN_REJECTION:
-			throw(std::runtime_error(static_cast<TextPacket*>(argPacket)->text));
-		break;
-
-		//errors
-		default: {
-			std::ostringstream msg;
-			msg << "Unknown SerialPacketType encountered in InWorld: " << static_cast<int>(argPacket->type);
-			throw(std::runtime_error(msg.str()));
-		}
-		break;
-	}
-}
-
-void InWorld::HandlePing(ServerPacket* const argPacket) {
-	ServerPacket newPacket;
-	newPacket.type = SerialPacketType::PONG;
-	network.SendTo(argPacket->srcAddress, &newPacket);
-}
-
-void InWorld::HandlePong(ServerPacket* const argPacket) {
-	if (*network.GetIPAddress(Channels::SERVER) != argPacket->srcAddress) {
-		throw(std::runtime_error("Heartbeat message received from an unknown source"));
-	}
-	attemptedBeats = 0;
-	lastBeat = Clock::now();
-}
-
-//-------------------------
-//Connection control
-//-------------------------
-
-void InWorld::SendLogoutRequest() {
-	ClientPacket newPacket;
-
-	//send a logout request
-	newPacket.type = SerialPacketType::LOGOUT_REQUEST;
-	newPacket.accountIndex = accountIndex;
-
-	network.SendTo(Channels::SERVER, &newPacket);
-}
-
-void InWorld::SendDisconnectRequest() {
-	ClientPacket newPacket;
-
-	//send a disconnect request
-	newPacket.type = SerialPacketType::DISCONNECT_REQUEST;
-	newPacket.clientIndex = clientIndex;
-
-	network.SendTo(Channels::SERVER, &newPacket);
-}
-
-void InWorld::SendShutdownRequest() {
-	ClientPacket newPacket;
-
-	//send a shutdown request
-	newPacket.type = SerialPacketType::SHUTDOWN_REQUEST;
-	newPacket.accountIndex = accountIndex;
-
-	network.SendTo(Channels::SERVER, &newPacket);
-}
-
-void InWorld::HandleLogoutResponse(ClientPacket* const argPacket) {
-	if (localCharacter) {
-		characterMap.erase(characterIndex);
-		localCharacter = nullptr;
-	}
-
-	accountIndex = -1;
-	characterIndex = -1;
-
-	//reset the camera
-	camera.marginX = camera.marginY = 0;
-
-	//because, why not? I guess...
-	SendDisconnectRequest();
-}
-
-void InWorld::HandleDisconnectResponse(ClientPacket* const argPacket) {
-	HandleLogoutResponse(argPacket);//shortcut
-	SetNextScene(SceneList::DISCONNECTEDSCREEN);
-	ConfigUtility::GetSingleton()["client.disconnectMessage"] = "You have successfully logged out";
-}
-
-void InWorld::HandleDisconnectForced(ClientPacket* const argPacket) {
-	HandleDisconnectResponse(argPacket);//shortcut
-	SetNextScene(SceneList::DISCONNECTEDSCREEN);
-	ConfigUtility::GetSingleton()["client.disconnectMessage"] = "You have been forcibly disconnected by the server";
-}
-
-void InWorld::CheckHeartBeat() {
-	//check the connection (heartbeat)
-	if (Clock::now() - lastBeat > std::chrono::seconds(3)) {
-		if (attemptedBeats > 2) {
-			//escape to the disconnect screen
-			SendDisconnectRequest();
-			SetNextScene(SceneList::DISCONNECTEDSCREEN);
-			ConfigUtility::GetSingleton()["client.disconnectMessage"] = "Error: Lost connection to the server";
-		}
-		else {
-			ServerPacket newPacket;
-			newPacket.type = SerialPacketType::PING;
-			network.SendTo(Channels::SERVER, &newPacket);
-
-			attemptedBeats++;
-			lastBeat = Clock::now();
-		}
-	}
-}
-
-//-------------------------
-//map management
-//-------------------------
-
-void InWorld::SendRegionRequest(int roomIndex, int x, int y) {
-	RegionPacket packet;
-
-	//pack the region's data
-	packet.type = SerialPacketType::REGION_REQUEST;
-	packet.roomIndex = roomIndex;
-	packet.x = x;
-	packet.y = y;
-
-	network.SendTo(Channels::SERVER, &packet);
-}
-
-void InWorld::HandleRegionContent(RegionPacket* const argPacket) {
-	//replace existing regions
-	regionPager.UnloadIf([&](Region const& region) -> bool {
-		return region.GetX() == argPacket->x && region.GetY() == argPacket->y;
-	});
-	regionPager.PushRegion(argPacket->region);
-
-	//clean up after the serial code
-	delete argPacket->region;
-	argPacket->region = nullptr;
-}
-
-void InWorld::UpdateMap() {
-	if (roomIndex == -1) {
-		return;
-	}
-
-	//these represent the zone of regions that the client needs loaded, including the mandatory buffers (+1/-1)
-	int xStart = snapToBase(REGION_WIDTH, camera.x/tileSheet.GetTileW()) - REGION_WIDTH;
-	int xEnd = snapToBase(REGION_WIDTH, (camera.x+camera.width)/tileSheet.GetTileW()) + REGION_WIDTH;
-
-	int yStart = snapToBase(REGION_HEIGHT, camera.y/tileSheet.GetTileH()) - REGION_HEIGHT;
-	int yEnd = snapToBase(REGION_HEIGHT, (camera.y+camera.height)/tileSheet.GetTileH()) + REGION_HEIGHT;
-
-	//prune distant regions
-	regionPager.GetContainer()->remove_if([&](Region const& region) -> bool {
-		return region.GetX() < xStart || region.GetX() > xEnd || region.GetY() < yStart || region.GetY() > yEnd;
-	});
-
-	//request empty regions within this zone
-	for (int i = xStart; i <= xEnd; i += REGION_WIDTH) {
-		for (int j = yStart; j <= yEnd; j += REGION_HEIGHT) {
-			if (!regionPager.FindRegion(i, j)) {
-				SendRegionRequest(roomIndex, i, j);
-			}
-		}
-	}
-}
-
-//-------------------------
-//entity management
-//-------------------------
-
-//DOCS: preexisting characters will result in query responses
-//DOCS: new characters will result in create messages
-//DOCS: this client's character will exist in both (skipped)
-
-void InWorld::HandleCharacterCreate(CharacterPacket* const argPacket) {
-	//prevent double message
-	if (characterMap.find(argPacket->characterIndex) != characterMap.end()) {
-		std::ostringstream msg;
-		msg << "Double character creation event; ";
-		msg << "Index: " << argPacket->characterIndex << "; ";
-		msg << "Handle: " << argPacket->handle;
-		throw(std::runtime_error(msg.str()));
-	}
-
-	//implicity create and retrieve the entity
-	BaseCharacter* character = &characterMap[argPacket->characterIndex];
-
-	//fill the character's info
-	character->SetOrigin(argPacket->origin);
-	character->SetMotion(argPacket->motion);
-	character->SetBounds({CHARACTER_BOUNDS_X, CHARACTER_BOUNDS_Y, CHARACTER_BOUNDS_WIDTH, CHARACTER_BOUNDS_HEIGHT});
-	character->SetHandle(argPacket->handle);
-	character->SetAvatar(argPacket->avatar);
-	character->SetOwner(argPacket->accountIndex);
-	character->CorrectSprite();
-
-	//check for this player's character
-	if (character->GetOwner() == accountIndex) {
-		localCharacter = static_cast<LocalCharacter*>(character);
-
-		//focus the camera on this character
-		camera.marginX = (camera.width / 2 - localCharacter->GetSprite()->GetImage()->GetClipW() / 2);
-		camera.marginY = (camera.height/ 2 - localCharacter->GetSprite()->GetImage()->GetClipH() / 2);
-
-		//focus on this character's info
-		characterIndex = argPacket->characterIndex;
-		roomIndex = argPacket->roomIndex;
-	}
-
-	//debug
-	std::cout << "Create, total: " << characterMap.size() << std::endl;
-}
-
-void InWorld::HandleCharacterDelete(CharacterPacket* const argPacket) {
-	//ignore if this character doesn't exist
-	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
-	if (characterIt == characterMap.end()) {
-		//debug
-		std::cout << "Ignoring character deletion" << std::endl;
-		return;
-	}
-
-	//check for this player's character
-	if ((*characterIt).second.GetOwner() == accountIndex) {
-		localCharacter = nullptr;
-
-		//clear the camera
-		camera.marginX = 0;
-		camera.marginY = 0;
-
-		//clear the room
-		roomIndex = -1;
-	}
-
-	//remove this character
-	characterMap.erase(characterIt);
-
-	//debug
-	std::cout << "Delete, total: " << characterMap.size() << std::endl;
-}
-
-void InWorld::HandleCharacterQueryExists(CharacterPacket* const argPacket) {
-	//prevent a double message about this player's character
-	if (argPacket->accountIndex == accountIndex) {
-		return;
-	}
-
-	//ignore characters in a different room (sub-optimal)
-	if (argPacket->roomIndex != roomIndex) {
-		return;
-	}
-
-	//implicitly construct the character if it doesn't exist
-	BaseCharacter* character = &characterMap[argPacket->characterIndex];
-
-	//set/update the character's info
-	character->SetOrigin(argPacket->origin);
-	character->SetMotion(argPacket->motion);
-	character->SetBounds({CHARACTER_BOUNDS_X, CHARACTER_BOUNDS_Y, CHARACTER_BOUNDS_WIDTH, CHARACTER_BOUNDS_HEIGHT});
-	character->SetHandle(argPacket->handle);
-	character->SetAvatar(argPacket->avatar);
-	character->SetOwner(argPacket->accountIndex);
-	character->CorrectSprite();
-
-	//debug
-	std::cout << "Query, total: " << characterMap.size() << std::endl;
-}
-
-void InWorld::HandleCharacterSetRoom(CharacterPacket* const argPacket) {
-	//someone else's character
-	if (argPacket->characterIndex != characterIndex) {
-		characterMap.erase(argPacket->characterIndex);
-		return;
-	}
-
-	//this character is moving between rooms
-	roomIndex = argPacket->roomIndex;
-
-	//set the character's info
-	localCharacter->SetOrigin(argPacket->origin);
-	localCharacter->SetMotion(argPacket->motion);
-	localCharacter->CorrectSprite();
-
-	//clear the old room's data
-	regionPager.UnloadAll();
-	monsterMap.clear();
-
-	//use the jenky pattern for std::map to skip this player's character
-	for (std::map<int, BaseCharacter>::iterator it = characterMap.begin(); it != characterMap.end(); /* EMPTY */ ) {
-		if (it->first != characterIndex) {
-			it = characterMap.erase(it);
-		}
-		else {
-			++it;
-		}
-	}
-
-	//request the info on characters in this room
-	CharacterPacket newPacket;
-	newPacket.type = SerialPacketType::QUERY_CHARACTER_EXISTS;
-	newPacket.roomIndex = roomIndex;
-	network.SendTo(Channels::SERVER, &newPacket);
-}
-
-void InWorld::HandleCharacterSetOrigin(CharacterPacket* const argPacket) {
-	//TODO: Authentication
-	if (argPacket->characterIndex == characterIndex) {
-		return;
-	}
-
-	//check that this character exists
-	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
-	if (characterIt != characterMap.end()) {
-		//set the origin and motion
-		characterIt->second.SetOrigin(argPacket->origin);
-		characterIt->second.SetMotion(argPacket->motion);
-		characterIt->second.CorrectSprite();
-	}
-}
-
-void InWorld::HandleCharacterSetMotion(CharacterPacket* const argPacket) {
-	//TODO: Authentication
-	if (argPacket->characterIndex == characterIndex) {
-		return;
-	}
-
-	//check that this character exists
-	std::map<int, BaseCharacter>::iterator characterIt = characterMap.find(argPacket->characterIndex);
-	if (characterIt != characterMap.end()) {
-		//set the origin and motion
-		characterIt->second.SetOrigin(argPacket->origin);
-		characterIt->second.SetMotion(argPacket->motion);
-		characterIt->second.CorrectSprite();
-	}
-}
-
-//-------------------------
-//player movement
-//-------------------------
-
-//TODO: add a "movement" packet type
-void InWorld::SendLocalCharacterMotion() {
-	CharacterPacket newPacket;
-	newPacket.type = SerialPacketType::CHARACTER_SET_MOTION;
-
-	newPacket.accountIndex = accountIndex;
-	newPacket.characterIndex = characterIndex;
-	newPacket.roomIndex = roomIndex;
-	newPacket.origin = localCharacter->GetOrigin();
-	newPacket.motion = localCharacter->GetMotion();
-
-	network.SendTo(Channels::SERVER, &newPacket);
-}
-
-std::list<BoundingBox> InWorld::GenerateCollisionGrid(Entity* ptr, int tileWidth, int tileHeight) {
-	//prepare for collisions
-	BoundingBox wallBounds = {0, 0, tileWidth, tileHeight};
-	std::list<BoundingBox> boxList;
-
-	//NOTE: for loops were too dense to work with, so I've just used while loops
-
-	//outer loop
-	wallBounds.x = snapToBase((double)wallBounds.w, ptr->GetOrigin().x);
-	while(wallBounds.x < (ptr->GetOrigin() + ptr->GetBounds()).x + ptr->GetBounds().w) {
-		//inner loop
-		wallBounds.y = snapToBase((double)wallBounds.h, ptr->GetOrigin().y);
-		while(wallBounds.y < (ptr->GetOrigin() + ptr->GetBounds()).y + ptr->GetBounds().h) {
-			//check to see if this tile is solid
-			if (regionPager.GetSolid(wallBounds.x / wallBounds.w, wallBounds.y / wallBounds.h)) {
-				//push onto the box set
-				boxList.push_front(wallBounds);
-			}
-
-			//increment
-			wallBounds.y += wallBounds.h;
-		}
-
-		//increment
-		wallBounds.x += wallBounds.w;
-	}
-
-	return std::move(boxList);
-}

client/scenes/in_world.hpp

@@ -1,149 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef INWORLD_HPP_
-#define INWORLD_HPP_
-
-//maps
-#include "region_pager_base.hpp"
-
-//utilities
-#include "udp_network_utility.hpp"
-#include "serial_packet.hpp"
-#include "config_utility.hpp"
-
-//graphics
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-#include "tile_sheet.hpp"
-
-//common
-#include "frame_rate.hpp"
-
-//client
-#include "base_scene.hpp"
-#include "base_monster.hpp"
-#include "local_character.hpp"
-
-//STL
-#include <map>
-
-#include <chrono>
-
-class InWorld : public BaseScene {
-public:
-	//Public access members
-	InWorld(int* const argClientIndex, int* const argAccountIndex);
-	~InWorld();
-
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update();
-	void FrameEnd();
-	void RenderFrame();
-	void Render(SDL_Surface* const);
-
-	//Event handlers
-	void QuitEvent();
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
-
-	//Basic connections
-	void HandlePacket(SerialPacket* const);
-	void HandlePing(ServerPacket* const);
-	void HandlePong(ServerPacket* const);
-
-	//Connection control
-	void SendLogoutRequest();
-	void SendDisconnectRequest();
-	void SendShutdownRequest();
-
-	void HandleLogoutResponse(ClientPacket* const);
-	void HandleDisconnectResponse(ClientPacket* const);
-	void HandleDisconnectForced(ClientPacket* const);
-
-	void CheckHeartBeat();
-
-	//map management
-	void SendRegionRequest(int roomIndex, int x, int y);
-	void HandleRegionContent(RegionPacket* const);
-	void UpdateMap();
-
-	//character management
-	void HandleCharacterCreate(CharacterPacket* const);
-	void HandleCharacterDelete(CharacterPacket* const);
-	void HandleCharacterQueryExists(CharacterPacket* const);
-	void HandleCharacterSetRoom(CharacterPacket* const);
-	void HandleCharacterSetOrigin(CharacterPacket* const);
-	void HandleCharacterSetMotion(CharacterPacket* const);
-
-	//player movement
-	void SendLocalCharacterMotion();
-	std::list<BoundingBox> GenerateCollisionGrid(Entity*, int tileWidth, int tileHeight);
-
-	//indexes
-	int& clientIndex;
-	int& accountIndex;
-	int characterIndex = -1;
-	int roomIndex = -1;
-
-	//graphics
-	Image buttonImage;
-	RasterFont font;
-	TileSheet tileSheet;
-
-	//map
-	RegionPagerBase regionPager;
-
-	//UI
-	Button disconnectButton;
-	Button shutDownButton;
-	FrameRate fps;
-
-	//the camera structure
-	struct {
-		int x = 0, y = 0;
-		int width = 0, height = 0;
-		int marginX = 0, marginY = 0;
-	} camera;
-
-	//entities
-	std::map<int, BaseCharacter> characterMap;
-	std::map<int, BaseMonster> monsterMap;
-	LocalCharacter* localCharacter = nullptr;
-
-	//heartbeat
-	//TODO: Heartbeat needs it's own utility
-	typedef std::chrono::steady_clock Clock;
-	Clock::time_point lastBeat = Clock::now();
-	int attemptedBeats = 0;
-
-	//ugly references; I hate this
-	ConfigUtility& config = ConfigUtility::GetSingleton();
-	UDPNetworkUtility& network = UDPNetworkUtility::GetSingleton();
-};
-
-#endif

client/scenes/lobby_menu.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -22,9 +22,12 @@
 #include "lobby_menu.hpp"
 
 #include "channels.hpp"
-#include "utility.hpp"
 
+#include <cstring>
 #include <stdexcept>
+#include <sstream>
+
+constexpr SDL_Color WHITE = {255, 255, 255, 255};
 
 //-------------------------
 //Public access members
@@ -39,33 +42,38 @@ LobbyMenu::LobbyMenu(int* const argClientIndex, int* const argAccountIndex):
 	accountIndex = -1;
 
 	//setup the utility objects
-	image.LoadSurface(config["dir.interface"] + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(config["dir.fonts"] + "pk_white_8.bmp");
+	buttonImage.Load(GetRenderer(), config["dir.interface"] + "button_blue.png");
+	font = TTF_OpenFont(config["client.font"].c_str(), 12);
 
-	//pass the utility objects
-	search.SetImage(&image);
-	search.SetFont(&font);
-	join.SetImage(&image);
-	join.SetFont(&font);
-	back.SetImage(&image);
-	back.SetFont(&font);
+	//check that the font loaded
+	if (!font) {
+		std::ostringstream msg;
+		msg << "Failed to load a font file; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
 
-	//set the button positions
-	search.SetX(50);
-	search.SetY(50 + image.GetClipH() * 0);
-	join.SetX(50);
-	join.SetY(50 + image.GetClipH() * 1);
-	back.SetX(50);
-	back.SetY(50 + image.GetClipH() * 2);
+	//setup the buttons
+	searchButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	searchButton.SetText(GetRenderer(), font, WHITE, "Search");
+	joinButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	joinButton.SetText(GetRenderer(), font, WHITE, "Join");
+	backButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	backButton.SetText(GetRenderer(), font, WHITE, "Back");
 
-	//set the button texts
-	search.SetText("Search");
-	join.SetText("Join");
-	back.SetText("Back");
+	//set the button positions (assumed)
+	searchButton.SetX(50);
+	searchButton.SetY(50);
+	joinButton.SetX(50);
+	joinButton.SetY(70);
+	backButton.SetX(50);
+	backButton.SetY(90);
 
-	//set the server list's position
-	listBox = {300, 50, 200, font.GetCharH()};
+	//pseudo-list selection
+	//TODO: move this into the UI library?
+	boundingBox = {300, 50, 200, 12};
+
+	//hacked together a highlight box
+	highlightImage.Create(GetRenderer(), 300, 12, {49, 150, 5, 255});
 
 	//Eat incoming packets
 	while(network.Receive());
@@ -75,7 +83,7 @@ LobbyMenu::LobbyMenu(int* const argClientIndex, int* const argAccountIndex):
 }
 
 LobbyMenu::~LobbyMenu() {
-	//
+	TTF_CloseFont(font);
 }
 
 //-------------------------
@@ -99,38 +107,30 @@ void LobbyMenu::FrameEnd() {
 	//
 }
 
-void LobbyMenu::Render(SDL_Surface* const screen) {
-	//TODO: I need a proper UI system for the entire client and the editor
+void LobbyMenu::RenderFrame(SDL_Renderer* renderer) {
+	//TODO: (2) I need a proper UI system for the entire client and the editor
 
 	//UI
-	search.DrawTo(screen);
-	join.DrawTo(screen);
-	back.DrawTo(screen);
+	searchButton.DrawTo(renderer);
+	joinButton.DrawTo(renderer);
+	backButton.DrawTo(renderer);
 
-	//TODO: draw headers for the server list
-	for (int i = 0; i < serverInfo.size(); i++) {
+	//TODO: (3) draw headers for the server list
+	//TODO: (3) ping/delay displayed in the server list
+	for (int i = 0; i < serverVector.size(); i++) {
 		//draw the selected server's highlight
-		if (selection == &serverInfo[i]) {
-			SDL_Rect r = {
-				(Sint16)listBox.x, (Sint16)listBox.y,
-				(Uint16)listBox.w, (Uint16)listBox.h
-			};
-			r.y += i * listBox.h;
-			SDL_FillRect(screen, &r, SDL_MapRGB(screen->format, 49, 150, 5));
+		if (selection == &serverVector[i]) {
+			highlightImage.DrawTo(renderer, boundingBox.x, boundingBox.y + boundingBox.h * i);
 		}
 
-		//draw the server name
-		font.DrawStringTo(serverInfo[i].name, screen, listBox.x, listBox.y + i*listBox.h);
+		//draw the server's info
+		serverVector[i].nameImage.SetX(boundingBox.x);
+		serverVector[i].nameImage.SetY(boundingBox.y + boundingBox.h * i);
+		serverVector[i].nameImage.DrawTo(renderer);
 
-		//draw the player count
-		font.DrawStringTo(to_string_custom(serverInfo[i].playerCount), screen, listBox.x + listBox.w, listBox.y + i*listBox.h);
-
-		//compatible?
-		if (!serverInfo[i].compatible) {
-			font.DrawStringTo("?", screen, listBox.x - font.GetCharW(), listBox.y + i*listBox.h);
-		}
-
-		//TODO: ping/delay?
+		serverVector[i].playerCountImage.SetX(boundingBox.x+276);
+		serverVector[i].playerCountImage.SetY(boundingBox.y + boundingBox.h * i);
+		serverVector[i].playerCountImage.DrawTo(renderer);
 	}
 }
 
@@ -138,49 +138,54 @@ void LobbyMenu::Render(SDL_Surface* const screen) {
 //Event handlers
 //-------------------------
 
-void LobbyMenu::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	search.MouseMotion(motion);
-	join.MouseMotion(motion);
-	back.MouseMotion(motion);
+void LobbyMenu::MouseMotion(SDL_MouseMotionEvent const& event) {
+	searchButton.MouseMotion(event);
+	joinButton.MouseMotion(event);
+	backButton.MouseMotion(event);
 }
 
-void LobbyMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	search.MouseButtonDown(button);
-	join.MouseButtonDown(button);
-	back.MouseButtonDown(button);
+void LobbyMenu::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	searchButton.MouseButtonDown(event);
+	joinButton.MouseButtonDown(event);
+	backButton.MouseButtonDown(event);
 }
 
-void LobbyMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (search.MouseButtonUp(button) == Button::State::HOVER) {
+void LobbyMenu::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	if (searchButton.MouseButtonUp(event) == Button::State::RELEASED) {
 		SendBroadcastRequest();
 	}
-	else if (join.MouseButtonUp(button) == Button::State::HOVER && selection != nullptr && selection->compatible) {
+	if (joinButton.MouseButtonUp(event) == Button::State::RELEASED && selection && selection->compatible) {
 		SendJoinRequest();
 	}
-	else if (back.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::MAINMENU);
+	if (backButton.MouseButtonUp(event) == Button::State::RELEASED) {
+		SetSceneSignal(SceneSignal::MAINMENU);
 	}
 
 	//has the user selected a server on the list?
-	BoundingBox tmpBox = listBox;
-	tmpBox.h *= serverInfo.size();
-	if (tmpBox.CheckOverlap({button.x, button.y})) {
-		selection = &serverInfo[(button.y - listBox.y)/listBox.h];
+	BoundingBox tmpBox = boundingBox;
+	tmpBox.h *= serverVector.size(); //within the list bounds
+	if (tmpBox.CheckOverlap({event.x, event.y})) {
+		//NOTE: this memory trick requires a vector
+		selection = &serverVector[(event.y - boundingBox.y)/boundingBox.h];
 	}
 	else {
 		selection = nullptr;
 	}
 }
 
-void LobbyMenu::KeyDown(SDL_KeyboardEvent const& key) {
-	switch(key.keysym.sym) {
+void LobbyMenu::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//
+}
+
+void LobbyMenu::KeyDown(SDL_KeyboardEvent const& event) {
+	switch(event.keysym.sym) {
 		case SDLK_ESCAPE:
-			SetNextScene(SceneList::MAINMENU);
+			SetSceneSignal(SceneSignal::MAINMENU);
 		break;
 	}
 }
 
-void LobbyMenu::KeyUp(SDL_KeyboardEvent const& key) {
+void LobbyMenu::KeyUp(SDL_KeyboardEvent const& event) {
 	//
 }
 
@@ -210,25 +215,49 @@ void LobbyMenu::HandlePacket(SerialPacket* const argPacket) {
 		break;
 
 		//handle errors
-		default:
-			throw(std::runtime_error(std::string() + "Unknown SerialPacketType encountered in LobbyMenu: " + to_string_custom(static_cast<int>(argPacket->type)) ));
+		default: {
+			std::ostringstream msg;
+			msg << "Unknown SerialPacketType encountered in LobbyMenu: " << static_cast<int>(argPacket->type);
+			throw(std::runtime_error( msg.str() ));
+		}
 		break;
 	}
 }
 
 void LobbyMenu::HandleBroadcastResponse(ServerPacket* const argPacket) {
 	//extract the data
-	ServerInformation server;
-	server.address = argPacket->srcAddress;
-	server.name = argPacket->name;
-	server.playerCount = argPacket->playerCount;
-	server.version = argPacket->version;
+	ServerInfo newServer;
 
-	//Checking compatibility
-	server.compatible = server.version == NETWORK_VERSION;
+	newServer.address = argPacket->srcAddress;
+	newServer.name = argPacket->name;
+	newServer.playerCount = argPacket->playerCount;
+	newServer.version = argPacket->version;
+	newServer.compatible = newServer.version == NETWORK_VERSION;
 
 	//push
-	serverInfo.push_back(server);
+	serverVector.push_back(newServer);
+
+	//BUGFIX: since TextLine lacks the memory management of Image, I'll wait until after the line is in the vector to handle these
+
+	//fancy colors
+	SDL_Color color;
+	if (newServer.compatible) {
+		color = {255, 255, 255, 255};
+	}
+	else {
+		color = {255, 0, 0, 255};
+	}
+
+	//fancy itoa
+	auto itoa_base10 = [](int i) -> std::string {
+		char str[20];
+		sprintf(str, "%d", i);
+		return std::string(str);
+	};
+
+	//text graphics
+	serverVector.back().nameImage.SetText(GetRenderer(), font, color, newServer.name);
+	serverVector.back().playerCountImage.SetText(GetRenderer(), font, color, itoa_base10(newServer.playerCount));
 }
 
 void LobbyMenu::HandleJoinResponse(ClientPacket* const argPacket) {
@@ -245,15 +274,15 @@ void LobbyMenu::HandleLoginResponse(ClientPacket* const argPacket) {
 		throw(std::runtime_error("Client index invalid during login"));
 	}
 	accountIndex = argPacket->accountIndex;
-	SetNextScene(SceneList::INWORLD);
+	SetSceneSignal(SceneSignal::WORLD);
 }
 
 void LobbyMenu::HandleJoinRejection(TextPacket* const argPacket) {
-	//TODO: Better output for join rejection
+	//TODO: (9) LobbyMenu::HandleJoinRejection()
 }
 
 void LobbyMenu::HandleLoginRejection(TextPacket* const argPacket) {
-	//TODO: Better output for login rejection
+	//TODO: (9) LobbyMenu::HandleLoginRejection
 }
 
 //-------------------------
@@ -267,7 +296,7 @@ void LobbyMenu::SendBroadcastRequest() {
 		network.SendTo(config["server.host"].c_str(), config.Int("server.port"), &packet);
 
 		//reset the server list
-		serverInfo.clear();
+		serverVector.clear();
 		selection = nullptr;
 }
 
@@ -283,10 +312,11 @@ void LobbyMenu::SendJoinRequest() {
 
 void LobbyMenu::SendLoginRequest() {
 	//NOTE: high cohesion
+	//TODO: (9) have a separate login screen
 	ClientPacket packet;
 	packet.type = SerialPacketType::LOGIN_REQUEST;
 	packet.clientIndex = clientIndex;
-	strncpy(packet.username, config["client.username"].c_str(), PACKET_STRING_SIZE);
+	strncpy(packet.username, config["client.username"].c_str(), PACKET_STRING_SIZE+1);
 
 	network.SendTo(Channels::SERVER, &packet);
 }

client/scenes/lobby_menu.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,14 +19,15 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef LOBBYMENU_HPP_
-#define LOBBYMENU_HPP_
+#pragma once
 
 //graphics & ui
 #include "image.hpp"
-#include "raster_font.hpp"
 #include "button.hpp"
 #include "bounding_box.hpp"
+#include "text_line.hpp"
+
+#include "SDL2/SDL_ttf.h"
 
 //utilities
 #include "config_utility.hpp"
@@ -45,19 +46,21 @@ public:
 	LobbyMenu(int* const argClientIndex, int* const argAccountIndex);
 	~LobbyMenu();
 
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update();
-	void FrameEnd();
-	void Render(SDL_Surface* const);
+	void RenderFrame(SDL_Renderer* renderer) override;
 
-	//Event handlers
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
+protected:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
 
 	//Network handlers
 	void HandlePacket(SerialPacket* const);
@@ -78,15 +81,13 @@ protected:
 	int& clientIndex;
 	int& accountIndex;
 
-	//members
-	Image image;
-	RasterFont font;
-	Button search;
-	Button join;
-	Button back;
+	//define the list object
+	struct ServerInfo {
+		//graphics
+		TextLine nameImage;
+		TextLine playerCountImage;
 
-	//server list
-	struct ServerInformation {
+		//networking
 		IPaddress address;
 		std::string name;
 		int playerCount;
@@ -94,12 +95,16 @@ protected:
 		bool compatible;
 	};
 
-	std::vector<ServerInformation> serverInfo;
+	//members
+	Image buttonImage;
+	Image highlightImage;
+	TTF_Font* font = nullptr;
+	Button searchButton;
+	Button joinButton;
+	Button backButton;
 
-	//NOTE: a terrible hack
-	//I'd love a proper gui system for this
-	BoundingBox listBox;
-	ServerInformation* selection = nullptr;
+	std::vector<ServerInfo> serverVector;
+	ServerInfo* selection = nullptr;
+
+	BoundingBox boundingBox;
 };
-
-#endif

client/scenes/main_menu.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -23,6 +23,11 @@
 
 #include "config_utility.hpp"
 
+#include <sstream>
+#include <stdexcept>
+
+constexpr SDL_Color WHITE = {255, 255, 255, 255};
+
 //-------------------------
 //Public access members
 //-------------------------
@@ -31,37 +36,49 @@ MainMenu::MainMenu() {
 	ConfigUtility& config = ConfigUtility::GetSingleton();
 
 	//setup the utility objects
-	image.LoadSurface(config["dir.interface"] + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(config["dir.fonts"] + "pk_white_8.bmp");
+	buttonImage.Load(GetRenderer(), config["dir.interface"] + "button_blue.png");
+	font = TTF_OpenFont(config["client.font"].c_str(), 12);
 
-	//pass the utility objects
-	startButton.SetImage(&image);
-	startButton.SetFont(&font);
-	optionsButton.SetImage(&image);
-	optionsButton.SetFont(&font);
-	quitButton.SetImage(&image);
-	quitButton.SetFont(&font);
+	//check that the font loaded
+	if (!font) {
+		std::ostringstream msg;
+		msg << "Failed to load a font file; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//setup the buttons
+	startButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	startButton.SetText(GetRenderer(), font, WHITE, "Start");
+	optionsButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	optionsButton.SetText(GetRenderer(), font, WHITE, "Options");
+	quitButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	quitButton.SetText(GetRenderer(), font, WHITE, "Quit");
 
 	//set the button positions
 	startButton.SetX(50);
-	startButton.SetY(50 + image.GetClipH() * 0);
+	startButton.SetY(50 + 20 * 0);
 	optionsButton.SetX(50);
-	optionsButton.SetY(50 + image.GetClipH() * 1);
+	optionsButton.SetY(50 + 20 * 1);
 	quitButton.SetX(50);
-	quitButton.SetY(50 + image.GetClipH() * 2);
+	quitButton.SetY(50 + 20 * 2);
 
-	//set the button texts
-	startButton.SetText("Start");
-	optionsButton.SetText("Options");
-	quitButton.SetText("Quit");
+	//text box
+	int h = -1;
+	SDL_RenderGetLogicalSize(GetRenderer(), nullptr, &h);
+
+	textBox.SetX(50);
+	textBox.SetY(h-100);
+
+	textBox.PushLine(GetRenderer(), font, WHITE, "Thanks for playing!");
+	textBox.PushLine(GetRenderer(), font, WHITE, "You can get the latest version at: ");
+	textBox.PushLine(GetRenderer(), font, WHITE, "krgamestudios.com"); //TODO: (9) click to open the website/update
 
 	//debug
 	//
 }
 
 MainMenu::~MainMenu() {
-	//
+	TTF_CloseFont(font);
 }
 
 //-------------------------
@@ -80,45 +97,54 @@ void MainMenu::FrameEnd() {
 	//
 }
 
-void MainMenu::Render(SDL_Surface* const screen) {
-	startButton.DrawTo(screen);
-	optionsButton.DrawTo(screen);
-	quitButton.DrawTo(screen);
+void MainMenu::RenderFrame(SDL_Renderer* renderer) {
+	startButton.DrawTo(renderer);
+	optionsButton.DrawTo(renderer);
+	quitButton.DrawTo(renderer);
+	textBox.DrawTo(renderer);
 }
 
 //-------------------------
 //Event handlers
 //-------------------------
 
-void MainMenu::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	startButton.MouseMotion(motion);
-	optionsButton.MouseMotion(motion);
-	quitButton.MouseMotion(motion);
+void MainMenu::MouseMotion(SDL_MouseMotionEvent const& event) {
+	startButton.MouseMotion(event);
+	optionsButton.MouseMotion(event);
+	quitButton.MouseMotion(event);
 }
 
-void MainMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	startButton.MouseButtonDown(button);
-	optionsButton.MouseButtonDown(button);
-	quitButton.MouseButtonDown(button);
+void MainMenu::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	startButton.MouseButtonDown(event);
+	optionsButton.MouseButtonDown(event);
+	quitButton.MouseButtonDown(event);
 }
 
-void MainMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	//TODO: Buttons should only register as "selected" when the left button is used
-	if (startButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::LOBBYMENU);
+void MainMenu::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//TODO: (2) Buttons should only register as "selected" when the left button is used
+	if (startButton.MouseButtonUp(event) == Button::State::RELEASED) {
+		SetSceneSignal(SceneSignal::LOBBYMENU);
 	}
-	if (optionsButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::OPTIONSMENU);
+	if (optionsButton.MouseButtonUp(event) == Button::State::RELEASED) {
+		SetSceneSignal(SceneSignal::OPTIONSMENU);
 	}
-	if (quitButton.MouseButtonUp(button) == Button::State::HOVER) {
+	if (quitButton.MouseButtonUp(event) == Button::State::RELEASED) {
 		QuitEvent();
 	}
 }
 
-void MainMenu::KeyDown(SDL_KeyboardEvent const& key) {
+void MainMenu::MouseWheel(SDL_MouseWheelEvent const& event) {
 	//
 }
 
-void MainMenu::KeyUp(SDL_KeyboardEvent const& key) {
+void MainMenu::KeyDown(SDL_KeyboardEvent const& event) {
 	//
 }
+
+void MainMenu::KeyUp(SDL_KeyboardEvent const& event) {
+	switch(event.keysym.sym) {
+		case SDLK_ESCAPE:
+			QuitEvent();
+		break;
+	}
+}

client/scenes/main_menu.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,14 +19,14 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef MAINMENU_HPP_
-#define MAINMENU_HPP_
+#pragma once
 
 #include "base_scene.hpp"
-
-#include "image.hpp"
-#include "raster_font.hpp"
 #include "button.hpp"
+#include "image.hpp"
+#include "text_box.hpp"
+
+#include "SDL2/SDL_ttf.h"
 
 class MainMenu : public BaseScene {
 public:
@@ -34,26 +34,27 @@ public:
 	MainMenu();
 	~MainMenu();
 
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update();
-	void FrameEnd();
-	void Render(SDL_Surface* const);
+	void RenderFrame(SDL_Renderer* renderer) override;
 
-	//Event handlers
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
+protected:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
 
 	//members
-	Image image;
-	RasterFont font;
+	Image buttonImage;
+	TTF_Font* font = nullptr;
 	Button startButton;
 	Button optionsButton;
 	Button quitButton;
+	TextBox textBox;
 };
-
-#endif

client/scenes/makefile

@@ -30,8 +30,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

client/scenes/options_menu.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -23,6 +23,11 @@
 
 #include "config_utility.hpp"
 
+#include <sstream>
+#include <stdexcept>
+
+constexpr SDL_Color WHITE = {255, 255, 255, 255};
+
 //-------------------------
 //Public access members
 //-------------------------
@@ -31,24 +36,32 @@ OptionsMenu::OptionsMenu() {
 	ConfigUtility& config = ConfigUtility::GetSingleton();
 
 	//setup the utility objects
-	image.LoadSurface(config["dir.interface"] + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(config["dir.fonts"] + "pk_white_8.bmp");
+	buttonImage.Load(GetRenderer(), config["dir.interface"] + "button_blue.png");
+	font = TTF_OpenFont(config["client.font"].c_str(), 12);
 
-	//pass the utility objects
-	backButton.SetImage(&image);
-	backButton.SetFont(&font);
+	//check that the font loaded
+	if (!font) {
+		std::ostringstream msg;
+		msg << "Failed to load a font file; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//setup the button
+	backButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
+	backButton.SetText(GetRenderer(), font, WHITE, "Back");
 
 	//set the button positions
 	backButton.SetX(50);
-	backButton.SetY(50 + image.GetClipH() * 0);
+	backButton.SetY(50);
 
-	//set the button texts
-	backButton.SetText("Back");
+	//text line
+	textLine.SetX(50);
+	textLine.SetY(30);
+	textLine.SetText(GetRenderer(), font, WHITE, "Am I making any progress?");
 }
 
 OptionsMenu::~OptionsMenu() {
-	//
+	TTF_CloseFont(font);
 }
 
 //-------------------------
@@ -67,38 +80,41 @@ void OptionsMenu::FrameEnd() {
 	//
 }
 
-void OptionsMenu::Render(SDL_Surface* const screen) {
-	backButton.DrawTo(screen);
-
-	font.DrawStringTo("Oh, were you looking for the options screen?", screen, 50, 30);
+void OptionsMenu::RenderFrame(SDL_Renderer* renderer) {
+	backButton.DrawTo(renderer);
+	textLine.DrawTo(renderer);
 }
 
 //-------------------------
 //Event handlers
 //-------------------------
 
-void OptionsMenu::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	backButton.MouseMotion(motion);
+void OptionsMenu::MouseMotion(SDL_MouseMotionEvent const& event) {
+	backButton.MouseMotion(event);
 }
 
-void OptionsMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	backButton.MouseButtonDown(button);
+void OptionsMenu::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	backButton.MouseButtonDown(event);
 }
 
-void OptionsMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (backButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::MAINMENU);
+void OptionsMenu::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	if (backButton.MouseButtonUp(event) == Button::State::RELEASED) {
+		SetSceneSignal(SceneSignal::MAINMENU);
 	}
 }
 
-void OptionsMenu::KeyDown(SDL_KeyboardEvent const& key) {
-	switch(key.keysym.sym) {
+void OptionsMenu::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//
+}
+
+void OptionsMenu::KeyDown(SDL_KeyboardEvent const& event) {
+	switch(event.keysym.sym) {
 		case SDLK_ESCAPE:
-			SetNextScene(SceneList::MAINMENU);
+			SetSceneSignal(SceneSignal::MAINMENU);
 		break;
 	}
 }
 
-void OptionsMenu::KeyUp(SDL_KeyboardEvent const& key) {
+void OptionsMenu::KeyUp(SDL_KeyboardEvent const& event) {
 	//
 }

client/scenes/options_menu.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,40 +19,40 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef OPTIONSMENU_HPP_
-#define OPTIONSMENU_HPP_
+#pragma once
+
+#include "button.hpp"
+#include "image.hpp"
+#include "text_line.hpp"
 
 #include "base_scene.hpp"
 
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-
-//TODO: The options screen needs to be USED
+//NOTE: The options screen needs to be USED
 class OptionsMenu : public BaseScene {
 public:
 	//Public access members
 	OptionsMenu();
 	~OptionsMenu();
 
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update();
-	void FrameEnd();
-	void Render(SDL_Surface* const);
+	void RenderFrame(SDL_Renderer* renderer) override;
 
-	//Event handlers
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
+private:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
 
 	//members
-	Image image;
-	RasterFont font;
+	Image buttonImage;
+	TTF_Font* font = nullptr;
 	Button backButton;
+	TextLine textLine;
 };
-
-#endif

client/scenes/splash_screen.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -27,8 +27,14 @@
 //Public access members
 //-------------------------
 
-SplashScreen::SplashScreen() {
-	logo.LoadSurface(ConfigUtility::GetSingleton()["dir.logos"] + "krstudios.bmp");
+SplashScreen::SplashScreen(SDL_Window* w) {
+	//fit the screen to the logo
+	//NOTE: not using this window trick
+	window = w;
+	SDL_GetWindowSize(window, &windowWidth, &windowHeight);
+
+	logo.Load(GetRenderer(), ConfigUtility::GetSingleton()["dir.logos"] + "krstudios.png");
+
 	startTick = std::chrono::steady_clock::now();
 }
 
@@ -40,12 +46,16 @@ SplashScreen::~SplashScreen() {
 //Frame loop
 //-------------------------
 
-void SplashScreen::Update() {
-	if (std::chrono::steady_clock::now() - startTick > std::chrono::duration<int>(1)) {
-		SetNextScene(SceneList::MAINMENU);
+void SplashScreen::FrameStart() {
+	//TODO: (0) config flag to change the delay
+	if (std::chrono::steady_clock::now() - startTick > std::chrono::duration<int>(3)) {
+		SetSceneSignal(SceneSignal::MAINMENU);
 	}
 }
 
-void SplashScreen::Render(SDL_Surface* const screen) {
-	logo.DrawTo(screen, (screen->w - logo.GetClipW()) / 2, (screen->h - logo.GetClipH()) / 2);
+void SplashScreen::RenderFrame(SDL_Renderer* renderer) {
+	//TODO: version information
+	int w = 0, h = 0;
+	SDL_RenderGetLogicalSize(renderer, &w, &h);
+	logo.DrawTo(renderer, (w - logo.GetClipW()) / 2, (h - logo.GetClipH()) / 2);
 }

client/scenes/splash_screen.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,11 +19,9 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef SPLASHSCREEN_HPP_
-#define SPLASHSCREEN_HPP_
+#pragma once
 
 #include "base_scene.hpp"
-
 #include "image.hpp"
 
 #include <chrono>
@@ -31,17 +29,20 @@
 class SplashScreen : public BaseScene {
 public:
 	//Public access members
-	SplashScreen();
+	SplashScreen(SDL_Window*);
 	~SplashScreen();
 
-protected:
+	void RenderFrame(SDL_Renderer* renderer) override;
+
+private:
 	//Frame loop
-	void Update();
-	void Render(SDL_Surface* const);
+	void FrameStart() override;
 
 	//members
 	std::chrono::steady_clock::time_point startTick;
 	Image logo;
-};
 
-#endif
+	//screws with the window
+	SDL_Window* window = nullptr;
+	int windowWidth, windowHeight;
+};

client/scenes/world.hpp

@@ -0,0 +1,170 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+//maps
+#include "region_pager_base.hpp"
+
+//utilities
+#include "udp_network_utility.hpp"
+#include "serial_packet.hpp"
+#include "config_utility.hpp"
+
+//graphics
+#include "image.hpp"
+#include "button.hpp"
+#include "tile_sheet.hpp"
+#include "text_line.hpp"
+
+//common
+#include "frame_rate.hpp"
+
+//client
+#include "barrier_manager.hpp"
+#include "base_scene.hpp"
+#include "base_barrier.hpp"
+#include "base_creature.hpp"
+#include "heartbeat_utility.hpp"
+#include "local_character.hpp"
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_net.h"
+#include "SDL2/SDL_ttf.h"
+
+//STL
+#include <map>
+
+#include <chrono>
+
+class World: public BaseScene {
+public:
+	//Public access members
+	World(int* const argClientIndex, int* const argAccountIndex);
+	~World();
+
+	void RenderFrame(SDL_Renderer* renderer) override;
+
+private:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void QuitEvent();
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
+
+	//handle incoming traffic
+	void HandlePacket(SerialPacket* const);
+
+	//basic connections
+	void SendLogoutRequest();
+	void SendDisconnectRequest();
+	void SendAdminDisconnectForced();
+	void SendAdminShutdownRequest();
+
+	void hLogoutResponse(ClientPacket* const);
+	void hDisconnectResponse(ClientPacket* const);
+	void hAdminDisconnectForced(ClientPacket* const);
+
+	//map management
+	void SendRegionRequest(int roomIndex, int x, int y);
+	void hRegionContent(RegionPacket* const);
+	void UpdateMap();
+
+	//character management
+	void hCharacterUpdate(CharacterPacket* const);
+	void hCharacterCreate(CharacterPacket* const);
+	void hCharacterUnload(CharacterPacket* const);
+	void hQueryCharacterExists(CharacterPacket* const);
+	void hCharacterMovement(CharacterPacket* const);
+
+	//creature management
+	void hCreatureUpdate(CreaturePacket* const);
+	void hCreatureCreate(CreaturePacket* const);
+	void hCreatureUnload(CreaturePacket* const);
+	void hQueryCreatureExists(CreaturePacket* const);
+	void hCreatureMovement(CreaturePacket* const);
+
+	//barrier management
+	void hBarrierUpdate(BarrierPacket* const);
+	void hBarrierCreate(BarrierPacket* const);
+	void hBarrierUnload(BarrierPacket* const);
+	void hQueryBarrierExists(BarrierPacket* const);
+
+	//chat
+	//TODO: ui chat engine
+	void hTextBroadcast(TextPacket* const);
+	void hTextSpeech(TextPacket* const);
+	void hTextWhisper(TextPacket* const);
+
+	//general gameplay
+	void SendLocalCharacterMovement();
+	std::list<BoundingBox> GenerateCollisionGrid(Entity*, int tileWidth, int tileHeight);
+
+	//indexes
+	int& clientIndex;
+	int& accountIndex;
+	int characterIndex = -1;
+	int roomIndex = -1;
+
+	//graphics
+	TileSheet tileSheet;
+
+	//map
+	RegionPagerBase regionPager;
+
+	//UI
+	Image buttonImage;
+	TTF_Font* font = nullptr;
+	Button disconnectButton;
+	Button shutdownButton;
+	FrameRate fps;
+	TextLine fpsTextLine;
+
+	//the camera structure
+	struct {
+		int x = 0, y = 0;
+		int width = 0, height = 0;
+		int marginX = 0, marginY = 0;
+	} camera;
+
+	//entities
+	BarrierManager barrierMgr;
+	std::map<int, BaseCharacter> characterMap;
+	std::map<int, BaseCreature> creatureMap;
+	LocalCharacter* localCharacter = nullptr;
+
+	//heartbeat
+	HeartbeatUtility heartbeatUtility;
+	typedef std::chrono::steady_clock Clock;
+	Clock::time_point queryTime = Clock::now() - std::chrono::seconds(4); //back 4 seconds to trigger automatically
+
+	//ugly references; I hate this
+	ConfigUtility& config = ConfigUtility::GetSingleton();
+	UDPNetworkUtility& network = UDPNetworkUtility::GetSingleton();
+};

common/debugging/makefile

@@ -10,10 +10,6 @@ CXXSRC=$(wildcard *.cpp)
 OBJDIR=obj
 OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
-#output
-OUTDIR=../..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
@@ -30,8 +26,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

common/debugging/timer.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages

common/debugging/timer.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef TIMER_HPP_
-#define TIMER_HPP_
+#pragma once
 
 #include <chrono>
 #include <string>
@@ -50,5 +49,3 @@ private:
 };
 
 std::ostream& operator<<(std::ostream& os, Timer& t);
-
-#endif

common/frameworks/network/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. ../graphics
+INCLUDES+=. packet_types ../gameplay ../map ../utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 
@@ -10,13 +10,10 @@ CXXSRC=$(wildcard *.cpp)
 OBJDIR=obj
 OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
-#output
-OUTDIR=../..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
+	$(MAKE) -C packet_types
 
 $(OBJ): | $(OBJDIR)
 
@@ -30,8 +27,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

common/frameworks/scenes/application.cpp

@@ -0,0 +1,188 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "application.hpp"
+
+#include <chrono>
+#include <sstream>
+#include <stdexcept>
+
+void Application::Init(int argc, char* argv[]) {
+	//create and check the window
+	window = SDL_CreateWindow(
+		"Example Caption",
+		SDL_WINDOWPOS_UNDEFINED,
+		SDL_WINDOWPOS_UNDEFINED,
+		screenWidth,
+		screenHeight,
+		SDL_WINDOW_RESIZABLE);
+
+	if (!window) {
+		std::ostringstream msg;
+		msg << "Failed to create the window: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//create and check the renderer
+	renderer = SDL_CreateRenderer(window, -1, 0);
+
+	if (!renderer) {
+		std::ostringstream msg;
+		msg << "Failed to create the renderer: " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//screen scaling
+	SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "best");
+	SDL_RenderSetLogicalSize(renderer, screenWidth, screenHeight);
+
+	//set the hook for the renderer
+	BaseScene::SetRenderer(renderer);
+}
+
+void Application::Proc() {
+	//load the first scene
+	ProcessSceneSignal(SceneSignal::FIRST);
+
+	//fixed frame rate
+	typedef std::chrono::steady_clock Clock;
+
+	Clock::time_point simTime = Clock::now();
+	Clock::time_point realTime;
+	constexpr std::chrono::duration<int, std::milli> frameDelay(16); //~60FPS
+
+	//the game loop continues until the scenes signal QUIT
+	while(activeScene->GetSceneSignal() != SceneSignal::QUIT) {
+		//switch scenes if necessary
+		if(activeScene->GetSceneSignal() != SceneSignal::CONTINUE) {
+			ProcessSceneSignal(activeScene->GetSceneSignal());
+			continue;
+		}
+
+		//update the current time
+		realTime = Clock::now();
+
+		//simulate the game or give the machine a break
+		if (simTime < realTime) {
+			while(simTime < realTime) {
+				//call the user defined functions
+				activeScene->FrameStart();
+				ProcessEvents();
+				activeScene->Update();
+				activeScene->FrameEnd();
+
+				//step to the next frame
+				simTime += frameDelay;
+			}
+		}
+		else {
+			SDL_Delay(1);
+		}
+
+		SDL_RenderClear(renderer);
+		activeScene->RenderFrame(renderer);
+		SDL_RenderPresent(renderer);
+	}
+
+	//cleanup
+	ClearScene();
+}
+
+void Application::Quit() {
+	//clean up after the program
+	BaseScene::SetRenderer(nullptr);
+	SDL_DestroyRenderer(renderer);
+	SDL_DestroyWindow(window);
+}
+
+//-------------------------
+//Scene management
+//-------------------------
+
+void Application::ProcessEvents() {
+	SDL_Event event;
+	while(SDL_PollEvent(&event)) {
+		switch(event.type) {
+			case SDL_QUIT:
+				activeScene->QuitEvent();
+			break;
+
+			case SDL_MOUSEMOTION:
+				activeScene->MouseMotion(event.motion);
+			break;
+
+			case SDL_MOUSEBUTTONDOWN:
+				activeScene->MouseButtonDown(event.button);
+			break;
+
+			case SDL_MOUSEBUTTONUP:
+				activeScene->MouseButtonUp(event.button);
+			break;
+
+			case SDL_MOUSEWHEEL:
+				activeScene->MouseWheel(event.wheel);
+			break;
+
+			case SDL_KEYDOWN:
+				activeScene->KeyDown(event.key);
+			break;
+
+			case SDL_KEYUP:
+				activeScene->KeyUp(event.key);
+			break;
+
+			//TODO: joystick and controller events
+
+			//window events are handled internally
+			case SDL_WINDOWEVENT:
+				switch(event.window.event) {
+					case SDL_WINDOWEVENT_RESIZED:
+						SDL_RenderSetLogicalSize(renderer, event.window.data1, event.window.data2);
+					break;
+				}
+			break;
+		}
+	}
+}
+
+//Add the custom scene headers here
+#include "example_scene.hpp"
+
+void Application::ProcessSceneSignal(SceneSignal signal) {
+	ClearScene();
+
+	switch(signal) {
+		case SceneSignal::FIRST:
+		case SceneSignal::EXAMPLE_SCENE:
+			activeScene = new ExampleScene();
+		break;
+		default: {
+			std::ostringstream msg;
+			msg << "Failed to recognize the scene signal: " << signal;
+			throw(std::logic_error(msg.str()));
+		}
+	}
+}
+
+void Application::ClearScene() {
+	delete activeScene;
+	activeScene = nullptr;
+}

common/frameworks/scenes/application.hpp

@@ -0,0 +1,54 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "base_scene.hpp"
+#include "scene_signal.hpp"
+
+#include "SDL2/SDL.h"
+
+//TODO: do something with these
+constexpr int screenWidth = 800;
+constexpr int screenHeight = 600;
+
+//DOCS: The Application class handles scene switching, utilizing only one window
+class Application {
+public:
+	Application() = default;
+	~Application() = default;
+
+	void Init(int argc, char* argv[]);
+	void Proc();
+	void Quit();
+
+private:
+	//scene management
+	void ProcessEvents();
+	void ProcessSceneSignal(SceneSignal);
+	void ClearScene();
+
+	BaseScene* activeScene = nullptr;
+
+	//TODO: build a "window" class?
+	SDL_Window* window = nullptr;
+	SDL_Renderer* renderer = nullptr;
+};

common/frameworks/scenes/base_scene.cpp

@@ -0,0 +1,105 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "base_scene.hpp"
+
+SDL_Renderer* BaseScene::rendererHandle = nullptr;
+
+BaseScene::BaseScene() {
+	//EMPTY
+}
+
+BaseScene::~BaseScene() {
+	//EMPTY
+}
+
+void BaseScene::RenderFrame(SDL_Renderer* renderer) {
+	//EMPTY
+}
+
+void BaseScene::SetRenderer(SDL_Renderer* r) {
+	rendererHandle = r;
+}
+
+SDL_Renderer* BaseScene::GetRenderer() {
+	return rendererHandle;
+}
+
+void BaseScene::SetSceneSignal(SceneSignal signal) {
+	sceneSignal = signal;
+}
+
+SceneSignal BaseScene::GetSceneSignal() {
+	return sceneSignal;
+}
+
+//-------------------------
+//frame phases
+//-------------------------
+
+void BaseScene::FrameStart() {
+	//EMPTY
+}
+
+void BaseScene::Update() {
+	//EMPTY
+}
+
+void BaseScene::FrameEnd() {
+	//EMPTY
+}
+
+//-------------------------
+//input events
+//-------------------------
+
+void BaseScene::QuitEvent() {
+	sceneSignal = SceneSignal::QUIT;
+}
+
+void BaseScene::MouseMotion(SDL_MouseMotionEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//EMPTY
+}
+
+void BaseScene::KeyDown(SDL_KeyboardEvent const& event) {
+	//preference as a default
+	switch(event.keysym.sym) {
+		case SDLK_ESCAPE:
+			QuitEvent();
+		break;
+	}
+}
+
+void BaseScene::KeyUp(SDL_KeyboardEvent const& event) {
+	//EMPTY
+}

common/frameworks/scenes/base_scene.hpp

@@ -0,0 +1,61 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "scene_signal.hpp"
+
+#include "SDL2/SDL.h"
+
+class BaseScene {
+public:
+	BaseScene();
+	virtual ~BaseScene();
+
+	virtual void RenderFrame(SDL_Renderer*);
+	static void SetRenderer(SDL_Renderer*);
+	SceneSignal GetSceneSignal();
+
+	//frame phases
+	virtual void FrameStart();
+	virtual void Update();
+	virtual void FrameEnd();
+
+	//input events
+	virtual void QuitEvent();
+	virtual void MouseMotion(SDL_MouseMotionEvent const& event);
+	virtual void MouseButtonDown(SDL_MouseButtonEvent const& event);
+	virtual void MouseButtonUp(SDL_MouseButtonEvent const& event);
+	virtual void MouseWheel(SDL_MouseWheelEvent const& event);
+	virtual void KeyDown(SDL_KeyboardEvent const& event);
+	virtual void KeyUp(SDL_KeyboardEvent const& event);
+
+	//TODO: joystick and controller events
+
+protected:
+	//control
+	static SDL_Renderer* GetRenderer();
+	void SetSceneSignal(SceneSignal);
+
+private:
+	static SDL_Renderer* rendererHandle;
+	SceneSignal sceneSignal = SceneSignal::CONTINUE;
+};

common/frameworks/scenes/example_scene.cpp

@@ -0,0 +1,83 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "example_scene.hpp"
+
+ExampleScene::ExampleScene() {
+	//
+}
+
+ExampleScene::~ExampleScene() {
+	//
+}
+
+//-------------------------
+//frame phases
+//-------------------------
+
+void ExampleScene::FrameStart() {
+	//
+}
+
+void ExampleScene::Update() {
+	//
+}
+
+void ExampleScene::FrameEnd() {
+	//
+}
+
+void ExampleScene::RenderFrame(SDL_Renderer* renderer) {
+	//
+}
+
+//-------------------------
+//input events
+//-------------------------
+
+void ExampleScene::MouseMotion(SDL_MouseMotionEvent const& event) {
+	//
+}
+
+void ExampleScene::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	//
+}
+
+void ExampleScene::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//
+}
+
+void ExampleScene::MouseWheel(SDL_MouseWheelEvent const& event) {
+	//
+}
+
+void ExampleScene::KeyDown(SDL_KeyboardEvent const& event) {
+	//preference as a default
+	switch(event.keysym.sym) {
+		case SDLK_ESCAPE:
+			QuitEvent();
+		break;
+	}
+}
+
+void ExampleScene::KeyUp(SDL_KeyboardEvent const& event) {
+	//
+}

common/frameworks/scenes/example_scene.hpp

@@ -0,0 +1,46 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "base_scene.hpp"
+
+class ExampleScene : public BaseScene {
+public:
+	ExampleScene();
+	~ExampleScene();
+
+	void RenderFrame(SDL_Renderer* renderer) override;
+
+private:
+	//frame phases
+	void FrameStart() override;
+	void Update() override;
+	void FrameEnd() override;
+
+	//input events
+	void MouseMotion(SDL_MouseMotionEvent const& event) override;
+	void MouseButtonDown(SDL_MouseButtonEvent const& event) override;
+	void MouseButtonUp(SDL_MouseButtonEvent const& event) override;
+	void MouseWheel(SDL_MouseWheelEvent const& event) override;
+	void KeyDown(SDL_KeyboardEvent const& event) override;
+	void KeyUp(SDL_KeyboardEvent const& event) override;
+};

common/frameworks/scenes/main.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,20 +19,25 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "monster_data.hpp"
+#include "application.hpp"
 
-std::string MonsterData::SetAvatar(std::string s) {
-	return avatar = s;
-}
+#include "SDL2/SDL.h"
 
-int MonsterData::SetScriptReference(int i) {
-	return scriptRef = i;
-}
+#include <iostream>
+#include <stdexcept>
 
-std::string MonsterData::GetAvatar() {
-	return avatar;
-}
-
-int MonsterData::GetScriptReference() {
-	return scriptRef;
+int main(int argc, char** argv) {
+	std::cout << "Beginning " << argv[0] << std::endl;
+	try {
+		Application app;
+		app.Init(argc, argv);
+		app.Proc();
+		app.Quit();
+	}
+	catch(std::exception& e) {
+		std::cerr << "Fatal Error: " << e.what() << std::endl;
+		return 1;
+	}
+	std::cout << "Clean exit from " << argv[0] << std::endl;
+	return 0;
 }

common/frameworks/scenes/makefile

@@ -0,0 +1,56 @@
+#include directories
+INCLUDES+=.
+
+#libraries
+#the order of the $(LIBS) is important, at least for MinGW
+LIBS+=
+ifeq ($(OS),Windows_NT)
+	LIBS+=-lmingw32
+endif
+LIBS+=-lSDL2main -lSDL2
+
+#flags
+CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
+ifeq ($(shell uname), Linux)
+	#read data about the current install
+	CXXFLAGS+=$(shell sdl-config --cflags --static-libs)
+endif
+
+#source
+CXXSRC=$(wildcard *.cpp)
+
+#objects
+OBJDIR=obj
+OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
+
+#output
+OUTDIR=out
+OUT=$(addprefix $(OUTDIR)/,scenes)
+
+#targets
+all: $(OBJ) $(OUT)
+	$(CXX) $(CXXFLAGS) -o $(OUT) $(OBJ) $(LIBS)
+
+$(OBJ): | $(OBJDIR)
+
+$(OUT): | $(OUTDIR)
+
+$(OBJDIR):
+	mkdir $(OBJDIR)
+
+$(OUTDIR):
+	mkdir $(OUTDIR)
+
+$(OBJDIR)/%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+clean:
+ifeq ($(OS),Windows_NT)
+	$(RM) *.o *.a *.exe
+else ifeq ($(shell uname), Linux)
+	find . -type f -name '*.o' -exec rm -f -r -v {} \;
+	find . -type f -name '*.a' -exec rm -f -r -v {} \;
+	rm -f -v $(OUT)
+endif
+
+rebuild: clean all

common/frameworks/scenes/scene_signal.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,12 +19,14 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "waypoint_data.hpp"
+#pragma once
 
-int WaypointData::SetTriggerReference(int i) {
-	return triggerRef = i;
-}
+enum SceneSignal {
+	//reserved members for internal use
+	QUIT = -1,
+	CONTINUE = 0,
+	FIRST = 1,
 
-int WaypointData::GetTriggerReference() {
-	return triggerRef;
-}
+	//custom scenes
+	EXAMPLE_SCENE
+};

common/gameplay/barrier_defines.hpp

@@ -0,0 +1,28 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+//the bounds for the objects, mapped to the default sprites
+constexpr int BARRIER_BOUNDS_X = 0;
+constexpr int BARRIER_BOUNDS_Y = 0;
+constexpr int BARRIER_BOUNDS_WIDTH = 96;
+constexpr int BARRIER_BOUNDS_HEIGHT = 96;

common/gameplay/character_defines.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef CHARACTERDEFINES_HPP_
-#define CHARACTERDEFINES_HPP_
+#pragma once
 
 #include <cmath>
 
@@ -38,5 +37,3 @@ constexpr int CHARACTER_BOUNDS_HEIGHT = 32;
 //the character's sprite format
 constexpr int CHARACTER_CELLS_X = 4;
 constexpr int CHARACTER_CELLS_Y = 4;
-
-#endif

common/gameplay/creature_defines.hpp

@@ -0,0 +1,39 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include <cmath>
+
+//the speeds that the characters move
+constexpr double CREATURE_WALKING_SPEED = 1.0;
+constexpr double CREATURE_WALKING_MOD = 1.0/sqrt(2.0);
+constexpr double CREATURE_WALKING_NEGATIVE_MOD = 1.0 - CREATURE_WALKING_MOD;
+
+//the bounds for the character objects, mapped to the default sprites
+constexpr int CREATURE_BOUNDS_X = 0;
+constexpr int CREATURE_BOUNDS_Y = 0;
+constexpr int CREATURE_BOUNDS_WIDTH = 32;
+constexpr int CREATURE_BOUNDS_HEIGHT = 32;
+
+//the character's sprite format
+constexpr int CREATURE_CELLS_X = 4;
+constexpr int CREATURE_CELLS_Y = 4;

common/gameplay/culling_defines.hpp

@@ -0,0 +1,24 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+constexpr int INFLUENCE_RADIUS = 1000;

common/gameplay/item_type.hpp

@@ -0,0 +1,32 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+enum ItemType {
+	//basics
+	POTION = 101,
+
+	//weapons
+	SWORD = 201,
+	DAGGER = 202,
+	STAFF = 203
+};

common/gameplay/makefile

@@ -10,10 +10,6 @@ CXXSRC=$(wildcard *.cpp)
 OBJDIR=obj
 OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
-#output
-OUTDIR=../..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
@@ -30,8 +26,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

common/graphics/button.cpp

@@ -0,0 +1,167 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "button.hpp"
+
+#include "render_text_texture.hpp"
+
+#include <stdexcept>
+
+void Button::DrawTo(SDL_Renderer* renderer) {
+	image.SetClipY(image.GetClipH() * state);
+	image.DrawTo(renderer, posX, posY);
+}
+
+void Button::SetBackgroundTexture(SDL_Renderer* renderer, SDL_Texture* texture) {
+	//copy the given texture
+	image.Free();
+
+	//a null texture can simply free the image
+	if (!texture) {
+		return;
+	}
+
+	//get the w & h, & create
+	int w = 0, h = 0;
+	SDL_QueryTexture(texture, nullptr, nullptr, &w, &h);
+	image.Create(renderer, w, h);
+
+	//copy
+	SDL_SetRenderTarget(renderer, image.GetTexture());
+	SDL_RenderCopy(renderer, texture, nullptr, nullptr);
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	//prune
+	image.SetClipH(image.GetClipH() / 3);
+}
+
+void Button::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
+	//convert to texture
+	SDL_Texture* text = renderTextTexture(renderer, font, color, s);
+
+	//get the dimensions & rects
+	int x, y, w, h;
+	SDL_QueryTexture(text, nullptr, nullptr, &w, &h);
+	x = (image.GetClipW() - w) / 2;
+	y = (image.GetClipH() - h) / 2;
+	SDL_Rect src = {0, 0, w, h};
+	SDL_Rect dst;
+
+	//draw the text to the background
+	SDL_SetRenderTarget(renderer, image.GetTexture());
+
+	for (int i = 0; i < 3; i++) {
+		dst = {x, y + image.GetClipH() * i, w, h};
+		SDL_RenderCopy(renderer, text, &src, &dst);
+	}
+
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	//free the texture
+	SDL_DestroyTexture(text);
+}
+
+Button::State Button::MouseMotion(SDL_MouseMotionEvent const& event) {
+	//if out of bounds, exit
+	if (!CheckBounds(event.x, event.y)) {
+		return state = State::IDLE;
+	}
+
+	//if in bounds, check button
+	if (event.state & SDL_BUTTON_LMASK && state == State::PRESSED) {
+		//stay pressed
+//		state = State::PRESSED;
+	}
+	else {
+		state = State::HOVER;
+	}
+
+	return state;
+}
+
+Button::State Button::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	//if out of bounds, exit
+	if (!CheckBounds(event.x, event.y)) {
+		return state = State::IDLE;
+	}
+
+	//if in bounds, check button
+	if (event.button == SDL_BUTTON_LEFT) {
+		return state = State::PRESSED;
+	}
+
+	//NOTE: if not left button down, ignore
+	return State::HOVER;
+}
+
+Button::State Button::MouseButtonUp(SDL_MouseButtonEvent const& event) {
+	//if out of bounds, exit
+	if (!CheckBounds(event.x, event.y)) {
+		return state = State::IDLE;
+	}
+
+	//if not left button up, ignore
+	if (event.button != SDL_BUTTON_LEFT) {
+		return state;
+	}
+
+	//if in bounds and left button up, send release signal
+	if (state == State::PRESSED) {
+		state = State::HOVER;
+		return State::RELEASED;
+	}
+
+	return state;
+}
+
+void Button::SetState(State s) {
+	state = s;
+}
+
+Button::State Button::GetState() {
+	return state;
+}
+
+int Button::SetX(int i) {
+	return posX = i;
+}
+
+int Button::SetY(int i) {
+	return posY = i;
+}
+
+int Button::GetX() const {
+	return posX;
+}
+
+int Button::GetY() const {
+	return posY;
+}
+
+bool Button::CheckBounds(int x, int y) {
+	//return if true (x, y) is within bounds, otherwise return false
+	return !(
+		x < posX ||
+		y < posY ||
+		x > posX + image.GetClipW() ||
+		y > posY + image.GetClipH()
+		);
+}

common/graphics/button.hpp

@@ -0,0 +1,67 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "image.hpp"
+
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+
+class Button {
+public:
+	enum State {
+		IDLE = 0, HOVER = 1, PRESSED = 2, RELEASED = 3
+	};
+
+	//methods
+	Button() = default;
+	~Button() = default;
+
+	void DrawTo(SDL_Renderer*);
+
+	//setup
+	void SetBackgroundTexture(SDL_Renderer*, SDL_Texture*);
+	void SetText(SDL_Renderer*, TTF_Font*, SDL_Color, std::string);
+
+	//capture input
+	State MouseMotion(SDL_MouseMotionEvent const&);
+	State MouseButtonDown(SDL_MouseButtonEvent const&);
+	State MouseButtonUp(SDL_MouseButtonEvent const&);
+
+	//states
+	void SetState(State); //TODO: idle, busy or disabled
+	State GetState();
+
+	//accessors & mutators
+	int SetX(int x);
+	int SetY(int y);
+	int GetX() const;
+	int GetY() const;
+
+protected:
+	bool CheckBounds(int x, int y);
+
+	Image image;
+	State state = State::IDLE;
+	int posX = 0, posY = 0;
+};

common/graphics/composite_image.hpp

@@ -0,0 +1,145 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "image.hpp"
+
+#include <list>
+#include <map>
+#include <string>
+
+template<typename T = class Image>
+class CompositeImage {
+public:
+	CompositeImage() = default;
+	~CompositeImage() = default;
+
+	void Load(SDL_Renderer* const, std::string spriteDir, std::list<std::string> nameList);
+	void SetTextures(std::map<std::string, Image>& templateImages);
+	void Free();
+
+	void DrawTo(SDL_Renderer* const, Sint16 x, Sint16 y, double scaleX = 1.0, double scaleY = 1.0);
+
+	//accessors & mutators
+	T* Find(std::string name);
+
+	bool Enable(std::string name);
+	bool Disable(std::string name);
+	void EnableAll();
+	void DisableAll();
+
+	std::map<std::string, std::pair<bool, T>>* GetTemplateImages();
+
+private:
+	std::map<std::string, std::pair<bool, T>> imageMap;
+};
+
+
+template<typename T>
+void CompositeImage<T>::Load(SDL_Renderer* const renderer, std::string spriteDir, std::list<std::string> nameList) {
+	for (auto& it : nameList) {
+		imageMap[it].first = true;
+		imageMap[it].second.Load(renderer, spriteDir + it);
+	}
+}
+
+template<typename T>
+void CompositeImage<T>::SetTextures(std::map<std::string, Image>& templateImages) {
+	for (auto& it : templateImages) {
+		imageMap[it.first].first = true;
+		imageMap[it.first].second.SetTexture(it.second.GetTexture());
+	}
+}
+
+template<typename T>
+void CompositeImage<T>::Free() {
+	imageMap.clear();
+}
+
+template<typename T>
+void CompositeImage<T>::DrawTo(SDL_Renderer* const dest, Sint16 x, Sint16 y, double scaleX, double scaleY) {
+	//draw all members, regardless of internal ordering
+	for (auto& it : imageMap) {
+		if (it.second.first) {
+			it.second.second.DrawTo(dest, x, y, scaleX, scaleY);
+		}
+	}
+}
+
+
+//-------------------------
+//accessors & mutators
+//-------------------------
+
+template<typename T>
+T* CompositeImage<T>::Find(std::string name) {
+	auto it = imageMap.find(name);
+	if (it == imageMap.end()) {
+		return nullptr;
+	}
+	else {
+		return &it->second.second;
+	}
+}
+
+template<typename T>
+bool CompositeImage<T>::Enable(std::string name) {
+	auto it = imageMap.find(name);
+	if (it == imageMap.end()) {
+		return false;
+	}
+	else {
+		imageMap[name].first = true;
+		return true;
+	}
+}
+
+template<typename T>
+bool CompositeImage<T>::Disable(std::string name) {
+	auto it = imageMap.find(name);
+	if (it == imageMap.end()) {
+		return false;
+	}
+	else {
+		imageMap[name].first = false;
+		return true;
+	}
+}
+
+template<typename T>
+void CompositeImage<T>::EnableAll() {
+	for (auto& it : imageMap) {
+		it.second.first = true;
+	}
+}
+
+template<typename T>
+void CompositeImage<T>::DisableAll() {
+	for (auto& it : imageMap) {
+		it.second.first = false;
+	}
+}
+
+template<typename T>
+std::map<std::string, std::pair<bool, T>>* CompositeImage<T>::GetTemplateImages() {
+	return &imageMap;
+}

common/graphics/image.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -21,8 +21,10 @@
 */
 #include "image.hpp"
 
-#include <stdexcept>
+#include "SDL2/SDL_image.h"
+
 #include <sstream>
+#include <stdexcept>
 
 Image& Image::operator=(Image const& rhs) {
 	//don't screw yourself
@@ -30,10 +32,10 @@ Image& Image::operator=(Image const& rhs) {
 		return *this;
 	}
 
-	FreeSurface();
+	Free();
 
 	//Copy the other Image's stuff
-	surface = rhs.surface;
+	texture = rhs.texture;
 	clip = rhs.clip;
 	local = false;
 }
@@ -44,102 +46,166 @@ Image& Image::operator=(Image&& rhs) {
 		return *this;
 	}
 
-	FreeSurface();
+	Free();
 
 	//Steal the other Image's stuff
-	surface = rhs.surface;
+	texture = rhs.texture;
 	clip = rhs.clip;
 	local = rhs.local;
 
-	rhs.surface = nullptr;
+	rhs.texture = nullptr;
 	rhs.clip = {0, 0, 0, 0};
 	rhs.local = false;
 }
 
-SDL_Surface* Image::LoadSurface(std::string fname) {
-	FreeSurface();
-	SDL_Surface* p = SDL_LoadBMP(fname.c_str());
-	if (!p) {
-		std::ostringstream os;
-		os << "Failed to load file: " << fname;
-		throw(std::runtime_error(os.str()));
+SDL_Texture* Image::Load(SDL_Renderer* renderer, std::string fname) {
+	Free();
+
+	//load the file into a surface
+	SDL_Surface* surface = IMG_Load(fname.c_str());
+	if (!surface) {
+		std::ostringstream msg;
+		msg << "Failed to load an image file: " << fname;
+		msg << "; " << IMG_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//create a texture from this surface
+	texture = SDL_CreateTextureFromSurface(renderer, surface);
+	if (!texture) {
+		std::ostringstream msg;
+		msg << "Failed to convert a newly loaded image file: " << fname;
+		msg << "; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//set the metadata
+	clip.x = 0;
+	clip.y = 0;
+	if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
+		std::ostringstream msg;
+		msg << "Failed to record metadata for a newly loaded image file: " << fname;
+		msg << "; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
-	surface = p;
-	clip = {0, 0, (Uint16)surface->w, (Uint16)surface->h};
 	local = true;
-	SetTransparentColor(255, 0, 255); //default
-	return surface;
+
+	//free the surface & return
+	SDL_FreeSurface(surface);
+	return texture;
 }
 
-SDL_Surface* Image::CreateSurface(Uint16 w, Uint16 h) {
-	FreeSurface();
-	Uint32 rmask, gmask, bmask, amask;
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
-    rmask = 0xff000000;
-    gmask = 0x00ff0000;
-    bmask = 0x0000ff00;
-    amask = 0x000000ff;
-#else
-    rmask = 0x000000ff;
-    gmask = 0x0000ff00;
-    bmask = 0x00ff0000;
-    amask = 0xff000000;
-#endif
-	SDL_Surface* p = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, 32, rmask, gmask, bmask, amask);
-	if (!p) {
-		throw(std::runtime_error("Failed to create Image surface"));
+SDL_Texture* Image::Create(SDL_Renderer* renderer, Uint16 w, Uint16 h, SDL_Color blank) {
+	Free();
+
+	//make the texture
+	texture = SDL_CreateTexture(renderer,
+		SDL_PIXELFORMAT_RGBA8888,
+		SDL_TEXTUREACCESS_TARGET,
+		w, h);
+
+	//check
+	if (!texture) {
+		std::ostringstream msg;
+		msg << "Failed to create a texture; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
+	}
+
+	//set the metadata
+	clip.x = 0;
+	clip.y = 0;
+	if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
+		std::ostringstream msg;
+		msg << "Failed to record metadata for a newly created image";
+		msg << "; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
-	surface = p;
-	clip = {0, 0, (Uint16)surface->w, (Uint16)surface->h};
 	local = true;
-	SetTransparentColor(255, 0, 255); //default
-	return surface;
+
+	//blank (black) texture
+	SDL_SetRenderTarget(renderer, texture);
+	SDL_SetRenderDrawColor(renderer, blank.r, blank.g, blank.b, blank.a);
+	SDL_RenderFillRect(renderer, nullptr);
+	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	return texture;
 }
 
-SDL_Surface* Image::SetSurface(SDL_Surface* p) {
-	FreeSurface();
-	if (!p) {
-		throw(std::invalid_argument("No surface pointer provided"));
+SDL_Texture* Image::CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr) {
+	Free();
+	int w = 0, h = 0;
+
+	//get the info
+	SDL_QueryTexture(ptr, nullptr, nullptr, &w, &h);
+
+	//create a texture of (w, h) size (also sets the metadata)
+	Create(renderer, w, h);
+
+	//copy the argument texture to the local texture
+	SDL_SetRenderTarget(renderer, texture);
+	SDL_RenderCopy(renderer, ptr, nullptr, nullptr);
+	SDL_SetRenderTarget(renderer, nullptr);
+
+	//return the local texture
+	return texture;
+}
+
+SDL_Texture* Image::SetTexture(SDL_Texture* ptr) {
+	Free();
+
+	texture = ptr;
+
+	//set the metadata
+	clip.x = 0;
+	clip.y = 0;
+	if (SDL_QueryTexture(texture, nullptr, nullptr, &clip.w, &clip.h)) {
+		std::ostringstream msg;
+		msg << "Failed to record metadata for a newly set image";
+		msg << "; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
-	surface = p;
-	clip = {0, 0, (Uint16)surface->w, (Uint16)surface->h};
 	local = false;
-	return surface;
+
+	return texture;
 }
 
-void Image::FreeSurface() {
+SDL_Texture* Image::GetTexture() const {
+	return texture;
+}
+
+void Image::Free() {
 	if (local) {
-		SDL_FreeSurface(surface);
+		SDL_DestroyTexture(texture);
 		local = false;
 	}
-	surface = nullptr;
+	texture = nullptr;
 	clip = {0, 0, 0, 0};
 }
 
-void Image::DrawTo(SDL_Surface* dest, Sint16 x, Sint16 y) {
-	if (!surface) {
-		throw(std::logic_error("No image surface to draw"));
+void Image::DrawTo(SDL_Renderer* const renderer, Sint16 x, Sint16 y, double scaleX, double scaleY) {
+	if (!texture) {
+		throw(std::logic_error("No image texture to draw"));
 	}
-	SDL_Rect sclip = clip, dclip = {x,y};
-	SDL_BlitSurface(surface, &sclip, dest, &dclip);
+	SDL_Rect sclip = clip;
+	SDL_Rect dclip = {x, y, Uint16(clip.w * scaleX), Uint16(clip.h * scaleY)};
+	SDL_RenderCopy(renderer, texture, &sclip, &dclip);
 }
 
-void Image::SetTransparentColor(Uint8 r, Uint8 g, Uint8 b) {
-	if (!surface) {
-		throw(std::logic_error("Failed to set the transparent color"));
+void Image::SetAlpha(Uint8 a) {
+	if (SDL_SetTextureAlphaMod(texture, a)) {
+		std::ostringstream msg;
+		msg << "Failed to set alpha; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
-	if (!local) {
-		throw(std::logic_error("Cannot set the transparent color of a non-local surface"));
-	}
-	SDL_SetColorKey(surface, SDL_SRCCOLORKEY, SDL_MapRGB(surface->format, r, g, b));
 }
 
-void Image::ClearTransparentColor() {
-	if (!surface) {
-		throw(std::logic_error("Failed to clear the transparent color"));
+Uint8 Image::GetAlpha() {
+	Uint8 ret = 0;
+	if (SDL_GetTextureAlphaMod(texture, &ret)) {
+		std::ostringstream msg;
+		msg << "Failed to get alpha; " << SDL_GetError();
+		throw(std::runtime_error(msg.str()));
 	}
-	if (!local) {
-		throw(std::logic_error("Cannot clear the transparent color of a non-local surface"));
-	}
-	SDL_SetColorKey(surface, 0, 0);
-}
+	return ret;
+}

common/graphics/image.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,10 +19,10 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef IMAGE_HPP_
-#define IMAGE_HPP_
+#pragma once
+
+#include "SDL2/SDL.h"
 
-#include "SDL/SDL.h"
 #include <string>
 
 class Image {
@@ -30,21 +30,25 @@ public:
 	Image() = default;
 	Image(Image const& rhs) { *this = rhs; }
 	Image(Image&& rhs) { *this = std::move(rhs); }
-	Image(std::string fname) { LoadSurface(fname); }
-	Image(Uint16 w, Uint16 h) { CreateSurface(w, h); }
-	Image(SDL_Surface* p) { SetSurface(p); }
-	~Image() { FreeSurface(); }
+	Image(SDL_Renderer* r, std::string fname) { Load(r, fname); }
+	Image(SDL_Renderer* r, Uint16 w, Uint16 h) { Create(r, w, h); }
+	Image(SDL_Texture* p) { SetTexture(p); }
+	virtual ~Image() { Free(); }
 
 	Image& operator=(Image const&);
 	Image& operator=(Image&&);
 
-	SDL_Surface* LoadSurface(std::string fname);
-	SDL_Surface* CreateSurface(Uint16 w, Uint16 h);
-	SDL_Surface* SetSurface(SDL_Surface*);
-	SDL_Surface* GetSurface() const { return surface; }
-	void FreeSurface();
+	SDL_Texture* Load(SDL_Renderer* renderer, std::string fname);
+	SDL_Texture* Create(SDL_Renderer* renderer, Uint16 w, Uint16 h, SDL_Color blank = {0, 0, 0, 255});
+	SDL_Texture* CopyTexture(SDL_Renderer* renderer, SDL_Texture* ptr);
+	SDL_Texture* SetTexture(SDL_Texture*);
+	SDL_Texture* GetTexture() const;
+	virtual void Free();
 
-	void DrawTo(SDL_Surface* const, Sint16 x, Sint16 y);
+	void DrawTo(SDL_Renderer* const, Sint16 x, Sint16 y, double scaleX = 1.0, double scaleY = 1.0);
+
+	void SetAlpha(Uint8 a);
+	Uint8 GetAlpha();
 
 	//Clip handlers
 	SDL_Rect SetClip(SDL_Rect r) { return clip = r; }
@@ -62,12 +66,8 @@ public:
 
 	bool GetLocal() const { return local; }
 
-	void SetTransparentColor(Uint8 r, Uint8 g, Uint8 b);
-	void ClearTransparentColor();
 protected:
-	SDL_Surface* surface = nullptr;
+	SDL_Texture* texture = nullptr;
 	SDL_Rect clip = {0, 0, 0, 0};
 	bool local = false;
-};
-
-#endif
+};

common/graphics/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=.
+INCLUDES+=. ../utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 
@@ -10,10 +10,6 @@ CXXSRC=$(wildcard *.cpp)
 OBJDIR=obj
 OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
-#output
-OUTDIR=../..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
@@ -30,8 +26,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

common/graphics/render_text_texture.cpp

@@ -0,0 +1,46 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "render_text_texture.hpp"
+
+#include <stdexcept>
+
+SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
+	//make the surface (from SDL_ttf)
+	SDL_Surface* surface = TTF_RenderText_Solid(font, str.c_str(), color);
+	if (!surface) {
+		throw(std::runtime_error("Failed to create a TTF surface"));
+	}
+
+	//convert to texture
+	SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, surface);
+
+	//cleanup
+	SDL_FreeSurface(surface);
+
+	//check
+	if (!texture) {
+		throw(std::runtime_error("Failed to create a TTF texture"));
+	}
+
+	//NOTE: free the texture yourself
+	return texture;
+}

common/graphics/render_text_texture.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,16 +19,11 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef UTILITY_HPP_
-#define UTILITY_HPP_
+#pragma once
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
 
 #include <string>
 
-std::string truncatePath(std::string pathname);
-
-//fixing known bugs in g++
-std::string to_string_custom(int i);
-
-int to_integer_custom(std::string);
-
-#endif
+SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);

common/graphics/sprite_sheet.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -21,82 +21,166 @@
 */
 #include "sprite_sheet.hpp"
 
-#include <stdexcept>
 #include <sstream>
+#include <stdexcept>
+
+SpriteSheet& SpriteSheet::operator=(SpriteSheet const& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Copy the other SpriteSheet's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = false;
+	countX = rhs.countX;
+	countY = rhs.countY;
+	indexX = rhs.indexX;
+	indexY = rhs.indexY;
+	delay = rhs.delay;
+	tick = rhs.tick;
+}
+
+SpriteSheet& SpriteSheet::operator=(SpriteSheet&& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Steal the other SpriteSheet's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = rhs.local;
+	countX = rhs.countX;
+	countY = rhs.countY;
+	indexX = rhs.indexX;
+	indexY = rhs.indexY;
+	delay = rhs.delay;
+	tick = rhs.tick;
+
+	rhs.texture = nullptr;
+	rhs.clip = {0, 0, 0, 0};
+	rhs.local = false;
+	rhs.countX = 0;
+	rhs.countY = 0;
+	rhs.indexX = 0;
+	rhs.indexY = 0;
+	rhs.delay = 0.0;
+	rhs.tick = 0.0;
+}
 
 void SpriteSheet::Update(double delta) {
+	//if the delay has passed
 	if (delay && (tick += delta) >= delay) {
-		if (++xIndex >= xCount) {
-			xIndex = 0;
+		//if the index is out of bounds
+		if (++indexX >= countX) {
+			indexX = 0;
 		}
 		tick = 0;
 	}
-	image.SetClipX(xIndex * image.GetClipW());
-	image.SetClipY(yIndex * image.GetClipH());
+	//modify area drawn
+	clip.x = indexX * clip.w;
+	clip.y = indexY * clip.h;
 }
 
-SDL_Surface* SpriteSheet::LoadSurface(std::string fname, Uint16 xCellCount, Uint16 yCellCount) {
-	image.LoadSurface(fname);
+SDL_Texture* SpriteSheet::Load(SDL_Renderer* r, std::string fname, Uint16 cx, Uint16 cy) {
+	//call the base function
+	Image::Load(r, fname);
 
-	xCount = xCellCount;
-	yCount = yCellCount;
+	//set the metadata
+	countX = cx;
+	countY = cy;
 
-	image.SetClipW(image.GetSurface()->w / xCount);
-	image.SetClipH(image.GetSurface()->h / yCount);
+	//assume clip.x and clip.y were set to the size of the texture
+	//reduce the w & h to the size of one cell
+	clip.w = clip.w / countX;
+	clip.h = clip.h / countY;
 
-	xIndex = yIndex = 0;
+	indexX = indexY = 0;
+	delay = tick = 0.0;
+
+	return texture;
+}
+
+SDL_Texture* SpriteSheet::Create(SDL_Renderer* r, Uint16 w, Uint16 h, Uint16 cx, Uint16 cy) {
+	//call the base function
+	Image::Create(r, w, h);
+
+	//set the metadata
+	countX = cx;
+	countY = cy;
+
+	//assume clip.x and clip.y were set to the size of the texture
+	//reduce the w & h to the size of one cell
+	clip.w = clip.w / countX;
+	clip.h = clip.h / countY;
+
+	indexX = indexY = 0;
+	delay = tick = 0.0;
+
+	return texture;
+}
+
+SDL_Texture* SpriteSheet::SetTexture(SDL_Texture* ptr, Uint16 cx, Uint16 cy) {
+	//call the base function
+	Image::SetTexture(ptr);
+
+	//set the metadata
+	countX = cx;
+	countY = cy;
+
+	//assume clip.x and clip.y were set to the size of the texture
+	//reduce the w & h to the size of one cell
+	clip.w = clip.w / countX;
+	clip.h = clip.h / countY;
+
+	indexX = indexY = 0;
+	delay = tick = 0.0;
+
+	return texture;
+}
+
+void SpriteSheet::Free() {
+	Image::Free();
+	countX = countY = 0;
+	indexX = indexY = 0;
 	delay = tick = 0.0;
 }
 
-SDL_Surface* SpriteSheet::SetSurface(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount) {
-	image.SetSurface(surface);
-
-	xCount = xCellCount;
-	yCount = yCellCount;
-
-	image.SetClipW(image.GetSurface()->w / xCount);
-	image.SetClipH(image.GetSurface()->h / yCount);
-
-	xIndex = yIndex = 0;
-	delay = tick = 0.0;
+Uint16 SpriteSheet::SetCountX(Uint16 i) {
+	indexX = 0;
+	return countX = i;
 }
 
-void SpriteSheet::FreeSurface() {
-	image.FreeSurface();
-	xCount = yCount = 0;
-	xIndex = yIndex = 0;
-	delay = tick = 0.0;
+Uint16 SpriteSheet::SetCountY(Uint16 i) {
+	indexY = 0;
+	return countY = i;
 }
 
-Uint16 SpriteSheet::SetXCount(Uint16 i) {
-	xIndex = 0;
-	return xCount = i;
-}
-
-Uint16 SpriteSheet::SetYCount(Uint16 i) {
-	yIndex = 0;
-	return yCount = i;
-}
-
-Uint16 SpriteSheet::SetXIndex(Uint16 i) {
-	if (i > xCount) {
-		std::ostringstream os;
-		os << "Cannot set x index to " << i;
-		throw(std::invalid_argument(os.str()));
+Uint16 SpriteSheet::SetIndexX(Uint16 i) {
+	if (i > countX) {
+		std::ostringstream msg;
+		msg << "Cannot set index 'x' to " << i;
+		throw(std::out_of_range(msg.str()));
 	}
-	return xIndex = i;
+	return indexX = i;
 }
 
-Uint16 SpriteSheet::SetYIndex(Uint16 i) {
-	if (i > yCount) {
-		std::ostringstream os;
-		os << "Cannot set y index to " << i;
-		throw(std::invalid_argument(os.str()));
+Uint16 SpriteSheet::SetIndexY(Uint16 i) {
+	if (i > countY) {
+		std::ostringstream msg;
+		msg << "Cannot set index 'y' to " << i;
+		throw(std::invalid_argument(msg.str()));
 	}
-	return yIndex = i;
+	return indexY = i;
 }
 
 double SpriteSheet::SetDelay(double d) {
 	tick = 0;
 	return delay = d;
-}
+}

common/graphics/sprite_sheet.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,48 +19,52 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef SPRITESHEET_HPP_
-#define SPRITESHEET_HPP_
+#pragma once
 
 #include "image.hpp"
 
-class SpriteSheet {
+class SpriteSheet : public Image {
 public:
 	SpriteSheet() = default;
-	SpriteSheet(std::string fname, Uint16 xCellCount, Uint16 yCellCount) { LoadSurface(fname, xCellCount, yCellCount); }
-	SpriteSheet(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount) { SetSurface(surface, xCellCount, yCellCount); }
-	~SpriteSheet() { FreeSurface(); };
+	SpriteSheet(SpriteSheet const& rhs) { *this = rhs; }
+	SpriteSheet(SpriteSheet&& rhs) { *this = std::move(rhs); }
+	SpriteSheet(SDL_Renderer* r, std::string fname, Uint16 cx, Uint16 cy)
+		{ Load(r, fname, cx, cy); }
+	SpriteSheet(SDL_Renderer* r, Uint16 w, Uint16 h, Uint16 cx, Uint16 cy)
+		{ Create(r, w, h, cx, cy); }
+	SpriteSheet(SDL_Texture* p, Uint16 cx, Uint16 cy)
+		{ SetTexture(p, cx, cy); }
+	~SpriteSheet() = default;
+
+	SpriteSheet& operator=(SpriteSheet const&);
+	SpriteSheet& operator=(SpriteSheet&&);
 
 	void Update(double delta);
 
-	SDL_Surface* LoadSurface(std::string fname, Uint16 xCellCount, Uint16 yCellCount);
-	SDL_Surface* SetSurface(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount);
-	SDL_Surface* GetSurface() { return image.GetSurface(); }
-	void FreeSurface();
+	SDL_Texture* Load(SDL_Renderer*, std::string fname, Uint16 cx, Uint16 cy);
+	SDL_Texture* Create(SDL_Renderer*, Uint16 w, Uint16 h, Uint16 cx, Uint16 cy);
+	SDL_Texture* SetTexture(SDL_Texture*, Uint16 cx, Uint16 cy);
+	void Free() override;
 
-	void DrawTo(SDL_Surface* const dest, Sint16 x, Sint16 y) { image.DrawTo(dest, x, y); }
+	Uint16 SetCountX(Uint16);
+	Uint16 SetCountY(Uint16);
+	Uint16 SetIndexX(Uint16);
+	Uint16 SetIndexY(Uint16);
 
-	//accessors and mutators
-	Image* GetImage() { return ℑ } //OO breaker
-
-	Uint16 SetXCount(Uint16);
-	Uint16 SetYCount(Uint16);
-	Uint16 SetXIndex(Uint16);
-	Uint16 SetYIndex(Uint16);
-
-	Uint16 GetXCount() const { return xCount; }
-	Uint16 GetYCount() const { return yCount; }
-	Uint16 GetXIndex() const { return xIndex; }
-	Uint16 GetYIndex() const { return yIndex; }
+	Uint16 GetCountX() const { return countX; }
+	Uint16 GetCountY() const { return countY; }
+	Uint16 GetIndexX() const { return indexX; }
+	Uint16 GetIndexY() const { return indexY; }
 
 	double SetDelay(double d);
 	double GetDelay() const { return delay; }
 
 private:
-	Image image;
-	Uint16 xCount = 0, yCount = 0; //number of cells
-	Uint16 xIndex = 0, yIndex = 0; //current cell being drawn
+	Uint16 countX = 0, countY = 0, indexX = 0, indexY = 0;
 	double delay = 0.0, tick = 0.0;
-};
 
-#endif
+	//disable access
+	using Image::Load;
+	using Image::Create;
+	using Image::SetTexture;
+};

common/graphics/text_box.cpp

@@ -0,0 +1,75 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "text_box.hpp"
+
+#include <stdexcept>
+
+TextBox::TextBox() {
+	//
+}
+
+TextBox::~TextBox() {
+	//
+}
+
+void TextBox::DrawTo(SDL_Renderer* renderer) {
+	int renderY = posY;
+	for (std::list<TextLine>::iterator it = lineList.begin(); it != lineList.end(); it++) {
+		it->SetX(posX);
+		it->SetY(renderY);
+		it->DrawTo(renderer);
+		renderY += it->GetPointHeight();
+	}
+}
+
+void TextBox::PushLine(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
+	lineList.emplace_back(renderer, font, color, str, 0, 0);
+}
+
+void TextBox::PopLine(int num) {
+	//prevent underflow
+	num < lineList.size() ? num : lineList.size();
+
+	for (int i = 0; i < num; ++i) {
+		lineList.pop_front();
+	}
+}
+
+void TextBox::ClearLines() {
+	lineList.clear();
+}
+
+int TextBox::SetX(int i) {
+	return posX = i;
+}
+
+int TextBox::SetY(int i) {
+	return posY = i;
+}
+
+int TextBox::GetX() const {
+	return posX;
+}
+
+int TextBox::GetY() const {
+	return posY;
+}

common/graphics/text_box.hpp

@@ -0,0 +1,51 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "text_line.hpp"
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+#include <list>
+
+class TextBox {
+public:
+	TextBox();
+	~TextBox();
+
+	void DrawTo(SDL_Renderer*);
+
+	void PushLine(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
+	void PopLine(int num = 1);
+	void ClearLines();
+
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
+private:
+	std::list<TextLine> lineList;
+	int posX = 0, posY = 0;
+};

common/graphics/text_field.cpp

@@ -0,0 +1,109 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "text_field.hpp"
+
+#include "render_text_texture.hpp"
+
+TextField::TextField() {
+	//
+}
+
+TextField::~TextField() {
+	SDL_DestroyTexture(texture);
+}
+
+void TextField::DrawTo(SDL_Renderer* renderer) {
+	if (!texture) {
+		return;
+	}
+	SDL_Rect dclip = {posX, posY, 0, 0};
+	SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
+	SDL_RenderCopy(renderer, texture, nullptr, &dclip);
+}
+
+std::string TextField::PushText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
+	text += s;
+	return SetText(renderer, font, color, text);
+}
+
+std::string TextField::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string s) {
+	text = s;
+	SDL_DestroyTexture(texture);
+	if (text.size()) {
+		texture = renderTextTexture(renderer, font, color, text);
+	}
+	else {
+		texture = nullptr;
+	}
+	return text;
+}
+
+std::string TextField::PopChars(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, int i) {
+	if (text.size() > 0) {
+		text.erase(text.size() - i);
+	}
+	return SetText(renderer, font, color, text);
+}
+
+std::string TextField::GetText() {
+	return text;
+}
+
+bool TextField::MouseButtonDown(SDL_MouseButtonEvent const& event) {
+	BoundingBox cursorBox = {event.x, event.y, 0, 0};
+	BoundingBox fieldBox = bounds;
+	fieldBox.x += posX;
+	fieldBox.y += posY;
+	return focus = fieldBox.CheckOverlap(cursorBox);
+}
+
+BoundingBox TextField::SetBounds(BoundingBox b) {
+	return bounds = b;
+}
+
+BoundingBox TextField::GetBounds() {
+	return bounds;
+}
+
+bool TextField::SetFocus(bool b) {
+	return focus = b;
+}
+
+bool TextField::GetFocus() {
+	return focus;
+}
+
+int TextField::SetX(int i) {
+	return posX = i;
+}
+
+int TextField::SetY(int i) {
+	return posY = i;
+}
+
+int TextField::GetX() const {
+	return posX;
+}
+
+int TextField::GetY() const {
+	return posY;
+}

common/graphics/text_field.hpp

@@ -0,0 +1,65 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "bounding_box.hpp"
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+
+class TextField {
+public:
+	TextField();
+	~TextField();
+
+	void DrawTo(SDL_Renderer*);
+
+	//input
+	std::string PushText(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
+	std::string SetText(SDL_Renderer*, TTF_Font*, SDL_Color color, std::string);
+	std::string PopChars(SDL_Renderer*, TTF_Font*, SDL_Color color, int i);
+
+	std::string GetText();
+
+	bool MouseButtonDown(SDL_MouseButtonEvent const& event);
+
+	BoundingBox SetBounds(BoundingBox b);
+	BoundingBox GetBounds();
+
+	bool SetFocus(bool b);
+	bool GetFocus();
+
+	//accessors & mutators
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
+private:
+	SDL_Texture* texture = nullptr;
+	std::string text;
+	BoundingBox bounds;
+	bool focus = false;
+	int posX = 0, posY = 0;
+};

common/graphics/text_line.cpp

@@ -0,0 +1,78 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "text_line.hpp"
+
+#include "render_text_texture.hpp"
+
+#include <stdexcept>
+
+TextLine::TextLine() {
+	//
+}
+
+TextLine::TextLine(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str, int x, int y) {
+	SetText(renderer, font, color, str);
+	posX = x;
+	posY = y;
+}
+
+TextLine::~TextLine() {
+	ClearText();
+}
+
+void TextLine::DrawTo(SDL_Renderer* renderer) {
+	SDL_Rect dclip = {posX, posY, 0, 0};
+	SDL_QueryTexture(texture, nullptr, nullptr, &dclip.w, &dclip.h);
+	SDL_RenderCopy(renderer, texture, nullptr, &dclip);
+}
+
+void TextLine::SetText(SDL_Renderer* renderer, TTF_Font* font, SDL_Color color, std::string str) {
+	//just use the above global function
+	SDL_DestroyTexture(texture);
+	texture = renderTextTexture(renderer, font, color, str);
+	pointHeight = TTF_FontHeight(font);
+}
+
+void TextLine::ClearText() {
+	SDL_DestroyTexture(texture);
+	pointHeight = 0;
+}
+
+int TextLine::SetX(int i) {
+	return posX = i;
+}
+
+int TextLine::SetY(int i) {
+	return posY = i;
+}
+
+int TextLine::GetX() const {
+	return posX;
+}
+
+int TextLine::GetY() const {
+	return posY;
+}
+
+int TextLine::GetPointHeight() {
+	return pointHeight;
+}

common/graphics/text_line.hpp

@@ -0,0 +1,53 @@
+/* Copyright: (c) Kayne Ruse 2013-2016
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#pragma once
+
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
+
+class TextLine {
+public:
+	TextLine();
+	TextLine(SDL_Renderer*, TTF_Font*, SDL_Color, std::string, int x, int y);
+	virtual ~TextLine();
+
+	void DrawTo(SDL_Renderer*);
+
+	void SetText(SDL_Renderer*, TTF_Font*, SDL_Color, std::string);
+	void ClearText();
+
+	//accessors & mutators
+	int SetX(int i);
+	int SetY(int i);
+	int GetX() const;
+	int GetY() const;
+
+	//utility
+	int GetPointHeight();
+
+protected:
+	SDL_Texture* texture = nullptr;
+	int posX = 0, posY = 0;
+	int pointHeight = 0; //internal use for TextBox
+};

common/makefile

@@ -1,13 +1,28 @@
-all:
+#output
+export OUTDIR=..
+export OUT=$(addprefix $(OUTDIR)/,libcommon.a)
+
+all: $(OUTDIR)
 	$(MAKE) -C debugging
 	$(MAKE) -C gameplay
 	$(MAKE) -C graphics
 	$(MAKE) -C map
 	$(MAKE) -C network
-	$(MAKE) -C ui
 	$(MAKE) -C utilities
 
+debug: export CXXFLAGS+=-g
+debug: clean all
+
+$(OUTDIR):
+	mkdir $(OUTDIR)
+
 clean:
+ifeq ($(OS),Windows_NT)
 	$(RM) *.o *.a *.exe
+else ifeq ($(shell uname), Linux)
+	find . -type f -name *.o -exec rm -f -r -v {} \;
+	find . -type f -name *.a -exec rm -f -r -v {} \;
+	rm -f -v out/client out/server
+endif
 
 rebuild: clean all

common/map/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. ../graphics ../utilities
+INCLUDES+=. ../graphics
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 
@@ -10,10 +10,6 @@ CXXSRC=$(wildcard *.cpp)
 OBJDIR=obj
 OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
-#output
-OUTDIR=../..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
@@ -30,8 +26,3 @@ $(OUTDIR):
 
 $(OBJDIR)/%.o: %.cpp
 	$(CXX) $(CXXFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

common/map/map_system_api.cpp

@@ -1,57 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "map_system_api.hpp"
-
-//all map API headers
-#include "region_api.hpp"
-#include "region_pager_api.hpp"
-#include "tile_sheet_api.hpp"
-
-//useful "globals"
-//...
-
-//This mimics linit.c to create a nested collection of all map modules.
-static const luaL_Reg funcs[] = {
-	{nullptr, nullptr}
-};
-
-static const luaL_Reg libs[] = {
-	{"Region", openRegionAPI},
-	{"RegionPager", openRegionPagerAPI},
-//	{"TileSheet", openTileSheetAPI},
-	{nullptr, nullptr}
-};
-
-int openMapSystemAPI(lua_State* L) {
-	//create the table
-	luaL_newlibtable(L, libs);
-
-	//push the "global" functions
-	luaL_setfuncs(L, funcs, 0);
-
-	//push the substable
-	for (const luaL_Reg* lib = libs; lib->func; lib++) {
-		lib->func(L);
-		lua_setfield(L, -2, lib->name);
-	}
-	return 1;
-}

common/map/map_system_api.hpp

@@ -1,34 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef MAPSYSTEMAPI_HPP_
-#define MAPSYSTEMAPI_APP_
-
-#if defined(__MINGW32__)
- #include "lua/lua.hpp"
-#else
- #include "lua.hpp"
-#endif
-
-#define TORTUGA_MAP_SYSTEM_API "map_system"
-LUAMOD_API int openMapSystemAPI(lua_State* L);
-
-#endif

common/map/region.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -42,18 +42,30 @@ Region::Region(Region const& rhs): x(rhs.x), y(rhs.y) {
 }
 
 Region::type_t Region::SetTile(int x, int y, int z, type_t v) {
+	if (x < 0 || y < 0 || z < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT || z >= REGION_DEPTH) {
+		throw(std::out_of_range("Region::SetTile() argument out of range"));
+	}
 	return tiles[x][y][z] = v;
 }
 
-Region::type_t Region::GetTile(int x, int y, int z) {
+Region::type_t Region::GetTile(int x, int y, int z) const {
+	if (x < 0 || y < 0 || z < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT || z >= REGION_DEPTH) {
+		throw(std::out_of_range("Region::GetTile() argument out of range"));
+	}
 	return tiles[x][y][z];
 }
 
 bool Region::SetSolid(int x, int y, bool b) {
+	if (x < 0 || y < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT) {
+		throw(std::out_of_range("Region::SetSolid() argument out of range"));
+	}
 	return solid[x * REGION_WIDTH + y] = b;
 }
 
-bool Region::GetSolid(int x, int y) {
+bool Region::GetSolid(int x, int y) const {
+	if (x < 0 || y < 0 || x >= REGION_WIDTH || y >= REGION_HEIGHT) {
+		throw(std::out_of_range("Region::GetSolid() argument out of range"));
+	}
 	return solid[x * REGION_WIDTH + y];
 }
 

common/map/region.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef REGION_HPP_
-#define REGION_HPP_
+#pragma once
 
 #include <bitset>
 
@@ -42,10 +41,10 @@ public:
 	~Region() = default;
 
 	type_t SetTile(int x, int y, int z, type_t v);
-	type_t GetTile(int x, int y, int z);
+	type_t GetTile(int x, int y, int z) const;
 
 	bool SetSolid(int x, int y, bool b);
-	bool GetSolid(int x, int y);
+	bool GetSolid(int x, int y) const;
 
 	//accessors
 	int GetX() const;
@@ -53,11 +52,11 @@ public:
 
 	std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset();
 private:
+	friend class TileSheet;
+
 	const int x;
 	const int y;
 
 	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH];
 	std::bitset<REGION_WIDTH*REGION_HEIGHT> solid;
 };
-
-#endif

common/map/region_api.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages

common/map/region_api.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,16 +19,9 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef REGIONAPI_HPP_
-#define REGIONAPI_HPP_
+#pragma once
 
-#if defined(__MINGW32__)
- #include "lua/lua.hpp"
-#else
- #include "lua.hpp"
-#endif
+#include "lua.hpp"
 
-#define TORTUGA_REGION_NAME "region"
+#define TORTUGA_REGION_API "region"
 LUAMOD_API int openRegionAPI(lua_State* L);
-
-#endif

common/map/region_pager_api.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -25,6 +25,7 @@
 #include "region.hpp"
 
 //DOCS: These glue functions simply wrap RegionPagerLua's methods
+//NOTE: zero indexing is used here, but not in the region API
 
 static int setTile(lua_State* L) {
 	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));

common/map/region_pager_api.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,16 +19,9 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef REGIONPAGERAPI_HPP_
-#define REGIONPAGERAPI_HPP_
+#pragma once
 
-#if defined(__MINGW32__)
- #include "lua/lua.hpp"
-#else
- #include "lua.hpp"
-#endif
+#include "lua.hpp"
 
-#define TORTUGA_REGION_PAGER_NAME "region_pager"
+#define TORTUGA_REGION_PAGER_API "region_pager"
 LUAMOD_API int openRegionPagerAPI(lua_State* L);
-
-#endif

common/map/region_pager_base.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -33,6 +33,7 @@ Region::type_t RegionPagerBase::SetTile(int x, int y, int z, Region::type_t v) {
 	return ptr->SetTile(x - ptr->GetX(), y - ptr->GetY(), z, v);
 }
 
+//Bug Origin?
 Region::type_t RegionPagerBase::GetTile(int x, int y, int z) {
 	Region* ptr = GetRegion(x, y);
 	return ptr->GetTile(x - ptr->GetX(), y - ptr->GetY(), z);

common/map/region_pager_base.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef REGIONPAGERBASE_HPP_
-#define REGIONPAGERBASE_HPP_
+#pragma once
 
 #include "region.hpp"
 
@@ -57,5 +56,3 @@ public:
 protected:
 	std::list<Region> regionList;
 };
-
-#endif

common/map/region_pager_lua.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -23,9 +23,6 @@
 
 #include <stdexcept>
 
-//DOCS: Load, Save and Create fail unless the lua function has been set
-//DOCS: UnloadIf and UnloadAll will still continue without the function set
-
 RegionPagerLua::~RegionPagerLua() {
 	//unload all regions
 	UnloadAll();
@@ -44,6 +41,7 @@ Region* RegionPagerLua::LoadRegion(int x, int y) {
 	//check if this function is available
 	if (lua_isnil(lua, -1)) {
 		lua_pop(lua, 1);
+		//signal that there is no load function
 		return nullptr;
 	}
 
@@ -57,17 +55,20 @@ Region* RegionPagerLua::LoadRegion(int x, int y) {
 	}
 
 	//check the return value, success or failure
-	if (lua_toboolean(lua, -1)) {
+	if (lua_isboolean(lua, -1) && lua_toboolean(lua, -1)) {
 		lua_pop(lua, 1);
+		//push and return the loaded region
 		regionList.push_front(tmpRegion);
 		return &regionList.front();
 	}
 	else {
 		lua_pop(lua, 1);
+		//signal a failure
 		return nullptr;
 	}
 }
 
+//NOTE: this return value seems strange; could replace it with a boolean
 //return the saved region, or nullptr on failure
 Region* RegionPagerLua::SaveRegion(int x, int y) {
 	//get the pager's function from the registry
@@ -76,6 +77,7 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
 	//check if this function is available
 	if (lua_isnil(lua, -1)) {
 		lua_pop(lua, 1);
+		//signal that the region wasn't saved
 		return nullptr;
 	}
 
@@ -83,6 +85,7 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
 	Region* ptr = FindRegion(x, y);
 	if (!ptr) {
 		lua_pop(lua, 1);
+		//signal that there is no save function
 		return nullptr;
 	}
 	lua_pushlightuserdata(lua, ptr);
@@ -93,17 +96,20 @@ Region* RegionPagerLua::SaveRegion(int x, int y) {
 	}
 
 	//check the return value, success or failure
-	if (lua_toboolean(lua, -1)) {
+	if (lua_isboolean(lua, -1) && lua_toboolean(lua, -1)) {
 		lua_pop(lua, 1);
+		//return the specified region that was saved
 		return ptr;
 	}
 	else {
 		lua_pop(lua, 1);
+		//signal a failure
 		return nullptr;
 	}
 }
 
-//return the created region, or nullptr on failure
+//DOCS: since this method is the last ditch call from GetRegion, it must return a valid region object, even if the create function hasn't been set.
+//return a new region, throwing an error on failure
 Region* RegionPagerLua::CreateRegion(int x, int y) {
 	if (FindRegion(x, y)) {
 		throw(std::logic_error("Cannot overwrite an existing region"));
@@ -115,7 +121,9 @@ Region* RegionPagerLua::CreateRegion(int x, int y) {
 	//check if this function is available
 	if (lua_isnil(lua, -1)) {
 		lua_pop(lua, 1);
-		return nullptr;
+		//return an empty region object
+		regionList.emplace_front(x, y);
+		return &regionList.front();
 	}
 
 	//something to work on

common/map/region_pager_lua.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,20 +19,17 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef REGIONPAGERLUA_HPP_
-#define REGIONPAGERLUA_HPP_
+#pragma once
 
 #include "region_pager_base.hpp"
 
-#if defined(__MINGW32__)
- #include "lua/lua.hpp"
-#else
- #include "lua.hpp"
-#endif
+#include "lua.hpp"
 
 #include <functional>
 #include <string>
 
+//DOCS: set the lua hook before use
+
 class RegionPagerLua : public RegionPagerBase {
 public:
 	RegionPagerLua() = default;
@@ -69,5 +66,3 @@ protected:
 	int createRef = LUA_NOREF;
 	int unloadRef = LUA_NOREF;
 };
-
-#endif

common/map/tile_sheet.cpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -21,41 +21,104 @@
 */
 #include "tile_sheet.hpp"
 
-void TileSheet::Load(std::string fname, int tileWidth, int tileHeight) {
-	image.LoadSurface(fname);
-	image.SetClipW(tileWidth);
-	image.SetClipH(tileHeight);
-	xCount = image.GetSurface()->w / image.GetClipW();
-	yCount = image.GetSurface()->h / image.GetClipH();
+#include <stdexcept>
+
+TileSheet& TileSheet::operator=(TileSheet const& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Copy the other TileSheet's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = false;
+	countX = rhs.countX;
+	countY = rhs.countY;
 }
 
-void TileSheet::Unload() {
-	image.FreeSurface();
-	xCount = yCount = 0;
+TileSheet& TileSheet::operator=(TileSheet&& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Copy the other TileSheet's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = false;
+	countX = rhs.countX;
+	countY = rhs.countY;
+
+	rhs.texture = nullptr;
+	rhs.clip = {0, 0, 0, 0};
+	rhs.local = false;
+	rhs.countX = 0;
+	rhs.countY = 0;
 }
 
-void TileSheet::DrawTileTo(SDL_Surface* const dest, int x, int y, Region::type_t tile) {
-	//0 is invisible
-	if (tile == 0) return;
-	image.SetClipX((tile-1) % xCount * image.GetClipW());
-	image.SetClipY((tile-1) / xCount * image.GetClipH());
-	image.DrawTo(dest, x, y);
+void TileSheet::Load(SDL_Renderer* renderer, std::string fname, int tileWidth, int tileHeight) {
+	Image::Load(renderer, fname);
+	countX = clip.w / tileWidth;
+	countY = clip.h / tileHeight;
+	clip.w = tileWidth;
+	clip.h = tileHeight;
 }
 
-void TileSheet::DrawRegionTo(SDL_Surface* const dest, Region* const region, int camX, int camY) {
+SDL_Texture* TileSheet::SetTexture(SDL_Texture* ptr, int tileWidth, int tileHeight) {
+	Image::SetTexture(ptr);
+	countX = clip.w / tileWidth;
+	countY = clip.h / tileHeight;
+	clip.w = tileWidth;
+	clip.h = tileHeight;
+}
+
+void TileSheet::Free() {
+	Image::Free();
+	countX = countY = 0;
+}
+
+void TileSheet::DrawLayerTo(SDL_Renderer* const renderer, Region* const region, int layer, int camX, int camY, double scaleX, double scaleY) {
+	//TODO: (2) empty
+}
+
+void TileSheet::DrawRegionTo(SDL_Renderer* const renderer, Region* const region, int camX, int camY, double scaleX, double scaleY) {
+	//NOTE: TileSheet is a friend class of Region
+	//reimplementing DrawTo() to improve performance (less indirection)
+	if (!texture) {
+		throw(std::logic_error("No image texture to draw"));
+	}
+
+	//the local variables
+	SDL_Rect sclip = {0, 0, clip.w, clip.h};
+	SDL_Rect dclip = {0, 0, Uint16(clip.w * scaleX), Uint16(clip.h * scaleY)};
 	Region::type_t tile = 0;
+
+	//for each tile
 	for (register int i = 0; i < REGION_WIDTH; ++i) {
 		for (register int j = 0; j < REGION_HEIGHT; ++j) {
 			for (register int k = 0; k < REGION_DEPTH; ++k) {
-				tile = region->GetTile(i, j, k);
+				//get the value to skip expensive lookups
+				tile = region->tiles[i][j][k];
+
 				//0 is invisible
 				if (tile == 0) continue;
-				image.SetClipX((tile-1) % xCount * image.GetClipW());
-				image.SetClipY((tile-1) / xCount * image.GetClipH());
-				image.DrawTo(dest,
-					(region->GetX() + i) * image.GetClipW() - camX,
-					(region->GetY() + j) * image.GetClipH() - camY);
+
+				//set the sclip
+				sclip.x = (tile-1) % countX * clip.h;
+				sclip.y = (tile-1) / countX * clip.w;
+
+				//set the dclip
+				dclip.x = ((region->x + i) * clip.w - camX) * scaleX;
+				dclip.y = ((region->y + j) * clip.h - camY) * scaleY;
+
+				//draw
+				SDL_RenderCopy(renderer, texture, &sclip, &dclip);
 			}
 		}
 	}
-}
+}

common/map/tile_sheet.hpp

@@ -1,4 +1,4 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
+/* Copyright: (c) Kayne Ruse 2013-2016
  * 
  * This software is provided 'as-is', without any express or implied
  * warranty. In no event will the authors be held liable for any damages
@@ -19,8 +19,7 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef TILESHEET_HPP_
-#define TILESHEET_HPP_
+#pragma once
 
 #include "region.hpp"
 
@@ -28,27 +27,41 @@
 
 #include <string>
 
-class TileSheet {
+class TileSheet : public Image {
 public:
 	TileSheet() = default;
-	TileSheet(std::string f, int w, int h) { Load(f, w, h); }
+	TileSheet(TileSheet const& rhs) { *this = rhs; }
+	TileSheet(TileSheet&& rhs) { *this = std::move(rhs); }
+	TileSheet(SDL_Renderer* r, std::string fn, int tw, int th) { Load(r, fn, tw, th); }
+	TileSheet(SDL_Texture* p, int tw, int th) { SetTexture(p, tw, th); }
 	~TileSheet() = default;
 
-	void Load(std::string fname, int tileWidth, int tileHeight);
-	void Unload();
+	TileSheet& operator=(TileSheet const&);
+	TileSheet& operator=(TileSheet&&);
 
-	void DrawTileTo(SDL_Surface* const dest, int x, int y, Region::type_t tile);
-	void DrawRegionTo(SDL_Surface* const dest, Region* const region, int camX, int camY);
+	void Load(SDL_Renderer*, std::string fname, int tileWidth, int tileHeight);
+	SDL_Texture* SetTexture(SDL_Texture*, int tileWidth, int tileHeight);
+	void Free() override;
+
+	void DrawLayerTo(SDL_Renderer* const renderer, Region* const region, int layer, int camX, int camY, double scaleX = 1.0, double scaleY = 1.0);
+	void DrawRegionTo(SDL_Renderer* const renderer, Region* const region, int camX, int camY, double scaleX = 1.0, double scaleY = 1.0);
 
 	//accessors
-	Image* GetImage() { return &image; }
-	int GetXCount() { return xCount; }
-	int GetYCount() { return yCount; }
-	int GetTileW() { return image.GetClipW(); }
-	int GetTileH() { return image.GetClipH(); }
-private:
-	Image image;
-	int xCount = 0, yCount = 0;
-};
+	//DOCS: Reuse Image::clip for tile sizes
+	int GetCountX() { return countX; }
+	int GetCountY() { return countY; }
+	int GetTileW() { return clip.w; }
+	int GetTileH() { return clip.h; }
 
-#endif
+protected:
+	int countX = 0, countY = 0;
+
+	using Image::Load;
+	using Image::Create;
+	using Image::SetTexture;
+	using Image::SetClip;
+	using Image::SetClipX;
+	using Image::SetClipY;
+	using Image::SetClipW;
+	using Image::SetClipH;
+};

common/map/tile_sheet_api.cpp

@@ -1,75 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013-2015
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "tile_sheet_api.hpp"
-
-#include "tile_sheet.hpp"
-
-static int load(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	sheet->Load(lua_tostring(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
-	return 0;
-}
-
-static int unload(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	sheet->Unload();
-	return 0;
-}
-
-static int getXCount(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetXCount());
-	return 1;
-}
-
-static int getYCount(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetYCount());
-	return 1;
-}
-
-static int getTileW(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetTileW());
-	return 1;
-}
-
-static int getTileH(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetTileH());
-	return 1;
-}
-
-static const luaL_Reg tileSheetLib[] = {
-	{"Load",load},
-	{"Unload",unload},
-	{"GetXCount",getXCount},
-	{"GetYCount",getYCount},
-	{"GetTileW",getTileW},
-	{"GetTileH",getTileH},
-	{nullptr, nullptr}
-};
-
-LUAMOD_API int openTileSheetAPI(lua_State* L) {
-	luaL_newlib(L, tileSheetLib);
-	return 1;
-}