Barriers are working corretly, but are way too slow

.gitmodules

@@ -1,9 +1,3 @@
 [submodule "bin"]
 	path = bin
-	url = https://github.com/krgamestudios/bin.git
+	url = https://github.com/Ratstail91/Tortuga.git
-[submodule "TurtleGUI"]
-	path = TurtleGUI
-	url = https://github.com/krgamestudios/TurtleGUI.git
-[submodule "TurtleMap"]
-	path = TurtleMap
-	url = https://github.com/krgamestudios/TurtleMap.git

README.md

@@ -7,13 +7,7 @@ This game is inspired by classic 2D RPGs (Final Fantasy, The Legend of Zelda), a
 ## Releases
 
 * 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).
+* The most recent stable build for Windows can be found [here](https://dl.dropboxusercontent.com/u/46669050/Tortuga-linux.tar).
-
-## Patreon
-
-If you would like to support the development of Tortuga, please consider becoming a patron below.
-
-* [My Patreon Page](https://patreon.com/user?u=2811779)
 
 ## Documentation
 
@@ -58,4 +52,4 @@ Permission is granted to anyone to use this software for any purpose, including
 ### Items not made by me
 
 * [Coolvetica Font](http://typodermicfonts.com/coolvetica/)
-* Creative Commons Artwork from [Artsader](http://www.moosader.com/artsader/)
+* Creative Commons Artwork from [Artsader](http://www.moosader.com/artsader/)

client/base_scene.cpp

@@ -103,7 +103,3 @@ void BaseScene::KeyDown(SDL_KeyboardEvent const& event) {
 void BaseScene::KeyUp(SDL_KeyboardEvent const& event) {
 	//EMPTY
 }
-
-void BaseScene::TextInput(SDL_TextInputEvent const& event) {
-	//EMPTY
-}

client/base_scene.hpp

@@ -47,9 +47,8 @@ public:
 	virtual void MouseWheel(SDL_MouseWheelEvent const& event);
 	virtual void KeyDown(SDL_KeyboardEvent const& event);
 	virtual void KeyUp(SDL_KeyboardEvent const& event);
-	virtual void TextInput(SDL_TextInputEvent const& event);
 
-	//TODO: joystick and controller events
+	//TODO: (9) joystick and controller events
 
 protected:
 	//control

client/client_application.cpp

@@ -188,12 +188,6 @@ void ClientApplication::Init(int argc, char* argv[]) {
 	DEBUG_INTERNAL_VAR(MAX_PACKET_SIZE);
 	DEBUG_INTERNAL_VAR(static_cast<int>(SerialPacketType::LAST));
 
-	//-------------------------
-	//BUGFIX
-	//-------------------------
-
-	SDL_StopTextInput();
-
 	//-------------------------
 	//finalize the startup
 	//-------------------------
@@ -304,10 +298,6 @@ void ClientApplication::ProcessEvents() {
 				activeScene->KeyUp(event.key);
 			break;
 
-			case SDL_TEXTINPUT:
-				activeScene->TextInput(event.text);
-			break;
-
 			//TODO: (9) joystick and controller events
 
 			//window events are handled internally

client/entities/barrier_manager.cpp

@@ -22,7 +22,7 @@
 #include "barrier_manager.hpp"
 
 void BarrierManager::DrawTo(SDL_Renderer* const dest, Sint16 x, Sint16 y, double scaleX, double scaleY) {
-	for (auto& it : elementMap) {
+	for (auto& it : barrierMap) {
 		it.second.DrawTo(dest, x, y);
 	}
 }
@@ -47,38 +47,26 @@ void BarrierManager::UnloadTemplateImages() {
 }
 
 BaseBarrier* BarrierManager::Create(int index) {
-	elementMap.emplace(index, BaseBarrier(baseImage, templateImages));
+	barrierMap.emplace(index, BaseBarrier(baseImage, templateImages));
-	return &elementMap[index];
+	return &barrierMap[index];
 }
 
 void BarrierManager::Unload(int i) {
-	elementMap.erase(i);
+	barrierMap.erase(i);
 }
 
 void BarrierManager::UnloadAll() {
-	elementMap.clear();
+	barrierMap.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();
+	return barrierMap.size();
 }
 
 BaseBarrier* BarrierManager::Find(int i) {
-	std::map<int, BaseBarrier>::iterator it = elementMap.find(i);
+	std::map<int, BaseBarrier>::iterator it = barrierMap.find(i);
 
-	if (it == elementMap.end()) {
+	if (it == barrierMap.end()) {
 		return nullptr;
 	}
 
@@ -86,7 +74,7 @@ BaseBarrier* BarrierManager::Find(int i) {
 }
 
 std::map<int, BaseBarrier>* BarrierManager::GetContainer() {
-	return &elementMap;
+	return &barrierMap;
 }
 
 std::map<std::string, Image>* BarrierManager::GetTemplateContainer() {

client/entities/barrier_manager.hpp

@@ -23,7 +23,6 @@
 
 #include "base_barrier.hpp"
 
-#include <functional>
 #include <list>
 #include <string>
 
@@ -43,7 +42,6 @@ public:
 	BaseBarrier* Create(int index);
 	void Unload(int i);
 	void UnloadAll();
-	void UnloadIf(std::function<bool(std::pair<const int, BaseBarrier const&>)> fn);
 
 	int Size();
 
@@ -54,5 +52,5 @@ public:
 private:
 	Image baseImage;
 	std::map<std::string, Image> templateImages;
-	std::map<int, BaseBarrier> elementMap;
+	std::map<int, BaseBarrier> barrierMap;
 };

client/entities/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. .. ../../common/global_defines ../../common/utilities ../../TurtleGUI
+INCLUDES+=. .. ../../common/gameplay ../../common/graphics ../../common/utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

client/heartbeat_utility.cpp

@@ -1,58 +0,0 @@
-/* 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/makefile

@@ -1,9 +1,9 @@
 #include directories
-INCLUDES+=. entities scenes ../common/debugging ../common/global_defines ../common/network ../common/network/packet_types ../common/utilities ../TurtleGUI ../TurtleMap
+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 $(LIBS) is important, at least for MinGW
-LIBS+=client.a ../libcommon.a ../libturtlegui.a ../libturtlemap.a -lSDL2_net
+LIBS+=client.a ../common/libcommon.a -lSDL2_net
 ifeq ($(OS),Windows_NT)
 	LIBS+=-lwsock32 -liphlpapi -lmingw32
 endif

client/scenes/disconnected_screen.cpp

@@ -28,8 +28,6 @@
 #include <sstream>
 #include <stdexcept>
 
-constexpr SDL_Color WHITE = {255, 255, 255, 255};
-
 //-------------------------
 //Public access members
 //-------------------------
@@ -51,16 +49,14 @@ DisconnectedScreen::DisconnectedScreen() {
 
 	//setup the button
 	backButton.SetBackgroundTexture(GetRenderer(), image.GetTexture());
-	backButton.SetText(GetRenderer(), font, WHITE, "Back");
+	backButton.SetText(GetRenderer(), font, "Back", COLOR_WHITE);
 
 	//set the button positions
 	backButton.SetX(50);
 	backButton.SetY(50);
 
 	//set the disconnection message text
-	textLine.SetX(50);
+	textLine.SetText(GetRenderer(), font, config["client.disconnectMessage"], {255, 255, 255, 255});
-	textLine.SetY(30);
-	textLine.SetText(GetRenderer(), font, WHITE, config["client.disconnectMessage"]);
 
 	//full reset
 	UDPNetworkUtility::GetSingleton().Unbind(Channels::SERVER);
@@ -96,7 +92,7 @@ void DisconnectedScreen::FrameEnd() {
 
 void DisconnectedScreen::RenderFrame(SDL_Renderer* renderer) {
 	backButton.DrawTo(renderer);
-	textLine.DrawTo(renderer);
+	textLine.DrawTo(renderer, 50, 30);
 }
 
 //-------------------------

client/scenes/lobby_menu.cpp

@@ -27,8 +27,6 @@
 #include <stdexcept>
 #include <sstream>
 
-constexpr SDL_Color WHITE = {255, 255, 255, 255};
-
 //-------------------------
 //Public access members
 //-------------------------
@@ -54,11 +52,11 @@ LobbyMenu::LobbyMenu(int* const argClientIndex, int* const argAccountIndex):
 
 	//setup the buttons
 	searchButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	searchButton.SetText(GetRenderer(), font, WHITE, "Search");
+	searchButton.SetText(GetRenderer(), font, "Search", COLOR_WHITE);
 	joinButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	joinButton.SetText(GetRenderer(), font, WHITE, "Join");
+	joinButton.SetText(GetRenderer(), font, "Join", COLOR_WHITE);
 	backButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	backButton.SetText(GetRenderer(), font, WHITE, "Back");
+	backButton.SetText(GetRenderer(), font, "Back", COLOR_WHITE);
 
 	//set the button positions (assumed)
 	searchButton.SetX(50);
@@ -68,28 +66,7 @@ LobbyMenu::LobbyMenu(int* const argClientIndex, int* const argAccountIndex):
 	backButton.SetX(50);
 	backButton.SetY(90);
 
-	//setup the text fields
-	username.SetText(GetRenderer(), font, WHITE, config["client.username"]);
-	password.SetText(GetRenderer(), font, WHITE, config["client.password"]);
-	handle.SetText(GetRenderer(), font, WHITE, config["client.handle"]);
-	avatar.SetText(GetRenderer(), font, WHITE, config["client.avatar"]);
-
-	username.SetBounds(BoundingBox{0, 0, 300, 20});
-	password.SetBounds(BoundingBox{0, 0, 300, 20});
-	handle.SetBounds(BoundingBox{0, 0, 300, 20});
-	avatar.SetBounds(BoundingBox{0, 0, 300, 20});
-
-	username.SetX(50);
-	username.SetY(110);
-	password.SetX(50);
-	password.SetY(130);
-	handle.SetX(50);
-	handle.SetY(150);
-	avatar.SetX(50);
-	avatar.SetY(170);
-
 	//pseudo-list selection
-	//TODO: move this into the UI library?
 	boundingBox = {300, 50, 200, 12};
 
 	//hacked together a highlight box
@@ -135,11 +112,6 @@ void LobbyMenu::RenderFrame(SDL_Renderer* renderer) {
 	joinButton.DrawTo(renderer);
 	backButton.DrawTo(renderer);
 
-	username.DrawTo(renderer);
-	password.DrawTo(renderer);
-	handle.DrawTo(renderer);
-	avatar.DrawTo(renderer);
-
 	//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++) {
@@ -149,13 +121,8 @@ void LobbyMenu::RenderFrame(SDL_Renderer* renderer) {
 		}
 
 		//draw the server's info
-		serverVector[i].nameImage.SetX(boundingBox.x);
+		serverVector[i].nameImage.DrawTo(renderer, boundingBox.x, boundingBox.y + boundingBox.h * i);
-		serverVector[i].nameImage.SetY(boundingBox.y + boundingBox.h * i);
+		serverVector[i].playerCountImage.DrawTo(renderer, boundingBox.x+276, boundingBox.y + boundingBox.h * i);
-		serverVector[i].nameImage.DrawTo(renderer);
-
-		serverVector[i].playerCountImage.SetX(boundingBox.x+276);
-		serverVector[i].playerCountImage.SetY(boundingBox.y + boundingBox.h * i);
-		serverVector[i].playerCountImage.DrawTo(renderer);
 	}
 }
 
@@ -173,35 +140,6 @@ void LobbyMenu::MouseButtonDown(SDL_MouseButtonEvent const& event) {
 	searchButton.MouseButtonDown(event);
 	joinButton.MouseButtonDown(event);
 	backButton.MouseButtonDown(event);
-
-	if (username.MouseButtonDown(event)) {
-		//GUI trick
-		if (!username.GetText().compare(config["client.username"])) {
-			username.SetText(GetRenderer(), font, WHITE, "");
-		}
-		SDL_StartTextInput();
-	}
-	if (password.MouseButtonDown(event)) {
-		//GUI trick
-		if (!password.GetText().compare(config["client.password"])) {
-			password.SetText(GetRenderer(), font, WHITE, "");
-		}
-		SDL_StartTextInput();
-	}
-	if (handle.MouseButtonDown(event)) {
-		//GUI trick
-		if (!handle.GetText().compare(config["client.handle"])) {
-			handle.SetText(GetRenderer(), font, WHITE, "");
-		}
-		SDL_StartTextInput();
-	}
-	if (avatar.MouseButtonDown(event)) {
-		//GUI trick
-		if (!avatar.GetText().compare(config["client.avatar"])) {
-			avatar.SetText(GetRenderer(), font, WHITE, "");
-		}
-		SDL_StartTextInput();
-	}
 }
 
 void LobbyMenu::MouseButtonUp(SDL_MouseButtonEvent const& event) {
@@ -236,22 +174,6 @@ void LobbyMenu::KeyDown(SDL_KeyboardEvent const& event) {
 		case SDLK_ESCAPE:
 			SetSceneSignal(SceneSignal::MAINMENU);
 		break;
-
-		case SDLK_BACKSPACE:
-			//easier than mucking about with SDL_TextEditEvent
-			if (username.GetFocus()) {
-				username.PopChars(GetRenderer(), font, WHITE, 1);
-			}
-			if (password.GetFocus()) {
-				password.PopChars(GetRenderer(), font, WHITE, 1);
-			}
-			if (handle.GetFocus()) {
-				handle.PopChars(GetRenderer(), font, WHITE, 1);
-			}
-			if (avatar.GetFocus()) {
-				avatar.PopChars(GetRenderer(), font, WHITE, 1);
-			}
-		break;
 	}
 }
 
@@ -259,21 +181,6 @@ void LobbyMenu::KeyUp(SDL_KeyboardEvent const& event) {
 	//
 }
 
-void LobbyMenu::TextInput(SDL_TextInputEvent const& event) {
-	if (username.GetFocus()) {
-		username.PushText(GetRenderer(), font, WHITE, std::string(event.text));
-	}
-	if (password.GetFocus()) {
-		password.PushText(GetRenderer(), font, WHITE, std::string(event.text));
-	}
-	if (handle.GetFocus()) {
-		handle.PushText(GetRenderer(), font, WHITE, std::string(event.text));
-	}
-	if (avatar.GetFocus()) {
-		avatar.PushText(GetRenderer(), font, WHITE, std::string(event.text));
-	}
-}
-
 //-------------------------
 //Network handlers
 //-------------------------
@@ -341,8 +248,8 @@ void LobbyMenu::HandleBroadcastResponse(ServerPacket* const argPacket) {
 	};
 
 	//text graphics
-	serverVector.back().nameImage.SetText(GetRenderer(), font, color, newServer.name);
+	serverVector.back().nameImage.SetText(GetRenderer(), font, newServer.name, color);
-	serverVector.back().playerCountImage.SetText(GetRenderer(), font, color, itoa_base10(newServer.playerCount));
+	serverVector.back().playerCountImage.SetText(GetRenderer(), font, itoa_base10(newServer.playerCount), color);
 }
 
 void LobbyMenu::HandleJoinResponse(ClientPacket* const argPacket) {
@@ -363,19 +270,11 @@ void LobbyMenu::HandleLoginResponse(ClientPacket* const argPacket) {
 }
 
 void LobbyMenu::HandleJoinRejection(TextPacket* const argPacket) {
-	//NOTE: NEVER HAPPENS
+	//TODO: (9) LobbyMenu::HandleJoinRejection()
-	throw(std::runtime_error("HandleJoinRejection"));
 }
 
 void LobbyMenu::HandleLoginRejection(TextPacket* const argPacket) {
-	config["client.disconnectMessage"] = std::string() + "Join request rejected: " + argPacket->text;
+	//TODO: (9) LobbyMenu::HandleLoginRejection
-	SetSceneSignal(SceneSignal::DISCONNECTEDSCREEN);
-
-	//avoid crashes from the heartbeat system
-	ClientPacket newPacket;
-	newPacket.type = SerialPacketType::DISCONNECT_REQUEST;
-	newPacket.clientIndex = clientIndex;
-	network.SendTo(argPacket->srcAddress, &newPacket);
 }
 
 //-------------------------
@@ -383,27 +282,24 @@ void LobbyMenu::HandleLoginRejection(TextPacket* const argPacket) {
 //-------------------------
 
 void LobbyMenu::SendBroadcastRequest() {
-	//broadcast to the home server, and to the LAN
+	//broadcast to the network, or a specific server
-	ClientPacket packet;
+		ClientPacket packet;
+		packet.type = SerialPacketType::BROADCAST_REQUEST;
+		network.SendTo(config["server.host"].c_str(), config.Int("server.port"), &packet);
 
-	packet.type = SerialPacketType::BROADCAST_REQUEST;
+		//reset the server list
-	network.SendTo(config["server.home"].c_str(), config.Int("server.port"), &packet);
+		serverVector.clear();
-	network.SendTo(config["server.host"].c_str(), config.Int("server.port"), &packet);
+		selection = nullptr;
-
-	//reset the server list
-	serverVector.clear();
-	selection = nullptr;
 }
 
 void LobbyMenu::SendJoinRequest() {
-	//BUG: 101 received in LobbyMenu on failed join
 	//pack the packet
-	ClientPacket packet;
+		ClientPacket packet;
-	packet.type = SerialPacketType::JOIN_REQUEST;
+		packet.type = SerialPacketType::JOIN_REQUEST;
 
-	//join the selected server
+		//join the selected server
-	network.SendTo(selection->address, &packet);
+		network.SendTo(selection->address, &packet);
-	selection = nullptr;
+		selection = nullptr;
 }
 
 void LobbyMenu::SendLoginRequest() {
@@ -412,13 +308,7 @@ void LobbyMenu::SendLoginRequest() {
 	ClientPacket packet;
 	packet.type = SerialPacketType::LOGIN_REQUEST;
 	packet.clientIndex = clientIndex;
-	strncpy(packet.username, username.GetText().c_str(), PACKET_STRING_SIZE+1);
+	strncpy(packet.username, config["client.username"].c_str(), PACKET_STRING_SIZE+1);
 
 	network.SendTo(Channels::SERVER, &packet);
-
-	//TODO: remove
-	config["client.username"] = username.GetText();
-	config["client.password"] = password.GetText();
-	config["client.handle"] = handle.GetText();
-	config["client.avatar"] = avatar.GetText();
 }

client/scenes/lobby_menu.hpp

@@ -25,7 +25,6 @@
 #include "image.hpp"
 #include "button.hpp"
 #include "bounding_box.hpp"
-#include "text_field.hpp"
 #include "text_line.hpp"
 
 #include "SDL2/SDL_ttf.h"
@@ -62,7 +61,6 @@ protected:
 	void MouseWheel(SDL_MouseWheelEvent const& event) override;
 	void KeyDown(SDL_KeyboardEvent const& event) override;
 	void KeyUp(SDL_KeyboardEvent const& event) override;
-	void TextInput(SDL_TextInputEvent const& event) override;
 
 	//Network handlers
 	void HandlePacket(SerialPacket* const);
@@ -104,10 +102,6 @@ protected:
 	Button searchButton;
 	Button joinButton;
 	Button backButton;
-	TextField username;
-	TextField password;
-	TextField handle;
-	TextField avatar;
 
 	std::vector<ServerInfo> serverVector;
 	ServerInfo* selection = nullptr;

client/scenes/main_menu.cpp

@@ -26,8 +26,6 @@
 #include <sstream>
 #include <stdexcept>
 
-constexpr SDL_Color WHITE = {255, 255, 255, 255};
-
 //-------------------------
 //Public access members
 //-------------------------
@@ -48,11 +46,11 @@ MainMenu::MainMenu() {
 
 	//setup the buttons
 	startButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	startButton.SetText(GetRenderer(), font, WHITE, "Start");
+	startButton.SetText(GetRenderer(), font, "Start", COLOR_WHITE);
 	optionsButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	optionsButton.SetText(GetRenderer(), font, WHITE, "Options");
+	optionsButton.SetText(GetRenderer(), font, "Options", COLOR_WHITE);
 	quitButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	quitButton.SetText(GetRenderer(), font, WHITE, "Quit");
+	quitButton.SetText(GetRenderer(), font, "Quit", COLOR_WHITE);
 
 	//set the button positions
 	startButton.SetX(50);
@@ -63,15 +61,9 @@ MainMenu::MainMenu() {
 	quitButton.SetY(50 + 20 * 2);
 
 	//text box
-	int h = -1;
+	textBox.PushLine(GetRenderer(), font, "Thanks for playing!", {255, 255, 255, 255});
-	SDL_RenderGetLogicalSize(GetRenderer(), nullptr, &h);
+	textBox.PushLine(GetRenderer(), font, "You can get the latest version at: ", {255, 255, 255, 255});
-
+	textBox.PushLine(GetRenderer(), font, "krgamestudios.com", {255, 255, 255, 255}); //TODO: (9) click to open the website/update
-	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
 	//
@@ -101,7 +93,11 @@ void MainMenu::RenderFrame(SDL_Renderer* renderer) {
 	startButton.DrawTo(renderer);
 	optionsButton.DrawTo(renderer);
 	quitButton.DrawTo(renderer);
-	textBox.DrawTo(renderer);
+
+	int h = -1;
+	SDL_RenderGetLogicalSize(GetRenderer(), nullptr, &h);
+
+	textBox.DrawTo(renderer, 50, h-50, -12);
 }
 
 //-------------------------

client/scenes/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. .. ../entities ../../common/debugging ../../common/global_defines ../../common/network ../../common/network/packet_types ../../common/utilities ../../TurtleGUI ../../TurtleMap
+INCLUDES+=. .. ../client_utilities ../entities ../../common/gameplay ../../common/graphics ../../common/map ../../common/network ../../common/network/packet_types ../../common/ui ../../common/utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

client/scenes/options_menu.cpp

@@ -26,8 +26,6 @@
 #include <sstream>
 #include <stdexcept>
 
-constexpr SDL_Color WHITE = {255, 255, 255, 255};
-
 //-------------------------
 //Public access members
 //-------------------------
@@ -48,16 +46,14 @@ OptionsMenu::OptionsMenu() {
 
 	//setup the button
 	backButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	backButton.SetText(GetRenderer(), font, WHITE, "Back");
+	backButton.SetText(GetRenderer(), font, "Back", COLOR_WHITE);
 
 	//set the button positions
 	backButton.SetX(50);
 	backButton.SetY(50);
 
 	//text line
-	textLine.SetX(50);
+	textLine.SetText(GetRenderer(), font, "This code is fucking hard to refactor.", {255, 255, 255, 255});
-	textLine.SetY(30);
-	textLine.SetText(GetRenderer(), font, WHITE, "Am I making any progress?");
 }
 
 OptionsMenu::~OptionsMenu() {
@@ -82,7 +78,7 @@ void OptionsMenu::FrameEnd() {
 
 void OptionsMenu::RenderFrame(SDL_Renderer* renderer) {
 	backButton.DrawTo(renderer);
-	textLine.DrawTo(renderer);
+	textLine.DrawTo(renderer, 50, 30);
 }
 
 //-------------------------

client/scenes/world.cpp

@@ -34,8 +34,6 @@
 #include <sstream>
 #include <stdexcept>
 
-constexpr SDL_Color WHITE = {255, 255, 255, 255};
-
 //-------------------------
 //static functions
 //-------------------------
@@ -74,9 +72,9 @@ World::World(int* const argClientIndex,	int* const argAccountIndex):
 
 	//setup the buttons
 	disconnectButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	disconnectButton.SetText(GetRenderer(), font, WHITE, "Disconnect");
+	disconnectButton.SetText(GetRenderer(), font, "Disconnect", COLOR_WHITE);
 	shutdownButton.SetBackgroundTexture(GetRenderer(), buttonImage.GetTexture());
-	shutdownButton.SetText(GetRenderer(), font, WHITE, "Shutdown");
+	shutdownButton.SetText(GetRenderer(), font, "Shutdown", COLOR_WHITE);
 
 	//set the button positions
 	disconnectButton.SetX(50);
@@ -118,8 +116,8 @@ World::World(int* const argClientIndex,	int* const argAccountIndex):
 			"slot 7 red.png",
 			"slot 8 red.png"
 		};
-	barrierMgr.LoadBaseImage(GetRenderer(), config["dir.sprites"] + "barrier/base.png");
+	barrierMgr.LoadBaseImage(GetRenderer(), config["dir.sprites"] + "/barrier/base.png");
-	barrierMgr.LoadTemplateImages(GetRenderer(), config["dir.sprites"] + "barrier/", slotNames);
+	barrierMgr.LoadTemplateImages(GetRenderer(), config["dir.sprites"] + "/barrier/", slotNames);
 
 	std::cout << "Templates loaded: " << barrierMgr.GetTemplateContainer()->size() << std::endl;
 }
@@ -154,19 +152,14 @@ void World::Update() {
 		throw(e);
 	}
 	catch(std::exception& e) {
-		std::cerr << "HandlePacket Error (" << (int)(reinterpret_cast<SerialPacket*>(packetBuffer)->type) << "): " << e.what() << std::endl;
+		std::cerr << "HandlePacket Error: " << e.what() << std::endl;
 	}
 
 	//free the buffer
 	delete reinterpret_cast<char*>(packetBuffer);
 
 	//heartbeat system
-	if (heartbeatUtility.CheckHeartBeat()) {
+	CheckHeartBeat();
-		//escape to the disconnect screen
-		SendDisconnectRequest();
-		SetSceneSignal(SceneSignal::DISCONNECTEDSCREEN);
-		ConfigUtility::GetSingleton()["client.disconnectMessage"] = "Error: Lost connection to the server";
-	}
 
 	//update all entities
 	for (auto& it : characterMap) {
@@ -192,27 +185,7 @@ void World::Update() {
 		return;
 	}
 
-	//TODO: (0) regular query interval
+	//TODO: (1) regular query interval
-	if (Clock::now() - queryTime > std::chrono::seconds(3)) {
-		queryTime = Clock::now();
-		//query the world state (room)
-		CharacterPacket characterPacket;
-		memset(&characterPacket, 0, MAX_PACKET_SIZE);
-		characterPacket.type = SerialPacketType::QUERY_CHARACTER_EXISTS;
-		characterPacket.roomIndex = roomIndex;
-		network.SendTo(Channels::SERVER, &characterPacket);
-
-		CreaturePacket creaturePacket;
-		creaturePacket.type = SerialPacketType::QUERY_CREATURE_EXISTS;
-		creaturePacket.roomIndex = roomIndex;
-		network.SendTo(Channels::SERVER, &creaturePacket);
-
-		BarrierPacket barrierPacket;
-		barrierPacket.type = SerialPacketType::QUERY_BARRIER_EXISTS;
-		barrierPacket.roomIndex = roomIndex;
-		network.SendTo(Channels::SERVER, &barrierPacket);
-	}
-
 	//cull creatures
 	for (std::map<int, BaseCreature>::iterator it = creatureMap.begin(); it != creatureMap.end(); /* */) {
 		if ( (localCharacter->GetOrigin() - it->second.GetOrigin()).Length() > INFLUENCE_RADIUS) {
@@ -223,10 +196,7 @@ void World::Update() {
 		}
 	}
 
-	//cull barriers
+	//TODO: cull barriers
-	barrierMgr.UnloadIf([&](std::pair<const int, BaseBarrier const&> barrierIt) -> bool {
-		return (localCharacter->GetOrigin() - barrierIt.second.GetOrigin()).Length() > INFLUENCE_RADIUS;
-	});
 
 	//get the collidable boxes
 	std::list<BoundingBox> boxList = GenerateCollisionGrid(localCharacter, tileSheet.GetTileW(), tileSheet.GetTileH());
@@ -268,12 +238,12 @@ void World::RenderFrame(SDL_Renderer* renderer) {
 	shutdownButton.DrawTo(renderer);
 
 	//FPS
-	fpsTextLine.DrawTo(renderer);
+	fpsTextLine.DrawTo(renderer, 0, 0);
 	int fpsRet = fps.Calculate();
 	if (fpsRet != -1) {
 		std::ostringstream msg;
 		msg << "FPS: " << fpsRet;
-		fpsTextLine.SetText(renderer, font, WHITE, msg.str());
+		fpsTextLine.SetText(renderer, font, msg.str(), {255, 255, 255, 255});
 	}
 }
 
@@ -416,10 +386,10 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 	switch(argPacket->type) {
 		//heartbeat system
 		case SerialPacketType::PING:
-			heartbeatUtility.hPing(static_cast<ServerPacket*>(argPacket));
+			hPing(static_cast<ServerPacket*>(argPacket));
 		break;
 		case SerialPacketType::PONG:
-			heartbeatUtility.hPong(static_cast<ServerPacket*>(argPacket));
+			hPong(static_cast<ServerPacket*>(argPacket));
 		break;
 
 		//game server connections
@@ -458,10 +428,6 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 			hCharacterMovement(static_cast<CharacterPacket*>(argPacket));
 		break;
 
-		case SerialPacketType::CHARACTER_REJECTION:
-			hCharacterRejection(static_cast<TextPacket*>(argPacket));
-		break;
-
 		//creature management
 		case SerialPacketType::CREATURE_UPDATE:
 			hCreatureUpdate(static_cast<CreaturePacket*>(argPacket));
@@ -511,6 +477,7 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 
 		//general rejection messages
 		case SerialPacketType::REGION_REJECTION:
+		case SerialPacketType::CHARACTER_REJECTION:
 		case SerialPacketType::QUERY_REJECTION:
 			throw(fatal_error(static_cast<TextPacket*>(argPacket)->text));
 		break;
@@ -528,6 +495,44 @@ void World::HandlePacket(SerialPacket* const argPacket) {
 	}
 }
 
+//-------------------------
+//heartbeat system
+//-------------------------
+
+void World::hPing(ServerPacket* const argPacket) {
+	ServerPacket newPacket;
+	newPacket.type = SerialPacketType::PONG;
+	network.SendTo(argPacket->srcAddress, &newPacket);
+}
+
+void World::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();
+}
+
+void World::CheckHeartBeat() {
+	//check the connection (heartbeat)
+	if (Clock::now() - lastBeat > std::chrono::seconds(3)) {
+		if (attemptedBeats > 2) {
+			//escape to the disconnect screen
+			SendDisconnectRequest();
+			SetSceneSignal(SceneSignal::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();
+		}
+	}
+}
+
 //-------------------------
 //Connection control
 //-------------------------
@@ -722,9 +727,6 @@ void World::hCharacterCreate(CharacterPacket* const argPacket) {
 	if (character->GetOwner() == accountIndex) {
 		localCharacter = static_cast<LocalCharacter*>(character);
 
-		//reset queries
-		queryTime = Clock::now() - std::chrono::seconds(4); //back 4 seconds to trigger automatically
-
 		//focus the camera on this character's sprite
 		camera.marginX = (camera.width / 2 - localCharacter->GetSprite()->GetClipW() / 2);
 		camera.marginY = (camera.height/ 2 - localCharacter->GetSprite()->GetClipH() / 2);
@@ -732,6 +734,26 @@ void World::hCharacterCreate(CharacterPacket* const argPacket) {
 		//focus on this character's info
 		characterIndex = argPacket->characterIndex;
 		roomIndex = argPacket->roomIndex;
+
+		//query the world state (room)
+		CharacterPacket characterPacket;
+		memset(&characterPacket, 0, MAX_PACKET_SIZE);
+		characterPacket.type = SerialPacketType::QUERY_CHARACTER_EXISTS;
+		characterPacket.roomIndex = roomIndex;
+		characterPacket.origin = localCharacter->GetOrigin();
+		network.SendTo(Channels::SERVER, &characterPacket);
+
+		CreaturePacket creaturePacket;
+		creaturePacket.type = SerialPacketType::QUERY_CREATURE_EXISTS;
+		creaturePacket.roomIndex = roomIndex;
+		creaturePacket.origin = localCharacter->GetOrigin();
+		network.SendTo(Channels::SERVER, &creaturePacket);
+
+		BarrierPacket barrierPacket;
+		barrierPacket.type = SerialPacketType::QUERY_BARRIER_EXISTS;
+		barrierPacket.roomIndex = roomIndex;
+		barrierPacket.origin = localCharacter->GetOrigin();
+		network.SendTo(Channels::SERVER, &barrierPacket);
 	}
 
 	//debug
@@ -772,12 +794,12 @@ void World::hCharacterUnload(CharacterPacket* const argPacket) {
 void World::hQueryCharacterExists(CharacterPacket* const argPacket) {
 	//prevent a double message about this player's character
 	//TODO: why is this commented out?
-	if (argPacket->accountIndex == accountIndex) {
+//	if (argPacket->accountIndex == accountIndex) {
-		return;
+//		return;
-	}
+//	}
 
 	//ignore characters in a different room (sub-optimal)
-	if (argPacket->roomIndex != roomIndex || (localCharacter->GetOrigin() - argPacket->origin).Length() > INFLUENCE_RADIUS) {
+	if (argPacket->roomIndex != roomIndex) {
 		return;
 	}
 
@@ -813,18 +835,6 @@ void World::hCharacterMovement(CharacterPacket* const argPacket) {
 	}
 }
 
-void World::hCharacterRejection(TextPacket* const argPacket) {
-	//NOTE: simply crap out
-	config["client.disconnectMessage"] = std::string() + "Character rejected: " + argPacket->text;
-	SetSceneSignal(SceneSignal::DISCONNECTEDSCREEN);
-
-	//avoid crashes from the heartbeat system
-	ClientPacket newPacket;
-	newPacket.type = SerialPacketType::DISCONNECT_REQUEST;
-	newPacket.clientIndex = clientIndex;
-	network.SendTo(argPacket->srcAddress, &newPacket);
-}
-
 //-------------------------
 //creature management
 //-------------------------
@@ -906,12 +916,10 @@ void World::hCreatureUnload(CreaturePacket* const argPacket) {
 }
 
 void World::hQueryCreatureExists(CreaturePacket* const argPacket) {
-	if (!localCharacter) {
+	std::cout << "Creature Query" << std::endl;
-		return;
-	}
 
 	//ignore creatures in a different room (sub-optimal)
-	if (argPacket->roomIndex != roomIndex || (localCharacter->GetOrigin() - argPacket->origin).Length() > INFLUENCE_RADIUS) {
+	if (argPacket->roomIndex != roomIndex) {
 		return;
 	}
 
@@ -1016,12 +1024,10 @@ void World::hBarrierUnload(BarrierPacket* const argPacket) {
 }
 
 void World::hQueryBarrierExists(BarrierPacket* const argPacket) {
-	if (!localCharacter) {
+	std::cout << "Barrier Query" << std::endl;
-		return;
-	}
 
 	//ignore barriers in a different room (sub-optimal)
-	if (argPacket->roomIndex != roomIndex || (localCharacter->GetOrigin() - argPacket->origin).Length() > INFLUENCE_RADIUS) {
+	if (argPacket->roomIndex != roomIndex) {
 		return;
 	}
 

client/scenes/world.hpp

@@ -43,7 +43,6 @@
 #include "base_scene.hpp"
 #include "base_barrier.hpp"
 #include "base_creature.hpp"
-#include "heartbeat_utility.hpp"
 #include "local_character.hpp"
 
 #include "SDL2/SDL.h"
@@ -81,6 +80,12 @@ private:
 	//handle incoming traffic
 	void HandlePacket(SerialPacket* const);
 
+	//heartbeat system
+	void hPing(ServerPacket* const);
+	void hPong(ServerPacket* const);
+
+	void CheckHeartBeat();
+
 	//basic connections
 	void SendLogoutRequest();
 	void SendDisconnectRequest();
@@ -102,7 +107,6 @@ private:
 	void hCharacterUnload(CharacterPacket* const);
 	void hQueryCharacterExists(CharacterPacket* const);
 	void hCharacterMovement(CharacterPacket* const);
-	void hCharacterRejection(TextPacket* const);
 
 	//creature management
 	void hCreatureUpdate(CreaturePacket* const);
@@ -161,9 +165,10 @@ private:
 	LocalCharacter* localCharacter = nullptr;
 
 	//heartbeat
-	HeartbeatUtility heartbeatUtility;
+	//TODO: (2) Heartbeat needs it's own utility
 	typedef std::chrono::steady_clock Clock;
-	Clock::time_point queryTime = Clock::now() - std::chrono::seconds(4); //back 4 seconds to trigger automatically
+	Clock::time_point lastBeat = Clock::now();
+	int attemptedBeats = 0;
 
 	//ugly references; I hate this
 	ConfigUtility& config = ConfigUtility::GetSingleton();

common/frameworks/network/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. .. ../characters ../creatures ../entities ../inventory ../../common/global_defines ../../common/utilities ../../TurtleGUI
+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)/,server.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)
+	$(MAKE) -C packet_types
 
 $(OBJ): | $(OBJDIR)
 

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

@@ -21,21 +21,34 @@
 */
 #pragma once
 
-#include "item_type.hpp"
+#include "base_scene.hpp"
+#include "scene_signal.hpp"
 
-class ItemData {
+#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:
-	ItemData() = default;
+	Application() = default;
-	~ItemData() = default;
+	~Application() = default;
 
-	//accessors and mutators
+	void Init(int argc, char* argv[]);
-	ItemType SetItemType(ItemType);
+	void Proc();
-	ItemType GetItemType();
+	void Quit();
-
-	int SetQuantity(int);
-	int GetQuantity();
 
 private:
-	ItemType type;
+	//scene management
-	int quantity = 1;
+	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

@@ -19,20 +19,25 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "item_data.hpp"
+#include "application.hpp"
 
-ItemType ItemData::SetItemType(ItemType t) {
+#include "SDL2/SDL.h"
-	return type = t;
-}
 
-ItemType ItemData::GetItemType() {
+#include <iostream>
-	return type;
+#include <stdexcept>
-}
 
-int ItemData::SetQuantity(int i) {
+int main(int argc, char** argv) {
-	return quantity = i;
+	std::cout << "Beginning " << argv[0] << std::endl;
-}
+	try {
-
+		Application app;
-int ItemData::GetQuantity() {
+		app.Init(argc, argv);
-	return quantity;
+		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

@@ -21,13 +21,12 @@
 */
 #pragma once
 
-#include "inventory.hpp"
+enum SceneSignal {
+	//reserved members for internal use
+	QUIT = -1,
+	CONTINUE = 0,
+	FIRST = 1,
 
-class InventoryManager {
+	//custom scenes
-public:
+	EXAMPLE_SCENE
-	InventoryManager() = default;
-	~InventoryManager() = default;
-
-private:
-	//
 };

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 <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, std::string s, SDL_Color color) {
+	//make the surface (from SDL_ttf)
+	SDL_Surface* surf = TTF_RenderText_Solid(font, s.c_str(), color);
+	if (!surf) {
+		throw(std::runtime_error("Failed to create a TTF surface"));
+	}
+
+	//convert to texture
+	SDL_Texture* text = SDL_CreateTextureFromSurface(renderer, surf);
+	SDL_FreeSurface(surf);
+	if (!text) {
+		throw(std::runtime_error("Failed to create a TTF texture"));
+	}
+
+	//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);
+}
+
+void Button::SetX(int x) {
+	posX = x;
+}
+
+void Button::SetY(int y) {
+	posY = y;
+}
+
+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;
+}
+
+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 +1,68 @@
+/* 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>
+
+constexpr SDL_Color COLOR_WHITE = {255, 255, 255, 255};
+constexpr SDL_Color COLOR_RED = {255, 0, 0, 255};
+constexpr SDL_Color COLOR_ORANGE = {255, 127, 0, 255};
+constexpr SDL_Color COLOR_BLUE = {0, 0, 255, 255};
+
+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*, std::string, SDL_Color);
+	void SetX(int x);
+	void SetY(int y);
+
+	//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();
+
+protected:
+	bool CheckBounds(int x, int y);
+
+	Image image;
+	int posX = 0, posY = 0;
+	State state = State::IDLE;
+};

common/graphics/image.cpp

@@ -0,0 +1,211 @@
+/* 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 "image.hpp"
+
+#include "SDL2/SDL_image.h"
+
+#include <sstream>
+#include <stdexcept>
+
+Image& Image::operator=(Image const& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Copy the other Image's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = false;
+}
+
+Image& Image::operator=(Image&& rhs) {
+	//don't screw yourself
+	if (this == &rhs) {
+		return *this;
+	}
+
+	Free();
+
+	//Steal the other Image's stuff
+	texture = rhs.texture;
+	clip = rhs.clip;
+	local = rhs.local;
+
+	rhs.texture = nullptr;
+	rhs.clip = {0, 0, 0, 0};
+	rhs.local = false;
+}
+
+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()));
+	}
+	local = true;
+
+	//free the surface & return
+	SDL_FreeSurface(surface);
+	return texture;
+}
+
+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()));
+	}
+	local = true;
+
+	//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_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()));
+	}
+	local = false;
+
+	return texture;
+}
+
+SDL_Texture* Image::GetTexture() const {
+	return texture;
+}
+
+void Image::Free() {
+	if (local) {
+		SDL_DestroyTexture(texture);
+		local = false;
+	}
+	texture = nullptr;
+	clip = {0, 0, 0, 0};
+}
+
+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;
+	SDL_Rect dclip = {x, y, Uint16(clip.w * scaleX), Uint16(clip.h * scaleY)};
+	SDL_RenderCopy(renderer, texture, &sclip, &dclip);
+}
+
+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()));
+	}
+}
+
+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()));
+	}
+	return ret;
+}

common/graphics/image.hpp

@@ -0,0 +1,73 @@
+/* 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 <string>
+
+class Image {
+public:
+	Image() = default;
+	Image(Image const& rhs) { *this = rhs; }
+	Image(Image&& rhs) { *this = std::move(rhs); }
+	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_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_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; }
+	SDL_Rect GetClip() const { return clip; }
+
+	Sint16 SetClipX(Sint16 x) { return clip.x = x; }
+	Sint16 SetClipY(Sint16 y) { return clip.y = y; }
+	Uint16 SetClipW(Uint16 w) { return clip.w = w; }
+	Uint16 SetClipH(Uint16 h) { return clip.h = h; }
+
+	Sint16 GetClipX() const { return clip.x; }
+	Sint16 GetClipY() const { return clip.y; }
+	Uint16 GetClipW() const { return clip.w; }
+	Uint16 GetClipH() const { return clip.h; }
+
+	bool GetLocal() const { return local; }
+
+protected:
+	SDL_Texture* texture = nullptr;
+	SDL_Rect clip = {0, 0, 0, 0};
+	bool local = false;
+};

common/graphics/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. .. ../characters ../creatures ../entities ../inventory ../../common/global_defines ../../common/utilities ../../TurtleGUI
+INCLUDES+=.
 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)/,server.a)
-
 #targets
 all: $(OBJ) $(OUT)
 	ar -crs $(OUT) $(OBJ)

common/graphics/text_box.cpp

@@ -0,0 +1,56 @@
+/* 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 posX, int posY, int pointSize) {
+	for (std::list<TextLine>::iterator it = lineList.begin(); it != lineList.end(); it++) {
+		it->DrawTo(renderer, posX, posY);
+		posY += pointSize;
+	}
+}
+
+void TextBox::PushLine(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
+	lineList.emplace_front(renderer, font, str, color);
+}
+
+void TextBox::PopLine(int num) {
+	//prevent underflow
+	num < lineList.size() ? num : lineList.size();
+
+	for (int i = 0; i < num; ++i) {
+		lineList.pop_back();
+	}
+}
+
+void TextBox::ClearLines() {
+	lineList.clear();
+}

common/graphics/text_box.hpp

@@ -21,15 +21,25 @@
 */
 #pragma once
 
-#include "item_data.hpp"
+#include "text_line.hpp"
 
+#include "SDL2/SDL.h"
+#include "SDL2/SDL_ttf.h"
+
+#include <string>
 #include <list>
 
-class Inventory {
+class TextBox {
 public:
-	Inventory() = default;
+	TextBox();
-	~Inventory() = default;
+	~TextBox();
+
+	void DrawTo(SDL_Renderer*, int posX, int posY, int pointSize);
+
+	void PushLine(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
+	void PopLine(int num = 1);
+	void ClearLines();
 
 private:
-	std::list<ItemData> itemList;
+	std::list<TextLine> lineList;
 };

common/graphics/text_line.cpp

@@ -0,0 +1,70 @@
+/* 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 <stdexcept>
+
+SDL_Texture* renderTextTexture(SDL_Renderer* renderer, TTF_Font* font, std::string str, SDL_Color color) {
+	//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;
+}
+
+TextLine::TextLine() {
+	//
+}
+
+TextLine::~TextLine() {
+	ClearText();
+}
+
+void TextLine::DrawTo(SDL_Renderer* renderer, int posX, int posY) {
+	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, std::string str, SDL_Color color) {
+	//just use the above global function
+	SDL_DestroyTexture(texture);
+	texture = renderTextTexture(renderer, font, str, color);
+}
+
+void TextLine::ClearText() {
+	SDL_DestroyTexture(texture);
+}

common/graphics/text_line.hpp

@@ -21,22 +21,25 @@
 */
 #pragma once
 
-#include "server_packet.hpp"
+#include "SDL2/SDL.h"
-#include "udp_network_utility.hpp"
+#include "SDL2/SDL_ttf.h"
 
-#include <chrono>
+#include <string>
 
-class HeartbeatUtility {
+SDL_Texture* renderTextTexture(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
+
+class TextLine {
 public:
-	//heartbeat system
+	TextLine();
-	void hPing(ServerPacket* const);
+	TextLine(SDL_Renderer* r, TTF_Font* f, std::string s, SDL_Color c)
-	void hPong(ServerPacket* const);
+		{ SetText(r, f, s, c); }
+	virtual ~TextLine();
 
-	int CheckHeartBeat();
+	void DrawTo(SDL_Renderer*, int posX, int posY);
 
-private:
+	void SetText(SDL_Renderer*, TTF_Font*, std::string, SDL_Color color);
-	UDPNetworkUtility& network = UDPNetworkUtility::GetSingleton();
+	void ClearText();
-	typedef std::chrono::steady_clock Clock;
+
-	Clock::time_point lastBeat = Clock::now();
+protected:
-	int attemptedBeats = 0;
+	SDL_Texture* texture = nullptr;
 };

common/makefile

@@ -1,10 +1,12 @@
 #output
-export OUTDIR=../..
+export OUTDIR=..
 export OUT=$(addprefix $(OUTDIR)/,libcommon.a)
 
 all: $(OUTDIR)
 	$(MAKE) -C debugging
-	$(MAKE) -C global_defines
+	$(MAKE) -C gameplay
+	$(MAKE) -C graphics
+	$(MAKE) -C map
 	$(MAKE) -C network
 	$(MAKE) -C utilities
 

common/map/makefile

@@ -0,0 +1,28 @@
+#config
+INCLUDES+=. ../graphics
+LIBS+=
+CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
+
+#source
+CXXSRC=$(wildcard *.cpp)
+
+#objects
+OBJDIR=obj
+OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
+
+#targets
+all: $(OBJ) $(OUT)
+	ar -crs $(OUT) $(OBJ)
+
+$(OBJ): | $(OBJDIR)
+
+$(OUT): | $(OUTDIR)
+
+$(OBJDIR):
+	mkdir $(OBJDIR)
+
+$(OUTDIR):
+	mkdir $(OUTDIR)
+
+$(OBJDIR)/%.o: %.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<

common/map/region.cpp

@@ -0,0 +1,82 @@
+/* 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 "region.hpp"
+
+#include <cmath>
+#include <cstring>
+#include <stdexcept>
+
+int snapToBase(int base, int x) {
+	return floor((double)x / base) * base;
+}
+
+Region::Region(int argX, int argY): x(argX), y(argY) {
+	if (x != snapToBase(REGION_WIDTH, x) || y != snapToBase(REGION_HEIGHT, y)) {
+		throw(std::invalid_argument("Region location is off grid"));
+	}
+	memset(tiles, 0, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
+}
+
+Region::Region(Region const& rhs): x(rhs.x), y(rhs.y) {
+	memcpy(tiles, rhs.tiles, REGION_WIDTH*REGION_HEIGHT*REGION_DEPTH*sizeof(type_t));
+	solid = rhs.solid;
+}
+
+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) 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) 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];
+}
+
+int Region::GetX() const {
+	return x;
+}
+
+int Region::GetY() const {
+	return y;
+}
+
+std::bitset<REGION_WIDTH*REGION_HEIGHT>* Region::GetSolidBitset() {
+	return &solid;
+}

common/map/region.hpp

@@ -0,0 +1,62 @@
+/* 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 <bitset>
+
+//the region's storage format
+constexpr int REGION_WIDTH = 20;
+constexpr int REGION_HEIGHT = 20;
+constexpr int REGION_DEPTH = 3;
+
+//utility function
+int snapToBase(int base, int x);
+
+class Region {
+public:
+	typedef unsigned char type_t;
+
+	Region() = delete;
+	Region(int x, int y);
+	Region(Region const&);
+	~Region() = default;
+
+	type_t SetTile(int x, int y, int z, type_t v);
+	type_t GetTile(int x, int y, int z) const;
+
+	bool SetSolid(int x, int y, bool b);
+	bool GetSolid(int x, int y) const;
+
+	//accessors
+	int GetX() const;
+	int GetY() const;
+
+	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;
+};

common/map/region_api.cpp

@@ -0,0 +1,99 @@
+/* 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 "region_api.hpp"
+
+#include "region.hpp"
+
+static int setTile(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->SetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1, lua_tointeger(L, 5));
+	lua_pushinteger(L, ret);
+	return 1;
+}
+
+static int getTile(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	int ret = region->GetTile(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_tointeger(L, 4)-1);
+	lua_pushinteger(L, ret);
+	return 1;
+}
+
+static int setSolid(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	bool ret = region->SetSolid(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1, lua_toboolean(L, 4));
+	lua_pushboolean(L, ret);
+	return 1;
+}
+
+static int getSolid(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	bool ret = region->GetSolid(lua_tointeger(L, 2)-1, lua_tointeger(L, 3)-1);
+	lua_pushboolean(L, ret);
+	return 1;
+}
+
+static int getX(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	lua_pushinteger(L, region->GetX());
+	return 1;
+}
+
+static int getY(lua_State* L) {
+	Region* region = reinterpret_cast<Region*>(lua_touserdata(L, 1));
+	lua_pushinteger(L, region->GetY());
+	return 1;
+}
+
+static int getWidth(lua_State* L) {
+	lua_pushinteger(L, REGION_WIDTH);
+	return 1;
+}
+
+static int getHeight(lua_State* L) {
+	lua_pushinteger(L, REGION_HEIGHT);
+	return 1;
+}
+
+static int getDepth(lua_State* L) {
+	lua_pushinteger(L, REGION_DEPTH);
+	return 1;
+}
+
+static const luaL_Reg regionLib[] = {
+	{"SetTile",setTile},
+	{"GetTile",getTile},
+	{"SetSolid",setSolid},
+	{"GetSolid",getSolid},
+	{"GetX",getX},
+	{"GetY",getY},
+
+	//the global macros
+	{"GetWidth",getWidth},
+	{"GetHeight",getHeight},
+	{"GetDepth",getDepth},
+	{nullptr, nullptr}
+};
+
+LUAMOD_API int openRegionAPI(lua_State* L) {
+	luaL_newlib(L, regionLib);
+	return 1;
+}

common/map/region_api.hpp

@@ -21,12 +21,7 @@
 */
 #pragma once
 
-enum ItemType {
+#include "lua.hpp"
-	//basics
-	POTION = 101,
 
-	//weapons
+#define TORTUGA_REGION_API "region"
-	SWORD = 201,
+LUAMOD_API int openRegionAPI(lua_State* L);
-	DAGGER = 202,
-	STAFF = 203
-};

common/map/region_pager_api.cpp

@@ -0,0 +1,172 @@
+/* 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 "region_pager_api.hpp"
+
+#include "region_pager_lua.hpp"
+#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));
+	int ret = pager->SetTile(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4), lua_tointeger(L, 5));
+	lua_pushinteger(L, ret);
+	return 1;
+}
+
+static int getTile(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	int ret = pager->GetTile(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
+	lua_pushinteger(L, ret);
+	return 1;
+}
+
+static int setSolid(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	bool ret = pager->SetSolid(lua_tointeger(L, 2), lua_tointeger(L, 3), lua_toboolean(L, 4));
+	lua_pushboolean(L, ret);
+	return 1;
+}
+
+static int getSolid(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	bool ret = pager->GetSolid(lua_tointeger(L, 2), lua_tointeger(L, 3));
+	lua_pushboolean(L, ret);
+	return 1;
+}
+
+static int getRegion(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	Region* region = pager->GetRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
+	lua_pushlightuserdata(L, region);
+	return 1;
+}
+
+static int loadRegion(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	Region* region = pager->LoadRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
+	lua_pushlightuserdata(L, region);
+	return 1;
+}
+
+static int saveRegion(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	Region* region = pager->SaveRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
+	lua_pushlightuserdata(L, region);
+	return 1;
+}
+
+static int createRegion(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	Region* region = pager->CreateRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
+	lua_pushlightuserdata(L, region);
+	return 1;
+}
+
+static int unloadRegion(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+
+	//two argument types: coords & the region itself
+	switch(lua_type(L, 2)) {
+		case LUA_TNUMBER:
+			pager->UnloadIf([&](Region const& region) -> bool {
+				int x = lua_tointeger(L, 2);
+				int y = lua_tointeger(L, 3);
+				return region.GetX() == x && region.GetY() == y;
+			});
+		break;
+		case LUA_TLIGHTUSERDATA:
+			pager->UnloadIf([&](Region const& region) -> bool {
+				return (&region) == lua_touserdata(L, 2);
+			});
+		break;
+	}
+	return 0;
+}
+
+static int setOnLoad(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, pager->GetLoadReference());
+	pager->SetLoadReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int setOnSave(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, pager->GetSaveReference());
+	pager->SetSaveReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int setOnCreate(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, pager->GetCreateReference());
+	pager->SetCreateReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+static int setOnUnload(lua_State* L) {
+	RegionPagerLua* pager = reinterpret_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	luaL_unref(L, LUA_REGISTRYINDEX, pager->GetUnloadReference());
+	pager->SetUnloadReference(luaL_ref(L, LUA_REGISTRYINDEX));
+	return 0;
+}
+
+//debugging
+static int containerSize(lua_State* L) {
+	RegionPagerLua* pager = static_cast<RegionPagerLua*>(lua_touserdata(L, 1));
+	lua_pushinteger(L, pager->GetContainer()->size());
+	return 1;
+}
+
+static const luaL_Reg regionPagerLib[] = {
+	//curry
+	{"SetTile", setTile},
+	{"GetTile", getTile},
+	{"SetSolid", setSolid},
+	{"GetSolid", getSolid},
+
+	//access and control
+	{"GetRegion", getRegion},
+	{"LoadRegion", loadRegion},
+	{"SaveRegion", saveRegion},
+	{"CreateRegion", createRegion},
+	{"UnloadRegion", unloadRegion},
+
+	//triggers
+	{"SetOnLoad",setOnLoad},
+	{"SetOnSave",setOnSave},
+	{"SetOnCreate",setOnCreate},
+	{"SetOnUnload",setOnUnload},
+
+	//debugging
+	{"ContainerSize", containerSize},
+
+	//sentinel
+	{nullptr, nullptr}
+};
+
+LUAMOD_API int openRegionPagerAPI(lua_State* L) {
+	luaL_newlib(L, regionPagerLib);
+	return 1;
+}

common/map/region_pager_api.hpp

@@ -19,5 +19,9 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "inventory.hpp"
+#pragma once
 
+#include "lua.hpp"
+
+#define TORTUGA_REGION_PAGER_API "region_pager"
+LUAMOD_API int openRegionPagerAPI(lua_State* L);

common/map/region_pager_base.cpp

@@ -0,0 +1,106 @@
+/* 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 "region_pager_base.hpp"
+
+#include <stdexcept>
+#include <algorithm>
+
+RegionPagerBase::~RegionPagerBase() {
+	UnloadAll();
+};
+
+Region::type_t RegionPagerBase::SetTile(int x, int y, int z, Region::type_t v) {
+	Region* ptr = GetRegion(x, y);
+	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);
+}
+
+bool RegionPagerBase::SetSolid(int x, int y, int b) {
+	Region* ptr = GetRegion(x, y);
+	return ptr->SetSolid(x - ptr->GetX(), y - ptr->GetY(), b);
+}
+
+bool RegionPagerBase::GetSolid(int x, int y) {
+	Region* ptr = GetRegion(x, y);
+	return ptr->GetSolid(x - ptr->GetX(), y - ptr->GetY());
+}
+
+Region* RegionPagerBase::GetRegion(int x, int y) {
+	x = snapToBase(REGION_WIDTH, x);
+	y = snapToBase(REGION_HEIGHT, y);
+
+	//get the region by various means
+	Region* ptr = nullptr;
+	ptr = FindRegion(x, y);
+	if (ptr) return ptr;
+	ptr = LoadRegion(x, y);
+	if (ptr) return ptr;
+	return CreateRegion(x, y);
+}
+
+Region* RegionPagerBase::FindRegion(int x, int y) {
+	//find the region
+	std::list<Region>::iterator it = find_if(regionList.begin(), regionList.end(), [x, y](Region& region) -> bool {
+		return region.GetX() == x && region.GetY() == y;
+	});
+	return it != regionList.end() ? &(*it) : nullptr;
+}
+
+Region* RegionPagerBase::PushRegion(Region* const ptr) {
+	regionList.push_front(*ptr);
+	return &regionList.front();
+}
+
+Region* RegionPagerBase::LoadRegion(int x, int y) {
+	//EMPTY, intended for override
+	return nullptr;
+}
+
+Region* RegionPagerBase::SaveRegion(int x, int y) {
+	//EMPTY, intended for override
+	return nullptr;
+}
+
+Region* RegionPagerBase::CreateRegion(int x, int y) {
+	if (FindRegion(x, y)) {
+		throw(std::logic_error("Cannot overwrite an existing region"));
+	}
+	regionList.emplace_front(x, y);
+	return &regionList.front();
+}
+
+void RegionPagerBase::UnloadIf(std::function<bool(Region const&)> fn) {
+	regionList.remove_if(fn);
+}
+
+void RegionPagerBase::UnloadAll() {
+	regionList.clear();
+}
+
+std::list<Region>* RegionPagerBase::GetContainer() {
+	return &regionList;
+}

common/map/region_pager_base.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 "region.hpp"
+
+#include <functional>
+#include <list>
+
+class RegionPagerBase {
+public:
+	RegionPagerBase() = default;
+	virtual ~RegionPagerBase();
+
+	//tile manipulation
+	virtual Region::type_t SetTile(int x, int y, int z, Region::type_t v);
+	virtual Region::type_t GetTile(int x, int y, int z);
+
+	//solid manipulation
+	virtual bool SetSolid(int x, int y, int b);
+	virtual bool GetSolid(int x, int y);
+
+	//region manipulation
+	virtual Region* GetRegion(int x, int y);
+	virtual Region* FindRegion(int x, int y);
+	virtual Region* PushRegion(Region* const);
+
+	virtual Region* LoadRegion(int x, int y);
+	virtual Region* SaveRegion(int x, int y);
+	virtual Region* CreateRegion(int x, int y);
+
+	virtual void UnloadIf(std::function<bool(Region const&)> fn);
+	virtual void UnloadAll();
+
+	//accessors & mutators
+	std::list<Region>* GetContainer();
+protected:
+	std::list<Region> regionList;
+};

common/map/region_pager_lua.cpp

@@ -0,0 +1,208 @@
+/* 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 "region_pager_lua.hpp"
+
+#include <stdexcept>
+
+RegionPagerLua::~RegionPagerLua() {
+	//unload all regions
+	UnloadAll();
+	//clear any stored functions
+	luaL_unref(lua, LUA_REGISTRYINDEX, loadRef);
+	luaL_unref(lua, LUA_REGISTRYINDEX, saveRef);
+	luaL_unref(lua, LUA_REGISTRYINDEX, createRef);
+	luaL_unref(lua, LUA_REGISTRYINDEX, unloadRef);
+}
+
+//return the loaded region, or nullptr on failure
+Region* RegionPagerLua::LoadRegion(int x, int y) {
+	//get the pager's function from the registry
+	lua_rawgeti(lua, LUA_REGISTRYINDEX, loadRef);
+
+	//check if this function is available
+	if (lua_isnil(lua, -1)) {
+		lua_pop(lua, 1);
+		//signal that there is no load function
+		return nullptr;
+	}
+
+	//something to work on
+	Region tmpRegion(x, y);
+	lua_pushlightuserdata(lua, &tmpRegion);
+
+	//call the funtion, 1 arg, 1 return
+	if (lua_pcall(lua, 1, 1, 0) != LUA_OK) {
+		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+	}
+
+	//check the return value, success or failure
+	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
+	lua_rawgeti(lua, LUA_REGISTRYINDEX, saveRef);
+
+	//check if this function is available
+	if (lua_isnil(lua, -1)) {
+		lua_pop(lua, 1);
+		//signal that the region wasn't saved
+		return nullptr;
+	}
+
+	//find the specified region
+	Region* ptr = FindRegion(x, y);
+	if (!ptr) {
+		lua_pop(lua, 1);
+		//signal that there is no save function
+		return nullptr;
+	}
+	lua_pushlightuserdata(lua, ptr);
+
+	//call the function, 1 arg, 1 return
+	if (lua_pcall(lua, 1, 1, 0) != LUA_OK) {
+		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+	}
+
+	//check the return value, success or failure
+	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;
+	}
+}
+
+//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"));
+	}
+
+	//get the pager's function from the registry
+	lua_rawgeti(lua, LUA_REGISTRYINDEX, createRef);
+
+	//check if this function is available
+	if (lua_isnil(lua, -1)) {
+		lua_pop(lua, 1);
+		//return an empty region object
+		regionList.emplace_front(x, y);
+		return &regionList.front();
+	}
+
+	//something to work on
+	Region tmpRegion(x, y);
+	lua_pushlightuserdata(lua, &tmpRegion);
+
+	//call the function, 1 arg, 0 return
+	if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
+		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+	}
+
+	//return the new region
+	regionList.push_front(tmpRegion);
+	return &regionList.front();
+}
+
+//no return
+void RegionPagerLua::UnloadIf(std::function<bool(Region const&)> fn) {
+	//get the pager's function from the registry
+	lua_rawgeti(lua, LUA_REGISTRYINDEX, unloadRef);
+
+	//check if this function is available
+	if (lua_isnil(lua, -1)) {
+		lua_pop(lua, 1);
+		//remove the regions anyway
+		regionList.remove_if(fn);
+		return;
+	}
+
+	//run each region through this lambda
+	regionList.remove_if([&](Region& region) -> bool {
+		if (fn(region)) {
+
+			//push a copy of the function onto the stack with the region
+			lua_pushvalue(lua, -1);
+			lua_pushlightuserdata(lua, static_cast<void*>(&region));
+
+			//call the function, 1 arg, 0 return
+			if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
+				throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+			}
+
+			//signal to the container
+			return true;
+		}
+		//signal to the container
+		return false;
+	});
+
+	//pop the base copy of the function
+	lua_pop(lua, 1);
+}
+
+void RegionPagerLua::UnloadAll() {
+	//get the pager's function from the registry
+	lua_rawgeti(lua, LUA_REGISTRYINDEX, unloadRef);
+
+	//check if this function is available
+	if (lua_isnil(lua, -1)) {
+		lua_pop(lua, 1);
+		//remove the regions anyway
+		regionList.clear();
+		return;
+	}
+
+	for (auto& it : regionList) {
+		//push a copy of the function onto the stack with the region
+		lua_pushvalue(lua, -1);
+		lua_pushlightuserdata(lua, &it);
+
+		//call the function, 1 arg, 0 return
+		if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
+			throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
+		}
+	}
+
+	//pop the base copy of the function
+	lua_pop(lua, 1);
+
+	//remove from memory
+	regionList.clear();
+}

common/map/region_pager_lua.hpp

@@ -0,0 +1,68 @@
+/* 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 "region_pager_base.hpp"
+
+#include "lua.hpp"
+
+#include <functional>
+#include <string>
+
+//DOCS: set the lua hook before use
+
+class RegionPagerLua : public RegionPagerBase {
+public:
+	RegionPagerLua() = default;
+	~RegionPagerLua();
+
+	//region manipulation
+	Region* LoadRegion(int x, int y) override;
+	Region* SaveRegion(int x, int y) override;
+	Region* CreateRegion(int x, int y) override;
+
+	void UnloadIf(std::function<bool(Region const&)> fn) override;
+	void UnloadAll() override;
+
+	//accessors & mutators
+	lua_State* SetLuaState(lua_State* L) { return lua = L; }
+	lua_State* GetLuaState() { return lua; }
+
+	//utilities for the API
+	int SetLoadReference(int i) { return loadRef = i; }
+	int SetSaveReference(int i) { return saveRef = i; }
+	int SetCreateReference(int i) { return createRef = i; }
+	int SetUnloadReference(int i) { return unloadRef = i; }
+
+	int GetLoadReference() { return loadRef; }
+	int GetSaveReference() { return saveRef; }
+	int GetCreateReference() { return createRef; }
+	int GetUnloadReference() { return unloadRef; }
+
+protected:
+	lua_State* lua = nullptr;
+
+	int loadRef = LUA_NOREF;
+	int saveRef = LUA_NOREF;
+	int createRef = LUA_NOREF;
+	int unloadRef = LUA_NOREF;
+};

common/map/tile_sheet.cpp

@@ -0,0 +1,124 @@
+/* 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 "tile_sheet.hpp"
+
+#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;
+}
+
+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::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;
+}
+
+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) {
+				//get the value to skip expensive lookups
+				tile = region->tiles[i][j][k];
+
+				//0 is invisible
+				if (tile == 0) continue;
+
+				//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

@@ -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 "region.hpp"
+
+#include "image.hpp"
+
+#include <string>
+
+class TileSheet : public Image {
+public:
+	TileSheet() = default;
+	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;
+
+	TileSheet& operator=(TileSheet const&);
+	TileSheet& operator=(TileSheet&&);
+
+	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
+	//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; }
+
+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/network/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. packet_types ../global_defines ../utilities ../../TurtleGUI ../../TurtleMap
+INCLUDES+=. packet_types ../gameplay ../map ../utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

common/network/packet_types/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=. .. ../../global_defines ../../utilities ../../../TurtleGUI ../../../TurtleMap
+INCLUDES+=. .. ../../gameplay ../../map ../../utilities
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

common/network/serial_packet.hpp

@@ -34,16 +34,15 @@
 typedef SerialPacketBase SerialPacket;
 
 //DOCS: NETWORK_VERSION is used to discern compatible servers and clients
-constexpr int NETWORK_VERSION = 20161209;
+constexpr int NETWORK_VERSION = 20160404;
 
 union MaxPacket {
-	BarrierPacket a;
+	CharacterPacket a;
-	CharacterPacket b;
+	ClientPacket b;
-	ClientPacket c;
+	CreaturePacket c;
-	CreaturePacket d;
+	RegionPacket d;
-	RegionPacket e;
+	ServerPacket e;
-	ServerPacket f;
+	TextPacket f;
-	TextPacket g;
 };
 
 constexpr int MAX_PACKET_SIZE = sizeof(MaxPacket);

common/network/serial_packet_type.hpp

@@ -142,6 +142,25 @@ enum class SerialPacketType {
 
 	FORMAT_END_CREATURE = 599,
 
+	//-------------------------
+	//BarrierPacket
+	//  barrier index,
+	//  bounds,
+	//  roomIndex, origin, motion
+	//  status
+	//-------------------------
+
+	FORMAT_COMBAT = 700,
+
+	BARRIER_UPDATE = 701,
+
+	BARRIER_CREATE = 702,
+	BARRIER_UNLOAD = 703,
+
+	QUERY_BARRIER_EXISTS = 704,
+
+	FORMAT_END_COMBAT = 799,
+
 	//-------------------------
 	//TextPacket
 	//  name, text
@@ -165,28 +184,6 @@ enum class SerialPacketType {
 
 	FORMAT_END_TEXT = 699,
 
-	//-------------------------
-	//BarrierPacket
-	//  barrier index,
-	//  bounds,
-	//  roomIndex, origin, motion
-	//  status
-	//-------------------------
-
-	FORMAT_BARRIER = 700,
-
-	BARRIER_UPDATE = 701,
-
-	BARRIER_CREATE = 702,
-	BARRIER_UNLOAD = 703,
-
-	QUERY_BARRIER_EXISTS = 704,
-
-	BARRIER_ENTRY = 705,
-	BARRIER_EXIT = 706,
-
-	FORMAT_END_BARRIER = 799,
-
 	//-------------------------
 	//not used
 	//-------------------------

common/network/serial_utility.cpp

@@ -70,12 +70,12 @@ void serializePacket(void* buffer, SerialPacketBase* packet) {
 		serializeCreature(buffer, static_cast<CreaturePacket*>(packet));
 	}
 
-	if (BOUNDS(packet->type, SerialPacketType::FORMAT_TEXT, SerialPacketType::FORMAT_END_TEXT)) {
+	if (BOUNDS(packet->type, SerialPacketType::FORMAT_COMBAT, SerialPacketType::FORMAT_END_COMBAT)) {
-		serializeText(buffer, static_cast<TextPacket*>(packet));
+		serializeBarrier(buffer, static_cast<BarrierPacket*>(packet));
 	}
 
-	if (BOUNDS(packet->type, SerialPacketType::FORMAT_BARRIER, SerialPacketType::FORMAT_END_BARRIER)) {
+	if (BOUNDS(packet->type, SerialPacketType::FORMAT_TEXT, SerialPacketType::FORMAT_END_TEXT)) {
-		serializeBarrier(buffer, static_cast<BarrierPacket*>(packet));
+		serializeText(buffer, static_cast<TextPacket*>(packet));
 	}
 }
 
@@ -104,11 +104,11 @@ void deserializePacket(void* buffer, SerialPacketBase* packet) {
 		deserializeCreature(buffer, static_cast<CreaturePacket*>(packet));
 	}
 
+	if (BOUNDS(type, SerialPacketType::FORMAT_COMBAT, SerialPacketType::FORMAT_END_COMBAT)) {
+		deserializeBarrier(buffer, static_cast<BarrierPacket*>(packet));
+	}
+
 	if (BOUNDS(type, SerialPacketType::FORMAT_TEXT, SerialPacketType::FORMAT_END_TEXT)) {
 		deserializeText(buffer, static_cast<TextPacket*>(packet));
 	}
-
-		if (BOUNDS(type, SerialPacketType::FORMAT_BARRIER, SerialPacketType::FORMAT_END_BARRIER)) {
-		deserializeBarrier(buffer, static_cast<BarrierPacket*>(packet));
-	}
 }

common/utilities/bounding_box.hpp

@@ -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.
+*/
+#pragma once
+
+#include <type_traits>
+#include <algorithm>
+
+class BoundingBox {
+public:
+	//This is explicitly a POD
+	int x, y;
+	int w, h;
+
+	BoundingBox() = default;
+	BoundingBox(int i, int j): x(i), y(j), w(0), h(0) {};
+	BoundingBox(int i, int j, int k, int l): x(i), y(j), w(k), h(l) {};
+	~BoundingBox() = default;
+	BoundingBox& operator=(BoundingBox const&) = default;
+
+	int Size() {
+		return std::max(w*h,0);
+	}
+
+	bool CheckOverlap(BoundingBox rhs) {
+		return !(
+			x >= rhs.x + rhs.w ||
+			y >= rhs.y + rhs.h ||
+			rhs.x >= x + w ||
+			rhs.y >= y + h);
+	}
+
+	BoundingBox CalcOverlap(BoundingBox rhs) {
+		if (!CheckOverlap(rhs)) {
+			return {0, 0, 0, 0};
+		}
+		BoundingBox ret;
+		ret.x = std::max(x, rhs.x);
+		ret.y = std::max(y, rhs.y);
+		ret.w = std::min(x+w, rhs.x+rhs.w) - ret.x;
+		ret.h = std::min(y+h, rhs.y+rhs.h) - ret.y;
+		return ret;
+	}
+};
+
+//This is explicitly a POD
+static_assert(std::is_pod<BoundingBox>::value, "BoundingBox is not a POD");
+
+#include "vector2.hpp"
+
+//operators
+inline BoundingBox operator+(BoundingBox b, Vector2 v) {
+	return {b.x + (int)v.x, b.y + (int)v.y, b.w, b.h};
+}
+inline BoundingBox operator+(Vector2 v, BoundingBox b) {
+	return b + v;
+}

common/utilities/csv_tool.hpp

@@ -1,125 +0,0 @@
-/* Copyright: (c) Kayne Ruse 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.
-*/
-#pragma once
-
-//DOCS: this is a generic CSV reading tool
-//DOCS: empty lines and comment lines begining with '#' are ignored
-//DOCS: whitespace characters are valid field values
-//DOCS: if the file is invalid, then the behavior is undefined
-
-#include <array>
-#include <cstring>
-#include <fstream>
-#include <sstream>
-#include <stdexcept>
-#include <string>
-#include <vector>
-
-//define the container types
-template<int N>
-using CSVElement = std::array<std::string, N>;
-
-template<int N>
-using CSVObject = std::vector<CSVElement<N>>;
-
-//read a file into an object
-template<int N>
-CSVObject<N> readCSV(std::string fname, char delim = ',') {
-	//open the file
-	std::ifstream is(fname);
-
-	if (!is.is_open()) {
-		std::ostringstream msg;
-		msg << "Failed to open file: " << fname;
-		throw(std::runtime_error(msg.str()));
-	}
-
-	//build the scanf format
-	std::ostringstream format;
-	format << "%[^\0" << delim << "]";
-
-	//read and store each record (one per line)
-	CSVObject<N> object;
-	while(!is.eof()) {
-		//get a line
-		std::string tmpLine;
-		getline(is, tmpLine);
-
-		//skip blank and comment lines
-		if (tmpLine.size() == 0 || tmpLine[0] == '#') {
-			continue;
-		}
-
-		//read and store each field
-		CSVElement<N> record;
-		for (int i = 0; i < N; ++i) {
-			//get a field
-			char tmpField[256];
-			memset(tmpField, 0, 256);
-
-			sscanf(tmpLine.c_str(), format.str().c_str(), tmpField);
-
-			//prune the input
-			int len = std::min(strlen(tmpField)+1, tmpLine.size());
-			tmpLine = tmpLine.substr(len);
-
-			//store the field
-			record[i] = tmpField;
-		}
-
-		object.push_back(record);
-	}
-
-	//finally, close the file
-	is.close();
-
-	return object;
-}
-
-template<int N>
-void writeCSV(std::string fname, CSVObject<N> const& object, char delim = ',') {
-	//open the file
-	std::ofstream os(fname);
-
-	if (!os.is_open()) {
-		std::ostringstream msg;
-		msg << "Failed to open file: " << fname;
-		throw(std::runtime_error(msg.str()));
-	}
-
-	//write each record, one at a time
-	for(auto& record : object) {
-		//write each field, one at a time
-		for (int i = 0; i < N; i++) {
-			os << record[i];
-
-			//print delimiter
-			if (i != N -1) {
-				os << delim;
-			}
-		}
-		os << std::endl;
-	}
-
-	//finish
-	os.close();
-}

common/utilities/file_hash.cpp

@@ -1,60 +0,0 @@
-/* Copyright: (c) Kayne Ruse 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 "file_hash.hpp"
-
-#include <fstream>
-
-//hash a byte array into a 32-bit integer
-unsigned fnv_hash_1a_32(void *key, int len) {
-	unsigned char *p = static_cast<unsigned char*>(key);
-	unsigned h = 0x811c9dc5;
-	for (int i = 0; i < len; i++) {
-		h = ( h ^ p[i] ) * 0x01000193;
-	}
-	return h;
-}
-
-int getFileHash(std::string fname) {
-	std::ifstream is(fname, std::ios::in | std::ios::binary);
-
-	//if the file doesn't exist, return a hash of -1
-	if (!is.is_open()) {
-		return -1;
-	}
-
-	//get the file size
-	is.seekg(0, std::ios_base::end);
-	int size = is.tellg();
-	is.seekg(0);
-
-	//create a buffer of that size
-	char buffer[size];
-
-	//load the data
-	is.read(buffer, size);
-
-	//cleanup
-	is.close();
-
-	//finally, return the hash value
-	return fnv_hash_1a_32(buffer, size);
-}

common/utilities/file_hash.hpp

@@ -1,26 +0,0 @@
-/* Copyright: (c) Kayne Ruse 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 <string>
-
-int getFileHash(std::string fname);

common/utilities/vector2.hpp

@@ -0,0 +1,111 @@
+/* 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 <type_traits>
+#include <stdexcept>
+#include <cmath>
+
+class Vector2 {
+public:
+	double x, y;
+
+	Vector2() = default;
+	Vector2(double i, double j): x(i), y(j) {};
+	~Vector2() = default;
+	Vector2& operator=(Vector2 const&) = default;
+
+	double Length() const {
+		return sqrt(x*x+y*y);
+	}
+	double SquaredLength() const {
+		return x*x+y*y;
+	}
+	void Normalize() {
+		double l = Length();
+		if (l == 0)
+			throw(std::domain_error("Divide by zero"));
+		x /= l;
+		y /= l;
+	}
+
+	//Arithmetic operators
+	Vector2 operator+(Vector2 v) const {
+		Vector2 ret;
+		ret.x = x + v.x;
+		ret.y = y + v.y;
+		return ret;
+	}
+	Vector2 operator-(Vector2 v) const {
+		Vector2 ret;
+		ret.x = x - v.x;
+		ret.y = y - v.y;
+		return ret;
+	}
+	Vector2 operator*(Vector2 v) const {
+		Vector2 ret;
+		ret.x = x * v.x;
+		ret.y = y * v.y;
+		return ret;
+	}
+	Vector2 operator*(double d) const {
+		Vector2 ret;
+		ret.x = x * d;
+		ret.y = y * d;
+		return ret;
+	}
+
+	Vector2 operator/(Vector2 v) {
+		if (!v.x || !v.y)
+			throw(std::domain_error("Divide by zero"));
+		Vector2 ret;
+		ret.x = x / v.x;
+		ret.y = y / v.y;
+		return ret;
+	}
+	Vector2 operator/(double d) {
+		if (!d)
+			throw(std::domain_error("Divide by zero"));
+		Vector2 ret;
+		ret.x = x / d;
+		ret.y = y / d;
+		return ret;
+	}
+
+	//unary operators
+	Vector2 operator-() { return {-x, -y}; }
+
+	//comparison operators
+	bool operator==(Vector2 v) { return (x == v.x && y == v.y); }
+	bool operator!=(Vector2 v) { return (x != v.x || y != v.y); }
+
+	//member templates (curry the above operators)
+	template<typename T> Vector2 operator+=(T t) { return *this = *this + t; }
+	template<typename T> Vector2 operator-=(T t) { return *this = *this - t; }
+	template<typename T> Vector2 operator*=(T t) { return *this = *this * t; }
+	template<typename T> Vector2 operator/=(T t) { return *this = *this / t; }
+	template<typename T> bool operator==(T t) { return (x == t && y == t); }
+	template<typename T> bool operator!=(T t) { return (x != t || y != t); }
+};
+
+//This is explicitly a POD
+static_assert(std::is_pod<Vector2>::value, "Vector2 is not a POD");

instructions.txt

@@ -15,25 +15,21 @@ Instructions For Setup
 -------------------------
 
 1. To create a server, simply run server.exe
-	(a public server "Island Home" is provided by default)
+	(a public server is provided by default)
-2. To play, run client.exe
+2. To join a server, your player information must be input into rsc/config.cfg
-3. Your unique information should be inputted into the lobby screen, replacing
+	(NOTE: This process will be streamlined later)
-	the default values.
+3. To change the config settings, open rsc/config.cfg
-4. There are currently two options for avatars:
+4. These settings must be unique for each player:
 
-* character1.png #male
+* client.username
-* character2.png #female
+* client.handle
 
-5. Select a server, and click join.
+5. There are currently two options for 'client.avatar':
-
--------------------------
-Linux Users
--------------------------
-
-Before running this on linux, you may need to run the following commands:
-
-sudo apt-get install libsdl2-net-2.0-0
-sudo apt-get install libsdl2-image-2.0-0
-sudo apt-get install libsdl2-ttf-2.0-0
 
+* client.avatar = character1.png #male
+* client.avatar = character2.png #female
 
+6. When you've correctly set these values, run client.exe, and select 'Start'
+	from the main menu; this displays the list of available servers.
+7. Select the name of a server (default is 'Public') and select 'Join'.
+8. Welcome to Tortuga, enjoy your stay.

makefile

@@ -7,9 +7,7 @@
 OUTDIR=out
 BINDIR=bin
 
-all: $(OUTDIR) dll
+all: $(OUTDIR) binary
-	$(MAKE) -C TurtleGUI
-	$(MAKE) -C TurtleMap
 	$(MAKE) -C common
 	$(MAKE) -C server
 	$(MAKE) -C client
@@ -17,9 +15,7 @@ all: $(OUTDIR) dll
 debug: export CXXFLAGS+=-g
 debug: clean all
 
-ifeq ($(OS),Windows_NT)
 release: export CXXFLAGS+=-static-libgcc -static-libstdc++
-endif
 release: clean all package
 
 #For use on my machine ONLY
@@ -31,7 +27,7 @@ else ifeq ($(shell uname), Linux)
 	tar -C $(OUTDIR) -zcvf Tortuga-linux.tar client server ../rsc ../copyright.txt ../instructions.txt
 endif
 
-dll: $(OUTDIR)
+binary: $(OUTDIR)
 ifeq ($(OS),Windows_NT)
 	xcopy /Y $(BINDIR)\\*.dll $(OUTDIR)
 endif

rsc/config.cfg

@@ -2,7 +2,6 @@
 #TODO: (9) split this file in two, one for each program
 
 #server specific settings
-server.home = island.krgamestudios.com
 server.host = 255.255.255.255
 server.port = 21795
 server.name = local
@@ -15,7 +14,6 @@ server.dbname = database.db
 #client.screen.f = false #NOTE: fullscreen option is currently disabled
 
 client.username = username
-client.password = password
 client.handle = handle
 client.avatar = character2.png
 

rsc/data/items.csv

@@ -1,5 +0,0 @@
-#Format (4 columns): "name", type, "sprite.png", stackable
-"Sword",weapon,"sword.png",false
-"Staff",weapon,"staff.png",false
-"Dagger",weapon,"dagger.png",false
-"Potion",consumable,"potion.png",true