A few tweaks

makefile

@@ -3,14 +3,15 @@
 #MKDIR=mkdir
 #RM=del /y
 
-#CXXFLAGS+=-static-libgcc -static-libstdc++ -g -fno-inline-functions -Wall
-#CXXFLAGS+=-static-libgcc -static-libstdc++
+CXXFLAGS+=-static-libgcc -static-libstdc++
 
-#export
+export
 
 OUTDIR=out
 
 all: $(OUTDIR)
+	$(MAKE) -C utils
+	$(MAKE) -C mapgen
 	$(MAKE) -C src
 
 $(OUTDIR):

mapgen/makefile

@@ -1,5 +1,5 @@
 #config
-INCLUDES+=.
+INCLUDES+=. ../utils
 LIBS+=
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 

mapgen/map_generator.cpp

@@ -0,0 +1,120 @@
+/* Copyright: (c) Kayne Ruse 2014
+ * 
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ * 
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ * 
+ * 1. The origin of this software must not be misrepresented; you must not
+ * claim that you wrote the original software. If you use this software
+ * in a product, an acknowledgment in the product documentation would be
+ * appreciated but is not required.
+ * 
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ * misrepresented as being the original software.
+ * 
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+*/
+#include "map_generator.hpp"
+
+#include "vector2.hpp"
+
+#include <cmath>
+
+//-------------------------
+//Utility functions
+//-------------------------
+
+//snap to a grid (floating point version)
+static double snap(double x, double base) {
+	return floor(x / base) * base;
+}
+
+//A.K.A.: the dot product
+static double scalarProduct(Vector2 lhs, Vector2 rhs) {
+	return lhs.x * rhs.x + lhs.y * rhs.y;
+}
+
+//curved interpolation
+static double curve(double x) {
+	//param: 0 to 1 inclusive
+	return 3.0 * pow(x, 2.0) - 2.0 * pow(x, 3.0);
+}
+
+//fix the overflow
+static double curl(double x) {
+	if (x > 1.0) {
+		return -curl(x-1) +1;
+	}
+	if (x < 0.0) {
+		return curl(-x);
+	}
+	return x;
+}
+
+static double cut(double x) {
+	if (x > 1.0) {
+		return 1.0;
+	}
+	if (x < 0.0) {
+		return 0.0;
+	}
+	return x;
+}
+
+//-------------------------
+//Public methods
+//-------------------------
+
+Vector2 MapGenerator::RawNoise(Vector2 const& gridPoint) {
+	double angle = rng(gridPoint.x * 0xffff + gridPoint.y);
+	Vector2 v = {cos(angle), sin(angle)};
+	v.Normalize();
+	return v;
+}
+
+double MapGenerator::Influence(Vector2 const& gridPoint, Vector2 const& queryPoint, double width, double height) {
+	//note: inverting the distance here, so the smaller the distance the more influence it has
+	Vector2 distance = queryPoint - gridPoint;
+	Vector2 inverted = {width - distance.x, height - distance.y};
+	double ret = scalarProduct(RawNoise(gridPoint), inverted);
+	return ret > 0 ? ret : -ret;
+}
+
+double MapGenerator::ScaledNoise(double x, double y, double width, double height) {
+	Vector2 queryPoint = {x, y};
+
+	//the "grid points"
+	Vector2 tl = {snap(x, width), snap(y, height)};
+	Vector2 tr = {tl.x + width, tl.y};
+	Vector2 bl = {tl.x, tl.y + height};
+	Vector2 br = {tl.x + width, tl.y + height};
+
+	//influence equasion
+	double s = Influence(tl, queryPoint, width, height);
+	double t = Influence(tr, queryPoint, width, height);
+	double u = Influence(bl, queryPoint, width, height);
+	double v = Influence(br, queryPoint, width, height);
+
+	//Finally, calc the value
+	double a = s + curve((t - s) / width);
+	double b = u + curve((v - u) / width);
+	return curve((b - a) / height);
+}
+
+double MapGenerator::ScaledOctave(double x, double y, double width, double height, double octave) {
+	double ret = 0;
+	if (octave > 1) {
+		ret += ScaledOctave(x, y, width/2, height/2, octave-1);
+	}
+	return ret / octave + ScaledNoise(x, y, width, height);
+}
+
+double MapGenerator::GetPixel(double x, double y, double width, double height, double octave) {
+	//use this as a decorator function
+	return curl(ScaledOctave(x, y, width, height, octave));
+}

mapgen/map_generator.hpp

@@ -19,30 +19,26 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef FRAMERATE_HPP_
-#define FRAMERATE_HPP_
+#ifndef MAPGENERATOR_HPP_
+#define MAPGENERATOR_HPP_
 
-#include <chrono>
+#include "simple_rng.hpp"
 
-class FrameRate {
+#include "vector2.hpp"
+
+class MapGenerator {
 public:
-	typedef std::chrono::high_resolution_clock Clock;
+	MapGenerator() = default;
+	~MapGenerator() = default;
+
+	Vector2 RawNoise(Vector2 const&);
+	double Influence(Vector2 const& gridPoint, Vector2 const& queryPoint, double width, double height);
+	double ScaledNoise(double x, double y, double width, double height);
+	double ScaledOctave(double x, double y, double width, double height, double octave);
+	double GetPixel(double x, double y, double width, double height, double octave);
 
-	FrameRate() = default;
-	int Calculate() {
-		frameCount++;
-		if (Clock::now() - tick >= std::chrono::duration<int>(1)) {
-			lastFrameRate = frameCount;
-			frameCount = 0;
-			tick = Clock::now();
-		}
-		return lastFrameRate;
-	}
-	int GetFrameRate() { return lastFrameRate; }
 private:
-	int frameCount = 0;
-	int lastFrameRate = 0;
-	Clock::time_point tick = Clock::now();
+	SimpleRNG rng;
 };
 
-#endif
+#endif

out/rsc/setup.lua

@@ -1,3 +0,0 @@
---reroute the program while in development
-config = {debug = true}
-dofile("../rsc/setup.lua")

rsc/scripts/file_format.lua

@@ -1,9 +0,0 @@
---overwriting the existing hard coded methods
-function Region.Load(region)
-	--the return value signals if this succeeded or failed
-	return false
-end
-
-function Region.Save(region)
-	--
-end

rsc/scripts/generator.lua

@@ -1,16 +0,0 @@
---uber lazy declarations
-function math.sqr(x) return x*x end
-function math.dist(x, y, i, j) return math.sqrt(math.sqr(x-i) + math.sqr(y-j)) end
-
---define these
-function Region.Create(region)
-	for i = 1, Region.GetWidth() do
-		for j = 1, Region.GetHeight() do
-			Region.SetTile(region, i, j, 1, 1) --to show the basics are working
-		end
-	end
-end
-
-function Region.Unload(region)
-	--
-end

rsc/scripts/in_world.lua

@@ -1,33 +0,0 @@
-local sheet = TileSheet.GetTileSheet()
-local pager = RegionPager.GetRegionPager()
-
---the selected tilesheet
-TileSheet.Load(sheet, config.dir.tilesets .. "terrain.bmp", 32, 32)
-
---tile macros, mapped to this tilesheet
-local base = 14
-local shift = 36
-tiles = {
-	plains	= base + shift * 0,
-	grass	= base + shift * 1,
-	dirt	= base + shift * 2,
-	sand	= base + shift * 3,
-	water	= base + shift * 4
-}
-
---could set custom generation systems here, that differ from the global generators, etc.
-function Region.Create(region)
-	for i = 1, Region.GetWidth() do
-		for j = 1, Region.GetHeight() do
-			local dist = math.dist(0, 0, i + Region.GetX(region) -1, j + Region.GetY(region) -1)
-			if dist < 10 then
-				Region.SetTile(region, i, j, 1, tiles.plains)
-			elseif dist < 12 then
-				Region.SetTile(region, i, j, 1, tiles.sand)
-			else
-				Region.SetTile(region, i, j, 1, tiles.water)
-				Region.SetSolid(region, i, j, true)
-			end
-		end
-	end
-end

rsc/setup.lua

@@ -1,42 +0,0 @@
---[[
-	--reroute the program while in development
-	config = {debug = true}
-	dofile("../rsc/setup.lua")
---]]
-
---catch the debug signal if the program was rerouted
-local debug = false
-if config ~= nil then
-	debug = config.debug
-end
-
---the program's configuration
-config = {
-	debug = debug,
-	screen = {
-		width = 800,
-		height = 600,
-		fullscreen = false
-	},
-	dir = {
-		fonts = "rsc/graphics/fonts/",
-		logos = "rsc/graphics/logos/",
-		sprites = "rsc/graphics/sprites/",
-		tilesets = "rsc/graphics/tilesets/",
-		interface = "rsc/graphics/interface/",
-		scripts = "rsc/scripts/",
-		maps = "rsc/maps/"
-	},
-	mapname = "mapname"
-}
-
---development environment
-if config.debug then
-	for k, v in pairs(config.dir) do
-		config.dir[k] = string.format("../%s", v)
-	end
-end
-
---"load" the scripted systems
-dofile(config.dir.scripts .. "file_format.lua")
-dofile(config.dir.scripts .. "generator.lua")

src/application.cpp

@@ -21,82 +21,27 @@
 */
 #include "application.hpp"
 
-#include "timer.hpp"
-
 #include <stdexcept>
 #include <chrono>
-#include <iostream>
+#include <sstream>
 
 //-------------------------
 //Scene headers
 //-------------------------
 
 //Add the custom scene headers here
-#include "splash_screen.hpp"
-#include "main_menu.hpp"
-#include "options_menu.hpp"
-#include "in_world.hpp"
+#include "shell_scene.hpp"
 
 //-------------------------
 //Public access members
 //-------------------------
 
 void Application::Init(int argc, char** argv) {
-	std::cout << "Beginning " << argv[0] << std::endl;
-
-	//-------------------------
-	//Initialize the APIs
-	//-------------------------
-
 	//initialize SDL
 	if (SDL_Init(SDL_INIT_VIDEO)) {
 		throw(std::runtime_error("Failed to initialize SDL"));
 	}
-	std::cout << "Initialized SDL" << std::endl;
-
-	//initialize lua
-	lua = luaL_newstate();
-	if (!lua) {
-		throw(std::runtime_error("Failed to initialize lua"));
-	}
-	luaL_openlibs(lua);
-	std::cout << "Initialized lua" << std::endl;
-
-	if (luaL_dofile(lua, "rsc\\setup.lua")) {
-		throw(std::runtime_error("Failed to initialize lua's startup script"));
-	}
-	std::cout << "Initialized lua's setup script" << std::endl;
-
-	//-------------------------
-	//Setup the screen
-	//-------------------------
-
-	lua_getglobal(lua, "config");
-	lua_getfield(lua, 1, "screen");
-	lua_getfield(lua, 2, "width");
-	lua_getfield(lua, 2, "height");
-	lua_getfield(lua, 2, "fullscreen");
-
-	int w = lua_tointeger(lua, 3);
-	int h = lua_tointeger(lua, 4);
-	int f = lua_toboolean(lua, 5);
-
-	lua_pop(lua, 5);
-
-	BaseScene::SetScreen(w ? w : 800, h ? h : 600, 0, f ? SDL_HWSURFACE|SDL_DOUBLEBUF|SDL_FULLSCREEN : SDL_HWSURFACE|SDL_DOUBLEBUF);
-	std::cout << "Initialized the screen" << std::endl;
-
-	//-------------------------
-	//finalize the startup
-	//-------------------------
-
-	std::cout << "Startup completed successfully" << std::endl;
-
-	//-------------------------
-	//debugging
-	//-------------------------
-
-	//...
+	BaseScene::SetScreen(800, 600, 0, SDL_HWSURFACE|SDL_DOUBLEBUF);
 }
 
 void Application::Proc() {
@@ -120,8 +65,6 @@ void Application::Proc() {
 		//update the current time
 		realTime = Clock::now();
 
-		Timer runTimer("run");
-
 		//simulate game time
 		while (simTime < realTime) {
 			//call each user defined function
@@ -129,28 +72,15 @@ void Application::Proc() {
 			simTime += delta;
 		}
 
-		runTimer.Stop();
-
-		Timer renderTimer("render");
-
 		//draw the game to the screen
 		activeScene->RenderFrame();
-
-		renderTimer.Stop();
-
-		//debugging output
-//		std::cout << runTimer << std::endl;
-//		std::cout << renderTimer << std::endl;
 	}
 
 	UnloadScene();
 }
 
 void Application::Quit() {
-	std::cout << "Shutting down" << std::endl;
-	lua_close(lua);
 	SDL_Quit();
-	std::cout << "Clean exit" << std::endl;
 }
 
 //-------------------------
@@ -162,20 +92,15 @@ void Application::LoadScene(SceneList sceneIndex) {
 	switch(sceneIndex) {
 		//add scene creation calls here
 		case SceneList::FIRST:
-		case SceneList::SPLASHSCREEN:
-			activeScene = new SplashScreen(lua);
+		case SceneList::SHELL:
+			activeScene = new ShellScene();
 		break;
-		case SceneList::MAINMENU:
-			activeScene = new MainMenu(lua);
-		break;
-		case SceneList::OPTIONSMENU:
-			activeScene = new OptionsMenu(lua);
-		break;
-		case SceneList::INWORLD:
-			activeScene = new InWorld(lua);
-		break;
-		default:
-			throw(std::logic_error("Failed to recognize the scene index"));
+		default: {
+			std::ostringstream msg;
+			msg << "Failed to recognize the scene index: ";
+			msg << sceneIndex;
+			throw(std::logic_error(msg.str()));
+		}
 	}
 }
 

src/application.hpp

@@ -25,8 +25,6 @@
 #include "scene_list.hpp"
 #include "base_scene.hpp"
 
-#include "lua/lua.hpp"
-
 class Application {
 public:
 	Application() = default;
@@ -42,8 +40,6 @@ private:
 	void UnloadScene();
 
 	BaseScene* activeScene = nullptr;
-
-	lua_State* lua = nullptr;
 };
 
-#endif
+#endif

src/character.cpp

@@ -1,61 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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 "character.hpp"
-
-void Character::Update(double delta) {
-	if (motion.x && motion.y) {
-		origin += motion * delta * CHARACTER_WALKING_MOD;
-	}
-	else if (motion != 0) {
-		origin += motion * delta;
-	}
-	sprite.Update(delta);
-}
-
-void Character::DrawTo(SDL_Surface* const dest, int camX, int camY) {
-	sprite.DrawTo(dest, origin.x - camX, origin.y - camY);
-}
-
-void Character::CorrectSprite() {
-	//NOTE: These must correspond to the sprite sheet in use
-	if (motion.y > 0) {
-		sprite.SetYIndex(0);
-	}
-	else if (motion.y < 0) {
-		sprite.SetYIndex(1);
-	}
-	else if (motion.x > 0) {
-		sprite.SetYIndex(3);
-	}
-	else if (motion.x < 0) {
-		sprite.SetYIndex(2);
-	}
-
-	//animation
-	if (motion != 0) {
-		sprite.SetDelay(0.1);
-	}
-	else {
-		sprite.SetDelay(0);
-		sprite.SetXIndex(0);
-	}
-}

src/character.hpp

@@ -1,69 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef CHARACTER_HPP_
-#define CHARACTER_HPP_
-
-//components
-#include "vector2.hpp"
-#include "bounding_box.hpp"
-
-//graphics
-#include "sprite_sheet.hpp"
-
-//std namespace
-#include <cmath>
-
-//the speeds that the characters move
-constexpr double CHARACTER_WALKING_SPEED = 140.0;
-constexpr double CHARACTER_WALKING_MOD = 1.0/sqrt(2.0);
-
-class Character {
-public:
-	Character() = default;
-	~Character() = default;
-
-	void Update(double delta);
-
-	//graphics
-	void DrawTo(SDL_Surface* const, int camX, int camY);
-	void CorrectSprite();
-	SpriteSheet* GetSprite() { return &sprite; }
-
-	//accessors and mutators
-	Vector2 SetOrigin(Vector2 v) { return origin = v; }
-	Vector2 GetOrigin() const { return origin; }
-	Vector2 SetMotion(Vector2 v) { return motion = v; }
-	Vector2 GetMotion() const { return motion; }
-	BoundingBox SetBoundingBox(BoundingBox b) { return bounds = b; }
-	BoundingBox GetBoundingBox() const { return bounds; }
-
-private:
-	//graphics
-	SpriteSheet sprite;
-
-	//position
-	Vector2 origin = {0.0,0.0};
-	Vector2 motion = {0.0,0.0};
-	BoundingBox bounds;
-};
-
-#endif

src/debugging/timer.hpp

@@ -1,54 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef TIMER_HPP_
-#define TIMER_HPP_
-
-#include <chrono>
-#include <string>
-#include <ostream>
-
-class Timer {
-public:
-	typedef std::chrono::high_resolution_clock Clock;
-
-	Timer() = default;
-	Timer(std::string s) : name(s), start(Clock::now()) {};
-	~Timer() = default;
-
-	inline void Start() { start = Clock::now(); }
-	inline void Stop() { time = Clock::now() - start; }
-
-	//accessors and mutators
-	Clock::duration GetTime() { return time; }
-
-	std::string SetName(std::string s) { return name = s; }
-	std::string GetName() { return name; }
-
-private:
-	std::string name;
-	Clock::time_point start;
-	Clock::duration time;
-};
-
-std::ostream& operator<<(std::ostream& os, Timer& t);
-
-#endif

src/graphics/makefile

@@ -1,37 +0,0 @@
-#config
-INCLUDES+=.
-LIBS+=
-CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
-
-#source
-CXXSRC=$(wildcard *.cpp)
-
-#objects
-OBJDIR=obj
-OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
-
-#output
-OUTDIR=..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
-#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 $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

src/graphics/sprite_sheet.cpp

@@ -1,102 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "sprite_sheet.hpp"
-
-#include <stdexcept>
-#include <sstream>
-
-void SpriteSheet::Update(double delta) {
-	if (delay && (tick += delta) >= delay) {
-		if (++xIndex >= xCount) {
-			xIndex = 0;
-		}
-		tick = 0;
-	}
-	image.SetClipX(xIndex * image.GetClipW());
-	image.SetClipY(yIndex * image.GetClipH());
-}
-
-SDL_Surface* SpriteSheet::LoadSurface(std::string fname, Uint16 xCellCount, Uint16 yCellCount) {
-	image.LoadSurface(fname);
-
-	xCount = xCellCount;
-	yCount = yCellCount;
-
-	image.SetClipW(image.GetSurface()->w / xCount);
-	image.SetClipH(image.GetSurface()->h / yCount);
-
-	xIndex = yIndex = 0;
-	delay = tick = 0.0;
-}
-
-SDL_Surface* SpriteSheet::SetSurface(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount) {
-	image.SetSurface(surface);
-
-	xCount = xCellCount;
-	yCount = yCellCount;
-
-	image.SetClipW(image.GetSurface()->w / xCount);
-	image.SetClipH(image.GetSurface()->h / yCount);
-
-	xIndex = yIndex = 0;
-	delay = tick = 0.0;
-}
-
-void SpriteSheet::FreeSurface() {
-	image.FreeSurface();
-	xCount = yCount = 0;
-	xIndex = yIndex = 0;
-	delay = tick = 0.0;
-}
-
-Uint16 SpriteSheet::SetXCount(Uint16 i) {
-	xIndex = 0;
-	return xCount = i;
-}
-
-Uint16 SpriteSheet::SetYCount(Uint16 i) {
-	yIndex = 0;
-	return yCount = i;
-}
-
-Uint16 SpriteSheet::SetXIndex(Uint16 i) {
-	if (i > xCount) {
-		std::ostringstream os;
-		os << "Cannot set x index to " << i;
-		throw(std::invalid_argument(os.str()));
-	}
-	return xIndex = i;
-}
-
-Uint16 SpriteSheet::SetYIndex(Uint16 i) {
-	if (i > yCount) {
-		std::ostringstream os;
-		os << "Cannot set y index to " << i;
-		throw(std::invalid_argument(os.str()));
-	}
-	return yIndex = i;
-}
-
-double SpriteSheet::SetDelay(double d) {
-	tick = 0;
-	return delay = d;
-}

src/graphics/sprite_sheet.hpp

@@ -1,66 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef SPRITESHEET_HPP_
-#define SPRITESHEET_HPP_
-
-#include "image.hpp"
-
-class SpriteSheet {
-public:
-	SpriteSheet() = default;
-	SpriteSheet(std::string fname, Uint16 xCellCount, Uint16 yCellCount) { LoadSurface(fname, xCellCount, yCellCount); }
-	SpriteSheet(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount) { SetSurface(surface, xCellCount, yCellCount); }
-	~SpriteSheet() { FreeSurface(); };
-
-	void Update(double delta);
-
-	SDL_Surface* LoadSurface(std::string fname, Uint16 xCellCount, Uint16 yCellCount);
-	SDL_Surface* SetSurface(SDL_Surface* surface, Uint16 xCellCount, Uint16 yCellCount);
-	SDL_Surface* GetSurface() { return image.GetSurface(); }
-	void FreeSurface();
-
-	void DrawTo(SDL_Surface* const dest, Sint16 x, Sint16 y) { image.DrawTo(dest, x, y); }
-
-	//accessors and mutators
-	Image* GetImage() { return ℑ } //OO breaker
-
-	Uint16 SetXCount(Uint16);
-	Uint16 SetYCount(Uint16);
-	Uint16 SetXIndex(Uint16);
-	Uint16 SetYIndex(Uint16);
-
-	Uint16 GetXCount() const { return xCount; }
-	Uint16 GetYCount() const { return yCount; }
-	Uint16 GetXIndex() const { return xIndex; }
-	Uint16 GetYIndex() const { return yIndex; }
-
-	double SetDelay(double d);
-	double GetDelay() const { return delay; }
-
-private:
-	Image image;
-	Uint16 xCount = 0, yCount = 0; //number of cells
-	Uint16 xIndex = 0, yIndex = 0; //current cell being drawn
-	double delay = 0.0, tick = 0.0;
-};
-
-#endif

src/in_world.cpp

@@ -1,257 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "in_world.hpp"
-
-#include "timer.hpp"
-
-#include "utility.hpp"
-
-#include "region_pager_api.hpp"
-#include "tile_sheet_api.hpp"
-
-#include <iostream>
-
-//-------------------------
-//Public access members
-//-------------------------
-
-InWorld::InWorld(lua_State* L): lua(L) {
-	//register the pager
-	lua_pushstring(lua, TORTUGA_REGION_PAGER_PSEUDO_INDEX);
-	lua_pushlightuserdata(lua, &pager);
-	lua_settable(L, LUA_REGISTRYINDEX);
-
-	//register the tilesheet
-	lua_pushstring(lua, TORTUGA_TILE_SHEET_PSEUDO_INDEX);
-	lua_pushlightuserdata(lua, &tileSheet);
-	lua_settable(L, LUA_REGISTRYINDEX);
-
-	//setup the component objecrs
-	pager.SetLuaState(lua);
-
-	//get the config info
-	lua_getglobal(lua, "config");
-	lua_getfield(lua, -1, "dir");
-	lua_getfield(lua, -1, "fonts");
-	std::string fonts = lua_tostring(lua, -1);
-	lua_getfield(lua, -2, "interface");
-	std::string interface = lua_tostring(lua, -1);
-	lua_getfield(lua, -3, "sprites");
-	std::string sprites = lua_tostring(lua, -1);
-	lua_getfield(lua, -4, "scripts");
-	std::string scripts = lua_tostring(lua, -1);
-	lua_pop(lua, 6);
-
-	//run the additional scripts
-	if (luaL_dofile(lua, (scripts + "in_world.lua").c_str())) {
-		throw(std::runtime_error(std::string() + "Failed to run in_world.lua: " + lua_tostring(lua, -1) ));
-	}
-
-	//setup the utility objects
-	buttonImage.LoadSurface(interface + "button_menu.bmp");
-	buttonImage.SetClipH(buttonImage.GetClipH()/3);
-	font.LoadSurface(fonts + "pk_white_8.bmp");
-
-	//pass the utility objects
-	backButton.SetImage(&buttonImage);
-	backButton.SetFont(&font);
-
-	//set the button positions
-	backButton.SetX(50);
-	backButton.SetY(50 + buttonImage.GetClipH() * 0);
-
-	//set the button texts
-	backButton.SetText("Back");
-
-	//entities
-	character.GetSprite()->LoadSurface(sprites + "elliot2.bmp", 4, 4);
-	character.SetBoundingBox({0, 0,
-		character.GetSprite()->GetImage()->GetClipW(),
-		character.GetSprite()->GetImage()->GetClipH()
-	});
-
-	//setup the camera
-	camera.margin.x = GetScreen()->w / 2 - character.GetSprite()->GetImage()->GetClipW() / 2;
-	camera.margin.y = GetScreen()->h / 2 - character.GetSprite()->GetImage()->GetClipH() / 2;
-
-	//debug
-	//
-}
-
-InWorld::~InWorld() {
-	//unregister the map components
-	lua_pushstring(lua, TORTUGA_REGION_PAGER_PSEUDO_INDEX);
-	lua_pushstring(lua, TORTUGA_TILE_SHEET_PSEUDO_INDEX);
-	lua_pushnil(lua);
-	lua_settable(lua, LUA_REGISTRYINDEX);
-	lua_pushnil(lua);
-	lua_settable(lua, LUA_REGISTRYINDEX);
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void InWorld::FrameStart() {
-	//
-}
-
-void InWorld::Update(double delta) {
-	//update the entities
-	character.Update(delta);
-
-	//check for collisions with the map
-	BoundingBox wallBounds = {0, 0, tileSheet.GetTileW(), tileSheet.GetTileH()};
-	const int xCount = character.GetBoundingBox().w / wallBounds.w + 1;
-	const int yCount = character.GetBoundingBox().h / wallBounds.h + 1;
-
-	for (int i = -1; i <= xCount; ++i) {
-		for (int j = -1; j <= yCount; ++j) {
-			//set the wall's position
-			wallBounds.x = wallBounds.w * i + snapToBase((double)wallBounds.w, character.GetOrigin().x);
-			wallBounds.y = wallBounds.h * j + snapToBase((double)wallBounds.h, character.GetOrigin().y);
-
-			if (!pager.GetSolid(wallBounds.x / wallBounds.w, wallBounds.y / wallBounds.h)) {
-				continue;
-			}
-
-			if ((character.GetOrigin() + character.GetBoundingBox()).CheckOverlap(wallBounds)) {
-				character.SetOrigin(character.GetOrigin() - (character.GetMotion() * delta));
-				character.SetMotion({0,0});
-				character.CorrectSprite();
-			}
-		}
-	}
-
-	//update the camera
-	camera.origin.x = character.GetOrigin().x - camera.margin.x;
-	camera.origin.y = character.GetOrigin().y - camera.margin.y;
-
-	//TODO: prune distant regions
-
-	//summon nearby unloaded regions
-	const int left = snapToBase(REGION_WIDTH, camera.origin.x / tileSheet.GetTileW());
-	const int top = snapToBase(REGION_HEIGHT, camera.origin.y / tileSheet.GetTileH());
-	const int right = snapToBase(REGION_WIDTH, (camera.origin.x + GetScreen()->w) / tileSheet.GetTileW());
-	const int bottom = snapToBase(REGION_HEIGHT, (camera.origin.y + GetScreen()->h) / tileSheet.GetTileH());
-
-	for (int i = left - REGION_WIDTH; i <= right + REGION_WIDTH; i += REGION_WIDTH) {
-		for (int j = top - REGION_HEIGHT; j <= bottom + REGION_HEIGHT; j += REGION_HEIGHT) {
-			pager.GetRegion(i, j);
-		}
-	}
-}
-
-void InWorld::FrameEnd() {
-	//
-}
-
-void InWorld::RenderFrame() {
-//	SDL_FillRect(GetScreen(), 0, 0);
-	Render(GetScreen());
-	SDL_Flip(GetScreen());
-	fps.Calculate();
-}
-
-void InWorld::Render(SDL_Surface* const screen) {
-	//draw all regions
-	for (std::list<Region>::iterator it = pager.GetContainer()->begin(); it != pager.GetContainer()->end(); it++) {
-		tileSheet.DrawRegionTo(screen, &(*it), camera.origin.x, camera.origin.y);
-	}
-
-	//draw the characters
-	character.DrawTo(screen, camera.origin.x, camera.origin.y);
-
-	//draw the UI
-	backButton.DrawTo(screen);
-	font.DrawStringTo(to_string_custom(fps.GetFrameRate()), screen, 0, 0);
-}
-
-//-------------------------
-//Event handlers
-//-------------------------
-
-void InWorld::QuitEvent() {
-	//exit the game
-	SetNextScene(SceneList::QUIT);
-}
-
-void InWorld::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	backButton.MouseMotion(motion);
-}
-
-void InWorld::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	backButton.MouseButtonDown(button);
-}
-
-void InWorld::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (backButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::MAINMENU);
-	}
-}
-
-void InWorld::KeyDown(SDL_KeyboardEvent const& key) {
-	//player movement
-	Vector2 motion = character.GetMotion();
-	switch(key.keysym.sym) {
-		case SDLK_LEFT:
-			motion.x -= CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_RIGHT:
-			motion.x += CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_UP:
-			motion.y -= CHARACTER_WALKING_SPEED;
-		break;
-		case SDLK_DOWN:
-			motion.y += CHARACTER_WALKING_SPEED;
-		break;
-	}
-	if (character.GetMotion() != motion) {
-		character.SetMotion(motion);
-		character.CorrectSprite();
-	}
-}
-
-void InWorld::KeyUp(SDL_KeyboardEvent const& key) {
-	//player movement
-	Vector2 motion = character.GetMotion();
-	switch(key.keysym.sym) {
-		//NOTE: The use of min/max here are to prevent awkward movements
-		case SDLK_LEFT:
-			motion.x = std::min(motion.x + CHARACTER_WALKING_SPEED, 0.0);
-		break;
-		case SDLK_RIGHT:
-			motion.x = std::max(motion.x - CHARACTER_WALKING_SPEED, 0.0);
-		break;
-		case SDLK_UP:
-			motion.y = std::min(motion.y + CHARACTER_WALKING_SPEED, 0.0);
-		break;
-		case SDLK_DOWN:
-			motion.y = std::max(motion.y - CHARACTER_WALKING_SPEED, 0.0);
-		break;
-	}
-	if (character.GetMotion() != motion) {
-		character.SetMotion(motion);
-		character.CorrectSprite();
-	}
-}

src/in_world.hpp

@@ -1,93 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef INWORLD_HPP_
-#define INWORLD_HPP_
-
-//graphics & ui
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-
-//map stuff
-#include "tile_sheet.hpp"
-#include "region_pager_lua.hpp"
-
-//entities
-#include "character.hpp"
-
-//utilities
-#include "frame_rate.hpp"
-
-//framework
-#include "base_scene.hpp"
-
-//APIs
-#include "lua/lua.hpp"
-
-class InWorld : public BaseScene {
-public:
-	//Public access members
-	InWorld(lua_State* L);
-	~InWorld();
-
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update(double delta);
-	void FrameEnd();
-	void RenderFrame();
-	void Render(SDL_Surface* const);
-
-	//Event handlers
-	void QuitEvent();
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
-
-	struct {
-		struct {
-			int x, y;
-		}origin, margin;
-	}camera;
-
-	//shared parameters
-	lua_State* lua = nullptr;
-
-	//graphics
-	Image buttonImage;
-	RasterFont font;
-
-	//map stuff
-	TileSheet tileSheet;
-	RegionPagerLua pager;
-
-	//entities
-	Character character;
-
-	//UI
-	Button backButton;
-	FrameRate fps;
-};
-
-#endif

src/linit.cpp

@@ -1,85 +0,0 @@
-/* $Id: linit.c,v 1.32, modified
- * Initialization of libraries for lua.c and other clients
- * See Copyright Notice in lua.h
- * 
- * If you embed Lua in your program and need to open the standard
- * libraries, call luaL_openlibs in your program. If you need a
- * different set of libraries, copy this file to your project and edit
- * it to suit your needs.
- * 
- * Modified for use in Tortuga, renamed to linit.cpp
- * Modifications are released under the zlib license:
- * 
- * Copyright: (c) Kayne Ruse 2014
- * 
- * 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.
-*/
-#define linit_c
-#define LUA_LIB
-
-#include "lua/lua.hpp"
-
-#include "region_api.hpp"
-#include "region_pager_api.hpp"
-#include "tile_sheet_api.hpp"
-
-//these libs are loaded by lua.c and are readily available to any Lua program
-static const luaL_Reg loadedlibs[] = {
-	//Standard libs
-	{"_G", luaopen_base},
-	{LUA_LOADLIBNAME, luaopen_package},
-	{LUA_COLIBNAME, luaopen_coroutine},
-	{LUA_TABLIBNAME, luaopen_table},
-	{LUA_IOLIBNAME, luaopen_io},
-	{LUA_OSLIBNAME, luaopen_os},
-	{LUA_STRLIBNAME, luaopen_string},
-	{LUA_BITLIBNAME, luaopen_bit32},
-	{LUA_MATHLIBNAME, luaopen_math},
-	{LUA_DBLIBNAME, luaopen_debug},
-
-	//Tortuga's API
-	{TORTUGA_REGION_NAME, openRegionAPI},
-	{TORTUGA_REGION_PAGER_NAME, openRegionPagerAPI},
-	{TORTUGA_TILE_SHEET_NAME, openTileSheetAPI},
-
-	{NULL, NULL}
-};
-
-
-//these libs are preloaded and must be required before used
-static const luaL_Reg preloadedlibs[] = {
-	{NULL, NULL}
-};
-
-LUALIB_API void luaL_openlibs (lua_State *L) {
-	const luaL_Reg *lib;
-	//call open functions from 'loadedlibs' and set results to global table
-	for (lib = loadedlibs; lib->func; lib++) {
-		luaL_requiref(L, lib->name, lib->func, 1);
-		lua_pop(L, 1); //remove lib
-	}
-	//add open functions from 'preloadedlibs' into 'package.preload' table
-	luaL_getsubtable(L, LUA_REGISTRYINDEX, "_PRELOAD");
-	for (lib = preloadedlibs; lib->func; lib++) {
-		lua_pushcfunction(L, lib->func);
-		lua_setfield(L, -2, lib->name);
-	}
-	lua_pop(L, 1); //remove _PRELOAD table
-}

src/main.cpp

@@ -27,6 +27,7 @@
 using namespace std;
 
 int main(int argc, char** argv) {
+	cout << "Beginning " << argv[0] << endl;
 	try {
 		Application app;
 		app.Init(argc, argv);
@@ -37,5 +38,6 @@ int main(int argc, char** argv) {
 		cerr << "Fatal exception thrown: " << e.what() << endl;
 		return 1;
 	}
+	cout << "Clean exit" << endl;
 	return 0;
 }

src/main_menu.cpp

@@ -1,128 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "main_menu.hpp"
-
-//-------------------------
-//Public access members
-//-------------------------
-
-MainMenu::MainMenu(lua_State* L): lua(L) {
-	//get the config info
-	lua_getglobal(lua, "config");
-	lua_getfield(lua, -1, "dir");
-	lua_getfield(lua, -1, "interface");
-	std::string interface = lua_tostring(lua, -1);
-	lua_getfield(lua, -2, "fonts");
-	std::string fonts = lua_tostring(lua, -1);
-	lua_pop(lua, 4);
-
-	//setup the utility objects
-	image.LoadSurface(interface + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(fonts + "pk_white_8.bmp");
-
-	//pass the utility objects
-	startButton.SetImage(&image);
-	startButton.SetFont(&font);
-	optionsButton.SetImage(&image);
-	optionsButton.SetFont(&font);
-	quitButton.SetImage(&image);
-	quitButton.SetFont(&font);
-
-	//set the button positions
-	startButton.SetX(50);
-	startButton.SetY(50 + image.GetClipH() * 0);
-	optionsButton.SetX(50);
-	optionsButton.SetY(50 + image.GetClipH() * 1);
-	quitButton.SetX(50);
-	quitButton.SetY(50 + image.GetClipH() * 2);
-
-	//set the button texts
-	startButton.SetText("Start");
-	optionsButton.SetText("Options");
-	quitButton.SetText("Quit");
-
-	//debug
-	//
-}
-
-MainMenu::~MainMenu() {
-	//
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void MainMenu::FrameStart() {
-	//
-}
-
-void MainMenu::Update(double delta) {
-	//
-}
-
-void MainMenu::FrameEnd() {
-	//
-}
-
-void MainMenu::Render(SDL_Surface* const screen) {
-	startButton.DrawTo(screen);
-	optionsButton.DrawTo(screen);
-	quitButton.DrawTo(screen);
-}
-
-//-------------------------
-//Event handlers
-//-------------------------
-
-void MainMenu::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	startButton.MouseMotion(motion);
-	optionsButton.MouseMotion(motion);
-	quitButton.MouseMotion(motion);
-}
-
-void MainMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	startButton.MouseButtonDown(button);
-	optionsButton.MouseButtonDown(button);
-	quitButton.MouseButtonDown(button);
-}
-
-void MainMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (startButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::INWORLD);
-	}
-	if (optionsButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::OPTIONSMENU);
-	}
-	if (quitButton.MouseButtonUp(button) == Button::State::HOVER) {
-		QuitEvent();
-	}
-}
-
-void MainMenu::KeyDown(SDL_KeyboardEvent const& key) {
-	//
-}
-
-void MainMenu::KeyUp(SDL_KeyboardEvent const& key) {
-	//
-}

src/makefile

@@ -1,6 +1,6 @@
 #config
-INCLUDES+=. debugging graphics map ui utilities
-LIBS+=libcommon.a -lmingw32 -lSDLmain -lSDL -llua
+INCLUDES+=. ../utils ../mapgen
+LIBS+=../libcommon.a -lmingw32 -lSDLmain -lSDL
 CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
 
 #source
@@ -12,15 +12,10 @@ OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
 
 #output
 OUTDIR=../out
-OUT=$(addprefix $(OUTDIR)/,jam)
+OUT=$(addprefix $(OUTDIR)/,shell)
 
 #targets
 all: $(OBJ) $(OUT)
-	$(MAKE) -C debugging
-	$(MAKE) -C graphics
-	$(MAKE) -C map
-	$(MAKE) -C ui
-	$(MAKE) -C utilities
 	$(CXX) $(CXXFLAGS) -o $(OUT) $(OBJ) $(LIBS)
 
 $(OBJ): | $(OBJDIR)

src/map/makefile

@@ -1,37 +0,0 @@
-#config
-INCLUDES+=. ../graphics ../utilities
-LIBS+=
-CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
-
-#source
-CXXSRC=$(wildcard *.cpp)
-
-#objects
-OBJDIR=obj
-OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
-
-#output
-OUTDIR=..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
-#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 $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

src/map/region.cpp

@@ -1,55 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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 "utility.hpp"
-
-#include <stdexcept>
-#include <cstring>
-
-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) {
-	return tiles[x][y][z] = v;
-}
-
-Region::type_t Region::GetTile(int x, int y, int z) {
-	return tiles[x][y][z];
-}
-
-bool Region::SetSolid(int x, int y, bool b) {
-	return solid[x * REGION_WIDTH + y] = b;
-}
-
-bool Region::GetSolid(int x, int y) {
-	return solid[x * REGION_WIDTH + y];
-}

src/map/region.hpp

@@ -1,67 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef REGION_HPP_
-#define REGION_HPP_
-
-#include <bitset>
-#include <cmath>
-
-//the region's storage format
-constexpr int REGION_WIDTH = 20;
-constexpr int REGION_HEIGHT = 20;
-constexpr int REGION_DEPTH = 3;
-
-//the size of the solid map
-constexpr int REGION_SOLID_FOOTPRINT = ceil(REGION_WIDTH * REGION_HEIGHT / 8.0);
-
-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);
-
-	bool SetSolid(int x, int y, bool b);
-	bool GetSolid(int x, int y);
-
-	//accessors
-	int GetX() const { return x; }
-	int GetY() const { return y; }
-
-	std::bitset<REGION_WIDTH*REGION_HEIGHT>* GetSolidBitset() { return &solid; }
-private:
-	const int x;
-	const int y;
-
-	type_t tiles[REGION_WIDTH][REGION_HEIGHT][REGION_DEPTH];
-	std::bitset<REGION_WIDTH*REGION_HEIGHT> solid;
-};
-
-//the memory footprint of the tile and solid data; not including any metadata
-constexpr int REGION_FOOTPRINT = REGION_WIDTH * REGION_HEIGHT * REGION_DEPTH * sizeof(Region::type_t) + REGION_SOLID_FOOTPRINT;
-
-#endif

src/map/region_api.cpp

@@ -1,122 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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 int load(lua_State* L) {
-	//EMPTY
-	lua_pushboolean(L, false);
-	return 1;
-}
-
-static int save(lua_State* L) {
-	//EMPTY
-	return 0;
-}
-
-static int create(lua_State* L) {
-	//EMPTY
-	return 0;
-}
-
-static int unload(lua_State* L) {
-	//EMPTY
-	return 0;
-}
-
-static const luaL_Reg regionLib[] = {
-	{"SetTile",setTile},
-	{"GetTile",getTile},
-	{"SetSolid",setSolid},
-	{"GetSolid",getSolid},
-	{"GetX",getX},
-	{"GetY",getY},
-	{"GetWidth",getWidth},
-	{"GetHeight",getHeight},
-	{"GetDepth",getDepth},
-	{"Load",load},
-	{"Save",save},
-	{"Create",create},
-	{"Unload",unload},
-	{nullptr, nullptr}
-};
-
-LUAMOD_API int openRegionAPI(lua_State* L) {
-	luaL_newlib(L, regionLib);
-	return 1;
-}

src/map/region_api.hpp

@@ -1,30 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef REGIONAPI_HPP_
-#define REGIONAPI_HPP_
-
-#include "lua/lua.hpp"
-
-#define TORTUGA_REGION_NAME "Region"
-LUAMOD_API int openRegionAPI(lua_State* L);
-
-#endif

src/map/region_pager_api.cpp

@@ -1,115 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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"
-
-#include <string>
-
-static int getRegionPager(lua_State* L) {
-	lua_pushstring(L, TORTUGA_REGION_PAGER_PSEUDO_INDEX);
-	lua_gettable(L, LUA_REGISTRYINDEX);
-}
-
-//DOCS: These glue functions simply wrap RegionPagerLua's methods
-
-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));
-	pager->UnloadRegion(lua_tointeger(L, 2), lua_tointeger(L, 3));
-	return 0;
-}
-
-static const luaL_Reg regionPagerLib[] = {
-	{"GetRegionPager", getRegionPager},
-	{"SetTile", setTile},
-	{"GetTile", getTile},
-	{"SetSolid", setSolid},
-	{"GetSolid", getSolid},
-	{"GetRegion", getRegion},
-	{"LoadRegion", loadRegion},
-	{"SaveRegion", saveRegion},
-	{"CreateRegion", createRegion},
-	{"UnloadRegion", unloadRegion},
-	{nullptr, nullptr}
-};
-
-LUAMOD_API int openRegionPagerAPI(lua_State* L) {
-	luaL_newlib(L, regionPagerLib);
-	return 1;
-}

src/map/region_pager_api.hpp

@@ -1,31 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef REGIONPAGERAPI_HPP_
-#define REGIONPAGERAPI_HPP_
-
-#include "lua/lua.hpp"
-
-#define TORTUGA_REGION_PAGER_PSEUDO_INDEX "RegionPagerPseudoIndex"
-#define TORTUGA_REGION_PAGER_NAME "RegionPager"
-LUAMOD_API int openRegionPagerAPI(lua_State* L);
-
-#endif

src/map/region_pager_base.cpp

@@ -1,100 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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 "utility.hpp"
-
-#include <stdexcept>
-#include <algorithm>
-
-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);
-}
-
-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) {
-	//TODO: load the region if possible
-	return nullptr;
-}
-
-Region* RegionPagerBase::SaveRegion(int x, int y) {
-	//TODO: find & save the region
-	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::UnloadRegion(int x, int y) {
-	//custom loop, not FindRegion()
-	regionList.remove_if([x, y](Region& region) -> bool { return region.GetX() == x && region.GetY() == y; });
-}
-
-void RegionPagerBase::UnloadAll() {
-	regionList.clear();
-}

src/map/region_pager_base.hpp

@@ -1,60 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef REGIONPAGERBASE_HPP_
-#define REGIONPAGERBASE_HPP_
-
-#include "region.hpp"
-
-#include <list>
-
-class RegionPagerBase {
-public:
-	RegionPagerBase() = default;
-	virtual ~RegionPagerBase() { UnloadAll(); };
-
-	//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 UnloadRegion(int x, int y);
-
-	virtual void UnloadAll();
-
-	//accessors & mutators
-	std::list<Region>* GetContainer() { return &regionList; }
-protected:
-	std::list<Region> regionList;
-};
-
-#endif

src/map/region_pager_lua.cpp

@@ -1,123 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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 "utility.hpp"
-
-#include <stdexcept>
-
-Region* RegionPagerLua::LoadRegion(int x, int y) {
-	//load the region if possible
-
-	//something to work on
-	Region tmpRegion(x, y);
-
-	//API hook
-	lua_getglobal(lua, "Region");
-	lua_getfield(lua, -1, "Load");
-	lua_pushlightuserdata(lua, &tmpRegion);
-	if (lua_pcall(lua, 1, 1, 0) != LUA_OK) {
-		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
-	}
-	//success or failure
-	if (!lua_toboolean(lua, -1)) {
-		lua_pop(lua, 2);
-		return nullptr;
-	}
-	lua_pop(lua, 2);
-	regionList.push_front(tmpRegion);
-	return &regionList.front();
-}
-
-Region* RegionPagerLua::SaveRegion(int x, int y) {
-	//find & save the region
-	Region* ptr = FindRegion(x, y);
-	if (ptr) {
-		//API hook
-		lua_getglobal(lua, "Region");
-		lua_getfield(lua, -1, "Save");
-		lua_pushlightuserdata(lua, ptr);
-		if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
-			throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
-		}
-		lua_pop(lua, 1);
-	}
-	return ptr;
-}
-
-Region* RegionPagerLua::CreateRegion(int x, int y) {
-	if (FindRegion(x, y)) {
-		throw(std::logic_error("Cannot overwrite an existing region"));
-	}
-
-	//something to work on
-	Region tmpRegion(x, y);
-
-	//API hook
-	lua_getglobal(lua, "Region");
-	lua_getfield(lua, -1, "Create");
-	lua_pushlightuserdata(lua, &tmpRegion);
-	//TODO: parameters
-	if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
-		throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
-	}
-	lua_pop(lua, 1);
-	regionList.push_front(tmpRegion);
-	return &regionList.front();
-}
-
-void RegionPagerLua::UnloadRegion(int x, int y) {
-	lua_getglobal(lua, "Region");
-
-	regionList.remove_if([&](Region& region) -> bool {
-		if (region.GetX() == x && region.GetY() == y) {
-
-			//API hook
-			lua_getfield(lua, -1, "Unload");
-			lua_pushlightuserdata(lua, &region);
-			if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
-				throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
-			}
-
-			return true;
-		}
-		return false;
-	});
-
-	lua_pop(lua, 1);
-}
-
-void RegionPagerLua::UnloadAll() {
-	lua_getglobal(lua, "Region");
-
-	for (auto& it : regionList) {
-		//API hook
-		lua_getfield(lua, -1, "Unload");
-		lua_pushlightuserdata(lua, &it);
-		if (lua_pcall(lua, 1, 0, 0) != LUA_OK) {
-			throw(std::runtime_error(std::string() + "Lua error: " + lua_tostring(lua, -1) ));
-		}
-	}
-
-	lua_pop(lua, 1);
-	regionList.clear();
-}

src/map/region_pager_lua.hpp

@@ -1,51 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef REGIONPAGERLUA_HPP_
-#define REGIONPAGERLUA_HPP_
-
-#include "region_pager_base.hpp"
-
-#include "lua/lua.hpp"
-
-#include <string>
-
-class RegionPagerLua : public RegionPagerBase {
-public:
-	RegionPagerLua() = default;
-	~RegionPagerLua() = default;
-
-	//region manipulation
-	Region* LoadRegion(int x, int y) override;
-	Region* SaveRegion(int x, int y) override;
-	Region* CreateRegion(int x, int y) override;
-	void UnloadRegion(int x, int y) override;
-
-	void UnloadAll() override;
-
-	//accessors & mutators
-	lua_State* SetLuaState(lua_State* L) { return lua = L; }
-	lua_State* GetLuaState() { return lua; }
-protected:
-	lua_State* lua = nullptr;
-};
-
-#endif

src/map/tile_sheet.cpp

@@ -1,61 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * 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"
-
-void TileSheet::Load(std::string fname, int tileWidth, int tileHeight) {
-	image.LoadSurface(fname);
-	image.SetClipW(tileWidth);
-	image.SetClipH(tileHeight);
-	xCount = image.GetSurface()->w / image.GetClipW();
-	yCount = image.GetSurface()->h / image.GetClipH();
-}
-
-void TileSheet::Unload() {
-	image.FreeSurface();
-	xCount = yCount = 0;
-}
-
-void TileSheet::DrawTileTo(SDL_Surface* const dest, int x, int y, Region::type_t tile) {
-	//0 is invisible
-	if (tile == 0) return;
-	image.SetClipX((tile-1) % xCount * image.GetClipW());
-	image.SetClipY((tile-1) / xCount * image.GetClipH());
-	image.DrawTo(dest, x, y);
-}
-
-void TileSheet::DrawRegionTo(SDL_Surface* const dest, Region* const region, int camX, int camY) {
-	Region::type_t tile = 0;
-	for (register int i = 0; i < REGION_WIDTH; ++i) {
-		for (register int j = 0; j < REGION_HEIGHT; ++j) {
-			for (register int k = 0; k < REGION_DEPTH; ++k) {
-				tile = region->GetTile(i, j, k);
-				//0 is invisible
-				if (tile == 0) continue;
-				image.SetClipX((tile-1) % xCount * image.GetClipW());
-				image.SetClipY((tile-1) / xCount * image.GetClipH());
-				image.DrawTo(dest,
-					(region->GetX() + i) * image.GetClipW() - camX,
-					(region->GetY() + j) * image.GetClipH() - camY);
-			}
-		}
-	}
-}

src/map/tile_sheet.hpp

@@ -1,54 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef TILESHEET_HPP_
-#define TILESHEET_HPP_
-
-#include "region.hpp"
-
-#include "image.hpp"
-
-#include <string>
-
-class TileSheet {
-public:
-	TileSheet() = default;
-	TileSheet(std::string f, int w, int h) { Load(f, w, h); }
-	~TileSheet() = default;
-
-	void Load(std::string fname, int tileWidth, int tileHeight);
-	void Unload();
-
-	void DrawTileTo(SDL_Surface* const dest, int x, int y, Region::type_t tile);
-	void DrawRegionTo(SDL_Surface* const dest, Region* const region, int camX, int camY);
-
-	//accessors
-	Image* GetImage() { return &image; }
-	int GetXCount() { return xCount; }
-	int GetYCount() { return yCount; }
-	int GetTileW() { return image.GetClipW(); }
-	int GetTileH() { return image.GetClipH(); }
-private:
-	Image image;
-	int xCount = 0, yCount = 0;
-};
-
-#endif

src/map/tile_sheet_api.cpp

@@ -1,82 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#include "tile_sheet_api.hpp"
-
-#include "tile_sheet.hpp"
-
-static int getTileSheet(lua_State* L) {
-	lua_pushstring(L, TORTUGA_TILE_SHEET_PSEUDO_INDEX);
-	lua_gettable(L, LUA_REGISTRYINDEX);
-	return 1;
-}
-
-static int load(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	sheet->Load(lua_tostring(L, 2), lua_tointeger(L, 3), lua_tointeger(L, 4));
-	return 0;
-}
-
-static int unload(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	sheet->Unload();
-	return 0;
-}
-
-static int getXCount(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetXCount());
-	return 1;
-}
-
-static int getYCount(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetYCount());
-	return 1;
-}
-
-static int getTileW(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetTileW());
-	return 1;
-}
-
-static int getTileH(lua_State* L) {
-	TileSheet* sheet = reinterpret_cast<TileSheet*>(lua_touserdata(L, 1));
-	lua_pushinteger(L, sheet->GetTileH());
-	return 1;
-}
-
-static const luaL_Reg tileSheetLib[] = {
-	{"GetTileSheet",getTileSheet},
-	{"Load",load},
-	{"Unload",unload},
-	{"GetXCount",getXCount},
-	{"GetYCount",getYCount},
-	{"GetTileW",getTileW},
-	{"GetTileH",getTileH},
-	{nullptr, nullptr}
-};
-
-LUAMOD_API int openTileSheetAPI(lua_State* L) {
-	luaL_newlib(L, tileSheetLib);
-	return 1;
-}

src/options_menu.cpp

@@ -1,105 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "options_menu.hpp"
-
-//-------------------------
-//Public access members
-//-------------------------
-
-OptionsMenu::OptionsMenu(lua_State* L): lua(L) {
-	//get the config info
-	lua_getglobal(lua, "config");
-	lua_getfield(lua, -1, "dir");
-	lua_getfield(lua, -1, "interface");
-	std::string interface = lua_tostring(lua, -1);
-	lua_getfield(lua, -2, "fonts");
-	std::string fonts = lua_tostring(lua, -1);
-	lua_pop(lua, 4);
-
-	//setup the utility objects
-	image.LoadSurface(interface + "button_menu.bmp");
-	image.SetClipH(image.GetClipH()/3);
-	font.LoadSurface(fonts + "pk_white_8.bmp");
-
-	//pass the utility objects
-	backButton.SetImage(&image);
-	backButton.SetFont(&font);
-
-	//set the button positions
-	backButton.SetX(50);
-	backButton.SetY(50 + image.GetClipH() * 0);
-
-	//set the button texts
-	backButton.SetText("Back");
-}
-
-OptionsMenu::~OptionsMenu() {
-	//
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void OptionsMenu::FrameStart() {
-	//
-}
-
-void OptionsMenu::Update(double delta) {
-	//
-}
-
-void OptionsMenu::FrameEnd() {
-	//
-}
-
-void OptionsMenu::Render(SDL_Surface* const screen) {
-	backButton.DrawTo(screen);
-
-	font.DrawStringTo("Oh, were you looking for the options screen?", screen, 50, 30);
-}
-
-//-------------------------
-//Event handlers
-//-------------------------
-
-void OptionsMenu::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	backButton.MouseMotion(motion);
-}
-
-void OptionsMenu::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	backButton.MouseButtonDown(button);
-}
-
-void OptionsMenu::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (backButton.MouseButtonUp(button) == Button::State::HOVER) {
-		SetNextScene(SceneList::MAINMENU);
-	}
-}
-
-void OptionsMenu::KeyDown(SDL_KeyboardEvent const& key) {
-	//
-}
-
-void OptionsMenu::KeyUp(SDL_KeyboardEvent const& key) {
-	//
-}

src/options_menu.hpp

@@ -1,63 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef OPTIONSMENU_HPP_
-#define OPTIONSMENU_HPP_
-
-#include "base_scene.hpp"
-
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-
-#include "lua/lua.hpp"
-
-//TODO: The options screen needs to be USED
-class OptionsMenu : public BaseScene {
-public:
-	//Public access members
-	OptionsMenu(lua_State* L);
-	~OptionsMenu();
-
-protected:
-	//Frame loop
-	void FrameStart();
-	void Update(double delta);
-	void FrameEnd();
-	void Render(SDL_Surface* const);
-
-	//Event handlers
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&);
-	void KeyDown(SDL_KeyboardEvent const&);
-	void KeyUp(SDL_KeyboardEvent const&);
-
-	//shared parameters
-	lua_State* lua = nullptr;
-
-	//members
-	Image image;
-	RasterFont font;
-	Button backButton;
-};
-
-#endif

src/scene_list.hpp

@@ -22,17 +22,14 @@
 #ifndef SCENELIST_HPP_
 #define SCENELIST_HPP_
 
-enum class SceneList {
+enum SceneList {
 	//these are reserved
 	QUIT,
 	CONTINUE,
 	FIRST,
 
 	//custom indexes
-	SPLASHSCREEN,
-	MAINMENU,
-	OPTIONSMENU,
-	INWORLD,
+	SHELL,
 };
 
 #endif

src/shell_scene.cpp

@@ -0,0 +1,150 @@
+/* Copyright: (c) Kayne Ruse 2013, 2014
+ * 
+ * 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 "shell_scene.hpp"
+
+#include <iostream>
+
+//-------------------------
+//Public access members
+//-------------------------
+
+static double max = 0;
+static double min = 0;
+
+void setPixel(SDL_Surface* const dest, int x, int y, int colour) {
+	*(static_cast<int*>(dest->pixels) + dest->w * y + x) = colour;
+}
+
+int convertToColour(SDL_PixelFormat* format, double x) {
+	//track the max value
+	max = x > max ? x : max;
+	min = x < min ? x : min;
+
+	if (x > 1) {
+		return SDL_MapRGB(format, 255, 0, 0);
+	}
+
+	if (x < 0) {
+		return SDL_MapRGB(format, 0, 255, 0);
+	}
+
+	if (x == 0) {
+		return SDL_MapRGB(format, 0, 0, 255);
+	}
+
+	return SDL_MapRGB(format, 255*x, 255*x, 255*x);
+}
+
+int convertToTerrain(SDL_PixelFormat* format, double x) {
+	//water
+	if (x < 0.4) {
+		return SDL_MapRGB(format, 0, 0, 255);
+	}
+	//sand
+	if (x < 0.5) {
+		return SDL_MapRGB(format, 255, 255, 0);
+	}
+	//grass
+	if (x < 0.6) {
+		return SDL_MapRGB(format, 0, 255, 0);
+	}
+	//forest
+	if (x < 0.8) {
+		return SDL_MapRGB(format, 0, 128, 0);
+	}
+	//snow
+	if (x < 0.8) {
+		return SDL_MapRGB(format, 255, 255, 255);
+	}
+	//dark snow
+	return SDL_MapRGB(format, 128, 128, 128);
+}
+
+ShellScene::ShellScene() {
+	//test the generator
+	int width = 256;
+	int height = 256;
+	image.CreateSurface(GetScreen()->w, GetScreen()->h);
+
+	double value;
+	int colour;
+
+	std::cout << "Beggining generation" << std::endl;
+	for (int i = 0; i < image.GetSurface()->w; i++) {
+		for (int j = 0; j < image.GetSurface()->h; j++) {
+			value = generator.GetPixel(i, j, width, height, 8);
+			colour = convertToColour(image.GetSurface()->format, value);
+			setPixel(image.GetSurface(), i, j, colour);
+		}
+	}
+	std::cout << "Finished generation" << std::endl;
+	std::cout << "Max: " << max << std::endl;
+	std::cout << "Min: " << min << std::endl;
+}
+
+ShellScene::~ShellScene() {
+	//
+}
+
+//-------------------------
+//Frame loop
+//-------------------------
+
+void ShellScene::FrameStart() {
+	//
+}
+
+void ShellScene::Update(double delta) {
+	//
+}
+
+void ShellScene::FrameEnd() {
+	//
+}
+
+void ShellScene::Render(SDL_Surface* const screen) {
+	image.DrawTo(screen, 0, 0);
+}
+
+//-------------------------
+//Event handlers
+//-------------------------
+
+void ShellScene::MouseMotion(SDL_MouseMotionEvent const& motion) {
+	//
+}
+
+void ShellScene::MouseButtonDown(SDL_MouseButtonEvent const& button) {
+	//
+}
+
+void ShellScene::MouseButtonUp(SDL_MouseButtonEvent const& button) {
+	//
+}
+
+void ShellScene::KeyDown(SDL_KeyboardEvent const& key) {
+	//
+}
+
+void ShellScene::KeyUp(SDL_KeyboardEvent const& key) {
+	//
+}

src/shell_scene.hpp

@@ -19,22 +19,20 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef MAINMENU_HPP_
-#define MAINMENU_HPP_
+#ifndef SHELLSCENE_HPP_
+#define SHELLSCENE_HPP_
 
 #include "base_scene.hpp"
 
+#include "map_generator.hpp"
+
 #include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
 
-#include "lua/lua.hpp"
-
-class MainMenu : public BaseScene {
+class ShellScene : public BaseScene {
 public:
 	//Public access members
-	MainMenu(lua_State* L);
-	~MainMenu();
+	ShellScene();
+	~ShellScene();
 
 protected:
 	//Frame loop
@@ -50,15 +48,9 @@ protected:
 	void KeyDown(SDL_KeyboardEvent const&);
 	void KeyUp(SDL_KeyboardEvent const&);
 
-	//shared parameters
-	lua_State* lua = nullptr;
-
 	//members
+	MapGenerator generator;
 	Image image;
-	RasterFont font;
-	Button startButton;
-	Button optionsButton;
-	Button quitButton;
 };
 
 #endif

src/splash_screen.cpp

@@ -1,58 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "splash_screen.hpp"
-
-#include <string>
-
-//-------------------------
-//Public access members
-//-------------------------
-
-SplashScreen::SplashScreen(lua_State* L): lua(L) {
-	//get the config info
-	lua_getglobal(lua, "config");
-	lua_getfield(lua, -1, "dir");
-	lua_getfield(lua, -1, "logos");
-	std::string logos = lua_tostring(lua, -1);
-	lua_pop(lua, 3);
-
-	logo.LoadSurface(logos + "krstudios.bmp");
-	startTick = std::chrono::steady_clock::now();
-}
-
-SplashScreen::~SplashScreen() {
-	//
-}
-
-//-------------------------
-//Frame loop
-//-------------------------
-
-void SplashScreen::Update(double delta) {
-	if (std::chrono::steady_clock::now() - startTick > std::chrono::duration<int>(1)) {
-		SetNextScene(SceneList::MAINMENU);
-	}
-}
-
-void SplashScreen::Render(SDL_Surface* const screen) {
-	logo.DrawTo(screen, (screen->w - logo.GetClipW()) / 2, (screen->h - logo.GetClipH()) / 2);
-}

src/splash_screen.hpp

@@ -1,52 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef SPLASHSCREEN_HPP_
-#define SPLASHSCREEN_HPP_
-
-#include "base_scene.hpp"
-
-#include "image.hpp"
-
-#include "lua/lua.hpp"
-
-#include <chrono>
-
-class SplashScreen : public BaseScene {
-public:
-	//Public access members
-	SplashScreen(lua_State* L);
-	~SplashScreen();
-
-protected:
-	//Frame loop
-	void Update(double delta);
-	void Render(SDL_Surface* const);
-
-	//shared parameters
-	lua_State* lua = nullptr;
-
-	//members
-	std::chrono::steady_clock::time_point startTick;
-	Image logo;
-};
-
-#endif

src/ui/button.cpp

@@ -1,81 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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>
-
-Button::State Button::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	return CalcState(motion.x, motion.y, motion.state & SDL_BUTTON_LMASK);
-}
-
-Button::State Button::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	if (button.button == SDL_BUTTON_LEFT) {
-		return CalcState(button.x, button.y, true);
-	}
-	return state;
-}
-
-Button::State Button::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	if (button.button == SDL_BUTTON_LEFT) {
-		return CalcState(button.x, button.y, false);
-	}
-	return state;
-}
-
-void Button::DrawTo(SDL_Surface* const dest) {
-	if (!image || !font) {
-		throw(std::runtime_error("Surface not set for Button"));
-	}
-	image->SetClipY(state * image->GetClipH());
-	image->DrawTo(dest, x, y);
-	font->DrawStringTo(text, dest, textX + x, textY + y);
-}
-
-std::string Button::SetText(std::string t) {
-	if (!image || !font) {
-		throw(std::runtime_error("Surface not set for Button"));
-	}
-	//one line, cache the position
-	text = t;
-	textX = (image->GetClipW() / 2) - (font->GetCharW() * text.size() / 2);
-	textY = (image->GetClipH() / 2) - (font->GetCharH() / 2);
-	return text;
-}
-
-Button::State Button::CalcState(Sint16 i, Sint16 j, bool leftPressed) {
-	if (!image || !font) {
-		throw(std::runtime_error("Surface not set for Button"));
-	}
-	//if out of bounds
-	if (i < x || i >= (x + image->GetClipW()) ||
-		j < y || j >= (y + image->GetClipH())
-		) {
-		return state = State::NORMAL;
-	}
-
-	if (leftPressed) {
-		return state = State::PRESSED;
-	}
-	else {
-		return state = State::HOVER;
-	}
-}

src/ui/button.hpp

@@ -1,94 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef BUTTON_HPP_
-#define BUTTON_HPP_
-
-#include "image.hpp"
-#include "raster_font.hpp"
-
-#include <string>
-
-/* 3-phases, no toggle, centred text
- * This class uses the size of the provided image as its bounds. Also,
- * The provided image should be formatted correctly.
- *
- * The button's image should be divided into 3 sections virtucally,
- * which act as the different button images. The clip width & height of the
- * Image should be set manually, and the height should be 1/3 of the total
- * graphical data.
-*/
-class Button {
-public:
-	enum State {
-		NORMAL = 0, HOVER = 1, PRESSED = 2
-	};
-
-	Button() = default;
-	~Button() = default;
-
-	//handle input
-	State MouseMotion(SDL_MouseMotionEvent const&);
-	State MouseButtonDown(SDL_MouseButtonEvent const&);
-	State MouseButtonUp(SDL_MouseButtonEvent const&);
-
-	//yet another draw function
-	void DrawTo(SDL_Surface* const);
-
-	//accessors and mutators
-	Image* SetImage(Image* const ptr) { return image = ptr; }
-	Image* GetImage() { return image; }
-	RasterFont* SetFont(RasterFont* const ptr) { return font = ptr; }
-	RasterFont* GetFont() { return font; }
-
-	Sint16 SetX(Sint16 i) { return x = i; }
-	Sint16 SetY(Sint16 i) { return y = i; }
-	Sint16 GetX() const { return x; }
-	Sint16 GetY() const { return y; }
-
-	Sint16 SetTextX(Sint16 i) { return textX = i; }
-	Sint16 SetTextY(Sint16 i) { return textY = i; }
-	Sint16 GetTextX() const { return textX; }
-	Sint16 GetTextY() const { return textY; }
-
-	State SetState(State s) { return state = s; }
-	State GetState() const { return state; }
-
-	std::string SetText(std::string);
-	std::string GetText() const { return text; }
-
-private:
-	State CalcState(Sint16 x, Sint16 y, bool leftPressed);
-
-	//point to the provided external objects
-	Image* image = nullptr;
-	RasterFont* font = nullptr;
-
-	//positions
-	Sint16 x = 0, y = 0;
-	Sint16 textX = 0, textY = 0;
-
-	//
-	State state = State::NORMAL;
-	std::string text;
-};
-
-#endif

src/ui/makefile

@@ -1,37 +0,0 @@
-#config
-INCLUDES+=. ../graphics
-LIBS+=
-CXXFLAGS+=-std=c++11 $(addprefix -I,$(INCLUDES))
-
-#source
-CXXSRC=$(wildcard *.cpp)
-
-#objects
-OBJDIR=obj
-OBJ+=$(addprefix $(OBJDIR)/,$(CXXSRC:.cpp=.o))
-
-#output
-OUTDIR=..
-OUT=$(addprefix $(OUTDIR)/,libcommon.a)
-
-#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 $@ $<
-
-clean:
-	$(RM) *.o *.a *.exe
-
-rebuild: clean all

src/ui/menu_bar.cpp

@@ -1,139 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "menu_bar.hpp"
-
-#include <stdexcept>
-#include <sstream>
-
-void MenuBar::DrawTo(SDL_Surface* const dest) {
-	for (auto& i : entries) {
-		i.DrawTo(dest);
-	}
-}
-
-void MenuBar::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	for (auto& i : entries) {
-		i.MouseMotion(motion);
-	}
-}
-
-void MenuBar::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	for (auto& i : entries) {
-		i.MouseButtonDown(button);
-	}
-}
-
-void MenuBar::MouseButtonUp(SDL_MouseButtonEvent const& button, int* entry, int* butt) {
-	*entry = *butt = -1;
-	int ret = -1;
-	for (auto& i : entries) {
-		ret = i.MouseButtonUp(button);
-
-		if (ret != -1) {
-			*entry = (&i - entries.data());
-			*butt = ret;
-		}
-	}
-}
-
-void MenuBar::SetEntries(std::vector<std::vector<std::string>> info) {
-	if (!image || !font) {
-		throw(std::runtime_error("Surfaces not loaded into the menu bar"));
-	}
-
-	entries.clear();
-	for (int i = 0; i < info.size(); i++) {
-		//create the entry & the main button
-		entries.push_back(MenuBarEntry());
-		entries[i].mainButton.SetImage(image);
-		entries[i].mainButton.SetFont(font);
-		entries[i].mainButton.SetText(info[i][0]);
-		entries[i].mainButton.SetX(i * image->GetClipW());
-		entries[i].mainButton.SetY(0);
-		for (int j = 0; j < info[i].size()-1; j++) {
-			//create each drop button in this entry
-			entries[i].dropButtons.push_back(Button());
-			entries[i].dropButtons[j].SetImage(image);
-			entries[i].dropButtons[j].SetFont(font);
-			entries[i].dropButtons[j].SetText(info[i][j+1]);
-			entries[i].dropButtons[j].SetX(i * image->GetClipW());
-			entries[i].dropButtons[j].SetY((j+1) * image->GetClipH());
-		}
-	}
-}
-
-void MenuBar::MenuBarEntry::DrawTo(SDL_Surface* const dest) {
-	//only draw the dropButtons in the user has this menu open
-	mainButton.DrawTo(dest);
-
-	if (!open) {
-		return;
-	}
-
-	for (auto& i : dropButtons) {
-		i.DrawTo(dest);
-	}
-}
-
-void MenuBar::MenuBarEntry::MouseMotion(SDL_MouseMotionEvent const& motion) {
-	//open the menu
-	bool o = mainButton.MouseMotion(motion) == Button::State::PRESSED;
-
-	if (!(open |= o)) {
-		return;
-	}
-
-	for (auto& i : dropButtons) {
-		//dragging down the menu
-		o |= i.MouseMotion(motion) == Button::State::PRESSED;
-	}
-
-	open = o;
-}
-
-void MenuBar::MenuBarEntry::MouseButtonDown(SDL_MouseButtonEvent const& button) {
-	//open the menu
-	if (!(open = mainButton.MouseButtonDown(button) == Button::State::PRESSED)) {
-		return;
-	}
-
-	//update the others anyway
-	for (auto& i : dropButtons) {
-		i.MouseButtonDown(button);
-	}
-}
-
-int MenuBar::MenuBarEntry::MouseButtonUp(SDL_MouseButtonEvent const& button) {
-	int ret = -1;
-	mainButton.MouseButtonUp(button);
-
-	for (auto& i : dropButtons) {
-		//the user just released this button
-		if (i.GetState() != i.MouseButtonUp(button) && i.GetState() == Button::State::HOVER && open) {
-			//get this button's index
-			ret = (&i - dropButtons.data());
-		}
-	}
-
-	open = false;
-	return ret;
-}

src/ui/menu_bar.hpp

@@ -1,92 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef MENUBAR_HPP_
-#define MENUBAR_HPP_
-
-#include "image.hpp"
-#include "raster_font.hpp"
-#include "button.hpp"
-
-#include <string>
-#include <vector>
-
-/* I've redesigned this so that the contents of the menu bar can't change during run time.
- * This is more restrictive but I'm focusing on getting this working first.
- * The Image and Font pointers must be set before the text data is entered.
- * 
- * This class needs a rewrite.
-*/
-
-//TODO: This thing is fucking terrible, fix it and the button class
-class MenuBar {
-public:
-	MenuBar() = default;
-	~MenuBar() = default;
-
-	//yet another draw function
-	void DrawTo(SDL_Surface* const dest);
-
-	//user inputs
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	void MouseButtonUp(SDL_MouseButtonEvent const&, int* entry, int* button);
-
-	//manage the entries & buttons
-	void SetEntries(std::vector<std::vector<std::string>> info);
-	void ClearEntries() { entries.clear(); }
-
-	//Accessors and mutators
-	Image* SetImage(Image* const ptr) { return image = ptr; }
-	Image* GetImage() { return image; }
-	RasterFont* SetFont(RasterFont* const ptr) { return font = ptr; }
-	RasterFont* GetFont() { return font; }
-
-private:
-	class MenuBarEntry;
-
-	std::vector<MenuBarEntry> entries;
-
-	Image* image = nullptr;
-	RasterFont* font = nullptr;
-};
-
-class MenuBar::MenuBarEntry {
-public:
-	MenuBarEntry() = default;
-	~MenuBarEntry() = default;
-
-	void DrawTo(SDL_Surface* const dest);
-
-	void MouseMotion(SDL_MouseMotionEvent const&);
-	void MouseButtonDown(SDL_MouseButtonEvent const&);
-	int MouseButtonUp(SDL_MouseButtonEvent const&);
-
-private:
-	Button mainButton;
-
-	std::vector<Button> dropButtons;
-	bool open = false;
-
-	friend class MenuBar;
-};
-
-#endif

src/ui/raster_font.cpp

@@ -1,60 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "raster_font.hpp"
-
-#include <stdexcept>
-
-/* It might be more efficient to render to a different surface (like an Image)
- * rather than calling this function with all of it's '%' and '/'.
-*/
-
-void RasterFont::DrawStringTo(std::string s, SDL_Surface* const dest, Sint16 x, Sint16 y) {
-	if (!image.GetSurface()) {
-		throw(std::runtime_error("RasterFont not loaded"));
-	}
-	const Uint16 w = image.GetClipW();
-	const Uint16 h = image.GetClipH();
-	for (int i = 0; i < s.size(); i++) {
-		image.SetClipX(s[i] % 16 * w);
-		image.SetClipY(s[i] / 16 * h);
-		image.DrawTo(dest, x + i * w, y);
-	}
-}
-
-/* Note: This class can only take a raster font with 16*16 characters, and the
- * indevidual characters must have the same dimensions. Overall this class is too
- * restrictive; I suggest using a 3rd party library.
-*/
-
-SDL_Surface* RasterFont::LoadSurface(std::string fname) {
-	image.LoadSurface(fname);
-	image.SetClipW(image.GetSurface()->w/16);
-	image.SetClipH(image.GetSurface()->h/16);
-	return image.GetSurface();
-}
-
-SDL_Surface* RasterFont::SetSurface(SDL_Surface* p) {
-	image.SetSurface(p);
-	image.SetClipW(image.GetSurface()->w/16);
-	image.SetClipH(image.GetSurface()->h/16);
-	return image.GetSurface();
-}

src/ui/raster_font.hpp

@@ -1,54 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef RASTERFONT_HPP_
-#define RASTERFONT_HPP_
-
-#include "image.hpp"
-
-class RasterFont {
-public:
-	RasterFont() = default;
-	RasterFont(RasterFont const& rhs) { *this = rhs; }
-	RasterFont(RasterFont&& rhs) { *this = std::move(rhs); }
-	RasterFont(std::string fname) { LoadSurface(fname); }
-	RasterFont(SDL_Surface* p) { SetSurface(p); }
-	~RasterFont() = default;
-
-	RasterFont& operator=(RasterFont const& rhs) { image = rhs.image; }
-	RasterFont& operator=(RasterFont&& rhs) { image = std::move(rhs.image); }
-
-	void DrawStringTo(std::string, SDL_Surface* const, Sint16 x, Sint16 y);
-
-	//Accessors and Mutators
-	SDL_Surface* LoadSurface(std::string);
-	SDL_Surface* SetSurface(SDL_Surface*);
-	SDL_Surface* GetSurface() const { return image.GetSurface(); }
-	void FreeSurface() { image.FreeSurface(); }
-
-	Uint16 GetCharW() const { return image.GetClipW(); }
-	Uint16 GetCharH() const { return image.GetClipH(); }
-
-private:
-	Image image;
-};
-
-#endif

src/utilities/bounding_box.hpp

@@ -1,77 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef BOUNDINGBOX_HPP_
-#define BOUNDINGBOX_HPP_
-
-#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, 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<Vector2>::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;
-}
-
-#endif

src/utilities/utility.cpp

@@ -1,63 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * 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 "utility.hpp"
-
-#include <algorithm>
-
-int snapToBase(int base, int x) {
-	//snap to a grid
-	if (x < 0) {
-		++x;
-		return x / base * base - base;
-	}
-	return x / base * base;
-}
-
-double snapToBase(double base, double x) {
-	return floor(x / base) * base;
-}
-
-std::string truncatePath(std::string pathname) {
-	return std::string(
-		std::find_if(
-			pathname.rbegin(),
-			pathname.rend(),
-			[](char ch) -> bool {
-				//windows only
-				return ch == '/' || ch == '\\';
-//				//unix only
-//				return ch == '/';
-			}).base(),
-		pathname.end());
-}
-
-std::string to_string_custom(int i) {
-	char buffer[20];
-	snprintf(buffer, 20, "%d", i);
-	return std::string(buffer);
-}
-
-int to_integer_custom(std::string s) {
-	int ret = 0;
-	sscanf(s.c_str(), "%d", &ret);
-	return ret;
-}

src/utilities/utility.hpp

@@ -1,37 +0,0 @@
-/* Copyright: (c) Kayne Ruse 2013, 2014
- * 
- * This software is provided 'as-is', without any express or implied
- * warranty. In no event will the authors be held liable for any damages
- * arising from the use of this software.
- * 
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- * 
- * 1. The origin of this software must not be misrepresented; you must not
- * claim that you wrote the original software. If you use this software
- * in a product, an acknowledgment in the product documentation would be
- * appreciated but is not required.
- * 
- * 2. Altered source versions must be plainly marked as such, and must not be
- * misrepresented as being the original software.
- * 
- * 3. This notice may not be removed or altered from any source
- * distribution.
-*/
-#ifndef UTILITY_HPP_
-#define UTILITY_HPP_
-
-#include <string>
-
-int snapToBase(int base, int x);
-double snapToBase(double base, double x);
-
-std::string truncatePath(std::string pathname);
-
-//fixing known bugs in g++
-std::string to_string_custom(int i);
-
-int to_integer_custom(std::string);
-
-#endif

todo.txt

@@ -1,2 +0,0 @@
-Remove as many exceptions as possible; the code can handle that.
-Glue functions need to check their parameter counts.

utils/maths.cpp

@@ -19,11 +19,27 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#include "timer.hpp"
+#include "maths.hpp"
 
-std::ostream& operator<<(std::ostream& os, Timer& t) {
-	os << t.GetName() << ": ";
-	os << std::chrono::duration_cast<std::chrono::nanoseconds>(t.GetTime()).count();
-	os << "ns";
-	return os;
+double curve(double x) {
+	return 3.0 * pow(x, 2.0) - 2.0 * pow(x, 3.0);
 }
+
+double snap(double x, double base) {
+	//snap to a grid (floating point version)
+	return floor(x / base) * base;
+}
+
+int snap(int x, int base) {
+	//snap to a grid (integer devision version)
+	if (x < 0) {
+		++x;
+		return x / base * base - base;
+	}
+	return x / base * base;
+}
+
+double scalarProduct(Vector2 lhs, Vector2 rhs) {
+	//the dot product
+	return lhs.x * rhs.x + lhs.y * rhs.y;
+}

utils/maths.hpp

@@ -19,13 +19,19 @@
  * 3. This notice may not be removed or altered from any source
  * distribution.
 */
-#ifndef TILESHEETAPI_HPP_
-#define TILESHEETAPI_HPP_
+#ifndef MATHS_HPP_
+#define MATHS_HPP_
 
-#include "lua/lua.hpp"
+#include "vector2.hpp"
 
-#define TORTUGA_TILE_SHEET_PSEUDO_INDEX "TileSheetPseudoIndex"
-#define TORTUGA_TILE_SHEET_NAME "TileSheet"
-LUAMOD_API int openTileSheetAPI(lua_State* L);
+//param: 0 to 1 inclusive
+double curve(double);
 
-#endif
+//snap x to a grid of base
+double snap(double x, double base);
+int snap(int x, int base);
+
+//vector dot product
+double scalarProduct(Vector2, Vector2);
+
+#endif

utils/vector2.hpp

@@ -43,8 +43,6 @@ public:
 	}
 	void Normalize() {
 		double l = Length();
-		if (l == 0)
-			throw(std::domain_error("Divide by zero"));
 		x /= l;
 		y /= l;
 	}