Render entities

src/CMakeLists.txt

@@ -3,8 +3,8 @@ link_directories(${SDL2_LIBRARY_DIRS})
 
 add_executable(rpgedit
   rpgedit.cpp
+  control/ImageLoader.cpp
   control/MapContext.cpp
-  control/TileLoader.cpp
   model/Map.cpp
 )
 set_target_properties(rpgedit PROPERTIES COMPILE_FLAGS "-std=c++11 -Wall ${SDL2_CFLAGS_OTHER}")

src/control/ImageLoader.cpp

@@ -24,7 +24,7 @@
 */
 
 
-#include "TileLoader.hpp"
+#include "ImageLoader.hpp"
 
 #include <SDL_image.h>
 
@@ -33,19 +33,19 @@ namespace RPGEdit {
 
 namespace Control {
 
-std::unique_ptr<SDL_Surface, TileLoader::SDL_Surface_deleter> TileLoader::loadTile(const std::string &name) {
-	std::string filename = "../resources/tile/" + name + ".png";
+std::unique_ptr<SDL_Surface, ImageLoader::SDL_Surface_deleter> ImageLoader::load(const std::string &name) {
+	std::string filename = "../resources/" + name + ".png";
 
 	SDL_Surface *surface = IMG_Load(filename.c_str());
 
 	return std::unique_ptr<SDL_Surface, SDL_Surface_deleter>(surface, SDL_Surface_deleter());
 }
 
-SDL_Surface * TileLoader::get(const std::string &name) {
+SDL_Surface * ImageLoader::get(const std::string &name) {
 	std::unique_ptr<SDL_Surface, SDL_Surface_deleter> &surface = tiles[name];
 
 	if (!surface)
-		surface = loadTile(name);
+		surface = load(name);
 
 	if (!surface)
 		tiles.erase(tiles.find(name));

src/control/ImageLoader.hpp

@@ -36,7 +36,7 @@ namespace RPGEdit {
 
 namespace Control {
 
-class TileLoader {
+class ImageLoader {
 private:
 	class SDL_Surface_deleter {
 	public:
@@ -47,7 +47,7 @@ private:
 
 	std::unordered_map<std::string, std::unique_ptr<SDL_Surface, SDL_Surface_deleter>> tiles;
 
-	std::unique_ptr<SDL_Surface, SDL_Surface_deleter> loadTile(const std::string &name);
+	std::unique_ptr<SDL_Surface, SDL_Surface_deleter> load(const std::string &name);
 
 public:
 	SDL_Surface * get(const std::string &name);

src/control/MapContext.cpp

@@ -31,14 +31,18 @@ namespace RPGEdit {
 
 namespace Control {
 
-MapContext::MapContext(TileLoader *tileLoader0, const std::shared_ptr<const Model::Map> &map0)
-	: tileLoader(tileLoader0), map(map0) {
+MapContext::MapContext(ImageLoader *imageLoader0, const std::shared_ptr<const Model::Map> &map0)
+	: imageLoader(imageLoader0), map(map0) {
 	const std::vector<std::string> &tileset = map->getTileset();
 
 	tiles.resize(tileset.size());
-
 	for (size_t i = 0; i < tileset.size(); i++)
-		tiles[i] = tileLoader->get(tileset[i]);
+		tiles[i] = imageLoader->get("tile/" + tileset[i]);
+
+	std::deque<std::shared_ptr<Model::Entity>> &mapEntities = map->getEntities();
+
+	for (const std::shared_ptr<Model::Entity> &entity : mapEntities)
+		entities[entity->getName()] = imageLoader->get("entity/" + entity->getName());
 }
 
 }

src/control/MapContext.hpp

@@ -26,10 +26,11 @@
 
 #pragma once
 
-#include "TileLoader.hpp"
+#include "ImageLoader.hpp"
 #include "../model/Map.hpp"
 #include "../view/MapView.hpp"
 
+#include <map>
 #include <memory>
 
 
@@ -39,16 +40,18 @@ namespace Control {
 
 class MapContext {
 private:
-	TileLoader *const tileLoader;
+	ImageLoader *const imageLoader;
 
 	std::shared_ptr<const Model::Map> map;
+
 	std::vector<SDL_Surface *> tiles;
+	std::map<std::string, SDL_Surface *> entities;
 
 public:
-	MapContext(TileLoader *tileLoader0, const std::shared_ptr<const Model::Map> &map0);
+	MapContext(ImageLoader *imageLoader0, const std::shared_ptr<const Model::Map> &map0);
 
 	std::shared_ptr<View::MapView> initView(const std::shared_ptr<View::Window> &window) {
-		return std::make_shared<View::MapView>(window, map, tiles);
+		return std::make_shared<View::MapView>(window, map, tiles, entities);
 	}
 };
 

src/model/Direction.hpp

@@ -0,0 +1,35 @@
+/*
+  Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#pragma once
+
+
+enum Direction {
+	NORTH,
+	EAST,
+	SOUTH,
+	WEST,
+};

src/model/Entity.hpp

@@ -0,0 +1,74 @@
+/*
+  Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#pragma once
+
+
+#include "Direction.hpp"
+
+
+#include <string>
+#include <utility>
+
+
+namespace RPGEdit {
+
+namespace Model {
+
+class Entity {
+private:
+	const std::string name;
+
+	float x, y;
+
+	Direction dir;
+
+public:
+	Entity(const std::string &name0)
+		: name(name0), dir(NORTH) {
+	}
+
+	const std::string & getName() const {
+		return name;
+	}
+
+	std::pair<float, float> getPosition() const {
+		return std::pair<float, float>(x, y);
+	}
+
+	Direction getDirection() const {
+		return dir;
+	}
+
+	void move(float newX, float newY) {
+		x = newX;
+		y = newY;
+	}
+};
+
+}
+
+}

src/model/Map.cpp

@@ -45,6 +45,11 @@ std::shared_ptr<Map> Map::load(__attribute__((unused)) const std::string &name)
 		}
 	}
 
+	std::shared_ptr<Entity> square(new Entity("square"));
+	square->move(6, 6);
+
+	map->entities.push_back(square);
+
 	return map;
 }
 

src/model/Map.hpp

@@ -27,10 +27,14 @@
 #pragma once
 
 #include <cstdint>
+#include <deque>
 #include <memory>
 #include <stdexcept>
 #include <vector>
 
+#include "Entity.hpp"
+
+
 namespace RPGEdit {
 
 namespace Model {
@@ -42,6 +46,9 @@ private:
 	size_t width, height;
 	std::unique_ptr<uint32_t[]> tiles;
 
+	mutable std::deque<std::shared_ptr<Entity>> entities;
+
+
 	Map(size_t width0, size_t height0)
 		: width(width0), height(height0), tiles(new uint32_t[width*height]) {
 	}
@@ -55,6 +62,10 @@ public:
 		return tileset;
 	}
 
+	std::deque<std::shared_ptr<Entity>> & getEntities() const {
+		return entities;
+	}
+
 	size_t getWidth() const {
 		return width;
 	}

src/rpgedit.cpp

@@ -26,6 +26,7 @@
 
 #include "control/MapContext.hpp"
 #include "view/MapView.hpp"
+#include "model/Entity.hpp"
 
 #include <unistd.h>
 
@@ -40,7 +41,7 @@ int main(__attribute__((unused)) int argc, __attribute__((unused)) char *argv[])
 	SDL_Init(SDL_INIT_VIDEO);
 
 	{
-		Control::TileLoader tileLoader;
+		Control::ImageLoader tileLoader;
 		std::shared_ptr<Model::Map> map = Model::Map::load("test");
 
 		std::shared_ptr<Control::MapContext> ctx(new Control::MapContext(&tileLoader, map));

src/view/MapView.hpp

@@ -30,6 +30,7 @@
 #include "../model/Map.hpp"
 
 #include <cmath>
+#include <map>
 
 
 namespace RPGEdit {
@@ -41,11 +42,13 @@ private:
 	std::shared_ptr<Window> window;
 	std::shared_ptr<const Model::Map> map;
 	SDL_Texture *tileTexture;
+	std::map<std::string, SDL_Texture *> entityTextures;
 
 public:
 	MapView(const std::shared_ptr<Window> &window0,
 		const std::shared_ptr<const Model::Map> &map0,
-		const std::vector<SDL_Surface *> tiles)
+		const std::vector<SDL_Surface *> &tiles,
+		const std::map<std::string, SDL_Surface *> &entities)
 		: window(window0), map(map0) {
 		uint32_t rmask, gmask, bmask, amask;
 
@@ -77,10 +80,17 @@ public:
 
 		tileTexture = SDL_CreateTextureFromSurface(window->getRenderer(), surface);
 		SDL_FreeSurface(surface);
+
+		for (const std::pair<std::string, SDL_Surface *> &entity : entities) {
+			entityTextures[entity.first] = SDL_CreateTextureFromSurface(window->getRenderer(), entity.second);
+		}
 	}
 
 	~MapView() {
 		SDL_DestroyTexture(tileTexture);
+
+		for (const std::pair<std::string, SDL_Texture *> &entity : entityTextures)
+			SDL_DestroyTexture(entity.second);
 	}
 
 	void render(float centerX, float centerY) {
@@ -123,6 +133,27 @@ public:
 			}
 		}
 
+		for (const std::shared_ptr<Model::Entity> &entity : map->getEntities()) {
+			std::pair<float, float> pos = entity->getPosition();
+			Direction dir = entity->getDirection();
+
+			SDL_Rect src = {
+				.x = 16*dir,
+				.y = 0,
+				.w = 16,
+				.h = 16,
+			};
+
+			SDL_Rect dst = {
+				.x = baseX + int(pos.first*tilePixels),
+				.y = baseY + int(pos.second*tilePixels),
+				.w = tilePixels,
+				.h = tilePixels,
+			};
+
+			SDL_RenderCopy(window->getRenderer(), entityTextures[entity->getName()], &src, &dst);
+		}
+
 		SDL_RenderPresent(window->getRenderer());
 	}
 };