create facade folder

1 files changed, 71 insertions, 0 deletions

diff --git a/src/crepe/facade/SDLApp.cpp b/src/crepe/facade/SDLApp.cpp
new file mode 100644
index 0000000..c6ddeaa
--- /dev/null
+++ b/src/crepe/facade/SDLApp.cpp
@@ -0,0 +1,71 @@
+#include <iostream>
+
+#include "SDLApp.h"
+
+SDLApp::SDLApp(int window_width, int window_height)
+	: window_width(window_width), window_height(window_height), window(nullptr),
+	  renderer(nullptr) {}
+
+// FIXME: why is there clean_up and ~SDLApp?
+SDLApp::~SDLApp() { clean_up(); }
+
+bool SDLApp::initialize() {
+	if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+		// FIXME: throw exception
+		std::cerr << "SDL Initialization Error: " << SDL_GetError()
+				  << std::endl;
+		return false;
+	}
+
+	window = SDL_CreateWindow("Particle System", SDL_WINDOWPOS_CENTERED,
+							  SDL_WINDOWPOS_CENTERED, window_width,
+							  window_height, SDL_WINDOW_SHOWN);
+	if (!window) {
+		// FIXME: throw exception
+		std::cerr << "Window Creation Error: " << SDL_GetError() << std::endl;
+		return false;
+	}
+
+	renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+	if (!renderer) {
+		// FIXME: throw exception
+		std::cerr << "Renderer Creation Error: " << SDL_GetError() << std::endl;
+		return false;
+	}
+
+	return true;
+}
+
+void SDLApp::handle_events(bool & running) {
+	SDL_Event event;
+	while (SDL_PollEvent(&event)) {
+		if (event.type == SDL_QUIT) {
+			running = false;
+		}
+	}
+}
+
+void SDLApp::clear_screen() {
+	SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+	SDL_RenderClear(renderer);
+}
+
+void SDLApp::present_screen() { SDL_RenderPresent(renderer); }
+
+void SDLApp::draw_square(int x, int y, int size) {
+	SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+	SDL_Rect rect = {x, y, size, size};
+	SDL_RenderFillRect(renderer, &rect);
+}
+
+SDL_Texture * square_texture = nullptr; // Load this with an image or create it
+
+void SDLApp::clean_up() {
+	if (renderer) {
+		SDL_DestroyRenderer(renderer);
+	}
+	if (window) {
+		SDL_DestroyWindow(window);
+	}
+	SDL_Quit();
+}