1 files changed, 213 insertions, 0 deletions
diff --git a/src/crepe/SdlContext.cpp b/src/crepe/SdlContext.cpp
new file mode 100644
index 0000000..44d1bdf
--- /dev/null
+++ b/src/crepe/SdlContext.cpp
@@ -0,0 +1,213 @@
+
+
+#include "SdlContext.h"
+#include "SDL_hints.h"
+#include "SDL_rect.h"
+#include "SDL_stdinc.h"
+#include "api/Sprite.h"
+#include "api/Transform.h"
+#include "facade/Texture.h"
+#include "util/log.h"
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+#include <SDL2/SDL_render.h>
+#include <SDL2/SDL_surface.h>
+#include <SDL2/SDL_video.h>
+#include <cstddef>
+#include <iostream>
+#include <ostream>
+
+using namespace crepe;
+
+SdlContext & SdlContext::get_instance() {
+	static SdlContext instance;
+	return instance;
+}
+
+void SdlContext::handleEvents(bool & running) {
+	SDL_Event event;
+	while (SDL_PollEvent(&event)) {
+		if (event.type == SDL_QUIT) {
+			running = false;
+		}
+	}
+}
+void SdlContext::clearScreen() { SDL_RenderClear(this->m_game_renderer); }
+
+void SdlContext::presentScreen() { SDL_RenderPresent(this->m_game_renderer); }
+
+void SdlContext::draw(const api::Sprite & sprite,
+					  const api::Transform & transform) {
+	static SDL_RendererFlip renderFlip
+		= (SDL_RendererFlip) ((SDL_FLIP_HORIZONTAL * sprite.flip.flipX)
+							  | (SDL_FLIP_VERTICAL * sprite.flip.flipY));
+
+	// needs maybe camera for position
+	static SDL_Rect dstrect = {
+		.x = static_cast<int>(transform.position.x),
+		.y = static_cast<int>(transform.position.y),
+		.w
+		= static_cast<int>(sprite.sprite_image->get_rect().w * transform.scale),
+		.h
+		= static_cast<int>(sprite.sprite_image->get_rect().h * transform.scale),
+	};
+
+	SDL_RenderCopyEx(this->m_game_renderer, sprite.sprite_image->get_texture(),
+					 &sprite.sprite_image->get_rect(), &dstrect, 0, NULL,
+					 renderFlip);
+}
+
+SdlContext::SdlContext() {
+	if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+		std::cerr << "SDL could not initialize! SDL_Error: " << SDL_GetError()
+				  << std::endl;
+		return;
+	}
+
+	m_game_window = SDL_CreateWindow(
+		"Crepe Game Engine", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED,
+		1920, 1080, SDL_WINDOW_SHOWN);
+	if (!m_game_window) {
+		std::cerr << "Window could not be created! SDL_Error: "
+				  << SDL_GetError() << std::endl;
+	}
+
+	m_game_renderer
+		= SDL_CreateRenderer(m_game_window, -1, SDL_RENDERER_ACCELERATED);
+	if (!m_game_renderer) {
+		std::cerr << "Renderer could not be created! SDL_Error: "
+				  << SDL_GetError() << std::endl;
+		SDL_DestroyWindow(m_game_window);
+		return;
+	}
+	int imgFlags = IMG_INIT_PNG;
+	if (!(IMG_Init(imgFlags) & imgFlags)) {
+		std::cout << "SDL_image could not initialize! SDL_image Error: "
+				  << IMG_GetError() << std::endl;
+	}
+
+	SDL_SetHint(SDL_HINT_RENDER_BATCHING, "1");
+	SDL_SetHint(SDL_HINT_RENDER_DRIVER, "opengl");
+	//SDL_SetHint(SDL_HINT_RENDER_OPENGL_SHADERS, "1");
+	SDL_SetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION, "X");
+
+
+
+
+	const char * hint = SDL_GetHint(SDL_HINT_RENDER_BATCHING);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_BATCHING: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_DRIVER: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_RENDER_OPENGL_SHADERS);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_OPENGL_SHADERS: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_RENDER_SCALE_QUALITY);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_SCALE_QUALITY: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_RENDER_VSYNC);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_VSYNC: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_TIMER_RESOLUTION);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_TIMER_RESOLUTION: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT: " << hint
+				  << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN: "
+				  << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_RENDER_LOGICAL_SIZE_MODE);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_RENDER_LOGICAL_SIZE_MODE: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_VIDEO_DOUBLE_BUFFER);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_VIDEO_DOUBLE_BUFFER: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_OPENGL_ES_DRIVER);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_OPENGL_ES_DRIVER: " << hint << std::endl;
+	}
+
+	hint = SDL_GetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION);
+	if (hint != NULL) {
+		std::cout << "SDL_HINT_FRAMEBUFFER_ACCELERATION: " << hint << std::endl;
+	}
+
+	std::cout << "HALLO " << std::endl;
+}
+
+SdlContext::~SdlContext() {
+	if (m_game_renderer) SDL_DestroyRenderer(m_game_renderer);
+
+	if (m_game_window) {
+		SDL_DestroyWindow(m_game_window);
+	}
+	IMG_Quit();
+	SDL_Quit();
+}
+
+SDL_Texture * SdlContext::setTextureFromPath(const char * path, SDL_Rect & clip,
+											 const int row, const int col) {
+	dbg_trace();
+
+	SDL_Surface * tmp = IMG_Load(path);
+	if (!tmp) {
+		std::cerr << "Error surface " << IMG_GetError << std::endl;
+	}
+
+	clip.w = tmp->w / col;
+	clip.h = tmp->h / row;
+
+	SDL_Texture * CreatedTexture
+		= SDL_CreateTextureFromSurface(m_game_renderer, tmp);
+
+	if (!CreatedTexture) {
+		std::cerr << "Error could not create texture " << IMG_GetError
+				  << std::endl;
+	}
+	SDL_FreeSurface(tmp);
+
+	return CreatedTexture;
+}
+
+SDL_Texture * SdlContext::setTextureFromPath(const char * path) {
+	dbg_trace();
+
+	SDL_Surface * tmp = IMG_Load(path);
+	if (!tmp) {
+		std::cerr << "Error surface " << IMG_GetError << std::endl;
+	}
+	SDL_Texture * CreatedTexture
+		= SDL_CreateTextureFromSurface(m_game_renderer, tmp);
+
+	if (!CreatedTexture) {
+		std::cerr << "Error could not create texture " << IMG_GetError
+				  << std::endl;
+	}
+	SDL_FreeSurface(tmp);
+
+	return CreatedTexture;
+}