sdlsimple.h

sdlsimple.h

#ifndef H_SDLSIMPLE
#define H_SDLSIMPLE

#include <SDL2/SDL.h>
#include <stdbool.h>
#include <stdio.h>

// defines
typedef struct sdlsimple_events_t {
	bool quit;
	// TODO: add more events
} sdlsimple_events_t;

typedef struct sdlsimple_context_t {
	sdlsimple_events_t events;
	SDL_Window *window;
	SDL_Renderer *renderer;
} sdlsimple_context_t;


void sdlsimple_init(sdlsimple_context_t *ctx, int width, int height);

void sdlsimple_start(sdlsimple_context_t *ctx);
void sdlsimple_end(sdlsimple_context_t *ctx);

void sdlsimple_clear(sdlsimple_context_t *ctx, int r, int g, int b);
void sdlsimple_set_pixel(sdlsimple_context_t *ctx, int x, int y, int r, int g, int b);

bool sdlsimple_should_quit(sdlsimple_context_t *ctx);

#ifdef SDLSIMPLE_IMPLEMENTATION

void sdlsimple_init(sdlsimple_context_t *ctx, int width, int height) {
	if (SDL_Init(SDL_INIT_VIDEO) < 0)
		printf("Error: %s\n", SDL_GetError());

	if (SDL_CreateWindowAndRenderer(width, height, SDL_WINDOW_SHOWN, &ctx->window, &ctx->renderer) < 0)
		printf("Error: %s\n", SDL_GetError());
}

void sdlsimple_start(sdlsimple_context_t *ctx) {
	SDL_Event e;

	while(SDL_PollEvent(&e)) {
		if(e.type == SDL_QUIT) {
			ctx->events.quit = true;
		} else {
			ctx->events.quit = false;
		}
	}
}

void sdlsimple_end(sdlsimple_context_t *ctx) {
	SDL_RenderPresent(ctx->renderer);
}

void sdlsimple_clear(sdlsimple_context_t *ctx, int r, int g, int b) {
	SDL_SetRenderDrawColor(ctx->renderer, r, g, b, 0);
	SDL_RenderClear(ctx->renderer);
}

void sdlsimple_set_pixel(sdlsimple_context_t *ctx, int x, int y, int r, int g, int b) {
	SDL_SetRenderDrawColor(ctx->renderer, r, g, b, 0);
	SDL_RenderDrawPoint(ctx->renderer, x, y);
}

bool sdlsimple_should_quit(sdlsimple_context_t *ctx) {
	return ctx->events.quit;
}

#endif
#endif