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- #include "stdio.h"
- #include "SDL2/SDL.h"
- #include "world.h"
- #include "sdl_helper.h"
- #include <time.h>
- SDL_Window *win;
- extern struct dd_world *world_main_create();
- int init_sdl() {
- // init sdl
- if (SDL_Init(SDL_INIT_VIDEO) != 0) {
- printf("SDL_Init Error: %s\n", SDL_GetError());
- return 1;
- }
- // open window
- win = SDL_CreateWindow("Hello World!", 100, 100, DD_GAME_WIDTH, DD_GAME_HEIGHT, SDL_WINDOW_SHOWN);
- if (!win){
- printf("SDL_CreateWindow Error: %s\n", SDL_GetError());
- SDL_Quit();
- return 1;
- }
- // create renderer
- dd_ren = SDL_CreateRenderer(win, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
- if (!dd_ren){
- SDL_DestroyWindow(win);
- printf("SDL_CreateRenderer Error: %s\n", SDL_GetError());
- SDL_Quit();
- return 1;
- }
- if ((IMG_Init(IMG_INIT_PNG) & IMG_INIT_PNG) != IMG_INIT_PNG){
- printf("IMG_Init Error: %s\n", SDL_GetError());
- SDL_Quit();
- return 1;
- }
- return 0;
- }
- int main() {
- srand((unsigned int) time(NULL));
- DD_GAME_WIDTH = 640;
- DD_GAME_HEIGHT = 480;
- // init sdl, including window and renderer
- if (init_sdl() != 0) return -1;
- // create world
- dd_cworld = world_main_create();
- dd_game_running = 1;
- SDL_Event e;
- // loop
- while (dd_game_running){
- while (SDL_PollEvent(&e)) {
- switch (e.type) {
- case SDL_QUIT:
- dd_game_running = 0;
- break;
- case SDL_KEYDOWN:
- dd_cworld->key(dd_cworld, e.key.keysym.scancode, DD_KEY_STATE_PRESSED);
- break;
- case SDL_KEYUP:
- dd_cworld->key(dd_cworld, e.key.keysym.scancode, DD_KEY_STATE_RELEASED);
- break;
- case SDL_MOUSEBUTTONDOWN:
- //printf("mouse button down on %d,%d\n", e.button.x, e.button.y);
- dd_cworld->click(dd_cworld, e.button.x, e.button.y);
- break;
- case SDL_MOUSEBUTTONUP:
- //printf("mouse up down on %d,%d\n", e.button.x, e.button.y);
- break;
- }
- }
- // update
- dd_cworld->update(dd_cworld);
- // draw
- SDL_RenderClear(dd_ren);
- dd_cworld->draw(dd_cworld);
- SDL_RenderPresent(dd_ren);
- // pause, till next frame
- SDL_Delay(1000/30);
- // check if menu wants to quit
- if (dd_cworld->next == -1) dd_game_running = 0;
- }
- free(dd_cworld);
- SDL_DestroyRenderer(dd_ren);
- SDL_DestroyWindow(win);
- IMG_Quit();
- SDL_Quit();
- return 0;
- }
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