vrheights
annotate src/main.cc @ 0:ccbd444939a1
initial commit
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Mon, 22 Sep 2014 18:36:24 +0300 |
parents | |
children | b49461618f61 |
rev | line source |
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nuclear@0 | 1 #include <stdio.h> |
nuclear@0 | 2 #include <stdlib.h> |
nuclear@0 | 3 #include <SDL2/SDL.h> |
nuclear@0 | 4 #include "game.h" |
nuclear@0 | 5 |
nuclear@0 | 6 static bool init(); |
nuclear@0 | 7 static void cleanup(); |
nuclear@0 | 8 static void handle_event(SDL_Event *ev); |
nuclear@0 | 9 |
nuclear@0 | 10 static bool done; |
nuclear@0 | 11 static SDL_Window *win; |
nuclear@0 | 12 static SDL_GLContext ctx; |
nuclear@0 | 13 |
nuclear@0 | 14 int main(int argc, char **argv) |
nuclear@0 | 15 { |
nuclear@0 | 16 if(!init()) { |
nuclear@0 | 17 return 1; |
nuclear@0 | 18 } |
nuclear@0 | 19 |
nuclear@0 | 20 for(;;) { |
nuclear@0 | 21 SDL_Event ev; |
nuclear@0 | 22 while(SDL_PollEvent(&ev)) { |
nuclear@0 | 23 handle_event(&ev); |
nuclear@0 | 24 if(done) break; |
nuclear@0 | 25 } |
nuclear@0 | 26 |
nuclear@0 | 27 game_update(SDL_GetTicks()); |
nuclear@0 | 28 game_display(); |
nuclear@0 | 29 } |
nuclear@0 | 30 |
nuclear@0 | 31 cleanup(); |
nuclear@0 | 32 return 0; |
nuclear@0 | 33 } |
nuclear@0 | 34 |
nuclear@0 | 35 void exit_game() |
nuclear@0 | 36 { |
nuclear@0 | 37 done = true; |
nuclear@0 | 38 } |
nuclear@0 | 39 |
nuclear@0 | 40 static bool init() |
nuclear@0 | 41 { |
nuclear@0 | 42 if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) { |
nuclear@0 | 43 fprintf(stderr, "failed to initialize SDL\n"); |
nuclear@0 | 44 return false; |
nuclear@0 | 45 } |
nuclear@0 | 46 |
nuclear@0 | 47 win = SDL_CreateWindow("vrheights", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, |
nuclear@0 | 48 1280, 800, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE); |
nuclear@0 | 49 if(!win) { |
nuclear@0 | 50 fprintf(stderr, "failed to create window\n"); |
nuclear@0 | 51 return false; |
nuclear@0 | 52 } |
nuclear@0 | 53 |
nuclear@0 | 54 if(!(ctx = SDL_GL_CreateContext(win))) { |
nuclear@0 | 55 fprintf(stderr, "failed to create OpenGL context\n"); |
nuclear@0 | 56 return false; |
nuclear@0 | 57 } |
nuclear@0 | 58 |
nuclear@0 | 59 return game_init(); |
nuclear@0 | 60 } |
nuclear@0 | 61 |
nuclear@0 | 62 static void cleanup() |
nuclear@0 | 63 { |
nuclear@0 | 64 game_cleanup(); |
nuclear@0 | 65 SDL_Quit(); |
nuclear@0 | 66 } |
nuclear@0 | 67 |
nuclear@0 | 68 static void handle_event(SDL_Event *ev) |
nuclear@0 | 69 { |
nuclear@0 | 70 switch(ev->type) { |
nuclear@0 | 71 case SDL_WINDOWEVENT: |
nuclear@0 | 72 if(ev->window.event == SDL_WINDOWEVENT_RESIZED) { |
nuclear@0 | 73 game_reshape(ev->window.data1, ev->window.data2); |
nuclear@0 | 74 } |
nuclear@0 | 75 break; |
nuclear@0 | 76 |
nuclear@0 | 77 case SDL_KEYDOWN: |
nuclear@0 | 78 case SDL_KEYUP: |
nuclear@0 | 79 game_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED); |
nuclear@0 | 80 break; |
nuclear@0 | 81 |
nuclear@0 | 82 case SDL_MOUSEBUTTONDOWN: |
nuclear@0 | 83 case SDL_MOUSEBUTTONUP: |
nuclear@0 | 84 game_mouse_button(ev->button.button, ev->button.state == SDL_PRESSED, ev->button.x, ev->button.y); |
nuclear@0 | 85 break; |
nuclear@0 | 86 |
nuclear@0 | 87 case SDL_MOUSEMOTION: |
nuclear@0 | 88 game_mouse_motion(ev->motion.x, ev->motion.y); |
nuclear@0 | 89 break; |
nuclear@0 | 90 |
nuclear@0 | 91 default: |
nuclear@0 | 92 break; |
nuclear@0 | 93 } |
nuclear@0 | 94 } |