vrheights

annotate src/main.cc @ 2:b49461618f61

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starting point
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 25 Sep 2014 11:44:45 +0300
parents ccbd444939a1
children 690ef7fa791f
rev   line source
nuclear@2 1 #include <stdio.h>
nuclear@2 2 #include <stdlib.h>
nuclear@2 3 #include <SDL2/SDL.h>
nuclear@2 4 #include "game.h"
nuclear@2 5
nuclear@2 6 static bool init();
nuclear@2 7 static void cleanup();
nuclear@2 8 static void handle_event(SDL_Event *ev);
nuclear@2 9
nuclear@2 10 static bool done;
nuclear@2 11 static SDL_Window *win;
nuclear@2 12 static SDL_GLContext ctx;
nuclear@2 13
nuclear@2 14 int main(int argc, char **argv)
nuclear@2 15 {
nuclear@2 16 if(!init()) {
nuclear@2 17 return 1;
nuclear@2 18 }
nuclear@2 19
nuclear@2 20 while(!done) {
nuclear@2 21 SDL_Event ev;
nuclear@2 22 while(SDL_PollEvent(&ev)) {
nuclear@2 23 handle_event(&ev);
nuclear@2 24 if(done) goto end_main_loop;
nuclear@2 25 }
nuclear@2 26
nuclear@2 27 game_update(SDL_GetTicks());
nuclear@2 28 game_display();
nuclear@2 29 }
nuclear@2 30
nuclear@2 31 end_main_loop:
nuclear@2 32 cleanup();
nuclear@2 33 return 0;
nuclear@2 34 }
nuclear@2 35
nuclear@2 36 void exit_game()
nuclear@2 37 {
nuclear@2 38 done = true;
nuclear@2 39 }
nuclear@2 40
nuclear@2 41 void move_window(int x, int y)
nuclear@2 42 {
nuclear@2 43 SDL_SetWindowPosition(win, x, y);
nuclear@2 44 }
nuclear@2 45
nuclear@2 46 void get_window_pos(int *x, int *y)
nuclear@2 47 {
nuclear@2 48 SDL_GetWindowPosition(win, x, y);
nuclear@2 49 }
nuclear@2 50
nuclear@2 51 void resize_window(int x, int y)
nuclear@2 52 {
nuclear@2 53 SDL_SetWindowSize(win, x, y);
nuclear@2 54 }
nuclear@2 55
nuclear@2 56 void enter_fullscreen()
nuclear@2 57 {
nuclear@2 58 SDL_SetWindowFullscreen(win, SDL_WINDOW_FULLSCREEN_DESKTOP);
nuclear@2 59 }
nuclear@2 60
nuclear@2 61 void leave_fullscreen()
nuclear@2 62 {
nuclear@2 63 SDL_SetWindowFullscreen(win, 0);
nuclear@2 64 }
nuclear@2 65
nuclear@2 66 static bool init()
nuclear@2 67 {
nuclear@2 68 if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {
nuclear@2 69 fprintf(stderr, "failed to initialize SDL\n");
nuclear@2 70 return false;
nuclear@2 71 }
nuclear@2 72
nuclear@2 73 win = SDL_CreateWindow("vrheights", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
nuclear@2 74 1280, 800, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
nuclear@2 75 if(!win) {
nuclear@2 76 fprintf(stderr, "failed to create window\n");
nuclear@2 77 return false;
nuclear@2 78 }
nuclear@2 79
nuclear@2 80 if(!(ctx = SDL_GL_CreateContext(win))) {
nuclear@2 81 fprintf(stderr, "failed to create OpenGL context\n");
nuclear@2 82 return false;
nuclear@2 83 }
nuclear@2 84
nuclear@2 85 if(!game_init()) {
nuclear@2 86 return false;
nuclear@2 87 }
nuclear@2 88
nuclear@2 89 int w, h;
nuclear@2 90 SDL_GetWindowSize(win, &w, &h);
nuclear@2 91 game_reshape(w, h);
nuclear@2 92 return true;
nuclear@2 93 }
nuclear@2 94
nuclear@2 95 static void cleanup()
nuclear@2 96 {
nuclear@2 97 game_cleanup();
nuclear@2 98 SDL_Quit();
nuclear@2 99 }
nuclear@2 100
nuclear@2 101 static void handle_event(SDL_Event *ev)
nuclear@2 102 {
nuclear@2 103 switch(ev->type) {
nuclear@2 104 case SDL_WINDOWEVENT:
nuclear@2 105 if(ev->window.event == SDL_WINDOWEVENT_RESIZED) {
nuclear@2 106 game_reshape(ev->window.data1, ev->window.data2);
nuclear@2 107 }
nuclear@2 108 break;
nuclear@2 109
nuclear@2 110 case SDL_KEYDOWN:
nuclear@2 111 case SDL_KEYUP:
nuclear@2 112 game_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED);
nuclear@2 113 break;
nuclear@2 114
nuclear@2 115 case SDL_MOUSEBUTTONDOWN:
nuclear@2 116 case SDL_MOUSEBUTTONUP:
nuclear@2 117 game_mouse_button(ev->button.button, ev->button.state == SDL_PRESSED, ev->button.x, ev->button.y);
nuclear@2 118 break;
nuclear@2 119
nuclear@2 120 case SDL_MOUSEMOTION:
nuclear@2 121 game_mouse_motion(ev->motion.x, ev->motion.y);
nuclear@2 122 break;
nuclear@2 123
nuclear@2 124 default:
nuclear@2 125 break;
nuclear@2 126 }
nuclear@2 127 }