1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <SDL2/SDL.h>

4 #include "game.h"

5

6 static bool init();

7 static void cleanup();

8 static void handle_event(SDL_Event *ev);

9

10 static bool done;

11 static SDL_Window *win;

12 static SDL_GLContext ctx;

13

14 int main(int argc, char **argv)

15 {

16 if(!init()) {

17 return 1;

18 }

19

20 for(;;) {

21 SDL_Event ev;

22 while(SDL_PollEvent(&ev)) {

23 handle_event(&ev);

24 if(done) break;

25 }

26

27 game_update(SDL_GetTicks());

28 game_display();

29 }

30

31 cleanup();

32 return 0;

33 }

34

35 void exit_game()

36 {

37 done = true;

38 }

39

40 static bool init()

41 {

42 if(SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER) == -1) {

43 fprintf(stderr, "failed to initialize SDL\n");

44 return false;

45 }

46

47 win = SDL_CreateWindow("vrheights", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,

48 1280, 800, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);

49 if(!win) {

50 fprintf(stderr, "failed to create window\n");

51 return false;

52 }

53

54 if(!(ctx = SDL_GL_CreateContext(win))) {

55 fprintf(stderr, "failed to create OpenGL context\n");

56 return false;

57 }

58

59 return game_init();

60 }

61

62 static void cleanup()

63 {

64 game_cleanup();

65 SDL_Quit();

66 }

67

68 static void handle_event(SDL_Event *ev)

69 {

70 switch(ev->type) {

71 case SDL_WINDOWEVENT:

72 if(ev->window.event == SDL_WINDOWEVENT_RESIZED) {

73 game_reshape(ev->window.data1, ev->window.data2);

74 }

75 break;

76

77 case SDL_KEYDOWN:

78 case SDL_KEYUP:

79 game_keyboard(ev->key.keysym.sym, ev->key.state == SDL_PRESSED);

80 break;

81

82 case SDL_MOUSEBUTTONDOWN:

83 case SDL_MOUSEBUTTONUP:

84 game_mouse_button(ev->button.button, ev->button.state == SDL_PRESSED, ev->button.x, ev->button.y);

85 break;

86

87 case SDL_MOUSEMOTION:

88 game_mouse_motion(ev->motion.x, ev->motion.y);

89 break;

90

91 default:

92 break;

93 }

94 }