1#ifndef ALL_H
 2#define ALL_H
 3
 4#include <stdio.h>
 5#include <stdlib.h>
 6
 7#define GL_SILENCE_DEPRECATION
 8#ifdef __APPLE__
 9    #include <OpenGL/gl.h>
10    #include <GLUT/glut.h>
11#else
12    #include <GL/gl.h>
13    #include <GL/glut.h>
14#endif
15
16#ifndef M_PI
17	#define M_PI 3.14159265358979323846
18#endif
19
20typedef struct {
21	float x, y, z;
22} Vec2;
23
24typedef struct {
25	float x, y, z;
26} Vec3;
27
28typedef struct {
29	float x, y, z, w;
30} Vec4;
31
32typedef struct {
33	char format[3];
34	int width;
35	int height;
36	int color_space;
37	unsigned char *pixels;
38} Image;
39
40typedef struct {
41	int target_fps;
42	int width;
43	int height;
44	int last_time;
45
46	float x_offset;
47	float y_offset;
48	float cube_angle;
49	GLuint texture_id;
50} Game;
51
52extern Game game;
53
54#define COLOR_RED     (Vec3){ .x = 1.0f, .y = 0.0f, .z = 0.0f }
55#define COLOR_GREEN   (Vec3){ .x = 0.0f, .y = 1.0f, .z = 0.0f }
56#define COLOR_BLUE    (Vec3){ .x = 0.0f, .y = 0.0f, .z = 1.0f }
57#define COLOR_WHITE   (Vec3){ .x = 1.0f, .y = 1.0f, .z = 1.0f }
58#define COLOR_BLACK   (Vec3){ .x = 0.0f, .y = 0.0f, .z = 0.0f }
59#define COLOR_YELLOW  (Vec3){ .x = 1.0f, .y = 1.0f, .z = 0.0f }
60#define COLOR_CYAN    (Vec3){ .x = 0.0f, .y = 1.0f, .z = 1.0f }
61#define COLOR_MAGENTA (Vec3){ .x = 1.0f, .y = 0.0f, .z = 1.0f }
62#define COLOR_ORANGE  (Vec3){ .x = 1.0f, .y = 0.5f, .z = 0.0f }
63#define COLOR_PURPLE  (Vec3){ .x = 0.5f, .y = 0.0f, .z = 0.5f }
64
65Image read_ppm_image(const char *filename);
66
67void handle_keyboard_event(unsigned char key, int x, int y);
68void handle_mouse_event(int button, int state, int x, int y);
69
70#endif