typedefs.h

#ifndef TYPEDEFS_H
#define TYPEDEFS_H

typedef struct {
    float x;
    float y;
} vec2f;

typedef struct {
    int x;
    int y;
} vec2i;

typedef struct {
    float x;
    float y;
    float z;
} vec3f;

typedef struct {
    int x;
    int y;
    int z;
} vec3i;

typedef struct {
    int m;
    int top_bottom;
    int left_right;
    int L_region;
    int finest;
    int top_offset;
    int bottom_offset;
    int left_offset;
    int right_offset;
} indexsize_t;

typedef enum {
    DIR_UP,
    DIR_DOWN,
    DIR_LEFT,
    DIR_RIGHT,
    DIR_FORWARD,
    DIR_BACKWARD,
} direction_t;

typedef enum {
    INDEX_TOP = 0,
    INDEX_BOTTOM = 1,
    INDEX_LEFT = 2,
    INDEX_RIGHT = 3,
    INDEX_L_REGION = 4,
    INDEX_FINEST = 5,
} index_t;

// emulate the bool type of c++
typedef enum {
    false = 0,
    true = 1,
} bool;

vec2i add2i(vec2i a, vec2i b);

void set3f(vec3f *c, float x, float y, float z);
vec3f copy3f(vec3f *c);
void negate3f(vec3f *c);
vec3f add3f(vec3f a, vec3f b);
vec3i add3i(vec3i a, vec3i b);
vec3f subtract3f(vec3f a, vec3f b);
float dot3f(vec3f a, vec3f b);
vec3f cross3f(vec3f a, vec3f b);
void normalize3f(vec3f *c);

#endif // TYPEDEFS_H