Files
libakgl/include/akgl/util.h

30 lines
1007 B
C

#ifndef _UTIL_H_
#define _UTIL_H_
#include <akerror.h>
typedef struct point {
int x;
int y;
int z;
} point;
typedef struct RectanglePoints {
point topleft;
point topright;
point bottomleft;
point bottomright;
} RectanglePoints;
#define AKGL_COLLIDE_RECTANGLES(r1x, r1y, r1w, r1h, r2x, r2y, r2w, r2h) ((r1x < (r2x + r2w)) || ((r1x + r1w) > r2x)
akerr_ErrorContext AKERR_NOIGNORE *akgl_rectangle_points(RectanglePoints *dest, SDL_FRect *rect);
akerr_ErrorContext AKERR_NOIGNORE *akgl_collide_point_rectangle(point *p, RectanglePoints *r, bool *collide);
akerr_ErrorContext AKERR_NOIGNORE *akgl_collide_rectangles(SDL_FRect *r1, SDL_FRect *r2, bool *collide);
// These are REALLY slow routines that are only useful in testing harnesses
akerr_ErrorContext AKERR_NOIGNORE *akgl_compare_sdl_surfaces(SDL_Surface *s1, SDL_Surface *s2);
akerr_ErrorContext AKERR_NOIGNORE *akgl_render_and_compare(SDL_Texture *t1, SDL_Texture *t2, int x, int y, int w, int h, char *writeout);
#endif // _UTIL_H_