30 lines
1007 B
C
30 lines
1007 B
C
#ifndef _UTIL_H_
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#define _UTIL_H_
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#include <akerror.h>
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typedef struct point {
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int x;
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int y;
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int z;
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} point;
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typedef struct RectanglePoints {
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point topleft;
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point topright;
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point bottomleft;
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point bottomright;
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} RectanglePoints;
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#define AKGL_COLLIDE_RECTANGLES(r1x, r1y, r1w, r1h, r2x, r2y, r2w, r2h) ((r1x < (r2x + r2w)) || ((r1x + r1w) > r2x)
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akerr_ErrorContext AKERR_NOIGNORE *akgl_rectangle_points(RectanglePoints *dest, SDL_FRect *rect);
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akerr_ErrorContext AKERR_NOIGNORE *akgl_collide_point_rectangle(point *p, RectanglePoints *r, bool *collide);
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akerr_ErrorContext AKERR_NOIGNORE *akgl_collide_rectangles(SDL_FRect *r1, SDL_FRect *r2, bool *collide);
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// These are REALLY slow routines that are only useful in testing harnesses
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akerr_ErrorContext AKERR_NOIGNORE *akgl_compare_sdl_surfaces(SDL_Surface *s1, SDL_Surface *s2);
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akerr_ErrorContext AKERR_NOIGNORE *akgl_render_and_compare(SDL_Texture *t1, SDL_Texture *t2, int x, int y, int w, int h, char *writeout);
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#endif // _UTIL_H_
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