#include <stdlib.h>
+#include "common.h"
#include "shape.h"
void
SDL_UnlockSurface(img);
}
-#ifndef max
-#define max(a, b) ((a) > (b) ? (a) : (b))
-#endif
-
-#ifndef min
-#define min(a, b) ((a) < (b) ? (a) : (b))
-#endif
-
-#ifndef abs
-#define abs(a) ((a)<=0 ? -(a) : (a))
-#endif
-
int
line_collide(int xov, struct shape *r, uint32_t *rbits, struct shape *s, uint32_t *sbits)
{