X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fsprite.h;fp=src%2Fsprite.h;h=27d16ff8bfe761fec994a214182acaa2c38cb188;hb=2718dd43c524c4b313de8acc3cc97c497810064b;hp=0000000000000000000000000000000000000000;hpb=6a650e3e08da161fcebeb9181da60e110893fa8b;p=gbajam21

diff --git a/src/sprite.h b/src/sprite.h
new file mode 100644
index 0000000..27d16ff
--- /dev/null
+++ b/src/sprite.h
@@ -0,0 +1,51 @@
+#ifndef SPRITE_H_
+#define SPRITE_H_
+
+#include <stdint.h>
+
+enum {
+	SPR_ROTSCL	= 0x0100,
+	SPR_DBLSZ	= 0x0200,
+	SPR_BLEND	= 0x0400,
+	SPR_OBJWIN	= 0x0800,
+	SPR_MOSAIC	= 0x1000,
+	SPR_256COL	= 0x2000,
+	SPR_HRECT	= 0x4000,
+	SPR_VRECT	= 0x8000,
+
+	SPR_HFLIP	= 0x100000,
+	SPR_VFLIP	= 0x200000,
+	SPR_SZ16	= 0x400000,
+	SPR_SZ32	= 0x800000,
+	SPR_SZ64	= 0xc00000
+};
+#define SPR_SZ8		0
+#define SPR_ROTSCL_SEL(x)	((unsigned int)(x) << 17)
+#define SPR_PRIO(x)			((unsigned int)(x) & 3)
+
+
+struct hwsprite {
+	short id;
+	short width, height;
+	short x, y;
+	unsigned int flags;
+};
+
+struct sprite {
+	short x, y;
+	struct hwsprite hwspr[8];
+	short num_hwspr;
+};
+
+void spr_setup(int xtiles, int ytiles, unsigned char *pixels, unsigned char *cmap);
+void spr_clear(void);
+
+#define spr_oam_clear(oam, idx) spr_oam(oam, idx, 0, 0, 160, 0)
+void spr_oam(uint16_t *oam, int idx, int spr, int x, int y, unsigned int flags);
+void spr_spr_oam(uint16_t *oam, int idx, struct sprite *spr);
+
+/* idx is the rotation/scale parameter index (0-31), not the sprite index */
+void spr_transform(uint16_t *oam, int idx, int16_t *mat);
+
+
+#endif	/* SPRITE_H_ */