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Defines |
#define | OAM_CLEAR() memset32(oam_mem, 0, OAM_SIZE/4) |
Functions |
void | oam_init (OBJ_ATTR *obj, uint count) |
| Initialize an array of count OBJ_ATTRs with with safe values.
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INLINE void | oam_copy (OBJ_ATTR *dst, const OBJ_ATTR *src, uint count) |
| Copies count OAM entries from src to dst.
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INLINE OBJ_ATTR * | obj_set_attr (OBJ_ATTR *obj, u16 a0, u16 a1, u16 a2) |
| Set the attributes of an object.
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INLINE void | obj_set_pos (OBJ_ATTR *obj, int x, int y) |
| Set the position of obj.
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INLINE void | obj_hide (OBJ_ATTR *obj) |
| Hide an object.
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INLINE void | obj_unhide (OBJ_ATTR *obj, u16 mode) |
| Unhide an object.
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INLINE const u8 * | obj_get_size (const OBJ_ATTR *obj) |
| Get object's sizes as a byte array.
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INLINE int | obj_get_width (const OBJ_ATTR *obj) |
| Get object's width.
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INLINE int | obj_get_height (const OBJ_ATTR *obj) |
| Gets object's height.
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void | obj_copy (OBJ_ATTR *dst, const OBJ_ATTR *src, uint count) |
| Copy attributes 0-2 in count OBJ_ATTRs.
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void | obj_hide_multi (OBJ_ATTR *obj, u32 count) |
| Hide an array of OBJ_ATTRs.
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void | obj_unhide_multi (OBJ_ATTR *obj, u16 mode, uint count) |
void | obj_aff_copy (OBJ_AFFINE *dst, const OBJ_AFFINE *src, uint count) |
INLINE void | obj_aff_set (OBJ_AFFINE *oaff, FIXED pa, FIXED pb, FIXED pc, FIXED pd) |
| Set the elements of an object affine matrix.
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INLINE void | obj_aff_identity (OBJ_AFFINE *oaff) |
| Set an object affine matrix to the identity matrix.
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INLINE void | obj_aff_scale (OBJ_AFFINE *oaff, FIXED sx, FIXED sy) |
| Set an object affine matrix for scaling.
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INLINE void | obj_aff_shearx (OBJ_AFFINE *oaff, FIXED hx) |
INLINE void | obj_aff_sheary (OBJ_AFFINE *oaff, FIXED hy) |
void | obj_aff_rotate (OBJ_AFFINE *oaff, u16 alpha) |
| Set obj matrix to counter-clockwise rotation.
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void | obj_aff_rotscale (OBJ_AFFINE *oaff, FIXED sx, FIXED sy, u16 alpha) |
| Set obj matrix to 2d scaling, then counter-clockwise rotation.
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void | obj_aff_premul (OBJ_AFFINE *dst, const OBJ_AFFINE *src) |
| Pre-multiply dst by src: D = S*D.
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void | obj_aff_postmul (OBJ_AFFINE *dst, const OBJ_AFFINE *src) |
| Post-multiply dst by src: D= D*S.
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void | obj_aff_rotscale2 (OBJ_AFFINE *oaff, const AFF_SRC *as) |
| Set obj matrix to 2d scaling, then counter-clockwise rotation.
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void | obj_rotscale_ex (OBJ_ATTR *obj, OBJ_AFFINE *oaff, const AFF_SRC_EX *asx) |
| Rot/scale an object around an arbitrary point.
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INLINE void | obj_aff_scale_inv (OBJ_AFFINE *oa, FIXED wx, FIXED wy) |
INLINE void | obj_aff_rotate_inv (OBJ_AFFINE *oa, u16 theta) |
INLINE void | obj_aff_shearx_inv (OBJ_AFFINE *oa, FIXED hx) |
INLINE void | obj_aff_sheary_inv (OBJ_AFFINE *oa, FIXED hy) |