diff options
Diffstat (limited to '')
| -rwxr-xr-x | include/rvl/GXLighting.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/include/rvl/GXLighting.h b/include/rvl/GXLighting.h new file mode 100755 index 0000000..26139b9 --- /dev/null +++ b/include/rvl/GXLighting.h @@ -0,0 +1,94 @@ +#ifndef __GXLIGHTING_H__
+#define __GXLIGHTING_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*---------------------------------------------------------------------------*/
+#include "rvl/GXStruct.h"
+
+/*---------------------------------------------------------------------------*/
+void GXInitLightAttn(
+ GXLightObj* lt_obj,
+ f32 a0,
+ f32 a1,
+ f32 a2,
+ f32 k0,
+ f32 k1,
+ f32 k2 );
+
+void GXInitLightAttnA ( GXLightObj *lt_obj, f32 a0, f32 a1, f32 a2);
+void GXInitLightAttnK ( GXLightObj *lt_obj, f32 k0, f32 k1, f32 k2 );
+
+void GXInitLightSpot(
+ GXLightObj* lt_obj,
+ f32 cutoff,
+ GXSpotFn spot_func );
+
+void GXInitLightDistAttn(
+ GXLightObj* lt_obj,
+ f32 ref_distance,
+ f32 ref_brightness,
+ GXDistAttnFn dist_func );
+
+
+void GXInitLightPos ( GXLightObj* lt_obj, f32 x, f32 y, f32 z );
+void GXInitLightColor ( GXLightObj* lt_obj, GXColor color );
+void GXLoadLightObjImm ( const GXLightObj* lt_obj, GXLightID light );
+void GXLoadLightObjIndx ( u32 lt_obj_indx, GXLightID light );
+void GXSetChanAmbColor ( GXChannelID chan, GXColor amb_color );
+void GXSetChanMatColor ( GXChannelID chan, GXColor mat_color );
+void GXSetNumChans ( u8 nChans );
+
+void GXInitLightDir ( GXLightObj* lt_obj, f32 nx, f32 ny, f32 nz );
+
+// New functions to set light direction and half-angle.
+void GXInitSpecularDir ( GXLightObj* lt_obj, f32 nx, f32 ny, f32 nz );
+void GXInitSpecularDirHA(
+ GXLightObj* lt_obj,
+ f32 nx,
+ f32 ny,
+ f32 nz,
+ f32 hx,
+ f32 hy,
+ f32 hz );
+
+void GXSetChanCtrl(
+ GXChannelID chan,
+ GXBool enable,
+ GXColorSrc amb_src,
+ GXColorSrc mat_src,
+ u32 light_mask,
+ GXDiffuseFn diff_fn,
+ GXAttnFn attn_fn );
+
+/*---------------------------------------------------------------------------*/
+// Convenient Macros
+
+#define GXInitLightPosv(lo,vec) \
+ (GXInitLightPos((lo), *(f32*)(vec), *((f32*)(vec)+1), *((f32*)(vec)+2)))
+
+#define GXInitLightDirv(lo,vec) \
+ (GXInitLightDir((lo), *(f32*)(vec), *((f32*)(vec)+1), *((f32*)(vec)+2)))
+
+#define GXInitSpecularDirv(lo,vec) \
+ (GXInitSpecularDir((lo), *(f32*)(vec), *((f32*)(vec)+1), *((f32*)(vec)+2)))
+
+#define GXInitSpecularDirHAv(lo,vec0,vec1) \
+ (GXInitSpecularDirHA((lo), \
+ *(f32*)(vec0), *((f32*)(vec0)+1), *((f32*)(vec0)+2), \
+ *(f32*)(vec1), *((f32*)(vec1)+1), *((f32*)(vec1)+2)))
+
+#define GXInitLightShininess(lobj, shininess) \
+ (GXInitLightAttn(lobj, 0.0F, 0.0F, 1.0F, \
+ (shininess)/2.0F, 0.0F, \
+ 1.0F-(shininess)/2.0F ))
+
+
+/*---------------------------------------------------------------------------*/
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __GXLIGHTING_H__
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