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fix bug in texcoordtransform 2 (normal source) created from r3660 fixed point changes (broke smackdown 2010 textures)

This commit is contained in:
zeromus 2011-10-01 22:23:56 +00:00
parent 9b241b9033
commit 592d5e5ef7
1 changed files with 5 additions and 4 deletions
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9
desmume/src/gfx3d.cpp
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@ -1128,15 +1128,16 @@ static void gfx3d_glNormal(s32 v)
s16 ny = ((v<<12)>>22)<<3;
s16 nz = ((v<<2)>>22)<<3;
CACHE_ALIGN s32 normal[4] = { nx,ny,nz,(1<<12) };
if (texCoordinateTransform == 2)
{
//SM64 highlight rendered star in main menu tests this
last_s = (s32)(((s64)nx * mtxCurrent[3][0] + (s64)ny * mtxCurrent[3][4] + (s64)nz * mtxCurrent[3][8] + (_s<<24))>>24);
last_t = (s32)(((s64)nx * mtxCurrent[3][1] + (s64)ny * mtxCurrent[3][5] + (s64)nz * mtxCurrent[3][9] + (_t<<24))>>24);
//also smackdown 2010 player textures tested this (needed cast on _s and _t)
last_s = (s32)(((s64)normal[0] * mtxCurrent[3][0] + (s64)normal[1] * mtxCurrent[3][4] + (s64)normal[2] * mtxCurrent[3][8] + (((s64)_s)<<24))>>24);
last_t = (s32)(((s64)normal[0] * mtxCurrent[3][1] + (s64)normal[1] * mtxCurrent[3][5] + (s64)normal[2] * mtxCurrent[3][9] + (((s64)_t)<<24))>>24);
}
CACHE_ALIGN s32 normal[4] = { nx,ny,nz,(1<<12) };
MatrixMultVec3x3_fixed(mtxCurrent[2],normal);
//apply lighting model