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properly cache un-normalised texture coordinates, fixes a texturing regression in Daytona

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This commit is contained in:
Ian Curtis 2016-12-15 12:10:52 +00:00
parent f355e2d062
commit ca7046729e
1 changed files with 9 additions and 3 deletions
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12
Src/Graphics/New3D/New3D.cpp
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@ -988,6 +988,7 @@ void CNew3D::SetMeshValues(SortingMesh *currentMesh, PolyHeader &ph)
void CNew3D::CacheModel(Model *m, const UINT32 *data)
{
Vertex prev[4];
UINT16 texCoords[4][2];
UINT16 prevTexCoords[4][2];
PolyHeader ph;
int numPolys = 0;
@ -1053,10 +1054,13 @@ void CNew3D::CacheModel(Model *m, const UINT32 *data)
{
p.v[j] = prev[i];
texCoords[j][0] = prevTexCoords[i][0];
texCoords[j][1] = prevTexCoords[i][1];
//check if we need to recalc tex coords - will only happen if tex tiles are different + sharing vertices
if (hash != lastHash) {
if (currentMesh->textured) {
Texture::GetCoordinates(currentMesh->width, currentMesh->height, prevTexCoords[i][0], prevTexCoords[i][1], uvScale, p.v[j].texcoords[0], p.v[j].texcoords[1]);
Texture::GetCoordinates(currentMesh->width, currentMesh->height, texCoords[j][0], texCoords[j][1], uvScale, p.v[j].texcoords[0], p.v[j].texcoords[1]);
}
}
@ -1145,8 +1149,8 @@ void CNew3D::CacheModel(Model *m, const UINT32 *data)
p.v[j].texcoords[1] = texV;
//cache un-normalised tex coordinates
prevTexCoords[j][0] = (UINT16)(it >> 16);
prevTexCoords[j][1] = (UINT16)(it & 0xFFFF);
texCoords[j][0] = (UINT16)(it >> 16);
texCoords[j][1] = (UINT16)(it & 0xFFFF);
vData += 4;
}
@ -1191,6 +1195,8 @@ void CNew3D::CacheModel(Model *m, const UINT32 *data)
// Copy current vertices into previous vertex array
for (i = 0; i < 4; i++) {
prev[i] = p.v[i];
prevTexCoords[i][0] = texCoords[i][0];
prevTexCoords[i][1] = texCoords[i][1];
}
} while (ph.NextPoly());