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Optimise non smooth texture repeat to only effect texture boundaries, rather than poly boundaries. Fixes a few ugly artefacts

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This commit is contained in:
Ian Curtis 2016-05-28 13:21:35 +00:00
parent 661f19be19
commit ce03c13847
1 changed files with 19 additions and 4 deletions
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23
Src/Graphics/New3D/New3D.cpp
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@ -823,14 +823,29 @@ void CNew3D::OffsetTexCoords(R3DPoly& r3dPoly, float offset[2])
max = std::max(r3dPoly.v[j].texcoords[i], max); max = std::max(r3dPoly.v[j].texcoords[i], max);
} }
float fTemp;
float iTemp;
bool fractMin;
bool fractMax;
fTemp = modf(min, &iTemp);
fractMin = fTemp > 0;
fTemp = modf(max, &iTemp);
fractMax = fTemp > 0;
for (int j = 0; j < r3dPoly.number && min != max; j++) { for (int j = 0; j < r3dPoly.number && min != max; j++) {
if (r3dPoly.v[j].texcoords[i] == min) { if (!fractMin) {
r3dPoly.v[j].texcoords[i] += offset[i]; if (r3dPoly.v[j].texcoords[i] == min) {
r3dPoly.v[j].texcoords[i] += offset[i];
}
} }
if (r3dPoly.v[j].texcoords[i] == max) { if (!fractMax) {
r3dPoly.v[j].texcoords[i] -= offset[i]; if (r3dPoly.v[j].texcoords[i] == max) {
r3dPoly.v[j].texcoords[i] -= offset[i];
}
} }
} }
} }