public void CalcMatAndUVSamplingRects()
{
if (allTexturesUseSameMatTiling)
{
DRect matTiling = new DRect(0f, 0f, 1f, 1f);
for (int propIdx = 0; propIdx < ts.Length; propIdx++)
{
if (!ts[propIdx].isNull)
{
matTiling = ts[propIdx].matTilingRect;
}
}
for (int matIdx = 0; matIdx < matsAndGOs.mats.Count; matIdx++)
{
matsAndGOs.mats[matIdx].materialTiling = matTiling;
matsAndGOs.mats[matIdx].samplingRectMatAndUVTiling = MB3_UVTransformUtility.CombineTransforms(ref matsAndGOs.mats[matIdx].obUVRectIfTilingSame, ref matTiling); //MB3_TextureCombiner.GetSourceSamplingRect(ts[matIdx], obUVoffset, obUVscale);
}
}
else
{
// material tiling is different for each texture property
// in this case we set the material tiling to 1 here
for (int matIdx = 0; matIdx < matsAndGOs.mats.Count; matIdx++)
{
DRect matTiling = new DRect(0f, 0f, 1f, 1f);
matsAndGOs.mats[matIdx].materialTiling = matTiling;
matsAndGOs.mats[matIdx].samplingRectMatAndUVTiling = MB3_UVTransformUtility.CombineTransforms(ref matsAndGOs.mats[matIdx].obUVRectIfTilingSame, ref matTiling); //MB3_TextureCombiner.GetSourceSamplingRect(ts[matIdx], obUVoffset, obUVscale);
}
}
}
/*
* public class SamplingRectEnclosesComparer : IComparer<MatAndTransformToMerged>
* {
* public int Compare(MatAndTransformToMerged x, MatAndTransformToMerged y)
* {
* if (x.samplingRectMatAndUVTiling.Equals(y.samplingRectMatAndUVTiling))
* {
* return 0;
* }
* else if (x.samplingRectMatAndUVTiling.Encloses(y.samplingRectMatAndUVTiling))
* {
* return -1;
* }
* else
* {
* return 1;
* }
* }
* }
*/
public static Rect BuildTransformMeshUV2AtlasRectB(bool considerMeshUVs,
Rect _atlasRect, //this is uvRect in combined Atlas
Rect _obUVRect,
Rect _sourceMaterialTiling,
Rect _encapsulatingRect)
{
DRect atlasRect = new DRect(_atlasRect);
DRect obUVRect;
if (considerMeshUVs)
{
obUVRect = new DRect(_obUVRect); //this is the uvRect in src mesh
}
else
{
obUVRect = new DRect(0.0, 0.0, 1.0, 1.0);
}
DRect sourceMaterialTiling = new DRect(_sourceMaterialTiling);
DRect encapsulatingRectMatAndUVTiling = new DRect(_encapsulatingRect);
DRect encapsulatingRectMatAndUVTilingInverse = MB3_UVTransformUtility.InverseTransform(ref encapsulatingRectMatAndUVTiling);
DRect toNormalizedUVs = MB3_UVTransformUtility.InverseTransform(ref obUVRect);
DRect meshFullSamplingRect = MB3_UVTransformUtility.CombineTransforms(ref obUVRect, ref sourceMaterialTiling);
DRect shiftToFitInEncapsulating = MB3_UVTransformUtility.GetShiftTransformToFitBinA(ref encapsulatingRectMatAndUVTiling, ref meshFullSamplingRect);
meshFullSamplingRect = MB3_UVTransformUtility.CombineTransforms(ref meshFullSamplingRect, ref shiftToFitInEncapsulating);
//transform between full sample rect and encapsulating rect
DRect relativeTrans = MB3_UVTransformUtility.CombineTransforms(ref meshFullSamplingRect, ref encapsulatingRectMatAndUVTilingInverse);
// [transform] = [toNormalizedUVs][relativeTrans][uvSubRectInAtlas]
DRect trans = MB3_UVTransformUtility.CombineTransforms(ref toNormalizedUVs, ref relativeTrans);
trans = MB3_UVTransformUtility.CombineTransforms(ref trans, ref atlasRect);
Rect rr = trans.GetRect();
return(rr);
/*
* Debug.Log("toNormalizedUVs " + toNormalizedUVs);
* Debug.Log("relativeTrans " + relativeTrans);
* Debug.Log("atlasRect " + atlasRect);
* Debug.Log("trans " + trans);
* Debug.Log("srcMatTiling " + sourceMaterialTiling);
* Debug.Log("obUVRect" + obUVRect);
* Debug.Log("samplingRectMatAndUVTiling" + encapsulatingRectMatAndUVTiling);
*/
}
public void AssignInitialValuesForMaterialTilingAndSamplingRectMatAndUVTiling(bool allTexturesUseSameMatTiling, DRect matTiling)
{
if (allTexturesUseSameMatTiling)
{
materialTiling = matTiling;
}
else
{
materialTiling = new DRect(0f, 0f, 1f, 1f);
}
DRect tmpMatTiling = materialTiling;
DRect obUVrect = obUVRectIfTilingSame;
samplingRectMatAndUVTiling = MB3_UVTransformUtility.CombineTransforms(ref obUVrect, ref tmpMatTiling);
}
//assumes all materials use the same obUVrects.
internal void CalcInitialFullSamplingRects(bool fixOutOfBoundsUVs)
{
DRect validFullSamplingRect = new Core.DRect(0, 0, 1, 1);
if (fixOutOfBoundsUVs)
{
validFullSamplingRect = obUVrect;
}
for (int propIdx = 0; propIdx < ts.Length; propIdx++)
{
if (!ts[propIdx].isNull)
{
DRect matTiling = ts[propIdx].matTilingRect;
DRect ruv;
if (fixOutOfBoundsUVs)
{
ruv = obUVrect;
}
else
{
ruv = new DRect(0.0, 0.0, 1.0, 1.0);
}
ts[propIdx].SetEncapsulatingSamplingRect(this, MB3_UVTransformUtility.CombineTransforms(ref ruv, ref matTiling));
validFullSamplingRect = ts[propIdx].GetEncapsulatingSamplingRect();
}
}
//if some of the textures were null make them match the sampling of one of the other textures
for (int propIdx = 0; propIdx < ts.Length; propIdx++)
{
if (ts[propIdx].isNull)
{
ts[propIdx].SetEncapsulatingSamplingRect(this, validFullSamplingRect);
}
}
}