//a material can appear more than once in an atlas if using fixOutOfBoundsUVs.
//in this case need to use the UV rect of the mesh to find the correct rectangle.
public bool TryMapMaterialToUVRect(Material mat, Mesh m, int submeshIdx, int idxInResultMats, MB3_MeshCombinerSingle.MeshChannelsCache meshChannelCache, Dictionary <int, MB_Utility.MeshAnalysisResult[]> meshAnalysisCache,
out Rect rectInAtlas,
//out Rect subrectInAtlasMatTiling,
out Rect encapsulatingRect,
out Rect sourceMaterialTilingOut,
ref String errorMsg,
MB2_LogLevel logLevel)
{
if (tbr.materialsAndUVRects.Length == 0 && tbr.materials.Length > 0)
{
errorMsg = "The 'Texture Bake Result' needs to be re-baked to be compatible with this version of Mesh Baker. Please re-bake using the MB3_TextureBaker.";
rectInAtlas = new Rect();
//subrectInAtlasMatTiling = new Rect();
encapsulatingRect = new Rect();
sourceMaterialTilingOut = new Rect();
return(false);
}
if (mat == null)
{
rectInAtlas = new Rect();
//subrectInAtlasMatTiling = new Rect();
encapsulatingRect = new Rect();
sourceMaterialTilingOut = new Rect();
errorMsg = String.Format("Mesh {0} Had no material on submesh {1} cannot map to a material in the atlas", m.name, submeshIdx);
return(false);
}
if (submeshIdx >= m.subMeshCount)
{
errorMsg = "Submesh index is greater than the number of submeshes";
rectInAtlas = new Rect();
//subrectInAtlasMatTiling = new Rect();
encapsulatingRect = new Rect();
sourceMaterialTilingOut = new Rect();
return(false);
}
//find the first index of this material
int idx = -1;
for (int i = 0; i < matsAndSrcUVRect.Length; i++)
{
if (mat == matsAndSrcUVRect[i].material)
{
idx = i;
break;
}
}
// if couldn't find material
if (idx == -1)
{
rectInAtlas = new Rect();
//subrectInAtlasMatTiling = new Rect();
encapsulatingRect = new Rect();
sourceMaterialTilingOut = new Rect();
errorMsg = String.Format("Material {0} could not be found in the Texture Bake Result", mat.name);
return(false);
}
if (!tbr.resultMaterials[idxInResultMats].considerMeshUVs)
{
if (numTimesMatAppearsInAtlas[idx] != 1)
{
Debug.LogError("There is a problem with this TextureBakeResults. FixOutOfBoundsUVs is false and a material appears more than once.");
}
rectInAtlas = matsAndSrcUVRect[idx].atlasRect;
//subrectInAtlasMatTiling = matsAndSrcUVRect[idx].atlasSubrectMaterialOnly;
encapsulatingRect = matsAndSrcUVRect[idx].samplingEncapsulatinRect;
sourceMaterialTilingOut = matsAndSrcUVRect[idx].sourceMaterialTiling;
return(true);
}
else
{
//todo what if no UVs
//Find UV rect in source mesh
MB_Utility.MeshAnalysisResult[] mar;
if (!meshAnalysisCache.TryGetValue(m.GetInstanceID(), out mar))
{
mar = new MB_Utility.MeshAnalysisResult[m.subMeshCount];
for (int j = 0; j < m.subMeshCount; j++)
{
Vector2[] uvss = meshChannelCache.GetUv0Raw(m);
MB_Utility.hasOutOfBoundsUVs(uvss, m, ref mar[j], j);
}
meshAnalysisCache.Add(m.GetInstanceID(), mar);
}
//this could be a mesh that was not used in the texture baking that has huge UV tiling too big for the rect that was baked
//find a record that has an atlas uvRect capable of containing this
bool found = false;
if (logLevel >= MB2_LogLevel.trace)
{
Debug.Log(String.Format("Trying to find a rectangle in atlas capable of holding tiled sampling rect for mesh {0} using material {1} meshUVrect={2}", m, mat, mar[submeshIdx].uvRect.ToString("f5")));
}
for (int i = idx; i < matsAndSrcUVRect.Length; i++)
{
if (matsAndSrcUVRect[i].material == mat)
{
if (IsMeshAndMaterialRectEnclosedByAtlasRect(mar[submeshIdx].uvRect, matsAndSrcUVRect[i].sourceMaterialTiling, matsAndSrcUVRect[i].samplingEncapsulatinRect, logLevel))
{
if (logLevel >= MB2_LogLevel.trace)
{
Debug.Log("Found rect in atlas capable of containing tiled sampling rect for mesh " + m + " at idx=" + i);
}
idx = i;
found = true;
break;
}
}
}
if (found)
{
rectInAtlas = matsAndSrcUVRect[idx].atlasRect;
//subrectInAtlasMatTiling = matsAndSrcUVRect[idx].atlasSubrectMaterialOnly;
encapsulatingRect = matsAndSrcUVRect[idx].samplingEncapsulatinRect;
sourceMaterialTilingOut = matsAndSrcUVRect[idx].sourceMaterialTiling;
return(true);
}
else
{
rectInAtlas = new Rect();
//subrectInAtlasMatTiling = new Rect();
encapsulatingRect = new Rect();
sourceMaterialTilingOut = new Rect();
errorMsg = String.Format("Could not find a tiled rectangle in the atlas capable of containing the uv and material tiling on mesh {0} for material {1}", m.name, mat);
return(false);
}
}
}
//a material can appear more than once in an atlas if using fixOutOfBoundsUVs.
//in this case need to use the UV rect of the mesh to find the correct rectangle.
public bool TryMapMaterialToUVRect(Material mat, Mesh m, int submeshIdx, MB3_MeshCombinerSingle.MeshChannelsCache meshChannelCache, Dictionary <int, MB_Utility.MeshAnalysisResult[]> meshAnalysisCache,
out Rect rectInAtlas, out Rect subrectInAtlasMatTiling, ref String errorMsg)
{
if (tbr.materialsAndUVRects.Length == 0 && tbr.materials.Length > 0)
{
errorMsg = "The 'Material Bake Result' needs to be re-baked to be compatible with this version of Mesh Baker. Please re-bake using the MB3_TextureBaker.";
rectInAtlas = new Rect();
subrectInAtlasMatTiling = new Rect();
return(false);
}
if (mat == null)
{
rectInAtlas = new Rect();
subrectInAtlasMatTiling = new Rect();
errorMsg = String.Format("Mesh {0} Had no material on submesh {1} cannot map to a material in the atlas", m.name, submeshIdx);
return(false);
}
if (submeshIdx >= m.subMeshCount)
{
errorMsg = "Submesh index is greater than the number of submeshes";
rectInAtlas = new Rect();
subrectInAtlasMatTiling = new Rect();
return(false);
}
//find the first index of this material
int idx = -1;
for (int i = 0; i < matsAndSrcUVRect.Length; i++)
{
if (mat == matsAndSrcUVRect[i].material)
{
idx = i;
break;
}
}
// if couldn't find material
if (idx == -1)
{
rectInAtlas = new Rect();
subrectInAtlasMatTiling = new Rect();
errorMsg = String.Format("Material {0} could not be found in the Material Bake Result", mat.name);
return(false);
}
if (!tbr.fixOutOfBoundsUVs)
{
if (numTimesMatAppearsInAtlas[idx] != 1)
{
Debug.LogError("There is a problem with this TextureBakeResults. FixOutOfBoundsUVs is false and a material appears more than once.");
}
rectInAtlas = matsAndSrcUVRect[idx].atlasRect;
subrectInAtlasMatTiling = matsAndSrcUVRect[idx].atlasSubrectMaterialOnly;
return(true);
}
else
{
//todo what if no UVs
//Find UV rect in source mesh
MB_Utility.MeshAnalysisResult[] mar;
if (!meshAnalysisCache.TryGetValue(m.GetInstanceID(), out mar))
{
mar = new MB_Utility.MeshAnalysisResult[m.subMeshCount];
for (int j = 0; j < m.subMeshCount; j++)
{
Vector2[] uvss = meshChannelCache.GetUv0Raw(m);
MB_Utility.hasOutOfBoundsUVs(uvss, m, ref mar[j], j);
}
meshAnalysisCache.Add(m.GetInstanceID(), mar);
}
//this could be a mesh that was not used in the texture baking that has huge UV tiling too big for the rect that was baked
//find a record that has an atlas uvRect capable of containing this
bool found = false;
for (int i = idx; i < matsAndSrcUVRect.Length; i++)
{
if (matsAndSrcUVRect[i].material == mat)
{
//calculate what the UV rect in the atlas would be if we combined the material tiling of this rect with the UV tiling of this submesh
Rect potentialRect = new Rect();
Rect uvR = mar[submeshIdx].uvRect;
Rect matR = matsAndSrcUVRect[i].atlasSubrectMaterialOnly;
potentialRect = MB3_UVTransformUtility.CombineTransforms(ref matR, ref uvR);
//MB3_UVTransformUtility.Canonicalize(ref potentialRect);
// test to see if this would fit in what was baked in the atlas
Rect rr = new Rect(0f, 0f, 1f, 1f);
if (MB3_UVTransformUtility.RectContains(ref rr, ref potentialRect))
{
idx = i;
found = true;
break;
}
}
}
if (found)
{
rectInAtlas = matsAndSrcUVRect[idx].atlasRect;
subrectInAtlasMatTiling = matsAndSrcUVRect[idx].atlasSubrectMaterialOnly;
return(true);
}
else
{
rectInAtlas = new Rect();
subrectInAtlasMatTiling = new Rect();
errorMsg = String.Format("Could not find a tiled rectangle in the atlas capable of containing the uv and material tiling on mesh {0}", m.name);
return(false);
}
}
}
