bool _ValidateResultMaterials()
{
HashSet <Material> allMatsOnObjs = new HashSet <Material>();
for (int i = 0; i < objsToMesh.Count; i++)
{
if (objsToMesh[i] != null)
{
Material[] ms = SAUtility.GetGOMaterials(objsToMesh[i]);
for (int j = 0; j < ms.Length; j++)
{
if (ms[j] != null)
{
allMatsOnObjs.Add(ms[j]);
}
}
}
}
HashSet <Material> allMatsInMapping = new HashSet <Material>();
for (int i = 0; i < resultMaterials.Length; i++)
{
SAMultiMaterial mm = resultMaterials[i];
if (mm.combinedMaterial == null)
{
Debug.LogError("Combined Material is null please create and assign a result material.");
return(false);
}
Shader targShader = mm.combinedMaterial.shader;
for (int j = 0; j < mm.sourceMaterials.Count; j++)
{
if (mm.sourceMaterials[j] == null)
{
Debug.LogError("There are null entries in the list of Source Materials");
return(false);
}
if (targShader != mm.sourceMaterials[j].shader)
{
Debug.LogWarning("Source material " + mm.sourceMaterials[j] + " does not use shader " + targShader + " it may not have the required textures. If not empty textures will be generated.");
}
if (allMatsInMapping.Contains(mm.sourceMaterials[j]))
{
Debug.LogError("A Material " + mm.sourceMaterials[j] + " appears more than once in the list of source materials in the source material to combined mapping. Each source material must be unique.");
return(false);
}
allMatsInMapping.Add(mm.sourceMaterials[j]);
}
}
if (allMatsOnObjs.IsProperSubsetOf(allMatsInMapping))
{
allMatsInMapping.ExceptWith(allMatsOnObjs);
Debug.LogWarning("There are materials in the mapping that are not used on your source objects: " + PrintSet(allMatsInMapping));
}
if (allMatsInMapping.IsProperSubsetOf(allMatsOnObjs))
{
allMatsOnObjs.ExceptWith(allMatsInMapping);
Debug.LogError("There are materials on the objects to combine that are not in the mapping: " + PrintSet(allMatsOnObjs));
return(false);
}
return(true);
}
public static bool DoCombinedValidate(SA3MeshCombineRoot mom, SAObjsToCombineTypes objToCombineType, SA2EditorMethodsInterface editorMethods)
{
if (mom.textureBakeResults == null)
{
Debug.LogError("Need to set Material Bake Result on " + mom);
return(false);
}
if (!(mom is SA3TextureCombine))
{
SA3TextureCombine tb = mom.GetComponent <SA3TextureCombine>();
if (tb != null && tb.textureBakeResults != mom.textureBakeResults)
{
Debug.LogWarning("Material Bake Result on this component is not the same as the Material Bake Result on the SA3TextureCombine.");
}
}
List <GameObject> objsToMesh = mom.GetObjectsToCombine();
for (int i = 0; i < objsToMesh.Count; i++)
{
GameObject go = objsToMesh[i];
if (go == null)
{
Debug.LogError("The list of objects to combine contains a null at position." + i + " Select and use [shift] delete to remove");
return(false);
}
for (int j = i + 1; j < objsToMesh.Count; j++)
{
if (objsToMesh[i] == objsToMesh[j])
{
Debug.LogError("The list of objects to combine contains duplicates.");
return(false);
}
}
if (SAUtility.GetGOMaterials(go) == null)
{
Debug.LogError("Object " + go + " in the list of objects to be combined does not have a material");
return(false);
}
if (SAUtility.GetMesh(go) == null)
{
Debug.LogError("Object " + go + " in the list of objects to be combined does not have a mesh");
return(false);
}
}
if (mom.textureBakeResults.doMultiMaterial)
{
if (!validateSubmeshOverlap(mom))
{//only warns currently
return(false);
}
}
List <GameObject> objs = objsToMesh;
if (mom is SA3MeshCombine)
{
objs = mom.GetObjectsToCombine();
//if (((SA3MeshCombine)mom).useObjsToMeshFromTexBaker && tb != null) objs = tb.GetObjectsToCombine();
if (objs == null || objs.Count == 0)
{
Debug.LogError("No meshes to combine. Please assign some meshes to combine.");
return(false);
}
if (mom is SA3MeshCombine && ((SA3MeshCombine)mom).meshCombiner.renderType == SARenderType.skinnedMeshRenderer)
{
if (!editorMethods.ValidateSkinnedMeshes(objs))
{
return(false);
}
}
}
if (editorMethods != null)
{
editorMethods.CheckPrefabTypes(objToCombineType, objsToMesh);
}
return(true);
}
SAAtlasesAndRects[] _CreateAtlases(ProgressUpdateDelegate progressInfo, bool saveAtlasesAsAssets = false, SA2EditorMethodsInterface editorMethods = null)
{
//validation
if (saveAtlasesAsAssets && editorMethods == null)
{
Debug.LogError("Error in CreateAtlases If saveAtlasesAsAssets = true then editorMethods cannot be null.");
return(null);
}
if (saveAtlasesAsAssets && !Application.isEditor)
{
Debug.LogError("Error in CreateAtlases If saveAtlasesAsAssets = true it must be called from the Unity Editor.");
return(null);
}
if (!DoCombinedValidate(this, SAObjsToCombineTypes.dontCare, editorMethods))
{
return(null);
}
if (_doMultiMaterial && !_ValidateResultMaterials())
{
return(null);
}
else if (!_doMultiMaterial)
{
if (_resultMaterial == null)
{
Debug.LogError("Combined Material is null please create and assign a result material.");
return(null);
}
Shader targShader = _resultMaterial.shader;
for (int i = 0; i < objsToMesh.Count; i++)
{
Material[] ms = SAUtility.GetGOMaterials(objsToMesh[i]);
for (int j = 0; j < ms.Length; j++)
{
Material m = ms[j];
if (m == null)
{
Debug.LogError("Game object " + objsToMesh[i] + " has a null material. Can't build atlases");
return(null);
}
else if (m != null && m.shader != targShader)
{
Debug.LogWarning("Game object " + objsToMesh[i] + " does not use shader " + targShader + " it may not have the required textures. If not 2x2 clear textures will be generated.");
}
}
}
}
//for (int i = 0; i < objsToMesh.Count; i++)
//{
// Material[] ms = SAUtility.GetGOMaterials(objsToMesh[i]);
// for (int j = 0; j < ms.Length; j++)
// {
// Material m = ms[j];
// if (m == null)
// {
// Debug.LogError("Game object " + objsToMesh[i] + " has a null material. Can't build atlases");
// return null;
// }
// }
//}
SA3TextureCombiner combiner = new SA3TextureCombiner();
combiner.LOG_LEVEL = LOG_LEVEL;
combiner.atlasPadding = _atlasPadding;
combiner.customShaderPropNames = _customShaderPropNames;
combiner.fixOutOfBoundsUVs = _fixOutOfBoundsUVs;
combiner.maxTilingBakeSize = _maxTilingBakeSize;
combiner.packingAlgorithm = _packingAlgorithm;
combiner.combineTexturePackerForcePowerOfTwo = _combineTexturePackerForcePowerOfTwo;
combiner.resizePowerOfTwoTextures = _resizePowerOfTwoTextures;
combiner.saveAtlasesAsAssets = saveAtlasesAsAssets;
// if editor analyse meshes and suggest treatment
if (!Application.isPlaying)
{
Material[] rms;
if (_doMultiMaterial)
{
rms = new Material[resultMaterials.Length];
for (int i = 0; i < rms.Length; i++)
{
rms[i] = resultMaterials[i].combinedMaterial;
}
}
else
{
rms = new Material[1];
rms[0] = _resultMaterial;
}
combiner.SuggestTreatment(objsToMesh, rms, combiner.customShaderPropNames);
}
//initialize structure to store results
int numResults = 1;
if (_doMultiMaterial)
{
numResults = resultMaterials.Length;
}
SAAtlasesAndRects[] resultAtlasesAndRects = new SAAtlasesAndRects[numResults];
for (int i = 0; i < resultAtlasesAndRects.Length; i++)
{
resultAtlasesAndRects[i] = new SAAtlasesAndRects();
}
//Do the material combining.
for (int i = 0; i < resultAtlasesAndRects.Length; i++)
{
Material resMatToPass = null;
List <Material> sourceMats = null;
if (_doMultiMaterial)
{
sourceMats = resultMaterials[i].sourceMaterials;
resMatToPass = resultMaterials[i].combinedMaterial;
}
else
{
resMatToPass = _resultMaterial;
}
Debug.Log("Creating atlases for result material " + resMatToPass);
if (!combiner.CombineTexturesIntoAtlases(progressInfo, resultAtlasesAndRects[i], resMatToPass, objsToMesh, sourceMats, editorMethods))
{
return(null);
}
}
//Save the results
textureBakeResults.combinedMaterialInfo = resultAtlasesAndRects;
textureBakeResults.doMultiMaterial = _doMultiMaterial;
textureBakeResults.resultMaterial = _resultMaterial;
textureBakeResults.resultMaterials = resultMaterials;
textureBakeResults.fixOutOfBoundsUVs = combiner.fixOutOfBoundsUVs;
unpackMat2RectMap(textureBakeResults);
//set the texture bake resultAtlasesAndRects on the Mesh Baker component if it exists
SA3MeshCombineCommon[] mb = GetComponentsInChildren <SA3MeshCombineCommon>();
for (int i = 0; i < mb.Length; i++)
{
mb[i].textureBakeResults = textureBakeResults;
}
if (LOG_LEVEL >= SA2LogLevel.info)
{
Debug.Log("Created Atlases");
}
return(resultAtlasesAndRects);
}
