/// <summary>
/// Creates the atlases.
/// </summary>
/// <returns>
/// The atlases.
/// </returns>
/// <param name='progressInfo'>
/// Progress info is a delegate function that displays a progress dialog. Can be null
/// </param>
/// <param name='saveAtlasesAsAssets'>
/// if true atlases are saved as assets in the project folder. Othersise they are instances in memory
/// </param>
/// <param name='editorMethods'>
/// Texture format tracker. Contains editor functionality such as save assets. Can be null.
/// </param>
public MB_AtlasesAndRects[] CreateAtlases(ProgressUpdateDelegate progressInfo, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null)
{
MB_AtlasesAndRects[] mAndAs = null;
try
{
_coroutineResult = new MB3_TextureCombiner.CreateAtlasesCoroutineResult();
MB3_TextureCombiner.RunCorutineWithoutPause(CreateAtlasesCoroutine(progressInfo, _coroutineResult, saveAtlasesAsAssets, editorMethods, 1000f), 0);
if (_coroutineResult.success && textureBakeResults != null)
{
mAndAs = this.OnCombinedTexturesCoroutineAtlasesAndRects;
}
}
catch (Exception ex)
{
Debug.LogError(ex.Message + "\n" + ex.StackTrace.ToString());
}
finally
{
if (saveAtlasesAsAssets)
{ //Atlases were saved to project so we don't need these ones
if (mAndAs != null)
{
for (int j = 0; j < mAndAs.Length; j++)
{
MB_AtlasesAndRects mAndA = mAndAs[j];
if (mAndA != null && mAndA.atlases != null)
{
for (int i = 0; i < mAndA.atlases.Length; i++)
{
if (mAndA.atlases[i] != null)
{
if (editorMethods != null)
{
editorMethods.Destroy(mAndA.atlases[i]);
}
else
{
MB_Utility.Destroy(mAndA.atlases[i]);
}
}
}
}
}
}
}
}
return(mAndAs);
}
public IEnumerator CreateAtlasesCoroutine(ProgressUpdateDelegate progressInfo, MB3_TextureCombiner.CreateAtlasesCoroutineResult coroutineResult, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null, float maxTimePerFrame = .01f)
{
yield return(_CreateAtlasesCoroutine(progressInfo, coroutineResult, saveAtlasesAsAssets, editorMethods, maxTimePerFrame));
if (coroutineResult.success && onBuiltAtlasesSuccess != null)
{
onBuiltAtlasesSuccess();
}
if (!coroutineResult.success && onBuiltAtlasesFail != null)
{
onBuiltAtlasesFail();
}
}
private IEnumerator _CreateAtlasesCoroutine(ProgressUpdateDelegate progressInfo, MB3_TextureCombiner.CreateAtlasesCoroutineResult coroutineResult, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null, float maxTimePerFrame = .01f)
{
MBVersionConcrete mbv = new MBVersionConcrete();
if (!MB3_TextureCombiner._RunCorutineWithoutPauseIsRunning && (mbv.GetMajorVersion() < 5 || (mbv.GetMajorVersion() == 5 && mbv.GetMinorVersion() < 3)))
{
Debug.LogError("Running the texture combiner as a coroutine only works in Unity 5.3 and higher");
coroutineResult.success = false;
yield break;
}
this.OnCombinedTexturesCoroutineAtlasesAndRects = null;
if (maxTimePerFrame <= 0f)
{
Debug.LogError("maxTimePerFrame must be a value greater than zero");
coroutineResult.isFinished = true;
yield break;
}
MB2_ValidationLevel vl = Application.isPlaying ? MB2_ValidationLevel.quick : MB2_ValidationLevel.robust;
if (!DoCombinedValidate(this, MB_ObjsToCombineTypes.dontCare, null, vl))
{
coroutineResult.isFinished = true;
yield break;
}
if (_doMultiMaterial && !_ValidateResultMaterials())
{
coroutineResult.isFinished = true;
yield break;
}
else if (resultType == MB2_TextureBakeResults.ResultType.textureArray)
{
//TODO validate texture arrays.
}
else if (!_doMultiMaterial)
{
if (_resultMaterial == null)
{
Debug.LogError("Combined Material is null please create and assign a result material.");
coroutineResult.isFinished = true;
yield break;
}
Shader targShader = _resultMaterial.shader;
for (int i = 0; i < objsToMesh.Count; i++)
{
Material[] ms = MB_Utility.GetGOMaterials(objsToMesh[i]);
for (int j = 0; j < ms.Length; j++)
{
Material m = ms[j];
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 small solid color textures will be generated.");
}
}
}
}
MB3_TextureCombiner combiner = CreateAndConfigureTextureCombiner();
combiner.saveAtlasesAsAssets = saveAtlasesAsAssets;
OnCombinedTexturesCoroutineAtlasesAndRects = null;
if (resultType == MB2_TextureBakeResults.ResultType.textureArray)
{
yield return(_CreateAtlasesCoroutineTextureArray(combiner, progressInfo, coroutineResult, saveAtlasesAsAssets, editorMethods, maxTimePerFrame));
if (!coroutineResult.success)
{
yield break;
}
}
else
{
yield return(_CreateAtlasesCoroutineAtlases(combiner, progressInfo, coroutineResult, saveAtlasesAsAssets, editorMethods, maxTimePerFrame));
if (!coroutineResult.success)
{
yield break;
}
}
//set the texture bake resultAtlasesAndRects on the Mesh Baker component if it exists
MB3_MeshBakerCommon[] mb = GetComponentsInChildren <MB3_MeshBakerCommon>();
for (int i = 0; i < mb.Length; i++)
{
mb[i].textureBakeResults = textureBakeResults;
}
coroutineResult.isFinished = true;
}
internal IEnumerator _CreateAtlasesCoroutineTextureArray(MB3_TextureCombiner combiner, ProgressUpdateDelegate progressInfo, MB3_TextureCombiner.CreateAtlasesCoroutineResult coroutineResult, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null, float maxTimePerFrame = .01f)
{
MB_TextureArrayResultMaterial[] bakedMatsAndSlices = null;
// Validate the formats
if (textureArrayOutputFormats == null || textureArrayOutputFormats.Length == 0)
{
Debug.LogError("No Texture Array Output Formats. There must be at least one entry.");
coroutineResult.isFinished = true;
yield break;
}
for (int i = 0; i < textureArrayOutputFormats.Length; i++)
{
if (!textureArrayOutputFormats[i].ValidateTextureImporterFormatsExistsForTextureFormats(editorMethods, i))
{
Debug.LogError("Could not map the selected texture format to a Texture Importer Format. Safest options are ARGB32, or RGB24.");
coroutineResult.isFinished = true;
yield break;
}
}
for (int resMatIdx = 0; resMatIdx < resultMaterialsTexArray.Length; resMatIdx++)
{
MB_MultiMaterialTexArray textureArraySliceConfig = resultMaterialsTexArray[resMatIdx];
if (textureArraySliceConfig.combinedMaterial == null)
{
Debug.LogError("Material is null for Texture Array Slice Configuration: " + resMatIdx + ".");
coroutineResult.isFinished = true;
yield break;
}
List <MB_TexArraySlice> slices = textureArraySliceConfig.slices;
for (int sliceIdx = 0; sliceIdx < slices.Count; sliceIdx++)
{
for (int srcMatIdx = 0; srcMatIdx < slices[sliceIdx].sourceMaterials.Count; srcMatIdx++)
{
MB_TexArraySliceRendererMatPair sourceMat = slices[sliceIdx].sourceMaterials[srcMatIdx];
if (sourceMat.sourceMaterial == null)
{
Debug.LogError("Source material is null for Texture Array Slice Configuration: " + resMatIdx + " slice: " + sliceIdx);
coroutineResult.isFinished = true;
yield break;
}
if (slices[sliceIdx].considerMeshUVs)
{
if (sourceMat.renderer == null)
{
Debug.LogError("Renderer is null for Texture Array Slice Configuration: " + resMatIdx + " slice: " + sliceIdx + ". If considerUVs is enabled then a renderer must be supplied for each source material. The same source material can be used multiple times.");
coroutineResult.isFinished = true;
yield break;
}
}
else
{
// TODO check for duplicate source mats.
}
}
}
}
// initialize structure to store results. For texture arrays the structure is two layers deep.
// First layer is resultMaterial / submesh (each result material can use a different shader)
// Second layer is a set of TextureArrays for the TextureProperties on that result material.
int numResultMats = resultMaterialsTexArray.Length;
bakedMatsAndSlices = new MB_TextureArrayResultMaterial[numResultMats];
for (int resMatIdx = 0; resMatIdx < bakedMatsAndSlices.Length; resMatIdx++)
{
bakedMatsAndSlices[resMatIdx] = new MB_TextureArrayResultMaterial();
int numSlices = resultMaterialsTexArray[resMatIdx].slices.Count;
MB_AtlasesAndRects[] slices = bakedMatsAndSlices[resMatIdx].slices = new MB_AtlasesAndRects[numSlices];
for (int j = 0; j < numSlices; j++)
{
slices[j] = new MB_AtlasesAndRects();
}
}
// Some of the slices will be atlases (more than one atlas per slice).
// Do the material combining for these. First loop over the result materials (1 per submeshes).
for (int resMatIdx = 0; resMatIdx < bakedMatsAndSlices.Length; resMatIdx++)
{
yield return(MB_TextureArrays._CreateAtlasesCoroutineSingleResultMaterial(resMatIdx, bakedMatsAndSlices[resMatIdx], resultMaterialsTexArray[resMatIdx],
objsToMesh,
combiner,
textureArrayOutputFormats,
resultMaterialsTexArray,
customShaderProperties,
progressInfo, coroutineResult, saveAtlasesAsAssets, editorMethods, maxTimePerFrame));
if (!coroutineResult.success)
{
yield break;
}
}
if (coroutineResult.success)
{
// Save the results into the TextureBakeResults.
unpackMat2RectMap(bakedMatsAndSlices);
if (editorMethods != null)
{
editorMethods.GetMaterialPrimaryKeysIfAddressables(textureBakeResults);
}
textureBakeResults.resultType = MB2_TextureBakeResults.ResultType.textureArray;
textureBakeResults.resultMaterials = new MB_MultiMaterial[0];
textureBakeResults.resultMaterialsTexArray = resultMaterialsTexArray;
if (LOG_LEVEL >= MB2_LogLevel.info)
{
Debug.Log("Created Texture2DArrays");
}
}
else
{
if (LOG_LEVEL >= MB2_LogLevel.info)
{
Debug.Log("Failed to create Texture2DArrays");
}
}
}
private IEnumerator _CreateAtlasesCoroutineAtlases(MB3_TextureCombiner combiner, ProgressUpdateDelegate progressInfo, MB3_TextureCombiner.CreateAtlasesCoroutineResult coroutineResult, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null, float maxTimePerFrame = .01f)
{
int numResults = 1;
if (_doMultiMaterial)
{
numResults = resultMaterials.Length;
}
OnCombinedTexturesCoroutineAtlasesAndRects = new MB_AtlasesAndRects[numResults];
for (int i = 0; i < OnCombinedTexturesCoroutineAtlasesAndRects.Length; i++)
{
OnCombinedTexturesCoroutineAtlasesAndRects[i] = new MB_AtlasesAndRects();
}
//Do the material combining.
for (int i = 0; i < OnCombinedTexturesCoroutineAtlasesAndRects.Length; i++)
{
Material resMatToPass = null;
List <Material> sourceMats = null;
if (_doMultiMaterial)
{
sourceMats = resultMaterials[i].sourceMaterials;
resMatToPass = resultMaterials[i].combinedMaterial;
combiner.fixOutOfBoundsUVs = resultMaterials[i].considerMeshUVs;
}
else
{
resMatToPass = _resultMaterial;
}
MB3_TextureCombiner.CombineTexturesIntoAtlasesCoroutineResult coroutineResult2 = new MB3_TextureCombiner.CombineTexturesIntoAtlasesCoroutineResult();
yield return(combiner.CombineTexturesIntoAtlasesCoroutine(progressInfo, OnCombinedTexturesCoroutineAtlasesAndRects[i], resMatToPass, objsToMesh, sourceMats, editorMethods, coroutineResult2, maxTimePerFrame,
onlyPackRects: false, splitAtlasWhenPackingIfTooBig: false));
coroutineResult.success = coroutineResult2.success;
if (!coroutineResult.success)
{
coroutineResult.isFinished = true;
yield break;
}
}
unpackMat2RectMap(OnCombinedTexturesCoroutineAtlasesAndRects);
if (coroutineResult.success && editorMethods != null)
{
editorMethods.GetMaterialPrimaryKeysIfAddressables(textureBakeResults);
}
//Save the results
textureBakeResults.resultType = MB2_TextureBakeResults.ResultType.atlas;
textureBakeResults.resultMaterialsTexArray = new MB_MultiMaterialTexArray[0];
textureBakeResults.doMultiMaterial = _doMultiMaterial;
if (_doMultiMaterial)
{
textureBakeResults.resultMaterials = resultMaterials;
}
else
{
MB_MultiMaterial[] resMats = new MB_MultiMaterial[1];
resMats[0] = new MB_MultiMaterial();
resMats[0].combinedMaterial = _resultMaterial;
resMats[0].considerMeshUVs = _fixOutOfBoundsUVs;
resMats[0].sourceMaterials = new List <Material>();
for (int i = 0; i < textureBakeResults.materialsAndUVRects.Length; i++)
{
resMats[0].sourceMaterials.Add(textureBakeResults.materialsAndUVRects[i].material);
}
textureBakeResults.resultMaterials = resMats;
}
if (LOG_LEVEL >= MB2_LogLevel.info)
{
Debug.Log("Created Atlases");
}
}
