574 lines
21 KiB
C#
574 lines
21 KiB
C#
//----------------------------------------------
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// MeshBaker
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// Copyright © 2011-2012 Ian Deane
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//----------------------------------------------
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using UnityEngine;
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using System.Collections;
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using System.Collections.Specialized;
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.IO;
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using DigitalOpus.MB.Core;
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/// <summary>
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/// Component that handles baking materials into a combined material.
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///
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/// The result of the material baking process is a MB2_TextureBakeResults object, which
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/// becomes the input for the mesh baking.
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///
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/// This class uses the MB_TextureCombiner to do the combining.
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///
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/// This class is a Component (MonoBehavior) so it is serialized and found using GetComponent. If
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/// you want to access the texture baking functionality without creating a Component then use MB_TextureCombiner
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/// directly.
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/// </summary>
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public class MB3_TextureBaker : MB3_MeshBakerRoot
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{
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public MB2_LogLevel LOG_LEVEL = MB2_LogLevel.info;
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[SerializeField]
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protected MB2_TextureBakeResults _textureBakeResults;
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public override MB2_TextureBakeResults textureBakeResults
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{
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get { return _textureBakeResults; }
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set { _textureBakeResults = value; }
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}
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[SerializeField]
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protected int _atlasPadding = 1;
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public virtual int atlasPadding
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{
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get { return _atlasPadding; }
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set { _atlasPadding = value; }
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}
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[SerializeField]
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protected int _maxAtlasSize = 4096;
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public virtual int maxAtlasSize
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{
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get { return _maxAtlasSize; }
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set { _maxAtlasSize = value; }
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}
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[SerializeField]
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protected bool _useMaxAtlasWidthOverride = false;
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public virtual bool useMaxAtlasWidthOverride
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{
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get { return _useMaxAtlasWidthOverride; }
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set { _useMaxAtlasWidthOverride = value; }
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}
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[SerializeField]
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protected int _maxAtlasWidthOverride = 4096;
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public virtual int maxAtlasWidthOverride
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{
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get { return _maxAtlasWidthOverride; }
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set { _maxAtlasWidthOverride = value; }
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}
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[SerializeField]
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protected bool _useMaxAtlasHeightOverride = false;
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public virtual bool useMaxAtlasHeightOverride
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{
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get { return _useMaxAtlasHeightOverride; }
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set { _useMaxAtlasHeightOverride = value; }
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}
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[SerializeField]
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protected int _maxAtlasHeightOverride = 4096;
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public virtual int maxAtlasHeightOverride
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{
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get { return _maxAtlasHeightOverride; }
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set { _maxAtlasHeightOverride = value; }
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}
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[SerializeField]
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protected bool _resizePowerOfTwoTextures = false;
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public virtual bool resizePowerOfTwoTextures
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{
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get { return _resizePowerOfTwoTextures; }
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set { _resizePowerOfTwoTextures = value; }
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}
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[SerializeField]
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protected bool _fixOutOfBoundsUVs = false; //is considerMeshUVs but can't change because it would break all existing bakers
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public virtual bool fixOutOfBoundsUVs
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{
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get { return _fixOutOfBoundsUVs; }
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set { _fixOutOfBoundsUVs = value; }
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}
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[SerializeField]
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protected int _maxTilingBakeSize = 1024;
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public virtual int maxTilingBakeSize
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{
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get { return _maxTilingBakeSize; }
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set { _maxTilingBakeSize = value; }
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}
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[SerializeField]
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protected MB2_PackingAlgorithmEnum _packingAlgorithm = MB2_PackingAlgorithmEnum.MeshBakerTexturePacker;
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public virtual MB2_PackingAlgorithmEnum packingAlgorithm
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{
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get { return _packingAlgorithm; }
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set { _packingAlgorithm = value; }
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}
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[SerializeField]
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protected bool _meshBakerTexturePackerForcePowerOfTwo = true;
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public bool meshBakerTexturePackerForcePowerOfTwo
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{
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get { return _meshBakerTexturePackerForcePowerOfTwo; }
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set { _meshBakerTexturePackerForcePowerOfTwo = value; }
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}
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[SerializeField]
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protected List<ShaderTextureProperty> _customShaderProperties = new List<ShaderTextureProperty>();
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public virtual List<ShaderTextureProperty> customShaderProperties
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{
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get { return _customShaderProperties; }
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set { _customShaderProperties = value; }
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}
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//this is depricated
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[SerializeField]
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protected List<string> _customShaderPropNames_Depricated = new List<string>();
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public virtual List<string> customShaderPropNames
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{
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get { return _customShaderPropNames_Depricated; }
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set { _customShaderPropNames_Depricated = value; }
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}
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[SerializeField]
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protected bool _doMultiMaterial;
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public virtual bool doMultiMaterial
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{
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get { return _doMultiMaterial; }
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set { _doMultiMaterial = value; }
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}
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[SerializeField]
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protected bool _doMultiMaterialSplitAtlasesIfTooBig = true;
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public virtual bool doMultiMaterialSplitAtlasesIfTooBig
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{
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get { return _doMultiMaterialSplitAtlasesIfTooBig; }
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set { _doMultiMaterialSplitAtlasesIfTooBig = value; }
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}
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[SerializeField]
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protected bool _doMultiMaterialSplitAtlasesIfOBUVs = true;
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public virtual bool doMultiMaterialSplitAtlasesIfOBUVs
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{
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get { return _doMultiMaterialSplitAtlasesIfOBUVs; }
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set { _doMultiMaterialSplitAtlasesIfOBUVs = value; }
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}
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[SerializeField]
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protected Material _resultMaterial;
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public virtual Material resultMaterial
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{
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get { return _resultMaterial; }
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set { _resultMaterial = value; }
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}
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[SerializeField]
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protected bool _considerNonTextureProperties = false;
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public bool considerNonTextureProperties
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{
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get { return _considerNonTextureProperties; }
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set { _considerNonTextureProperties = value; }
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}
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[SerializeField]
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protected bool _doSuggestTreatment = true;
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public bool doSuggestTreatment
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{
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get { return _doSuggestTreatment; }
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set { _doSuggestTreatment = value; }
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}
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private CreateAtlasesCoroutineResult _coroutineResult;
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public CreateAtlasesCoroutineResult CoroutineResult
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{
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get
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{
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return _coroutineResult;
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}
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}
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public MB_MultiMaterial[] resultMaterials = new MB_MultiMaterial[0];
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public List<GameObject> objsToMesh; //todo make this Renderer
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public override List<GameObject> GetObjectsToCombine()
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{
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if (objsToMesh == null) objsToMesh = new List<GameObject>();
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return objsToMesh;
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}
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public MB_AtlasesAndRects[] CreateAtlases()
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{
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return CreateAtlases(null, false, null);
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}
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public delegate void OnCombinedTexturesCoroutineSuccess();
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public delegate void OnCombinedTexturesCoroutineFail();
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public OnCombinedTexturesCoroutineSuccess onBuiltAtlasesSuccess;
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public OnCombinedTexturesCoroutineFail onBuiltAtlasesFail;
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public MB_AtlasesAndRects[] OnCombinedTexturesCoroutineAtlasesAndRects;
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/*
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bool _CreateAtlasesCoroutineSuccess = false;
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public bool CreateAtlasesCoroutineSuccess
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{
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get { return _CreateAtlasesCoroutineSuccess; }
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}
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bool _CreateAtlasesCoroutineIsFinished = false;
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public bool CreateAtlasesCoroutineIsFinished
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{
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get { return _CreateAtlasesCoroutineIsFinished; }
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}
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*/
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public class CreateAtlasesCoroutineResult
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{
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public bool success = true;
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public bool isFinished = false;
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}
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public IEnumerator CreateAtlasesCoroutine(ProgressUpdateDelegate progressInfo, CreateAtlasesCoroutineResult coroutineResult, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null, float maxTimePerFrame = .01f)
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{
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MBVersionConcrete mbv = new MBVersionConcrete ();
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if (!MB3_TextureCombiner._RunCorutineWithoutPauseIsRunning &&( mbv.GetMajorVersion() < 5 ||(mbv.GetMajorVersion() == 5 && mbv.GetMinorVersion() < 3))){
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Debug.LogError("Running the texture combiner as a coroutine only works in Unity 5.3 and higher");
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coroutineResult.success = false;
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yield break;
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}
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this.OnCombinedTexturesCoroutineAtlasesAndRects = null;
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if (maxTimePerFrame <= 0f)
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{
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Debug.LogError("maxTimePerFrame must be a value greater than zero");
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coroutineResult.isFinished = true;
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yield break;
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}
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MB2_ValidationLevel vl = Application.isPlaying ? MB2_ValidationLevel.quick : MB2_ValidationLevel.robust;
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if (!DoCombinedValidate(this, MB_ObjsToCombineTypes.dontCare, null, vl))
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{
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coroutineResult.isFinished = true;
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yield break;
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}
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if (_doMultiMaterial && !_ValidateResultMaterials())
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{
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coroutineResult.isFinished = true;
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yield break;
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}
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else if (!_doMultiMaterial)
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{
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if (_resultMaterial == null)
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{
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Debug.LogError("Combined Material is null please create and assign a result material.");
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coroutineResult.isFinished = true;
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yield break;
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}
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Shader targShader = _resultMaterial.shader;
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for (int i = 0; i < objsToMesh.Count; i++)
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{
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Material[] ms = MB_Utility.GetGOMaterials(objsToMesh[i]);
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for (int j = 0; j < ms.Length; j++)
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{
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Material m = ms[j];
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if (m != null && m.shader != targShader)
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{
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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.");
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}
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}
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}
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}
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MB3_TextureCombiner combiner = CreateAndConfigureTextureCombiner();
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combiner.saveAtlasesAsAssets = saveAtlasesAsAssets;
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//initialize structure to store results
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int numResults = 1;
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if (_doMultiMaterial) numResults = resultMaterials.Length;
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OnCombinedTexturesCoroutineAtlasesAndRects = new MB_AtlasesAndRects[numResults];
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for (int i = 0; i < OnCombinedTexturesCoroutineAtlasesAndRects.Length; i++)
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{
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OnCombinedTexturesCoroutineAtlasesAndRects[i] = new MB_AtlasesAndRects();
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}
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//Do the material combining.
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for (int i = 0; i < OnCombinedTexturesCoroutineAtlasesAndRects.Length; i++)
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{
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Material resMatToPass = null;
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List<Material> sourceMats = null;
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if (_doMultiMaterial)
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{
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sourceMats = resultMaterials[i].sourceMaterials;
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resMatToPass = resultMaterials[i].combinedMaterial;
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combiner.fixOutOfBoundsUVs = resultMaterials[i].considerMeshUVs;
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}
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else
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{
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resMatToPass = _resultMaterial;
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}
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MB3_TextureCombiner.CombineTexturesIntoAtlasesCoroutineResult coroutineResult2 = new MB3_TextureCombiner.CombineTexturesIntoAtlasesCoroutineResult();
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yield return combiner.CombineTexturesIntoAtlasesCoroutine(progressInfo, OnCombinedTexturesCoroutineAtlasesAndRects[i], resMatToPass, objsToMesh, sourceMats, editorMethods, coroutineResult2, maxTimePerFrame);
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coroutineResult.success = coroutineResult2.success;
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if (!coroutineResult.success)
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{
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coroutineResult.isFinished = true;
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yield break;
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}
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}
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unpackMat2RectMap(textureBakeResults);
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//Save the results
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textureBakeResults.doMultiMaterial = _doMultiMaterial;
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//textureBakeResults.resultMaterial = _resultMaterial;
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if (_doMultiMaterial)
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{
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textureBakeResults.resultMaterials = resultMaterials;
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} else
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{
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MB_MultiMaterial[] resMats = new MB_MultiMaterial[1];
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resMats[0] = new MB_MultiMaterial();
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resMats[0].combinedMaterial = _resultMaterial;
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resMats[0].considerMeshUVs = _fixOutOfBoundsUVs;
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resMats[0].sourceMaterials = new List<Material>();
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for (int i = 0; i < textureBakeResults.materialsAndUVRects.Length; i++)
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{
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resMats[0].sourceMaterials.Add(textureBakeResults.materialsAndUVRects[i].material);
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}
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textureBakeResults.resultMaterials = resMats;
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}
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//textureBakeResults.fixOutOfBoundsUVs = combiner.fixOutOfBoundsUVs;
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//set the texture bake resultAtlasesAndRects on the Mesh Baker component if it exists
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MB3_MeshBakerCommon[] mb = GetComponentsInChildren<MB3_MeshBakerCommon>();
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for (int i = 0; i < mb.Length; i++)
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{
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mb[i].textureBakeResults = textureBakeResults;
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}
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if (LOG_LEVEL >= MB2_LogLevel.info) Debug.Log("Created Atlases");
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coroutineResult.isFinished = true;
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if (coroutineResult.success && onBuiltAtlasesSuccess != null)
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{
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onBuiltAtlasesSuccess();
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}
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if (!coroutineResult.success && onBuiltAtlasesFail != null)
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{
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onBuiltAtlasesFail();
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}
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}
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/// <summary>
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/// Creates the atlases.
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/// </summary>
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/// <returns>
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/// The atlases.
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/// </returns>
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/// <param name='progressInfo'>
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/// Progress info is a delegate function that displays a progress dialog. Can be null
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/// </param>
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/// <param name='saveAtlasesAsAssets'>
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/// if true atlases are saved as assets in the project folder. Othersise they are instances in memory
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/// </param>
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/// <param name='editorMethods'>
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/// Texture format tracker. Contains editor functionality such as save assets. Can be null.
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/// </param>
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public MB_AtlasesAndRects[] CreateAtlases(ProgressUpdateDelegate progressInfo, bool saveAtlasesAsAssets = false, MB2_EditorMethodsInterface editorMethods = null)
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{
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MB_AtlasesAndRects[] mAndAs = null;
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try
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{
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//mAndAs = _CreateAtlases(progressInfo, saveAtlasesAsAssets, editorMethods);
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_coroutineResult = new CreateAtlasesCoroutineResult();
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MB3_TextureCombiner.RunCorutineWithoutPause(CreateAtlasesCoroutine(progressInfo, _coroutineResult, saveAtlasesAsAssets, editorMethods, 1000f), 0);
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if (_coroutineResult.success && textureBakeResults != null) {
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mAndAs = this.OnCombinedTexturesCoroutineAtlasesAndRects;
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}
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}
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catch (Exception e)
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{
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Debug.LogError(e);
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}
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finally
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{
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if (saveAtlasesAsAssets)
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{ //Atlases were saved to project so we don't need these ones
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if (mAndAs != null)
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{
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for (int j = 0; j < mAndAs.Length; j++)
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{
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MB_AtlasesAndRects mAndA = mAndAs[j];
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if (mAndA != null && mAndA.atlases != null)
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{
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for (int i = 0; i < mAndA.atlases.Length; i++)
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{
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if (mAndA.atlases[i] != null)
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{
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if (editorMethods != null) editorMethods.Destroy(mAndA.atlases[i]);
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else MB_Utility.Destroy(mAndA.atlases[i]);
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}
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}
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}
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}
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}
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}
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}
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return mAndAs;
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}
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void unpackMat2RectMap(MB2_TextureBakeResults tbr)
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{
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List<Material> ms = new List<Material>();
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List<MB_MaterialAndUVRect> mss = new List<MB_MaterialAndUVRect>();
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List<Rect> rs = new List<Rect>();
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for (int i = 0; i < OnCombinedTexturesCoroutineAtlasesAndRects.Length; i++)
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{
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MB_AtlasesAndRects newMesh = this.OnCombinedTexturesCoroutineAtlasesAndRects[i];
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List<MB_MaterialAndUVRect> map = newMesh.mat2rect_map;
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if (map != null)
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{
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for (int j = 0; j < map.Count; j++)
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{
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mss.Add(map[j]);
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ms.Add(map[j].material);
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rs.Add(map[j].atlasRect);
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}
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}
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}
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tbr.version = MB2_TextureBakeResults.VERSION;
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tbr.materialsAndUVRects = mss.ToArray();
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}
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public MB3_TextureCombiner CreateAndConfigureTextureCombiner()
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{
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MB3_TextureCombiner combiner = new MB3_TextureCombiner();
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combiner.LOG_LEVEL = LOG_LEVEL;
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combiner.atlasPadding = _atlasPadding;
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combiner.maxAtlasSize = _maxAtlasSize;
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combiner.maxAtlasHeightOverride = _maxAtlasHeightOverride;
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combiner.maxAtlasWidthOverride = _maxAtlasWidthOverride;
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combiner.useMaxAtlasHeightOverride = _useMaxAtlasHeightOverride;
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combiner.useMaxAtlasWidthOverride = _useMaxAtlasWidthOverride;
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combiner.customShaderPropNames = _customShaderProperties;
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combiner.fixOutOfBoundsUVs = _fixOutOfBoundsUVs;
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combiner.maxTilingBakeSize = _maxTilingBakeSize;
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combiner.packingAlgorithm = _packingAlgorithm;
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combiner.meshBakerTexturePackerForcePowerOfTwo = _meshBakerTexturePackerForcePowerOfTwo;
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combiner.resizePowerOfTwoTextures = _resizePowerOfTwoTextures;
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combiner.considerNonTextureProperties = _considerNonTextureProperties;
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return combiner;
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}
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public static void ConfigureNewMaterialToMatchOld(Material newMat, Material original)
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{
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if (original == null)
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{
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Debug.LogWarning("Original material is null, could not copy properties to " + newMat + ". Setting shader to " + newMat.shader);
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return;
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}
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newMat.shader = original.shader;
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newMat.CopyPropertiesFromMaterial(original);
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ShaderTextureProperty[] texPropertyNames = MB3_TextureCombinerPipeline.shaderTexPropertyNames;
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for (int j = 0; j < texPropertyNames.Length; j++)
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{
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Vector2 scale = Vector2.one;
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Vector2 offset = Vector2.zero;
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if (newMat.HasProperty(texPropertyNames[j].name))
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{
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newMat.SetTextureOffset(texPropertyNames[j].name, offset);
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newMat.SetTextureScale(texPropertyNames[j].name, scale);
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}
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}
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}
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string PrintSet(HashSet<Material> s)
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{
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StringBuilder sb = new StringBuilder();
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foreach (Material m in s)
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{
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sb.Append(m + ",");
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}
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return sb.ToString();
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}
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bool _ValidateResultMaterials()
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{
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HashSet<Material> allMatsOnObjs = new HashSet<Material>();
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for (int i = 0; i < objsToMesh.Count; i++)
|
|
{
|
|
if (objsToMesh[i] != null)
|
|
{
|
|
Material[] ms = MB_Utility.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++)
|
|
{
|
|
for (int j = i+1; j < resultMaterials.Length; j++)
|
|
{
|
|
if (resultMaterials[i].combinedMaterial == resultMaterials[j].combinedMaterial)
|
|
{
|
|
Debug.LogError(String.Format("Source To Combined Mapping: Submesh {0} and Submesh {1} use the same combined material. These should be different", i, j));
|
|
return false;
|
|
}
|
|
}
|
|
|
|
MB_MultiMaterial 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 (resultMaterials != null && resultMaterials.Length > 0 && 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;
|
|
}
|
|
}
|
|
|