Andron666
133 lines
6.3 KiB
C++
133 lines
6.3 KiB
C++
/*
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* Copyright (c) <2017> Side Effects Software Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#pragma once
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#include "HoudiniGeoPartObject.h"
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#include "HoudiniCookHandler.h"
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#include "ImageUtils.h"
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class UTexture2D;
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class UMaterialExpression;
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class UMaterialInstanceConstant;
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struct UGenericAttribute;
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struct HOUDINIENGINERUNTIME_API FHoudiniEngineMaterialUtils
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{
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public:
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/** HAPI : Create Unreal materials and necessary textures. Reuse existing materials, if they are not updated. **/
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static void HapiCreateMaterials(
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HAPI_NodeId AssetId,
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FHoudiniCookParams& HoudiniCookParams, const HAPI_AssetInfo & AssetInfo,
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const TSet< HAPI_NodeId > & UniqueMaterialIds, const TSet< HAPI_NodeId > & UniqueInstancerMaterialIds,
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TMap< FString, UMaterialInterface * > & Materials, const bool& bForceRecookAll );
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/** HAPI : Retrieve a list of image planes. **/
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static bool HapiGetImagePlanes(
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HAPI_ParmId NodeParmId, const HAPI_MaterialInfo & MaterialInfo,
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TArray< FString > & ImagePlanes );
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/** HAPI : Extract image data. **/
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static bool HapiExtractImage(
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HAPI_ParmId NodeParmId, const HAPI_MaterialInfo & MaterialInfo,
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TArray< char > & ImageBuffer, const char * PlaneType, HAPI_ImageDataFormat ImageDataFormat,
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HAPI_ImagePacking ImagePacking, bool bRenderToImage );
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/** HAPI : Get unique material SHOP name. **/
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static bool GetUniqueMaterialShopName( HAPI_NodeId AssetId, HAPI_NodeId MaterialId, FString & Name );
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/** Helper function to locate first Material expression of given class within given expression subgraph. **/
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static UMaterialExpression * MaterialLocateExpression( UMaterialExpression * Expression, UClass * ExpressionClass );
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/** Creates Material Instance from attributes **/
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static bool CreateMaterialInstances(
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const FHoudiniGeoPartObject& HoudiniGeoPartObject, FHoudiniCookParams& CookParams,
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UMaterialInstance *& CreatedMaterialInstance, UMaterialInterface*& OriginalMaterialInterface,
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std::string AttributeName, int32 MaterialIndex = 0 );
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/** Updates the material instance parameter corresponding to the generic parameter found in the asset **/
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static bool UpdateMaterialInstanceParameter( UGenericAttribute MaterialParam, UMaterialInstanceConstant* MaterialInstance, FHoudiniCookParams& CookParams );
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/** Try to find a texture generated by HoudiniEngine that matches the texture string **/
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static UTexture* FindGeneratedTexture( const FString& TextureString, FHoudiniCookParams& CookParams );
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#if WITH_EDITOR
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/** Create a texture from given information. **/
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static UTexture2D * CreateUnrealTexture(
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UTexture2D * ExistingTexture, const HAPI_ImageInfo & ImageInfo,
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UPackage * Package, const FString & TextureName,
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const TArray< char > & ImageBuffer, const FString & TextureType,
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const FCreateTexture2DParameters & TextureParameters, TextureGroup LODGroup, const FString& NodePath );
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/** Create various material components. **/
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static bool CreateMaterialComponentDiffuse(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentNormal(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentSpecular(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentRoughness(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentMetallic(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentEmissive(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentOpacity(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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static bool CreateMaterialComponentOpacityMask(
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FHoudiniCookParams& HoudiniCookParams, const HAPI_NodeId& AssetId,
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UMaterial * Material, const HAPI_MaterialInfo & MaterialInfo,
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const HAPI_NodeInfo & NodeInfo, int32 & MaterialNodeY );
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#endif
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/** Material node construction offsets. **/
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static const int32 MaterialExpressionNodeX;
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static const int32 MaterialExpressionNodeY;
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static const int32 MaterialExpressionNodeStepX;
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static const int32 MaterialExpressionNodeStepY;
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}; |