114 lines
No EOL
3.5 KiB
C++
114 lines
No EOL
3.5 KiB
C++
// Copyright 2020 Phyronnaz
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#include "VoxelTools/Tools/VoxelMeshTool.h"
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#include "VoxelTools/VoxelDataTools.inl"
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#include "VoxelTools/VoxelAssetTools.inl"
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#include "VoxelData/VoxelData.h"
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#include "VoxelUtilities/VoxelSDFUtilities.h"
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#include "VoxelUtilities/VoxelExampleUtilities.h"
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#include "VoxelWorld.h"
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#include "Engine/Engine.h"
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#include "Engine/StaticMesh.h"
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#include "UObject/ConstructorHelpers.h"
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#include "Materials/MaterialInstanceDynamic.h"
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UVoxelMeshTool::UVoxelMeshTool()
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{
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ToolName = TEXT("Mesh");
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bShowPaintMaterial = false;
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static ConstructorHelpers::FObjectFinder<UMaterialInterface> ToolMaterialFinder(TEXT("/Voxel/ToolMaterials/ToolMeshMaterial_Mesh"));
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ToolMaterial = ToolMaterialFinder.Object;
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ColorsMaterial = FVoxelExampleUtilities::LoadExampleObject<UMaterialInterface>(TEXT("/Voxel/Examples/Importers/Chair/VoxelExample_M_Chair_Emissive_Color"));
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UVsMaterial = FVoxelExampleUtilities::LoadExampleObject<UMaterialInterface>(TEXT("/Voxel/Examples/Importers/Chair/VoxelExample_M_Chair_Emissive_UVs"));
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Mesh = FVoxelExampleUtilities::LoadExampleObject<UStaticMesh>(TEXT("/Voxel/Examples/Importers/Chair/VoxelExample_SM_Chair"));
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}
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void UVoxelMeshTool::GetToolConfig(FVoxelToolBaseConfig& OutConfig) const
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{
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Super::GetToolConfig(OutConfig);
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OutConfig.MeshMaterial = ToolMaterial;
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OutConfig.Stride = Stride;
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}
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void UVoxelMeshTool::UpdateRender(UMaterialInstanceDynamic* OverlayMaterialInstance, UMaterialInstanceDynamic* MeshMaterialInstance)
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{
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VOXEL_FUNCTION_COUNTER();
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if (!MeshMaterialInstance)
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{
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return;
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}
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auto* MeshData = GetMeshData();
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if (!MeshData)
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{
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return;
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}
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FVector MeshScale;
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FTransform TransformNoTranslation;
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FTransform TransformWithTranslation;
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GetTransform(*MeshData, MeshScale, TransformNoTranslation, TransformWithTranslation);
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MeshMaterialInstance->SetScalarParameterValue(STATIC_FNAME("Opacity"), SharedConfig->ToolOpacity);
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UpdateToolMesh(
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Mesh,
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MeshMaterialInstance,
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TransformWithTranslation);
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}
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FVoxelIntBoxWithValidity UVoxelMeshTool::DoEdit()
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{
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FVoxelMessages::Info("Using the mesh tool requires the Pro version of Voxel Plugin");
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return {};
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}
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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const UVoxelMeshTool::FMeshData* UVoxelMeshTool::GetMeshData()
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{
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return nullptr;
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}
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void UVoxelMeshTool::GetTransform(
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const FMeshData& MeshData,
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FVector& OutMeshScale,
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FTransform& OutTransformNoTranslation,
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FTransform& OutTransformWithTranslation) const
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{
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VOXEL_FUNCTION_COUNTER();
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OutMeshScale =
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bAbsoluteScale
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? Scale
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: SharedConfig->BrushSize * Scale / MeshData.Bounds.GetSize().GetMax();
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const auto GetRotationMatrix = [&]()
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{
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const FVector X = bAlignToMovement ? GetToolDirection() : FVector::ForwardVector;
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const FVector Z = bAlignToNormal ? GetToolNormal() : FVector::UpVector;
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const FVector Y = (Z ^ X).GetSafeNormal();
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return FMatrix(Y ^ Z, Y, Z, FVector(0));
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};
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// Matrix and Transform multiplications are left to right!
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const FMatrix ScaleMatrix = FScaleMatrix(OutMeshScale);
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const FVector ScaledPositionOffset = PositionOffset * ScaleMatrix.TransformVector(MeshData.Bounds.GetSize());
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OutTransformNoTranslation = FTransform(
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ScaleMatrix *
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FTranslationMatrix(ScaledPositionOffset) *
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FRotationMatrix(RotationOffset) *
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GetRotationMatrix());
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OutTransformWithTranslation = OutTransformNoTranslation * FTransform(GetToolPreviewPosition());
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} |