103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
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// Copyright 2020 Phyronnaz
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#include "VoxelTools/Tools/VoxelLevelTool.h"
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#include "VoxelTools/Impl/VoxelLevelToolsImpl.inl"
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#include "VoxelWorld.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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UVoxelLevelTool::UVoxelLevelTool()
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{
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ToolName = TEXT("Level");
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static ConstructorHelpers::FObjectFinder<UMaterialInterface> ToolMaterialFinder(TEXT("/Voxel/ToolMaterials/ToolMeshMaterial_Level"));
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static ConstructorHelpers::FObjectFinder<UStaticMesh> CylinderMeshFinder(TEXT("/Engine/BasicShapes/Cylinder"));
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ToolMaterial = ToolMaterialFinder.Object;
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CylinderMesh = CylinderMeshFinder.Object;
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}
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void UVoxelLevelTool::GetToolConfig(FVoxelToolBaseConfig& OutConfig) const
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{
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OutConfig.MeshMaterial = ToolMaterial;
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OutConfig.Stride = Stride;
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OutConfig.bHasAlignment = true;
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OutConfig.Alignment = EVoxelToolAlignment::Ground;
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OutConfig.DistanceToCamera = 1e5;
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}
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void UVoxelLevelTool::Tick()
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{
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Super::Tick();
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Falloff = GetValueAfterAxisInput(FVoxelToolAxes::Falloff, Falloff);
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Height = GetValueAfterAxisInput(FVoxelToolAxes::Strength, Height, 0, 10000);
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}
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void UVoxelLevelTool::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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const bool bAlternativeMode = GetTickData().IsAlternativeMode();
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const float ScaleXY = SharedConfig->BrushSize / 100.f;
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const float ScaleZ = Height / 100.f + 0.001f;
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const FTransform PreviewTransform(
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FQuat::Identity,
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GetToolPreviewPosition() + GetToolOffset() + FVector(0, 0, (bAlternativeMode ? Height : -Height) / 2),
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FVector(ScaleXY, ScaleXY, ScaleZ));
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MeshMaterialInstance->SetScalarParameterValue(STATIC_FNAME("Opacity"), SharedConfig->ToolOpacity);
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UpdateToolMesh(
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CylinderMesh,
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MeshMaterialInstance,
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PreviewTransform);
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}
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FVoxelIntBoxWithValidity UVoxelLevelTool::DoEdit()
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{
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VOXEL_FUNCTION_COUNTER();
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auto& World = *GetVoxelWorld();
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const bool bAlternativeMode = GetTickData().IsAlternativeMode();
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const FVoxelVector VoxelPosition = World.GlobalToLocalFloat(GetToolPosition() + GetToolOffset());
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const float VoxelRadius = SharedConfig->BrushSize / 2 / World.VoxelSize;
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const float VoxelHeight = Height / World.VoxelSize;
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const FVoxelIntBox Bounds = FVoxelLevelToolsImpl::GetBounds(VoxelPosition, VoxelRadius, VoxelHeight, !bAlternativeMode);
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if (!Bounds.IsValid())
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{
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return {};
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}
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const auto BoundsToCache = GetBoundsToCache(Bounds);
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auto& Data = World.GetData();
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auto DataImpl = GetDataImpl(Data);
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FVoxelWriteScopeLock Lock(Data, BoundsToCache, FUNCTION_FNAME);
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CacheData<FVoxelValue>(Data, BoundsToCache);
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FVoxelLevelToolsImpl::Level(
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DataImpl,
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VoxelPosition,
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VoxelRadius,
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Falloff,
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VoxelHeight,
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!bAlternativeMode);
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return Bounds;
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}
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FVector UVoxelLevelTool::GetToolOffset() const
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{
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return FVector(0.f, 0.f, Offset * Height * (GetTickData().IsAlternativeMode() ? -1 : 1));
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}
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