commit 96e9af4438191e255cc4fd7af8cc14a6c5aa8fa9 Author: _Redstone_c_ <2824517378@qq.com> Date: Thu Dec 3 13:52:29 2020 +0800 实现基本 Cube 体素渲染 diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..93e6106 --- /dev/null +++ b/.gitignore @@ -0,0 +1,15 @@ +Binaries +DerivedDataCache +Intermediate +Saved +Build +.vscode +.vs +*.VC.db +*.opensdf +*.opendb +*.sdf +*.sln +*.suo +*.xcodeproj +*.xcworkspace diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..c8faa2a --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2020 zhaizhenbo + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..b3d26c4 --- /dev/null +++ b/README.md @@ -0,0 +1,4 @@ +## UE4 Plugin: Voxel +[Voxel](http://gitblit.myredstone.top/summary/UE4-Plugins!Voxel.git) 是开发中的一个体素插件。 + +目前支持的 UE4 版本：4.25.4 diff --git a/Resources/Icon128.png b/Resources/Icon128.png new file mode 100644 index 0000000..1231d4a Binary files /dev/null and b/Resources/Icon128.png differ diff --git a/Source/Voxel/Private/Blueprint/VoxelBlueprintLibrary.cpp b/Source/Voxel/Private/Blueprint/VoxelBlueprintLibrary.cpp new file mode 100644 index 0000000..8466a35 --- /dev/null +++ b/Source/Voxel/Private/Blueprint/VoxelBlueprintLibrary.cpp @@ -0,0 +1,11 @@ +#include "Blueprint/VoxelBlueprintLibrary.h" + +#include "VoxelSubsystem.h" +#include "Kismet/GameplayStatics.h" + +void UVoxelBlueprintLibrary::AddBlockType(const UObject* WorldContextObject, const FName& Name, const FVoxelBlockType& BlockType) +{ + UGameInstance* GameInstance = UGameplayStatics::GetGameInstance(WorldContextObject); + UVoxelSubsystem* LockstepSubsystem = GameInstance->GetSubsystem(); + LockstepSubsystem->BlockTypes.Add(Name, BlockType); +} diff --git a/Source/Voxel/Private/Voxel.cpp b/Source/Voxel/Private/Voxel.cpp new file mode 100644 index 0000000..8f99c68 --- /dev/null +++ b/Source/Voxel/Private/Voxel.cpp @@ -0,0 +1,20 @@ +// Copyright Epic Games, Inc. All Rights Reserved. + +#include "Voxel.h" + +#define LOCTEXT_NAMESPACE "FVoxelModule" + +void FVoxelModule::StartupModule() +{ + // This code will execute after your module is loaded into memory; the exact timing is specified in the .uplugin file per-module +} + +void FVoxelModule::ShutdownModule() +{ + // This function may be called during shutdown to clean up your module. For modules that support dynamic reloading, + // we call this function before unloading the module. +} + +#undef LOCTEXT_NAMESPACE + +IMPLEMENT_MODULE(FVoxelModule, Voxel) \ No newline at end of file diff --git a/Source/Voxel/Private/VoxelAgentInterface.cpp b/Source/Voxel/Private/VoxelAgentInterface.cpp new file mode 100644 index 0000000..f0e2b4d --- /dev/null +++ b/Source/Voxel/Private/VoxelAgentInterface.cpp @@ -0,0 +1,11 @@ +#include "VoxelAgentInterface.h" + +FIntVector IVoxelAgentInterface::GetAgentLocation_Implementation() const +{ + return FIntVector(0); +} + +FVector IVoxelAgentInterface::GetAgentPartialLocation_Implementation() const +{ + return FVector(0.0f); +} diff --git a/Source/Voxel/Private/VoxelBlock.cpp b/Source/Voxel/Private/VoxelBlock.cpp new file mode 100644 index 0000000..5392735 --- /dev/null +++ b/Source/Voxel/Private/VoxelBlock.cpp @@ -0,0 +1,7 @@ +#include "VoxelBlock.h" + +#include "VoxelWorld.h" + +const FVoxelBlock FVoxelBlock::InvalidBlock = FVoxelBlock(NAME_None); + +const FVoxelBlockType FVoxelBlockType::InvalidBlockType = FVoxelBlockType(EVoxelBlockShape::Invalid); diff --git a/Source/Voxel/Private/VoxelChunk.cpp b/Source/Voxel/Private/VoxelChunk.cpp new file mode 100644 index 0000000..476106e --- /dev/null +++ b/Source/Voxel/Private/VoxelChunk.cpp @@ -0,0 +1,323 @@ +#include "VoxelChunk.h" + +#include "VoxelLog.h" +#include "VoxelWorld.h" +#include "VoxelSubsystem.h" +#include "ProceduralMeshComponent.h" +#include "KismetProceduralMeshLibrary.h" + +AVoxelChunk::AVoxelChunk(const class FObjectInitializer& ObjectInitializer) + : Super(ObjectInitializer) +{ + RootComponent = CreateDefaultSubobject(TEXT("RootComponent")); + + MeshComponents.SetNum(16); + for (int32 i = 0; i < 16; ++i) + { + FString ComponentName = FString::Printf(TEXT("MeshComponent_%d"), i); + MeshComponents[i] = CreateDefaultSubobject(FName(ComponentName)); + MeshComponents[i]->AttachToComponent(RootComponent, FAttachmentTransformRules::KeepRelativeTransform); + } + + FlushMeshFlags = -1; +} + +void AVoxelChunk::BeginPlay() +{ + UGameInstance* GameInstance = GetGameInstance(); + VoxelSubsystem = GameInstance->GetSubsystem(); +} + +const FVoxelBlock & AVoxelChunk::GetBlockByRelativeLocation(const FIntVector & Location) const +{ + checkCode( + if (!FMath::IsWithin(Location.X, 0, 16) + || !FMath::IsWithin(Location.Y, 0, 16) + || !FMath::IsWithin(Location.Z, 0, 256)) + { + UE_LOG(LogVoxel, Warning, TEXT("The Block %d, %d, %d Is Invalid In Chunk %d, %d"), Location.X, Location.Y, Location.Z, ChunkLocation.X, ChunkLocation.Y); + return FVoxelBlock::InvalidBlock; + } + ); + + return Blocks[Location.X][Location.Y][Location.Z]; +} + +void AVoxelChunk::SetBlockByRelativeLocation(const FIntVector& Location, const FVoxelBlock& NewBlock) +{ + checkCode( + if (!FMath::IsWithin(Location.X, 0, 16) + || !FMath::IsWithin(Location.Y, 0, 16) + || !FMath::IsWithin(Location.Z, 0, 256)) + { + UE_LOG(LogVoxel, Warning, TEXT("The Block %d, %d, %d Is Invalid In Chunk %d, %d"), Location.X, Location.Y, Location.Z, ChunkLocation.X, ChunkLocation.Y); + return; + } + ); + + Blocks[Location.X][Location.Y][Location.Z] = NewBlock; + + FlushMeshFlags |= 1 << (Location.Z / 16); + + if (Location.Z % 16 == 0 && Location.Z / 16 != 0) + FlushMeshFlags |= 1 << (Location.Z / 16 - 1); + + if (Location.Z % 16 == 15 && Location.Z / 16 != 15) + FlushMeshFlags |= 1 << (Location.Z / 16 + 1); + + const TMap& Chunks = VoxelWorld->GetChunks(); + + if (Location.X == 15) + { + FIntPoint NeighborLocation = FIntPoint(ChunkLocation.X + 1, ChunkLocation.Y); + + if (Chunks.Contains(NeighborLocation)) + { + AVoxelChunk* Neighbor = Chunks[NeighborLocation]; + Neighbor->FlushMeshFlags |= 1 << (Location.Z / 16); + VoxelWorld->AddChunkToMeshFlushBuffer(NeighborLocation); + } + } + + if (Location.X == 0) + { + FIntPoint NeighborLocation = FIntPoint(ChunkLocation.X - 1, ChunkLocation.Y); + + if (Chunks.Contains(NeighborLocation)) + { + AVoxelChunk* Neighbor = Chunks[NeighborLocation]; + Neighbor->FlushMeshFlags |= 1 << (Location.Z / 16); + VoxelWorld->AddChunkToMeshFlushBuffer(NeighborLocation); + } + } + + if (Location.Y == 15) + { + FIntPoint NeighborLocation = FIntPoint(ChunkLocation.X, ChunkLocation.Y + 1); + + if (Chunks.Contains(NeighborLocation)) + { + AVoxelChunk* Neighbor = Chunks[NeighborLocation]; + Neighbor->FlushMeshFlags |= 1 << (Location.Z / 16); + VoxelWorld->AddChunkToMeshFlushBuffer(NeighborLocation); + } + } + + if (Location.Y == 0) + { + FIntPoint NeighborLocation = FIntPoint(ChunkLocation.X, ChunkLocation.Y - 1); + + if (Chunks.Contains(NeighborLocation)) + { + AVoxelChunk* Neighbor = Chunks[NeighborLocation]; + Neighbor->FlushMeshFlags |= 1 << (Location.Z / 16); + VoxelWorld->AddChunkToMeshFlushBuffer(NeighborLocation); + } + } + + VoxelWorld->AddChunkToMeshFlushBuffer(ChunkLocation); +} + +void AVoxelChunk::FlushMeshs() +{ + if (!FlushMeshFlags) return; + + for (int32 i = 0; i < 16; ++i) + { + int32 FlushMeshFlag = 1 << i; + + if (!(FlushMeshFlags & FlushMeshFlag)) + continue; + + FlushMeshSection(i); + } + + FlushMeshFlags = 0; +} + +void AVoxelChunk::FlushMaterials() +{ + for (int32 i = 0; i < 16; ++i) + { + for (int32 j = 0; j < VoxelSubsystem->Materials.Num(); ++j) + { + MeshComponents[i]->SetMaterial(j, VoxelSubsystem->Materials[j]); + } + } +} + +void AVoxelChunk::Load() +{ + QUICK_SCOPE_CYCLE_COUNTER(STAT_VoxelChunk_Load); + + if (VoxelWorld->GetWorldSetting().ArchiveFolder.IsEmpty()) + { + ArchiveFile.Empty(); + return; + } + + ArchiveFile = VoxelWorld->GetWorldSetting().ArchiveFolder / FString::Printf(TEXT("%08X%08X"), ChunkLocation.X, ChunkLocation.Y) + ChunkFileExtension; + + if (FPaths::FileExists(ArchiveFile)) + { + TArray ChunkDataBuffer; + if (FFileHelper::LoadFileToArray(ChunkDataBuffer, *ArchiveFile)) + { + FMemoryReader MemoryReader(ChunkDataBuffer); + + UScriptStruct* VoxelBlockStruct = FVoxelBlock::StaticStruct(); + + for (int32 X = 0; X < 16; ++X) + { + for (int32 Y = 0; Y < 16; ++Y) + { + for (int32 Z = 0; Z < 256; ++Z) + { + VoxelBlockStruct->SerializeItem(MemoryReader, &Blocks[X][Y][Z], nullptr); + } + } + } + + UE_LOG(LogVoxel, Log, TEXT("Load Chunk %d, %d From File '%s'"), ChunkLocation.X, ChunkLocation.Y, *ArchiveFile); + } + } + +} + +void AVoxelChunk::Unload() +{ + QUICK_SCOPE_CYCLE_COUNTER(STAT_VoxelChunk_Unload); + + if (ArchiveFile.IsEmpty()) return; + + TArray ChunkDataBuffer; + FMemoryWriter MemoryWriter(ChunkDataBuffer); + + UScriptStruct* VoxelBlockStruct = FVoxelBlock::StaticStruct(); + + for (int32 X = 0; X < 16; ++X) + { + for (int32 Y = 0; Y < 16; ++Y) + { + for (int32 Z = 0; Z < 256; ++Z) + { + VoxelBlockStruct->SerializeItem(MemoryWriter, &Blocks[X][Y][Z], nullptr); + } + } + } + + if (FFileHelper::SaveArrayToFile(ChunkDataBuffer, *ArchiveFile)) + { + UE_LOG(LogVoxel, Log, TEXT("Save Chunk %d, %d To File '%s'"), ChunkLocation.X, ChunkLocation.Y, *ArchiveFile); + } + else + { + UE_LOG(LogVoxel, Error, TEXT("Failed To Save Chunk %d, %d To File '%s'"), ChunkLocation.X, ChunkLocation.Y, *ArchiveFile); + } +} + +void AVoxelChunk::FlushMeshSection(int32 SectionIndex) +{ + static FVoxelMeshData CubeTopFaceBuffer = FVoxelMeshData::CubeTopFace; + static FVoxelMeshData CubeBottomFaceBuffer = FVoxelMeshData::CubeBottomFace; + static FVoxelMeshData CubeFrontFaceBuffer = FVoxelMeshData::CubeFrontFace; + static FVoxelMeshData CubeBackFaceBuffer = FVoxelMeshData::CubeBackFace; + static FVoxelMeshData CubeLeftFaceBuffer = FVoxelMeshData::CubeLeftFace; + static FVoxelMeshData CubeRightFaceBuffer = FVoxelMeshData::CubeRightFace; + + MeshSectionBuffer.Reset(); + + FIntPoint FrontChunkLocation = FIntPoint(ChunkLocation.X + 1, ChunkLocation.Y); + FIntPoint BackChunkLocation = FIntPoint(ChunkLocation.X - 1, ChunkLocation.Y); + FIntPoint RightChunkLocation = FIntPoint(ChunkLocation.X, ChunkLocation.Y + 1); + FIntPoint LeftChunkLocation = FIntPoint(ChunkLocation.X, ChunkLocation.Y - 1); + + const TMap& Chunks = VoxelWorld->GetChunks(); + AVoxelChunk* FrontChunk = Chunks.Contains(FrontChunkLocation) ? Chunks[FrontChunkLocation] : nullptr; + AVoxelChunk* BackChunk = Chunks.Contains(BackChunkLocation) ? Chunks[BackChunkLocation] : nullptr; + AVoxelChunk* RightChunk = Chunks.Contains(RightChunkLocation) ? Chunks[RightChunkLocation] : nullptr; + AVoxelChunk* LeftChunk = Chunks.Contains(LeftChunkLocation) ? Chunks[LeftChunkLocation] : nullptr; + + for (int32 X = 0; X < 16; ++X) + { + for (int32 Y = 0; Y < 16; ++Y) + { + for (int32 Z = 0 + SectionIndex * 16; Z < 16 + SectionIndex * 16; ++Z) + { + const FVoxelBlockType& CurrentVoxelBlock = VoxelSubsystem->GetBlockType(Blocks[X][Y][Z].Type); + + if (CurrentVoxelBlock.Shape != EVoxelBlockShape::Cube) continue; + + const FVoxelBlockType& TopVoxelBlock = VoxelSubsystem->GetBlockType(Z + 1 < 256 ? Blocks[X][Y][Z + 1].Type : TEXT("Air")); + const FVoxelBlockType& BottomVoxelBlock = VoxelSubsystem->GetBlockType(Z - 1 >= 0 ? Blocks[X][Y][Z - 1].Type : TEXT("Air")); + const FVoxelBlockType& FrontVoxelBlock = VoxelSubsystem->GetBlockType(X + 1 < 16 ? Blocks[X + 1][Y][Z].Type : (FrontChunk ? FrontChunk->GetBlockByRelativeLocation(FIntVector(0, Y, Z)).Type : TEXT("Air"))); + const FVoxelBlockType& BackVoxelBlock = VoxelSubsystem->GetBlockType(X - 1 >= 0 ? Blocks[X - 1][Y][Z].Type : (BackChunk ? BackChunk->GetBlockByRelativeLocation(FIntVector(15, Y, Z)).Type : TEXT("Air"))); + const FVoxelBlockType& LeftVoxelBlock = VoxelSubsystem->GetBlockType(Y - 1 >= 0 ? Blocks[X][Y - 1][Z].Type : (LeftChunk ? LeftChunk->GetBlockByRelativeLocation(FIntVector(X, 15, Z)).Type : TEXT("Air"))); + const FVoxelBlockType& RightVoxelBlock = VoxelSubsystem->GetBlockType(Y + 1 < 16 ? Blocks[X][Y + 1][Z].Type : (RightChunk ? RightChunk->GetBlockByRelativeLocation(FIntVector(X, 0, Z)).Type : TEXT("Air"))); + + if (TopVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeTopFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomTopFaceUV; + + MeshSectionBuffer.Append(CubeTopFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + + if (BottomVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeBottomFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomBottomFaceUV; + + MeshSectionBuffer.Append(CubeBottomFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + + if (FrontVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeFrontFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomFrontFaceUV; + + MeshSectionBuffer.Append(CubeFrontFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + + if (BackVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeBackFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomBackFaceUV; + + MeshSectionBuffer.Append(CubeBackFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + + if (LeftVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeLeftFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomLeftFaceUV; + + MeshSectionBuffer.Append(CubeLeftFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + + if (RightVoxelBlock.Shape != EVoxelBlockShape::Cube) + { + for (FVector2D& UV3 : CubeRightFaceBuffer.UV3) + UV3 = CurrentVoxelBlock.CustomRightFaceUV; + + MeshSectionBuffer.Append(CubeRightFaceBuffer, FVector(X, Y, Z) * 100.0f); + } + } + } + } + + MeshComponents[SectionIndex]->CreateMeshSection_LinearColor + ( + 0, + MeshSectionBuffer.Vertices, + MeshSectionBuffer.Triangles, + MeshSectionBuffer.Normals, + MeshSectionBuffer.UV0, + MeshSectionBuffer.UV1, + MeshSectionBuffer.UV2, + MeshSectionBuffer.UV3, + MeshSectionBuffer.VertexColors, + TArray(), + true + ); +} diff --git a/Source/Voxel/Private/VoxelHelper.cpp b/Source/Voxel/Private/VoxelHelper.cpp new file mode 100644 index 0000000..7365606 --- /dev/null +++ b/Source/Voxel/Private/VoxelHelper.cpp @@ -0,0 +1,38 @@ +#include "VoxelHelper.h" + +#include "VoxelWorld.h" + +AVoxelWorld * UVoxelHelper::CreateVoxelWorld(UObject* WorldContextObject, const FVoxelWorldSetting& WorldSetting) +{ + UWorld* World = WorldContextObject->GetWorld(); + + if (!World) return nullptr; + + AVoxelWorld* VoxelWorld = World->SpawnActor(); + + VoxelWorld->WorldSetting = WorldSetting; + + return VoxelWorld; +} + +void UVoxelHelper::WorldToRelativeLocation(const FIntVector & InWorldLocation, FIntPoint & OutChunkLocation, FIntVector & OutRelativeLocation) +{ + OutChunkLocation.X = InWorldLocation.X / 16; + OutChunkLocation.Y = InWorldLocation.Y / 16; + + OutRelativeLocation.X = InWorldLocation.X % 16; + OutRelativeLocation.Y = InWorldLocation.Y % 16; + OutRelativeLocation.Z = InWorldLocation.Z; + + if (OutRelativeLocation.X < 0) + { + OutRelativeLocation.X += 16; + OutChunkLocation.X -= 1; + } + + if (OutRelativeLocation.Y < 0) + { + OutRelativeLocation.Y += 16; + OutChunkLocation.Y -= 1; + } +} diff --git a/Source/Voxel/Private/VoxelLog.cpp b/Source/Voxel/Private/VoxelLog.cpp new file mode 100644 index 0000000..38d6f17 --- /dev/null +++ b/Source/Voxel/Private/VoxelLog.cpp @@ -0,0 +1,3 @@ +#include "VoxelLog.h" + +DEFINE_LOG_CATEGORY(LogVoxel); diff --git a/Source/Voxel/Private/VoxelMesh.cpp b/Source/Voxel/Private/VoxelMesh.cpp new file mode 100644 index 0000000..56d3298 --- /dev/null +++ b/Source/Voxel/Private/VoxelMesh.cpp @@ -0,0 +1,426 @@ +#include "VoxelMesh.h" + +const FVoxelMeshData FVoxelMeshData::CubeTopFace = +{ + // Vertices + { + { 0.0f, 0.0f, 100.0f }, + { 100.0f, 0.0f, 100.0f }, + { 0.0f, 100.0f, 100.0f }, + { 100.0f, 100.0f, 100.0f }, + }, + + // Triangles + { + 2, 1, 0, + 2, 3, 1, + }, + + // Normals + { + { 0.0f, 0.0f, 1.0f }, + { 0.0f, 0.0f, 1.0f }, + { 0.0f, 0.0f, 1.0f }, + { 0.0f, 0.0f, 1.0f }, + }, + + // UV0 + { + { 0.0f, 0.0f }, + { 1.0f, 0.0f }, + { 0.0f, 1.0f }, + { 1.0f, 1.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +const FVoxelMeshData FVoxelMeshData::CubeBottomFace = +{ + // Vertices + { + { 0.0f, 0.0f, 0.0f }, + { 100.0f, 0.0f, 0.0f }, + { 0.0f, 100.0f, 0.0f }, + { 100.0f, 100.0f, 0.0f }, + }, + + // Triangles + { + 0, 1, 2, + 1, 3, 2, + }, + + // Normals + { + { 0.0f, 0.0f, -1.0f }, + { 0.0f, 0.0f, -1.0f }, + { 0.0f, 0.0f, -1.0f }, + { 0.0f, 0.0f, -1.0f }, + }, + + // UV0 + { + { 0.0f, 0.0f }, + { 1.0f, 0.0f }, + { 0.0f, 1.0f }, + { 1.0f, 1.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +const FVoxelMeshData FVoxelMeshData::CubeFrontFace = +{ + // Vertices + { + { 100.0f, 0.0f, 0.0f }, + { 100.0f, 0.0f, 100.0f }, + { 100.0f, 100.0f, 0.0f }, + { 100.0f, 100.0f, 100.0f }, + }, + + // Triangles + { + 0, 1, 2, + 1, 3, 2, + }, + + // Normals + { + { 1.0f, 0.0f, 0.0f }, + { 1.0f, 0.0f, 0.0f }, + { 1.0f, 0.0f, 0.0f }, + { 1.0f, 0.0f, 0.0f }, + }, + + // UV0 + { + { 0.0f, 1.0f }, + { 0.0f, 0.0f }, + { 1.0f, 1.0f }, + { 1.0f, 0.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +const FVoxelMeshData FVoxelMeshData::CubeBackFace = +{ + // Vertices + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 100.0f }, + { 0.0f, 100.0f, 0.0f }, + { 0.0f, 100.0f, 100.0f }, + }, + + // Triangles + { + 2, 1, 0, + 2, 3, 1, + }, + + // Normals + { + { -1.0f, 0.0f, 0.0f }, + { -1.0f, 0.0f, 0.0f }, + { -1.0f, 0.0f, 0.0f }, + { -1.0f, 0.0f, 0.0f }, + }, + + // UV0 + { + { 1.0f, 1.0f }, + { 1.0f, 0.0f }, + { 0.0f, 1.0f }, + { 0.0f, 0.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +const FVoxelMeshData FVoxelMeshData::CubeLeftFace = +{ + // Vertices + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 100.0f }, + { 100.0f, 0.0f, 0.0f }, + { 100.0f, 0.0f, 100.0f }, + }, + + // Triangles + { + 0, 1, 2, + 1, 3, 2, + }, + + // Normals + { + { 0.0f, -1.0f, 0.0f }, + { 0.0f, -1.0f, 0.0f }, + { 0.0f, -1.0f, 0.0f }, + { 0.0f, -1.0f, 0.0f }, + }, + + // UV0 + { + { 0.0f, 1.0f }, + { 0.0f, 0.0f }, + { 1.0f, 1.0f }, + { 1.0f, 0.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +const FVoxelMeshData FVoxelMeshData::CubeRightFace = +{ + // Vertices + { + { 0.0f, 100.0f, 0.0f }, + { 0.0f, 100.0f, 100.0f }, + { 100.0f, 100.0f, 0.0f }, + { 100.0f, 100.0f, 100.0f }, + }, + + // Triangles + { + 2, 1, 0, + 2, 3, 1, + }, + + // Normals + { + { 0.0f, 1.0f, 0.0f }, + { 0.0f, 1.0f, 0.0f }, + { 0.0f, 1.0f, 0.0f }, + { 0.0f, 1.0f, 0.0f }, + }, + + // UV0 + { + { 1.0f, 1.0f }, + { 1.0f, 0.0f }, + { 0.0f, 1.0f }, + { 0.0f, 0.0f }, + }, + + // UV1 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV2 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // UV3 + { + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + { 0.0f, 0.0f }, + }, + + // VertexColors + { + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + { 0.0f, 0.0f, 0.0f }, + }, +}; + +void FVoxelMeshData::Reset() +{ + Vertices.Reset(); + Triangles.Reset(); + Normals.Reset(); + UV0.Reset(); + UV1.Reset(); + UV2.Reset(); + UV3.Reset(); + VertexColors.Reset(); +} + +void FVoxelMeshData::Append(const FVoxelMeshData & Source) +{ + Vertices.Append(Source.Vertices); + Triangles.Append(Source.Triangles); + Normals.Append(Source.Normals); + UV0.Append(Source.UV0); + UV1.Append(Source.UV1); + UV2.Append(Source.UV2); + UV3.Append(Source.UV3); + VertexColors.Append(Source.VertexColors); + + for (int32 i = -Source.Triangles.Num(); i < 0; ++i) + Triangles[Triangles.Num() + i] += Vertices.Num() - Source.Vertices.Num(); +} + +void FVoxelMeshData::Append(const FVoxelMeshData & Source, const FVector & LocationOffset) +{ + Append(Source); + + for (int32 i = -Source.Vertices.Num(); i < 0; ++i) + Vertices[Vertices.Num() + i] += LocationOffset; +} diff --git a/Source/Voxel/Private/VoxelSubsystem.cpp b/Source/Voxel/Private/VoxelSubsystem.cpp new file mode 100644 index 0000000..207c38b --- /dev/null +++ b/Source/Voxel/Private/VoxelSubsystem.cpp @@ -0,0 +1,16 @@ +#include "VoxelSubsystem.h" + +#include "VoxelBlock.h" + +UVoxelSubsystem::UVoxelSubsystem(const class FObjectInitializer& ObjectInitializer) +{ + BlockTypes.Add(TEXT("Air"), FVoxelBlockType()); +} + +const FVoxelBlockType & UVoxelSubsystem::GetBlockType(const FName & Name) const +{ + if (BlockTypes.Contains(Name)) + return BlockTypes[Name]; + + return FVoxelBlockType::InvalidBlockType; +} diff --git a/Source/Voxel/Private/VoxelWorld.cpp b/Source/Voxel/Private/VoxelWorld.cpp new file mode 100644 index 0000000..1545482 --- /dev/null +++ b/Source/Voxel/Private/VoxelWorld.cpp @@ -0,0 +1,317 @@ +#include "VoxelWorld.h" + +#include "VoxelLog.h" +#include "VoxelBlock.h" +#include "VoxelChunk.h" +#include "VoxelHelper.h" +#include "VoxelSubsystem.h" +#include "VoxelAgentInterface.h" + +const TArray ChunkLoadOrder = +{ + { 0, 0 }, + { 0, -1 }, { -1, 0 }, { 0, 1 }, { 1, 0 }, { -1, -1 }, { 1, -1 }, { -1, 1 }, { 1, 1 }, + { 2, 0 }, { -2, 0 }, { 0, -2 }, { 0, 2 }, { -2, 1 }, { 1, 2 }, { 1, -2 }, { -1, -2 }, + { 2, 1 }, { 2, -1 }, { -1, 2 }, { -2, -1 }, { -2, -2 }, { 2, 2 }, { 2, -2 }, { -2, 2 }, + { 0, -3 }, { 3, 0 }, { -3, 0 }, { 0, 3 }, { 3, -1 }, { -3, 1 }, { 1, -3 }, { -1, -3 }, + { -1, 3 }, { 1, 3 }, { 3, 1 }, { -3, -1 }, { 3, -2 }, { 2, -3 }, { -3, 2 }, { -3, -2 }, + { 3, 2 }, { -2, -3 }, { -2, 3 }, { 2, 3 }, { 4, 0 }, { 0, 4 }, { -4, 0 }, { 0, -4 }, + { 4, 1 }, { -1, 4 }, { -4, 1 }, { 4, -1 }, { 1, -4 }, { 1, 4 }, { -4, -1 }, { -1, -4 }, + { 3, -3 }, { -3, 3 }, { -3, -3 }, { 3, 3 }, { 4, -2 }, { -2, 4 }, { -2, -4 }, { -4, -2 }, + { -4, 2 }, { 2, 4 }, { 2, -4 }, { 4, 2 }, { 3, -4 }, { -5, 0 }, { 0, 5 }, { -3, 4 }, + { 4, -3 }, { -4, 3 }, { 5, 0 }, { 4, 3 }, { -4, -3 }, { 0, -5 }, { 3, 4 }, { -3, -4 }, + { -5, -1 }, { -5, 1 }, { 5, -1 }, { 5, 1 }, { -1, 5 }, { -1, -5 }, { 1, -5 }, { 1, 5 }, + { 5, -2 }, { 5, 2 }, { 2, -5 }, { -2, -5 }, { -5, 2 }, { -5, -2 }, { 2, 5 }, { -2, 5 }, + { -4, 4 }, { 4, 4 }, { -4, -4 }, { 4, -4 }, { -5, -3 }, { -3, 5 }, { 5, 3 }, { 3, 5 }, + { -5, 3 }, { 3, -5 }, { 5, -3 }, { -3, -5 }, { -6, 0 }, { 0, 6 }, { 6, 0 }, { 0, -6 }, + { 6, -1 }, { -6, -1 }, { -6, 1 }, { -1, 6 }, { -1, -6 }, { 1, -6 }, { 1, 6 }, { 6, 1 }, + { 2, -6 }, { -6, -2 }, { 6, 2 }, { 2, 6 }, { -6, 2 }, { -2, 6 }, { -2, -6 }, { 6, -2 }, + { 4, -5 }, { 5, -4 }, { -5, 4 }, { 5, 4 }, { -5, -4 }, { -4, -5 }, { 4, 5 }, { -4, 5 }, + { -6, -3 }, { 3, -6 }, { -3, -6 }, { -6, 3 }, { 6, 3 }, { 3, 6 }, { 6, -3 }, { -3, 6 }, + { 0, 7 }, { 0, -7 }, { 7, 0 }, { -7, 0 }, { 5, -5 }, { 1, 7 }, { -7, -1 }, { -7, 1 }, + { 1, -7 }, { -1, -7 }, { -5, -5 }, { 7, 1 }, { 5, 5 }, { -1, 7 }, { 7, -1 }, { -5, 5 }, + { 6, -4 }, { -4, -6 }, { -6, 4 }, { -6, -4 }, { 6, 4 }, { 4, 6 }, { 4, -6 }, { -4, 6 }, + { -2, 7 }, { 7, 2 }, { -2, -7 }, { -7, -2 }, { 2, -7 }, { 2, 7 }, { 7, -2 }, { -7, 2 }, + { -7, 3 }, { 7, 3 }, { -7, -3 }, { -3, -7 }, { -3, 7 }, { 7, -3 }, { 3, 7 }, { 3, -7 }, + { 6, -5 }, { -5, 6 }, { 6, 5 }, { -6, -5 }, { -5, -6 }, { 5, -6 }, { 5, 6 }, { -6, 5 }, + { 0, -8 }, { 0, 8 }, { -8, 0 }, { 8, 0 }, { 7, 4 }, { -4, -7 }, { 7, -4 }, { 1, 8 }, + { -1, -8 }, { 1, -8 }, { 4, -7 }, { 4, 7 }, { -7, -4 }, { -7, 4 }, { -8, 1 }, { -8, -1 }, + { -1, 8 }, { 8, 1 }, { 8, -1 }, { -4, 7 }, { 2, -8 }, { -2, 8 }, { -2, -8 }, { -8, -2 }, + { 8, 2 }, { 2, 8 }, { -8, 2 }, { 8, -2 }, { -6, 6 }, { -6, -6 }, { 6, 6 }, { 6, -6 }, + { 8, -3 }, { 3, 8 }, { -3, 8 }, { 8, 3 }, { 3, -8 }, { -8, -3 }, { -8, 3 }, { -3, -8 }, + { -5, -7 }, { 5, 7 }, { 7, -5 }, { -7, -5 }, { 7, 5 }, { -7, 5 }, { -5, 7 }, { 5, -7 }, + { 4, 8 }, { -4, 8 }, { -8, 4 }, { -8, -4 }, { 4, -8 }, { 8, -4 }, { 8, 4 }, { -4, -8 }, + { 0, -9 }, { 0, 9 }, { -9, 0 }, { 9, 0 }, { -1, -9 }, { 1, 9 }, { 9, -1 }, { -1, 9 }, + { 1, -9 }, { -9, 1 }, { -9, -1 }, { 9, 1 }, { 6, 7 }, { -7, 6 }, { -9, -2 }, { 2, 9 }, + { -2, -9 }, { -2, 9 }, { 9, 2 }, { -6, -7 }, { 7, -6 }, { -6, 7 }, { 7, 6 }, { 6, -7 }, + { 2, -9 }, { 9, -2 }, { -9, 2 }, { -7, -6 }, { 8, -5 }, { -5, 8 }, { -8, -5 }, { 5, 8 }, + { -5, -8 }, { 8, 5 }, { 5, -8 }, { -8, 5 }, { -3, 9 }, { -9, 3 }, { -9, -3 }, { 9, -3 }, + { 3, 9 }, { -3, -9 }, { 3, -9 }, { 9, 3 }, { -4, 9 }, { -9, -4 }, { -4, -9 }, { 4, 9 }, + { 9, 4 }, { 4, -9 }, { -9, 4 }, { 9, -4 }, { 7, 7 }, { -7, 7 }, { -7, -7 }, { 7, -7 }, + { -6, -8 }, { 10, 0 }, { 8, -6 }, { -8, -6 }, { 8, 6 }, { 6, -8 }, { -6, 8 }, { 0, -10 }, + { 0, 10 }, { -8, 6 }, { 6, 8 }, { -10, 0 }, { 10, -1 }, { -10, -1 }, { -1, -10 }, { -10, 1 }, + { -1, 10 }, { 10, 1 }, { 1, 10 }, { 1, -10 }, { 2, 10 }, { -10, 2 }, { -10, -2 }, { -2, 10 }, + { 2, -10 }, { 10, -2 }, { -2, -10 }, { 10, 2 }, { -9, -5 }, { -9, 5 }, { -5, -9 }, { 9, -5 }, + { 9, 5 }, { 5, 9 }, { 5, -9 }, { -5, 9 }, { 3, 10 }, { -10, 3 }, { 3, -10 }, { -3, 10 }, + { 10, -3 }, { -10, -3 }, { 10, 3 }, { -3, -10 }, { 8, -7 }, { 8, 7 }, { 7, 8 }, { -7, 8 }, + { -7, -8 }, { 7, -8 }, { -8, 7 }, { -8, -7 }, { 4, -10 }, { 10, 4 }, { -4, -10 }, { -10, -4 }, + { 10, -4 }, { -4, 10 }, { 4, 10 }, { -10, 4 }, { -6, -9 }, { 6, -9 }, { 6, 9 }, { -9, -6 }, + { -9, 6 }, { 9, -6 }, { 9, 6 }, { -6, 9 }, { 0, 11 }, { 11, 0 }, { 0, -11 }, { -11, 0 }, + { 1, 11 }, { -1, -11 }, { -1, 11 }, { -11, -1 }, { 11, 1 }, { 11, -1 }, { 1, -11 }, { -11, 1 }, + { -5, -10 }, { -2, -11 }, { 11, 2 }, { -10, -5 }, { 2, 11 }, { 10, -5 }, { 5, -10 }, { 11, -2 }, + { -5, 10 }, { -11, 2 }, { 10, 5 }, { 5, 10 }, { 2, -11 }, { -11, -2 }, { -10, 5 }, { -2, 11 }, + { -8, -8 }, { -8, 8 }, { 8, 8 }, { 8, -8 }, { 7, 9 }, { -11, 3 }, { -11, -3 }, { 11, -3 }, + { 9, 7 }, { -3, -11 }, { 3, -11 }, { 7, -9 }, { -9, 7 }, { -7, -9 }, { -9, -7 }, { 11, 3 }, + { 9, -7 }, { -7, 9 }, { -3, 11 }, { 3, 11 }, { 10, -6 }, { 10, 6 }, { -10, -6 }, { -6, -10 }, + { -6, 10 }, { -10, 6 }, { 6, -10 }, { 6, 10 }, { -4, 11 }, { -11, 4 }, { -4, -11 }, { -11, -4 }, + { 11, -4 }, { 11, 4 }, { 4, -11 }, { 4, 11 }, { 12, 0 }, { 0, 12 }, { 0, -12 }, { -12, 0 }, + { 12, -1 }, { 8, -9 }, { -12, -1 }, { 1, 12 }, { -1, -12 }, { -12, 1 }, { 12, 1 }, { 9, -8 }, + { -1, 12 }, { 1, -12 }, { -9, 8 }, { -8, -9 }, { -9, -8 }, { -8, 9 }, { 9, 8 }, { 8, 9 }, + { -11, -5 }, { 5, -11 }, { 11, 5 }, { -5, 11 }, { -5, -11 }, { 5, 11 }, { -11, 5 }, { 11, -5 }, + { 12, -2 }, { 12, 2 }, { -2, 12 }, { -12, -2 }, { -12, 2 }, { -2, -12 }, { 2, -12 }, { 2, 12 }, + { 7, 10 }, { 7, -10 }, { -10, 7 }, { 10, -7 }, { -7, -10 }, { 10, 7 }, { -7, 10 }, { -10, -7 }, + { 12, -3 }, { 12, 3 }, { -3, 12 }, { 3, -12 }, { -12, 3 }, { -12, -3 }, { -3, -12 }, { 3, 12 }, + { -6, 11 }, { -11, -6 }, { -11, 6 }, { 6, 11 }, { 11, 6 }, { -6, -11 }, { 6, -11 }, { 11, -6 }, + { 12, -4 }, { 12, 4 }, { -12, 4 }, { 4, -12 }, { -4, -12 }, { -12, -4 }, { -4, 12 }, { 4, 12 }, + { 9, -9 }, { -9, -9 }, { 9, 9 }, { -9, 9 }, { -10, -8 }, { 8, -10 }, { -10, 8 }, { 10, -8 }, + { -8, 10 }, { 10, 8 }, { -8, -10 }, { 8, 10 }, { 12, -5 }, { 5, -12 }, { 0, -13 }, { 13, 0 }, + { -5, 12 }, { 5, 12 }, { -12, 5 }, { 0, 13 }, { -5, -12 }, { 12, 5 }, { -12, -5 }, { -13, 0 }, + { -11, -7 }, { 7, -11 }, { 11, -7 }, { -13, -1 }, { -13, 1 }, { 13, -1 }, { 13, 1 }, { 11, 7 }, + { -1, -13 }, { -7, 11 }, { -7, -11 }, { -1, 13 }, { 1, 13 }, { 1, -13 }, { 7, 11 }, { -11, 7 }, + { -2, 13 }, { 2, 13 }, { -13, 2 }, { 2, -13 }, { -2, -13 }, { 13, -2 }, { -13, -2 }, { 13, 2 }, + { -13, 3 }, { 3, 13 }, { 3, -13 }, { -13, -3 }, { -3, 13 }, { -3, -13 }, { 13, -3 }, { 13, 3 }, + { 6, -12 }, { -12, 6 }, { 12, -6 }, { -6, -12 }, { -12, -6 }, { -6, 12 }, { 6, 12 }, { 12, 6 }, + { 10, -9 }, { -10, 9 }, { -9, -10 }, { 9, -10 }, { 9, 10 }, { -9, 10 }, { -10, -9 }, { 10, 9 }, + { 8, 11 }, { 8, -11 }, { 11, -8 }, { 13, 4 }, { -8, 11 }, { -8, -11 }, { 4, 13 }, { -4, -13 }, + { -4, 13 }, { 11, 8 }, { 13, -4 }, { -11, -8 }, { -13, 4 }, { -11, 8 }, { 4, -13 }, { -13, -4 }, + { 12, -7 }, { 12, 7 }, { -12, -7 }, { 7, -12 }, { 7, 12 }, { -12, 7 }, { -7, 12 }, { -7, -12 }, + { 13, 5 }, { -5, 13 }, { -13, -5 }, { 5, -13 }, { -13, 5 }, { 5, 13 }, { 13, -5 }, { -5, -13 }, + { -14, 0 }, { 0, 14 }, { 0, -14 }, { 14, 0 }, { -14, 1 }, { 1, -14 }, { -14, -1 }, { -1, 14 }, + { -1, -14 }, { 1, 14 }, { 14, -1 }, { 14, 1 }, { -2, -14 }, { 2, -14 }, { 2, 14 }, { -10, -10 }, + { -14, 2 }, { 10, 10 }, { -14, -2 }, { 10, -10 }, { -2, 14 }, { -10, 10 }, { 14, -2 }, { 14, 2 }, + { 11, 9 }, { 11, -9 }, { -11, -9 }, { -11, 9 }, { 9, 11 }, { -9, 11 }, { -9, -11 }, { 9, -11 }, + { 6, -13 }, { -13, -6 }, { -14, 3 }, { -6, 13 }, { 6, 13 }, { 3, -14 }, { -3, 14 }, { -14, -3 }, + { 13, 6 }, { 14, -3 }, { 13, -6 }, { 3, 14 }, { -6, -13 }, { -13, 6 }, { -3, -14 }, { 14, 3 }, + { -8, -12 }, { 8, 12 }, { -8, 12 }, { -12, 8 }, { 12, -8 }, { -12, -8 }, { 8, -12 }, { 12, 8 }, + { 4, 14 }, { -14, 4 }, { 14, 4 }, { 14, -4 }, { -4, -14 }, { 4, -14 }, { -4, 14 }, { -14, -4 }, + { 7, 13 }, { -7, -13 }, { -13, 7 }, { -13, -7 }, { 13, -7 }, { -7, 13 }, { 7, -13 }, { 13, 7 }, + { -10, -11 }, { 5, -14 }, { -11, -10 }, { 5, 14 }, { -11, 10 }, { 14, -5 }, { -14, 5 }, { -14, -5 }, + { 10, -11 }, { 10, 11 }, { 11, -10 }, { 11, 10 }, { -5, 14 }, { -5, -14 }, { -10, 11 }, { 14, 5 }, + { 0, 15 }, { 9, 12 }, { -12, 9 }, { -9, 12 }, { 15, 0 }, { 12, -9 }, { 12, 9 }, { 0, -15 }, + { -15, 0 }, { -12, -9 }, { 9, -12 }, { -9, -12 }, { 1, 15 }, { 15, 1 }, { -15, -1 }, { -1, 15 }, + { -1, -15 }, { 15, -1 }, { -15, 1 }, { 1, -15 }, { -15, -2 }, { 2, -15 }, { 15, 2 }, { -2, -15 }, + { 2, 15 }, { 15, -2 }, { -2, 15 }, { -15, 2 }, { -6, 14 }, { 14, -6 }, { -14, 6 }, { -6, -14 }, + { 6, 14 }, { -14, -6 }, { 6, -14 }, { 14, 6 }, { 8, 13 }, { 13, 8 }, { -8, -13 }, { 13, -8 }, + { -13, -8 }, { -8, 13 }, { -13, 8 }, { 8, -13 }, { 3, 15 }, { 15, 3 }, { -3, -15 }, { -15, -3 }, + { -3, 15 }, { -15, 3 }, { 3, -15 }, { 15, -3 }, { 15, 4 }, { 4, -15 }, { -4, -15 }, { 4, 15 }, + { -4, 15 }, { 15, -4 }, { -15, 4 }, { -15, -4 }, { -11, -11 }, { 11, -11 }, { -11, 11 }, { 11, 11 }, + { 12, 10 }, { -12, 10 }, { -10, -12 }, { -10, 12 }, { 10, -12 }, { 10, 12 }, { -12, -10 }, { 12, -10 }, + { 7, -14 }, { 14, 7 }, { -14, 7 }, { 14, -7 }, { 7, 14 }, { -14, -7 }, { -7, -14 }, { -7, 14 }, + { -15, 5 }, { -13, -9 }, { -5, -15 }, { 13, -9 }, { -9, -13 }, { 9, -13 }, { 5, 15 }, { -9, 13 }, + { 9, 13 }, { 13, 9 }, { -5, 15 }, { -13, 9 }, { 5, -15 }, { 15, 5 }, { -15, -5 }, { 15, -5 }, + { 0, 16 }, { -16, 0 }, { 0, -16 }, { 16, 0 }, { -16, 1 }, { -16, -1 }, { 1, 16 }, { -1, 16 }, + { 1, -16 }, { -1, -16 }, { 16, -1 }, { 16, 1 }, { 2, -16 }, { -14, 8 }, { -2, 16 }, { 8, 14 }, + { 14, 8 }, { -2, -16 }, { -8, -14 }, { -8, 14 }, { -14, -8 }, { 16, 2 }, { 16, -2 }, { 2, 16 }, + { 14, -8 }, { -16, 2 }, { -16, -2 }, { 8, -14 }, { 6, 15 }, { 6, -15 }, { -6, -15 }, { 15, -6 }, + { -15, 6 }, { 15, 6 }, { -15, -6 }, { -6, 15 }, { -3, 16 }, { 3, 16 }, { 11, 12 }, { 12, -11 }, + { 12, 11 }, { -11, 12 }, { 16, -3 }, { 16, 3 }, { -16, 3 }, { -16, -3 }, { -3, -16 }, { -12, -11 }, + { 11, -12 }, { -11, -12 }, { -12, 11 }, { 3, -16 }, { -10, -13 }, { -10, 13 }, { -13, 10 }, { 13, -10 }, + { 10, -13 }, { 10, 13 }, { 13, 10 }, { -13, -10 }, { 16, -4 }, { -4, -16 }, { 16, 4 }, { 4, 16 }, + { 4, -16 }, { -4, 16 }, { -16, -4 }, { -16, 4 }, { 7, -15 }, { 15, -7 }, { -7, 15 }, { 15, 7 }, + { 7, 15 }, { -7, -15 }, { -15, 7 }, { -15, -7 }, { -14, 9 }, { -9, -14 }, { 9, -14 }, { -9, 14 }, + { 14, 9 }, { 14, -9 }, { 9, 14 }, { -14, -9 }, { -16, -5 }, { -5, -16 }, { 5, 16 }, { 16, -5 }, + { 5, -16 }, { -5, 16 }, { -16, 5 }, { 16, 5 }, { -12, 12 }, { 12, 12 }, { 12, -12 }, { -12, -12 }, + { -15, -8 }, { 8, 15 }, { 8, -15 }, { -8, 15 }, { -8, -15 }, { 15, -8 }, { 15, 8 }, { -15, 8 }, + { 13, -11 }, { 11, -13 }, { -11, 13 }, { -11, -13 }, { 11, 13 }, { 13, 11 }, { -13, 11 }, { -13, -11 }, + { 16, -6 }, { -6, 16 }, { 6, -16 }, { -16, 6 }, { 16, 6 }, { -16, -6 }, { 6, 16 }, { -6, -16 }, + { 14, 10 }, { -10, 14 }, { 14, -10 }, { -10, -14 }, { 10, -14 }, { -14, 10 }, { -14, -10 }, { 10, 14 }, + { -16, -7 }, { 16, -7 }, { -7, -16 }, { -7, 16 }, { 16, 7 }, { 7, 16 }, { -16, 7 }, { 7, -16 }, + { 9, -15 }, { 15, -9 }, { 9, 15 }, { 15, 9 }, { -15, 9 }, { -15, -9 }, { -9, -15 }, { -9, 15 }, + { 13, -12 }, { -12, 13 }, { -12, -13 }, { 13, 12 }, { 12, -13 }, { -13, -12 }, { 12, 13 }, { -13, 12 }, + { -14, 11 }, { 14, -11 }, { -14, -11 }, { -11, -14 }, { -11, 14 }, { 11, -14 }, { 14, 11 }, { 11, 14 }, + { -16, -8 }, { -16, 8 }, { -8, 16 }, { 8, -16 }, { 16, -8 }, { 8, 16 }, { -8, -16 }, { 16, 8 }, + { 15, 10 }, { -10, -15 }, { -15, 10 }, { -15, -10 }, { 10, 15 }, { 10, -15 }, { 15, -10 }, { -10, 15 }, + { 9, 16 }, { -9, -16 }, { 16, -9 }, { -16, -9 }, { -9, 16 }, { 9, -16 }, { -16, 9 }, { 16, 9 }, + { -13, -13 }, { -13, 13 }, { 13, 13 }, { 13, -13 }, { 12, 14 }, { -12, 14 }, { -12, -14 }, { 14, 12 }, + { 12, -14 }, { 14, -12 }, { -14, -12 }, { -14, 12 }, { 11, -15 }, { -11, -15 }, { -15, -11 }, { -11, 15 }, + { 15, 11 }, { 15, -11 }, { -15, 11 }, { 11, 15 }, { -10, 16 }, { -16, -10 }, { -10, -16 }, { 16, -10 }, + { 10, -16 }, { 10, 16 }, { 16, 10 }, { -16, 10 }, { 14, -13 }, { 13, 14 }, { 14, 13 }, { 13, -14 }, + { -13, -14 }, { -14, -13 }, { -13, 14 }, { -14, 13 }, { -15, -12 }, { 15, -12 }, { -12, -15 }, { -15, 12 }, + { -12, 15 }, { 12, -15 }, { 12, 15 }, { 15, 12 }, { -11, 16 }, { 16, -11 }, { 11, -16 }, { -11, -16 }, + { -16, 11 }, { -16, -11 }, { 11, 16 }, { 16, 11 }, { 14, 14 }, { -14, -14 }, { 14, -14 }, { -14, 14 }, + { 15, -13 }, { -13, -15 }, { -15, 13 }, { -13, 15 }, { 15, 13 }, { -15, -13 }, { 13, -15 }, { 13, 15 }, + { 16, -12 }, { 12, -16 }, { -12, -16 }, { 12, 16 }, { -12, 16 }, { -16, -12 }, { -16, 12 }, { 16, 12 }, + { -15, 14 }, { 14, -15 }, { -15, -14 }, { -14, 15 }, { 14, 15 }, { -14, -15 }, { 15, -14 }, { 15, 14 }, + { 16, -13 }, { 13, -16 }, { -16, 13 }, { 13, 16 }, { -16, -13 }, { -13, -16 }, { -13, 16 }, { 16, 13 }, + { -15, 15 }, { -15, -15 }, { 15, -15 }, { 15, 15 }, { 16, -14 }, { -16, 14 }, { 14, -16 }, { -16, -14 }, + { -14, -16 }, { -14, 16 }, { 14, 16 }, { 16, 14 }, { 16, -15 }, { -15, -16 }, { -16, 15 }, { -15, 16 }, + { -16, -15 }, { 15, -16 }, { 15, 16 }, { 16, 15 }, { -16, -16 }, { -16, 16 }, { 16, -16 }, { 16, 16 }, +}; + +AVoxelWorld::AVoxelWorld(const class FObjectInitializer& ObjectInitializer) + : Super(ObjectInitializer) +{ + PrimaryActorTick.bCanEverTick = true; +} + +void AVoxelWorld::BeginPlay() +{ + Super::BeginPlay(); + + UGameInstance* GameInstance = GetGameInstance(); + VoxelSubsystem = GameInstance->GetSubsystem(); +} + +void AVoxelWorld::Tick(float DeltaSeconds) +{ + Super::Tick(DeltaSeconds); + + ManageChunk(); + + FlushMeshs(); + +} + +void AVoxelWorld::EndPlay(const EEndPlayReason::Type EndPlayReason) +{ + TArray ChunksToUnload; + Chunks.GetKeys(ChunksToUnload); + + for (const FIntPoint& Chunk : ChunksToUnload) + UnloadChunk(Chunk); + + Super::EndPlay(EndPlayReason); +} + +const FVoxelBlock & AVoxelWorld::GetBlockByWorldLocation(const FIntVector & Location) const +{ + FIntPoint ChunkLocation; + FIntVector RelativeLocation; + + UVoxelHelper::WorldToRelativeLocation(Location, ChunkLocation, RelativeLocation); + + if (!Chunks.Contains(ChunkLocation)) + { + UE_LOG(LogVoxel, Warning, TEXT("The Chunk %d, %d Is Not Loaded, Block %d, %d, %d Is Invalid"), ChunkLocation.X, ChunkLocation.Y, Location.X, Location.Y, Location.Z); + return FVoxelBlock::InvalidBlock; + } + + return Chunks[ChunkLocation]->GetBlockByRelativeLocation(RelativeLocation); +} + +void AVoxelWorld::SetBlockByWorldLocation(const FIntVector& Location, const FVoxelBlock& NewBlock) +{ + FIntPoint ChunkLocation; + FIntVector RelativeLocation; + + UVoxelHelper::WorldToRelativeLocation(Location, ChunkLocation, RelativeLocation); + + if (!Chunks.Contains(ChunkLocation)) + { + UE_LOG(LogVoxel, Warning, TEXT("The Chunk %d, %d Is Not Loaded, Block %d, %d, %d Is Invalid"), ChunkLocation.X, ChunkLocation.Y, Location.X, Location.Y, Location.Z); + return; + } + + Chunks[ChunkLocation]->SetBlockByRelativeLocation(RelativeLocation, NewBlock); +} + +void AVoxelWorld::LoadChunk(const FIntPoint & ChunkLocation) +{ + if (Chunks.Contains(ChunkLocation)) return; + + UWorld* World = GetWorld(); + + check(World); + + AVoxelChunk* NewVoxelChunk = World->SpawnActor(); + NewVoxelChunk->VoxelWorld = this; + NewVoxelChunk->ChunkLocation = ChunkLocation; + NewVoxelChunk->SetActorLocation(FVector(ChunkLocation.X * 1600.0f, ChunkLocation.Y * 1600.0f, 0.0f)); + NewVoxelChunk->AttachToActor(this, FAttachmentTransformRules::KeepRelativeTransform); + NewVoxelChunk->FlushMaterials(); + NewVoxelChunk->Load(); + AddChunkToMeshFlushBuffer(ChunkLocation); + + Chunks.Add(ChunkLocation, NewVoxelChunk); + + UE_LOG(LogVoxel, Log, TEXT("The Chunk %d, %d Is Loaded"), ChunkLocation.X, ChunkLocation.Y); +} + +void AVoxelWorld::UnloadChunk(const FIntPoint & ChunkLocation) +{ + if (!Chunks.Contains(ChunkLocation)) return; + + Chunks[ChunkLocation]->Unload(); + Chunks[ChunkLocation]->Destroy(); + + Chunks.Remove(ChunkLocation); + + UE_LOG(LogVoxel, Log, TEXT("The Chunk %d, %d Is Unload"), ChunkLocation.X, ChunkLocation.Y); +} + +void AVoxelWorld::FlushMaterials() +{ + for (const TPair& Chunk : Chunks) + { + Chunk.Value->FlushMaterials(); + } +} + +void AVoxelWorld::ManageChunk() +{ + FIntPoint RootChunk; + FIntVector RLocation; + UVoxelHelper::WorldToRelativeLocation(IVoxelAgentInterface::Execute_GetAgentLocation(CenterAgent.GetObject()), RootChunk, RLocation); + + // Load + for (const FIntPoint& Chunk : ChunkLoadOrder) + { + const FIntPoint WorldLocation = Chunk + RootChunk; + const FIntPoint RelativeLocation = Chunk; + + const bool bChunkLoaded = Chunks.Contains(WorldLocation); + const bool bInLoadDistance = FMath::Abs(RelativeLocation.X) < VoxelSubsystem->ChunkLoadDistance && FMath::Abs(RelativeLocation.Y) < VoxelSubsystem->ChunkLoadDistance; + + if (!bChunkLoaded && bInLoadDistance) + { + LoadChunk(WorldLocation); + break; + } + } + + // Unload + int32 ChunkUnloadDistance = VoxelSubsystem->ChunkLoadDistance + VoxelSubsystem->ChunkUnloadBuffer; + for (const TPair& Chunk : Chunks) + { + const FIntPoint WorldLocation = Chunk.Key; + const FIntPoint RelativeLocation = WorldLocation - RootChunk; + + const bool bInUnloadDistance = FMath::Abs(RelativeLocation.X) > ChunkUnloadDistance && FMath::Abs(RelativeLocation.Y) > ChunkUnloadDistance; + + if (bInUnloadDistance) + { + UnloadChunk(WorldLocation); + break; + } + } +} + +void AVoxelWorld::FlushMeshs() +{ + QUICK_SCOPE_CYCLE_COUNTER(STAT_VoxelWorld_FlushMeshs); + + for (const FIntPoint& ChunkLocation : MeshFlushBuffer) + { + if (!Chunks.Contains(ChunkLocation)) + continue; + + AVoxelChunk* ChunkActor = Chunks[ChunkLocation]; + + if (!IsValid(ChunkActor)) + continue; + + ChunkActor->FlushMeshs(); + } + + MeshFlushBuffer.Reset(); +} diff --git a/Source/Voxel/Public/Blueprint/VoxelBlueprintLibrary.h b/Source/Voxel/Public/Blueprint/VoxelBlueprintLibrary.h new file mode 100644 index 0000000..088abf1 --- /dev/null +++ b/Source/Voxel/Public/Blueprint/VoxelBlueprintLibrary.h @@ -0,0 +1,20 @@ +#pragma once + +#include "CoreMinimal.h" +#include "VoxelBlock.h" +#include "Kismet/BlueprintFunctionLibrary.h" +#include "VoxelBlueprintLibrary.generated.h" + +struct FVoxelBlockType; + +UCLASS() +class UVoxelBlueprintLibrary : public UBlueprintFunctionLibrary +{ + GENERATED_BODY() + +public: + + UFUNCTION(BlueprintCallable, Category = "Voxel|Subsystem", meta = (WorldContext = "WorldContextObject")) + static void AddBlockType(const UObject* WorldContextObject, const FName& Name, const FVoxelBlockType& BlockType); + +}; diff --git a/Source/Voxel/Public/Voxel.h b/Source/Voxel/Public/Voxel.h new file mode 100644 index 0000000..319c669 --- /dev/null +++ b/Source/Voxel/Public/Voxel.h @@ -0,0 +1,15 @@ +// Copyright Epic Games, Inc. All Rights Reserved. + +#pragma once + +#include "CoreMinimal.h" +#include "Modules/ModuleManager.h" + +class FVoxelModule : public IModuleInterface +{ +public: + + /** IModuleInterface implementation */ + virtual void StartupModule() override; + virtual void ShutdownModule() override; +}; diff --git a/Source/Voxel/Public/VoxelAgentInterface.h b/Source/Voxel/Public/VoxelAgentInterface.h new file mode 100644 index 0000000..4673fa5 --- /dev/null +++ b/Source/Voxel/Public/VoxelAgentInterface.h @@ -0,0 +1,27 @@ +#pragma once + +#include "CoreMinimal.h" +#include "UObject/Interface.h" +#include "VoxelAgentInterface.generated.h" + +UINTERFACE(MinimalAPI) +class UVoxelAgentInterface : public UInterface +{ + GENERATED_BODY() +}; + +class VOXEL_API IVoxelAgentInterface +{ + GENERATED_BODY() + +public: + + UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Voxel|Agent") + FIntVector GetAgentLocation() const; + FIntVector GetAgentLocation_Implementation() const; + + UFUNCTION(BlueprintNativeEvent, BlueprintCallable, Category = "Voxel|Agent") + FVector GetAgentPartialLocation() const; + FVector GetAgentPartialLocation_Implementation() const; + +}; diff --git a/Source/Voxel/Public/VoxelBlock.h b/Source/Voxel/Public/VoxelBlock.h new file mode 100644 index 0000000..a5e98ae --- /dev/null +++ b/Source/Voxel/Public/VoxelBlock.h @@ -0,0 +1,66 @@ +#pragma once + +#include "CoreMinimal.h" +#include "VoxelMesh.h" +#include "UObject/Object.h" +#include "VoxelBlock.generated.h" + +class AVoxelWorld; + +USTRUCT(BlueprintType) +struct VOXEL_API FVoxelBlock +{ + GENERATED_BODY() + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FName Type; + + FVoxelBlock() : FVoxelBlock(FName(TEXT("Air"))) { } + + FVoxelBlock(FName InType) : Type(InType) { } + + const static FVoxelBlock InvalidBlock; + + bool IsValidBlock() const { return Type != NAME_None; } +}; + +UENUM(BlueprintType) +enum class EVoxelBlockShape : uint8 +{ + Invalid, + Air, + Cube, +}; + +USTRUCT(BlueprintType) +struct VOXEL_API FVoxelBlockType +{ + GENERATED_BODY() + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + EVoxelBlockShape Shape; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomTopFaceUV; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomBottomFaceUV; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomFrontFaceUV; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomBackFaceUV; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomLeftFaceUV; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Block") + FVector2D CustomRightFaceUV; + + FVoxelBlockType() : FVoxelBlockType(EVoxelBlockShape::Air) { } + + FVoxelBlockType(EVoxelBlockShape InShape) : Shape(InShape) { } + + const static FVoxelBlockType InvalidBlockType; +}; diff --git a/Source/Voxel/Public/VoxelChunk.h b/Source/Voxel/Public/VoxelChunk.h new file mode 100644 index 0000000..8b6648c --- /dev/null +++ b/Source/Voxel/Public/VoxelChunk.h @@ -0,0 +1,74 @@ +#pragma once + +#include "CoreMinimal.h" +#include "VoxelBlock.h" +#include "GameFramework/Actor.h" +#include "VoxelChunk.generated.h" + +class AVoxelWorld; +class UVoxelSubsystem; +class UProceduralMeshComponent; + +const FString ChunkFileExtension = TEXT(".voxelchunk"); + +UCLASS(BlueprintType) +class VOXEL_API AVoxelChunk : public AActor +{ + GENERATED_BODY() + + friend AVoxelWorld; + +public: + + AVoxelChunk(const class FObjectInitializer& ObjectInitializer); + + virtual void BeginPlay() override; + + UFUNCTION(BlueprintCallable, Category = "Voxel|Chunk") + AVoxelWorld* GetVoxelWorld() const { return VoxelWorld; } + + UFUNCTION(BlueprintCallable, Category = "Voxel|Chunk") + FIntPoint GetChunkLocation() const { return ChunkLocation; } + + UFUNCTION(BlueprintCallable, Category = "Voxel|Chunk") + const FVoxelBlock& GetBlockByRelativeLocation(const FIntVector& Location) const; + + UFUNCTION(BlueprintCallable, Category = "Voxel|Chunk") + void SetBlockByRelativeLocation(const FIntVector& Location, const FVoxelBlock& NewBlock); + + UFUNCTION(CallInEditor, BlueprintCallable, Category = "Voxel|Chunk") + void FlushMeshs(); + + UFUNCTION(CallInEditor, BlueprintCallable, Category = "Voxel|Chunk") + void FlushMaterials(); + +private: + + UPROPERTY() + UVoxelSubsystem* VoxelSubsystem; + + UPROPERTY() + AVoxelWorld* VoxelWorld; + + UPROPERTY() + TArray MeshComponents; + + FString ArchiveFile; + + FIntPoint ChunkLocation; + + uint16 FlushMeshFlags; + + FVoxelBlock Blocks[16][16][256]; + + FVoxelMeshData MeshSectionBuffer; + +private: + + void Load(); + + void Unload(); + + void FlushMeshSection(int32 SectionIndex); + +}; diff --git a/Source/Voxel/Public/VoxelHelper.h b/Source/Voxel/Public/VoxelHelper.h new file mode 100644 index 0000000..9c017c1 --- /dev/null +++ b/Source/Voxel/Public/VoxelHelper.h @@ -0,0 +1,23 @@ +#pragma once + +#include "CoreMinimal.h" +#include "VoxelWorld.h" +#include "Kismet/BlueprintFunctionLibrary.h" +#include "VoxelHelper.generated.h" + +class AVoxelWorld; + +UCLASS() +class UVoxelHelper : public UBlueprintFunctionLibrary +{ + GENERATED_BODY() + +public: + + UFUNCTION(BlueprintCallable, Category = "Voxel|Helper", meta = (WorldContext = "WorldContextObject")) + static AVoxelWorld* CreateVoxelWorld(UObject* WorldContextObject, const FVoxelWorldSetting& WorldSetting); + + UFUNCTION(BlueprintCallable, Category = "Voxel|Helper") + static void WorldToRelativeLocation(const FIntVector& InWorldLocation, FIntPoint& OutChunkLocation, FIntVector& OutRelativeLocation); + +}; diff --git a/Source/Voxel/Public/VoxelLog.h b/Source/Voxel/Public/VoxelLog.h new file mode 100644 index 0000000..5fd2279 --- /dev/null +++ b/Source/Voxel/Public/VoxelLog.h @@ -0,0 +1,5 @@ +#pragma once + +#include "Logging/LogMacros.h" + +VOXEL_API DECLARE_LOG_CATEGORY_EXTERN(LogVoxel, Log, All); diff --git a/Source/Voxel/Public/VoxelMesh.h b/Source/Voxel/Public/VoxelMesh.h new file mode 100644 index 0000000..6023959 --- /dev/null +++ b/Source/Voxel/Public/VoxelMesh.h @@ -0,0 +1,47 @@ +#pragma once + +#include "CoreMinimal.h" +#include "VoxelMesh.generated.h" + +USTRUCT(BlueprintType) +struct FVoxelMeshData +{ + GENERATED_BODY() + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray Vertices; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray Triangles; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray Normals; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray UV0; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray UV1; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray UV2; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray UV3; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Mesh") + TArray VertexColors; + + const static FVoxelMeshData CubeTopFace; + const static FVoxelMeshData CubeBottomFace; + const static FVoxelMeshData CubeFrontFace; + const static FVoxelMeshData CubeBackFace; + const static FVoxelMeshData CubeLeftFace; + const static FVoxelMeshData CubeRightFace; + + void Reset(); + + void Append(const FVoxelMeshData& Source); + + void Append(const FVoxelMeshData& Source, const FVector& LocationOffset); +}; diff --git a/Source/Voxel/Public/VoxelSubsystem.h b/Source/Voxel/Public/VoxelSubsystem.h new file mode 100644 index 0000000..b50ed9a --- /dev/null +++ b/Source/Voxel/Public/VoxelSubsystem.h @@ -0,0 +1,33 @@ +#pragma once + +#include "CoreMinimal.h" +#include "Subsystems/GameInstanceSubsystem.h" +#include "VoxelSubsystem.generated.h" + +struct FVoxelBlockType; + +UCLASS() +class UVoxelSubsystem : public UGameInstanceSubsystem +{ + GENERATED_BODY() + +public: + + UVoxelSubsystem(const class FObjectInitializer& ObjectInitializer); + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Subsystem") + int32 ChunkLoadDistance = 16; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Subsystem") + int32 ChunkUnloadBuffer = 2; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Subsystem") + TArray Materials; + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|Subsystem") + TMap BlockTypes; + + UFUNCTION(BlueprintCallable, Category = "Voxel|Subsystem") + const FVoxelBlockType& GetBlockType(const FName& Name) const; + +}; diff --git a/Source/Voxel/Public/VoxelWorld.h b/Source/Voxel/Public/VoxelWorld.h new file mode 100644 index 0000000..9e3773e --- /dev/null +++ b/Source/Voxel/Public/VoxelWorld.h @@ -0,0 +1,88 @@ +#pragma once + +#include "CoreMinimal.h" +#include "GameFramework/Info.h" +#include "VoxelWorld.generated.h" + +struct FVoxelBlock; + +class AVoxelChunk; +class UVoxelHelper; +class UVoxelBlockType; +class UVoxelSubsystem; +class IVoxelAgentInterface; + +USTRUCT(BlueprintType) +struct FVoxelWorldSetting +{ + GENERATED_BODY() + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|World") + FString ArchiveFolder; + +}; + +UCLASS(BlueprintType) +class VOXEL_API AVoxelWorld : public AInfo +{ + GENERATED_BODY() + + friend UVoxelHelper; + +public: + + UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Voxel|World") + TScriptInterface CenterAgent; + + AVoxelWorld(const class FObjectInitializer& ObjectInitializer); + + virtual void BeginPlay() override; + + virtual void Tick(float DeltaSeconds) override; + + virtual void EndPlay(const EEndPlayReason::Type EndPlayReason) override; + + UFUNCTION(BlueprintCallable, Category = "Voxel|World") + const FVoxelWorldSetting& GetWorldSetting() const { return WorldSetting; } + + UFUNCTION(BlueprintCallable, Category = "Voxel|World") + const TMap& GetChunks() const { return Chunks; } + + UFUNCTION(BlueprintCallable, Category = "Voxel|World") + const FVoxelBlock& GetBlockByWorldLocation(const FIntVector& Location) const; + + UFUNCTION(BlueprintCallable, Category = "Voxel|World") + void SetBlockByWorldLocation(const FIntVector& Location, const FVoxelBlock& NewBlock); + + UFUNCTION(BlueprintCallable, Category = "Voxel|World") + void AddChunkToMeshFlushBuffer(const FIntPoint& ChunkLocation) { MeshFlushBuffer.Add(ChunkLocation); } + + UFUNCTION(CallInEditor, BlueprintCallable, Category = "Voxel|World") + void FlushMaterials(); + +public: + + void LoadChunk(const FIntPoint& ChunkLocation); + void UnloadChunk(const FIntPoint& ChunkLocation); + +private: + + UPROPERTY(EditAnywhere, Category = "Voxel|World") + FVoxelWorldSetting WorldSetting; + + UPROPERTY() + UVoxelSubsystem* VoxelSubsystem; + + UPROPERTY() + TMap Chunks; + + UPROPERTY() + TSet MeshFlushBuffer; + +private: + + void ManageChunk(); + + void FlushMeshs(); + +}; diff --git a/Source/Voxel/Voxel.Build.cs b/Source/Voxel/Voxel.Build.cs new file mode 100644 index 0000000..d1f207a --- /dev/null +++ b/Source/Voxel/Voxel.Build.cs @@ -0,0 +1,54 @@ +// Copyright Epic Games, Inc. All Rights Reserved. + +using UnrealBuildTool; + +public class Voxel : ModuleRules +{ + public Voxel(ReadOnlyTargetRules Target) : base(Target) + { + PCHUsage = ModuleRules.PCHUsageMode.UseExplicitOrSharedPCHs; + + PublicIncludePaths.AddRange( + new string[] { + // ... add public include paths required here ... + } + ); + + + PrivateIncludePaths.AddRange( + new string[] { + // ... add other private include paths required here ... + } + ); + + + PublicDependencyModuleNames.AddRange( + new string[] + { + "Core", + // ... add other public dependencies that you statically link with here ... + } + ); + + + PrivateDependencyModuleNames.AddRange( + new string[] + { + "CoreUObject", + "Engine", + "Slate", + "SlateCore", + "ProceduralMeshComponent", + // ... add private dependencies that you statically link with here ... + } + ); + + + DynamicallyLoadedModuleNames.AddRange( + new string[] + { + // ... add any modules that your module loads dynamically here ... + } + ); + } +} diff --git a/Voxel.uplugin b/Voxel.uplugin new file mode 100644 index 0000000..4ebeb71 --- /dev/null +++ b/Voxel.uplugin @@ -0,0 +1,30 @@ +{ + "FileVersion": 3, + "Version": 1, + "VersionName": "1.0", + "FriendlyName": "Voxel", + "Description": "", + "Category": "Other", + "CreatedBy": "_Redstone_c_", + "CreatedByURL": "", + "DocsURL": "", + "MarketplaceURL": "", + "SupportURL": "", + "CanContainContent": true, + "IsBetaVersion": false, + "IsExperimentalVersion": false, + "Installed": false, + "Modules": [ + { + "Name": "Voxel", + "Type": "Runtime", + "LoadingPhase": "Default" + } + ], + "Plugins": [ + { + "Name": "ProceduralMeshComponent", + "Enabled": true + } + ] +} \ No newline at end of file