protected override void OnEnableFunc()
{
if (current && current != this)
{
enabled = false;
Debug.LogError("Only One Terrain allowed!");
return;
}
current = this;
int indexMapSize = 1;
for (int i = 1; i < lodDistances.Length; ++i)
{
indexMapSize *= 2;
}
indexMapSize *= chunkCount;
NativeArray <VirtualTextureFormat> allFormats = new NativeArray <VirtualTextureFormat>(4, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
allFormats[0] = new VirtualTextureFormat(VirtualTextureSize.x512, RenderTextureFormat.RHalf, "_VirtualHeightMap");
allFormats[1] = new VirtualTextureFormat(VirtualTextureSize.x1024, RenderTextureFormat.ARGB32, "_VirtualAlbedoMap");
allFormats[2] = new VirtualTextureFormat(VirtualTextureSize.x1024, RenderTextureFormat.ARGB32, "_VirtualNormalMap");
allFormats[3] = new VirtualTextureFormat(VirtualTextureSize.x1024, RenderTextureFormat.ARGB32, "_VirtualSMOMap");
virtualTexture = new VirtualTexture(129, indexMapSize, allFormats);
allFormats.Dispose();
InitializeMesh();
dispatchDrawBuffer = new ComputeBuffer(5, sizeof(int), ComputeBufferType.IndirectArguments);
const int INIT_LENGTH = 500;
culledResultsBuffer = new ComputeBuffer(INIT_LENGTH, sizeof(int));
loadedBuffer = new ComputeBuffer(INIT_LENGTH, sizeof(TerrainChunkBuffer));
loadedBufferList = new NativeList <TerrainChunkBuffer>(INIT_LENGTH, Allocator.Persistent);
shader = Resources.Load <ComputeShader>("TerrainCompute");
NativeArray <uint> dispatchDraw = new NativeArray <uint>(5, Allocator.Temp, NativeArrayOptions.ClearMemory);
dispatchDraw[0] = (uint)meshBuffer.count;
dispatchDrawBuffer.SetData(dispatchDraw);
allTrees = new Native2DArray <TerrainQuadTree>(chunkCount, Allocator.Persistent, true);
setting = new TerrainQuadTreeSettings
{
allLodLevles = new NativeList_Float(lodDistances.Length + 1, Allocator.Persistent),
largestChunkSize = chunkSize,
screenOffset = chunkOffset
};
for (int i = 0; i < lodDistances.Length; ++i)
{
setting.allLodLevles.Add(min(lodDistances[max(0, i - 1)], lodDistances[i]));
setting.allLodLevles[i] *= setting.allLodLevles[i];
}
setting.allLodLevles[lodDistances.Length] = 0;
int2 len = allTrees.Length;
for (int x = 0; x < len.x; ++x)
{
for (int y = 0; y < len.y; ++y)
{
allTrees[int2(x, y)] = new TerrainQuadTree(-1, setting.Ptr(), TerrainQuadTree.LocalPos.LeftDown, 0, int2(x, y));
}
}
}
protected override void OnEnableFunc()
{
if (current && current != this)
{
enabled = false;
Debug.LogError("Only One Terrain allowed!");
return;
}
current = this;
//virtualTexture = new VirtualTexture()
basicChunkSize = (float)(chunkSize / pow(2.0, max(1, lodDistances.Length)));
InitializeMesh();
dispatchDrawBuffer = new ComputeBuffer(5, sizeof(int), ComputeBufferType.IndirectArguments);
removeIndexBuffer = new ComputeBuffer(10, sizeof(int2));
const int INIT_LENGTH = 200;
culledResultsBuffer = new ComputeBuffer(INIT_LENGTH, sizeof(int));
loadedBuffer = new ComputeBuffer(INIT_LENGTH, sizeof(TerrainChunkBuffer));
loadedBufferList = new NativeList <TerrainChunkBuffer>(INIT_LENGTH, Allocator.Persistent);
shader = Resources.Load <ComputeShader>("TerrainCompute");
NativeArray <uint> dispatchDraw = new NativeArray <uint>(5, Allocator.Temp, NativeArrayOptions.ClearMemory);
dispatchDraw[0] = (uint)meshBuffer.count;
dispatchDrawBuffer.SetData(dispatchDraw);
allTrees = new Native2DArray <TerrainQuadTree>(chunkCount, Allocator.Persistent, true);
setting = new TerrainQuadTreeSettings
{
allLodLevles = new NativeList_Float(lodDistances.Length + 1, Allocator.Persistent),
largestChunkSize = chunkSize,
screenOffset = chunkOffset
};
for (int i = 0; i < lodDistances.Length; ++i)
{
setting.allLodLevles.Add(min(lodDistances[max(0, i - 1)], lodDistances[i]));
setting.allLodLevles[i] *= setting.allLodLevles[i];
}
setting.allLodLevles[lodDistances.Length] = 0;
int2 len = allTrees.Length;
for (int x = 0; x < len.x; ++x)
{
for (int y = 0; y < len.y; ++y)
{
allTrees[int2(x, y)] = new TerrainQuadTree(-1, setting.Ptr(), TerrainQuadTree.LocalPos.LeftDown, 0, int2(x, y));
}
}
}
/// <summary>
/// Init Virtual Texture
/// </summary>
/// <param name="perTextureSize">Virtual texture's basic size</param>
/// <param name="maximumSize">Virtual texture's array size</param>
/// <param name="indexSize">Index Texture's size</param>
/// <param name="formats">Each VT's format</param>
public VirtualTexture(int maximumSize, int indexSize, NativeArray <VirtualTextureFormat> formats)
{
allFormats = new NativeArray <VirtualTextureFormat>(formats.Length, Allocator.Persistent);
UnsafeUtility.MemCpy(allFormats.GetUnsafePtr(), formats.GetUnsafePtr(), sizeof(VirtualTextureFormat) * formats.Length);
shader = Resources.Load <ComputeShader>("VirtualTexture");
commandListBuffer = new ComputeBuffer(64, sizeof(SetIndexCommand));
indexBuffers = new Native2DArray <float4>(indexSize, Allocator.Persistent);
pool = new TexturePool(maximumSize);
indexTex = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = RenderTextureFormat.ARGBHalf,
depthBufferBits = 0,
dimension = TextureDimension.Tex2D,
enableRandomWrite = true,
width = indexSize,
height = indexSize,
volumeDepth = 1,
msaaSamples = 1
});
indexTex.filterMode = FilterMode.Point;
indexTex.Create();
textures = new RenderTexture[formats.Length];
for (int i = 0; i < formats.Length; ++i)
{
VirtualTextureFormat format = formats[i];
textures[i] = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = format.format,
depthBufferBits = 0,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = true,
width = (int)format.perElementSize,
height = (int)format.perElementSize,
volumeDepth = maximumSize,
msaaSamples = 1
});
textures[i].Create();
}
loadNewTexFrameCount = -1;
indexBuffers.SetAll(float4(0, 0, 0, -1));
}
public void Init(int2 perTextureSize, int maximumSize, int2 indexSize, NativeArray <RenderTextureFormat> formats)
{
commandListBuffer = new ComputeBuffer(64, sizeof(SetIndexCommand));
indexBuffers = new Native2DArray <float4>(indexSize, Allocator.Persistent);
pool = new TexturePool(maximumSize);
indexTex = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = RenderTextureFormat.ARGBHalf,
depthBufferBits = 0,
dimension = TextureDimension.Tex2D,
enableRandomWrite = true,
width = indexSize.x,
height = indexSize.y,
volumeDepth = 1,
msaaSamples = 1
});
indexTex.Create();
textures = new RenderTexture[formats.Length];
for (int i = 0; i < formats.Length; ++i)
{
textures[i] = new RenderTexture(new RenderTextureDescriptor
{
colorFormat = formats[i],
depthBufferBits = 0,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = true,
width = perTextureSize.x,
height = perTextureSize.y,
volumeDepth = maximumSize,
msaaSamples = 1
});
textures[i].Create();
}
loadNewTexFrameCount = -1;
indexBuffers.SetAll(float4(0, 0, 0, -1));
}
