public TerrainDrawStreaming(int maximumLength, int meshSize, ComputeShader transformShader)
{
current = this;
if (meshSize % 2 != 0)
{
Debug.LogError("Terrain panel's size should be even number!");
meshSize++;
}
this.meshSize = meshSize;
//Initialize Mesh and triangles
int vertexCount = meshSize + 1;
vertSize = vertexCount;
heightMapSize = vertSize * vertSize;
NativeArray <float2> terrainVertexArray = new NativeArray <float2>(vertexCount * vertexCount, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
float2 *arrPtr = terrainVertexArray.Ptr();
for (int x = 0; x < vertexCount; ++x)
{
for (int y = 0; y < vertexCount; ++y)
{
arrPtr[y * vertexCount + x] = new float2(x, y) / meshSize - new float2(0.5f, 0.5f);
}
}
verticesBuffer = new ComputeBuffer(terrainVertexArray.Length, sizeof(float2));
verticesBuffer.SetData(terrainVertexArray);
heightMapBuffer = new ComputeBuffer(maximumLength * (vertexCount * vertexCount), sizeof(float));
NativeArray <int> triangles = new NativeArray <int>(6 * meshSize * meshSize, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
int *trianglePtr = triangles.Ptr();
for (int x = 0, count = 0; x < meshSize; ++x)
{
for (int y = 0; y < meshSize; ++y)
{
int4 indices = new int4(vertexCount * y + x, vertexCount * (y + 1) + x, vertexCount * y + (x + 1), vertexCount * (y + 1) + (x + 1));
trianglePtr[count] = indices.x;
trianglePtr[count + 1] = indices.y;
trianglePtr[count + 2] = indices.z;
trianglePtr[count + 3] = indices.y;
trianglePtr[count + 4] = indices.w;
trianglePtr[count + 5] = indices.z;
count += 6;
}
}
triangleBuffer = new ComputeBuffer(triangles.Length, sizeof(int));
triangleBuffer.SetData(triangles);
triangles.Dispose();
terrainVertexArray.Dispose();
removebuffer = new ComputeBuffer(100, sizeof(int2));
//Initialize indirect
clusterBuffer = new ComputeBuffer(maximumLength, sizeof(TerrainPanel));
referenceBuffer = new NativeList <ulong>(maximumLength, Allocator.Persistent);
this.transformShader = transformShader;
resultBuffer = new ComputeBuffer(maximumLength, sizeof(int));
instanceCountBuffer = new ComputeBuffer(5, sizeof(int), ComputeBufferType.IndirectArguments);
NativeArray <int> indirect = new NativeArray <int>(5, Allocator.Temp, NativeArrayOptions.ClearMemory);
indirect[0] = triangleBuffer.count;
instanceCountBuffer.SetData(indirect);
indirect.Dispose();
notUsedHeightmapIndices = new NativeList <int>(maximumLength, Allocator.Persistent);
for (int i = 0; i < maximumLength; ++i)
{
notUsedHeightmapIndices.Add(i);
}
}
public void RemoveQuadTrees(NativeList <ulong> removeList)
{
void ErasePoint(TerrainQuadTree.QuadTreeNode *node)
{
node->listPosition = -1;
notUsedHeightmapIndices.Add(node->panel.heightMapIndex);
}
int length = removeList.Length;
TerrainQuadTree.QuadTreeNode **tree = (TerrainQuadTree.QuadTreeNode * *)removeList.unsafePtr;
int targetLength = referenceBuffer.Length - length;
int len = 0;
if (targetLength <= 0)
{
for (int i = 0; i < length; ++i)
{
ErasePoint(tree[i]);
}
referenceBuffer.Clear();
return;
}
for (int i = 0; i < length; ++i)
{
TerrainQuadTree.QuadTreeNode *currentNode = tree[i];
if (currentNode->listPosition >= targetLength)
{
referenceBuffer[currentNode->listPosition] = 0;
ErasePoint(currentNode);
}
}
NativeArray <int2> transformList = new NativeArray <int2>(length, Allocator.Temp, NativeArrayOptions.UninitializedMemory);
int2 *transformPtr = transformList.Ptr();
len = 0;
int currentIndex = referenceBuffer.Length - 1;
for (int i = 0; i < length; ++i)
{
TerrainQuadTree.QuadTreeNode *treeNode = tree[i];
if (treeNode->listPosition < 0)
{
continue;
}
while (referenceBuffer[currentIndex] == 0)
{
currentIndex--;
if (currentIndex < 0)
{
goto FINALIZE;
}
}
TerrainQuadTree.QuadTreeNode *lastNode = (TerrainQuadTree.QuadTreeNode *)referenceBuffer[currentIndex];
currentIndex--;
transformPtr[len] = new int2(treeNode->listPosition, lastNode->listPosition);
len++;
lastNode->listPosition = treeNode->listPosition;
referenceBuffer[lastNode->listPosition] = (ulong)lastNode;
ErasePoint(treeNode);
}
FINALIZE:
referenceBuffer.RemoveLast(length);
if (len <= 0)
{
return;
}
if (len > removebuffer.count)
{
removebuffer.Dispose();
removebuffer = new ComputeBuffer(len, sizeof(int2));
}
removebuffer.SetData(transformList, 0, 0, len);
transformShader.SetBuffer(0, ShaderIDs._IndexBuffer, removebuffer);
transformShader.SetBuffer(0, ShaderIDs.clusterBuffer, clusterBuffer);
ComputeShaderUtility.Dispatch(transformShader, 0, len);
transformList.Dispose();
}
public void GenerateAsync(bool listCommand = true)
{
clusterBuffer = new NativeArray <CullBox>(property.clusterCount, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
pointsBuffer = new NativeArray <Point>(property.clusterCount * PipelineBaseBuffer.CLUSTERCLIPCOUNT, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
indicesBuffer = new NativeArray <int>(property.clusterCount, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
NativeList <ulong> pointerContainer = SceneController.pointerContainer;
pointerContainer.AddCapacityTo(pointerContainer.Length + indicesBuffer.Length);
CullBox * clusterData = clusterBuffer.Ptr();
Point * verticesData = pointsBuffer.Ptr();
const string infosPath = "Assets/BinaryData/MapInfos/";
const string pointsPath = "Assets/BinaryData/MapPoints/";
MStringBuilder sb = new MStringBuilder(pointsPath.Length + property.name.Length + ".mpipe".Length);
allStrings[0] = infosPath;
allStrings[1] = property.name;
allStrings[2] = ".mpipe";
sb.Combine(allStrings);
// FileStream fileStream = new FileStream(sb.str, FileMode.Open, FileAccess.Read);
using (FileStream reader = new FileStream(sb.str, FileMode.Open, FileAccess.Read))
{
int length = (int)reader.Length;
byte[] bytes = GetByteArray(length);
reader.Read(bytes, 0, length);
fixed(byte *b = bytes)
{
UnsafeUtility.MemCpy(clusterData, b, length);
}
}
allStrings[0] = pointsPath;
sb.Combine(allStrings);
using (FileStream reader = new FileStream(sb.str, FileMode.Open, FileAccess.Read))
{
int length = (int)reader.Length;
byte[] bytes = GetByteArray(length);
reader.Read(bytes, 0, length);
fixed(byte *b = bytes)
{
UnsafeUtility.MemCpy(verticesData, b, length);
}
}
int *indicesPtr = indicesBuffer.Ptr();
LoadingCommandQueue commandQueue = SceneController.commandQueue;
for (int i = 0; i < indicesBuffer.Length; ++i)
{
indicesPtr[i] = pointerContainer.Length;
pointerContainer.Add((ulong)(indicesPtr + i));
}
LoadTextures();
propertiesPool = SceneController.commonData.GetPropertyIndex(property.properties.Length);
uint *poolPtr = propertiesPool.Ptr();
lightmapIndices = new NativeArray <int>(allLightmapDatas.Count, Allocator.Persistent, NativeArrayOptions.UninitializedMemory);
int *ptr = lightmapIndices.Ptr();
for (int i = 0; i < lightmapIndices.Length; ++i)
{
ptr[i] = allLightmapDatas[i].index;
}
if (listCommand)
{
lock (commandQueue)
{
commandQueue.Queue(GenerateRun());
}
}
}
public static void ReleaseRTAfterFrame(int targetRT)
{
waitReleaseRT.Add(targetRT);
}
public void Awake(MonoBehaviour behavior)
{
current = this;
addList = new NativeList <ulong>(10, Allocator.Persistent);
this.behavior = behavior;
baseBuffer = new PipelineBaseBuffer();
clusterResources = Resources.Load <ClusterMatResources>("MapMat/" + mapResources);
int clusterCount = 0;
allScenes = new List <SceneStreaming>(clusterResources.clusterProperties.Count);
foreach (var i in clusterResources.clusterProperties)
{
clusterCount += i.clusterCount;
allScenes.Add(new SceneStreaming(i));
}
PipelineFunctions.InitBaseBuffer(baseBuffer, clusterResources, mapResources, clusterCount);
pointerContainer = new NativeList <ulong>(clusterCount, Allocator.Persistent);
commandQueue = new LoadingCommandQueue();
RenderTextureDescriptor desc = new RenderTextureDescriptor
{
autoGenerateMips = false,
bindMS = false,
colorFormat = RenderTextureFormat.ARGB32,
depthBufferBits = 0,
dimension = TextureDimension.Tex2DArray,
enableRandomWrite = false,
height = resolution,
width = resolution,
memoryless = RenderTextureMemoryless.None,
msaaSamples = 1,
vrUsage = VRTextureUsage.None,
volumeDepth = texArrayCapacity,
shadowSamplingMode = ShadowSamplingMode.None,
sRGB = false,
useMipMap = false
};
commonData = new SceneCommonData
{
texDict = new Dictionary <string, SceneCommonData.TextureIdentifier>(),
avaiableProperties = new NativeList <int>(propertyCapacity, Allocator.Persistent),
avaiableTexs = new NativeList <int>(texArrayCapacity, Allocator.Persistent),
texCopyBuffer = new ComputeBuffer(resolution * resolution, sizeof(int)),
propertyBuffer = new ComputeBuffer(propertyCapacity, sizeof(PropertyValue)),
copyTextureMat = new Material(RenderPipeline.current.resources.copyShader),
texArray = new RenderTexture(desc),
clusterMaterial = new Material(RenderPipeline.current.resources.clusterRenderShader),
terrainMaterial = new Material(RenderPipeline.current.resources.terrainShader),
terrainDrawStreaming = new TerrainDrawStreaming(100, 16, RenderPipeline.current.resources.terrainCompute)
};
commonData.clusterMaterial.SetBuffer(ShaderIDs._PropertiesBuffer, commonData.propertyBuffer);
commonData.clusterMaterial.SetTexture(ShaderIDs._MainTex, commonData.texArray);
commonData.copyTextureMat.SetVector("_TextureSize", new Vector4(resolution, resolution));
commonData.copyTextureMat.SetBuffer("_TextureBuffer", commonData.texCopyBuffer);
for (int i = 0; i < propertyCapacity; ++i)
{
commonData.avaiableProperties.Add(i);
}
for (int i = 0; i < texArrayCapacity; ++i)
{
commonData.avaiableTexs.Add(i);
}
testNodeArray = new NativeList <ulong>(terrainTransforms.Length, Allocator.Persistent);
foreach (var i in terrainTransforms)
{
TerrainQuadTree.QuadTreeNode *testNode = (TerrainQuadTree.QuadTreeNode *)UnsafeUtility.Malloc(sizeof(TerrainQuadTree.QuadTreeNode), 16, Allocator.Persistent);
testNode->listPosition = -1;
ref TerrainPanel panel = ref testNode->panel;
if (i.localScale.x > 1.1f)
{
panel.edgeFlag = 0;
}
else
{
panel.edgeFlag = 15;
}
panel.extent = i.localScale * 0.5f;
panel.position = i.position;
panel.textureIndex = 0;
panel.heightMapIndex = 0;
testNodeArray.Add((ulong)testNode);
}
