public async Task <List <Grass2TypeWithIntensity> > GenerateMapsAsync(MyRectangle queryArea)
{
var habitatTextureSize = new IntVector2(
Mathf.CeilToInt(queryArea.Width / _configuration.HabitatSamplingUnit),
Mathf.CeilToInt(queryArea.Height / _configuration.HabitatSamplingUnit)
);
var habitatTexturesDict =
await _habitatTexturesGenerator.GenerateHabitatTextures(queryArea, habitatTextureSize);
if (!habitatTexturesDict.Any())
{
return(new List <Grass2TypeWithIntensity>());
}
UvdSizedTexture pathProximityTexture = await _pathProximityTextureDb.Query(queryArea);
var toReturn = await _habitatToGrassIntensityMapGenerator.GenerateGrassIntenstiyAsync(queryArea,
habitatTexturesDict, habitatTextureSize, pathProximityTexture);
return(toReturn);
}
public async Task <List <Grass2TypeWithIntensity> > GenerateGrassIntenstiyAsync(
MyRectangle generationArea,
Dictionary <HabitatType, Texture2D> habitatTexturesDict,
IntVector2 habitatTexturesSize,
UvdSizedTexture pathProximityTexture)
{
var generatedGrassTypes = _configuration.GrassTypeToSourceHabitats
.Where(c => c.Value.Any(k => habitatTexturesDict.ContainsKey(k))).Select(c => c.Key).ToList();
if (!generatedGrassTypes.Any())
{
Debug.Log("W34 Returning empty grass intensity, Because of OutGrassTypes from habitats: " +
StringUtils.ToString(habitatTexturesDict.Keys));
return(new List <Grass2TypeWithIntensity>());
}
////////
var usedGrassTypesPositions = CreateUsedGrassTypesPositions(generatedGrassTypes);
var usedHabitatTypesPositions = CreateUsedHabitatTypesPositions(habitatTexturesDict);
if (!usedHabitatTypesPositions.Any())
{
Debug.Log("W34 Returning empty grass intensity, Because of In habitatTypes, from habitats: " +
StringUtils.ToString(habitatTexturesDict.Keys));
return(new List <Grass2TypeWithIntensity>());
}
//////
var habitatTextureArray = await CreateHabitatTexture2DArrayAsync(habitatTexturesDict, habitatTexturesSize);
//////
var outFigureSize = new IntVector2(
Mathf.CeilToInt(generationArea.Width * _configuration.OutputPixelsPerUnit),
Mathf.CeilToInt(generationArea.Height * _configuration.OutputPixelsPerUnit)
);
ComputeShaderParametersContainer parametersContainer = new ComputeShaderParametersContainer();
MultistepComputeShader habitatToGrassShader =
new MultistepComputeShader(_computeShaderContainer.HabitatToGrassTypeShader, outFigureSize);
var usedKernelNames = generatedGrassTypes.Select(c => HabitatToGrassUtils.GrassTypeToKernelName[c])
.ToList();
var usedKernels = usedKernelNames.Select(c => habitatToGrassShader.AddKernel(c)).ToList();
var usedGrassTypesPositionsBuffer =
parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
Count = usedGrassTypesPositions.Length,
BufferData = usedGrassTypesPositions,
Stride = 4,
Type = ComputeBufferType.Default
});
habitatToGrassShader.SetBuffer("OutputGrassTypePositions", usedGrassTypesPositionsBuffer, usedKernels);
var usedHabitatTypesPositionsBuffer =
parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
Count = usedHabitatTypesPositions.Length,
BufferData = usedHabitatTypesPositions,
Stride = 4,
Type = ComputeBufferType.Default
});
habitatToGrassShader.SetBuffer("InputHabitatTypePositions", usedHabitatTypesPositionsBuffer, usedKernels);
var outIntensitiesBuffer = parametersContainer.AddComputeBufferTemplate(new MyComputeBufferTemplate()
{
Count = outFigureSize.X * outFigureSize.Y * generatedGrassTypes.Count,
Type = ComputeBufferType.Default,
Stride = 4
});
habitatToGrassShader.SetBuffer("OutIntensityBuffer", outIntensitiesBuffer, usedKernels);
var habitatTextureArrayInShader = parametersContainer.AddExistingComputeShaderTexture(habitatTextureArray);
habitatToGrassShader.SetTexture("HabitatTexturesArray", habitatTextureArrayInShader, usedKernels);
var pathProximityTextureInShader =
parametersContainer.AddExistingComputeShaderTexture(pathProximityTexture.TextureWithSize.Texture);
habitatToGrassShader.SetTexture("PathProximityTexture", pathProximityTextureInShader, usedKernels);
habitatToGrassShader.SetGlobalUniform("g_Coords", generationArea.ToVector4());
habitatToGrassShader.SetGlobalUniform("g_PathProximityUv", pathProximityTexture.Uv.ToVector4());
habitatToGrassShader.SetGlobalUniform("g_OutTextureSize", outFigureSize.ToFloatVec());
habitatToGrassShader.SetGlobalUniform("g_MaxProximity", _configuration.MaxProximity);
ComputeBufferRequestedOutParameters outParameters = new ComputeBufferRequestedOutParameters(
requestedBufferIds: new List <MyComputeBufferId>()
{
outIntensitiesBuffer
});
await _shaderExecutorObject.AddOrder(new ComputeShaderOrder()
{
OutParameters = outParameters,
ParametersContainer = parametersContainer,
WorkPacks = new List <ComputeShaderWorkPack>()
{
new ComputeShaderWorkPack()
{
DispatchLoops = new List <ComputeShaderDispatchLoop>()
{
new ComputeShaderDispatchLoop()
{
DispatchCount = 1,
KernelHandles = usedKernels
}
},
Shader = habitatToGrassShader
}
}
});
var outIntensitiesNativeArray = await _commonExecutor.AddAction(() =>
{
var array = new float[outFigureSize.X *outFigureSize.Y *generatedGrassTypes.Count];
outParameters.RetriveBuffer(outIntensitiesBuffer).GetData(array);
//DebugCreateTexture(array, generationArea, outFigureSize, generatedGrassTypes.Count);
return(array);
});
return(RetriveIntensityFiguresFromTextureArray(outIntensitiesNativeArray, generatedGrassTypes,
outFigureSize));
}