public async Task <TextureWithSize> GenerateHeightDetailElementAsync(MyRectangle requestedArea,
TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus)
{
var textureWithSize = await RetriveFoundationTextureAsync(requestedArea, resolution, cornersMergeStatus);
var workTexture = new TextureWithCoords(sizedTexture: textureWithSize, coords: requestedArea);
foreach (var applier in _featureAppliers.Where(c => c.AvalibleResolutions.Contains(resolution))
.OrderBy(c => c.Rank))
{
workTexture = await applier.Applier.ApplyFeatureAsync(workTexture, resolution, false); //todo
var localTexture = workTexture;
await _commonExecutor.AddAction(() => localTexture.Texture.wrapMode = TextureWrapMode.Clamp);
}
var textureWithMipMaps = await GenerateTextureWithMipMapsAsync(new TextureWithSize()
{
Size = textureWithSize.Size,
Texture = workTexture.Texture
});
return(new TextureWithSize()
{
Size = textureWithSize.Size,
Texture = textureWithMipMaps
});
}
public override async Task <TerrainDetailElementOutput> RetriveTerrainDetailAsync(
TerrainDescriptionElementTypeEnum type, MyRectangle queryArea,
TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus)
{
TerrainDetailElement detailElement = null;
CornersMergeStatus status = CornersMergeStatus.MERGED;
if (cornersMergeStatus == RequiredCornersMergeStatus.NOT_MERGED)
{
status = CornersMergeStatus.NOT_MERGED;
}
if (type == TerrainDescriptionElementTypeEnum.HEIGHT_ARRAY)
{
detailElement = await _provider.GenerateHeightDetailElementAsync(queryArea, resolution, status);
}
else if (type == TerrainDescriptionElementTypeEnum.NORMAL_ARRAY)
{
detailElement = await _provider.GenerateNormalDetailElementAsync(queryArea, resolution, status);
}
else
{
Preconditions.Fail("Not supported type: " + type);
}
return(new TerrainDetailElementOutput()
{
TokenizedElement = new TokenizedTerrainDetailElement()
{
DetailElement = detailElement,
Token = null
},
UvBase = null
});
}
public async Task<TerrainDescriptionOutput> QueryAsync(TerrainDescriptionQuery query)
{
Dictionary<TerrainDescriptionElementTypeEnum, TerrainDetailElementOutput> elementsDict =
new Dictionary<TerrainDescriptionElementTypeEnum, TerrainDetailElementOutput>();
var queryArea = query.QueryArea;
foreach (var elementDetail in query.RequestedElementDetails)
{
elementDetail.Resolution = TerrainCardinalResolution.ToSingletonResolution(elementDetail.Resolution);
AssertResolutionIsCompilant(queryArea, elementDetail.Resolution);
var type = elementDetail.Type;
TerrainDetailElementOutput element = null;
if (type == TerrainDescriptionElementTypeEnum.HEIGHT_ARRAY)
{
element = await RetriveHeightArrayAsync(queryArea, elementDetail.Resolution, elementDetail.RequiredMergeStatus);
//Debug.Log("E651: " + query.QueryArea+ $" and outUV is {element.UvBase}");
}
else if (type == TerrainDescriptionElementTypeEnum.NORMAL_ARRAY)
{
element = await RetriveNormalArrayAsync(queryArea, elementDetail.Resolution, elementDetail.RequiredMergeStatus);
}
else
{
Preconditions.Fail("Tesselation map unsupported!!!");
}
elementsDict[type] = element;
}
return new TerrainDescriptionOutput(elementsDict);
}
public static MyRectangle GetAlignedTerrainArea(IntVector2 griddedArea,
TerrainCardinalResolution cardinalResolution, int terrainDetailImageSideResolution)
{
var alignLength = cardinalResolution.DetailResolution.MetersPerPixel * terrainDetailImageSideResolution;
return(new MyRectangle(griddedArea.X * alignLength, griddedArea.Y * alignLength, alignLength, alignLength));
}
private async Task <TerrainDetailElement> GenerateTerrainDetailElementAsync(
MyRectangle queryArea, TerrainCardinalResolution cardinalResolution, CornersMergeStatus requiredMerge,
Func <MyRectangle, TerrainCardinalResolution, TextureWithSize, Task <TextureWithSize> > cornerMergingFunc,
Func <MyRectangle, TerrainCardinalResolution, RequiredCornersMergeStatus, Task <TextureWithSize> > generateElementFunc
)
{
var newTerrainArea = _alignmentCalculator.ComputeAlignedTerrainArea(queryArea, cardinalResolution);
RetrivedTerrainDetailTexture texture = null;
CornersMergeStatus outCornersMergeStatus;
TextureWithSize outTexture = null;
var baseTexture = await generateElementFunc(newTerrainArea, cardinalResolution, RequiredCornersMergeStatus.NOT_MERGED);
if (requiredMerge == CornersMergeStatus.NOT_MERGED)
{
outTexture = baseTexture;
outCornersMergeStatus = CornersMergeStatus.NOT_MERGED;
}
else
{
outTexture = await cornerMergingFunc(queryArea, cardinalResolution, baseTexture);
outCornersMergeStatus = CornersMergeStatus.MERGED;
}
return(new TerrainDetailElement()
{
DetailArea = newTerrainArea,
Resolution = cardinalResolution,
Texture = outTexture,
CornersMergeStatus = outCornersMergeStatus
});
}
public MyRectangle ComputeAlignedTerrainArea(MyRectangle queryArea,
TerrainCardinalResolution cardinalResolution)
{
var newTerrainArea = TerrainShapeUtils.GetAlignedTerrainArea(queryArea, cardinalResolution,
_terrainDetailImageSideDisjointResolution);
return(newTerrainArea);
}
public async Task <TerrainDetailElement> GenerateNormalDetailElementAsync(MyRectangle queryArea,
TerrainCardinalResolution cardinalResolution, CornersMergeStatus requiredMerge)
{
return(await GenerateTerrainDetailElementAsync(queryArea, cardinalResolution, requiredMerge,
((rectangle, resolution, textureWithSize) => TaskUtils.MyFromResult(textureWithSize)), // we do not have to merge normals - just generate normals from merged heightmap!
_generator.GenerateNormalDetailElementAsync
));
}
public static IntVector2 RetriveTextureSize(MyRectangle area, TerrainCardinalResolution resolution)
{
return(new IntVector2
(
Mathf.RoundToInt(area.Width * resolution.DetailResolution.PixelsPerMeter) + 1,
Mathf.RoundToInt(area.Width * resolution.DetailResolution.PixelsPerMeter) + 1
));
}
public static IntVector2 GetGriddedTerrainArea(MyRectangle alignedArea,
TerrainCardinalResolution cardinalResolution, int terrainDetailImageSideResolution)
{
var alignLength = cardinalResolution.DetailResolution.MetersPerPixel * terrainDetailImageSideResolution;
var startX = Mathf.RoundToInt(alignedArea.X / (float)alignLength);
var startY = Mathf.RoundToInt(alignedArea.Y / (float)alignLength);
return(new IntVector2(startX, startY));
}
public static MyRectangle GetAlignedTerrainArea(MyRectangle queryArea,
TerrainCardinalResolution cardinalResolution, int terrainDetailImageSideResolution)
{
var alignLength = cardinalResolution.DetailResolution.MetersPerPixel * terrainDetailImageSideResolution;
var startX = Mathf.FloorToInt(queryArea.X / (float)alignLength) * alignLength;
var startY = Mathf.FloorToInt(queryArea.Y / (float)alignLength) * alignLength;
return(new MyRectangle(startX, startY, alignLength, alignLength));
}
public void AssertResolutionIsCompilant(MyRectangle queryArea,
TerrainCardinalResolution elementDetailResolution)
{
//in other words, it is not too big
var maxLength = elementDetailResolution.DetailResolution.MetersPerPixel *
_terrainDetailImageSideDisjointResolution;
Preconditions.Assert(queryArea.Width <= maxLength, "Too wide query area. Width is " + queryArea.Width);
Preconditions.Assert(queryArea.Height <= maxLength, "Too tall query area. Height is " + queryArea.Height);
}
private MyRectangle RetriveAlignedArea(Vector2 startPosition, TerrainCardinalResolution resolution)
{
var cellSize = TerrainDescriptionConstants.DetailCellSizesPerResolution[resolution];
return(new MyRectangle(
Mathf.FloorToInt(startPosition.x / cellSize) * cellSize,
Mathf.FloorToInt(startPosition.y / cellSize) * cellSize,
cellSize,
cellSize
));
}
private MyRectangle GetAlignedUv(MyRectangle queryArea,
TerrainCardinalResolution resolution)
{
float alignLength = TerrainDescriptionConstants.DetailCellSizesPerResolution[resolution];
var alignedBox = new MyRectangle(
Mathf.FloorToInt(queryArea.X / alignLength) * alignLength,
Mathf.FloorToInt(queryArea.Y / alignLength) * alignLength,
alignLength,
alignLength
);
return(RectangleUtils.CalculateSubelementUv(alignedBox, queryArea));
}
public async Task <TerrainDetailElement> GenerateHeightDetailElementAsync(MyRectangle queryArea,
TerrainCardinalResolution cardinalResolution, CornersMergeStatus requiredMerge)
{
Func <MyRectangle, TerrainCardinalResolution, TextureWithSize, Task <TextureWithSize> > cornerMergingFunc = null;
if (_cornerMerger != null)
{
cornerMergingFunc = _cornerMerger.MergeHeightDetailCorners;
}
return(await GenerateTerrainDetailElementAsync(queryArea, cardinalResolution, requiredMerge,
cornerMergingFunc,
_generator.GenerateHeightDetailElementAsync
));
}
public override async Task <TerrainDetailElementOutput> RetriveTerrainDetailAsync(
TerrainDescriptionElementTypeEnum type, MyRectangle queryArea,
TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus)
{
var queryOutput = await _db.QueryAsync(new TerrainDescriptionQuery()
{
QueryArea = queryArea,
RequestedElementDetails = new List <TerrainDescriptionQueryElementDetail>()
{
new TerrainDescriptionQueryElementDetail()
{
Resolution = resolution,
Type = type,
RequiredMergeStatus = cornersMergeStatus
}
}
});
return(queryOutput.GetElementOfType(type));
}
private async Task <TextureWithSize> RetriveFoundationTextureAsync(MyRectangle requestedArea,
TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus)
{
Texture fundationTexture = null;
MyRectangle renderCoords = null;
TerrainDetailElementToken retrivedElementToken = null;
if (resolution == TerrainCardinalResolution.MIN_RESOLUTION)
{
fundationTexture = _fullFundationTextureData.Texture;
renderCoords =
TerrainShapeUtils.ComputeUvOfSubElement(requestedArea, _fullFundationTextureData.Coords);
}
else
{
var lowerResolution = resolution.LowerResolution;
var fundationQueryArea = TerrainShapeUtils.GetAlignedTerrainArea(requestedArea, lowerResolution,
_configuration.TerrainDetailImageSideDisjointResolution);
var foundationOutput = await _baseTerrainDetailProvider.RetriveTerrainDetailAsync(
TerrainDescriptionElementTypeEnum.HEIGHT_ARRAY, fundationQueryArea, lowerResolution, cornersMergeStatus);
retrivedElementToken = foundationOutput.TokenizedElement.Token;
var fundationDetailElement = foundationOutput.TokenizedElement.DetailElement;
renderCoords =
TerrainShapeUtils.ComputeUvOfSubElement(requestedArea, fundationDetailElement.DetailArea);
fundationTexture = fundationDetailElement.Texture.Texture;
await _commonExecutor.AddAction(() => fundationTexture.filterMode = FilterMode.Bilinear);
}
IntVector2 outTextureSize = TerrainShapeUtils.RetriveTextureSize(requestedArea, resolution);
UniformsPack pack = new UniformsPack();
pack.SetTexture("_SourceTexture", fundationTexture);
ConventionalTextureInfo outTextureInfo =
new ConventionalTextureInfo(outTextureSize.X, outTextureSize.Y, TextureFormat.ARGB32, true);
TextureRenderingTemplate template = new TextureRenderingTemplate()
{
CanMultistep = false,
Coords = renderCoords,
OutTextureInfo = outTextureInfo,
RenderTextureFormat = RenderTextureFormat.RFloat,
ShaderName = "Custom/TerGen/Cutting",
UniformPack = pack,
CreateTexture2D = false
};
var outTex = await _rendererProxy.AddOrder(template);
await _commonExecutor.AddAction(() => outTex.wrapMode = TextureWrapMode.Clamp);
if (retrivedElementToken != null)
{
await _baseTerrainDetailProvider.RemoveTerrainDetailAsync(retrivedElementToken);
}
return(new TextureWithSize()
{
Size = outTextureSize,
Texture = outTex
});
}
private async Task<TerrainDetailElementOutput> RetriveNormalArrayAsync(MyRectangle queryArea, TerrainCardinalResolution resolution, RequiredCornersMergeStatus requiredMerge) //todo
{
var alignedArea = _alignmentCalculator.ComputeAlignedTerrainArea(queryArea, resolution);
return GenerateOutput( await _cachedTerrainDetailProvider.GenerateNormalDetailElementAsync(alignedArea, resolution, requiredMerge), queryArea);
}
private void AssertResolutionIsCompilant(MyRectangle queryArea,
TerrainCardinalResolution elementDetailResolution)
{
_alignmentCalculator.AssertResolutionIsCompilant(queryArea, elementDetailResolution);
}
public static TerrainCardinalResolution ToSingletonResolution(TerrainCardinalResolution oldResolution)
{
return(AllResolutions.First(c => Equals(c._detailResolution, oldResolution._detailResolution)));
}
public abstract Task <TerrainDetailElementOutput> RetriveTerrainDetailAsync(
TerrainDescriptionElementTypeEnum type, MyRectangle queryArea, TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus);
public async Task <TextureWithSize> GenerateNormalDetailElementAsync(MyRectangle requestedArea,
TerrainCardinalResolution resolution, RequiredCornersMergeStatus cornersMergeStatus)
{
var baseHeightTextureOutput =
await _baseTerrainDetailProvider.RetriveTerrainDetailAsync(
TerrainDescriptionElementTypeEnum.HEIGHT_ARRAY, requestedArea, resolution, cornersMergeStatus);
var baseHeightTexture = baseHeightTextureOutput.TokenizedElement.DetailElement;
IntVector2 outTextureSize = TerrainShapeUtils.RetriveTextureSize(requestedArea, resolution);
UniformsPack pack = new UniformsPack();
float heightMultiplier = 0;
if (resolution == TerrainCardinalResolution.MIN_RESOLUTION)
{
heightMultiplier = 1.25f;
}
else if (resolution == TerrainCardinalResolution.MID_RESOLUTION)
{
heightMultiplier = 10f;
}
else
{
heightMultiplier = 80f;
}
pack.SetTexture("_HeightmapTex", baseHeightTexture.Texture.Texture);
//pack.SetUniform("_HeightMultiplier", heightMultiplier);
pack.SetUniform("_HeightMultiplier", 1);
pack.SetUniform("_GlobalCoords", requestedArea.ToVector4());
ConventionalTextureInfo outTextureInfo =
new ConventionalTextureInfo(outTextureSize.X, outTextureSize.Y, TextureFormat.ARGB32, true);
var renderCoords =
TerrainShapeUtils.ComputeUvOfSubElement(requestedArea, baseHeightTexture.DetailArea);
TextureRenderingTemplate template = new TextureRenderingTemplate()
{
CanMultistep = false,
Coords = renderCoords,
OutTextureInfo = outTextureInfo,
RenderTextureFormat = RenderTextureFormat.ARGB32,
ShaderName = "Custom/Terrain/NormalmapGenerator",
UniformPack = pack,
CreateTexture2D = false
};
var outTex = await _rendererProxy.AddOrder(template);
await _commonExecutor.AddAction(() => outTex.filterMode = FilterMode.Trilinear);
await _baseTerrainDetailProvider.RemoveTerrainDetailAsync(baseHeightTextureOutput.TokenizedElement.Token);
//SavingFileManager.SaveTextureToPngFile(@"C:\temp\norm1.png", outTex as Texture2D);
return(new TextureWithSize()
{
Size = new IntVector2(outTextureSize.X, outTextureSize.Y),
Texture = outTex
});
}
public MyRectangle GetAlignedTerrainArea(IntVector2 griddedArea, TerrainCardinalResolution cardinalResolution)
{
return(TerrainShapeUtils.GetAlignedTerrainArea(griddedArea, cardinalResolution,
_terrainDetailImageSideDisjointResolution));
}
public MyRectangle GetAlignedTerrainArea(MyRectangle queryArea, TerrainCardinalResolution cardinalResolution)
{
return(TerrainShapeUtils.GetAlignedTerrainArea(queryArea, cardinalResolution,
_terrainDetailImageSideDisjointResolution));
}
