internal TerrainPatch(
HeightMap heightMap,
Rectangle patchBounds,
GraphicsDevice graphicsDevice,
TerrainPatchIndexBufferCache indexBufferCache,
ResourceSet materialResourceSet)
{
Bounds = patchBounds;
_indexBuffer = indexBufferCache.GetIndexBuffer(
patchBounds.Width,
patchBounds.Height,
out var indices);
_numIndices = (uint)indices.Length;
_vertexBuffer = AddDisposable(CreateVertexBuffer(
graphicsDevice,
heightMap,
patchBounds,
indices,
out var boundingBox,
out var triangles));
BoundingBox = boundingBox;
Triangles = triangles;
_beforeRender = (cl, context) =>
{
cl.SetGraphicsResourceSet(4, materialResourceSet);
cl.SetVertexBuffer(0, _vertexBuffer);
};
}
internal TerrainPatch(
HeightMap heightMap,
Rectangle patchBounds,
GraphicsDevice graphicsDevice,
TerrainPatchIndexBufferCache indexBufferCache,
Material material)
{
Bounds = patchBounds;
_indexBuffer = indexBufferCache.GetIndexBuffer(
patchBounds.Width,
patchBounds.Height,
out var indices);
_numIndices = (uint)indices.Length;
_vertexBuffer = AddDisposable(CreateVertexBuffer(
graphicsDevice,
heightMap,
patchBounds,
indices,
out var boundingBox,
out var triangles));
BoundingBox = boundingBox;
Triangles = triangles;
_material = material;
_beforeRender = (CommandList cl, Graphics.Rendering.RenderContext context, in RenderItem renderItem) =>
{
cl.SetVertexBuffer(0, _vertexBuffer);
};
}
internal TerrainPatch(
HeightMap heightMap,
Rectangle patchBounds,
GraphicsDevice graphicsDevice,
TerrainPatchIndexBufferCache indexBufferCache,
Material material)
{
DebugName = $"Terrain_{Bounds}";
Bounds = patchBounds;
_indexBuffer = indexBufferCache.GetIndexBuffer(
patchBounds.Width,
patchBounds.Height,
out var indices);
_numIndices = (uint)indices.Length;
_vertexBuffer = AddDisposable(CreateVertexBuffer(
graphicsDevice,
heightMap,
patchBounds,
indices,
out var boundingBox,
out var triangles));
BoundingBox = boundingBox;
Triangles = triangles;
MaterialPass = new MaterialPass(material, null);
}
private List <TerrainPatch> CreatePatches(
GraphicsDevice graphicsDevice,
HeightMap heightMap,
TerrainPatchIndexBufferCache indexBufferCache,
ResourceSet materialResourceSet,
ResourceSet radiusCursorDecalsResourceSet,
Func <ResourceSet> causticsRendererCallback)
{
const int numTilesPerPatch = PatchSize - 1;
var heightMapWidthMinusOne = heightMap.Width - 1;
var numPatchesX = heightMapWidthMinusOne / numTilesPerPatch;
if (heightMapWidthMinusOne % numTilesPerPatch != 0)
{
numPatchesX += 1;
}
var heightMapHeightMinusOne = heightMap.Height - 1;
var numPatchesY = heightMapHeightMinusOne / numTilesPerPatch;
if (heightMapHeightMinusOne % numTilesPerPatch != 0)
{
numPatchesY += 1;
}
var patches = new List <TerrainPatch>();
for (var y = 0; y < numPatchesY; y++)
{
for (var x = 0; x < numPatchesX; x++)
{
var patchX = x * numTilesPerPatch;
var patchY = y * numTilesPerPatch;
var patchBounds = new Rectangle(
patchX,
patchY,
Math.Min(PatchSize, heightMap.Width - patchX),
Math.Min(PatchSize, heightMap.Height - patchY));
patches.Add(AddDisposable(new TerrainPatch(
heightMap,
patchBounds,
graphicsDevice,
indexBufferCache,
materialResourceSet,
radiusCursorDecalsResourceSet,
causticsRendererCallback)));
}
}
return(patches);
}
internal TerrainPatch(
HeightMap heightMap,
Rectangle patchBounds,
GraphicsDevice graphicsDevice,
TerrainPatchIndexBufferCache indexBufferCache,
ResourceSet materialResourceSet,
ResourceSet radiusCursorDecalsResourceSet,
Func <ResourceSet> causticsRendererCallback)
{
Bounds = patchBounds;
_indexBuffer = indexBufferCache.GetIndexBuffer(
patchBounds.Width,
patchBounds.Height,
out var indices);
_numIndices = (uint)indices.Length;
_vertexBuffer = AddDisposable(CreateVertexBuffer(
graphicsDevice,
heightMap,
patchBounds,
indices,
out var boundingBox,
out var triangles));
BoundingBox = boundingBox;
Triangles = triangles;
_beforeRender = (cl, context) =>
{
var isRender = context.Scene3D.Waters.IsRenderCaustics;
if (isRender)
{
var causticsResourceSet = causticsRendererCallback.Invoke();
cl.SetGraphicsResourceSet(4, causticsResourceSet);
}
else
{
cl.SetGraphicsResourceSet(4, materialResourceSet);
}
cl.SetGraphicsResourceSet(5, radiusCursorDecalsResourceSet);
cl.SetVertexBuffer(0, _vertexBuffer);
};
}
internal Terrain(MapFile mapFile, AssetLoadContext loadContext)
{
Map = mapFile;
HeightMap = new HeightMap(mapFile.HeightMapData);
_loadContext = loadContext;
_graphicsDevice = loadContext.GraphicsDevice;
_indexBufferCache = AddDisposable(new TerrainPatchIndexBufferCache(loadContext.GraphicsDevice));
var tileDataTexture = AddDisposable(CreateTileDataTexture(
loadContext.GraphicsDevice,
mapFile,
HeightMap));
var cliffDetailsBuffer = AddDisposable(CreateCliffDetails(
loadContext.GraphicsDevice,
mapFile));
CreateTextures(
loadContext,
mapFile.BlendTileData,
out var textureArray,
out var textureDetails);
var textureDetailsBuffer = AddDisposable(loadContext.GraphicsDevice.CreateStaticStructuredBuffer(textureDetails));
var terrainPipeline = loadContext.ShaderResources.Terrain.Pipeline;
_materialConstantsBuffer = AddDisposable(
new ConstantBuffer <TerrainShaderResources.TerrainMaterialConstants>(
loadContext.GraphicsDevice, "TerrainMaterialConstants"));
_materialConstantsBuffer.Value = new TerrainShaderResources.TerrainMaterialConstants
{
MapBorderWidth = new Vector2(mapFile.HeightMapData.BorderWidth, mapFile.HeightMapData.BorderWidth) * HeightMap.HorizontalScale,
MapSize = new Vector2(mapFile.HeightMapData.Width, mapFile.HeightMapData.Height) * HeightMap.HorizontalScale,
IsMacroTextureStretched = mapFile.EnvironmentData?.IsMacroTextureStretched ?? false
};
_materialConstantsBuffer.Update(loadContext.GraphicsDevice);
var macroTexture = loadContext.AssetStore.Textures.GetByName(mapFile.EnvironmentData?.MacroTexture ?? "tsnoiseurb.dds");
var casuticsTextures = BuildCausticsTextureArray(loadContext.AssetStore);
var materialResourceSet = AddDisposable(loadContext.ShaderResources.Terrain.CreateMaterialResourceSet(
_materialConstantsBuffer.Buffer,
tileDataTexture,
cliffDetailsBuffer ?? loadContext.StandardGraphicsResources.GetNullStructuredBuffer(TerrainShaderResources.CliffInfo.Size),
textureDetailsBuffer,
textureArray,
macroTexture,
casuticsTextures));
_material = AddDisposable(
new Material(
loadContext.ShaderResources.Terrain,
loadContext.ShaderResources.Terrain.Pipeline,
materialResourceSet));
CloudTexture = loadContext.AssetStore.Textures.GetByName(mapFile.EnvironmentData?.CloudTexture ?? "tscloudmed.dds");
OnHeightMapChanged();
}
internal Terrain(MapFile mapFile, AssetLoadContext loadContext)
{
Map = mapFile;
HeightMap = new HeightMap(mapFile.HeightMapData);
_graphicsDevice = loadContext.GraphicsDevice;
_indexBufferCache = AddDisposable(new TerrainPatchIndexBufferCache(loadContext.GraphicsDevice));
var tileDataTexture = AddDisposable(CreateTileDataTexture(
loadContext.GraphicsDevice,
mapFile,
HeightMap));
var cliffDetailsBuffer = AddDisposable(CreateCliffDetails(
loadContext.GraphicsDevice,
mapFile));
CreateTextures(
loadContext,
mapFile.BlendTileData,
out var textureArray,
out var textureDetails);
var textureDetailsBuffer = AddDisposable(loadContext.GraphicsDevice.CreateStaticStructuredBuffer(textureDetails));
var terrainPipeline = loadContext.ShaderResources.Terrain.Pipeline;
_materialConstantsBuffer = AddDisposable(
new ConstantBuffer <TerrainShaderResources.TerrainMaterialConstants>(
loadContext.GraphicsDevice, "TerrainMaterialConstants"));
_materialConstantsBuffer.Value = new TerrainShaderResources.TerrainMaterialConstants
{
MapBorderWidth = new Vector2(mapFile.HeightMapData.BorderWidth, mapFile.HeightMapData.BorderWidth) * HeightMap.HorizontalScale,
MapSize = new Vector2(mapFile.HeightMapData.Width, mapFile.HeightMapData.Height) * HeightMap.HorizontalScale,
IsMacroTextureStretched = mapFile.EnvironmentData?.IsMacroTextureStretched ?? false
};
_materialConstantsBuffer.Update(loadContext.GraphicsDevice);
var macroTexture = loadContext.AssetStore.Textures.GetByName(mapFile.EnvironmentData?.MacroTexture ?? "tsnoiseurb.dds");
RadiusCursorDecals = AddDisposable(new RadiusCursorDecals(loadContext.AssetStore, loadContext.GraphicsDevice));
var casuticsTextures = BuildCausticsTextureArray(loadContext.AssetStore);
_materialResourceSet = AddDisposable(loadContext.ShaderResources.Terrain.CreateMaterialResourceSet(
_materialConstantsBuffer.Buffer,
tileDataTexture,
cliffDetailsBuffer ?? loadContext.StandardGraphicsResources.GetNullStructuredBuffer(TerrainShaderResources.CliffInfo.Size),
textureDetailsBuffer,
textureArray,
macroTexture,
casuticsTextures));
RadiusCursorDecalsResourceSet = AddDisposable(loadContext.ShaderResources.RadiusCursor.CreateRadiusCursorDecalsResourceSet(
RadiusCursorDecals.TextureArray,
RadiusCursorDecals.DecalConstants,
RadiusCursorDecals.DecalsBuffer));
var cloudTexture = loadContext.AssetStore.Textures.GetByName(mapFile.EnvironmentData?.CloudTexture ?? "tscloudmed.dds");
var cloudResourceLayout = AddDisposable(loadContext.GraphicsDevice.ResourceFactory.CreateResourceLayout(
new ResourceLayoutDescription(
new ResourceLayoutElementDescription("Global_CloudTexture", ResourceKind.TextureReadOnly, ShaderStages.Fragment))));
CloudResourceSet = AddDisposable(loadContext.GraphicsDevice.ResourceFactory.CreateResourceSet(
new ResourceSetDescription(
cloudResourceLayout,
cloudTexture.Texture)));
CloudResourceSet.Name = "Cloud resource set";
_shaderSet = loadContext.ShaderResources.Terrain.ShaderSet;
_pipeline = terrainPipeline;
OnHeightMapChanged();
}