/// <summary>
/// Create a TerrainComputer for a specific mapData/terrain instance.
/// </summary>
/// <param name="mapPixelData"></param>
/// <param name="sampler"></param>
/// <returns></returns>
public static TerrainComputer Create(MapPixelData mapPixelData, InterestingTerrainSampler sampler)
{
var tSize = Utility.GetTerrainVertexSize();
return(new TerrainComputer()
{
sampler = sampler,
heightmapBuffers = BufferIO.CreateHeightmapBuffers(),
heightmapResolution = (int)InterestingTerrains.settings.heightmapResolution,
locationRect = mapPixelData.hasLocation
? mapPixelData.locationRect
: new Rect(-10, -10, 1, 1),
terrainPosition = Utility.GetTerrainVertexPosition(mapPixelData.mapPixelX, mapPixelData.mapPixelY),
terrainSize = new Vector2(tSize, tSize)
});
}
/// <summary>
/// Initializes and runs a TerrainComputer GPU job, then processes the generated data.
/// </summary>
/// <param name="csPrototype"></param>
/// <param name="mapData"></param>
/// <param name="csParams"></param>
public void DispatchAndProcess(ComputeShader csPrototype, ref MapPixelData mapData, TerrainComputerParams csParams)
{
var woodsFile = DaggerfallUnity.Instance.ContentReader.WoodsFileReader;
var cs = UnityEngine.Object.Instantiate(csPrototype);
var k = cs.FindKernel("TerrainComputer");
uint _x, _y, _z;
cs.GetKernelThreadGroupSizes(k, out _x, out _y, out _z);
int res = heightmapResolution + 1;
DaggerfallUnity dfUnity;
DaggerfallUnity.FindDaggerfallUnity(out dfUnity);
int searchSize = 16;
var locations = new List <Rect>();
int x, y;
for (x = -searchSize; x <= searchSize; x++)
{
for (y = -searchSize; y <= searchSize; y++)
{
var mpx = mapData.mapPixelX + x;
var mpy = mapData.mapPixelY + y;
var key = new DoubleInt()
{
Item1 = mpx, Item2 = mpy
};
if (locationRectCache.ContainsKey(key))
{
locations.Add(locationRectCache[key]);
continue;
}
var mapPixelPos = new DFPosition(mpx, mpy);
var mapPixelData = TerrainHelper.GetMapPixelData(dfUnity.ContentReader, mpx, mpy);
if (!mapPixelData.hasLocation)
{
continue;
}
var location = dfUnity.ContentReader.MapFileReader.GetLocation(mapPixelData.mapRegionIndex, mapPixelData.mapLocationIndex);
var locationRect = GetLocationRect(location);
if (locationRect.width == 0 || locationRect.height == 0)
{
continue;
}
locationRect = ExpandInEachDirection(locationRect, 1);
locationRectCache.Add(key, locationRect);
locations.Add(locationRect);
}
}
x = (int)_x;
y = (int)_y;
cs.SetVector("terrainPosition", terrainPosition);
cs.SetVector("terrainSize", terrainSize);
cs.SetInt("heightmapResolution", heightmapResolution);
cs.SetVector("locationPosition", locationRect.min);
cs.SetVector("locationSize", locationRect.size);
cs.SetVectorArray("locationPositions", locations.Select(r => new Vector4(r.min.x, r.min.y)).ToArray());
cs.SetVectorArray("locationSizes", locations.Select(r => new Vector4(r.size.x, r.size.y)).ToArray());
cs.SetInt("locationCount", locations.Count);
cs.SetTexture(k, "BiomeMap", InterestingTerrains.biomeMap);
cs.SetTexture(k, "DerivMap", InterestingTerrains.derivMap);
cs.SetTexture(k, "tileableNoise", InterestingTerrains.tileableNoise);
cs.SetFloat("originalHeight", Utility.GetOriginalTerrainHeight());
cs.SetFloat("newHeight", Constants.TERRAIN_HEIGHT);
cs.SetTexture(k, "mapPixelHeights", baseHeightmap);
cs.SetBuffer(k, "heightmapBuffer", heightmapBuffers.heightmapBuffer);
cs.SetBuffer(k, "rawNoise", heightmapBuffers.rawNoise);
cs.SetBuffer(k, "locationHeightData", locationHeightData);
cs.SetVector("worldSize", Utility.GetWorldVertexSize());
var rd = Compatibility.BasicRoadsUtils.GetRoadData(mapData.mapPixelX, mapData.mapPixelY);
cs.SetVectorArray("NW_NE_SW_SE", rd.NW_NE_SW_SE);
cs.SetVectorArray("N_E_S_W", rd.N_E_S_W);
csParams.ApplyToCS(cs);
woodsFile.Buffer = originalHeightmapBuffer;
HandleBaseMapSampleParams(ref mapData, ref cs, k);
woodsFile.Buffer = alteredHeightmapBuffer;
cs.Dispatch(k, res / x, res / y, 1);
k = cs.FindKernel("TilemapComputer");
cs.SetTexture(k, "BiomeMap", InterestingTerrains.biomeMap);
cs.SetTexture(k, "DerivMap", InterestingTerrains.derivMap);
cs.SetBuffer(k, "heightmapBuffer", heightmapBuffers.heightmapBuffer);
cs.SetBuffer(k, "tilemapData", heightmapBuffers.tilemapData);
cs.SetBuffer(k, "rawNoise", heightmapBuffers.rawNoise);
cs.Dispatch(k, res / x, res / y, 1);
BufferIO.ProcessBufferValuesAndDispose(heightmapBuffers, ref mapData);
}