public hVoxelChunk(Accelerator device, Vec3 position, int width, int height, int depth, int maxViewDist, int[] materialIDs)
{
this.device = device;
this.position = position - new Vec3(width / 2f, 0, depth / 2f);
this.width = width;
this.depth = depth;
this.height = height;
this.maxViewDist = maxViewDist;
this.materialIDs = materialIDs;
tiles = new int[width, height, depth];
Random rng = new Random(5);
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
for (int z = 0; z < depth; z++)
{
tiles[x, y, z] = rng.NextDouble() < 0.25 ? rng.Next(1, materialIDs.Length) : 0;
}
}
}
d_tiles = device.Allocate <int>(new Index3(width, height, depth));
d_tiles.CopyFrom(tiles, new Index3(), new Index3(), d_tiles.Extent);
d_materialIDs = device.Allocate <int>(materialIDs.Length);
d_materialIDs.CopyFrom(materialIDs, 0, 0, materialIDs.Length);
}
public void LoadDatasetInVideoMemory()
{
int w = width,
h = height,
d = depth;
short[] buffer = new short[w * h * d];
var bands = Enumerable.Range(1, d).ToArray();
_dataset.ReadRaster(0, 0, w, h, buffer, w, h, d, bands, 0, 0, 0);
_datasetV = GpuContext.Instance.Accelerator.Allocate <short>(w, h, d);
_datasetV.CopyFrom(buffer, 0, Index3.Zero, buffer.Length);
}
public hVoxelChunk(Accelerator device, Vec3 position, int width, int depth, int height, int maxViewDist, int[] materialIDs, int[,,] tiles)
{
this.device = device;
this.position = position;
this.width = width;
this.depth = depth;
this.height = height;
this.tiles = tiles;
this.maxViewDist = maxViewDist;
this.materialIDs = materialIDs;
d_tiles = device.Allocate <int>(new Index3(width, height, depth));
d_tiles.CopyFrom(tiles, new Index3(), new Index3(), d_tiles.Extent);
}