void BlockCompressLocalTile(ref RawTexContainer layer, uint tileIdx)
{
uint tileSizeInBlocks0 = mlmask._atlasTileSize / 4;
uint tx = (tileIdx % layer._widthInTiles0);
uint ty = (tileIdx / layer._widthInTiles0);
var layerTile = layer.tiles[Convert.ToInt32(tileIdx)];
layerTile._atlasBlockCompressed = new UInt64[(tileSizeInBlocks0 * tileSizeInBlocks0)];
for (uint yBlock = 0; yBlock < tileSizeInBlocks0; yBlock++)
{
for (uint xBlock = 0; xBlock < tileSizeInBlocks0; xBlock++)
{
List <float> referenceData = new List <float>();
float[] toBBCValues = new float[16];
for (uint j = 0; j < 4; j++)
{
for (uint i = 0; i < 4; i++)
{
uint px = xBlock * 4 + i;
uint py = yBlock * 4 + j;
float v = Convert.ToSingle(layerTile._atlasUnCompressed[px + py * mlmask._atlasTileSize]) / 255.0f;
toBBCValues[i + j * 4] = v;
referenceData.Add(v);
}
}
if ((tx > 0) && (xBlock == 0))
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty, tileSizeInBlocks0 - 1, yBlock);
}
else if ((tx < layer._widthInTiles0 - 1) && (xBlock == tileSizeInBlocks0 - 1))
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty, 0, yBlock);
}
if ((ty > 0) && (yBlock == 0))
{
PushBlockReferenceData(ref referenceData, layer, tx, ty - 1, xBlock, tileSizeInBlocks0 - 1);
}
else if ((ty < layer._heightInTiles0 - 1) && (yBlock == tileSizeInBlocks0 - 1))
{
PushBlockReferenceData(ref referenceData, layer, tx, ty + 1, xBlock, 0);
}
if (((tx > 0) && (xBlock == 0)) && ((ty > 0) && (yBlock == 0)))
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty - 1, tileSizeInBlocks0 - 1, tileSizeInBlocks0 - 1);
}
else if (((tx < layer._widthInTiles0 - 1) && (xBlock == tileSizeInBlocks0 - 1)) && ((ty > 0) && (yBlock == 0)))
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty - 1, 0, tileSizeInBlocks0 - 1);
}
else if (((tx > 0) && (xBlock == 0)) && ((ty < layer._heightInTiles0 - 1) && (yBlock == tileSizeInBlocks0 - 1)))
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty + 1, tileSizeInBlocks0 - 1, 0);
}
else if (((tx < layer._widthInTiles0 - 1) && (xBlock == tileSizeInBlocks0 - 1)) && ((ty < layer._heightInTiles0 - 1) && (yBlock == tileSizeInBlocks0 - 1)))
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty + 1, 0, 0);
}
UInt64 blockCompressed = 0;
D3DX.D3DXEncodeBC4U(ref blockCompressed, toBBCValues, referenceData);
layerTile._atlasBlockCompressed[xBlock + yBlock * tileSizeInBlocks0] = blockCompressed;
}
}
layer.tiles[Convert.ToInt32(tileIdx)] = layerTile;
}
private void BlockCompressLocalTile(ref RawTexContainer layer, uint tileIdx)
{
var tileSizeInBlocks0 = _mlmask.AtlasTileSize / 4;
var tx = tileIdx % layer.WidthInTiles0;
var ty = tileIdx / layer.WidthInTiles0;
var layerTile = layer.Tiles[Convert.ToInt32(tileIdx)];
layerTile.AtlasBlockCompressed = new ulong[tileSizeInBlocks0 * tileSizeInBlocks0];
for (uint yBlock = 0; yBlock < tileSizeInBlocks0; yBlock++)
{
for (uint xBlock = 0; xBlock < tileSizeInBlocks0; xBlock++)
{
var referenceData = new List <float>();
var toBBCValues = new float[16];
for (uint j = 0; j < 4; j++)
{
for (uint i = 0; i < 4; i++)
{
var px = (xBlock * 4) + i;
var py = (yBlock * 4) + j;
var v = Convert.ToSingle(layerTile.AtlasUnCompressed[px + (py * _mlmask.AtlasTileSize)]) / 255.0f;
toBBCValues[i + (j * 4)] = v;
referenceData.Add(v);
}
}
if (tx > 0 && xBlock == 0)
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty, tileSizeInBlocks0 - 1, yBlock);
}
else if (tx < layer.WidthInTiles0 - 1 && xBlock == tileSizeInBlocks0 - 1)
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty, 0, yBlock);
}
if (ty > 0 && yBlock == 0)
{
PushBlockReferenceData(ref referenceData, layer, tx, ty - 1, xBlock, tileSizeInBlocks0 - 1);
}
else if (ty < layer.HeightInTiles0 - 1 && yBlock == tileSizeInBlocks0 - 1)
{
PushBlockReferenceData(ref referenceData, layer, tx, ty + 1, xBlock, 0);
}
if (tx > 0 && xBlock == 0 && ty > 0 && yBlock == 0)
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty - 1, tileSizeInBlocks0 - 1, tileSizeInBlocks0 - 1);
}
else if (tx < layer.WidthInTiles0 - 1 && xBlock == tileSizeInBlocks0 - 1 && ty > 0 && yBlock == 0)
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty - 1, 0, tileSizeInBlocks0 - 1);
}
else if (tx > 0 && xBlock == 0 && ty < layer.HeightInTiles0 - 1 && yBlock == tileSizeInBlocks0 - 1)
{
PushBlockReferenceData(ref referenceData, layer, tx - 1, ty + 1, tileSizeInBlocks0 - 1, 0);
}
else if (tx < layer.WidthInTiles0 - 1 && xBlock == tileSizeInBlocks0 - 1 && ty < layer.HeightInTiles0 - 1 && yBlock == tileSizeInBlocks0 - 1)
{
PushBlockReferenceData(ref referenceData, layer, tx + 1, ty + 1, 0, 0);
}
ulong blockCompressed = 0;
D3DX.D3DXEncodeBC4U(ref blockCompressed, toBBCValues, referenceData);
layerTile.AtlasBlockCompressed[xBlock + (yBlock * tileSizeInBlocks0)] = blockCompressed;
}
}
layer.Tiles[Convert.ToInt32(tileIdx)] = layerTile;
}