bool CanStretch(BlockID initial, int chunkIndex, int x, int y, int z, int face)
{
BlockID cur = chunk[chunkIndex];
return(cur == initial &&
!BlockInfo.IsFaceHidden(cur, chunk[chunkIndex + offsets[face]], face) &&
(fullBright || (LightCol(X, Y, Z, face, initial) == LightCol(x, y, z, face, cur))));
}
void TestAndStretchX(int xx, int index, byte tile, int chunkIndex, int value, int test, int tileSide, int offset)
{
index += tileSide;
if (counts[index] != 0)
{
if ((value == test && Y < clipLevel) ||
(value != test && info.IsFaceHidden(tile, chunk[chunkIndex + offset], tileSide)))
{
counts[index] = 0;
}
else
{
int count = StretchX(xx, index, X, Y, Z, chunkIndex, tile, tileSide);
AddVertices(tile, count, tileSide);
counts[index] = (byte)count;
}
}
}
bool CanStretch(BlockID initialBlock, int chunkIndex, int x, int y, int z, int face)
{
BlockID rawBlock = chunk[chunkIndex];
bitFlags[chunkIndex] = ComputeLightFlags(x, y, z, chunkIndex);
return(rawBlock == initialBlock &&
!BlockInfo.IsFaceHidden(rawBlock, chunk[chunkIndex + offsets[face]], face) &&
(initBitFlags == bitFlags[chunkIndex]
// Check that this face is either fully bright or fully in shadow
&& (initBitFlags == 0 || (initBitFlags & masks[face]) == masks[face])));
}