@Override
public boolean canBlockStay(World world, int x, int y, int z) {
if (world.isSideSolid(x, y - 1, z, ForgeDirection.UP)) {
return true;
}
for (ForgeDirection d : _attachDirections) {
BlockPosition bp = new BlockPosition(x, y, z, d);
for (int i = 0; i < _attachDistance; i++) {
bp.moveForwards(1);
if (world.getBlock(bp.x, bp.y, bp.z).equals(this)) {
if (world.isSideSolid(bp.x, bp.y - 1, bp.z, ForgeDirection.UP)) {
return true;
}
} else break;
}
}
return false;
}
@Override
public void onNeighborBlockChange(World world, int x, int y, int z, Block block) {
if (!canBlockStay(world, x, y, z)) {
for (int e = world.getActualHeight(); y < e; ++y) {
block = world.getBlock(x, y, z);
if (!block.equals(this)) break;
dropBlockAsItem(world, x, y, z, world.getBlockMetadata(x, y, z), 0);
world.setBlock(x, y, z, Blocks.air, 0, 2);
for (ForgeDirection d : _attachDirections) {
BlockPosition bp = new BlockPosition(x, y, z, d);
for (int i = 0; i < _attachDistance; i++) {
bp.moveForwards(1);
block = world.getBlock(bp.x, bp.y, bp.z);
if (block.equals(this)) {
world.func_147446_b(bp.x, bp.y, bp.z, block, 0, 0);
} else break;
}
}
}
}
}