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FacadeMatrix.java
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FacadeMatrix.java
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package buildcraft.transport.utils;
import io.netty.buffer.ByteBuf;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import net.minecraft.block.Block;
import net.minecraftforge.common.util.ForgeDirection;
public class FacadeMatrix {
private final Block[] _blocks = new Block[ForgeDirection.VALID_DIRECTIONS.length];
private final int[] _blockMetas = new int[ForgeDirection.VALID_DIRECTIONS.length];
private boolean dirty = false;
public FacadeMatrix() {
}
public void setFacade(ForgeDirection direction, Block block, int blockMeta) {
if (_blocks[direction.ordinal()] != block || _blockMetas[direction.ordinal()] != blockMeta) {
_blocks[direction.ordinal()] = block;
_blockMetas[direction.ordinal()] = blockMeta;
dirty = true;
}
}
public Block getFacadeBlock(ForgeDirection direction) {
return _blocks[direction.ordinal()];
}
public int getFacadeMetaId(ForgeDirection direction) {
return _blockMetas[direction.ordinal()];
}
public boolean isDirty() {
return dirty;
}
public void clean() {
dirty = false;
}
public void writeData(ByteBuf data) {
for (int i = 0; i < ForgeDirection.VALID_DIRECTIONS.length; i++) {
if (_blocks [i] == null) {
data.writeShort(0);
} else {
data.writeShort(Block.blockRegistry.getIDForObject(_blocks[i]));
}
data.writeByte(_blockMetas[i]);
}
}
public void readData(ByteBuf data) {
for (int i = 0; i < ForgeDirection.VALID_DIRECTIONS.length; i++) {
short id = data.readShort();
Block block;
if (id == 0) {
block = null;
} else {
block = (Block) Block.blockRegistry.getObjectById(id);
}
if (_blocks[i] != block) {
_blocks[i] = block;
dirty = true;
}
byte meta = data.readByte();
if (_blockMetas[i] != meta) {
_blockMetas[i] = meta;
dirty = true;
}
}
}
}