BloodMagic/src/main/java/WayofTime/bloodmagic/incense/IncenseAltarComponent.java

package WayofTime.bloodmagic.incense;

import net.minecraft.block.Block;
import net.minecraft.block.state.IBlockState;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.math.BlockPos;

public class IncenseAltarComponent
{
    public final BlockPos offsetPos;
    public final Block block;
    public final IBlockState state;

    public IncenseAltarComponent(BlockPos offsetPos, Block block, IBlockState state)
    {
        this.offsetPos = offsetPos;
        this.block = block;
        this.state = state;
    }

    public boolean doesBlockMatch(Block block, IBlockState state)
    {
        return this.block == block && block.getMetaFromState(state) == this.block.getMetaFromState(this.state);
    }

    /**
     * Base rotation is north.
     */
    public BlockPos getOffset(EnumFacing rotation)
    {
        return new BlockPos(this.getX(rotation), offsetPos.getY(), this.getZ(rotation));
    }

    public int getX(EnumFacing direction)
    {
        switch (direction)
        {
        case EAST:
            return -this.offsetPos.getZ();
        case SOUTH:
            return -this.offsetPos.getX();
        case WEST:
            return this.offsetPos.getZ();
        default:
            return this.offsetPos.getX();
        }
    }

    public int getZ(EnumFacing direction)
    {
        switch (direction)
        {
        case EAST:
            return this.offsetPos.getX();
        case SOUTH:
            return -this.offsetPos.getZ();
        case WEST:
            return -this.offsetPos.getX();
        default:
            return this.offsetPos.getZ();
        }
    }
}