BlockValvePipe.java

package eiteam.esteemedinnovation.transport.steam;

import net.minecraft.block.BlockDirectional;
import net.minecraft.block.BlockPistonBase;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemBlock;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockValvePipe extends BlockSteamPipe {
    public static final PropertyDirection FACING = BlockDirectional.FACING;

    // The actual states used to determine connection sides.
    public static final PropertyBool NORTH = PropertyBool.create("north");
    public static final PropertyBool EAST = PropertyBool.create("east");
    public static final PropertyBool SOUTH = PropertyBool.create("south");
    public static final PropertyBool WEST = PropertyBool.create("west");
    public static final PropertyBool UP = PropertyBool.create("up");
    public static final PropertyBool DOWN = PropertyBool.create("down");

    @Override
    public BlockStateContainer createBlockState() {
        return new BlockStateContainer(this, FACING, NORTH, EAST, SOUTH, WEST, UP, DOWN);
    }

    @Override
    public int getMetaFromState(IBlockState state) {
        return state.getValue(FACING).getIndex();
    }

    @Override
    public IBlockState getStateFromMeta(int meta) {
        return getDefaultState().withProperty(FACING, EnumFacing.getFront(meta));
    }

    @Override
    public void onBlockPlacedBy(World world, BlockPos pos, IBlockState state, EntityLivingBase elb, ItemStack stack) {
        world.setBlockState(pos, state.withProperty(FACING, BlockPistonBase.getFacingFromEntity(pos, elb)), 2);
    }

    @Override
    public void onNeighborChange(IBlockAccess world, BlockPos pos, BlockPos neighbor) {
        TileEntity tileEntity = world.getTileEntity(pos);
        if (tileEntity != null && tileEntity instanceof TileEntityValvePipe &&
          world.getBlockState(neighbor).canProvidePower()) {
            TileEntityValvePipe valve = (TileEntityValvePipe) tileEntity;
            boolean isNotPowered = tileEntity.getWorld().isBlockIndirectlyGettingPowered(pos) <= 0;
            valve.updateRedstoneState(isNotPowered);
        }
    }

    @Override
    public TileEntity createTileEntity(World world, IBlockState state) {
        return new TileEntityValvePipe();
    }

    @Override
    public boolean onBlockActivated(World world, BlockPos pos, IBlockState state, EntityPlayer player, EnumHand hand, ItemStack heldItem, EnumFacing side, float hitX, float hitY, float hitZ) {
        if (heldItem == null || !(heldItem.getItem() instanceof ItemBlock)) {
            TileEntityValvePipe tile = (TileEntityValvePipe) world.getTileEntity(pos);
            if (tile != null && !tile.isTurning()) {
                tile.setTurning();
            }
        }
        return true;
    }
}