ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityBreaker.java

/*
 * This file ("TileEntityBreaker.java") is part of the Actually Additions mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://ellpeck.de/actaddlicense
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015-2017 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.tile;

import de.ellpeck.actuallyadditions.mod.util.StackUtil;
import de.ellpeck.actuallyadditions.mod.util.WorldUtil;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLiquid;
import net.minecraft.block.state.IBlockState;
import net.minecraft.init.Blocks;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.NonNullList;
import net.minecraft.util.math.BlockPos;
import net.minecraftforge.fluids.IFluidBlock;

public class TileEntityBreaker extends TileEntityInventoryBase {

	public boolean isPlacer;
	private int currentTime;

	public TileEntityBreaker(int slots, String name) {
		super(slots, name);
	}

	public TileEntityBreaker() {
		super(9, "breaker");
		this.isPlacer = false;
	}

	@Override
	public void writeSyncableNBT(NBTTagCompound compound, NBTType type) {
		super.writeSyncableNBT(compound, type);
		if (type != NBTType.SAVE_BLOCK) {
			compound.setInteger("CurrentTime", this.currentTime);
		}
	}

	@Override
	public void readSyncableNBT(NBTTagCompound compound, NBTType type) {
		super.readSyncableNBT(compound, type);
		if (type != NBTType.SAVE_BLOCK) {
			this.currentTime = compound.getInteger("CurrentTime");
		}
	}

	@Override
	public void updateEntity() {
		super.updateEntity();
		if (!this.world.isRemote) {
			if (!this.isRedstonePowered && !this.isPulseMode) {
				if (this.currentTime > 0) {
					this.currentTime--;
					if (this.currentTime <= 0) {
						this.doWork();
					}
				} else {
					this.currentTime = 15;
				}
			}
		}
	}

	@Override
	public boolean isItemValidForSlot(int i, ItemStack stack) {
		return true;
	}

	private void doWork() {
		EnumFacing side = WorldUtil.getDirectionByPistonRotation(world.getBlockState(pos));
		BlockPos breakCoords = pos.offset(side);
		IBlockState stateToBreak = world.getBlockState(breakCoords);
		Block blockToBreak = stateToBreak.getBlock();

		if (!this.isPlacer && blockToBreak != Blocks.AIR && !(blockToBreak instanceof BlockLiquid) && !(blockToBreak instanceof IFluidBlock) && stateToBreak.getBlockHardness(this.world, breakCoords) >= 0.0F) {
			NonNullList<ItemStack> drops = NonNullList.create();
			blockToBreak.getDrops(drops, world, breakCoords, stateToBreak, 0);
			float chance = WorldUtil.fireFakeHarvestEventsForDropChance(drops, world, breakCoords);

			if (chance > 0 && world.rand.nextFloat() <= chance) {
				if (StackUtil.canAddAll(slots, drops)) {
					world.destroyBlock(breakCoords, false);
					StackUtil.addAll(slots, drops);
					this.markDirty();
				}
			}
		} else if (this.isPlacer) {
			int theSlot = WorldUtil.findFirstFilledSlot(slots);
			this.slots.setStackInSlot(theSlot, WorldUtil.useItemAtSide(side, world, pos, slots.getStackInSlot(theSlot)));
			if (!StackUtil.isValid(slots.getStackInSlot(theSlot))) {
				this.slots.setStackInSlot(theSlot, StackUtil.getEmpty());
			}
		}
	}

	@Override
	public boolean canExtractItem(int slot, ItemStack stack) {
		return true;
	}

	@Override
	public boolean isRedstoneToggle() {
		return true;
	}

	@Override
	public void activateOnPulse() {
		this.doWork();
	}

}