ActuallyAdditions/src/main/java/ellpeck/actuallyadditions/blocks/BlockContainerBase.java

/*
 * This file ("BlockContainerBase.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://github.com/Ellpeck/ActuallyAdditions/blob/master/README.md
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015 Ellpeck
 */

package ellpeck.actuallyadditions.blocks;

import ellpeck.actuallyadditions.tile.TileEntityBase;
import ellpeck.actuallyadditions.tile.TileEntityInventoryBase;
import ellpeck.actuallyadditions.util.Util;
import net.minecraft.block.Block;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.IInventory;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;

public abstract class BlockContainerBase extends BlockContainer{

    public BlockContainerBase(Material mat){
        super(mat);
    }

    public void dropInventory(World world, int x, int y, int z){
        if(!world.isRemote){
            TileEntity aTile = world.getTileEntity(x, y, z);
            if(aTile instanceof TileEntityInventoryBase){
                TileEntityInventoryBase tile = (TileEntityInventoryBase)aTile;
                if(tile.getSizeInventory() > 0){
                    for(int i = 0; i < tile.getSizeInventory(); i++){
                        this.dropSlotFromInventory(i, tile, world, x, y, z);
                    }
                }
            }
        }
    }

    public void dropSlotFromInventory(int i, TileEntityInventoryBase tile, World world, int x, int y, int z){
        ItemStack stack = tile.getStackInSlot(i);
        if(stack != null && stack.stackSize > 0){
            float dX = Util.RANDOM.nextFloat()*0.8F+0.1F;
            float dY = Util.RANDOM.nextFloat()*0.8F+0.1F;
            float dZ = Util.RANDOM.nextFloat()*0.8F+0.1F;
            EntityItem entityItem = new EntityItem(world, x+dX, y+dY, z+dZ, stack.copy());
            if(stack.hasTagCompound()){
                entityItem.getEntityItem().setTagCompound((NBTTagCompound)stack.getTagCompound().copy());
            }
            float factor = 0.05F;
            entityItem.motionX = Util.RANDOM.nextGaussian()*factor;
            entityItem.motionY = Util.RANDOM.nextGaussian()*factor+0.2F;
            entityItem.motionZ = Util.RANDOM.nextGaussian()*factor;
            world.spawnEntityInWorld(entityItem);
        }
        tile.setInventorySlotContents(i, null);
    }

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

    @Override
    public int getComparatorInputOverride(World world, int x, int y, int z, int meta){
        TileEntity tile = world.getTileEntity(x, y, z);
        if(tile instanceof IInventory){
            return Container.calcRedstoneFromInventory((IInventory)tile);
        }
        return 0;
    }

    @Override
    public void onNeighborBlockChange(World world, int x, int y, int z, Block block){
        this.updateRedstoneState(world, x, y, z);
    }

    @Override
    public void onBlockAdded(World world, int x, int y, int z){
        this.updateRedstoneState(world, x, y, z);
    }

    private void updateRedstoneState(World world, int x, int y, int z){
        TileEntity tile = world.getTileEntity(x, y, z);
        if(tile instanceof TileEntityBase){
            ((TileEntityBase)tile).setRedstonePowered(world.isBlockIndirectlyGettingPowered(x, y, z));
        }
    }
}