ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/items/ItemLeafBlower.java

/*
 * This file ("ItemLeafBlower.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
 *
 * © 2015-2016 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.items;

import de.ellpeck.actuallyadditions.api.misc.IDisplayStandItem;
import de.ellpeck.actuallyadditions.mod.items.base.ItemBase;
import net.minecraft.block.Block;
import net.minecraft.block.BlockBush;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.SoundEvents;
import net.minecraft.item.EnumAction;
import net.minecraft.item.EnumRarity;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.ActionResult;
import net.minecraft.util.EnumActionResult;
import net.minecraft.util.EnumHand;
import net.minecraft.util.SoundCategory;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import net.minecraft.world.World;

import java.util.ArrayList;
import java.util.Collections;

public class ItemLeafBlower extends ItemBase implements IDisplayStandItem{

    private final boolean isAdvanced;

    public ItemLeafBlower(boolean isAdvanced, String name){
        super(name);
        this.isAdvanced = isAdvanced;
        this.setMaxStackSize(1);
    }


    @Override
    public ActionResult<ItemStack> onItemRightClick(World world, EntityPlayer player, EnumHand hand){
        player.setActiveHand(hand);
        return new ActionResult<ItemStack>(EnumActionResult.SUCCESS, player.getHeldItem(hand));
    }


    @Override
    public EnumAction getItemUseAction(ItemStack stack){
        return EnumAction.BOW;
    }

    @Override
    public int getMaxItemUseDuration(ItemStack stack){
        //Cuz you won't hold it for that long right-clicking anyways
        return Integer.MAX_VALUE;
    }


    @Override
    public EnumRarity getRarity(ItemStack stack){
        return this.isAdvanced ? EnumRarity.EPIC : EnumRarity.RARE;
    }

    @Override
    public void onUsingTick(ItemStack stack, EntityLivingBase player, int time){
        this.doUpdate(player.world, MathHelper.floor(player.posX), MathHelper.floor(player.posY), MathHelper.floor(player.posZ), time, stack);
    }

    private boolean doUpdate(World world, int x, int y, int z, int time, ItemStack stack){
        if(!world.isRemote){
            if(time <= this.getMaxItemUseDuration(stack) && (this.isAdvanced || time%3 == 0)){
                //Breaks the Blocks
                boolean broke = this.breakStuff(world, x, y, z);
                //Plays a Minecart sounds (It really sounds like a Leaf Blower!)
                world.playSound(null, x, y, z, SoundEvents.ENTITY_MINECART_RIDING, SoundCategory.PLAYERS, 0.3F, 0.001F);
                return broke;
            }
        }
        return false;
    }

    /**
     * Breaks (harvests) Grass and Leaves around
     *
     * @param world The World
     * @param x     The X Position of the Player
     * @param y     The Y Position of the Player
     * @param z     The Z Position of the Player
     */
    public boolean breakStuff(World world, int x, int y, int z){
        ArrayList<BlockPos> breakPositions = new ArrayList<BlockPos>();

        int rangeSides = 5;
        int rangeUp = 1;
        for(int reachX = -rangeSides; reachX < rangeSides+1; reachX++){
            for(int reachZ = -rangeSides; reachZ < rangeSides+1; reachZ++){
                for(int reachY = (this.isAdvanced ? -rangeSides : -rangeUp); reachY < (this.isAdvanced ? rangeSides : rangeUp)+1; reachY++){
                    //The current Block to break
                    BlockPos pos = new BlockPos(x+reachX, y+reachY, z+reachZ);
                    Block block = world.getBlockState(pos).getBlock();
                    if(block != null && (block instanceof BlockBush || (this.isAdvanced && block.isLeaves(world.getBlockState(pos), world, pos)))){
                        breakPositions.add(pos);
                    }
                }
            }
        }

        if(!breakPositions.isEmpty()){
            Collections.shuffle(breakPositions);

            BlockPos theCoord = breakPositions.get(0);
            Block theBlock = world.getBlockState(theCoord).getBlock();

            ArrayList<ItemStack> drops = new ArrayList<ItemStack>();
            //Gets all of the Drops the Block should have
            drops.addAll(theBlock.getDrops(world, theCoord, world.getBlockState(theCoord), 0));

            //Plays the Breaking Sound
            world.playEvent(2001, theCoord, Block.getStateId(world.getBlockState(theCoord)));

            //Deletes the Block
            world.setBlockToAir(theCoord);

            for(ItemStack theDrop : drops){
                //Drops the Items into the World
                world.spawnEntity(new EntityItem(world, theCoord.getX()+0.5, theCoord.getY()+0.5, theCoord.getZ()+0.5, theDrop));
            }
            return true;
        }
        return false;
    }

    @Override
    public boolean update(ItemStack stack, TileEntity tile, int elapsedTicks){
        return this.doUpdate(tile.getWorld(), tile.getPos().getX(), tile.getPos().getY(), tile.getPos().getZ(), elapsedTicks, stack);
    }

    @Override
    public int getUsePerTick(ItemStack stack, TileEntity tile, int elapsedTicks){
        return 60;
    }
}