BlockWildGrapeVine.java

package com.team.kalstuff.block;

import java.util.Random;

import com.team.kalstuff.StartupCommon;
import com.team.kalstuff.item.KalStuffItems;

import net.minecraft.block.Block;
import net.minecraft.block.BlockBush;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyInteger;
import net.minecraft.block.state.BlockStateContainer;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumHand;
import net.minecraft.util.math.AxisAlignedBB;
import net.minecraft.util.math.BlockPos;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockWildGrapeVine extends BlockBush {

    public static final PropertyInteger GROWN = PropertyInteger.create("grown", 0, 1);
    public static final AxisAlignedBB AABB = new AxisAlignedBB(3d/16d, 0d, 3d/16d, 13d/16d, 1d, 13d/16d);
	
    public BlockWildGrapeVine() {
    	super(Material.PLANTS);
    	this.setCreativeTab(StartupCommon.KALSTUFF);
    	this.setDefaultState(this.blockState.getBaseState().withProperty(GROWN, Integer.valueOf(1)));
    }
    
    public AxisAlignedBB getBoundingBox(IBlockState state, IBlockAccess source, BlockPos pos) {
		return AABB;
	}
    
    public void updateTick(World worldIn, BlockPos pos, IBlockState state, Random rand)
    {
        super.updateTick(worldIn, pos, state, rand);

        if (worldIn.getLightFromNeighbors(pos.up()) >= 9)
        {
            int i = ((Integer)state.getValue(GROWN)).intValue();

            if (i < 1)
            {
                float f = getGrowthChance(this, worldIn, pos, state);

                if (rand.nextInt((int)(25.0F / f) + 1) == 0)
                {
                    worldIn.setBlockState(pos, state.withProperty(GROWN, Integer.valueOf(i + 1)), 2);
                }
            }
        }
    }
    
    protected static float getGrowthChance(Block blockIn, World worldIn, BlockPos pos, IBlockState state)
    {
        float f = 1.0F;
        BlockPos blockpos1 = pos.down();

        for (int i = -1; i <= 1; ++i)
        {
            for (int j = -1; j <= 1; ++j)
            {
                float f1 = 0.0F;
                IBlockState iblockstate = worldIn.getBlockState(blockpos1.add(i, 0, j));

                if (iblockstate.getBlock().canSustainPlant(state, worldIn, blockpos1.add(i, 0, j), EnumFacing.UP, (net.minecraftforge.common.IPlantable)blockIn))
                {
                    f1 = 1.0F;

                    if (iblockstate.getBlock().isFertile(worldIn, blockpos1.add(i, 0, j)))
                    {
                        f1 = 3.0F;
                    }
                }

                if (i != 0 || j != 0)
                {
                    f1 /= 4.0F;
                }

                f += f1;
            }
        }

        BlockPos blockpos2 = pos.north();
        BlockPos blockpos3 = pos.south();
        BlockPos blockpos4 = pos.west();
        BlockPos blockpos5 = pos.east();
        boolean flag = blockIn == worldIn.getBlockState(blockpos4).getBlock() || blockIn == worldIn.getBlockState(blockpos5).getBlock();
        boolean flag1 = blockIn == worldIn.getBlockState(blockpos2).getBlock() || blockIn == worldIn.getBlockState(blockpos3).getBlock();

        if (flag && flag1)
        {
            f /= 2.0F;
        }
        else
        {
            boolean flag2 = blockIn == worldIn.getBlockState(blockpos4.north()).getBlock() || blockIn == worldIn.getBlockState(blockpos5.north()).getBlock() || blockIn == worldIn.getBlockState(blockpos5.south()).getBlock() || blockIn == worldIn.getBlockState(blockpos4.south()).getBlock();

            if (flag2)
            {
                f /= 2.0F;
            }
        }

        return f;
    }
    
	 @Override
	 public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ) {
		super.onBlockActivated(worldIn, pos, state, playerIn, hand, side, hitX, hitY, hitZ);
		
		if (((Integer)state.getValue(GROWN)).intValue() == 1) {
        worldIn.setBlockState(pos, state.withProperty(GROWN, 0));
        Random rand = new Random();
        ItemStack aStack = new ItemStack(KalStuffItems.grapes, rand.nextInt(2) + 3);
        spawnAsEntity(worldIn, pos, aStack);
		return true;
		}
		return false;
		
	}
	 
	    protected BlockStateContainer createBlockState()
	    {
	        return new BlockStateContainer(this, new IProperty[] {GROWN});
	    }
	    
	    /**
	     * Convert the given metadata into a BlockState for this Block
	     */
	    public IBlockState getStateFromMeta(int meta)
	    {
	        return this.getDefaultState().withProperty(GROWN, Integer.valueOf(meta));
	    }

	    /**
	     * Convert the BlockState into the correct metadata value
	     */
	    public int getMetaFromState(IBlockState state)
	    {
	        return ((Integer)state.getValue(GROWN)).intValue();
	    }
	
	    @Override
	    public void onBlockDestroyedByPlayer(World worldIn, BlockPos pos, IBlockState state) {
	    	super.onBlockDestroyedByPlayer(worldIn, pos, state);
	    	if (((Integer)state.getValue(GROWN)).intValue() == 1) {
	        Random rand = new Random();
	        ItemStack aStack = new ItemStack(KalStuffItems.grapes, rand.nextInt(2) + 3);
	        spawnAsEntity(worldIn, pos, aStack);
	    	}
	    }

	    @Override
	    public boolean canHarvestBlock(IBlockAccess world, BlockPos pos, EntityPlayer player) {
	    	return false;
	    }
}