BiomesOPlenty/src/minecraft/biomesoplenty/blocks/BlockBOPFoliage.java

package biomesoplenty.blocks;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import net.minecraft.block.Block;
import net.minecraft.block.BlockFlower;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.item.EntityItem;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.potion.Potion;
import net.minecraft.potion.PotionEffect;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.Icon;
import net.minecraft.world.ColorizerFoliage;
import net.minecraft.world.ColorizerGrass;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.common.FakePlayer;
import net.minecraftforge.common.ForgeHooks;
import net.minecraftforge.common.IShearable;
import biomesoplenty.BiomesOPlenty;
import biomesoplenty.api.Blocks;
import biomesoplenty.api.Items;
import biomesoplenty.blocks.renderers.RenderUtils;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class BlockBOPFoliage extends BlockFlower implements IShearable
{
	private static final String[] foliageTypes = new String[] {"algae", "shortgrass", "mediumgrass", "highgrassbottom", "bush", "sprout", "highgrasstop", "poisonivy", "berrybush"};

	private Icon[] textures;

	private static final int GRASSTOP = 6;
	private static final int ALGAE = 0;
	private static final int GRASSBOTTOM = 3;

	public BlockBOPFoliage(int blockID)
	{
		super(blockID, Material.vine);
		float f = 0.4F;
		setBurnProperties(this.blockID, 60, 100);
		setBlockBounds(0.5F - f, 0.0F, 0.5F - f, 0.5F + f, 0.8F, 0.5F + f);
		setHardness(0.0F);
		setStepSound(Block.soundGrassFootstep);
		this.setCreativeTab(BiomesOPlenty.tabBiomesOPlenty);
	}

	@Override
	public void registerIcons(IconRegister iconRegister)
	{
		textures = new Icon[foliageTypes.length];

		for (int i = 0; i < textures.length; ++i) {
			textures[i] = iconRegister.registerIcon("biomesoplenty:"+foliageTypes[i]);
		}
	}

	@Override
	public Icon getIcon(int side, int meta)
	{
		if (meta >= textures.length) {
			meta = 0;
		}

		return textures[meta];
	}

	@Override
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public void getSubBlocks(int blockID, CreativeTabs par2CreativeTabs, List list)
	{
		for (int i = 0; i < foliageTypes.length; ++i)
			if (i != GRASSTOP) {
				list.add(new ItemStack(blockID, 1, i));
			}
	}

	@Override
	public ArrayList<ItemStack> getBlockDropped(World world, int x, int y, int z, int meta, int fortune)
	{
		ArrayList<ItemStack> ret = new ArrayList<ItemStack>();

		switch (meta)
		{
		case 1:
		case 2:
		case 3:
			if (world.rand.nextInt(8) != 0)
				return ret;

			ItemStack item = ForgeHooks.getGrassSeed(world);
			if (item != null) {
				ret.add(item);
			}
			break;

		case 5:
			if (world.rand.nextInt(50) != 0)
				return ret;

			if (world.rand.nextInt(2) == 0) {
				ret.add(new ItemStack(Item.carrot,1));
			} else {
				ret.add(new ItemStack(Item.potato,1));
			}
			break;
			
		case 8:
		    ret.add(new ItemStack(Items.food.get(), 1, 0));
		    break;
		}

		return ret;
	}

	@Override
	public boolean canPlaceBlockOnSide(World world, int x, int y, int z, int side, ItemStack itemStack)
	{
		int id = world.getBlockId(x, y - 1, z);
		int meta = itemStack.getItemDamage();

		if (itemStack.itemID == blockID) {
			switch (meta)
			{
			case ALGAE: // Dead Grass
			return id == Block.waterStill.blockID;

			default:
				return id == Block.grass.blockID || id == Block.dirt.blockID || id == Block.tilledField.blockID;
			}
		} else
			return this.canPlaceBlockOnSide(world, x, y, z, side);
	}

	@Override
	protected boolean canThisPlantGrowOnThisBlockID(int id)
	{
		return id == Block.grass.blockID || id == Block.dirt.blockID || id == Block.tilledField.blockID;
	}

	protected boolean canThisPlantGrowOnThisBlockID(int blockID, int metadata)
	{
		if (metadata == GRASSTOP)
			return blockID == this.blockID;
		else if (metadata == ALGAE)
			return blockID == Block.waterStill.blockID;
		else
			return blockID == Block.grass.blockID || blockID == Block.dirt.blockID || blockID == Block.tilledField.blockID;
	}

	@Override
	public boolean canBlockStay(World world, int x, int y, int z)
	{
		if (world.getBlockId(x, y, z) != blockID)
			return (world.getFullBlockLightValue(x, y, z) >= 8 || world.canBlockSeeTheSky(x, y, z))
					&& this.canThisPlantGrowOnThisBlockID(world.getBlockId(x, y - 1, z));
		else
			return (world.getFullBlockLightValue(x, y, z) >= 8 || world.canBlockSeeTheSky(x, y, z))
					&& this.canThisPlantGrowOnThisBlockID(world.getBlockId(x, y - 1, z), world.getBlockMetadata(x, y, z));
	}

	@Override
	public void onNeighborBlockChange(World world, int x, int y, int z, int neighborID)
	{
		super.onNeighborBlockChange(world, x, y, z, neighborID);
		this.checkFlowerChange(world, x, y, z);
		if (world.getBlockMetadata(x, y, z) == GRASSTOP && world.getBlockId(x, y - 1, z) == blockID && world.getBlockMetadata(x, y - 1, z) != GRASSBOTTOM) {
			world.setBlockToAir(x, y, z);
		}
		if (world.getBlockMetadata(x, y, z) == GRASSBOTTOM && world.getBlockId(x, y + 1, z) != blockID) {
			world.setBlock(x, y, z, Block.tallGrass.blockID, 1, 2);
		}
	}

	@Override
	public void onEntityCollidedWithBlock(World par1World, int x, int y, int z, Entity par5Entity)
	{
		int meta = par1World.getBlockMetadata(x, y, z);

		if (!par1World.isRemote && meta == 7 && par5Entity instanceof EntityLivingBase) 
		{
			((EntityLivingBase)par5Entity).addPotionEffect(new PotionEffect(Potion.poison.id, 100));
		}
	}

	@Override
	@SideOnly(Side.CLIENT)
	public int getBlockColor()
	{
		double var1 = 0.5D;
		double var3 = 1.0D;
		return ColorizerGrass.getGrassColor(var1, var3);
	}

	@Override
	@SideOnly(Side.CLIENT)
	public int getRenderColor(int par1)
	{
		return ColorizerFoliage.getFoliageColorBasic();
	}

	@Override
	public int getRenderType ()
	{
		return RenderUtils.foliageModel;
	}

	@Override
	@SideOnly(Side.CLIENT)
	public int colorMultiplier(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
	{
		return par1IBlockAccess.getBiomeGenForCoords(par2, par4).getBiomeGrassColor();
	}

	@Override
	public int getDamageValue(World world, int x, int y, int z)
	{
		int meta = world.getBlockMetadata(x, y, z);
		if (meta == GRASSTOP) {
			meta = GRASSBOTTOM;
		}
		return meta;
	}

	@Override
	public int idDropped(int par1, Random par2Random, int par3)
	{
		return -1;
	}

	@Override
	public AxisAlignedBB getSelectedBoundingBoxFromPool(World world, int x, int y, int z)
	{
		int meta = world.getBlockMetadata(x, y, z);

		switch (meta)
		{
		case ALGAE:
			return AxisAlignedBB.getBoundingBox(x, y, z, x + 1.0D, y + 0.015625D, z + 1.0D);

		case 1: // Short Grass
		return AxisAlignedBB.getBoundingBox(x + 0.1D, y, z + 0.1D, x + 0.9D, y + 0.25D, z + 0.9D);

		case 2: // Medium Grass
		return AxisAlignedBB.getBoundingBox(x + 0.1D, y, z + 0.1D, x + 0.9D, y + 0.6D, z + 0.9D);

		default:
			return AxisAlignedBB.getBoundingBox(x + 0.1D, y, z + 0.1D, x + 0.9D, y + 0.8D, z + 0.9D);
		}
	}

	@Override
	public void setBlockBoundsBasedOnState(IBlockAccess iblockaccess, int x, int y, int z)
	{
		int meta = iblockaccess.getBlockMetadata(x, y, z);

		float minX;
		float minY;
		float minZ;
		float maxX;
		float maxY;
		float maxZ;

		switch (meta)
		{
		case ALGAE:
			minX = minY = minZ = 0F;
			maxX = maxZ = 1.0F;
			maxY = 0.015625F;
			break;

		case 1: // Short grass
			minX = minZ = 0.1F;
			minY = 0.0F;
			maxX = maxZ = 0.9F;
			maxY = 0.25F;
			break;

		case 2: // Medium grass
			minX = minZ = 0.1F;
			minY = 0.0F;
			maxX = maxZ = 0.9F;
			maxY = 0.6F;
			break;

		default:
			minX = minZ = 0.1F;
			minY = 0.0F;
			maxX = maxZ = 0.9F;
			maxY = 0.8F;
			break;
		}

		setBlockBounds(minX, minY, minZ, maxX, maxY, maxZ);
	}

	@Override
	public void harvestBlock(World world, EntityPlayer player, int x, int y, int z, int meta)
	{
		super.harvestBlock(world, player, x, y, z, meta);
	}

	@Override
	public boolean onBlockActivated (World world, int x, int y, int z, EntityPlayer player, int par6, float par7, float par8, float par9)
	{
		int meta = world.getBlockMetadata(x, y, z);
		if (meta == 8)
		{
			world.setBlock(x, y, z, blockID, 4, 3);
			EntityItem entityitem = new EntityItem(world, x, y, z, new ItemStack(Items.food.get(), 1, 0));
			if (!world.isRemote) {
				world.spawnEntityInWorld(entityitem);
				if (!(player instanceof FakePlayer))
                    entityitem.onCollideWithPlayer(player);
			}
			return true;
		}
		else
			return false;
	}

	@Override
	public boolean isBlockReplaceable(World world, int x, int y, int z)
	{
		return true;
	}

	@Override
	public boolean isShearable(ItemStack item, World world, int x, int y, int z)
	{
		return true;
	}

	@Override
	public ArrayList<ItemStack> onSheared(ItemStack item, World world, int x, int y, int z, int fortune)
	{
		ArrayList<ItemStack> ret = new ArrayList<ItemStack>();

		if (world.getBlockMetadata(x, y, z) == GRASSTOP) 
		{
			ret.add(new ItemStack(Block.tallGrass, 1, 1));
		} 
		else if (world.getBlockMetadata(x, y, z) == 8) 
		{
			ret.add(new ItemStack(Blocks.foliage.get(), 1, 4));
		} 
		else 
		{
			ret.add(new ItemStack(this, 1, world.getBlockMetadata(x, y, z)));
		}

		return ret;
	}

	@Override
	public boolean isBlockFoliage(World world, int x, int y, int z)
	{
		return true;
	}
}