BiomesOPlenty/src/minecraft/biomesoplenty/blocks/BlockBOPPlant.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.player.EntityPlayer;
import net.minecraft.item.ItemStack;
import net.minecraft.util.DamageSource;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;
import net.minecraftforge.common.IShearable;
import biomesoplenty.BiomesOPlenty;
import biomesoplenty.api.Blocks;
import biomesoplenty.blocks.renderers.PlantsRenderer;

public class BlockBOPPlant extends BlockFlower implements IShearable
{
    private static final String[] plants = new String[] {"deadgrass", "desertgrass", "desertsprouts", "dunegrass", "holytallgrass", "thorn", "barley", "cattail", "reed", "cattailtop", "cattailbottom"};
    private Icon[] textures;
	
	private static final int CATTAILTOP = 9;
    private static final int CATTAILBOTTOM = 10;
    
    public BlockBOPPlant(int par1)
    {
        super(par1, Material.vine);
        setTickRandomly(true);
        float var3 = 0.4F;
        setBurnProperties(this.blockID, 60, 100);
        setHardness(0.0F);
        setStepSound(Block.soundGrassFootstep);
        setBlockBounds(0.5F - var3, 0.0F, 0.5F - var3, 0.5F + var3, 0.8F, 0.5F + var3);
        setCreativeTab(BiomesOPlenty.tabBiomesOPlenty);
    }
    
    @Override
    public void registerIcons(IconRegister iconRegister)
    {
        textures = new Icon[plants.length];
        
        for (int i = 0; i < plants.length; ++i)
            textures[i] = iconRegister.registerIcon("BiomesOPlenty:" + plants[i]);
    }
    
    @Override
    public Icon getIcon(int side, int meta)
    {
        if (meta < 0 || meta >= textures.length)
            meta = 0;

        return textures[meta];
    }
    
    public int getRenderType ()
    {
        return PlantsRenderer.render;
    }
    
    public void setBlockBoundsBasedOnState(IBlockAccess world, int par2, int par3, int par4)
    {
        int meta = world.getBlockMetadata(par2, par3, par4);
        
        switch (meta)
        {
            case 6:
            case 7:
                this.setBlockBounds(0.125F, 0.0F, 0.125F, 0.875F, 1.00F, 0.875F);
                break;
                
            default:
                this.setBlockBounds(0.1F, 0.0F, 0.1F, 0.9F, 0.8F, 0.9F);
                break;
        }
    }
    
    @Override
    @SuppressWarnings({ "rawtypes", "unchecked" })
    public void getSubBlocks(int blockID, CreativeTabs creativeTabs, List list)
    {
        for (int i = 0; i < CATTAILTOP; ++i)
            list.add(new ItemStack(blockID, 1, i));
    }
    
    protected boolean canThisPlantGrowOnThisBlockID(int blockID, int metadata)
    {
            //case 2: // Desert Sprouts
                
        if (metadata == 0) //Dead Grass
            return blockID == Blocks.driedDirt.get().blockID || blockID == Block.sand.blockID;
        else if (metadata == 1) //Desert Grass
            return blockID == Blocks.redRock.get().blockID;
        else if (metadata == 3) //Dune Grass
            return blockID == Block.sand.blockID;
        else if (metadata == 4) //Holy Tall Grass
            return blockID == Blocks.holyGrass.get().blockID;
        else if (metadata == 5)
            return blockID == Block.grass.blockID || blockID == Block.dirt.blockID || blockID == Block.slowSand.blockID;
        else if (metadata == 7)
            return blockID == Block.grass.blockID;
		else if (metadata == 8)
			return blockID == this.blockID || blockID == Block.grass.blockID;
        else if (metadata == 9)
			return blockID == this.blockID;
        else
            return blockID == Block.grass.blockID || blockID == Block.dirt.blockID || blockID == Block.tilledField.blockID;
    }
    
    protected boolean canThisPlantGrowOnThisBlockID(int id)
    {
        return id == Blocks.driedDirt.get().blockID || id == Block.sand.blockID || id == Blocks.redRock.get().blockID || id == Blocks.holyGrass.get().blockID 
                || id == Block.grass.blockID || id == Block.dirt.blockID || id == Block.tilledField.blockID;
    }
    
    @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 == this.blockID)
            switch (meta)
            {
                case 0: // Dead Grass
                    return id == Blocks.driedDirt.get().blockID || id == Block.sand.blockID;
                    
                case 1: // Desert Grass
                    return id == Blocks.redRock.get().blockID;
                    
                case 2: // Desert Sprouts
                case 3: // Dune Grass
                    return id == Block.sand.blockID;
                    
                case 4: // Holy Tall Grass
                    return id == Blocks.holyGrass.get().blockID;
                    
                case 5: // Thorns
                    return id == Block.grass.blockID || id == Block.dirt.blockID || id == Block.slowSand.blockID;
                    
                case 7: // Cattail
                    return id != Block.grass.blockID ? false : (world.getBlockMaterial(x - 1, y - 1, z) == Material.water ? true : (world.getBlockMaterial(x + 1, y - 1, z) == Material.water ? true : (world.getBlockMaterial(x, y - 1, z - 1) == Material.water ? true : world.getBlockMaterial(x, y - 1, z + 1) == Material.water)));
                    
				case 8: //Reed
					return id == this.blockID || id == Block.grass.blockID;
					
				case 10: // High Cattail Bottom
                    return id != Block.grass.blockID ? false : (world.getBlockMaterial(x - 1, y - 1, z) == Material.water ? true : (world.getBlockMaterial(x + 1, y - 1, z) == Material.water ? true : (world.getBlockMaterial(x, y - 1, z - 1) == Material.water ? true : world.getBlockMaterial(x, y - 1, z + 1) == Material.water)));
					
                default:
                    return id == Block.grass.blockID || id == Block.dirt.blockID || id == Block.tilledField.blockID;
            }
        else
            return this.canPlaceBlockOnSide(world, x, y, z, side);
    }

    @Override
    public boolean canBlockStay(World world, int x, int y, int z)
    {
		int meta = world.getBlockMetadata(x, y, z);
	
        if (world.getBlockId(x, y, z) != this.blockID)
		{
			if (meta == 5)
			{
				return 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));
			}
		}
        else
		{
			if (meta == 5)
			{
				return this.canThisPlantGrowOnThisBlockID(world.getBlockId(x, y - 1, z), world.getBlockMetadata(x, y, 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) == CATTAILTOP && world.getBlockId(x, y - 1, z) == this.blockID && world.getBlockMetadata(x, y - 1, z) != CATTAILBOTTOM)
                world.setBlockToAir(x, y, z);
        if (world.getBlockMetadata(x, y, z) == CATTAILBOTTOM && world.getBlockId(x, y + 1, z) != this.blockID)
				world.setBlockToAir(x, y, z);;
    }

    @Override
    public void onEntityCollidedWithBlock(World world, int x, int y, int z, Entity entity)
    {
        int meta = world.getBlockMetadata(x, y, z);
        if (meta == 5)
            entity.attackEntityFrom(DamageSource.cactus, 1);
    }
    
    @Override
    public int getDamageValue(World world, int x, int y, int z)
    {
        int meta = world.getBlockMetadata(x, y, z);
        if (meta == CATTAILTOP || meta == CATTAILBOTTOM)
            meta = 7;
        return meta;
    }
    
    @Override
    public int idDropped(int par1, Random par2Random, int par3)
    {
        if (par1 > 5)
            return this.blockID;
        else
            return -1;
    }
    
    @Override
    public int damageDropped(int meta)
    {
    	if (meta == 9)
    		return 7;
    	else
    		return meta;
    }
    
    @Override
    public int quantityDropped(int meta, int fortune, Random random)
    {
        if (meta == 6)
            return random.nextInt(5) == 0 ? 1 : 0;
        else if (meta == 7 || meta == 8 || meta == 9)
            return 1;
        else
            return 0;
    }
    
    @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 isBlockReplaceable(World world, int x, int y, int z)
    {
        int meta = world.getBlockMetadata(x, y, z);
        if (meta == 5 || meta == 8)
            return false;
        return true;
    }
    
    @Override
    public boolean isShearable(ItemStack item, World world, int x, int y, int z)
    {
    	if (world.getBlockMetadata(x, y, z) == 7 || world.getBlockMetadata(x, y, z) == 8 || world.getBlockMetadata(x, y, z) == 9)
    		return false;
    	else
    		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>();

    	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;
    }
}