BlockPondScum.java

package emasher.blocks;

import emasher.EngineersToolbox;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLilyPad;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.init.Blocks;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.World;

import java.util.Random;

public class BlockPondScum extends BlockLilyPad {
	public static final int GROWTH_TIME = 6;
	
	
	public BlockPondScum() {
		super();
		this.setTickRandomly( true );
		this.setCreativeTab( EngineersToolbox.tabBlocks() );
	}
	
	@Override
	public void registerBlockIcons( IIconRegister par1IconRegister ) {
		this.blockIcon = par1IconRegister.registerIcon( "eng_toolbox:algae" );
	}

	@Override
	public int getBlockColor() {
		return 16777215;
	}

	@Override
	public int getRenderColor( int i ) {
		return 16777215;
	}
	
	@Override
	public AxisAlignedBB getCollisionBoundingBoxFromPool( World world, int i, int j, int k ) {
		return null;
	}

	@Override
	protected boolean canPlaceBlockOn( Block id ) {
		return ( id == Blocks.water || id == emasher.blocks.Blocks.nutrientWater() );
	}

	@Override
	public boolean canBlockStay( World world, int x, int y, int z ) {
		return super.canBlockStay( world, x, y, z ) || world.getBlock( x, y - 1, z ) == emasher.blocks.Blocks.nutrientWater();
	}
	
	@Override
	public void updateTick( World world, int x, int y, int z, Random random ) {
		int meta = world.getBlockMetadata( x, y, z );
		Block underID = world.getBlock( x, y - 1, z );
		if( world.getBlockLightValue( x, y, z ) >= 14 ) {
			if( meta >= GROWTH_TIME || ( underID == emasher.blocks.Blocks.nutrientWater() && meta >= GROWTH_TIME / 2 ) ) {
				int xInc, zInc;
				boolean canPlace = false;
				int tries = 0;
				
				do {
					xInc = random.nextInt( 3 ) - 1;
					zInc = random.nextInt( 3 ) - 1;
					canPlace = world.isAirBlock( x + xInc, y, z + zInc ) && canPlaceBlockOn( world.getBlock( x + xInc, y - 1, z + zInc ) );
					
					tries++;
				}
				while( !( xInc == 0 && zInc == 0 ) && !canPlace && tries <= 9 );
				
				int tx = x + xInc;
				int tz = z + zInc;
				
				int ty = y - 1;
				int i = 0;
				
				while( canPlaceBlockOn( world.getBlock( tx, ty, tz ) ) && i < emasher.util.Config.algaeDepth() ) {
					ty--;
					i++;
				}
				
				if( i >= emasher.util.Config.algaeDepth() ) {
					canPlace = false;
				}
				
				if( canPlace ) {
					Block toPlaceId = world.getBlock( x + xInc, y - 1, z + zInc );
					if( toPlaceId == emasher.blocks.Blocks.nutrientWater() ) {
						if( world.rand.nextInt( 100 ) < 5 )
							world.setBlock( x + xInc, y, z + zInc, emasher.blocks.Blocks.superAlgae(), 0, 3 );
						else world.setBlock( x + xInc, y, z + zInc, this, 0, 3 );
					} else {
						world.setBlock( x + xInc, y, z + zInc, this, 0, 3 );
					}
					world.setBlockMetadataWithNotify( x, y, z, 0, 2 );
				}
			} else {
				world.setBlockMetadataWithNotify( x, y, z, meta + 1, 2 );
			}
			
		}
		
	}

}