BlockBreakEventHandler

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.block.BlockLeavesBase;
import net.minecraft.block.BlockLog;
import net.minecraft.world.World;
import net.minecraftforge.event.world.BlockEvent;

/**
 * Created on 5/31/2014 at 1:21 PM
 * Must be registered with the MinecraftForge.EVENT_BUS
 */
public class BlockBreakEventHandler {

    private static int logIndex = 0;
    public static int maxLogIndex = 20;

    @SubscribeEvent
    public void onBlockBreak(BlockEvent.BreakEvent event) {
        if (event.block instanceof BlockLog) {
            scanForLogs(event.world, event.x, event.y, event.z);
        }
        /*int xp = event.getExpToDrop();
        if (xp != 0) {
            event.getPlayer().experienceTotal += xp;
            event.setExpToDrop(0);
        }*/
    }

    private static void scanForLogs(World world, int x, int y, int z) {
        if (logIndex < maxLogIndex) {
            for (int i1 = -1; i1 < 1; i1++) {
                for (int i2 = -1; i2 < 1; i2++) {
                    for (int i3 = -1; i3 < 1; i3++) {
                        if (logIndex < maxLogIndex) {
                            int newX = x + i1;
                            int newY = y + i2;
                            int newZ = z + i3;
                            System.out.println(newX + ", " + newY + ", " + newZ);
                            Block block = world.getBlock(newX, newY, newZ);
                            if (block instanceof BlockLeavesBase) {
                                //System.out.println("DETECTED LEAVES: " + newX + ", " + newY + ", " + newZ);
                                block.breakBlock(world, newX, newY, newZ, block, world.getBlockMetadata(newX, newY, newZ));
                                world.setBlockToAir(newX, newY, newZ);
                            } else if (block instanceof BlockLog) {
                                //System.out.println("DETECTED LOG: " + newX + ", " + newY + ", " + newZ);
                                logIndex++;
                                //System.out.println(logIndex);
                                block.breakBlock(world, newX, newY, newZ, block, world.getBlockMetadata(newX, newY, newZ));
                                world.setBlockToAir(newX, newY, newZ);
                                scanForLogs(world, newX, newY, newZ);
                                break;
                            } else {
                                break;
                            }
                        } else {
                            break;
                        }
                    }
                }
            }
        } else {
            logIndex = 0;
        }
    }

}