gistfile1.txt

package rusty.is.the.best;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map.Entry;
import org.bukkit.Bukkit;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.craftbukkit.v1_7_R4.CraftWorld;
import org.bukkit.craftbukkit.v1_7_R4.util.CraftMagicNumbers;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockPhysicsEvent;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.plugin.java.JavaPlugin;

public class SugarDupeFix extends JavaPlugin implements Listener, Runnable {

    private HashMap<Location, Long> locations = new HashMap<>();

    @Override
    public void onEnable() {
        Bukkit.getPluginManager().registerEvents(this, this);
        Bukkit.getScheduler().scheduleSyncRepeatingTask(this, this, 1, 10);
    }

    @Override
    public void run() {
        Iterator<Entry<Location, Long>> it = locations.entrySet().iterator();

        while (it.hasNext()) {
            Entry<Location, Long> entry = it.next();
            if (System.currentTimeMillis() - entry.getValue() > 1000) {
                it.remove();
            }
        }
    }

    private final BlockFace[] faces = new BlockFace[]{
        BlockFace.UP, BlockFace.DOWN, BlockFace.EAST, BlockFace.WEST, BlockFace.NORTH, BlockFace.SOUTH
    };

    @EventHandler
    public void onBlockPhysics(BlockPhysicsEvent event) {
        if (event.getChangedType() == Material.WOODEN_DOOR || event.getChangedType() == Material.IRON_DOOR_BLOCK) {
            if (event.getBlock().getType() == Material.SUGAR_CANE_BLOCK || event.getBlock().getType() == Material.CACTUS) {
                Material updaterMaterial = event.getChangedType();
                Block targetBlock = event.getBlock();
                ArrayList<Block> potentialBlocks = new ArrayList<>();
                
                for (BlockFace bf : faces) {
                    Block testBlock = event.getBlock().getRelative(bf);
                    if (testBlock.getType() == event.getChangedType()) {
                        potentialBlocks.add(testBlock);
                    }
                }
                
                event.setCancelled(true);
                Bukkit.getScheduler().runTaskLater(this, () -> {
                    for (Block b : potentialBlocks) {
                        if (locations.containsKey(b.getLocation())) {
                            System.out.println("true");
                            return;
                        }
                    }
                        
                    net.minecraft.server.v1_7_R4.Block nmsBlock = CraftMagicNumbers.getBlock(targetBlock);
                    nmsBlock.doPhysics(((CraftWorld) targetBlock.getWorld()).getHandle(), targetBlock.getX(), targetBlock.getY(), targetBlock.getZ(), CraftMagicNumbers.getBlock(updaterMaterial));
                    System.out.println("true2");
                }, 1);
            }
        }
    }

    @EventHandler(priority = EventPriority.MONITOR)
    public void onBlockPlace(BlockPlaceEvent event) {
        Location blockLoc = event.getBlock().getLocation();
        if (event.isCancelled() && (event.getBlock().getType() == Material.WOODEN_DOOR || event.getBlock().getType() == Material.IRON_DOOR_BLOCK) && blockLoc.getBlockY() < blockLoc.getWorld().getMaxHeight() - 1) {
            locations.put(blockLoc, System.currentTimeMillis());
            locations.put(blockLoc.clone().add(0, 1, 0), System.currentTimeMillis());
        }
    }

}