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SignBreak.java
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SignBreak.java
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package com.Acrobot.ChestShop.Listeners.Block.Break;
import static com.Acrobot.ChestShop.Permission.ADMIN;
import static com.Acrobot.ChestShop.Permission.MOD;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.Container;
import org.bukkit.block.Sign;
import org.bukkit.entity.Player;
import org.bukkit.event.Event;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockBreakEvent;
import org.bukkit.event.block.BlockBurnEvent;
import org.bukkit.event.block.BlockPhysicsEvent;
import org.bukkit.event.block.BlockPistonExtendEvent;
import org.bukkit.event.block.BlockPistonRetractEvent;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.metadata.FixedMetadataValue;
import com.Acrobot.Breeze.Utils.BlockUtil;
import com.Acrobot.ChestShop.ChestShop;
import com.Acrobot.ChestShop.Permission;
import com.Acrobot.ChestShop.Configuration.Properties;
import com.Acrobot.ChestShop.Events.ShopDestroyedEvent;
import com.Acrobot.ChestShop.Signs.ChestShopSign;
import com.Acrobot.ChestShop.Utils.uBlock;
import com.google.common.collect.Lists;
/**
* @author Acrobot
*/
public class SignBreak implements Listener {
private static final BlockFace[] SIGN_CONNECTION_FACES = { BlockFace.SOUTH, BlockFace.NORTH, BlockFace.EAST, BlockFace.WEST, BlockFace.UP };
private static final String METADATA_NAME = "shop_destroyer";
@EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
public static void onSign(BlockPhysicsEvent event) {
Block block = event.getBlock();
if (!BlockUtil.isSign(block)) {
return;
}
Sign sign = (Sign) block.getState();
Block attachedBlock = BlockUtil.getAttachedBlock(sign);
if (attachedBlock.getType() == Material.AIR && ChestShopSign.isLegacyValid(sign)) {
if (!block.hasMetadata(METADATA_NAME)) {
return;
}
sendShopDestroyedEvent(sign, (Player) block.getMetadata(METADATA_NAME).get(0).value());
}
}
@EventHandler(ignoreCancelled = true)
public static void onSignBreak(BlockBreakEvent event) {
if (!canBlockBeBroken(event.getBlock(), event.getPlayer())) {
event.setCancelled(true);
}
}
@EventHandler(ignoreCancelled = true, priority = EventPriority.MONITOR)
public static void onBrokenSign(BlockBreakEvent event) {
if (ChestShopSign.isLegacyValid(event.getBlock())) {
sendShopDestroyedEvent((Sign) event.getBlock().getState(), event.getPlayer());
}
}
@EventHandler(ignoreCancelled = true)
public static void onBlockPistonExtend(BlockPistonExtendEvent event) {
for (Block block : event.getBlocks()) {
if (!canBlockBeBroken(block, null)) {
event.setCancelled(true);
return;
}
}
}
@EventHandler(ignoreCancelled = true)
public static void onBlockPistonRetract(BlockPistonRetractEvent event) {
for (Block block : event.getBlocks()) {
if (!canBlockBeBroken(block, null)) {
event.setCancelled(true);
return;
}
}
}
@EventHandler(ignoreCancelled = true)
public static void onExplosion(EntityExplodeEvent event) {
if (event.blockList() == null || !Properties.USE_BUILT_IN_PROTECTION) {
return;
}
for (Block block : event.blockList()) {
if (!canBlockBeBroken(block, null)) {
event.setCancelled(true);
return;
}
}
}
@EventHandler(ignoreCancelled = true)
public static void onIgnite(BlockBurnEvent event) {
if (!canBlockBeBroken(event.getBlock(), null)) {
event.setCancelled(true);
}
}
public static boolean canBlockBeBroken(Block block, Player breaker) {
List<Sign> attachedSigns = getAttachedSigns(block);
List<Sign> brokenBlocks = new LinkedList<Sign>();
boolean canBeBroken = true;
for (Sign sign : attachedSigns) {
if (!canBeBroken || !ChestShopSign.isLegacyValid(sign)) {
continue;
}
if (Properties.TURN_OFF_SIGN_PROTECTION || canDestroyShop(breaker, sign)) {
brokenBlocks.add(sign);
} else {
canBeBroken = false;
}
}
if (!canBeBroken) {
return false;
}
for (Sign sign : brokenBlocks) {
sign.setMetadata(METADATA_NAME, new FixedMetadataValue(ChestShop.getPlugin(), breaker));
}
return true;
}
private static boolean canDestroyShop(Player player, Sign sign) {
return player != null && (hasShopBreakingPermission(player) || ChestShopSign.isOwner(player, sign));
}
private static boolean hasShopBreakingPermission(Player player) {
return Permission.has(player, ADMIN) || Permission.has(player, MOD);
}
private static void sendShopDestroyedEvent(Sign sign, Player player) {
Container connectedChest = null;
if (!ChestShopSign.isAdminShop(sign)) {
connectedChest = uBlock.findConnectedChest(sign);
}
Event event = new ShopDestroyedEvent(player, sign, connectedChest);
ChestShop.callEvent(event);
}
private static List<Sign> getAttachedSigns(Block block) {
if (block == null) {
return Lists.newArrayList();
}
if (BlockUtil.isSign(block)) {
return Collections.singletonList((Sign) block.getState());
} else {
List<Sign> attachedSigns = new LinkedList<Sign>();
for (BlockFace face : SIGN_CONNECTION_FACES) {
Block relative = block.getRelative(face);
if (!BlockUtil.isSign(relative)) {
continue;
}
Sign sign = (Sign) relative.getState();
if (BlockUtil.getAttachedBlock(sign).equals(block)) {
attachedSigns.add(sign);
}
}
return attachedSigns;
}
}
}