完成收集监听与变量部分

.examples/backpacks/miner.yml

@@ -21,6 +21,5 @@ items:
   "DIAMOND":
     original: true #只允许无任何特殊属性的物品被收入
     slot: 5
-    limit: 500
     price: 10
     name: "&b&l钻石"

README.md

@@ -101,6 +101,9 @@
 # %UltraBackpack_remain_<背包ID>_<物品ID>%
 - 得到对应背包内对应物品的剩余可售出数量
 - $剩余可售出数量 = $每日售出限制 - $今日售出数量
+
+# %UltraBackpack_capacity_<背包ID>%
+- 得到对应背包的容量
 ```
 
 </details>

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/Main.java

@@ -4,6 +4,7 @@ import cc.carm.plugin.ultrabackpack.api.UltraBackpackAPI;
 import cc.carm.plugin.ultrabackpack.api.util.ColorParser;
 import cc.carm.plugin.ultrabackpack.api.util.MessageUtil;
 import cc.carm.plugin.ultrabackpack.configuration.PluginConfig;
+import cc.carm.plugin.ultrabackpack.hooker.UBExpansion;
 import cc.carm.plugin.ultrabackpack.listener.CollectListener;
 import cc.carm.plugin.ultrabackpack.listener.UserListener;
 import cc.carm.plugin.ultrabackpack.manager.BackpackManager;
@@ -84,7 +85,7 @@ public class Main extends JavaPlugin {
 
 		if (MessageUtil.hasPlaceholderAPI()) {
 			log("注册变量...");
-
+			new UBExpansion(this).register();
 		} else {
 			log("检测到未安装PlaceholderAPI，跳过变量注册。");
 		}

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/configuration/backpack/BackpackConfiguration.java

@@ -35,7 +35,6 @@ public class BackpackConfiguration {
 		return this.name;
 	}
 	
-
 	public @NotNull GUIConfiguration getGUIConfiguration() {
 		return this.guiConfiguration;
 	}

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/hooker/UBExpansion.java

@@ -3,7 +3,6 @@ package cc.carm.plugin.ultrabackpack.hooker;
 import cc.carm.plugin.ultrabackpack.Main;
 import me.clip.placeholderapi.expansion.PlaceholderExpansion;
 import org.bukkit.entity.Player;
-import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.Arrays;
@@ -12,14 +11,17 @@ import java.util.List;
 public class UBExpansion extends PlaceholderExpansion {
 
 	private static final List<String> PLACEHOLDERS = Arrays.asList(
-			"%UltraBackpack_%",
-			"%UltraBackpack_%"
+			"%UltraBackpack_amount_<BackpackID>_<ItemTypeID>%",
+			"%UltraBackpack_sold_<BackpackID>_<ItemTypeID>%",
+			"%UltraBackpack_price_<BackpackID>_<ItemTypeID>%",
+			"%UltraBackpack_remain_<BackpackID>_<ItemTypeID>%",
+			"%UltraBackpack_capacity_<BackpackID>%"
 	);
 
-	JavaPlugin plugin;
+	Main main;
 
-	public UBExpansion(JavaPlugin plugin) {
-		this.plugin = plugin;
+	public UBExpansion(Main main) {
+		this.main = main;
 	}
 
 	@Override
@@ -34,17 +36,17 @@ public class UBExpansion extends PlaceholderExpansion {
 
 	@Override
 	public @NotNull String getAuthor() {
-		return plugin.getDescription().getAuthors().toString();
+		return main.getDescription().getAuthors().toString();
 	}
 
 	@Override
 	public @NotNull String getIdentifier() {
-		return plugin.getDescription().getName();
+		return main.getDescription().getName();
 	}
 
 	@Override
 	public @NotNull String getVersion() {
-		return plugin.getDescription().getVersion();
+		return main.getDescription().getVersion();
 	}
 
 	@Override
@@ -75,14 +77,14 @@ public class UBExpansion extends PlaceholderExpansion {
 				Integer sold = Main.getUserManager().getData(player).getItemSold(args[2], args[3]);
 				if (sold == null) return "背包或物品不存在";
 
-				Integer limit = Main.getBackpackManager().getItemLimit(args[2], args[3]);
+				Integer limit = Main.getBackpackManager().getItemSellLimit(args[2], args[3]);
 				if (limit == null) return "背包或物品不存在";
 
 				return Integer.toString(limit - sold);
 			}
 			case "limit": {
 				if (args.length < 3) return "参数不足";
-				Integer limit = Main.getBackpackManager().getItemLimit(args[2], args[3]);
+				Integer limit = Main.getBackpackManager().getItemSellLimit(args[2], args[3]);
 				if (limit == null) return "背包或物品不存在";
 				else return limit.toString();
 			}

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/listener/CollectListener.java

@@ -1,8 +1,12 @@
 package cc.carm.plugin.ultrabackpack.listener;
 
+import cc.carm.plugin.ultrabackpack.Main;
 import cc.carm.plugin.ultrabackpack.configuration.PluginConfig;
+import org.bukkit.Location;
+import org.bukkit.World;
 import org.bukkit.entity.Player;
 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.entity.EntityDeathEvent;
@@ -14,34 +18,61 @@ import java.util.UUID;
 
 public class CollectListener implements Listener {
 
-	@EventHandler
+	@EventHandler(priority = EventPriority.HIGH)
 	public void onBreak(BlockBreakEvent event) {
-		if (!PluginConfig.Collect.BREAK.get()) return;
-		Player player = event.getPlayer();
+		if (event.isCancelled() || !event.isDropItems() || !PluginConfig.Collect.BREAK.get()) return;
 
-		Collection<ItemStack> drops = event.getBlock().getDrops();
+		Player player = event.getPlayer();
+		if (!Main.getUserManager().isCollectEnabled(player)) return;
+
+		Location location = event.getBlock().getLocation();
+		World world = event.getBlock().getWorld();
+
+		Collection<ItemStack> drops;
+		if (player.getItemInUse() == null) {
+			drops = event.getBlock().getDrops();
+		} else {
+			drops = event.getBlock().getDrops(player.getItemInUse(), player.getPlayer());
+		}
+
+		if (drops.isEmpty()) return;
+		event.setDropItems(false);
+
+		Collection<ItemStack> finalDrops = Main.getBackpackManager().collectItem(player, drops);
+		finalDrops.forEach(finalDrop -> world.dropItemNaturally(location, finalDrop));
 
 	}
 
-	@EventHandler
-	public void onBreak(EntityDeathEvent event) {
+	@EventHandler(priority = EventPriority.HIGH)
+	public void onDeath(EntityDeathEvent event) {
 		if (!PluginConfig.Collect.KILL.get()) return;
+
 		Player player = event.getEntity().getKiller();
 		if (player == null) return;
+		if (!Main.getUserManager().isCollectEnabled(player)) return;
 
-		Collection<ItemStack> drops = event.getDrops();
+		Collection<ItemStack> finalDrops = Main.getBackpackManager().collectItem(player, event.getDrops());
+		event.getDrops().clear();
+		event.getDrops().addAll(finalDrops);
 	}
 
+	@EventHandler(priority = EventPriority.HIGH)
 	public void onPickup(EntityPickupItemEvent event) {
-		if (!PluginConfig.Collect.PICKUP.get()) return;
+		if (event.isCancelled() || !PluginConfig.Collect.PICKUP.get()) return;
 		if (!(event.getEntity() instanceof Player)) return;
-		Player player = (Player) event.getEntity();
 
+		Player player = (Player) event.getEntity();
+		if (!Main.getUserManager().isCollectEnabled(player)) return;
+
+		// 自己扔出去的东西不计入背包
 		UUID thrower = event.getItem().getThrower();
 		if (thrower != null && thrower.equals(player.getUniqueId())) return;
 
 		ItemStack item = event.getItem().getItemStack();
-
+		if (Main.getBackpackManager().collectItem(player, item)) {
+			event.setCancelled(true);
+			event.getItem().remove();
+		}
 	}
 
 

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/manager/BackpackManager.java

@@ -1,12 +1,18 @@
 package cc.carm.plugin.ultrabackpack.manager;
 
+import cc.carm.plugin.ultrabackpack.Main;
 import cc.carm.plugin.ultrabackpack.configuration.backpack.BackpackConfiguration;
 import cc.carm.plugin.ultrabackpack.configuration.backpack.BackpackItem;
+import cc.carm.plugin.ultrabackpack.data.UserData;
 import com.google.common.collect.HashMultimap;
+import org.bukkit.Material;
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.HashMap;
+import java.util.*;
+import java.util.stream.Collectors;
 
 public class BackpackManager {
 
@@ -40,6 +46,52 @@ public class BackpackManager {
 		return getBackpacks().get(backpackID);
 	}
 
+	public Set<BackpackConfiguration> getItemBackpacks(ItemStack itemStack) {
+		return getItemBackpacks(itemStack.getType(), itemStack.getDurability());
+	}
+
+	public @Nullable Set<BackpackConfiguration> getItemBackpacks(Material material, int data) {
+		return Optional.ofNullable(itemMap.get(getItemTypeID(material, data)))
+				.map(set -> set.stream().map(this::getBackpack).collect(Collectors.toSet()))
+				.orElse(null);
+	}
+
+	public Set<BackpackConfiguration> getPlayerUsableBackpack(Player player, ItemStack itemStack) {
+		String typeID = getItemTypeID(itemStack);
+		return getItemBackpacks(itemStack).stream().filter(configuration -> {
+			int currentAmount = Optional.ofNullable(Main.getUserManager().getData(player)
+					.getItemAmount(configuration.getIdentifier(), typeID)).orElse(0);
+			int backpackCapacity = configuration.getCapacity().getPlayerCapacity(player);
+			return currentAmount + itemStack.getAmount() <= backpackCapacity;
+		}).collect(Collectors.toSet());
+	}
+
+	public @NotNull String getItemTypeID(Material material, int data) {
+		return material.name() + ":" + data;
+	}
+
+	public @NotNull String getItemTypeID(ItemStack itemStack) {
+		return getItemTypeID(itemStack.getType(), itemStack.getDurability());
+	}
+
+	public Collection<ItemStack> collectItem(Player player, Collection<ItemStack> items) {
+		if (!Main.getUserManager().isCollectEnabled(player)) return new ArrayList<>();
+		else return items.stream().filter(item -> collectItem(player, item)).collect(Collectors.toList());
+	}
+
+	public boolean collectItem(Player player, ItemStack item) {
+		if (!Main.getUserManager().isCollectEnabled(player)) return false;
+		Set<BackpackConfiguration> usableBackpacks = getPlayerUsableBackpack(player, item);
+		if (usableBackpacks.size() < 1) return false;
+		BackpackConfiguration configuration = usableBackpacks.stream().findFirst().orElse(null);
+
+		String typeID = getItemTypeID(item);
+		UserData data = Main.getUserManager().getData(player);
+		int itemAmount = item.getAmount();
+		data.addItemAmount(configuration.getIdentifier(), typeID, itemAmount);
+		return true;
+	}
+
 	/**
 	 * 获得某背包配置中的某件物品单价，最低为0。
 	 *
@@ -62,7 +114,7 @@ public class BackpackManager {
 	 * @param itemTypeID 物品ID
 	 * @return 若为空，则该背包或该物品不存在。
 	 */
-	public @Nullable Integer getItemLimit(@NotNull String backpackID, @NotNull String itemTypeID) {
+	public @Nullable Integer getItemSellLimit(@NotNull String backpackID, @NotNull String itemTypeID) {
 		BackpackConfiguration configuration = getBackpack(backpackID);
 		if (configuration == null) return null;
 		BackpackItem item = configuration.getItems().get(itemTypeID);
@@ -70,5 +122,18 @@ public class BackpackManager {
 		return item.getLimit();
 	}
 
+	/**
+	 * 获得某背包配置中的某件物品每日售出限制，最低为0。
+	 *
+	 * @param backpack   背包
+	 * @param itemTypeID 物品ID
+	 * @return 若为空，则该背包或该物品不存在。
+	 */
+	public @Nullable Integer getItemSellLimit(@NotNull BackpackConfiguration backpack, @NotNull String itemTypeID) {
+		BackpackItem item = backpack.getItems().get(itemTypeID);
+		if (item == null) return null;
+		return item.getLimit();
+	}
+
 
 }

ultrabackpack-plugin/src/main/java/cc/carm/plugin/ultrabackpack/manager/UserManager.java

@@ -40,4 +40,10 @@ public class UserManager implements UBUserManager {
 		}
 	}
 
+
+	public boolean isCollectEnabled(Player player) {
+		return player.hasPermission("UltraBackpack.use") &&
+				player.hasPermission("UltraBackpack.auto") &&
+				player.hasPermission("UltraBackpack.auto.enable");
+	}
 }