Add random item share mode for parties.

Use /party itemshare random to enable random item sharing. Disable with
/party itemshare [none | false | off]
Whenever a party member picks up an item, everyone has a chance of
receiving that item instead of the player who picked it up.

src/main/java/com/gmail/nossr50/listeners/PlayerListener.java

@@ -3,6 +3,7 @@ package com.gmail.nossr50.listeners;
 import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
+import org.bukkit.entity.Item;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -14,6 +15,7 @@ import org.bukkit.event.player.PlayerCommandPreprocessEvent;
 import org.bukkit.event.player.PlayerFishEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerPickupItemEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.event.player.PlayerRespawnEvent;
 import org.bukkit.inventory.ItemStack;
@@ -26,6 +28,7 @@ import com.gmail.nossr50.datatypes.McMMOPlayer;
 import com.gmail.nossr50.datatypes.PlayerProfile;
 import com.gmail.nossr50.locale.LocaleLoader;
 import com.gmail.nossr50.party.Party;
+import com.gmail.nossr50.party.ShareHandler;
 import com.gmail.nossr50.skills.fishing.Fishing;
 import com.gmail.nossr50.skills.herbalism.Herbalism;
 import com.gmail.nossr50.skills.mining.BlastMining;
@@ -37,6 +40,7 @@ import com.gmail.nossr50.skills.taming.TamingManager;
 import com.gmail.nossr50.skills.utilities.SkillTools;
 import com.gmail.nossr50.skills.utilities.SkillType;
 import com.gmail.nossr50.util.BlockChecks;
+import com.gmail.nossr50.util.ItemChecks;
 import com.gmail.nossr50.util.Motd;
 import com.gmail.nossr50.util.Misc;
 import com.gmail.nossr50.util.Permissions;
@@ -110,6 +114,27 @@ public class PlayerListener implements Listener {
         }
     }
 
+    /**
+     * Monitor PlayerPickupItem events.
+     *
+     * @param event The event to watch
+     */
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    public void onPlayerPickupItem(PlayerPickupItemEvent event) {
+        Player player = event.getPlayer();
+        Item item = event.getItem();
+
+        if (Misc.isNPCPlayer(player)) {
+            return;
+        }
+
+        McMMOPlayer mcMMOPlayer = Users.getPlayer(player);
+
+        if (mcMMOPlayer.inParty() && ItemChecks.isShareable(item.getItemStack())) {
+            ShareHandler.handleItemShare(event, mcMMOPlayer);
+        }
+    }
+
     /**
      * Monitor PlayerQuit events.
      *

src/main/java/com/gmail/nossr50/party/Party.java

@@ -14,6 +14,7 @@ public class Party {
     private String password;
     private boolean locked;
     private ShareHandler.ShareMode xpShareMode;
+    private ShareHandler.ShareMode itemShareMode;
 
     public List<String> getMembers() {
         return members;
@@ -71,4 +72,12 @@ public class Party {
     public ShareHandler.ShareMode getXpShareMode() {
         return xpShareMode;
     }
+
+    public void setItemShareMode(ShareHandler.ShareMode itemShareMode) {
+        this.itemShareMode = itemShareMode;
+    }
+
+    public ShareHandler.ShareMode getItemShareMode() {
+        return itemShareMode;
+    }
 }

src/main/java/com/gmail/nossr50/party/PartyManager.java

@@ -475,6 +475,7 @@ public final class PartyManager {
             party.setPassword(partiesFile.getString(partyName + ".Password"));
             party.setLocked(partiesFile.getBoolean(partyName + ".Locked"));
             party.setXpShareMode(ShareHandler.ShareMode.getFromString(partiesFile.getString(partyName + ".ExpShareMode")));
+            party.setItemShareMode(ShareHandler.ShareMode.getFromString(partiesFile.getString(partyName + ".ItemShareMode")));
             party.getMembers().addAll(partiesFile.getStringList(partyName + ".Members"));
 
             parties.add(party);
@@ -500,6 +501,7 @@ public final class PartyManager {
             partiesFile.set(partyName + ".Password", party.getPassword());
             partiesFile.set(partyName + ".Locked", party.isLocked());
             partiesFile.set(partyName + ".ExpShareMode", party.getXpShareMode().toString());
+            partiesFile.set(partyName + ".ItemShareMode", party.getItemShareMode().toString());
             partiesFile.set(partyName + ".Members", party.getMembers());
 
             try {

src/main/java/com/gmail/nossr50/party/ShareHandler.java

@@ -2,17 +2,22 @@ package com.gmail.nossr50.party;
 
 import java.util.List;
 
+import org.bukkit.entity.Item;
 import org.bukkit.entity.Player;
+import org.bukkit.event.player.PlayerPickupItemEvent;
+import org.bukkit.inventory.ItemStack;
 
 import com.gmail.nossr50.config.Config;
 import com.gmail.nossr50.datatypes.McMMOPlayer;
 import com.gmail.nossr50.skills.utilities.SkillType;
+import com.gmail.nossr50.util.Misc;
 import com.gmail.nossr50.util.Users;
 
 public final class ShareHandler {
     public enum ShareMode {
         NONE,
-        EQUAL;
+        EQUAL,
+        RANDOM;
 
         public static ShareMode getFromString(String string) {
             try {
@@ -69,5 +74,56 @@ public final class ShareHandler {
             return false;
         }
     }
+
+    /**
+     * Distribute Items amongst party members.
+     *
+     * @param item Item that will get shared
+     * @param mcMMOPlayer Player who picked up the item
+     * @return True if the item has been shared
+     */
+    public static boolean handleItemShare(PlayerPickupItemEvent event, McMMOPlayer mcMMOPlayer) {
+        Item item = event.getItem();
+        ItemStack itemStack = item.getItemStack();
+        Party party = mcMMOPlayer.getParty();
+
+        switch (party.getItemShareMode()) {
+        case EQUAL:
+
+            return false;
+        case RANDOM:
+            Player player = mcMMOPlayer.getPlayer();
+            List<Player> nearMembers = PartyManager.getNearMembers(player, party, Config.getInstance().getPartyShareRange());
+
+            if (nearMembers.isEmpty()) {
+                return false;
+            }
+            int partySize = nearMembers.size() + 1;
+
+            event.setCancelled(true);
+            item.remove();
+
+            Player targetPlayer;
+
+            ItemStack newStack = itemStack.clone();
+            newStack.setAmount(1);
+
+            //TODO Improve this, if possible make this faster.
+            for (int i = 0; i < itemStack.getAmount(); i++) {
+                int randomMember = Misc.getRandom().nextInt(partySize);
+                if (randomMember >= nearMembers.size()) {
+                    targetPlayer = player;
+                } else {
+                    targetPlayer = nearMembers.get(randomMember);
+                }
+                targetPlayer.getInventory().addItem(newStack);
+                targetPlayer.updateInventory();
+            }
+            return true;
+        case NONE:
+        default:
+            return false;
+        }
+    }
 }
 

src/main/java/com/gmail/nossr50/party/commands/PartyCommand.java

@@ -28,6 +28,7 @@ public class PartyCommand implements CommandExecutor {
     private CommandExecutor partyCreateCommand = new PartyCreateCommand();
     private CommandExecutor partyQuitCommand = new PartyQuitCommand();
     private CommandExecutor partyExpShareCommand = new PartyExpShareCommand();
+    private CommandExecutor partyItemShareCommand = new PartyItemShareCommand();
     private CommandExecutor partyInviteCommand = new PartyInviteCommand();
 
     @Override
@@ -72,8 +73,8 @@ public class PartyCommand implements CommandExecutor {
         else if (args[0].equalsIgnoreCase("expshare") || args[0].equalsIgnoreCase("xpshare") || args[0].equalsIgnoreCase("sharexp") || args[0].equalsIgnoreCase("shareexp")) {
             return partyExpShareCommand.onCommand(sender, command, label, args);
         }
-        else if (args[0].equalsIgnoreCase("itemshare")) {
-            return shareItem();
+        else if (args[0].equalsIgnoreCase("itemshare") || args[0].equalsIgnoreCase("shareitem") || args[0].equalsIgnoreCase("shareitems")) {
+            return partyItemShareCommand.onCommand(sender, command, label, args);
         }
         else if (args[0].equalsIgnoreCase("invite")) {
             return partyInviteCommand.onCommand(sender, command, label, args);
@@ -125,7 +126,6 @@ public class PartyCommand implements CommandExecutor {
             String ItemShare = "";
             String ExpShare = "";
             String Split = "";
-            String itemShareMode = "NONE";
 
             for (String otherPlayerName : party.getMembers()) {
                 if (leader.equals(otherPlayerName)) {
@@ -156,7 +156,7 @@ public class PartyCommand implements CommandExecutor {
             }
 
             if (itemShareEnabled) {
-                ItemShare = LocaleLoader.getString("Commands.Party.ItemShare", itemShareMode);
+                ItemShare = LocaleLoader.getString("Commands.Party.ItemShare", party.getItemShareMode().toString());
             }
 
             if (xpShareEnabled && itemShareEnabled) {
@@ -177,10 +177,6 @@ public class PartyCommand implements CommandExecutor {
         return true;
     }
 
-    private boolean shareItem() {
-        return (!CommandHelper.noCommandPermissions(player, "mcmmo.commands.party.itemshare"));
-    }
-
     private boolean printHelp() {
         player.sendMessage(LocaleLoader.getString("Party.Help.3"));
         player.sendMessage(LocaleLoader.getString("Party.Help.1"));

src/main/java/com/gmail/nossr50/party/commands/PartyItemShareCommand.java

@@ -0,0 +1,67 @@
+package com.gmail.nossr50.party.commands;
+
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+import com.gmail.nossr50.locale.LocaleLoader;
+import com.gmail.nossr50.party.Party;
+import com.gmail.nossr50.party.ShareHandler;
+import com.gmail.nossr50.party.ShareHandler.ShareMode;
+import com.gmail.nossr50.util.Misc;
+import com.gmail.nossr50.util.Permissions;
+import com.gmail.nossr50.util.Users;
+
+public class PartyItemShareCommand implements CommandExecutor {
+    private Player player;
+    private Party playerParty;
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if (!Permissions.hasPermission(sender, "mcmmo.commands.party.itemshare")) {
+            sender.sendMessage(command.getPermissionMessage());
+            return true;
+        }
+
+        switch (args.length) {
+        case 2:
+            player = (Player) sender;
+            playerParty = Users.getPlayer(player).getParty();
+
+            if (!playerParty.getLeader().equals(player.getName())) {
+                sender.sendMessage(LocaleLoader.getString("Party.NotOwner"));
+                return true;
+            }
+
+            if (args[1].equalsIgnoreCase("none") || args[1].equalsIgnoreCase("off") || args[1].equalsIgnoreCase("false")) {
+                handleChangingShareMode(ShareMode.NONE);
+            }
+//            else if (args[1].equalsIgnoreCase("equal") || args[1].equalsIgnoreCase("even")) {
+//                handleChangingShareMode(ShareMode.EQUAL);
+//            }
+            else if (args[1].equalsIgnoreCase("random")) {
+                handleChangingShareMode(ShareMode.RANDOM);
+            }
+            else {
+//                sender.sendMessage(LocaleLoader.getString("Commands.Usage.2", "party", "itemshare", "[NONE | EQUAL | RANDOM]"));
+                sender.sendMessage(LocaleLoader.getString("Commands.Usage.2", "party", "itemshare", "[NONE | RANDOM]"));
+            }
+
+            return true;
+
+        default:
+//          sender.sendMessage(LocaleLoader.getString("Commands.Usage.2", "party", "itemshare", "[NONE | EQUAL | RANDOM]"));
+          sender.sendMessage(LocaleLoader.getString("Commands.Usage.2", "party", "itemshare", "[NONE | RANDOM]"));
+            return true;
+        }
+    }
+
+    private void handleChangingShareMode(ShareHandler.ShareMode mode) {
+        playerParty.setItemShareMode(mode);
+
+        for (Player member : playerParty.getOnlineMembers()) {
+            member.sendMessage(LocaleLoader.getString("Commands.Party.SetSharing", LocaleLoader.getString("Party.ShareType.Item"), LocaleLoader.getString("Party.ShareMode." + Misc.getCapitalized(mode.toString()))));
+        }
+    }
+}

src/main/java/com/gmail/nossr50/util/ItemChecks.java

@@ -516,4 +516,117 @@ public class ItemChecks {
             return false;
         }
     }
+
+    /**
+     * Check if an item is sharable.
+     *
+     * @param item Item that will get shared
+     * @return True if the item can be shared.
+     */
+    public static boolean isShareable(ItemStack is) {
+        return isMiningDrop(is) || isWoodcuttingDrop(is) || isMobDrop(is) || isHerbalismDrop(is);
+    }
+
+    /**
+     * Checks to see if an item is a mining drop.
+     *
+     * @param is Item to check
+     * @return true if the item is a mining drop, false otherwise
+     */
+    public static boolean isMiningDrop(ItemStack is) {
+        switch (is.getType()) {
+        case COAL:
+        case COAL_ORE:
+        case DIAMOND:
+        case DIAMOND_ORE:
+        case EMERALD:
+        case EMERALD_ORE:
+        case GOLD_ORE:
+        case IRON_ORE:
+        case LAPIS_ORE:
+        case REDSTONE_ORE:
+        case REDSTONE:
+        case GLOWSTONE_DUST:
+            return true;
+
+        case INK_SACK:
+            if (is.getData().getData() == DyeColor.BLUE.getDyeData()) {
+                return true;
+            }
+
+        default:
+            return false;
+        }
+    }
+
+    public static boolean isHerbalismDrop(ItemStack is) {
+        switch (is.getType()) {
+        case WHEAT:
+        case SEEDS:
+        case CARROT:
+        case POTATO:
+        case COCOA:
+        case NETHER_WARTS:
+        case APPLE:
+        case BROWN_MUSHROOM:
+        case RED_MUSHROOM:
+        case RED_ROSE:
+        case YELLOW_FLOWER:
+        case CACTUS:
+        case SUGAR_CANE:
+            //TODO Add the rest
+            return true;
+
+        default:
+            return false;
+        }
+    }
+
+    public static boolean isMobDrop(ItemStack is) {
+        switch (is.getType()) {
+        case STRING:
+        case FEATHER:
+        case RAW_CHICKEN:
+        case COOKED_CHICKEN:
+        case LEATHER:
+        case RAW_BEEF:
+        case COOKED_BEEF:
+        case PORK:
+        case GRILLED_PORK:
+        case WOOL:
+        case RED_ROSE:
+        case IRON_INGOT:
+        case SNOW_BALL:
+        case BLAZE_ROD:
+        case SPIDER_EYE:
+        case SULPHUR:
+        case ENDER_PEARL:
+        case GHAST_TEAR:
+        case MAGMA_CREAM:
+        case BONE:
+        case ARROW:
+        case SLIME_BALL:
+        case NETHER_STAR:
+        case COAL:
+        case ROTTEN_FLESH:
+        case GOLD_NUGGET:
+        case EGG:
+            return true;
+
+        default:
+            return false;
+        }
+    }
+
+    public static boolean isWoodcuttingDrop(ItemStack is) {
+        switch (is.getType()) {
+        case LOG:
+        case LEAVES:
+        case SAPLING:
+            return true;
+
+        default:
+            return false;
+        }
+    }
 }