From 01ec789162fb3f6c42d8d68525a89d92def255b0 Mon Sep 17 00:00:00 2001
From: feildmaster <admin@feildmaster.com>
Date: Sun, 31 Mar 2013 00:44:48 -0500
Subject: Add Effect command. Adds BUKKIT-3763

---
 .../java/org/bukkit/command/SimpleCommandMap.java  |   1 +
 .../org/bukkit/command/defaults/EffectCommand.java | 111 +++++++++++++++++++++
 .../util/permissions/CommandPermissions.java       |   2 +-
 3 files changed, 113 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/bukkit/command/defaults/EffectCommand.java

(limited to 'src')

diff --git a/src/main/java/org/bukkit/command/SimpleCommandMap.java b/src/main/java/org/bukkit/command/SimpleCommandMap.java
index 04144eb8..3a678e3e 100644
--- a/src/main/java/org/bukkit/command/SimpleCommandMap.java
+++ b/src/main/java/org/bukkit/command/SimpleCommandMap.java
@@ -56,6 +56,7 @@ public class SimpleCommandMap implements CommandMap {
         fallbackCommands.add(new GameRuleCommand());
         fallbackCommands.add(new EnchantCommand());
         fallbackCommands.add(new TestForCommand());
+        fallbackCommands.add(new EffectCommand());
     }
 
     public SimpleCommandMap(final Server server) {
diff --git a/src/main/java/org/bukkit/command/defaults/EffectCommand.java b/src/main/java/org/bukkit/command/defaults/EffectCommand.java
new file mode 100644
index 00000000..bfa5b2a5
--- /dev/null
+++ b/src/main/java/org/bukkit/command/defaults/EffectCommand.java
@@ -0,0 +1,111 @@
+package org.bukkit.command.defaults;
+
+import com.google.common.collect.ImmutableList;
+import java.util.ArrayList;
+import java.util.List;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
+import org.bukkit.util.StringUtil;
+
+public class EffectCommand extends VanillaCommand {
+    private static final List<String> effects;
+
+    public EffectCommand() {
+        super("effect");
+        this.description = "Adds/Removes effects on players";
+        this.usageMessage = "/effect <player> <effect> [seconds] [amplifier]";
+        this.setPermission("bukkit.command.effect");
+    }
+
+    static {
+        ImmutableList.Builder<String> builder = ImmutableList.<String>builder();
+
+        for (PotionEffectType type : PotionEffectType.values()) {
+            if (type != null) {
+                builder.add(type.getName());
+            }
+        }
+
+        effects = builder.build();
+    }
+
+    @Override
+    public boolean execute(CommandSender sender, String commandLabel, String[] args) {
+        if (!testPermission(sender)) {
+            return true;
+        }
+
+        if (args.length < 2) {
+            sender.sendMessage(getUsage());
+            return true;
+        }
+
+        final Player player = sender.getServer().getPlayer(args[0]);
+
+        if (player == null) {
+            sender.sendMessage(ChatColor.RED + String.format("Player, %s, not found", args[0]));
+            return true;
+        }
+
+        PotionEffectType effect = PotionEffectType.getByName(args[1]);
+
+        if (effect == null) {
+            effect = PotionEffectType.getById(getInteger(sender, args[1], 0));
+        }
+
+        if (effect == null) {
+            sender.sendMessage(ChatColor.RED + String.format("Effect, %s, not found", args[1]));
+            return true;
+        }
+
+        int duration = 600;
+        int duration_temp = 30;
+        int amplification = 0;
+
+        if (args.length >= 3) {
+            duration_temp = getInteger(sender, args[2], 0, 1000000);
+            if (effect.isInstant()) {
+                duration = duration_temp;
+            } else {
+                duration = duration_temp * 20;
+            }
+        } else if (effect.isInstant()) {
+            duration = 1;
+        }
+
+        if (args.length >= 4) {
+            amplification = getInteger(sender, args[3], 0, 255);
+        }
+
+        if (duration_temp == 0) {
+            if (!player.hasPotionEffect(effect)) {
+                sender.sendMessage(String.format("Couldn't take %s from %s as they do not have the effect", effect.getName(), args[0]));
+                return true;
+            }
+
+            player.removePotionEffect(effect);
+            broadcastCommandMessage(sender, String.format("Took %s from %s", effect.getName(), args[0]));
+        } else {
+            final PotionEffect applyEffect = new PotionEffect(effect, duration, amplification);
+
+            player.addPotionEffect(applyEffect, true);
+            broadcastCommandMessage(sender, String.format("Given %s (ID %d) * %d to %s for %d seconds", effect.getName(), effect.getId(), amplification, args[0], duration));
+        }
+
+        return true;
+    }
+
+    @Override
+    public List<String> tabComplete(CommandSender sender, String commandLabel, String[] args) {
+        if (args.length == 1) {
+            return super.tabComplete(sender, commandLabel, args);
+        } else if (args.length == 2) {
+            return StringUtil.copyPartialMatches(args[1], effects, new ArrayList<String>(effects.size()));
+        }
+
+        return ImmutableList.of();
+    }
+}
diff --git a/src/main/java/org/bukkit/util/permissions/CommandPermissions.java b/src/main/java/org/bukkit/util/permissions/CommandPermissions.java
index 6c23b51a..4638c91b 100644
--- a/src/main/java/org/bukkit/util/permissions/CommandPermissions.java
+++ b/src/main/java/org/bukkit/util/permissions/CommandPermissions.java
@@ -108,7 +108,7 @@ public final class CommandPermissions {
         DefaultPermissions.registerPermission(PREFIX + "toggledownfall", "Allows the user to toggle rain on/off for a given world", PermissionDefault.OP, commands);
         DefaultPermissions.registerPermission(PREFIX + "defaultgamemode", "Allows the user to change the default gamemode of the server", PermissionDefault.OP, commands);
         DefaultPermissions.registerPermission(PREFIX + "seed", "Allows the user to view the seed of the world", PermissionDefault.OP, commands);
-
+        DefaultPermissions.registerPermission(PREFIX + "effect", "Allows the user to add/remove effects on players", PermissionDefault.OP, commands);
 
         commands.recalculatePermissibles();
 
-- 
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