From 2bf1563b202954bafba94820718ddda2b8ceea8f Mon Sep 17 00:00:00 2001
From: GJ <gjmcferrin@gmail.com>
Date: Wed, 21 Mar 2012 02:03:22 -0400
Subject: [PATCH] Implemented slow/speed effects for Stick alt-fire.

---
 .../nossr50/listeners/mcEntityListener.java   | 24 +++++++
 .../java/com/gmail/nossr50/skills/Staves.java | 65 +++++++++++++++++++
 2 files changed, 89 insertions(+)

diff --git a/src/main/java/com/gmail/nossr50/listeners/mcEntityListener.java b/src/main/java/com/gmail/nossr50/listeners/mcEntityListener.java
index 9ebfe743c..b1adba185 100644
--- a/src/main/java/com/gmail/nossr50/listeners/mcEntityListener.java
+++ b/src/main/java/com/gmail/nossr50/listeners/mcEntityListener.java
@@ -5,6 +5,7 @@ import org.bukkit.entity.Entity;
 import org.bukkit.entity.EntityType;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
+import org.bukkit.entity.Projectile;
 import org.bukkit.entity.TNTPrimed;
 import org.bukkit.entity.Wolf;
 import org.bukkit.event.EventHandler;
@@ -39,6 +40,7 @@ import com.gmail.nossr50.skills.Acrobatics;
 import com.gmail.nossr50.skills.Archery;
 import com.gmail.nossr50.skills.BlastMining;
 import com.gmail.nossr50.skills.Skills;
+import com.gmail.nossr50.skills.Staves;
 import com.gmail.nossr50.skills.Taming;
 
 public class mcEntityListener implements Listener {
@@ -80,6 +82,28 @@ public class mcEntityListener implements Listener {
             if (!m.isInvincible(livingDefender, event)) {
                 Combat.combatChecks(event, plugin);
             }
+
+            if (attacker.hasMetadata("mcmmoFiredFromStaff")) {
+                event.setDamage(0);
+
+                Projectile projectile = (Projectile) attacker;
+                Player shooter = (Player) projectile.getShooter();
+
+                switch (attacker.getType()) {
+                case EGG:
+                    Staves.eggEffect(livingDefender, shooter);
+                    break;
+
+                case FIREBALL:
+                    break;
+
+                case SNOWBALL:
+                    break;
+
+                default:
+                    break;
+                }
+            }
         }
     }
 
diff --git a/src/main/java/com/gmail/nossr50/skills/Staves.java b/src/main/java/com/gmail/nossr50/skills/Staves.java
index 09d95c2de..f2fa477fe 100644
--- a/src/main/java/com/gmail/nossr50/skills/Staves.java
+++ b/src/main/java/com/gmail/nossr50/skills/Staves.java
@@ -1,16 +1,23 @@
 package com.gmail.nossr50.skills;
 
+import java.util.Collection;
+
 import org.bukkit.Material;
 import org.bukkit.entity.Egg;
 import org.bukkit.entity.Fireball;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.entity.Projectile;
 import org.bukkit.entity.Snowball;
 import org.bukkit.metadata.FixedMetadataValue;
+import org.bukkit.potion.PotionEffect;
+import org.bukkit.potion.PotionEffectType;
 
 import com.gmail.nossr50.mcMMO;
+import com.gmail.nossr50.party.Party;
 
 public class Staves {
+    
 
     /**
      * Fire a projectile on alt-fire from a staff.
@@ -41,4 +48,62 @@ public class Staves {
 
         projectile.setMetadata("mcmmoFiredFromStaff", new FixedMetadataValue(plugin, true));
     }
+
+    /**
+     * Handle the effects of the Stick's projectile.
+     *
+     * @param target Entity hit by the projectile
+     * @param shooter Player who fired the projectile
+     */
+    public static void eggEffect(LivingEntity target, Player shooter) {
+        final int TICKS_PER_SECOND = 20;
+        final int MAX_SLOW_DURATION_SECONDS = 240;
+        final int MAX_SPEED_DURATION_SECONDS = 800;
+
+        Collection<PotionEffect> potionEffects = target.getActivePotionEffects();
+
+        int duration = durationCalulate();
+        int amplifier = amplifierCalulate();
+        PotionEffectType type;
+
+        if (target instanceof Player && Party.getInstance().inSameParty((Player) target, shooter)) {
+            type = PotionEffectType.SPEED;
+        }
+        else {
+            type = PotionEffectType.SLOW;
+        }
+
+        for (PotionEffect effect : potionEffects) {
+            if (effect.getType().equals(type)) {
+                duration = duration + effect.getDuration();
+                break;
+            }
+        }
+
+        if (type.equals(PotionEffectType.SLOW) && duration > (TICKS_PER_SECOND * MAX_SLOW_DURATION_SECONDS)) {
+            duration = (TICKS_PER_SECOND * MAX_SLOW_DURATION_SECONDS);
+        }
+        else if (type.equals(PotionEffectType.SPEED) && duration > (TICKS_PER_SECOND * MAX_SPEED_DURATION_SECONDS)) {
+            duration = (TICKS_PER_SECOND * MAX_SPEED_DURATION_SECONDS);
+        }
+
+        target.addPotionEffect(new PotionEffect(type, duration, amplifier));
+
+        if (type.equals(PotionEffectType.SLOW)) {
+            shooter.sendMessage("Your enemy was slowed!"); //TODO: Use mcLocale
+        }
+        else {
+            shooter.sendMessage("Your ally's speed was boosted!"); //TODO: Use mcLocale
+        }
+    }
+
+    private static int durationCalulate() {
+        //TODO: Calculate duration based off time held
+        return 80;
+    }
+
+    private static int amplifierCalulate() {
+        //TODO: Calculate amplifier based off skill level
+        return 10;
+    }
 }