Merge pull request #97 from Carbogen/master

Added a ComboAddonAPI and fixed some bugs with HorizontalCollision Damage

.gitignore

@@ -38,4 +38,9 @@ Icon
 .Trashes
 
 bin/
-*.classpath
+*.classpath
+.idea/.name
+*.xml
+*.class
+*.class
+ProjectKorra.iml

out/production/ProjectKorra/plugin.yml

@@ -0,0 +1,156 @@
+name: ProjectKorra
+author: ProjectKorra
+version: 1.6.0 BETA 14
+main: com.projectkorra.ProjectKorra.ProjectKorra
+softdepend: [PreciousStones, WorldGuard, WorldEdit, Factions, MassiveCore, GriefPrevention, Towny, NoCheatPlus, LWC]
+commands:
+  projectkorra:
+    aliases: [b,bending,mtla,tla,korra,pk,bend]
+    usage: /<command>
+permissions:
+  bending.admin:
+    default: op
+    description: Grants access to all commands and abilities.
+    children:
+      bending.player: true
+      bending.command.reload: true
+      bending.admin.permaremove: true
+      bending.command.avatar: true
+      bending.command.add.others: true
+      bending.command.add: true
+      bending.command.rechoose: true
+      bending.admin.choose: true
+      bending.ability.AvatarState: true
+      bending.ability.Bloodbending: true
+      bending.ability.Flight: true
+      bending.command.import: true
+      bending.command.toggle.all: true
+      bending.command.give: true
+      bending.command.invincible: true
+      bending.admin.debug: true
+      bending.admin.remove: true
+  bending.player:
+    default: true
+    description: Grants access to most abilities and basic commands.
+    children:
+      bending.command.bind: true
+      bending.command.display: true
+      bending.command.toggle: true
+      bending.command.choose: true
+      bending.command.version: true
+      bending.command.help: true
+      bending.command.clear: true
+      bending.command.who: true
+      bending.command.preset.list: true
+      bending.command.preset.create.2: true
+      bending.command.preset.create: true
+      bending.command.preset.bind: true
+      bending.command.preset.delete: true
+      bending.air: true
+      bending.water: true
+      bending.earth: true
+      bending.fire: true
+      bending.chi: true
+  bending.air:
+    default: true
+    description: Grants access to all airbending abilities.
+    children:
+      bending.ability.AirBlast: true
+      bending.ability.AirBubble: true
+      bending.ability.AirBurst: true
+      bending.ability.AirScooter: true
+      bending.ability.AirShield: true
+      bending.ability.AirSpout: true
+      bending.ability.AirSuction: true
+      bending.ability.AirSwipe: true
+      bending.ability.Suffocate: true
+      bending.ability.Tornado: true
+      bending.ability.AirCombo: true
+      bending.air.passive: true
+      bending.air.flight: true
+  bending.water:
+    default: true
+    description: Grants access to most waterbending abilities.
+    children:
+      bending.ability.HealingWaters: true
+      bending.ability.IceBlast: true
+      bending.ability.IceSpike: true
+      bending.ability.OctopusForm: true
+      bending.ability.PhaseChange: true
+      bending.ability.Surge: true
+      bending.ability.Torrent: true
+      bending.ability.WaterBubble: true
+      bending.ability.WaterManipulation: true
+      bending.ability.WaterSpout: true
+      bending.ability.WaterSpout.Wave: true
+      bending.ability.WaterCombo: true
+      bending.water.plantbending: true
+      bending.message.nightmessage: true
+      bending.water.passive: true
+      bending.water.icebending: true
+      bending.water.healing: true
+  bending.earth:
+    default: true
+    description: Grants access to all Earthbending abilities.
+    children:
+      bending.ability.Catapult: true
+      bending.ability.Collapse: true
+      bending.ability.EarthArmor: true
+      bending.ability.EarthBlast: true
+      bending.ability.EarthGrab: true
+      bending.ability.EarthTunnel: true
+      bending.ability.RaiseEarth: true
+      bending.ability.Shockwave: true
+      bending.ability.Tremorsense: true
+      bending.ability.Extraction: true
+      bending.ability.MetalClips: true
+      bending.ability.MetalClips.loot: false
+      bending.ability.MetalClips.4clips: false
+      bending.earth.passive: true
+      bending.earth.metalbending: true
+      bending.earth.lavabending: true
+      bending.earth.sandbending: true
+      bending.earth.grapplinghook: true
+      bending.ability.LavaSurge: true
+      bending.ability.LavaFlow: true
+      bending.ability.EarthSmash: true
+  bending.fire:
+    default: true
+    description: Grants access to all firebending abilities.
+    children:
+      bending.ability.Blaze: true
+      bending.ability.FireBlast: true
+      bending.ability.FireBurst: true
+      bending.ability.FireJet: true
+      bending.ability.FireShield: true
+      bending.ability.HeatControl: true
+      bending.ability.Illumination: true
+      bending.ability.Lightning: true
+      bending.ability.WallOfFire: true
+      bending.ability.Combustion: true
+      bending.ability.FireCombo: true
+      bending.message.daymessage: true
+      bending.fire.passive: true
+      bending.fire.lightningbending: true
+      bending.fire.combustionbending: true
+  bending.chi:
+    default: true
+    description: Grants access to all ChiBlocking abilities.
+    children:
+      bending.ability.HighJump: true
+      bending.ability.Paralyze: true
+      bending.ability.RapidPunch: true
+      bending.ability.Smokescreen: true
+      bending.ability.WarriorStance: true
+      bending.ability.AcrobatStance: true
+      bending.ability.QuickStrike: true
+      bending.ability.SwiftKick: true
+      bending.ability.ChiCombo: true
+      bending.chi.passive: true
+      bending.chi.grapplinghook: true
+  bending.avatar:
+    default: false
+    description: Grants the Avatar Color.
+  bending.ability.MetalClips.loot:
+    default: false
+    description: Lets a Metalbender loot a player's inventory of its iron.

src/com/projectkorra/ProjectKorra/Ability/Combo/ComboAbilityModule.java

@@ -0,0 +1,127 @@
+package com.projectkorra.ProjectKorra.Ability.Combo;
+
+import com.projectkorra.ProjectKorra.ComboManager;
+import com.projectkorra.ProjectKorra.SubElement;
+import com.projectkorra.ProjectKorra.Utilities.AbilityLoadable;
+import org.bukkit.entity.Player;
+
+import java.util.ArrayList;
+
+/**
+ * Created by Carbogen on 2/7/2015.
+ */
+public abstract class ComboAbilityModule extends AbilityLoadable implements Cloneable
+{
+	/**
+	 * AbilityModule Constructor.
+	 *
+	 * @param name The name of the ability.
+	 */
+	public ComboAbilityModule(final String name)
+	{
+		super(name);
+		// TODO Auto-generated constructor stub
+	}
+
+	/**
+	 * Called when the ability is loaded by PK. This is where the developer registers Listeners and Permissions.
+	 */
+	public abstract void onThisLoad();
+
+	// Must be overridden
+
+	/**
+	 * Accessor Method to get the version of the ability.
+	 *
+	 * @return The version of the ability as a String.
+	 */
+	public abstract String getVersion();
+
+	/**
+	 * Accessor Method to get the Element of the ability.
+	 * It is recommended to use the Element ENUM to get the returned String.
+	 * This can be an empty String, in which case the ability will not belong to any element (such as AvatarState).
+	 *
+	 * @return The Element the ability belongs to.
+	 */
+	public abstract String getElement();
+
+	/**
+	 * Accessor Method to get the name of the author.
+	 *
+	 * @return The name of the author.
+	 */
+	public abstract String getAuthor();
+
+	/**
+	 * Accessor Method to get the description of the ability.
+	 * This String is sent to any player who runs /pk display ability.
+	 *
+	 * @return The Description of the ability.
+	 */
+	public abstract String getDescription();
+
+	/**
+	 * Accessor Method to get the instructions for using this combo.
+	 *
+	 * @return The steps for the combo.
+	 */
+	public abstract String getInstructions();
+
+	/**
+	 * Creates a new instance of the combo from a specific player.
+	 * ProjectKorra's ComboModuleManager will use this method once the combo steps have been used by the player.
+	 *
+	 * @return A new instance of the ability.
+	 * @param player The player using the combo.
+	 */
+	public abstract Object createNewComboInstance(Player player);
+
+	/**
+	 * Returns the list of abilities which constitute the combo.
+	 *
+	 * @return An ArrayList containing the combo's steps.
+	 */
+	public abstract ArrayList<ComboManager.AbilityInformation> getCombination();
+
+	/**
+	 *  Void Method called whenever ProjectKorra stops and the ability is unloaded.
+	 *
+	 */
+	public void stop()
+	{
+
+	}
+
+	/**
+	 * Accessor Method to get which SubElement the ability belongs to.
+	 * If isSubAbility() returns true, the developer absolutely must implement this as well.
+	 *
+	 * List of sub-elements:
+	 *
+	 * 		Water:
+	 * 			Icebending.
+	 * 			Bloodbending.
+	 * 			Plantbending.
+	 * 			Healing.
+	 *
+	 * 		Earth:
+	 * 			Sandbending.
+	 * 			Metalbending.
+	 * 			Lavabending.
+	 *
+	 * 		Fire:
+	 * 			Combustion.
+	 * 			Lightning.
+	 *
+	 * 		Air:
+	 * 			Flight.
+	 * 			SpiritualProjection.
+	 *
+	 * @return The SubElement the ability belongs to.
+	 */
+	public SubElement getSubElement()
+	{
+		return null;
+	}
+}

src/com/projectkorra/ProjectKorra/Ability/Combo/ComboModuleManager.java

@@ -0,0 +1,41 @@
+package com.projectkorra.ProjectKorra.Ability.Combo;
+
+import com.projectkorra.ProjectKorra.ComboManager;
+import com.projectkorra.ProjectKorra.ProjectKorra;
+import com.projectkorra.ProjectKorra.Utilities.AbilityLoader;
+
+import java.io.File;
+import java.util.List;
+
+public class ComboModuleManager 
+{
+	private final AbilityLoader<ComboAbilityModule> loader;
+	public static List<ComboAbilityModule> combo;
+	
+	public ComboModuleManager()
+	{
+		final File path = new File(ProjectKorra.plugin.getDataFolder().toString() + "/Combos/");
+		if (!path.exists()) 
+		{
+			path.mkdir();
+		}
+
+		loader = new AbilityLoader<ComboAbilityModule>(ProjectKorra.plugin, path, new Object[] {});
+		
+		combo = loader.load(ComboAbilityModule.class);
+		
+		loadComboModules();
+	}
+	
+	private void loadComboModules()
+	{
+		for(ComboAbilityModule cm : combo)
+		{
+			cm.onThisLoad();
+			ComboManager.comboAbilityList.add(new ComboManager.ComboAbility(cm.getName(), cm.getCombination(), cm));
+			ComboManager.descriptions.put(cm.getName(), cm.getDescription());
+			ComboManager.instructions.put(cm.getName(), cm.getInstructions());
+			ComboManager.authors.put(cm.getName(), cm.getAuthor());
+		}
+	}
+}

src/com/projectkorra/ProjectKorra/ComboManager.java

@@ -1,15 +1,16 @@
 package com.projectkorra.ProjectKorra;
 
-import java.util.ArrayList;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboAbilityModule;
-import java.util.Enumeration;
-import java.util.concurrent.ConcurrentHashMap;
-
-import org.bukkit.entity.Player;
-import org.bukkit.scheduler.BukkitRunnable;
-
 import com.projectkorra.ProjectKorra.airbending.AirCombo;
 import com.projectkorra.ProjectKorra.firebending.FireCombo;
 import com.projectkorra.ProjectKorra.waterbending.WaterCombo;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitRunnable;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.concurrent.ConcurrentHashMap;
 
 public class ComboManager 
 {
@@ -19,6 +20,9 @@ public class ComboManager
 	private static final long CLEANUP_DELAY = 10000;
 	public static ConcurrentHashMap<String, ArrayList<AbilityInformation>> recentlyUsedAbilities = new ConcurrentHashMap<String, ArrayList<AbilityInformation>>();
 	public static ArrayList<ComboAbility> comboAbilityList = new ArrayList<ComboAbility>();
+	public static HashMap<String, String> descriptions = new HashMap<String, String>();
+	public static HashMap<String, String> instructions = new HashMap<String, String>();
+	public static HashMap<String, String> authors = new HashMap<String, String>();
 	
 	public ComboManager()
 	{
@@ -120,24 +124,38 @@ public class ComboManager
 	public static void addComboAbility(Player player, ClickType type)
 	{
 		String abilityName = Methods.getBoundAbility(player);
-		if(abilityName == null)
+		if (abilityName == null)
 			return;
-		
+
-		AbilityInformation info = new AbilityInformation(abilityName,type,System.currentTimeMillis());
+		AbilityInformation info = new AbilityInformation(abilityName, type, System.currentTimeMillis());
-		addRecentAbility(player,info);
+		addRecentAbility(player, info);
-		
+
 		ComboAbility comboAbil = checkForValidCombo(player);
-		if(comboAbil == null)
+		if (comboAbil == null)
 			return;
-		
+
-		if(comboAbil.getComboType().equals(FireCombo.class))
+		if (comboAbil.getComboType().equals(FireCombo.class))
 			new FireCombo(player, comboAbil.getName());
-		else if(comboAbil.getComboType().equals(AirCombo.class))
+		else if (comboAbil.getComboType().equals(AirCombo.class))
 			new AirCombo(player, comboAbil.getName());
-		else if(comboAbil.getComboType().equals(WaterCombo.class))
+		else if (comboAbil.getComboType().equals(WaterCombo.class))
 			new WaterCombo(player, comboAbil.getName());
+		else
+		{
+			for (ComboAbility ca : comboAbilityList)
+			{
+				if (comboAbil.getName().equals(ca.getName()))
+				{
+					if (ca.getComboType() instanceof ComboAbilityModule)
+					{
+						((ComboAbilityModule) ca.getComboType()).createNewComboInstance(player);
+						return;
+					}
+				}
+			}
+		}
 	}
-	
+
 	public static class AbilityInformation
 	{
 		private String abilityName;

src/com/projectkorra/ProjectKorra/Commands.java

@@ -1,6 +1,8 @@
 package com.projectkorra.ProjectKorra;
 
 import com.projectkorra.ProjectKorra.Ability.AbilityModuleManager;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboAbilityModule;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboModuleManager;
 import com.projectkorra.ProjectKorra.Ability.StockAbilities;
 import com.projectkorra.ProjectKorra.Objects.Preset;
 import com.projectkorra.ProjectKorra.Utilities.GrapplingHookAPI;
@@ -843,9 +845,10 @@ public class Commands {
 								s.sendMessage(Methods.getSubBendingColor(Element.Water) + "    Can Plantbend");
 							}
 							if (Methods.canBloodbend(p)) {
-								s.sendMessage(Methods.getSubBendingColor(Element.Water) + "    Can Bloodbend");
 								if(Methods.canBloodbendAtAnytime(p))
-									s.sendMessage(Methods.getSubBendingColor(Element.Water) + "        Anytime, on any day");
+									s.sendMessage(Methods.getSubBendingColor(Element.Water) + "    Can Bloodbend anytime, on any day");
+								else
+									s.sendMessage(Methods.getSubBendingColor(Element.Water) + "    Can Bloodbend");
 							}
 							if (Methods.canIcebend(p)) {
 								s.sendMessage(Methods.getSubBendingColor(Element.Water) + "    Can Icebend");
@@ -1447,6 +1450,18 @@ public class Commands {
 						s.sendMessage(ChatColor.GOLD + "FireJet (Tap Shift) > FireJet (Tap Shift) > FireShield (Tap Shift) > FireJet. ");
 						s.sendMessage(Methods.getFireColor() + "JetBlaze" + ChatColor.WHITE + ": Damages and burns all enemies in the proximity of your FireJet.");
 						s.sendMessage(ChatColor.GOLD + "FireJet (Tap Shift) > FireJet (Tap Shift) > Blaze (Tap Shift) > FireJet. ");
+						for(ComboAbilityModule cam : ComboModuleManager.combo)
+						{
+							if(cam.getElement().equals(Element.Fire.toString()))
+							{
+								ChatColor color = Methods.getAvatarColor();
+								if(cam.getSubElement() == null)
+									color = Methods.getFireColor();
+								else color = Methods.getSubBendingColor(Element.Fire);
+								s.sendMessage(color + cam.getName() + ChatColor.WHITE + ": " + cam.getDescription());
+								s.sendMessage(ChatColor.GOLD + cam.getInstructions());
+							}
+						}
 					}
 					if (args[1].equalsIgnoreCase("AirCombo")) {
 						s.sendMessage(ChatColor.GOLD + "AirCombo:");
@@ -1456,19 +1471,70 @@ public class Commands {
 						s.sendMessage(ChatColor.GOLD + "AirShield (Hold Shift) > AirSuction (Left Click) > AirBlast (Left Click)");
 						s.sendMessage(Methods.getAirColor() + "AirSweep" + ChatColor.WHITE + ": Sweep the air in front of you hitting multiple enemies, causing moderate damage and a large knockback. The radius and direction of AirSweep is controlled by moving your mouse in a sweeping motion. For example, if you want to AirSweep upward, then move your mouse upward right after you left click AirBurst");
 						s.sendMessage(ChatColor.GOLD + "AirSwipe (Left Click) > AirSwipe (Left Click) > AirBurst (Hold Shift) > AirBurst (Left Click)");
+						for(ComboAbilityModule cam : ComboModuleManager.combo)
+						{
+							if(cam.getElement().equals(Element.Air.toString()))
+							{
+								ChatColor color = Methods.getAvatarColor();
+								if(cam.getSubElement() == null)
+									color = Methods.getAirColor();
+								else color = Methods.getSubBendingColor(Element.valueOf(cam.getElement()));
+								s.sendMessage(color + cam.getName() + ChatColor.WHITE + ": " + cam.getDescription());
+								s.sendMessage(ChatColor.GOLD + cam.getInstructions());
+							}
+						}
 					}
 					if (args[1].equalsIgnoreCase("WaterCombo")) {
 						s.sendMessage(ChatColor.GOLD + "WaterCombos:");
-						s.sendMessage(Methods.getAirColor() + "IceWave" + ChatColor.WHITE + ": PhaseChange your WaterWave into an IceWave that freezes and damages enemies.");
+						s.sendMessage(Methods.getWaterColor() + "IceWave" + ChatColor.WHITE + ": PhaseChange your WaterWave into an IceWave that freezes and damages enemies.");
 						s.sendMessage(ChatColor.GOLD + "Create a WaterSpout Wave > PhaseChange (Left Click)");
-						s.sendMessage(Methods.getAirColor() + "IceBullet" + ChatColor.WHITE + ": Using a large cavern of ice, you can punch ice shards at your opponent causing moderate damage. To rapid fire, you must alternate between Left clicking and right clicking with IceBlast.");
+						s.sendMessage(Methods.getWaterColor() + "IceBullet" + ChatColor.WHITE + ": Using a large cavern of ice, you can punch ice shards at your opponent causing moderate damage. To rapid fire, you must alternate between Left clicking and right clicking with IceBlast.");
 						s.sendMessage(ChatColor.GOLD + "WaterBubble (Tap Shift) > IceBlast (Hold Shift) > IceBlast (Left Click) > Wait for ice to Form > Then alternate between Left and Right click with IceBlast");
+						for(ComboAbilityModule cam : ComboModuleManager.combo)
+						{
+							if(cam.getElement().equals(Element.Water.toString()))
+							{
+								ChatColor color = Methods.getAvatarColor();
+								if(cam.getSubElement() == null)
+									color = Methods.getWaterColor();
+								else color = Methods.getSubBendingColor(Element.valueOf(cam.getElement()));
+								s.sendMessage(color + cam.getName() + ChatColor.WHITE + ": " + cam.getDescription());
+								s.sendMessage(ChatColor.GOLD + cam.getInstructions());
+							}
+						}
+					}
+					if (args[1].equalsIgnoreCase("EarthCombo")) {
+						s.sendMessage(ChatColor.GOLD + "EarthCombos:");
+						for(ComboAbilityModule cam : ComboModuleManager.combo)
+						{
+							if(cam.getElement().equals(Element.Earth.toString()))
+							{
+								ChatColor color = Methods.getAvatarColor();
+								if(cam.getSubElement() == null)
+									color = Methods.getEarthColor();
+								else color = Methods.getSubBendingColor(Element.valueOf(cam.getElement()));
+								s.sendMessage(color + cam.getName() + ChatColor.WHITE + ": " + cam.getDescription());
+								s.sendMessage(ChatColor.GOLD + cam.getInstructions());
+							}
+						}
 					}
 					if (args[1].equalsIgnoreCase("ChiCombo"))
 					{
 						s.sendMessage(ChatColor.GOLD + "ChiCombos:");
 						s.sendMessage(Methods.getChiColor() + "Immobilize" + ChatColor.WHITE + ": Deliver a series of strikes to an enemy to temporarely immobilize them.");
 						s.sendMessage(ChatColor.GOLD + "QuickStrike > SwiftKick > QuickStrike > QuickStrike");
+						for(ComboAbilityModule cam : ComboModuleManager.combo)
+						{
+							if(cam.getElement().equals(Element.Chi.toString()))
+							{
+								ChatColor color = Methods.getAvatarColor();
+								if(cam.getSubElement() == null)
+									color = Methods.getChiColor();
+								else color = Methods.getSubBendingColor(Element.valueOf(cam.getElement()));
+								s.sendMessage(color + cam.getName() + ChatColor.WHITE + ": " + cam.getDescription());
+								s.sendMessage(ChatColor.GOLD + cam.getInstructions());
+							}
+						}
 					}
 					if (Methods.abilityExists(args[1])) {
 						String ability = Methods.getAbility(args[1]);

src/com/projectkorra/ProjectKorra/ConfigManager.java

@@ -66,6 +66,9 @@ public class ConfigManager {
 		config.addDefault("Properties.GlobalCooldown", 500);
 		config.addDefault("Properties.SeaLevel", 62);
 
+		config.addDefault("Properties.HorizontalCollisionPhysics.Enabled", true);
+		config.addDefault("Properties.HorizontalCollisionPhysics.WallDamageMinimumDistance", 5.0);
+
 		config.addDefault("Properties.CustomItems.GrapplingHook.Enable", true);
 		config.addDefault("Properties.CustomItems.GrapplingHook.IronUses", 25);
 		config.addDefault("Properties.CustomItems.GrapplingHook.GoldUses", 50);

src/com/projectkorra/ProjectKorra/Methods.java

@@ -17,6 +17,8 @@ import com.palmergames.bukkit.towny.war.flagwar.TownyWarConfig;
 import com.projectkorra.ProjectKorra.Ability.AbilityModule;
 import com.projectkorra.ProjectKorra.Ability.AbilityModuleManager;
 import com.projectkorra.ProjectKorra.Ability.AvatarState;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboAbilityModule;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboModuleManager;
 import com.projectkorra.ProjectKorra.Ability.StockAbilities;
 import com.projectkorra.ProjectKorra.Utilities.ParticleEffect;
 import com.projectkorra.ProjectKorra.airbending.*;
@@ -98,6 +100,24 @@ public class Methods {
 		return false;
 	}
 
+	public static boolean comboExists(String string)
+	{
+		for(ComboAbilityModule c : ComboModuleManager.combo)
+			if(string.equalsIgnoreCase(c.getName()))
+				return true;
+
+		return false;
+	}
+
+	public ComboAbilityModule getCombo(String name)
+	{
+		for(ComboAbilityModule c : ComboModuleManager.combo)
+			if(name.equalsIgnoreCase(c.getName()))
+				return c;
+
+		return null;
+	}
+
 	public static boolean isDisabledStockAbility(String string){
 		for (String st : AbilityModuleManager.disabledStockAbilities){
 			if (string.equalsIgnoreCase(st))

src/com/projectkorra/ProjectKorra/Objects/HorizontalVelocityTracker.java

@@ -3,11 +3,13 @@ package com.projectkorra.ProjectKorra.Objects;
 import com.projectkorra.ProjectKorra.Methods;
 import com.projectkorra.ProjectKorra.ProjectKorra;
 import com.projectkorra.ProjectKorra.Utilities.HorizontalVelocityChangeEvent;
+import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.util.Vector;
 
+import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
 /**
@@ -23,14 +25,19 @@ public class HorizontalVelocityTracker
 	private Player instigator;
 	private Vector lastVelocity;
 	private Vector thisVelocity;
+	private Location launchLocation;
+	private Location impactLocation;
 
 	public HorizontalVelocityTracker(Entity e, Player instigator, long delay)
 	{
+		remove(e);
 		entity = e;
 		this.instigator = instigator;
 		fireTime = System.currentTimeMillis();
 		this.delay = delay;
-		thisVelocity = e.getVelocity();
+		thisVelocity = e.getVelocity().clone();
+		launchLocation = e.getLocation().clone();
+		impactLocation = launchLocation.clone();
 		this.delay = delay;
 		update();
 		instances.put(entity, this);
@@ -46,19 +53,34 @@ public class HorizontalVelocityTracker
 
 		Vector diff = thisVelocity.subtract(lastVelocity);
 
+		List<Block> blocks = Methods.getBlocksAroundPoint(entity.getLocation(), 1.5);
+
 		if(entity.isOnGround())
+		{
 			remove();
+			return;
+		}
+
+		for(Block b : blocks)
+		{
+			if(Methods.isWater(b))
+			{
+				remove();
+				return;
+			}
+		}
 
 		if(thisVelocity.length() < lastVelocity.length())
 		{
 			if((diff.getX() > 1 || diff.getX() < -1)
 					|| (diff.getZ() > 1 || diff.getZ() < -1))
 			{
-				for(Block b : Methods.getBlocksAroundPoint(entity.getLocation(), 2))
+				impactLocation = entity.getLocation();
+				for (Block b : blocks)
 				{
-					if(!Methods.isTransparentToEarthbending(instigator, b))
+					if (!Methods.isTransparentToEarthbending(instigator, b))
 					{
-						ProjectKorra.plugin.getServer().getPluginManager().callEvent(new HorizontalVelocityChangeEvent(entity, instigator, lastVelocity, thisVelocity, diff));
+						ProjectKorra.plugin.getServer().getPluginManager().callEvent(new HorizontalVelocityChangeEvent(entity, instigator, lastVelocity, thisVelocity, diff, launchLocation, impactLocation));
 						remove();
 						return;
 					}

src/com/projectkorra/ProjectKorra/PKListener.java

@@ -13,10 +13,7 @@ import com.projectkorra.ProjectKorra.earthbending.LavaFlow.AbilityType;
 import com.projectkorra.ProjectKorra.firebending.*;
 import com.projectkorra.ProjectKorra.firebending.Fireball;
 import com.projectkorra.ProjectKorra.waterbending.*;
-import org.bukkit.ChatColor;
+import org.bukkit.*;
-import org.bukkit.GameMode;
-import org.bukkit.Location;
-import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.entity.*;
 import org.bukkit.event.EventHandler;
@@ -67,9 +64,18 @@ public class PKListener implements Listener {
 	@EventHandler
 	public void onHorizontalCollision(HorizontalVelocityChangeEvent e)
 	{
+		if(!plugin.getConfig().getBoolean("Properties.HorizontalCollisionPhysics.Enabled"))
+			return;
+
 		if(e.getEntity() instanceof LivingEntity)
 		{
-			Methods.damageEntity(e.getInstigator(), e.getEntity(), e.getDifference().length() * 2);
+			if(e.getEntity().getEntityId() != e.getInstigator().getEntityId())
+			{
+				double minimumDistance = plugin.getConfig().getDouble("Properties.HorizontalCollisionPhysics.WallDamageMinimumDistance");
+				double damage = ((e.getDistanceTraveled() - minimumDistance) < 0 ? 0 : e.getDistanceTraveled() - minimumDistance) / (e.getDifference().length());
+				if(damage > 0)
+					Methods.damageEntity(e.getInstigator(), e.getEntity(), damage);
+			}
 		}
 	}
 

src/com/projectkorra/ProjectKorra/ProjectKorra.java

@@ -1,13 +1,7 @@
 package com.projectkorra.ProjectKorra;
 
-import java.io.IOException;
-import java.util.logging.Logger;
-
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.java.JavaPlugin;
-
 import com.projectkorra.ProjectKorra.Ability.AbilityModuleManager;
+import com.projectkorra.ProjectKorra.Ability.Combo.ComboModuleManager;
 import com.projectkorra.ProjectKorra.Objects.Preset;
 import com.projectkorra.ProjectKorra.Utilities.CraftingRecipes;
 import com.projectkorra.ProjectKorra.airbending.AirbendingManager;
@@ -16,6 +10,12 @@ import com.projectkorra.ProjectKorra.chiblocking.ChiblockingManager;
 import com.projectkorra.ProjectKorra.earthbending.EarthbendingManager;
 import com.projectkorra.ProjectKorra.firebending.FirebendingManager;
 import com.projectkorra.ProjectKorra.waterbending.WaterbendingManager;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.plugin.java.JavaPlugin;
+
+import java.io.IOException;
+import java.util.logging.Logger;
 
 public class ProjectKorra extends JavaPlugin {
 
@@ -32,6 +32,7 @@ public class ProjectKorra extends JavaPlugin {
 		new Methods(this);
 		new Commands(this);
 		new AbilityModuleManager(this);
+		new ComboModuleManager();
 		new ComboManager();
 		new ChiComboManager();
 

src/com/projectkorra/ProjectKorra/Utilities/HorizontalVelocityChangeEvent.java

@@ -1,5 +1,6 @@
 package com.projectkorra.ProjectKorra.Utilities;
 
+import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
@@ -21,7 +22,10 @@ public class HorizontalVelocityChangeEvent extends Event implements Cancellable
 	private Vector from;
 	private Vector to;
 	private Vector difference;
+	private Location start;
+	private Location end;
 
+	@Deprecated
 	public HorizontalVelocityChangeEvent(Entity entity, Player instigator, Vector from, Vector to, Vector difference)
 	{
 		this.entity = entity;
@@ -31,6 +35,17 @@ public class HorizontalVelocityChangeEvent extends Event implements Cancellable
 		this.difference = difference;
 	}
 
+	public HorizontalVelocityChangeEvent(Entity entity, Player instigator, Vector from, Vector to, Vector difference, Location start, Location end)
+	{
+		this.entity = entity;
+		this.instigator = instigator;
+		this.from = from;
+		this.to = to;
+		this.difference = difference;
+		this.start = start;
+		this.end = end;
+	}
+
 	public Entity getEntity()
 	{
 		return entity;
@@ -51,6 +66,21 @@ public class HorizontalVelocityChangeEvent extends Event implements Cancellable
 		return to;
 	}
 
+	public Location getStartPoint()
+	{
+		return start;
+	}
+
+	public Location getEndPoint()
+	{
+		return end;
+	}
+
+	public double getDistanceTraveled()
+	{
+		return start.distance(end);
+	}
+
 	public Vector getDifference()
 	{
 		return difference;

src/com/projectkorra/ProjectKorra/airbending/AirBlast.java

@@ -262,7 +262,7 @@ public class AirBlast {
 				return;
 			
 			Methods.setVelocity(entity, velocity);
-			new HorizontalVelocityTracker(entity, player, 200);
+			new HorizontalVelocityTracker(entity, player, 200l);
 			entity.setFallDistance(0);
 			if (!isUser && entity instanceof Player) {
 				new Flight((Player) entity, player);

src/com/projectkorra/ProjectKorra/waterbending/Bloodbending.java

@@ -91,6 +91,7 @@ public class Bloodbending {
 				return;
 			}
 			Methods.damageEntity(player, target, 0);
+			HorizontalVelocityTracker.remove(target);
 			Methods.breakBreathbendingHold(target);
 			targetentities.put(target, target.getLocation().clone());
 		}