Added ability to set the max health of a disguise using attributes

config.yml

@@ -65,6 +65,12 @@ KeepDisguises:
   PlayerDeath: false
   PlayerLogout: false
   
+# This controls if a entitys max health is determined by the entity, or by the disguise.
+# Wither is 200, a player is 20. With this enabled, a player disguised as a wither will have the boss bar health accurate to the players health.
+# Else it will be 1/20 of the boss bar when he is full health.
+# Setting this in LivingWatcher overrides both values.
+MaxHealthDeterminedByEntity: true
+
 # This here is a option to turn off misc disguises.
 # This means you can not have a living entity disguise as a non-living entity.
 # This disables the Attributes packet, Non-living entities can still disguise as other non-living
@@ -91,6 +97,7 @@ PacketsEnabled:
   # This is good if performance is extremely in need.
   # This is bad to disable unless you are ONLY going to use the disguises for decorations.
   # To be honest. This is basically "Disable entity animations". That option is called 'AddEntityAnimations' in the config but unlike that, this is always in effect.
+  # Animations set by use of the api or through the disguise command are still in effect.
   Metadata: true
   # Movement packets are the biggest cpu hit. These are majorly used to ensure that the disguises facing direction isn't bugged up
   Movement: true

pom.xml

@@ -75,16 +75,21 @@
 	</repositories>
 
 	<dependencies>
-		<dependency>
-			<groupId>org.bukkit</groupId>
-			<artifactId>craftbukkit</artifactId>
-			<version>1.7.8-R0.1-SNAPSHOT</version>
-		</dependency>
 		<dependency>
 			<groupId>com.comphenix.protocol</groupId>
 			<artifactId>ProtocolLib</artifactId>
 			<version>3.1.0</version>
 		</dependency>
+		<dependency>
+			<groupId>org.spigotmc</groupId>
+			<artifactId>spigot-api</artifactId>
+			<version>1.7.8-R0.1-SNAPSHOT</version>
+		</dependency>
+		<dependency>
+			<groupId>org.spigotmc</groupId>
+			<artifactId>spigot</artifactId>
+			<version>1.7.8-R0.1-SNAPSHOT</version>
+		</dependency>
 	</dependencies>
 
 	<distributionManagement>

src/me/libraryaddict/disguise/DisguiseConfig.java

@@ -17,6 +17,7 @@ public class DisguiseConfig {
     private static boolean keepDisguiseEntityDespawn;
     private static boolean keepDisguisePlayerDeath;
     private static boolean keepDisguisePlayerLogout;
+    private static boolean maxHealthIsDisguisedEntity;
     private static boolean miscDisguisesForLivingEnabled;
     private static boolean modifyBoundingBox;
     private static boolean movementEnabled;
@@ -87,6 +88,10 @@ public class DisguiseConfig {
         return keepDisguisePlayerLogout;
     }
 
+    public static boolean isMaxHealthDeterminedByDisguisedEntity() {
+        return maxHealthIsDisguisedEntity;
+    }
+
     public static boolean isMetadataPacketsEnabled() {
         return sendsEntityMetadata;
     }
@@ -240,6 +245,10 @@ public class DisguiseConfig {
         keepDisguisePlayerLogout = keepDisguise;
     }
 
+    public static void setMaxHealthDeterminedByDisguisedEntity(boolean isDetermined) {
+        maxHealthIsDisguisedEntity = isDetermined;
+    }
+
     public static void setMetadataPacketsEnabled(boolean enabled) {
         sendsEntityMetadata = enabled;
     }

src/me/libraryaddict/disguise/LibsDisguises.java

@@ -27,6 +27,7 @@ import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
 import org.bukkit.entity.Ageable;
+import org.bukkit.entity.Damageable;
 import org.bukkit.entity.Entity;
 import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Zombie;
@@ -107,6 +108,7 @@ public class LibsDisguises extends JavaPlugin {
         DisguiseConfig.setEntityStatusPacketsEnabled(getConfig().getBoolean("PacketsEnabled.EntityStatus"));
         DisguiseConfig.setCollectPacketsEnabled(getConfig().getBoolean("PacketsEnabled.Collect"));
         DisguiseConfig.setMetadataPacketsEnabled(getConfig().getBoolean("PacketsEnabled.Metadata"));
+        DisguiseConfig.setMaxHealthDeterminedByDisguisedEntity(getConfig().getBoolean("MaxHealthDeterminedByEntity"));
         try {
             // Here I use reflection to set the plugin for Disguise..
             // Kind of stupid but I don't want open API calls for a commonly used object.
@@ -234,7 +236,8 @@ public class LibsDisguises extends JavaPlugin {
                         break;
                     }
                 }
-                DisguiseValues disguiseValues = new DisguiseValues(disguiseType, nmsEntity.getClass(), entitySize);
+                DisguiseValues disguiseValues = new DisguiseValues(disguiseType, nmsEntity.getClass(), entitySize,
+                        bukkitEntity instanceof Damageable ? ((Damageable) bukkitEntity).getMaxHealth() : 0);
                 for (WrappedWatchableObject watch : WrappedDataWatcher.getEntityWatcher(bukkitEntity).getWatchableObjects()) {
                     disguiseValues.setMetaValue(watch.getIndex(), watch.getValue());
                     // Uncomment when I need to find the new datawatcher values for a class..

src/me/libraryaddict/disguise/disguisetypes/watchers/LivingWatcher.java

@@ -31,6 +31,8 @@ public class LivingWatcher extends FlagWatcher {
             ex.printStackTrace();
         }
     }
+    private double maxHealth;
+    private boolean maxHealthSet;
     private HashSet<Integer> potionEffects = new HashSet<Integer>();
 
     public LivingWatcher(Disguise disguise) {
@@ -48,6 +50,8 @@ public class LivingWatcher extends FlagWatcher {
     public LivingWatcher clone(Disguise disguise) {
         LivingWatcher clone = (LivingWatcher) super.clone(disguise);
         clone.potionEffects = (HashSet<Integer>) potionEffects.clone();
+        clone.maxHealth = maxHealth;
+        clone.maxHealthSet = maxHealthSet;
         return clone;
     }
 
@@ -59,6 +63,10 @@ public class LivingWatcher extends FlagWatcher {
         return (Float) getValue(6, 0F);
     }
 
+    public double getMaxHealth() {
+        return maxHealth;
+    }
+
     public boolean getPotionParticlesRemoved() {
         return (Byte) getValue(8, (byte) 0) == 1;
     }
@@ -105,6 +113,10 @@ public class LivingWatcher extends FlagWatcher {
         return (Byte) getValue(11, (byte) 0) == 1;
     }
 
+    public boolean isMaxHealthSet() {
+        return maxHealthSet;
+    }
+
     public void removePotionEffect(PotionEffectType type) {
         if (potionEffects.contains(type.getId())) {
             potionEffects.remove(type.getId());
@@ -139,4 +151,10 @@ public class LivingWatcher extends FlagWatcher {
         sendData(6);
     }
 
+    public void setMaxHealth(double newHealth) {
+        this.maxHealth = newHealth;
+        maxHealthSet = true;
+        // TODO Send packet
+    }
+
 }

src/me/libraryaddict/disguise/utilities/DisguiseValues.java

@@ -47,13 +47,15 @@ public class DisguiseValues {
     private FakeBoundingBox babyBox;
     private float[] entitySize;
     private int enumEntitySize;
+    private double maxHealth;
     private HashMap<Integer, Object> metaValues = new HashMap<Integer, Object>();
     private Class nmsEntityClass;
 
-    public DisguiseValues(DisguiseType type, Class classType, int entitySize) {
+    public DisguiseValues(DisguiseType type, Class classType, int entitySize, double maxHealth) {
         values.put(type, this);
         enumEntitySize = entitySize;
         nmsEntityClass = classType;
+        this.maxHealth = maxHealth;
     }
 
     public FakeBoundingBox getAdultBox() {
@@ -112,6 +114,10 @@ public class DisguiseValues {
         return (int) Math.floor(paramDouble * 32.0D);
     }
 
+    public double getMaxHealth() {
+        return maxHealth;
+    }
+
     public HashMap<Integer, Object> getMetaValues() {
         return metaValues;
     }

src/me/libraryaddict/disguise/utilities/PacketsManager.java

@@ -15,6 +15,7 @@ import me.libraryaddict.disguise.disguisetypes.FlagWatcher;
 import me.libraryaddict.disguise.disguisetypes.MiscDisguise;
 import me.libraryaddict.disguise.disguisetypes.MobDisguise;
 import me.libraryaddict.disguise.disguisetypes.PlayerDisguise;
+import me.libraryaddict.disguise.disguisetypes.watchers.LivingWatcher;
 import me.libraryaddict.disguise.disguisetypes.watchers.PlayerWatcher;
 import me.libraryaddict.disguise.utilities.DisguiseSound.SoundType;
 import me.libraryaddict.disguise.utilities.ReflectionManager.LibVersion;
@@ -43,6 +44,8 @@ import com.comphenix.protocol.events.PacketContainer;
 import com.comphenix.protocol.events.PacketEvent;
 import com.comphenix.protocol.events.PacketListener;
 import com.comphenix.protocol.reflect.StructureModifier;
+import com.comphenix.protocol.wrappers.WrappedAttribute;
+import com.comphenix.protocol.wrappers.WrappedAttribute.Builder;
 import com.comphenix.protocol.wrappers.WrappedDataWatcher;
 import com.comphenix.protocol.wrappers.WrappedWatchableObject;
 
@@ -1173,10 +1176,39 @@ public class PacketsManager {
             if (disguise != null) {
                 packets = new PacketContainer[] { sentPacket };
 
-                // If packet is PacketType.Play.Server.UPDATE_ATTRIBUTES
                 // This packet sends attributes
                 if (sentPacket.getType() == PacketType.Play.Server.UPDATE_ATTRIBUTES) {
-                    packets = new PacketContainer[0];
+                    if (disguise.isMiscDisguise()) {
+                        packets = new PacketContainer[0];
+                    } else {
+                        List<WrappedAttribute> attributes = new ArrayList<WrappedAttribute>();
+                        for (WrappedAttribute attribute : sentPacket.getAttributeCollectionModifier().read(0)) {
+                            if (attribute.getAttributeKey().equals("generic.maxHealth")) {
+                                packets[0] = new PacketContainer(PacketType.Play.Server.UPDATE_ATTRIBUTES);
+                                Builder builder;
+                                if (((LivingWatcher) disguise.getWatcher()).isMaxHealthSet()) {
+                                    builder = WrappedAttribute.newBuilder();
+                                    builder.attributeKey("generic.maxHealth");
+                                    builder.baseValue(((LivingWatcher) disguise.getWatcher()).getMaxHealth());
+                                } else if (DisguiseConfig.isMaxHealthDeterminedByDisguisedEntity()) {
+                                    builder = WrappedAttribute.newBuilder(attribute);
+                                } else {
+                                    builder = WrappedAttribute.newBuilder();
+                                    builder.attributeKey("generic.maxHealth");
+                                    builder.baseValue(DisguiseValues.getDisguiseValues(disguise.getType()).getMaxHealth());
+                                }
+                                builder.packet(packets[0]);
+                                attributes.add(builder.build());
+                                break;
+                            }
+                        }
+                        if (!attributes.isEmpty()) {
+                            packets[0].getIntegers().write(0, entity.getEntityId());
+                            packets[0].getAttributeCollectionModifier().write(0, attributes);
+                        } else {
+                            packets = new PacketContainer[0];
+                        }
+                    }
                 }
 
                 else if (sentPacket.getType() == PacketType.Play.Server.ATTACH_ENTITY) {