rentrant lock on modify health

src/engine/objects/AbstractCharacter.java

@@ -1787,7 +1787,7 @@ public abstract class AbstractCharacter extends AbstractWorldObject {
             final boolean fromCost) {
 
         try {
-
+            this.combatLock.writeLock().lock();
             try {
                 boolean ready = this.healthLock.writeLock().tryLock(1, TimeUnit.SECONDS);
 
@@ -1852,6 +1852,7 @@ public abstract class AbstractCharacter extends AbstractWorldObject {
                 return newHealth - oldHealth;
             } finally {
                 this.healthLock.writeLock().unlock();
+                this.combatLock.writeLock().unlock();
             }
         } catch (InterruptedException e) {
             // TODO Auto-generated catch block