Added an OnPvP compatability event

See Issue Lembas-Modding-Team#338: Lembas-Modding-Team#338

src/main/java/pvpmode/api/server/compatibility/events/OnPvPEvent.java

@@ -0,0 +1,83 @@
+package pvpmode.api.server.compatibility.events;
+
+import cpw.mods.fml.common.eventhandler.*;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.util.DamageSource;
+import pvpmode.api.common.EnumPvPMode;
+
+/**
+ * Fired when a player attacks another player.
+ *
+ * @author Vinyarion
+ *
+ */
+@Cancelable
+public class OnPvPEvent extends Event
+{
+
+    private final EntityPlayer attacker;
+    private final EnumPvPMode attackerMode;
+    private final EntityPlayer victim;
+    private final EnumPvPMode victimMode;
+    private final float damageAmount;
+    private final DamageSource source;
+
+    public OnPvPEvent (EntityPlayer attacker, EnumPvPMode attackerMode, EntityPlayer victim, EnumPvPMode victimMode, float damageAmount, DamageSource source)
+    {
+        this.attacker = attacker;
+        this.attackerMode = attackerMode;
+        this.victim = victim;
+        this.victimMode = victimMode;
+        this.damageAmount = damageAmount;
+        this.source = source;
+    }
+
+    /**
+     * Returns the attacker
+     */
+    public EntityPlayer getAttacker ()
+    {
+        return attacker;
+    }
+
+    /**
+     * Returns the attacker's mode
+     */
+    public EnumPvPMode getAttackerMode ()
+    {
+        return attackerMode;
+    }
+
+    /**
+     * Returns the victim
+     */
+    public EntityPlayer getVictim ()
+    {
+        return victim;
+    }
+
+    /**
+     * Returns the victim's mode
+     */
+    public EnumPvPMode getVictimMode ()
+    {
+        return victimMode;
+    }
+
+    /**
+     * Returns the dealt damage amount
+     */
+    public float getDamageAmount ()
+    {
+        return damageAmount;
+    }
+
+    /**
+     * Returns the damage source
+     */
+    public DamageSource getSource ()
+    {
+        return source;
+    }
+
+}

src/main/java/pvpmode/internal/server/PvPServerEventHandler.java

@@ -20,6 +20,7 @@
 import net.minecraftforge.event.entity.player.PlayerDropsEvent;
 import pvpmode.PvPMode;
 import pvpmode.api.common.EnumPvPMode;
+import pvpmode.api.common.utils.PvPCommonUtils;
 import pvpmode.api.common.version.*;
 import pvpmode.api.server.PvPData;
 import pvpmode.api.server.compatibility.events.*;
@@ -59,6 +60,17 @@ public void interceptPvP (LivingAttackEvent event)
 
         boolean cancel = false;
 
+        if (MinecraftForge.EVENT_BUS.post (new OnPvPEvent (attacker, attackerMode, victim, victimMode, event.ammount, event.source)))
+        {
+            cancel = true;
+        }
+
+        if (cancel)
+        {
+            event.setCanceled (true);
+            return;
+        }
+
         if (attackerMode != EnumPvPMode.ON)
         {
             if (attacker == event.source.getEntity ())