[svn] Implemented player on player and player on creature possession:

* Implemented packet and vision forwarding through possessed units
* Added new OnPossess script call alerting scripts on when possession is applied/removed
* Moved fall damage and fall under map calculations into the Player class
* Added new PossessedAI that is applied only while possession on creature is active
* Implemented summon possessed spell effect
* Fixed Eyes of the Beast

--HG--
branch : trunk

1 files changed, 19 insertions, 0 deletions

diff --git a/src/game/SpellHandler.cpp b/src/game/SpellHandler.cpp
index ba1eb20c631..051e1adbc30 100644
--- a/src/game/SpellHandler.cpp
+++ b/src/game/SpellHandler.cpp
@@ -302,6 +302,10 @@ void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
         return;
     }
 
+    // can't use our own spells when we're in possession of another unit,
+    if(_player->isPossessing())
+        return;
+
     // client provided targets
     SpellCastTargets targets;
     if(!targets.read(&recvPacket,_player))
@@ -348,6 +352,21 @@ void WorldSession::HandleCancelAuraOpcode( WorldPacket& recvPacket)
     if (!spellInfo)
         return;
 
+    // Remove possess aura from the possessed as well
+    if(_player->isPossessing())
+    {
+        for (int i = 0; i < 3; ++i)
+        {
+            if (spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MOD_POSSESS ||
+                spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MOD_POSSESS_PET)
+            {
+                _player->RemoveAurasDueToSpellByCancel(spellId);
+                _player->GetCharm()->RemoveAurasDueToSpellByCancel(spellId);
+                return;
+            }
+        }
+    }
+
     // not allow remove non positive spells and spells with attr SPELL_ATTR_CANT_CANCEL
     if(!IsPositiveSpell(spellId) || (spellInfo->Attributes & SPELL_ATTR_CANT_CANCEL))
         return;