*Add virtual bool IsEscorted() to escort_ai.h

*Some minor cleanup and optimization

--HG--
branch : trunk

src/bindings/scripts/base/escort_ai.h

@@ -71,6 +71,7 @@ struct TRINITY_DLL_DECL npc_escortAI : public ScriptedAI
         void SetEscortPaused(bool uPaused);
 
         bool HasEscortState(uint32 uiEscortState) { return (m_uiEscortState & uiEscortState); }
+        virtual bool IsEscorted() { return true; }
 
         void SetMaxPlayerDistance(float newMax) { MaxPlayerDistance = newMax; }
         float GetMaxPlayerDistance() { return MaxPlayerDistance; }

src/game/Player.cpp

@@ -14944,9 +14944,9 @@ bool Player::LoadFromDB( uint32 guid, SqlQueryHolder *holder )
             {
                 sLog.outError("Player (guidlow %d) was in BG in database, but BG was not found, and entry point was invalid! Teleport to default race/class locations.",guid);
                 RelocateToHomebind();
-            } else {
-                Relocate(&_loc);
             }
+            else
+                Relocate(&_loc);
 
             // We are not in BG anymore
             m_bgData.bgInstanceID = 0;

src/game/Spell.cpp

@@ -6005,7 +6005,7 @@ void Spell::DelayedChannel()
 
     delaytime = delaytime * (100 - delayReduce) / 100;
 
-    if(int32(m_timer) < delaytime)
+    if(int32(m_timer) <= delaytime)
     {
         delaytime = m_timer;
         m_timer = 0;
@@ -6016,16 +6016,9 @@ void Spell::DelayedChannel()
     sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
 
     for (std::list<TargetInfo>::const_iterator ihit = m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end(); ++ihit)
-    {
         if ((*ihit).missCondition == SPELL_MISS_NONE)
-        {
+            if (Unit* unit = m_caster->GetGUID() == ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID))
-            Unit* unit = m_caster->GetGUID() == ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
-            if (unit)
-            {
                 unit->DelayAura(m_spellInfo->Id, m_caster->GetGUID(), delaytime);
-            }
-        }
-    }
 
     // partially interrupt persistent area auras
     if(DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id))
@@ -6041,7 +6034,8 @@ void Spell::UpdatePointers()
     else
     {
         m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
-        if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
+        if (m_originalCaster && !m_originalCaster->IsInWorld())
+            m_originalCaster = NULL;
     }
 
     if (m_castItemGUID && m_caster->GetTypeId() == TYPEID_PLAYER)
@@ -6350,8 +6344,6 @@ bool SpellEvent::IsDeletable() const
 
 bool Spell::IsValidSingleTargetEffect(Unit const* target, Targets type) const
 {
-    if (target->GetMapId() == MAPID_INVALID)
-        return false;
     switch (type)
     {
         case TARGET_UNIT_TARGET_ENEMY:
@@ -6369,7 +6361,12 @@ bool Spell::IsValidSingleTargetEffect(Unit const* target, Targets type) const
 
 bool Spell::IsValidSingleTargetSpell(Unit const* target) const
 {
-    for (int i = 0; i < 3; ++i)
+    if (target->GetMapId() == MAPID_INVALID)
+    {
+        sLog.outDebug("Spell::IsValidSingleTargetSpell - a spell was cast on '%s' (GUIDLow: %u), but they have an invalid map id!", target->GetName(), target->GetGUIDLow());
+        return false;
+    }
+    for (uint8 i = 0; i < 3; ++i)
     {
         if(!IsValidSingleTargetEffect(target, Targets(m_spellInfo->EffectImplicitTargetA[i])))
             return false;
@@ -6383,7 +6380,7 @@ bool Spell::IsValidSingleTargetSpell(Unit const* target) const
 void Spell::CalculateDamageDoneForAllTargets()
 {
     float multiplier[3];
-    for (int i = 0; i < 3; ++i)
+    for (uint8 i = 0; i < 3; ++i)
     {
         if (m_applyMultiplierMask & (1 << i))
         {

src/game/SpellEffects.cpp

@@ -2366,7 +2366,8 @@ void Spell::EffectTeleportUnits(uint32 i)
 
     // Init dest coordinates
     uint32 mapid = m_targets.m_dstPos.GetMapId();
-    if(mapid == MAPID_INVALID) mapid = unitTarget->GetMapId();
+    if(mapid == MAPID_INVALID)
+        mapid = unitTarget->GetMapId();
     float x, y, z;
     m_targets.m_dstPos.GetPosition(x, y, z);
     float orientation = m_targets.getUnitTarget() ? m_targets.getUnitTarget()->GetOrientation() : unitTarget->GetOrientation();

src/game/Unit.cpp

@@ -10615,19 +10615,19 @@ void Unit::SetInCombatState(bool PvP, Unit* enemy)
     if (GetTypeId() != TYPEID_PLAYER)
     {
         // Set home position at place of engaging combat for escorted creatures
-        if(( ((Creature*)this)->IsAIEnabled && ((Creature*)this)->AI()->IsEscorted() ) ||
+        if(( IsAIEnabled && ((Creature*)this)->AI()->IsEscorted() ) ||
-            ((Creature*)this)->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)
+            GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)
             ((Creature*)this)->SetHomePosition(GetPositionX(), GetPositionY(), GetPositionZ(), GetOrientation());
 
         if (enemy)
         {
-            if(((Creature*)this)->IsAIEnabled)
+            if (IsAIEnabled)
                 ((Creature*)this)->AI()->EnterCombat(enemy);
             if (((Creature*)this)->GetFormation())
                 ((Creature*)this)->GetFormation()->MemberAttackStart((Creature*)this, enemy);
         }
 
-        if(((Creature*)this)->isPet())
+        if (isPet())
         {
             UpdateSpeed(MOVE_RUN, true);
             UpdateSpeed(MOVE_SWIM, true);
@@ -10660,12 +10660,10 @@ void Unit::ClearInCombat()
     if (GetTypeId() != TYPEID_PLAYER && ((Creature*)this)->isPet())
     {
         if (Unit *owner = GetOwner())
-        {
             for (uint8 i = 0; i < MAX_MOVE_TYPE; ++i)
                 if (owner->GetSpeedRate(UnitMoveType(i)) > GetSpeedRate(UnitMoveType(i)))
                     SetSpeed(UnitMoveType(i), owner->GetSpeedRate(UnitMoveType(i)), true);
     }
-    }
     else if (!isCharmed())
         return;