//::///////////////////////////////////////////////
//:: Turn Undead
//:: NW_S2_TurnDead
//:: Copyright (c) 2001 Bioware Corp.
//:://////////////////////////////////////////////
/*
    Checks domain powers and class to determine
    the proper turning abilities of the casting
    character.
*/
//:://////////////////////////////////////////////
//:: Created By: Preston Watamaniuk
//:: Created On: Nov 2, 2001
//:: Updated On: Jul 15, 2003 - Georg Zoeller
//:://////////////////////////////////////////////
//:: MODIFIED MARCH 5 2003 for Blackguards
//:: MODIFIED JULY 24 2003 for Planar Turning to include turn resistance hd
/*
Patch 1.70, by Shadooow

- takes into account turn resistance of player character (but only from itemproperty)
*/

int GetPCTurnResistance(object oPC);

void main()
{
    int nClericLevel = GetLevelByClass(CLASS_TYPE_CLERIC);
    int nPaladinLevel = GetLevelByClass(CLASS_TYPE_PALADIN);
    int nBlackguardlevel = GetLevelByClass(CLASS_TYPE_BLACKGUARD);
    int nTotalLevel =  GetHitDice(OBJECT_SELF);

    int nTurnLevel = nClericLevel;
    int nClassLevel = nClericLevel;

    // GZ: Since paladin levels stack when turning, blackguard levels should stack as well
    // GZ: but not with the paladin levels (thus else if).
    if((nBlackguardlevel - 2) > 0 && (nBlackguardlevel > nPaladinLevel))
    {
        nClassLevel += (nBlackguardlevel - 2);
        nTurnLevel  += (nBlackguardlevel - 2);
    }
    else if((nPaladinLevel - 2) > 0)
    {
        nClassLevel += (nPaladinLevel -2);
        nTurnLevel  += (nPaladinLevel - 2);
    }

    //Flags for bonus turning types
    int nElemental = GetHasFeat(FEAT_AIR_DOMAIN_POWER) + GetHasFeat(FEAT_EARTH_DOMAIN_POWER) + GetHasFeat(FEAT_FIRE_DOMAIN_POWER) + GetHasFeat(FEAT_WATER_DOMAIN_POWER);
    int nVermin = GetHasFeat(FEAT_PLANT_DOMAIN_POWER);// + GetHasFeat(FEAT_ANIMAL_COMPANION);
    int nConstructs = GetHasFeat(FEAT_DESTRUCTION_DOMAIN_POWER);
    int nGoodOrEvilDomain =  GetHasFeat(FEAT_GOOD_DOMAIN_POWER) + GetHasFeat(FEAT_EVIL_DOMAIN_POWER);
    int nPlanar = GetHasFeat(854);

    //Flag for improved turning ability
    int nSun = GetHasFeat(FEAT_SUN_DOMAIN_POWER);

    //Make a turning check roll, modify if have the Sun Domain
    int nChrMod = GetAbilityModifier(ABILITY_CHARISMA);
    int nTurnCheck = d20() + nChrMod;              //The roll to apply to the max HD of undead that can be turned --> nTurnLevel
    int nTurnHD = d6(2) + nChrMod + nClassLevel;   //The number of HD of undead that can be turned.

    if(nSun == TRUE)
    {
        nTurnCheck += d4();
        nTurnHD += d6();
    }
    //Determine the maximum HD of the undead that can be turned.
    if(nTurnCheck <= 0)
    {
        nTurnLevel -= 4;
    }
    else if(nTurnCheck >= 1 && nTurnCheck <= 3)
    {
        nTurnLevel -= 3;
    }
    else if(nTurnCheck >= 4 && nTurnCheck <= 6)
    {
        nTurnLevel -= 2;
    }
    else if(nTurnCheck >= 7 && nTurnCheck <= 9)
    {
        nTurnLevel -= 1;
    }
    else if(nTurnCheck >= 10 && nTurnCheck <= 12)
    {
        //Stays the same
    }
    else if(nTurnCheck >= 13 && nTurnCheck <= 15)
    {
        nTurnLevel += 1;
    }
    else if(nTurnCheck >= 16 && nTurnCheck <= 18)
    {
        nTurnLevel += 2;
    }
    else if(nTurnCheck >= 19 && nTurnCheck <= 21)
    {
        nTurnLevel += 3;
    }
    else if(nTurnCheck >= 22)
    {
        nTurnLevel += 4;
    }

    //Gets all creatures in a 20m radius around the caster and turns them or not.  If the creatures
    //HD are 1/2 or less of the nClassLevel then the creature is destroyed.
    int nCnt = 1;
    int nHD, nRacial, nHDCount, bValid, nDamage;
    nHDCount = 0;
    effect eVis = EffectVisualEffect(VFX_IMP_SUNSTRIKE);
    effect eVisTurn = EffectVisualEffect(VFX_DUR_MIND_AFFECTING_FEAR);
    effect eDamage;
    effect eTurned = EffectTurned();
    effect eDur = EffectVisualEffect(VFX_DUR_CESSATE_NEGATIVE);
    effect eLink = EffectLinkEffects(eVisTurn, eTurned);
    eLink = EffectLinkEffects(eLink, eDur);

    effect eDeath = SupernaturalEffect(EffectDeath(TRUE));

    effect eImpactVis = EffectVisualEffect(VFX_FNF_LOS_HOLY_30);
    ApplyEffectAtLocation(DURATION_TYPE_INSTANT, eImpactVis, GetLocation(OBJECT_SELF));

    //Get nearest enemy within 20m (60ft)
    //Why are you using GetNearest instead of GetFirstObjectInShape
    object oTarget = GetNearestCreature(CREATURE_TYPE_IS_ALIVE, TRUE , OBJECT_SELF, nCnt,CREATURE_TYPE_PERCEPTION , PERCEPTION_SEEN);

    while(GetIsObjectValid(oTarget) && nHDCount < nTurnHD && GetDistanceToObject(oTarget) <= 20.0)
    {
        if(!GetIsFriend(oTarget))
        {
            nRacial = GetRacialType(oTarget);

            if (nRacial == RACIAL_TYPE_OUTSIDER )
            {
                if (nPlanar)
                {
                     //Planar turning decreases spell resistance against turning by 1/2
                     nHD = GetHitDice(oTarget) + (GetSpellResistance(oTarget) /2) + GetTurnResistanceHD(oTarget);
                }
                else
                {
                    nHD = GetHitDice(oTarget) + (GetSpellResistance(oTarget) + GetTurnResistanceHD(oTarget) );
                }
            }
            else //(full turn resistance)
            {
                  nHD = GetHitDice(oTarget) + GetTurnResistanceHD(oTarget);
            }
            //1.70 by Shadooow: special workaround for player characters wearing custom items with turn resistance and shifter in spectre form
            if(GetIsPC(oTarget) && !GetIsDMPossessed(oTarget) && !GetIsPossessedFamiliar(oTarget))
            {
                nHD+= GetPCTurnResistance(oTarget);
            }

            if(nHD <= nTurnLevel && nHD <= (nTurnHD - nHDCount))
            {
                //Check the various domain turning types
                if(nRacial == RACIAL_TYPE_UNDEAD)
                {
                    bValid = TRUE;
                }
                else if (nRacial == RACIAL_TYPE_VERMIN && nVermin > 0)
                {
                    bValid = TRUE;
                }
                else if (nRacial == RACIAL_TYPE_ELEMENTAL && nElemental > 0)
                {
                    bValid = TRUE;
                }
                else if (nRacial == RACIAL_TYPE_CONSTRUCT && nConstructs > 0)
                {
                    SignalEvent(oTarget, EventSpellCastAt(OBJECT_SELF, SPELLABILITY_TURN_UNDEAD));
                    nDamage = d3(nTurnLevel);
                    eDamage = EffectDamage(nDamage, DAMAGE_TYPE_MAGICAL);
                    ApplyEffectToObject(DURATION_TYPE_INSTANT, eVis, oTarget);
                    DelayCommand(0.01, ApplyEffectToObject(DURATION_TYPE_INSTANT, eDamage, oTarget));
                    nHDCount += nHD;
                }
                else if (nRacial == RACIAL_TYPE_OUTSIDER && (nGoodOrEvilDomain+nPlanar > 0) )
                {
                    bValid = TRUE;
                }
                // * if wearing gauntlets of the lich,then can be turned
                else if (GetIsObjectValid(GetItemPossessedBy(oTarget, "x2_gauntletlich")) == TRUE)
                {
                    if (GetTag(GetItemInSlot(INVENTORY_SLOT_ARMS)) == "x2_gauntletlich")
                    {
                        bValid = TRUE;
                    }
                }

                //Apply results of the turn
                if( bValid == TRUE)
                {

                    ApplyEffectToObject(DURATION_TYPE_INSTANT, eVis, oTarget);

                    if (nPlanar>0 && nRacial == RACIAL_TYPE_OUTSIDER)
                    {
                        effect ePlane = EffectVisualEffect(VFX_IMP_DIVINE_STRIKE_HOLY);
                        ApplyEffectToObject(DURATION_TYPE_INSTANT, ePlane, oTarget);
                    }
                    //if(IntToFloat(nClassLevel)/2.0 >= IntToFloat(nHD))
                    //{

                    if((nClassLevel/2) >= nHD)
                    {
                        if (nPlanar>0 && nRacial == RACIAL_TYPE_OUTSIDER)
                        {
                            effect ePlane2 = EffectVisualEffect(VFX_IMP_UNSUMMON);
                            ApplyEffectToObject(DURATION_TYPE_INSTANT, ePlane2, oTarget);
                        }

                        effect ePlane2 = EffectVisualEffect(VFX_IMP_DIVINE_STRIKE_HOLY);

                        //Fire cast spell at event for the specified target
                        SignalEvent(oTarget, EventSpellCastAt(OBJECT_SELF, SPELLABILITY_TURN_UNDEAD));
                        //Destroy the target
                        DelayCommand(0.1f, ApplyEffectToObject(DURATION_TYPE_INSTANT, eDeath, oTarget));
                    }
                    else
                    {
                        //Turn the target
                        //Fire cast spell at event for the specified target
                        SignalEvent(oTarget, EventSpellCastAt(OBJECT_SELF, SPELLABILITY_TURN_UNDEAD));
                        AssignCommand(oTarget, ActionMoveAwayFromObject(OBJECT_SELF, TRUE));
                        ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eLink, oTarget, RoundsToSeconds(nClassLevel + 5));
                    }
                    nHDCount = nHDCount + nHD;
                }
            }
            bValid = FALSE;
        }
        nCnt++;
        oTarget = GetNearestCreature(CREATURE_TYPE_IS_ALIVE,TRUE, OBJECT_SELF, nCnt,CREATURE_TYPE_PERCEPTION , PERCEPTION_SEEN);
    }
}

int GetPCTurnResistance(object oPC)
{
 if(!GetIsPC(oPC) || GetIsDMPossessed(oPC) || GetIsPossessedFamiliar(oPC))
 {
 return 0;//in these cases the default function works fine
 }
int nTurnResistance;
object oItem;
int nSlot;
itemproperty ip;
 for(;nSlot < NUM_INVENTORY_SLOTS;nSlot++)
 {
 oItem = GetItemInSlot(nSlot,oPC);
  if(GetIsObjectValid(oItem))
  {
  ip = GetFirstItemProperty(oItem);
   while(GetIsItemPropertyValid(ip))
   {
    if(GetItemPropertyType(ip) == ITEM_PROPERTY_TURN_RESISTANCE)
    {
    nTurnResistance+= GetItemPropertyCostTableValue(ip);//turn resistance stacks even on one item
    }
   ip = GetNextItemProperty(oItem);
   }
  }
 }
return nTurnResistance;
}