///::///////////////////////////////////////////////
//:: Balagarn's Iron Horn
//::
//:: Copyright (c) 2002 Bioware Corp.
//:://////////////////////////////////////////////
/*
// Create a virbration that shakes creatures off their feet.
// Make a strength check as if caster has strength 20
// against all enemies in area
// Changes it so its not a cone but a radius.
*/
//:://////////////////////////////////////////////
//:: Created By: Brent
//:: Created On: July 22 2002
//:://////////////////////////////////////////////
//:: Last Updated By: Andrew Nobbs May 01, 2003

#include "X0_I0_SPELLS"

#include "x2_inc_spellhook"

void main()
{

/*
  Spellcast Hook Code
  Added 2003-06-20 by Georg
  If you want to make changes to all spells,
  check x2_inc_spellhook.nss to find out more

*/

    if (!X2PreSpellCastCode())
    {
    // If code within the PreSpellCastHook (i.e. UMD) reports FALSE, do not run this spell
        return;
    }

// End of Spell Cast Hook


    //Declare major variables
    object oCaster = OBJECT_SELF;
    int nCasterLvl = GetCasterLevel(oCaster);
    int nMetaMagic = GetMetaMagicFeat();
    float fDelay;
    float nSize =  RADIUS_SIZE_COLOSSAL;
    effect eExplode = EffectVisualEffect(VFX_FNF_HOWL_WAR_CRY);
    effect eVis = EffectVisualEffect(VFX_IMP_HEAD_NATURE);
    effect eShake = EffectVisualEffect(VFX_FNF_SCREEN_BUMP);
    //Get the spell target location as opposed to the spell target.
    location lTarget = GetSpellTargetLocation();
    //Limit Caster level for the purposes of damage
    if (nCasterLvl > 20)
    {
        nCasterLvl = 20;
    }
    ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eShake, OBJECT_SELF, RoundsToSeconds(d3()));
    //Apply epicenter explosion on caster
    ApplyEffectAtLocation(DURATION_TYPE_INSTANT, eExplode, GetLocation(OBJECT_SELF));
    //Declare the spell shape, size and the location.  Capture the first target object in the shape.
    object oTarget = GetFirstObjectInShape(SHAPE_SPHERE, nSize, lTarget, TRUE, OBJECT_TYPE_CREATURE);
    //Cycle through the targets within the spell shape until an invalid object is captured.
    while (GetIsObjectValid(oTarget))
    {
        // * spell should not affect the caster
        if (spellsIsTarget(oTarget, SPELL_TARGET_STANDARDHOSTILE, OBJECT_SELF) && (oTarget != oCaster))
        {
            //Fire cast spell at event for the specified target
            SignalEvent(oTarget, EventSpellCastAt(OBJECT_SELF, 436));
            //Get the distance between the explosion and the target to calculate delay
            fDelay = GetDistanceBetweenLocations(lTarget, GetLocation(oTarget))/20;
            if (!MyResistSpell(OBJECT_SELF, oTarget, fDelay))
            {
                effect eTrip = EffectKnockdown();
                // * DO a strength check vs. Strength 20
                if (d20() + GetAbilityScore(oTarget, ABILITY_STRENGTH) <= 20 + d20() )
                {
                    // Apply effects to the currently selected target.
                    DelayCommand(fDelay, ApplyEffectToObject(DURATION_TYPE_TEMPORARY, eTrip, oTarget, 6.0));
                    //This visual effect is applied to the target object not the location as above.  This visual effect
                    //represents the flame that erupts on the target not on the ground.
                    DelayCommand(fDelay, ApplyEffectToObject(DURATION_TYPE_INSTANT, eVis, oTarget));
                }
                else
                    FloatingTextStrRefOnCreature(2750, OBJECT_SELF, FALSE);
             }
        }
       //Select the next target within the spell shape.
       oTarget = GetNextObjectInShape(SHAPE_SPHERE, nSize, lTarget, TRUE, OBJECT_TYPE_CREATURE);
    }
}