Spawn Weapon on Weapon Death v0.2

//Spawn A Weapon on the Death of Another Weapon
//'Replace on Death'
//By ZoriaRPG
//19th March, 2019

//v0.1 : Initial
//v0.2 : Fixed compile. Fixed weapon orientations.


lweapon script ReplaceOnDeath
{
    void run(int newWeaponType, int requireItem, int requireCounter, int CounterAmount, bool flipOnDeath, bool newDirOnDeath, int newDir, int newScript) //could be flags here
    {

        itemdata bomb; bool found; bool super; int x; int y; int pow;
        if ( requireItem > 0 )
        {
            bomb = Game->LoadItemData(Link->ItemA);
            if ( bomb->ID == requireItem ) found = true;
            if ( !found )
            {
                bomb = Game->LoadItemData(Link->ItemB);
                if ( bomb->Family == IC_BOMB ) { found = true; }
            }
            if ( !found ) Quit(); //quit if bombs not in a slot
        }

        pow = bomb->Power;
        if ( requireCounter )
        {
            if ( Game->Counter[requireCounter] < CounterAmount ) Quit(); //quit if not enough bombs
                else Game->Counter[requireCounter] -=CounterAmount;
        }


        while(this->isValid())
        {
            x = this->X; y = this->Y;

            if ( this->DeadState != WDS_ALIVE ) //When the arrow itself dies, make an explosion.
            {
                lweapon boom = Screen->CreateLWeapon(newWeaponType);
                boom->Damage = pow;
                boom->X = x;
                boom->Y = y;
                boom->Step = this->Step;
                boom->Dir = this->Dir;
                if ( flipOnDeath ) { boom->Dir = reversedirection(this->Dir); boom->Flip = AdjustFlip(this); } //ReflectWeapon(boom, this->Angular);
                else if ( newDirOnDeath ) { boom->Dir = newDir; boom->Flip = AdjustFlip(this); }
                boom->Damage = this->Damage; //need a new damage attribute; reduce param count to accomplish this
                if ( Abs(newScript) < 511 ) boom->Script = newScript;
                Quit(); //Spawn only one weapon.
            }

            Waitframe();
        }

    }
    //Returns the reverse f any of the eight cardinal directions.
    int reversedirection(int dir)
    {
        switch(dir)
        {
            case DIR_UP: return DIR_DOWN; break;
            case DIR_DOWN: return DIR_UP; break;
            case DIR_LEFT: return DIR_RIGHT; break;
            case DIR_RIGHT: return DIR_LEFT; break;
        }
        //if ( dir == DIR_LEFT) return DIR_RIGHT;
        //if ( dir == DIR_DOWN) return DIR_UP;
        //if ( dir == DIR_UP) return DIR_DOWN;
        //if ( dir == DIR_RIGHT) return DIR_LEFT;
        ///if ( dir == DIR_LEFTUP) return DIR_RIGHTDOWN;
        //if ( dir == DIR_RIGHTDOWN) return DIR_LEFTUP;
        //if ( dir == DIR_LEFTDOWN) return DIR_RIGHTUP;
        //if ( dir == DIR_RIGHTUP) return DIR_LEFTDOWN;
    }
    /*
    int FlipRev(lweapon l){
        if ( l->Dir == DIR_DOWN || l->Dir == DIR_UP && !l->Flip ) return 2;
        if ( l->Dir == DIR_DOWN || l->Dir == DIR_UP && l->Flip ) return 0;
        if ( l->Dir == DIR_LEFT || l->Dir == DIR_RIGHT && !l->Flip ) return 1;
        if ( l->Dir == DIR_LEFT || l->Dir == DIR_RIGHT && l->Flip ) return 0;
        return -1;
    }
    */
    int AdjustFlip(lweapon l)
    {
        switch(l->Dir)
        {
            case DIR_DOWN: return 0; break;
            case DIR_UP: return 2; break;
            case DIR_LEFT: return 4; break;
            case DIR_RIGHT: return 7; break;
        }
    }
    lweapon ReflectWeapon(lweapon l, bool angular)
    {
        l->Dir = reversedirection(l->Dir);
        //l->Flip = FlipRev(l);
        l->Angular = angular;
        if ( angular )
        {
            if (l->Angle >= 180 ) l->Angle -= 180;
            else l->Angle += 180;
        }
    }
}