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//Bomb Arrow Script for 2.55
//v0.2
//By ZoriaRPG
//19th March, 2019
 
//v0.1 : Initial
//v0.2 : Fix comppile, and fix how we check if the arrow is dead to create the explosion.
//     : We cannot run the explosion after while(this->isValid()), because the script runs out of scope if the
//     : sprite is no longer on the screen. Thus, we check its deadstate, while it is valid. 
 
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;
                if ( flipOnDeath ) ReflectWeapon(boom, this->Angular);
                else if ( newDirOnDeath ) { boom->Dir = newDir; boom->Flip = FlipRev(boom); }
                
                if ( Abs(newScript) < 511 ) boom->Script = newScript;
            }
            
            Waitframe(); 
        }
        
    }
    
    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;
    }
    lweapon ReflectWeapon(lweapon l, bool angular)
    {
        l->Dir = DirRev(l->Dir);
        l->Flip = FlipRev(l);
        l->Angular = angular;
        if ( angular ) 
        {
            if (l->Angle >= 180 ) l->Angle -= 180;
            else l->Angle += 180;
        }
    }
}