Enemy Laser EWeapon Script v2

#include "std.zh"

    eweapon script laz
    {
        void run
        (   int speed, int colour, int layer, int fizzlesfx,
            int fizzlesprite, int shotsfx, int maxDist
        )
        {
            int startX = CenterX(this);
            int startY = CenterY(this);
            this->Angular = true;
            Audio->PlaySound(shotsfx); //because enemy editor shot sound isn't variable yet
            this->Angle = ArcTan(Link->X-this->X, Link->Y-this->Y);
            this->Step = speed;
            /*  this->Damage = Game->LoadNPCData(this->Parent)->WeaponDamage;
                should get bthis from the enemy editor
            */
            this->DrawYOffset = -32768;
            while(1)
            {
                if
                ( Screen->isSolid(CenterX(this), CenterY(this))
                        /*|| ( Distance(startX, startY, CenterX(this), CenterY(this)) > maxDist )*/
                )
                {
                    this->DeadState = WDS_DEAD;
                    Audio->PlaySound(fizzlesfx);
                    if(fizzlesprite)
                    {

                        lweapon fiz = Screen->CreateLWeapon(LW_SPARKLE);
                        fiz->UseSprite(fizzlesprite);
                        fiz->CollDetection = false;
                        fiz->X = this->X;
                        fiz->Y = this->Y;
                    }
                }
                else
                {
                //printf("parent->X: %d\n", Screen->LoadNPCByUID(this->ParentUID)->X);
                    Screen->Line
                    (   layer, Screen->LoadNPCByUID(this->ParentUID)->DrawXOffset
                        + Screen->LoadNPCByUID(this->ParentUID)->X
                        + ((Screen->LoadNPCByUID(this->ParentUID)->TileWidth)*8),
                        Screen->LoadNPCByUID(this->ParentUID)->DrawYOffset
                        + Screen->LoadNPCByUID(this->ParentUID)->Y
                        + ((Screen->LoadNPCByUID(this->ParentUID)->TileHeight)*8),
                        CenterX(this), CenterY(this), colour, 1, 0, 0, 0, 128
                    );
                }
                Waitframe();
            }
        }
    }