Bobomb NPC Script v0,.2

import "std.zh"

//////////////////////////////////
/// BobOmb for 2.55            ///
/// By: ZoriaRPG               ///
/// 5th May, 2019              ///
/// v0.2                       ///
//////////////////////////////////

//v0.2 Fixed a typo in the call to isValid().

//const int NPC_BOBOMB = 177; //Moved to bobomb.ID

//Use on a walking enemy with every defence set to Stun
npc script bobomb
{
    const int TIMER     = 14; //Misc Index to store Timer
    const int CSET      = 13; //Misc Index to store CSet
    const int FLASH_CSET    = 8; //Some defaults. IDK if I should auto-assign them.
    const int DURATION  = 120; //Some defaults. IDK if I should auto-assign them.
    const int ID        = 177; //The enemy ID. Call as bobomb.ID elsewhere, if needed.
    //Damage of explosion, misc index of timer, misc index to store base cset, value fo flash cset, duration of timer
    void run(int misc_timer, int misc_cset, int flash_cset)
    {
        itemdata id = Game->LoadItemData(I_BOMB);
        int pow = (this->WeaponDamage > 0) ? (this->WeaponDamage) : id->Power;

        //Auto-assign if the user forgot to set them.
        misc_timer = ( misc_timer > 0 ) ? misc_timer : TIMER;
        misc_cset = ( misc_cset > 0 ) ? misc_cset : CSET;
        flash_cset = ( flash_cset > 0 ) ? flash_cset : FLASH_CSET;
        this->Misc[misc_timer] = -1;
        while(this->isValid())
        {
            if ( this->Stun > 1 )
            {
                //check its timer

                switch(this->Misc[misc_timer])
                {
                    case -1:
                    {
                        //uninitialised
                        this->Misc[misc_timer] = 0;
                        continue; //initialise and move on to case 0.
                        //This is to ensure that the effect does not repeat.
                    }
                    case 0:
                    {
                        //its not yet flashing, so set its timer.
                        this->Misc[misc_timer] = DURATION;  //This is the duration of the flash, not the explosion.
                        this->Misc[misc_cset] = this->CSet;
                        break;
                    }
                    default:
                    {
                        this->Misc[misc_timer]--;
                        if ( !(this->Misc[misc_timer] % 5) )
                        {
                            //Make it flash
                            this->CSet = flash_cset;
                        }
                        else this->CSet = this->Misc[misc_cset];
                        break;
                    }
                }

            }
            if ( this->Stun == 1 )
            {
                //time to explode
                eweapon e = Screen->CreateEWeapon(EW_SBOMBBLAST);
                e->Damage = pow;
                e->X = this->X; e->Y = this->Y;
                this->HP = -9999;
            }

            Waitframe();
        }
    }
}