///////////////////////////
/// NPC Script Room Guy ///
/// v0.3                ///
/// 8th March, 2019     ///
/// By: ZoriaRPG        ///
///////////////////////////

//ZQuest Screen Menu Sets Options
//Set Screen->String to the string to display
//Set Screen->Catchall to the delay time, if the roomtype is none.
//Otherwise, you can set a default delay on the enemy using D0. 

//v0.2 Initial Fixes
//v0.3 Added Once Only Behavioural Flag

npc script screenguy
{
	const int DELAY = 20; //Time to spawn. 
	const int BFLAG_ONCE = 4;
	const int REGISTER = 6;
	const int BIT = 2;
	void run(int delay, int reg, int bit)
	{
		delay = this->InitD[0] > 0 ? delay : DELAY;
		reg = this->InitD[1] > 0 ? reg : REGISTER;
		bit = this->InitD[2] > 0 ? bit : BIT;
		
		if ( !Screen->RoomType )
		{
			if ( Screen->Catchall )
			{
				delay = Screen->Catchall;
			}
		}
		this->CollDetection = false;
		//this->DrawYOffset = -32768;
		//Waitframes(Screen->Catchall); //might be in use depending on room type
		Waitframes(delay);
		
		if ( this->BFlags[BFLAG_ONCE] ) 
		{
			if ( !(GetScreenDBit(Game->GetCurDMap(), Game->GetCurScreen(), reg, bit)); )
			{
				Screen->Message(Screen->String);
				SetScreenDBit(Game->GetCurDMap(), Game->GetCurScreen(), reg, bit, true);
			}
		}
		else Screen->Message(Screen->String);
	}
}