package com.droidquest.items;

import com.droidquest.Room;

public class Sentry3 extends Sentry 
{
	// This sentry guards the Sewer Grate room. It walks up and down from
	// position (2*28,2*32) to (2*28,8*32). It does not notice the player
	// unless the player passes below y=11*32. Then it grabs the player if
	// it goes above y=8*32. The Sentry drags the player down to y=11*32. If
	// the player ever leaves the room, the Sentry forgets about the player.

	// Behavior values:
	// 0=Move Down
	// 1=Move Up
	// 2=Attack
	// 3=Drag
	int carryToX;
	boolean smart= false; // knows about the player

	public Sentry3(int X, int Y, Room r) 
	  {
		super(X,Y,r);
	  }

	public void Animate() 
	  {
		if (behavior<3) animation++;
		if (animation==4) animation=0;
		if (animation==3)
		  currentIcon = icons[1].getImage();
		else
		  currentIcon = icons[animation].getImage();
		
		if (level.player.room!=room) 
		  {
		     if (smart) behavior = previousBehavior;
		     smart=false;
		  }
		else
		  if (level.player.y>320) 
		    {
		       carryToX = level.player.x;
		       smart=true;
		    }
		
		if (behavior<2 && smart)
		  if (level.player.y <= 256)
		    {
		       previousBehavior = behavior;
		       behavior=2;
		    }
		
		switch (behavior)
		  {
		   case 0:
		     if (y<256) MoveDown(8);
		     else behavior=1;
		     if (x<56) MoveRight(8);
		     if (x>56) MoveLeft(8);
		     break;
		   case 1:
		     if (y>64) MoveUp(8);
		     else behavior=0;
		     if (x<56) MoveRight(8);
		     if (x>56) MoveLeft(8);
		     break;
		   case 2:
		     if (level.player.room != room)
		       {
			  behavior = previousBehavior;
			  break;
		       }
		     int dx=level.player.x - x;
		     int dy=level.player.y - y;
		     if (dx<-50) dx=-50;
		     if (dx>50) dx=50;
		     if (dy<-50) dy=-50;
		     if (dy>50) dy=50;
		     if (dx<0) MoveLeft(-dx);
		     if (dx>0) MoveRight(dx);
		     if (dy<0) MoveUp(-dy);
		     if (dy>0) MoveDown(dy);
		     if (dx==0 && dy==0)
		       {
			  PicksUp(level.player);
			  behavior=3;
		       }
		     break;
		   case 3:
		     if (y>=320)
		       {
			  Drops();
			  behavior = previousBehavior;
			  break;
		       }
		     else
		       {
			  if (y<312)
			    MoveDown(8);
			  else if (y<320)
			    MoveDown(320-y);
			  if (x<carryToX)
			    MoveRight(8);
			  if (x>carryToX)
			    MoveLeft(8);
		       }
		     break;
		  }	
	  }

	}