include library.create;
include library.utils;
include library.player_structure;
include library.sui;
include library.static_item;
include library.space_utils;
include library.space_transition;

/***** TRIGGERS ********************************************************/
//Call registerSelf
trigger OnInitialize()
{	
	//obj_id topContainer = getTopMostContainer(getSelf());
	obj_id container = getLocation(self).cell;
	if(isIdValid(container))
	{
		boolean check = registerSelf(container);
		if(check)
		{
			string templateString = getTemplateName(self);
			if(templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_backdrop_generator.iff")) 
			{
				if(hasObjVar(self, "paintingId"))
				{
					obj_id oldBackdrop = getObjIdObjVar(self, "paintingId");
					if(isIdValid(oldBackdrop))
					{
						destroyObject(oldBackdrop);
					}
					removeObjVar(self, "paintingId");

					location backdropLocation = getLocation(self);
					float myYaw = getYaw (self);
					backdropLocation.y += 0.3f;
					string staticString = getStringObjVar(self, "paintingType");
					obj_id backdropId = static_item.createNewItemFunction(staticString, container, backdropLocation);
					if (!isIdValid (backdropId) || isIdNull (backdropId))
					{
						return SCRIPT_CONTINUE;
					}

					else
					{
						setYaw (backdropId, myYaw);
						setObjVar(self, "paintingId", backdropId);
					}
				}	
			}
		}
		
	}
	

	return SCRIPT_CONTINUE;
}

trigger OnAboutToBeTransferred (obj_id destContainer, obj_id transferer)
{

	obj_id topContainer = getTopMostContainer(self);
	
// Check source container. If needed call unregisterSelf()
// Check destination containr, is it valid? If so call register self

// If the item is a backdrop generator we want to clear any existing backdrop associated with the generator
	string templateString = getTemplateName(self);
	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_backdrop_generator.iff")) 
	{
		if(hasObjVar(self, "paintingId"))
		{
			obj_id oldBackdrop = getObjIdObjVar(self, "paintingId");
			destroyObject(oldBackdrop);
			removeObjVar(self, "paintingId");
		}	
	}

	if (templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_fog_machine.iff")) 
	{
		if(hasObjVar(self, "fogId"))
		{
			obj_id oldFog = getObjIdObjVar(self, "fogId");
			if(isIdValid(oldFog))
			{
				destroyObject(oldFog);
			}
			removeObjVar(self, "fogId");	
		}	
	}

// We want to handle leaving the old cell
	
	obj_id container = getLocation(self).cell;


	if(isIdValid(container) && checkArray(container))
	{
		boolean unreg = unregisterSelf();
	}
	
	if(isIdValid(destContainer))
	{
		boolean reg = registerSelf(destContainer);	
	}
	return SCRIPT_CONTINUE;
}



/*This method should verify that the prop meets all the expected conditions for interacting with a stage controller:
// - The prop must be in a player house or a POB ship
*/

// Verify that items in a backpack or in a player is rejected if the player is inside or outside
// Verify that an item in a house, on the floor is accepted
boolean checkLocation(obj_id cell)
{
	if(getCellName(cell)==null)
	{
		return false;
	}
	
	if (!utils.isNestedWithinAPlayer (cell))
	{
		obj_id house = getTopMostContainer(cell);
		obj_id ship = space_transition.getContainingShip(getSelf());

		string templateName ="";

		if(isIdValid(ship))
		{
			templateName = getTemplateName(ship);
		}


		if(isIdValid(house) && (player_structure.isBuilding(house) || space_utils.isPobType(templateName)))
		{
			return true;
		}
	}
	
	return false;
}



// This method will add the prop (self) to an scriptVar array on the cell (pending a successful locations check).
// Check the cell for an appopriate array
// get the array if it exists else create a new one
// add self to array
// add array to cell as a script var

boolean registerSelf(obj_id cell)
{
	obj_id self = getSelf();
	if(isIdValid(cell) && !checkArray(cell) && checkLocation(cell))
	{
	
		
		string template = getTemplate();
		resizeable obj_id[] objectList = new Vector();
		obj_id topContainer = getTopMostContainer(cell);
		if(utils.hasScriptVar(topContainer, template))
		{
			resizeable obj_id[] list = utils.getResizeableObjIdArrayScriptVar(topContainer, template);
			for(int i = 0; i < list.length; i++)
			{
				
				objectList.addElement(list[i]);
			}
		}

		objectList.addElement(self);
		
		utils.setScriptVar(topContainer, template, objectList);
		return true;
	}
	return false;
}

// This method will unregister the prop from the current cell containing the prop.
// Check for exisiting array on containing cell
// Get array from containing cell
// Remove self from array
// add array to cell
boolean unregisterSelf()
{
	obj_id topContainer = getTopMostContainer(getSelf());
	obj_id self = getSelf();
	string template = getTemplate();
	if(isIdValid(topContainer) && utils.hasScriptVar(topContainer, template))
	{
		resizeable obj_id[] objectList = utils.getResizeableObjIdArrayScriptVar(topContainer, template);
		for(int i = 0; i < objectList.length; i++)
		{
			if(objectList[i].equals(self))
			{
				objectList.removeElement(self);
				if(objectList.length > 0)
				{
					utils.setScriptVar(topContainer, template, objectList);
					
				}
				
				else
				{
					utils.removeScriptVar(topContainer, template);
				
				}
				
				return true;
			}
		}
	}
	return false;
}

//Check container for array
//Check array for self
boolean checkArray(obj_id cell)
{
	obj_id self = getSelf();
	obj_id topContainer = getTopMostContainer(self);
	
	string item = getTemplate();
	if(isIdValid(topContainer) && utils.hasScriptVar(topContainer, item))
	{
		resizeable obj_id[] objectList = utils.getResizeableObjIdArrayScriptVar(topContainer, item);
		for(int i = 0; i < objectList.length; i++)
		{
			if(objectList[i] == self)
			{
				return true;
			}
		}
	}
	return false;
}

//Gets the template for the prop type based on it's object template
string getTemplate()
{
	string templateString = getTemplateName(getSelf());
	
	string template = "";
	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_backdrop_generator.iff")) 
	{
		template = "entertainer_console.backdrop";
	
	}

	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_pyro_machine.iff"))
	{
		template = "entertainer_console.pyrotechnic";
	
	}
	
	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_smoke_machine.iff"))
	{
		template = "entertainer_console.smoke";
	
	}

	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_fog_machine.iff"))
	{
		template = "entertainer_console.fog";
	
	}
	
	if ( templateString != null && templateString.equals("object/tangible/item/entertainer_console/stage_light.iff" ))
	{
		template = "entertainer_console.light";
	
	}
	
	return template;

}