#!/usr/bin/env python

# -*- coding: utf-8 -*-

# ####################################################################
#  Copyright (C) 2005-2010 by the FIFE team
#  http://www.fifengine.net
#  This file is part of FIFE.
#
#  FIFE is free software; you can redistribute it and/or
#  modify it under the terms of the GNU Lesser General Public
#  License as published by the Free Software Foundation; either
#  version 2.1 of the License, or (at your option) any later version.
#
#  This library is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#  Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public
#  License along with this library; if not, write to the
#  Free Software Foundation, Inc.,
#  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
# ####################################################################
# This is the rio de hola client for FIFE.

import sys, os, re, math, random, shutil

from fife import fife
from fife.extensions.loaders import loadMapFile
from fife.extensions.loaders import loadImportFile
from fife.extensions.fife_settings import Setting

from scripts.actors.baseactor import Actor
from scripts.actors.baseactor import QuestGiver, Quest
from scripts.actors.player import Player
from scripts.objects.baseobject import GameObjectTypes
from scripts.objects.items import BaseItem, GoldStack

class Scene(object):
	def __init__(self, gamecontroller):
		self._gamecontroller = gamecontroller
		
		self._map = None
		self._maincameraname = self._gamecontroller.settings.get("RPG", "DefaultCameraName", "camera1")
		self._cameras = {}
		
		self._actorlayer = None
		
		self._player = None
		self._objectlist = {}

	def loadItems(self, mapfilename):
		"""
		@todo: create a new function "loadItem(self, itemname)" which takes care of
		loading an individual item in case at some point in the game you want to
		load one at some point.
		"""
		mapname = os.path.splitext(os.path.basename(mapfilename))
		objectfile = "maps/" + mapname[0] + "_objects.xml"
		modelfile = self._gamecontroller.settings.get("RPG", "AllObjectFile", "maps/allobjects.xml")
		
		objectsettings = Setting(app_name="",settings_file=objectfile)
		modelsettings = Setting(app_name="", settings_file=modelfile)

		for item in objectsettings.get("items", "itemlist", []):
			itemdict = objectsettings.get("items", item, {})
			modeldict = modelsettings.get("models", itemdict["typename"], {})
			
			loadImportFile(modeldict["file"], self._gamecontroller.engine)
			
			if itemdict["typename"] == "GoldStack":
				newitem = GoldStack(self._gamecontroller, modeldict["model"], item)
				newitem.value = itemdict["value"]
			else:
				newitem = BaseItem(self._gamecontroller, modeldict["model"], item)
			
			newitem.setMapPosition(float(itemdict["posx"]), float(itemdict["posy"]))	
			self._objectlist[newitem.instance.getId()] = newitem
			
	def loadActors(self, mapfilename):
		"""
		@todo: create a new function "loadActor(self, actorname)" which takes care of
		loading an individual actor in case at some point in the game you want to
		load one at some point.
		"""
		mapname = os.path.splitext(os.path.basename(mapfilename))
		objectfile = "maps/" + mapname[0] + "_objects.xml"
		modelfile = self._gamecontroller.settings.get("RPG", "AllObjectFile", "maps/allobjects.xml")
		
		objectsettings = Setting(app_name="",settings_file=objectfile)
		modelsettings = Setting(app_name="", settings_file=modelfile)

		for npc in objectsettings.get("npcs", "npclist", []):
			objdict = objectsettings.get("npcs", npc, {})
			modeldict = modelsettings.get("models", objdict["typename"], {})
			
			loadImportFile(modeldict["file"], self._gamecontroller.engine)
			
			if modeldict["type"] == "QUESTGIVER":
				actor = QuestGiver(self._gamecontroller, modeldict["model"], npc, True)
				questcount = modelsettings.get(npc, "questcount", 0)
				for x in range(1,questcount+1):
					quest = "quest" + str(x)
					questdict = modelsettings.get(npc, quest, {})
					quest = Quest(actor, questdict['name'], questdict['desc'])
					
					for ritem in questdict['items'].split(" , "):
						if ritem == "GoldStack":
							quest.addRequiredGold(int(questdict['value']))
						else:
							quest.addRequiredItem(ritem)
					
					actor.addQuest(quest)
						
			elif modeldict["type"] == "NPC":
				actor = Actor(self._gamecontroller, modeldict["model"], npc, True)

			actor.setMapPosition(float(objdict["posx"]), float(objdict["posy"]))
			self._objectlist[actor.instance.getId()] = actor		
		
	def loadPlayer(self):
		"""
		@todo: once we have all art assets this should be able to load one of 3 player models
		"""
		modelfile = self._gamecontroller.settings.get("RPG", "AllObjectFile", "maps/allobjects.xml")
		modelsettings = Setting(app_name="", settings_file=modelfile)
		modeldict = modelsettings.get("models", "Player", {})
	
		loadImportFile(modeldict["file"], self._gamecontroller.engine)
		self._player = Player(self._gamecontroller, "warrior")

	def createScene(self, mapfilename):
		if not self._map:
			self._map = loadMapFile(mapfilename, self._gamecontroller.engine)
		else:
			self.destroyScene()

		for cam in self._map.getCameras():
			self._cameras[cam.getId()] = cam
		
		self._cameras[self._maincameraname].setZoom(self._gamecontroller.settings.get("RPG", "DefaultZoom", 2.0))
		
		self._actorlayer = self._map.getLayer(self._gamecontroller.settings.get("RPG", "ActorLayer", "actor_layer"))
		self._itemlayer = self._map.getLayer(self._gamecontroller.settings.get("RPG", "ItemLayer", "item_layer"))
		
		self.loadItems(mapfilename)
		self.loadActors(mapfilename)		
		
		#finally load the player
		self.loadPlayer()
	
		
	def destroyScene(self):
		self._cameras.clear()
		
		self._player.destroy()
		
		for obj in self._objectlist.values():
			obj.destroy()

		if self._map:
			self._gamecontroller.engine.getModel().deleteMap(self._map)
		
		self._map = None
		self._actorlayer = None
		
		self._player = None
		self._objectlist.clear()
		
	def getInstancesAt(self, clickpoint, layer):
		"""
		Query the main camera for instances on the specified layer.
		"""
		return self.cameras[self._maincameraname].getMatchingInstances(clickpoint, layer)

	def getLocationAt(self, clickpoint):
		"""
		Query the main camera for the Map location (on the actor layer)
		that a screen point refers to.
		"""
		target_mapcoord = self._cameras[self._maincameraname].toMapCoordinates(clickpoint, False)
		target_mapcoord.z = 0
		location = fife.Location(self._actorlayer)
		location.setMapCoordinates(target_mapcoord)
		return location
	
	def addObjectToScene(self, obj):
		self._objectlist[obj.id] = obj
	
	def removeObjectFromScene(self, obj):
		obj.destroy()
		del self._objectlist[obj.id]
	
	def updateScene(self):
		pass
		
	def _getActorLayer(self):
		return self._actorlayer
		
	def _getItemLayer(self):
		return self._itemlayer
	
	def _getCameras(self):
		return self._cameras
	
	def _getPlayer(self):
		return self._player
	
	def _getObjectList(self):
		return self._objectlist
	
	def _getMap(self):
		return self._map
	
	actorlayer = property(_getActorLayer)
	itemlayer = property(_getItemLayer)
	cameras = property(_getCameras)
	player = property(_getPlayer)
	objectlist = property(_getObjectList)
	map = property(_getMap)