parpg-source: objects/action.py comparison

comparison objects/action.py @ 0:7a89ea5404b1

Initial commit of parpg-core.

author	M. George Hansen <technopolitica@gmail.com>
date	Sat, 14 May 2011 01:12:35 -0700
parents
children	06145a6ee387

comparison

equal deleted inserted replaced

--1:000000000000
+:7a89ea5404b1
+#   This file is part of PARPG.
+#   PARPG is free software: you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation, either version 3 of the License, or
+#   (at your option) any later version.
+#   PARPG 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 General Public License for more details.
+#   You should have received a copy of the GNU General Public License
+#   along with PARPG.  If not, see <http://www.gnu.org/licenses/>.
+#exceptions
+import logging
+logger = logging.getLogger('action')
+from parpg.gui import drag_drop_data as data_drag
+class NoSuchQuestException(Exception):
+"""NoQuestException is used when there is no active quest with the id"""
+pass
+#classes
+class Action(object):
+"""Base Action class, to define the structure"""
+def __init__(self, controller, commands = None):
+"""Basic action constructor
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+"""
+self.commands = commands or ()
+self.controller = controller
+self.model = controller.model
+def execute(self):
+"""To be overwritten"""
+#Check if there are special commands and execute them
+for command_data in self.commands:
+command = command_data["Command"]
+if command == "SetQuestVariable":
+quest_id = command_data["ID"]
+variable = command_data["Variable"]
+value = command_data["Value"]
+quest_engine = self.model.game_state.quest_engine
+if quest_engine.hasQuest(quest_id):
+quest_engine[quest_id].setValue(variable, value)
+else:
+raise NoSuchQuestException
+elif command == "ResetMouseCursor":
+self.controller.resetMouseCursor()
+elif command == "StopDragging":
+data_drag.dragging = False
+class ChangeMapAction(Action):
+"""A change map scheduled"""
+def __init__(self, controller, target_map_name, target_pos, commands=None):
+"""Initiates a change of the position of the character
+possibly flagging a new map to be loaded.
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+@type target_map_name: String
+@param target_map_name: Target map id
+@type target_pos: Tuple
+@param target_pos: (X, Y) coordinates on the target map.
+@return: None"""
+super(ChangeMapAction, self).__init__(controller, commands)
+self.view = controller.view
+self.target_pos = target_pos
+self.target_map_name = target_map_name
+def execute(self):
+"""Executes the map change."""
+self.model.changeMap(self.target_map_name,
+self.target_pos)
+super(ChangeMapAction, self).execute()
+class OpenAction(Action):
+"""Open a container"""
+def __init__(self, controller, container, commands=None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+@param container: A reference to the container
+"""
+super(OpenAction, self).__init__(controller, commands)
+self.view = controller.view
+self.container = container
+def execute(self):
+"""Open the box."""
+self.view.hud.createBoxGUI(self.container.name, \
+self.container)
+super(OpenAction, self).execute()
+class OpenBoxAction(OpenAction):
+"""Open a box. Needs to be more generic, but will do for now."""
+def __init__(self, controller, container, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+@param container: A reference to the container
+"""
+super(OpenBoxAction, self).__init__(controller, commands)
+self.view = controller.view
+self.container = container
+def execute(self):
+"""Open the box."""
+try:
+self.container.open()
+super(OpenBoxAction, self).execute()
+except ValueError:
+self.view.hud.createExamineBox(self.container.name, \
+"The container is locked")
+class UnlockBoxAction(Action):
+"""Unlocks a box. Needs to be more generic, but will do for now."""
+def __init__(self, controller, container, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@param container: A reference to the container
+"""
+super(UnlockBoxAction, self).__init__(controller, commands)
+self.container = container
+def execute(self):
+"""Open the box."""
+self.container.unlock()
+super(UnlockBoxAction, self).execute()
+class LockBoxAction(Action):
+"""Locks a box. Needs to be more generic, but will do for now."""
+def __init__(self, controller, container, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@param container: A reference to the container
+"""
+super(LockBoxAction, self).__init__(controller, commands)
+self.container = container
+def execute(self):
+"""Lock the box."""
+self.container.lock()
+super(LockBoxAction, self).execute()
+class ExamineAction(Action):
+"""Examine an object."""
+def __init__(self, controller, examine_id, examine_name, examine_desc=None, commands=None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param examine_id: An object id
+@type examine_id: integer
+@param examine_name: An object name
+@type examine_name: string
+@param examine_desc: A description of the object that will be displayed.
+@type examine_desc: string
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+"""
+super(ExamineAction, self).__init__(controller, commands)
+self.view = controller.view
+self.examine_id = examine_id
+self.examine_name = examine_name
+if examine_desc is not None:
+self.examine_desc = examine_desc
+else:
+self.examine_desc = "No Description"
+def execute(self):
+"""Display the text."""
+action_text = self.examine_desc
+self.view.hud.addAction(unicode(action_text))
+logger.debug(action_text)
+#this code will cut the line up into smaller lines that will be displayed
+place = 25
+while place <= len(action_text):
+if action_text[place] == ' ':
+action_text = action_text[:place] +'\n'+action_text[place:]
+place += 26 #plus 1 character to offset the new line
+else: place += 1
+self.view.displayObjectText(self.examine_id, unicode(action_text), time=3000)
+class ExamineItemAction(Action):
+"""Examine an item."""
+def __init__(self, controller, examine_name, examine_desc, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+@type examine_name: String
+@param examine_name: Name of the object to be examined.
+@type examine_name: String
+@param examine_name: Description of the object to be examined.
+"""
+super(ExamineItemAction, self).__init__(controller, commands)
+self.view = controller.view
+self.examine_name = examine_name
+self.examine_desc = examine_desc
+def execute(self):
+"""Display the text."""
+action_text = unicode(self.examine_desc)
+self.view.hud.addAction(action_text)
+logger.debug(action_text)
+class ReadAction(Action):
+"""Read a text."""
+def __init__(self, controller, text_name, text, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@param view: The view
+@type view: class derived from parpg.ViewBase
+@param text_name: Name of the object containing the text
+@type text_name: String
+@param text: Text to be displayied
+@type text: String
+"""
+super(ReadAction, self).__init__(controller, commands)
+self.view = controller.view
+self.text_name = text_name
+self.text = text
+def execute(self):
+"""Examine the box."""
+action_text = unicode('\n'.join(["You read " + self.text_name + ".",
+self.text]))
+self.view.hud.addAction(action_text)
+logger.debug(action_text)
+super(ReadAction, self).execute()
+class TalkAction(Action):
+"""An action to represent starting a dialogue"""
+def __init__(self, controller, npc, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param commands: Special commands that are executed
+@type commands: Dictionary
+@type view: class derived from parpg.ViewBase
+@param view: The view
+@type npc: NonPlayerCharacter
+@param npc: NPC to interact with.
+"""
+super(TalkAction, self).__init__(controller, commands)
+self.view = controller.view
+self.npc = npc
+def execute(self):
+"""Talk with the NPC when close enough, otherwise move closer.
+@return: None"""
+from parpg.dialoguecontroller import DialogueController
+player_char = self.model.game_state.player_character
+npc_coordinates = self.npc.getLocation().getLayerCoordinates()
+pc_coordinates = player_char.behaviour.agent.\
+getLocation().getLayerCoordinates()
+distance_squared = (npc_coordinates.x - pc_coordinates.x) *\
+(npc_coordinates.x - pc_coordinates.x) +\
+(npc_coordinates.y - pc_coordinates.y) *\
+(npc_coordinates.y - pc_coordinates.y)
+# If we are too far away, we approach the NPC again
+if distance_squared > 2:
+player_char.approach([self.npc.getLocation().
+getLayerCoordinates().x,
+self.npc.getLocation().
+getLayerCoordinates().y],
+TalkAction(self.controller,
+self.npc, self.commands))
+else:
+player_char.behaviour.agent.act('stand', self.npc.getLocation())
+if self.npc.dialogue is not None:
+dialogue_controller = DialogueController(self.controller.engine,
+self.view,
+self.model,
+self.controller.application)
+self.controller.application.pushController(dialogue_controller)
+dialogue_controller.startTalk(self.npc)
+else:
+self.npc.behaviour.agent.say("Leave me alone!", 1000)
+self.model.game_state.player_character.behaviour.idle()
+self.model.game_state.player_character.nextAction = None
+super(TalkAction, self).execute()
+class UseAction(Action):
+"""Action for carryable items. It executes special commands that can be only
+used on carryable utens"""
+def __init__(self, controller, item, commands = None):
+"""
+@param controller: A reference to the GameSceneController.
+@type controller: parpg.GameSceneController
+@param item: Item on which the action is called
+@type item: CarryableItem
+@param commands: Special commands that are executed
+@type commands: Dictionary
+"""
+super(UseAction, self).__init__(controller, commands)
+self.view = controller.view
+self.item = item
+def execute(self):
+#Check if there are special commands and execute them
+for command_data in self.commands:
+command = command_data["Command"]
+if command == "ReplaceItem":
+object_id = command_data["ID"]
+object_type = command_data["ObjectType"]
+container = self.item.in_container
+inst_dict = {}
+inst_dict["ID"] = object_id
+inst_dict["object_type"] = object_type
+new_item = self.model.createContainerObject(inst_dict)
+container.replaceItem(self.item, new_item)
+self.view.hud.inventory.updateInventoryButtons()
+super(UseAction, self).execute()
+class PickUpAction(Action):
+"""Action for picking up items from a map"""
+def __init__(self, controller, map_item, commands = None):
+super(PickUpAction, self).__init__(controller, commands)
+self.map_item = map_item
+self.view = controller.view
+def execute(self):
+real_item = self.map_item.item
+self.model.deleteObject(self.map_item.ID)
+self.model.game_state.player_character.\
+inventory.placeItem(real_item)
+self.view.hud.inventory.updateInventoryButtons()
+super(PickUpAction, self).execute()
+class DropItemAction(Action):
+"""Action for dropping an items on a map"""
+def __init__(self, controller, item, commands = None):
+super(DropItemAction, self).__init__(controller, commands)
+self.item = item
+def execute(self):
+map_name = self.model.game_state.current_map_name
+map_item_values = {}
+map_item_values["ViewName"] = self.item.name
+map_item_values["ObjectType"] = "MapItem"
+map_item_values["ItemType"] = self.item.item_type
+map_item_values["Map"] = map_name
+coords = self.model.game_state.player_character.\
+getLocation().getExactLayerCoordinates()
+map_item_values["Position"] = (coords.x, coords.y)
+map_item_values["Rotation"] = 0
+map_item_values["item"] = self.item
+agent = {}
+agent[self.item.ID] = map_item_values
+self.model.addAgent("All", agent)
+self.model.placeAgents()
+super(DropItemAction, self).execute()
+class DropItemFromContainerAction(DropItemAction):
+"""Action for dropping an items from the Inventory to a map"""
+def __init__(self, controller, item, container_gui, commands = None):
+super(DropItemFromContainerAction, self).__init__(controller, item, commands)
+self.container_gui = container_gui
+def execute(self):
+super(DropItemFromContainerAction, self).execute()
+self.item.in_container.takeItem(self.item)
+self.container_gui.updateImages()
+class BrewBeerAction(Action):
+"""Action for brewing beer in a pot"""
+def __init__(self, controller, pot, commands = None):
+super(BrewBeerAction, self).__init__(controller, commands)
+self.pot = pot
+self.view = controller.view
+def execute(self):
+"""Brew the beer"""
+has_water = False
+has_yeast = False
+has_fruit = False
+has_wood = False
+has_bottle = False
+player_character = self.model.game_state.player_character
+for item in self.pot.items.itervalues():
+if item.item_type == "Questionable water":
+if has_water:
+self.view.hud.addAction(unicode(\
+"Please put only 1 water in the pot"))
+return
+has_water = True
+water_type = 1
+water = item
+elif item.item_type == "Pure water":
+if has_water:
+self.view.hud.addAction(unicode(\
+"Please put only 1 water in the pot"))
+return
+has_water = True
+water_type = 2
+water = item
+elif item.item_type == "Grain":
+if has_fruit:
+self.view.hud.addAction(unicode(\
+"Please put only 1 fruit in the pot"))
+return
+has_fruit = True
+fruit_type = 3
+fruit = item
+elif item.item_type == "Wild potato":
+if has_fruit:
+self.view.hud.addAction(unicode(\
+"Please put only 1 fruit in the pot"))
+return
+has_fruit = True
+fruit_type = 2
+fruit = item
+elif item.item_type == "Rotten yam":
+if has_fruit:
+self.view.hud.addAction(unicode(\
+"Please put only 1 fruit in the pot"))
+return
+has_fruit = True
+fruit_type = 1
+fruit = item
+elif item.item_type == "Yeast":
+if has_yeast:
+self.view.hud.addAction(unicode(\
+"Please put only 1 yeast in the pot"))
+return
+has_yeast = True
+yeast = item
+else:
+self.view.hud.addAction(unicode("Item " + item.name + \
+" is not needed for brewing beer"))
+self.view.hud.addAction(unicode(\
+"Please put only ingredients for the beer in the pot.\
+Things like bottles and wood have to be in your inventory"))
+return
+wood = player_character.hasItem("Wood")
+if wood:
+has_wood = True
+bottle = player_character.hasItem("Empty beer bottle")
+if bottle:
+has_bottle = True
+if has_water and has_fruit and has_wood and has_bottle:
+self.pot.removeItem(water)
+self.pot.removeItem(fruit)
+if has_yeast:
+self.pot.removeItem(yeast)
+player_character.inventory.removeItem(wood)
+inst_dict = {}
+inst_dict["ID"] = "Beer"
+inst_dict["object_type"] = "Beer"
+new_item = self.model.createContainerObject(inst_dict)
+player_character.inventory.placeItem(new_item)
+self.view.hud.inventory.updateInventoryButtons()
+beer_quality = 0
+if water_type == 1:
+if fruit_type == 1:
+beer_quality = -1
+elif fruit_type == 2:
+beer_quality = 2
+elif fruit_type == 3:
+beer_quality = 3
+if water_type == 2:
+if fruit_type == 1:
+beer_quality = 1
+elif fruit_type == 2:
+beer_quality = 3
+elif fruit_type == 3:
+beer_quality = 4
+if beer_quality > 0 and has_yeast:
+beer_quality += 1
+self.model.game_state.quest_engine.quests["beer"].\
+setValue("beer_quality", beer_quality)
+else:
+self.view.hud.addAction(unicode(
+"""For brewing beer you need at least:
+In the pot:
+Fruit (like grain, potato, yam)
+Water
+Optionally:
+Good quality yeast.
+Wild yeast will be used if none present.
+In the inventory:
+Wood
+Empty bottle"""))
+super(BrewBeerAction, self).execute()
+ACTIONS = {"ChangeMap":ChangeMapAction,
+"Open":OpenAction,
+"OpenBox":OpenBoxAction,
+"Unlock":UnlockBoxAction,
+"Lock":LockBoxAction,
+"ExamineItem":ExamineItemAction,
+"Examine":ExamineAction,
+"Look":ExamineItemAction,
+"Read":ReadAction,
+"Talk":TalkAction,
+"Use":UseAction,
+"PickUp":PickUpAction,
+"DropFromInventory":DropItemFromContainerAction,
+"BrewBeer":BrewBeerAction}

Mercurial > parpg-source

comparison objects/action.py @ 0:7a89ea5404b1