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comparison src/parpg/gui/dialoguegui.py @ 0:1fd2201f5c36

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Initial commit of parpg-core.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 14 May 2011 01:12:35 -0700
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children d60f1dab8469
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1 # This file is part of PARPG.
2
3 # PARPG is free software: you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation, either version 3 of the License, or
6 # (at your option) any later version.
7
8 # PARPG is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
12
13 # You should have received a copy of the GNU General Public License
14 # along with PARPG. If not, see <http://www.gnu.org/licenses/>.
15 import logging
16
17 from fife import fife
18 from fife.extensions import pychan
19 from fife.extensions.pychan import widgets
20
21 from parpg.dialogueprocessor import DialogueProcessor
22
23 logger = logging.getLogger('dialoguegui')
24
25 class DialogueGUI(object):
26 """Window that handles the dialogues."""
27 _logger = logging.getLogger('dialoguegui.DialogueGUI')
28
29 def __init__(self, controller, npc, quest_engine, player_character):
30 self.active = False
31 self.controller = controller
32 self.dialogue_gui = pychan.loadXML("gui/dialogue.xml")
33 self.npc = npc
34 # TODO Technomage 2010-11-10: the QuestEngine should probably be
35 # a singleton-like object, which would avoid all of this instance
36 # handling.
37 self.quest_engine = quest_engine
38 self.player_character = player_character
39
40 def initiateDialogue(self):
41 """Callback for starting a quest"""
42 self.active = True
43 stats_label = self.dialogue_gui.findChild(name='stats_label')
44 stats_label.text = u'Name: John Doe\nAn unnamed one'
45 events = {
46 'end_button': self.handleEnd
47 }
48 self.dialogue_gui.mapEvents(events)
49 self.dialogue_gui.show()
50 self.setNpcName(self.npc.name)
51 self.setAvatarImage(self.npc.dialogue.avatar_path)
52
53 game_state = {'npc': self.npc, 'pc': self.player_character,
54 'quest': self.quest_engine}
55 try:
56 self.dialogue_processor = DialogueProcessor(self.npc.dialogue,
57 game_state)
58 self.dialogue_processor.initiateDialogue()
59 except (TypeError) as error:
60 self._logger.error(str(error))
61 else:
62 self.continueDialogue()
63
64 def setDialogueText(self, text):
65 """Set the displayed dialogue text.
66 @param text: text to display."""
67 text = unicode(text)
68 speech = self.dialogue_gui.findChild(name='speech')
69 # to append text to npc speech box, uncomment the following line
70 #speech.text = speech.text + "\n-----\n" + unicode(say)
71 speech.text = text
72 self._logger.debug('set dialogue text to "{0}"'.format(text))
73
74 def continueDialogue(self):
75 """Display the dialogue text and responses for the current
76 L{DialogueSection}."""
77 dialogue_processor = self.dialogue_processor
78 dialogue_text = dialogue_processor.getCurrentDialogueSection().text
79 self.setDialogueText(dialogue_text)
80 self.responses = dialogue_processor.continueDialogue()
81 self.setResponses(self.responses)
82
83 def handleEntered(self, *args):
84 """Callback for when user hovers over response label."""
85 pass
86
87 def handleExited(self, *args):
88 """Callback for when user hovers out of response label."""
89 pass
90
91 def handleClicked(self, *args):
92 """Handle a response being clicked."""
93 response_n = int(args[0].name.replace('response', ''))
94 response = self.responses[response_n]
95 dialogue_processor = self.dialogue_processor
96 dialogue_processor.reply(response)
97 if (not dialogue_processor.in_dialogue):
98 self.handleEnd()
99 else:
100 self.continueDialogue()
101
102 def handleEnd(self):
103 """Handle the end of the conversation being reached, either from the
104 GUI or from within the conversation itself."""
105 self.dialogue_gui.hide()
106 self.responses = []
107 self.npc.behaviour.state = 1
108 self.npc.behaviour.idle()
109 self.active = False
110
111 def setNpcName(self, name):
112 """Set the NPC name to display on the dialogue GUI.
113 @param name: name of the NPC to set
114 @type name: basestring"""
115 name = unicode(name)
116 stats_label = self.dialogue_gui.findChild(name='stats_label')
117 try:
118 (first_name, desc) = name.split(" ", 1)
119 stats_label.text = u'Name: ' + first_name + "\n" + desc
120 except ValueError:
121 stats_label.text = u'Name: ' + name
122
123 self.dialogue_gui.title = name
124 self._logger.debug('set NPC name to "{0}"'.format(name))
125
126 def setAvatarImage(self, image_path):
127 """Set the NPC avatar image to display on the dialogue GUI
128 @param image_path: filepath to the avatar image
129 @type image_path: basestring"""
130 avatar_image = self.dialogue_gui.findChild(name='npc_avatar')
131 avatar_image.image = image_path
132
133 def setResponses(self, dialogue_responses):
134 """Creates the list of clickable response labels and sets their
135 respective on-click callbacks.
136 @param responses: list of L{DialogueResponses} from the
137 L{DialogueProcessor}
138 @type responses: list of L{DialogueResponses}"""
139 choices_list = self.dialogue_gui.findChild(name='choices_list')
140 choices_list.removeAllChildren()
141 for index, response in enumerate(dialogue_responses):
142 button = widgets.Label(
143 name="response{0}".format(index),
144 text=unicode(response.text),
145 hexpand="1",
146 min_size=(100,16),
147 max_size=(490,48),
148 position_technique='center:center'
149 )
150 button.margins = (5, 5)
151 button.background_color = fife.Color(0, 0, 0)
152 button.color = fife.Color(0, 255, 0)
153 button.border_size = 0
154 button.wrap_text = 1
155 button.capture(lambda button=button: self.handleEntered(button),
156 event_name='mouseEntered')
157 button.capture(lambda button=button: self.handleExited(button),
158 event_name='mouseExited')
159 button.capture(lambda button=button: self.handleClicked(button),
160 event_name='mouseClicked')
161 choices_list.addChild(button)
162 self.dialogue_gui.adaptLayout(True)
163 self._logger.debug(
164 'added {0} to response choice list'.format(response)
165 )