Mercurial > parpg-source

annotate gui/dialoguegui.py @ 2:06145a6ee387

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Fixed resource path dependencies issue that caused PARPG to crash on start. * PARPG should now run without issue (system installation not tested). * Utilized FIFE's VFS module to remove path dependencies from most PARPG modules. * The new parpg.vfs module is a singleton with a single global variable, VFS, which is a reference to the global VFS instance. Although a singleton is not ideal it should be replaced once PARPG's core code is refactored. * The parpg.vfs singleton is initialized in the parpg.applicaiton.PARPGApplication class with the absolute path to the data directory via the parpg.settings module and corresponding configuration file. * A new DataPath entry was added to the default system configuration file template under the [parpg] section to support the new parpg.vfs module. * Updated the parpg-assets subrepo to revision 3 to fix some dialog file format issues (for details see commit message for parpg-assets). * Fixed a few bugs in the parpg.dialogueparsers.YAMLDialogueParser class related to exception handling.
author M. George Hansen <technopolitica@gmail.com>
date Mon, 06 Jun 2011 15:56:14 -1000
parents 7a89ea5404b1
children d3a9caba067b
rev   line source
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1 # This file is part of PARPG.
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2
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3 # PARPG is free software: you can redistribute it and/or modify
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4 # it under the terms of the GNU General Public License as published by
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5 # the Free Software Foundation, either version 3 of the License, or
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6 # (at your option) any later version.
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7
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8 # PARPG is distributed in the hope that it will be useful,
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9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 # GNU General Public License for more details.
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12
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13 # You should have received a copy of the GNU General Public License
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14 # along with PARPG. If not, see <http://www.gnu.org/licenses/>.
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15 import logging
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16
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17 from fife import fife
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18 from fife.extensions import pychan
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19 from fife.extensions.pychan import widgets
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20
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21 from parpg import vfs
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22 from parpg.dialogueprocessor import DialogueProcessor
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23
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24 logger = logging.getLogger('dialoguegui')
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25
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26 class DialogueGUI(object):
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27 """Window that handles the dialogues."""
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28 _logger = logging.getLogger('dialoguegui.DialogueGUI')
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29
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30 def __init__(self, controller, npc, quest_engine, player_character):
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31 self.active = False
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32 self.controller = controller
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33 xml_file = vfs.VFS.open('gui/dialogue.xml')
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34 self.dialogue_gui = pychan.loadXML(xml_file)
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35 self.npc = npc
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36 # TODO Technomage 2010-11-10: the QuestEngine should probably be
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37 # a singleton-like object, which would avoid all of this instance
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38 # handling.
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39 self.quest_engine = quest_engine
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40 self.player_character = player_character
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41
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42 def initiateDialogue(self):
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43 """Callback for starting a quest"""
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44 self.active = True
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45 stats_label = self.dialogue_gui.findChild(name='stats_label')
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46 stats_label.text = u'Name: John Doe\nAn unnamed one'
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47 events = {
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48 'end_button': self.handleEnd
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49 }
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50 self.dialogue_gui.mapEvents(events)
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51 self.dialogue_gui.show()
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52 self.setNpcName(self.npc.name)
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53 self.setAvatarImage(self.npc.dialogue.avatar_path)
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54
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55 game_state = {'npc': self.npc, 'pc': self.player_character,
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56 'quest': self.quest_engine}
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57 try:
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58 self.dialogue_processor = DialogueProcessor(self.npc.dialogue,
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59 game_state)
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60 self.dialogue_processor.initiateDialogue()
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61 except (TypeError) as error:
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62 self._logger.error(str(error))
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63 else:
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64 self.continueDialogue()
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65
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66 def setDialogueText(self, text):
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67 """Set the displayed dialogue text.
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68 @param text: text to display."""
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69 text = unicode(text)
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70 speech = self.dialogue_gui.findChild(name='speech')
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71 # to append text to npc speech box, uncomment the following line
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72 #speech.text = speech.text + "\n-----\n" + unicode(say)
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73 speech.text = text
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74 self._logger.debug('set dialogue text to "{0}"'.format(text))
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75
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76 def continueDialogue(self):
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77 """Display the dialogue text and responses for the current
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78 L{DialogueSection}."""
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79 dialogue_processor = self.dialogue_processor
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80 dialogue_text = dialogue_processor.getCurrentDialogueSection().text
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81 self.setDialogueText(dialogue_text)
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82 self.responses = dialogue_processor.continueDialogue()
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83 self.setResponses(self.responses)
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84
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85 def handleEntered(self, *args):
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86 """Callback for when user hovers over response label."""
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87 pass
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88
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89 def handleExited(self, *args):
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90 """Callback for when user hovers out of response label."""
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91 pass
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92
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93 def handleClicked(self, *args):
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94 """Handle a response being clicked."""
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95 response_n = int(args[0].name.replace('response', ''))
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96 response = self.responses[response_n]
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97 dialogue_processor = self.dialogue_processor
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98 dialogue_processor.reply(response)
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99 if (not dialogue_processor.in_dialogue):
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100 self.handleEnd()
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101 else:
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102 self.continueDialogue()
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103
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104 def handleEnd(self):
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105 """Handle the end of the conversation being reached, either from the
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106 GUI or from within the conversation itself."""
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107 self.dialogue_gui.hide()
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108 self.responses = []
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109 self.npc.behaviour.state = 1
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110 self.npc.behaviour.idle()
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111 self.active = False
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112
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113 def setNpcName(self, name):
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114 """Set the NPC name to display on the dialogue GUI.
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115 @param name: name of the NPC to set
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116 @type name: basestring"""
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117 name = unicode(name)
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118 stats_label = self.dialogue_gui.findChild(name='stats_label')
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119 try:
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120 (first_name, desc) = name.split(" ", 1)
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121 stats_label.text = u'Name: ' + first_name + "\n" + desc
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122 except ValueError:
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123 stats_label.text = u'Name: ' + name
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124
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125 self.dialogue_gui.title = name
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126 self._logger.debug('set NPC name to "{0}"'.format(name))
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127
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128 def setAvatarImage(self, image_path):
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129 """Set the NPC avatar image to display on the dialogue GUI
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130 @param image_path: filepath to the avatar image
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131 @type image_path: basestring"""
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132 avatar_image = self.dialogue_gui.findChild(name='npc_avatar')
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133 avatar_image.image = image_path
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134
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135 def setResponses(self, dialogue_responses):
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136 """Creates the list of clickable response labels and sets their
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137 respective on-click callbacks.
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138 @param responses: list of L{DialogueResponses} from the
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139 L{DialogueProcessor}
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140 @type responses: list of L{DialogueResponses}"""
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141 choices_list = self.dialogue_gui.findChild(name='choices_list')
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142 choices_list.removeAllChildren()
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143 for index, response in enumerate(dialogue_responses):
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144 button = widgets.Label(
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145 name="response{0}".format(index),
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146 text=unicode(response.text),
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147 hexpand="1",
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148 min_size=(100,16),
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149 max_size=(490,48),
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150 position_technique='center:center'
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151 )
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152 button.margins = (5, 5)
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153 button.background_color = fife.Color(0, 0, 0)
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154 button.color = fife.Color(0, 255, 0)
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155 button.border_size = 0
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156 button.wrap_text = 1
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157 button.capture(lambda button=button: self.handleEntered(button),
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158 event_name='mouseEntered')
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159 button.capture(lambda button=button: self.handleExited(button),
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160 event_name='mouseExited')
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161 button.capture(lambda button=button: self.handleClicked(button),
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162 event_name='mouseClicked')
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163 choices_list.addChild(button)
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164 self.dialogue_gui.adaptLayout(True)
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165 self._logger.debug(
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166 'added {0} to response choice list'.format(response)
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167 )