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annotate gui/dialoguegui.py @ 80:d0b600d7136c

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Added pc_has and npc_has as functions to the dialogue engine. These replace calls to pc.has_item and ncp.has_item.
author KarstenBock@gmx.net
date Fri, 23 Sep 2011 14:11:49 +0200
parents 535801aec63e
children dd7655eee67d
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, met_fnc, meet_fnc, has_fnc, 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 self.met_fnc = met_fnc
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42 self.meet_fnc = meet_fnc
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43 self.pc_has_fnc = lambda slot_or_type:\
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44 has_fnc(player_character.container, slot_or_type)
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45 self.npc_has_fnc = lambda slot_or_type:\
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46 has_fnc(npc.container, slot_or_type)
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47
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48 def initiateDialogue(self):
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49 """Callback for starting a quest"""
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50 self.active = True
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51 stats_label = self.dialogue_gui.findChild(name='stats_label')
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52 stats_label.text = u'Name: John Doe\nAn unnamed one'
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53 events = {
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54 'end_button': self.handleEnd
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55 }
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56 self.dialogue_gui.mapEvents(events)
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57 self.dialogue_gui.show()
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58 self.setNpcName(self.npc.description.view_name)
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59 self.setAvatarImage(self.npc.dialogue.dialogue.avatar_path)
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61 game_state = {'npc': self.npc, 'pc': self.player_character,
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62 'quest': self.quest_engine,
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63 'met': self.met_fnc, 'meet': self.meet_fnc,
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64 'pc_has': self.pc_has_fnc, 'npc_has': self.npc_has_fnc,
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65 }
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66 try:
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67 self.dialogue_processor = DialogueProcessor(self.npc.dialogue.dialogue,
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68 game_state)
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69 self.dialogue_processor.initiateDialogue()
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70 except (TypeError) as error:
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71 self._logger.error(str(error))
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72 else:
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73 self.continueDialogue()
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74
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75 def setDialogueText(self, text):
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76 """Set the displayed dialogue text.
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77 @param text: text to display."""
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78 text = unicode(text)
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79 speech = self.dialogue_gui.findChild(name='speech')
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80 # to append text to npc speech box, uncomment the following line
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81 #speech.text = speech.text + "\n-----\n" + unicode(say)
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82 speech.text = text
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83 self._logger.debug('set dialogue text to "{0}"'.format(text))
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84
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85 def continueDialogue(self):
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86 """Display the dialogue text and responses for the current
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87 L{DialogueSection}."""
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88 dialogue_processor = self.dialogue_processor
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89 dialogue_text = dialogue_processor.getCurrentDialogueSection().text
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90 self.setDialogueText(dialogue_text)
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91 self.responses = dialogue_processor.continueDialogue()
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92 self.setResponses(self.responses)
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93
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94 def handleEntered(self, *args):
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95 """Callback for when user hovers over response label."""
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96 pass
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97
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98 def handleExited(self, *args):
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99 """Callback for when user hovers out of response label."""
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100 pass
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101
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102 def handleClicked(self, *args):
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103 """Handle a response being clicked."""
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104 response_n = int(args[0].name.replace('response', ''))
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105 response = self.responses[response_n]
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106 dialogue_processor = self.dialogue_processor
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107 dialogue_processor.reply(response)
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108 if (not dialogue_processor.in_dialogue):
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109 self.handleEnd()
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110 else:
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111 self.continueDialogue()
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112
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113 def handleEnd(self):
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114 """Handle the end of the conversation being reached, either from the
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115 GUI or from within the conversation itself."""
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116 self.dialogue_gui.hide()
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117 self.responses = []
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118 self.npc.fifeagent.behaviour.state = 1
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119 self.npc.fifeagent.behaviour.idle()
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120 self.active = False
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121
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122 def setNpcName(self, name):
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123 """Set the NPC name to display on the dialogue GUI.
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124 @param name: name of the NPC to set
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125 @type name: basestring"""
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126 name = unicode(name)
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127 stats_label = self.dialogue_gui.findChild(name='stats_label')
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128 try:
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129 (first_name, desc) = name.split(" ", 1)
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130 stats_label.text = u'Name: ' + first_name + "\n" + desc
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131 except ValueError:
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132 stats_label.text = u'Name: ' + name
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133
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134 self.dialogue_gui.title = name
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135 self._logger.debug('set NPC name to "{0}"'.format(name))
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136
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137 def setAvatarImage(self, image_path):
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138 """Set the NPC avatar image to display on the dialogue GUI
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139 @param image_path: filepath to the avatar image
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140 @type image_path: basestring"""
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141 avatar_image = self.dialogue_gui.findChild(name='npc_avatar')
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142 avatar_image.image = image_path
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143
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144 def setResponses(self, dialogue_responses):
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145 """Creates the list of clickable response labels and sets their
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146 respective on-click callbacks.
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147 @param responses: list of L{DialogueResponses} from the
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148 L{DialogueProcessor}
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149 @type responses: list of L{DialogueResponses}"""
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150 choices_list = self.dialogue_gui.findChild(name='choices_list')
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151 choices_list.removeAllChildren()
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152 for index, response in enumerate(dialogue_responses):
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153 button = widgets.Label(
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154 name="response{0}".format(index),
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155 text=unicode(response.text),
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156 hexpand="1",
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157 min_size=(100,16),
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158 max_size=(490,48),
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159 position_technique='center:center'
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160 )
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161 button.margins = (5, 5)
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162 button.background_color = fife.Color(0, 0, 0)
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163 button.color = fife.Color(0, 255, 0)
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164 button.border_size = 0
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165 button.wrap_text = 1
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166 button.capture(lambda button=button: self.handleEntered(button),
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167 event_name='mouseEntered')
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168 button.capture(lambda button=button: self.handleExited(button),
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169 event_name='mouseExited')
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170 button.capture(lambda button=button: self.handleClicked(button),
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171 event_name='mouseClicked')
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172 choices_list.addChild(button)
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173 self.dialogue_gui.adaptLayout(True)
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174 self._logger.debug(
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175 'added {0} to response choice list'.format(response)
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176 )