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annotate gui/dialoguegui.py @ 183:7b6aba7839ea

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getGameEnvironment of GameState now returns a locals dictionary that is empty at the beginning of the game and will be saved in save games. The vals and funcs are now both in the globals dictionary. This WILL break old saves.
author Beliar <KarstenBock@gmx.net>
date Thu, 15 Mar 2012 16:24:05 +0100
parents dd7655eee67d
children
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,
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31 has_fnc, player_character):
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32 self.active = False
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33 self.controller = controller
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34 xml_file = vfs.VFS.open('gui/dialogue.xml')
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35 self.dialogue_gui = pychan.loadXML(xml_file)
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36 self.npc = npc
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37 # TODO Technomage 2010-11-10: the QuestEngine should probably be
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38 # a singleton-like object, which would avoid all of this instance
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39 # handling.
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40 self.quest_engine = quest_engine
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41 self.player_character = player_character
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42 self.met_fnc = met_fnc
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43 self.meet_fnc = meet_fnc
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44 self.pc_has_fnc = lambda slot_or_type:\
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45 has_fnc(player_character.container, slot_or_type)
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46 self.npc_has_fnc = lambda slot_or_type:\
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47 has_fnc(npc.container, slot_or_type)
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48
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49 def initiateDialogue(self):
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50 """Callback for starting a quest"""
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51 self.active = True
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52 stats_label = self.dialogue_gui.findChild(name='stats_label')
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53 stats_label.text = u'Name: John Doe\nAn unnamed one'
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54 events = {
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55 'end_button': self.handleEnd
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56 }
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57 self.dialogue_gui.mapEvents(events)
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58 self.dialogue_gui.show()
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59 self.setNpcName(self.npc.description.view_name)
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60 self.setAvatarImage(self.npc.dialogue.dialogue.avatar_path)
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61
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62 game_state = {'npc': self.npc, 'pc': self.player_character,
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63 'quest': self.quest_engine,
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64 'met': self.met_fnc, 'meet': self.meet_fnc,
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65 'pc_has': self.pc_has_fnc, 'npc_has': self.npc_has_fnc,
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66 'model': self.controller.model,
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67 }
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68 try:
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69 self.dialogue_processor = DialogueProcessor(self.npc.dialogue.dialogue,
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70 game_state)
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71 self.dialogue_processor.initiateDialogue()
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72 except (TypeError) as error:
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73 self._logger.error(str(error))
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74 else:
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75 self.continueDialogue()
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76
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77 def setDialogueText(self, text):
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78 """Set the displayed dialogue text.
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79 @param text: text to display."""
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80 text = unicode(text)
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81 speech = self.dialogue_gui.findChild(name='speech')
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82 # to append text to npc speech box, uncomment the following line
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83 #speech.text = speech.text + "\n-----\n" + unicode(say)
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84 speech.text = text
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85 self._logger.debug('set dialogue text to "{0}"'.format(text))
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86
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87 def continueDialogue(self):
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88 """Display the dialogue text and responses for the current
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89 L{DialogueSection}."""
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90 dialogue_processor = self.dialogue_processor
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91 dialogue_text = dialogue_processor.getCurrentDialogueSection().text
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92 self.setDialogueText(dialogue_text)
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93 self.responses = dialogue_processor.continueDialogue()
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94 self.setResponses(self.responses)
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95
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96 def handleEntered(self, *args):
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97 """Callback for when user hovers over response label."""
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98 pass
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99
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100 def handleExited(self, *args):
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101 """Callback for when user hovers out of response label."""
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102 pass
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103
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104 def handleClicked(self, *args):
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105 """Handle a response being clicked."""
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106 response_n = int(args[0].name.replace('response', ''))
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107 response = self.responses[response_n]
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108 dialogue_processor = self.dialogue_processor
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109 dialogue_processor.reply(response)
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110 if (not dialogue_processor.in_dialogue):
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111 self.handleEnd()
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112 else:
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113 self.continueDialogue()
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114
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115 def handleEnd(self):
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116 """Handle the end of the conversation being reached, either from the
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117 GUI or from within the conversation itself."""
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118 self.dialogue_gui.hide()
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119 self.responses = []
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120 self.npc.fifeagent.behaviour.state = 1
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121 self.npc.fifeagent.behaviour.idle()
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122 self.active = False
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123
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124 def setNpcName(self, name):
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125 """Set the NPC name to display on the dialogue GUI.
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126 @param name: name of the NPC to set
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127 @type name: basestring"""
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128 name = unicode(name)
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129 stats_label = self.dialogue_gui.findChild(name='stats_label')
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130 try:
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131 (first_name, desc) = name.split(" ", 1)
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132 stats_label.text = u'Name: ' + first_name + "\n" + desc
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133 except ValueError:
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134 stats_label.text = u'Name: ' + name
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135
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136 self.dialogue_gui.title = name
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137 self._logger.debug('set NPC name to "{0}"'.format(name))
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138
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139 def setAvatarImage(self, image_path):
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140 """Set the NPC avatar image to display on the dialogue GUI
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141 @param image_path: filepath to the avatar image
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142 @type image_path: basestring"""
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143 avatar_image = self.dialogue_gui.findChild(name='npc_avatar')
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144 avatar_image.image = image_path
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145
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146 def setResponses(self, dialogue_responses):
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147 """Creates the list of clickable response labels and sets their
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148 respective on-click callbacks.
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149 @param responses: list of L{DialogueResponses} from the
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150 L{DialogueProcessor}
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151 @type responses: list of L{DialogueResponses}"""
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152 choices_list = self.dialogue_gui.findChild(name='choices_list')
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153 choices_list.removeAllChildren()
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154 for index, response in enumerate(dialogue_responses):
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155 button = widgets.Label(
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156 name="response{0}".format(index),
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157 text=unicode(response.text),
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158 hexpand="1",
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159 min_size=(100,16),
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160 max_size=(490,48),
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161 position_technique='center:center'
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162 )
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163 button.margins = (5, 5)
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164 button.background_color = fife.Color(0, 0, 0)
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165 button.color = fife.Color(0, 255, 0)
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166 button.border_size = 0
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167 button.wrap_text = 1
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168 button.capture(lambda button=button: self.handleEntered(button),
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169 event_name='mouseEntered')
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170 button.capture(lambda button=button: self.handleExited(button),
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171 event_name='mouseExited')
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172 button.capture(lambda button=button: self.handleClicked(button),
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173 event_name='mouseClicked')
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174 choices_list.addChild(button)
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175 self.dialogue_gui.adaptLayout(True)
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176 self._logger.debug(
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177 'added {0} to response choice list'.format(response)
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178 )