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comparison charactercreationcontroller.py @ 0:7a89ea5404b1

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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 06145a6ee387
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-1:000000000000 0:7a89ea5404b1
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 """Provides the controller that defines the behaviour of the character creation
16 screen."""
17
18 import characterstatistics as char_stats
19 from serializers import XmlSerializer
20 from controllerbase import ControllerBase
21 from gamescenecontroller import GameSceneController
22 from gamesceneview import GameSceneView
23 from parpg.inventory import Inventory
24
25 DEFAULT_STAT_VALUE = 50
26
27
28 def getStatCost(offset):
29 """Gets and returns the cost to increase stat based on the offset"""
30 if offset < 0:
31 offset *= -1
32 if offset < 22:
33 return 1
34 elif offset < 29:
35 return 2
36 elif offset < 32:
37 return 3
38 elif offset < 35:
39 return 4
40 elif offset < 36:
41 return 5
42 elif offset < 38:
43 return 6
44 elif offset < 39:
45 return 7
46 elif offset < 40:
47 return 8
48 elif offset < 41:
49 return 9
50 else:
51 return 10
52
53 #TODO: Should be replaced with the real character class once its possible
54 class SimpleCharacter(object):
55 """This is a simple class that is used to store the data during the
56 character creation"""
57
58 def __init__(self, name, gender, origin, age, picture, traits,
59 primary_stats, secondary_stats, inventory):
60 self.name = name
61 self.gender = gender
62 self.origin = origin
63 self.age = age
64 self.picture = picture
65 self.traits = traits
66 self.statistics = {}
67 for primary_stat in primary_stats:
68 short_name = primary_stat.short_name
69 self.statistics[short_name] = char_stats.PrimaryStatisticValue(
70 primary_stat,
71 self,
72 DEFAULT_STAT_VALUE)
73 long_name = primary_stat.long_name
74 self.statistics[long_name] = char_stats.PrimaryStatisticValue(
75 primary_stat,
76 self,
77 DEFAULT_STAT_VALUE)
78 for secondary_stat in secondary_stats:
79 name = secondary_stat.name
80 self.statistics[name] = char_stats.SecondaryStatisticValue(
81 secondary_stat,
82 self)
83 self.inventory = inventory
84
85 class CharacterCreationController(ControllerBase):
86 """Controller defining the behaviour of the character creation screen."""
87
88 #TODO: Change to actual values
89 MAX_TRAITS = 3
90 MIN_AGE = 16
91 MAX_AGE = 40
92 ORIGINS = {"None": None,}
93 GENDERS = ["Male", "Female",]
94 PICTURES = {"Male": ["None",], "Female": ["None",],}
95 TRAITS = {}
96 def __init__(self, engine, view, model, application):
97 """Construct a new L{CharacterCreationController} instance.
98 @param engine: Rendering engine used to display the associated view.
99 @type engine: L{fife.Engine}
100 @param view: View used to display the character creation screen.
101 @type view: L{ViewBase}
102 @param model: Model of the game state.
103 @type model: L{GameModel}
104 @param application: Application used to glue the various MVC
105 components together.
106 @type application:
107 L{fife.extensions.basicapplication.ApplicationBase}"""
108 ControllerBase.__init__(self, engine, view, model, application)
109 self.view.start_new_game_callback = self.startNewGame
110 self.view.cancel_new_game_callback = self.cancelNewGame
111 self.view.show()
112 #TODO: Maybe this should not be hardcoded
113 stream = file("character_scripts/primary_stats.xml")
114 prim_stats = XmlSerializer.deserialize(stream)
115 stream = file("character_scripts/secondary_stats.xml")
116 sec_stats = XmlSerializer.deserialize(stream)
117 self.char_data = SimpleCharacter("",
118 self.GENDERS[0],
119 self.ORIGINS.keys()[0],
120 20,
121 self.PICTURES[self.GENDERS[0]][0],
122 [],
123 prim_stats,
124 sec_stats,
125 Inventory())
126 self._stat_points = 200
127
128
129 def startNewGame(self):
130 """Create the new character and start a new game.
131 @return: None"""
132 view = GameSceneView(self.engine, self.model)
133 controller = GameSceneController(self.engine, view, self.model,
134 self.application)
135 self.application.view = view
136 self.application.switchController(controller)
137 start_map = self.model.settings.parpg.Map
138 self.model.changeMap(start_map)
139
140 def cancelNewGame(self):
141 """Exit the character creation view and return the to main menu.
142 @return: None"""
143 # KLUDGE Technomage 2010-12-24: This is to prevent a circular import
144 # but a better fix needs to be thought up.
145 from mainmenucontroller import MainMenuController
146 from mainmenuview import MainMenuView
147 view = MainMenuView(self.engine, self.model)
148 controller = MainMenuController(self.engine, view, self.model,
149 self.application)
150 self.application.view = view
151 self.application.switchController(controller)
152
153 def onStop(self):
154 """Called when the controller is removed from the list.
155 @return: None"""
156 self.view.hide()
157
158 @property
159 def name(self):
160 """Returns the name of the character.
161 @return: Name of the character"""
162 return self.char_data.name
163
164 @property
165 def age(self):
166 """Returns the age of the character.
167 @return: Age of the character"""
168 return self.char_data.age
169
170 @property
171 def gender(self):
172 """Returns the gender of the character.
173 @return: Gender of the character"""
174 return self.char_data.gender
175
176 @property
177 def origin(self):
178 """Returns the origin of the character.
179 @return: Origin of the character"""
180 return self.char_data.origin
181
182 @property
183 def picture(self):
184 """Returns the ID of the current picture of the character."""
185 return self.char_data.picture
186
187 def getStatPoints(self):
188 """Returns the remaining statistic points that can be distributed"""
189 return self._stat_points
190
191 def increaseStatistic(self, statistic):
192 """Increases the given statistic by one.
193 @param statistic: Name of the statistic to increase
194 @type statistic: string"""
195 if self.canIncreaseStatistic(statistic):
196 cost = self.getStatisticIncreaseCost(statistic)
197 if cost <= self._stat_points:
198 self.char_data.statistics[statistic].value += 1
199 self._stat_points -= cost
200
201 def getStatisticIncreaseCost(self, statistic):
202 """Calculate and return the cost to increase the statistic
203 @param statistic: Name of the statistic to increase
204 @type statistic: string
205 @return cost to increase the statistic"""
206 cur_value = self.char_data.statistics[statistic].value
207 new_value = cur_value + 1
208 offset = new_value - DEFAULT_STAT_VALUE
209 return getStatCost(offset)
210
211 def canIncreaseStatistic(self, statistic):
212 """Checks whether the given statistic can be increased or not.
213 @param statistic: Name of the statistic to check
214 @type statistic: string
215 @return: True if the statistic can be increased, False if not."""
216 stat = self.char_data.statistics[statistic].value
217 return stat < stat.statistic_type.maximum
218
219 def decreaseStatistic(self, statistic):
220 """Decreases the given statistic by one.
221 @param statistic: Name of the statistic to decrease
222 @type statistic: string"""
223 if self.canDecreaseStatistic(statistic):
224 gain = self.getStatisticDecreaseGain(statistic)
225 self.char_data.statistics[statistic].value -= 1
226 self._stat_points += gain
227
228 def getStatisticDecreaseGain(self, statistic):
229 """Calculate and return the gain of decreasing the statistic
230 @param statistic: Name of the statistic to decrease
231 @type statistic: string
232 @return cost to decrease the statistic"""
233 cur_value = self.char_data.statistics[statistic].value
234 new_value = cur_value - 1
235 offset = new_value - DEFAULT_STAT_VALUE
236 return getStatCost(offset)
237
238 def canDecreaseStatistic(self, statistic):
239 """Checks whether the given statistic can be decreased or not.
240 @param statistic: Name of the statistic to check
241 @type statistic: string
242 @return: True if the statistic can be decreased, False if not."""
243 stat = self.char_data.statistics[statistic].value
244 return stat > stat.statistic_type.minimum
245
246 def getStatisticValue(self, statistic):
247 """Returns the value of the given statistic.
248 @param statistic: Name of the primary or secondary statistic
249 @type statistic: string
250 @return: Value of the given statistic"""
251 return self.char_data.statistics[statistic]
252
253 def areAllStatisticsValid(self):
254 """Checks if all statistics are inside the minimum/maximum values
255 @return True if all statistics are valid False if not"""
256 for stat in self.char_data.statistics.items():
257 if not (stat.value > stat.statistic_type.minumum and\
258 stat.value < stat.statistic_type.maximum):
259 return False
260 return True
261
262 def setName(self, name):
263 """Sets the name of the character to the given value.
264 @param name: New name
265 @type name: string"""
266 self.char_data.name = name
267
268 def isNameValid(self, name):
269 """Checks whether the name is valid.
270 @param name: Name to check
271 @type name: string
272 @return: True if the name is valid, False if not"""
273 if name:
274 return True
275 return False
276
277 def changeOrigin(self, origin):
278 """Changes the origin of the character to the given value.
279 @param origin: New origin
280 @type origin: string"""
281 if self.isOriginValid(origin):
282 self.char_data.origin = origin
283 #TODO: Make changes according to origin
284
285 def isOriginValid(self, origin):
286 """Checks whether the origin is valid.
287 @param origin: Origin to check
288 @type origin: string
289 @return: True if the origin is valid, False if not"""
290 return origin in self.ORIGINS
291
292 def changeGender(self, gender):
293 """Changes the gender of the character to the given value.
294 @param gender: New gender
295 @param gender: string"""
296 if self.isGenderValid(gender):
297 self.char_data.gender = gender
298
299 def isGenderValid(self, gender):
300 """Checks whether the gender is valid.
301 @param gender: Gender to check
302 @type gender: string?
303 @return: True if the origin is valid, False if not"""
304 return gender in self.GENDERS
305
306 def changeAge(self, age):
307 """Sets the age of the character to the given value.
308 @param age: New age
309 @type age: integer
310 """
311 if self.isAgeValid(age):
312 self.char_data.age = age
313
314 def isAgeValid(self, age):
315 """Checks whether the age is valid.
316 @param age: Age to check
317 @type age: integer
318 @return: True if the origin is valid, False if not"""
319 return age >= self.MIN_AGE and age <= self.MAX_AGE
320
321 def setPicture(self, picture):
322 """Set picture of the character.
323 @param picture: ID of the new picture
324 @type picture: string"""
325 if self.isPictureValid(picture):
326 self.char_data.picture = picture
327
328 def isPictureValid(self, picture):
329 """Checks whether the picture is valid.
330 @param picture: ID of the picture to check
331 @type picture: string
332 @return: True if the picture is valid, False if not"""
333 return picture in self.PICTURES[self.gender]
334
335 def addTrait(self, trait):
336 """Adds a trait to the character.
337 @param trait: ID of the trait to add
338 @type trait: string"""
339 if self.canAddAnotherTrait() and self.isTraitValid(trait)\
340 and not self.hasTrait(trait):
341 self.char_data.traits.append(trait)
342
343 def canAddAnotherTrait(self):
344 """Checks whether another trait can be added.
345 @return: True if another trait can be added, False if not"""
346 return len(self.char_data.traits) < self.MAX_TRAITS
347
348 def removeTrait(self, trait):
349 """Remove trait from character.
350 @param trait: ID of the trait to remove
351 @type trait: string"""
352 if self.hasTrait(trait):
353 self.char_data.traits.remove(trait)
354
355 def hasTrait(self, trait):
356 """Checks whether the character has the trait.
357 @param trait: ID of the trait to check
358 @type trait: string
359 @return: True if the character has the trait, False if not"""
360 return trait in self.char_data.traits
361
362 def isTraitValid(self, trait):
363 """Checks whether the trait is valid.
364 @param trait: ID of the trait to check
365 @type trait: string
366 @return: True if the trait is valid, False if not"""
367 return trait in self.TRAITS
368
369 def areCurrentTraitsValid(self):
370 """Checks whether the characters traits are valid.
371 @return: True if the traits are valid, False if not"""
372 if len(self.char_data.traits) > self.MAX_TRAITS:
373 return False
374 for trait in self.char_data.traits:
375 if not self.isTraitValid(trait):
376 return False
377 return True
378
379 def isCharacterValid(self):
380 """Checks whether the character as a whole is valid.
381 @return: True if the character is valid, False if not"""
382 #Single checks can be disabled by putting a "#" in front of them
383 if True\
384 and self._stat_points >= 0\
385 and self.areAllStatisticsValid() \
386 and self.areCurrentTraitsValid() \
387 and self.isNameValid(self.name)\
388 and self.isPictureValid(self.picture)\
389 and self.isAgeValid(self.age)\
390 and self.isGenderValid(self.gender)\
391 and self.isOriginValid(self.origin)\
392 :
393 return True
394 return False