Mercurial > parpg-source

annotate components/equip.py @ 120:adbcdb900fa9

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Modified InventoryGrid to set a name for each slot containing the index. Added getSlot method to InventoryGrid. Renamed InventoryGUI class to CharacterGUI. Added InventoryGUI class which handles the inventory part of the CharacterGUI. An InventoryGUI instance is now created in CharacterGUI.
author KarstenBock@gmx.net
date Wed, 05 Oct 2011 12:59:22 +0200
parents f2ef124128db
children fa5c769468f0
rev   line source
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e856b604b650 Changed "import bGrease" to "import parpg.bGrease".
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1 # This program is free software: you can redistribute it and/or modify
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2 # it under the terms of the GNU General Public License as published by
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3 # the Free Software Foundation, either version 3 of the License, or
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4 # (at your option) any later version.
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5 #
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6 # This program is distributed in the hope that it will be useful,
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7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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9 # GNU General Public License for more details.
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10 #
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11 # You should have received a copy of the GNU General Public License
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12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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13
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14 from base import Base
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15
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16 class Equip(Base):
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17 """
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18 Component that stores the equipment (what is being worn/wielded).
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19 """
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20
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21 def __init__(self):
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22 Base.__init__(self, head=object, neck=object, body=object, belt=object,
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23 leg=object, feet=object, l_arm=object, r_arm=object)
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24
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5ab004fa4a2e Added saveable_fields to Equip.
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25 @property
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26 def saveable_fields(self):
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27 return []
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28
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29 class SlotInvalidError(Exception):
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30 """Error that gets raised when the slot is invalid."""
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31
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32 def __init__(self, slot):
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33 self.slot = slot
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34
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35 def __str__(self):
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36 return "\"%s\" is not a valid slot." % self.slot
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37
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38 class AlreadyEquippedError(Exception):
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39 """Error that gets raised when the equipable already has a wearer"""
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40
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41 def __str__(self):
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42 return "The equipable is already weared."
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43
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44 class CannotBeEquippedInSlot(Exception):
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45 """Error that gets raised when the equipable can't be equiped in that
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46 slot"""
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47
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48 def __init__(self, slot, equipable):
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49 self.slot = slot
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50 self.equipable = equipable
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51
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52 def __str__(self):
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53 return ("%s is not in the equipables slots. (%s)" %
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54 (self.slot, ', '.join(self.equipable.possible_slots))
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55 )
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57
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58 def equip(wearer, equipable, slot):
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59 """Equip the wearer with the given equipable.
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60 @returns The equipable that was at the given slot, or None"""
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61 if equipable.wearer:
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62 raise AlreadyEquippedError
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63 if slot in equipable.possible_slots:
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64 try:
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9e03f7816061 (Re)added setting of inventory and equipment in the object files.
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65 old_item = getattr(wearer, slot) if hasattr(wearer, slot) else None
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66 setattr(wearer, slot, equipable)
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67 equipable.in_slot = slot
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68 equipable.wearer = wearer
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69 if old_item:
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70 old_item.in_slot = None
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71 old_item.wearer = None
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72 return old_item
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73 except AttributeError:
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74 raise SlotInvalidError(slot)
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75 raise CannotBeEquippedInSlot(slot, equipable)
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76
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77 def get_equipable(wearer, slot):
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78 """Return the equipable in the given slot"""
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79 try:
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80 item = getattr(wearer, slot)
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81 return item
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82 except AttributeError:
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83 raise SlotInvalidError(slot)
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84
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85 def take_equipable(wearer, slot):
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86 """Remove equipable from the given slot and return it"""
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87 item = get_equipable(wearer, slot)
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88 setattr(wearer, slot, None)
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89 if item:
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90 item.in_slot = None
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91 item.wearer = None
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92 return item
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93
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94