Mercurial > rinkhals

annotate gamelib/equipment.py @ 173:b2eed9977e35

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Remove some completed TODO items.
author Simon Cross <hodgestar@gmail.com>
date Thu, 03 Sep 2009 23:05:36 +0000
parents 1d4d2202ef9f
children ff168162974e
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1 """Stuff for animals to use."""
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2
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3 import random
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4 import sound
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5
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6 class Equipment(object):
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7 IS_EQUIPMENT = True
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8 DRAW_LAYER = 0
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9
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10 def __init__(self):
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11 self._buy_price = self.BUY_PRICE
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12 self._sell_price = self.SELL_PRICE
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13 self._name = self.NAME
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14
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15 def buy_price(self):
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16 return self._buy_price
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17
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18 def sell_price(self):
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19 return self._sell_price
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20
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21 def name(self):
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22 return self._name
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23
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24 class Weapon(Equipment):
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25 IS_WEAPON = True
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26 DRAW_LAYER = 10
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27
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28 def in_range(self, gameboard, wielder, target):
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29 """Can the lucky wielder hit the potentially unlucky target with this?"""
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30 return wielder.pos.dist(target.pos) <= self.RANGE
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31
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32 def hit(self, gameboard, wielder, target):
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33 """Is the potentially unlucky target actually unlucky?"""
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34 if hasattr(self, 'HIT_SOUND'):
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35 sound.play_sound(self.HIT_SOUND)
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36 roll = random.randint(1, 100)
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37 return roll > (100-self.BASE_HIT) + self.RANGE_MODIFIER*wielder.pos.dist(target.pos)
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38
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39 def place(self, animal):
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40 for eq in animal.equipment:
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41 if is_weapon(eq):
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42 return False
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43 return True
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44
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45 class Rifle(Weapon):
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46 NAME = "rifle"
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47 BUY_PRICE = 100
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48 SELL_PRICE = 75
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49
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50 RANGE = 3
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51 BASE_HIT = 55
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52 RANGE_MODIFIER = 15
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53 HIT_SOUND = "fire-rifle.ogg"
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54
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55 CHICKEN_IMAGE_FILE = 'sprites/equip_rifle.png'
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56
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57 class Knife(Weapon):
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58 NAME = "knife"
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59 BUY_PRICE = 25
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60 SELL_PRICE = 15
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61
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62 RANGE = 1
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63 BASE_HIT = 70
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64 RANGE_MODIFIER = 0
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65
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66 CHICKEN_IMAGE_FILE = 'sprites/equip_knife.png'
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67
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68 class Armour(Equipment):
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69 DRAW_LAYER = 5
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70
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71 def place(self, animal):
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72 """Give additional lives"""
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73 for eq in animal.equipment:
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74 if eq.NAME == self.NAME:
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75 return False
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76 animal.lives += self.PROTECTION
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77 return True
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78
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79 class Helmet(Armour):
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80 NAME = "helmet"
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81 BUY_PRICE = 25
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82 SELL_PRICE = 15
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83
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84 PROTECTION = 1
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85
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86 CHICKEN_IMAGE_FILE = 'sprites/helmet.png'
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87
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88 class Kevlar(Armour):
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89 NAME = "kevlar"
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90 BUY_PRICE = 100
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91 SELL_PRICE = 75
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92
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93 PROTECTION = 2
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94
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95 CHICKEN_IMAGE_FILE = 'sprites/kevlar.png'
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96
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97 def is_equipment(obj):
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98 """Return true if obj is a build class."""
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99 return getattr(obj, "IS_EQUIPMENT", False) and hasattr(obj, "NAME")
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100
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101 def is_weapon(obj):
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102 return is_equipment(obj) and getattr(obj, 'IS_WEAPON', False)
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103
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104 EQUIPMENT = []
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105 for name in dir():
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106 obj = eval(name)
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107 try:
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108 if is_equipment(obj):
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109 EQUIPMENT.append(obj)
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110 except TypeError:
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111 pass