koperkapel/weapons.py

   1 """ Tools for dealing with weapons. """
   2
   3 from pgzero.loaders import images
   4 from .actors.animsurf import AnimatedSurfActor
   5 from .util import safepath
   6
   7
   8 class Weapon:
   9     def __init__(self, name, damage, image_name=None, bullet_range=0,
  10                  can_tape=True, frames=("_1",), sound=None):
  11         self.name = name
  12         self.image_name = image_name or name
  13         self.frames = frames
  14         self.damage = damage
  15         self.bullet_range = bullet_range
  16         self.can_tape = can_tape
  17         self.sound = sound
  18
  19
  20 WEAPONS = [
  21     Weapon("spit", damage=1, bullet_range=2, can_tape=False,
  22            image_name="blank", frames=("",), sound="fire_spit"),
  23     Weapon("butter_knife", damage=2),
  24     Weapon("crowbar", damage=4),
  25     Weapon("gun", damage=4, bullet_range=4, sound='gun_fire'),
  26 ]
  27
  28 WEAPON_LOOKUP = {w.name: w for w in WEAPONS}
  29
  30
  31 def weapon_by_name(weapon_name):
  32     return WEAPON_LOOKUP[weapon_name]
  33
  34
  35 class WeaponActor(AnimatedSurfActor):
  36     def __init__(self, weapon, **kw):
  37         super().__init__(**kw)
  38         self.weapon = weapon
  39
  40
  41 class WeaponFactory:
  42
  43     def assemble_frame(self, suffix, weapon, tape):
  44         surf = images.load(safepath("weapons/%s%s")
  45                            % (weapon.image_name, suffix))
  46         frame = surf.copy()
  47         if tape:
  48             tape_surf = images.load(safepath("weapons/tape"))
  49             frame.blit(tape_surf, (0, 0))
  50         return frame
  51
  52     def assemble(self, weapon_name, tape=False):
  53         weapon = weapon_by_name(weapon_name)
  54         tape = tape and weapon.can_tape
  55         frames = [
  56             self.assemble_frame(suffix, weapon, tape)
  57             for suffix in weapon.frames]
  58         return WeaponActor(weapon, frames=frames)
  59
  60
  61 default_weapons = WeaponFactory()