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",)):
  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
  18
  19 WEAPONS = [
  20     Weapon("spit", damage=1, bullet_range=2, can_tape=False,
  21            image_name="blank", frames=("",)),
  22     Weapon("butter_knife", damage=2),
  23     Weapon("crowbar", damage=4),
  24     Weapon("gun", damage=4, bullet_range=4),
  25 ]
  26
  27 WEAPON_LOOKUP = {w.name: w for w in WEAPONS}
  28
  29
  30 class WeaponActor(AnimatedSurfActor):
  31     def __init__(self, weapon, **kw):
  32         super().__init__(**kw)
  33         self.weapon = weapon
  34
  35
  36 class WeaponFactory:
  37
  38     def assemble_frame(self, suffix, weapon, tape):
  39         surf = images.load(safepath("weapons/%s%s")
  40                             % (weapon.image_name, suffix))
  41         frame = surf.copy()
  42         if tape:
  43             tape_surf = images.load(safepath("weapons/tape"))
  44             frame.blit(tape_surf, (0, 0))
  45         return frame
  46
  47     def assemble(self, weapon_name, tape=False):
  48         weapon = WEAPON_LOOKUP[weapon_name]
  49         tape = tape and weapon.can_tape
  50         frames = [
  51             self.assemble_frame(suffix, weapon, tape)
  52             for suffix in weapon.frames]
  53         return WeaponActor(weapon, frames=frames)
  54
  55
  56 default_weapons = WeaponFactory()