koperkapel/weapons.py

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