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cricket.py
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cricket.py
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import pdb
import math
import pygame
from pygame.locals import *
#import attackhandler
import weapons
import decoration
from drawable import Drawable
from spritesheet import SpriteSheet
from character import Character
from keyhandler import Keylistener
from entity import Entity
from animation import Animation
from timerhandler import Timer
class Cricket(Character, Keylistener):
def __init__(self):
Character.__init__(self)
Keylistener.__init__(self)
#TODO: These values are just for testing.
self.rect.x = 320
self.rect.y = 320
#
self.walk_speed = 256;
self.key_inputs = {'up': False,
'right': False,
'down': False,
'left': False,
'atk': False}
self.knife = weapons.Knife()
self.lock_face = False
self.swinging = False
self.holding = False
self.invulnerable = False
self.anim_timer = 0
self.hit_invuln_duration = 1024
self.invuln_flash_frequency = 32
self.take_damage_listeners = []
self.cricket_death_listeners = []
#What I eventually want: Load a sprite sheet, have a whole structure for getting sprites and picking frames and animation
#and all that jazz.
#Uhh, sprites. So. I have
#1. Different sprites for different states, such as walking, standing still, or swinging a sword.
#2. Different sprites that form the frames of an animation.
#Each frame, I'll return exactly 1 of these sprites. Which one, however, is a bit complicated.
def loadSprites(self):
spritesheet = SpriteSheet("Cricketbigsheet_reduced.bmp", border = 4)
self.sprites["not_walking"] = {}
self.sprites["not_walking"][Character.Direction.UP] = spritesheet.getSprite(0, 2)
self.sprites["not_walking"][Character.Direction.RIGHT] = spritesheet.getSprite(0, 1)
self.sprites["not_walking"][Character.Direction.DOWN] = spritesheet.getSprite(0, 0)
self.sprites["not_walking"][Character.Direction.LEFT] = spritesheet.getSprite(0, 3)
self.sprites["not_walking"]["holding"] = {}
self.sprites["not_walking"]["holding"][Character.Direction.UP] = spritesheet.getSprite(3, 4)
self.sprites["not_walking"]["holding"][Character.Direction.RIGHT] = spritesheet.getSprite(1, 4)
self.sprites["not_walking"]["holding"][Character.Direction.DOWN] = spritesheet.getSprite(0, 4)
self.sprites["not_walking"]["holding"][Character.Direction.LEFT] = spritesheet.getSprite(2, 4)
self.sprites["not_walking"]["swinging"] = {}
self.sprites["not_walking"]["swinging"][Character.Direction.UP] = spritesheet.getSprite(3, 5)
self.sprites["not_walking"]["swinging"][Character.Direction.RIGHT] = spritesheet.getSprite(1, 5)
self.sprites["not_walking"]["swinging"][Character.Direction.DOWN] = spritesheet.getSprite(0, 5)
self.sprites["not_walking"]["swinging"][Character.Direction.LEFT] = spritesheet.getSprite(2, 5)
self.sprites["walking"] = {}
self.sprites["walking"][Character.Direction.UP] = Animation([
(spritesheet.getSprite(0, 2), 128),
(spritesheet.getSprite(2, 2), 128),
(spritesheet.getSprite(0, 2), 128),
(spritesheet.getSprite(1, 2), 128)])
self.sprites["walking"][Character.Direction.RIGHT] = Animation([
(spritesheet.getSprite(0, 1), 128),
(spritesheet.getSprite(2, 1), 128),
(spritesheet.getSprite(0, 1), 128),
(spritesheet.getSprite(1, 1), 128)])
self.sprites["walking"][Character.Direction.DOWN] = Animation([
(spritesheet.getSprite(0, 0), 128),
(spritesheet.getSprite(2, 0), 128),
(spritesheet.getSprite(0, 0), 128),
(spritesheet.getSprite(1, 0), 128)])
self.sprites["walking"][Character.Direction.LEFT] = Animation([
(spritesheet.getSprite(0, 3), 128),
(spritesheet.getSprite(2, 3), 128),
(spritesheet.getSprite(0, 3), 128),
(spritesheet.getSprite(1, 3), 128)])
self.sprites["walking"]["holding"] = {}
self.sprites["walking"]["holding"][Character.Direction.UP] = Animation([(spritesheet.getSprite(4, 2), 128),
(spritesheet.getSprite(6, 2), 128),
(spritesheet.getSprite(4, 2), 128),
(spritesheet.getSprite(5, 2), 128)])
self.sprites["walking"]["holding"][Character.Direction.RIGHT] = Animation([(spritesheet.getSprite(4, 1), 128),
(spritesheet.getSprite(6, 1), 128),
(spritesheet.getSprite(4, 1), 128),
(spritesheet.getSprite(5, 1), 128)])
self.sprites["walking"]["holding"][Character.Direction.DOWN] = Animation([(spritesheet.getSprite(4, 0), 128),
(spritesheet.getSprite(6, 0), 128),
(spritesheet.getSprite(4, 0), 128),
(spritesheet.getSprite(5, 0), 128)])
self.sprites["walking"]["holding"][Character.Direction.LEFT] = Animation([(spritesheet.getSprite(4, 3), 128),
(spritesheet.getSprite(6, 3), 128),
(spritesheet.getSprite(4, 3), 128),
(spritesheet.getSprite(5, 3), 128)])
def update(self, dt):
if dt == 0:
return
if self.current_hitpoints <= 0:
return
#Set the walking state
self.setWalking(Character.Direction.UP, self.key_inputs['up'])
self.setWalking(Character.Direction.RIGHT, self.key_inputs['right'])
self.setWalking(Character.Direction.DOWN, self.key_inputs['down'])
self.setWalking(Character.Direction.LEFT, self.key_inputs['left'])
#Set the facing direction
if not self.lock_face:
if (not self.key_inputs['down']) and self.key_inputs['up']:
self.facing = Character.Direction.UP
if (not self.key_inputs['up']) and self.key_inputs['down']:
self.facing = Character.Direction.DOWN
if (not self.key_inputs['left']) and self.key_inputs['right']:
self.facing = Character.Direction.RIGHT
if (not self.key_inputs['right']) and self.key_inputs['left']:
self.facing = Character.Direction.LEFT
if self.key_inputs['atk']:
self.knife.attack(self, self.facing)
self.lock_face = True
else:
if self.knife.attacking:
self.knife.endAttack()
self.lock_face = False
#TODO: "holding" state determination code needs to be made better.
self.holding = self.key_inputs['atk']
self.swinging = self.knife.isSlashing()
Character.makeMove(self, dt)
def updateImage(self):
if self.isWalking():
if self.holding:
self.image = self.sprites["walking"]["holding"][self.facing].getCurrentFrame()
else:
self.image = self.sprites["walking"][self.facing].getCurrentFrame()
else:
if self.swinging:
self.image = self.sprites["not_walking"]["swinging"][self.facing]
elif self.holding:
self.image = self.sprites["not_walking"]["holding"][self.facing]
else:
self.image = self.sprites["not_walking"][self.facing]
self.knife.updateImage()
def handleKey(self, event):
Keylistener.handleKey(self, event)
if event.type == (KEYDOWN):
if event.key == K_UP:
self.key_inputs['up'] = True
elif event.key == K_RIGHT:
self.key_inputs['right'] = True
elif event.key == K_DOWN:
self.key_inputs['down'] = True
elif event.key == K_LEFT:
self.key_inputs['left'] = True
elif event.key == K_LSHIFT:
self.key_inputs['atk'] = True
if event.type == (KEYUP):
if event.key == K_UP:
self.key_inputs['up'] = False
elif event.key == K_RIGHT:
self.key_inputs['right'] = False
elif event.key == K_DOWN:
self.key_inputs['down'] = False
elif event.key == K_LEFT:
self.key_inputs['left'] = False
elif event.key == K_LSHIFT:
self.key_inputs['atk'] = False
def onHit(self, enemy, damage):
if not self.invulnerable and self.current_hitpoints > 0:
self.takeDamage(damage)
self.addKnockbackVector((enemy.rect.x, enemy.rect.y), 640) #TODO: Figure out better values
def takeDamage(self, damage_amount):
self.current_hitpoints -= damage_amount
print "Ouch! ", self.current_hitpoints
#Call listeners - I need to find something more elegant/flexible than observer pattern eventually,
#but for this project, I'm favoring quick-and-dirty. So I'll stick with it for now.
#Also, let's cut it out with the "handler" interfaces or whatever that was.
for listener in self.take_damage_listeners:
#TODO: Can my listeners be passed-in functions, instead of objects with this one weird method?
listener.onCricketTakesDamage(self.current_hitpoints, self.max_hitpoints)
if self.current_hitpoints > 0:
self.invulnerable = True
self.setVisible(False)
Timer(self.hit_invuln_duration, self.endInvuln)
Timer(self.invuln_flash_frequency, self.invulnFlashTimer)
else:
self.die()
def die(self):
#Play an animation
#Go to the Game Over screen (GUI listener)
#Maybe create a corpse object and immediately remove Cricket to avoid lingering effects?
deathsheet = SpriteSheet("Cricket_death_large.bmp", use_transparency=False)
death_animation = Animation([
(deathsheet.getSprite(0, 0), 128),
(deathsheet.getSprite(1, 0), 128),
(deathsheet.getSprite(2, 0), 128),
(deathsheet.getSprite(3, 0), 128),
], style="oneoff")
corpse = decoration.OneOff(layer="Character", animation=death_animation)
corpse.rect.x = self.rect.x
corpse.rect.y = self.rect.y
for listener in self.cricket_death_listeners:
listener.onCricketDeath()
self.setVisible(False)
#FIXME: Sometimes Cricket stays visible?
self.kill() #This just removes it from all sprite groups
def addTakeDamageListener(self, listener):
self.take_damage_listeners.append(listener)
def addCricketDeathListener(self, listener):
self.cricket_death_listeners.append(listener)
def endInvuln(self, timer):
self.invulnerable = False
def invulnFlashTimer(self, timer):
if self.invulnerable:
self.setVisible(not self.isVisible())
Timer(self.invuln_flash_frequency, self.invulnFlashTimer)
else:
self.setVisible(True)