a-robots-conundrum/robotgame/lever.py

95 lines
3.3 KiB
Python

# This file is part of ROBOTGAME
#
# ROBOTGAME is free software: you can redistribute it and/or modify it under the
# terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# ROBOTGAME is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with
# ROBOTGAME. If not, see <http://www.gnu.org/licenses/>.
#
# ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
#
# lever.py
# --------------------
# date created : Wed Aug 8 2012
# copyright : (C) 2012 Sakse Dalum
# maintained by : Sakse Dalum <don_s@hongabar.org>
"""
A generic lever.
"""
import pygame
import worldobject
class Lever(worldobject.WorldObject):
def __init__(self, level, x, y, links,
anim='lever_leftright', toggling=False, signal=[0, 1],
setting=False):
self.__dict__.update(locals())
worldobject.WorldObject.__init__(self, level, x, y)
self.init_setting = setting
self.at_rest = True
self.send_signal = False
self.frame = 0
self.anim_speed = 15
def set_init_pos(self):
worldobject.WorldObject.set_init_pos(self)
self.init_setting = self.setting
def reset_pos(self):
worldobject.WorldObject.reset_pos(self)
self.setting = self.init_setting
def use(self, obj):
self.setting = not self.setting
self.at_rest = False
self.send_signal = True
def update(self, e, t, dt):
# Update the animation
if not self.setting:
self.frame = min(self.frame + self.anim_speed * dt,
len(self.level.imgs[self.anim]) - 1)
else:
self.frame = max(self.frame - self.anim_speed * dt,
0)
if not self.toggling:
if (self.frame - self.anim_speed * dt <= 0):
self.setting = 0
self.at_rest = self.frame == len(self.level.imgs[self.anim]) - 1
else:
self.at_rest = self.frame in [len(self.level.imgs[self.anim]) - 1,
0]
if (((self.frame <= int(len(self.level.imgs[self.anim]) / 3)
and not self.toggling)
or (self.frame <= int(len(self.level.imgs[self.anim]) / 3)
and self.setting and self.toggling)
or (self.frame >= int(2 * len(self.level.imgs[self.anim]) / 3)
and not self.setting and self.toggling))
and self.send_signal):
for link in self.links:
link(self.signal[self.setting])
self.send_signal = False
worldobject.WorldObject.update(self, e, t, dt)
def draw(self, window):
self.img = self.level.imgs[self.anim][int(self.frame)]
window.blit(self.img, (self.x - 32 - self.level.camera_x,
self.y - self.img.get_size()[1] + 24
- self.level.camera_y))