a-robots-conundrum/robotgame/player.py

# 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/>.
#
# ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' ' '
#
#                          player.py
#                     --------------------
#       date created : Tue Aug 7 2012
#          copyright : (C) 2012 Sakse Dalum
#      maintained by : Sakse Dalum <don_s@hongabar.org>

"""
The player.
"""

import pygame
import re
import os

import worldobject

class Player(worldobject.WorldObject):
    def __init__(self, level, x, y, z=1, movable=True):
        self.__dict__.update(locals())
        worldobject.WorldObject.__init__(self, level, x, y,
                                         z=z, movable=movable)

        self.anim_root = 'idle'
        self.anim = 'right'
        self.frame = 0
        self.anim_speed = 15

        self.load()

    def load(self):
        self.imgs = {}

        for anim, directory in (
            [('idle_up', os.path.join('robot_idle', 'up')),
             ('idle_down', os.path.join('robot_idle', 'down')),
             ('idle_right', os.path.join('robot_idle', 'right')),
             ('idle_left', os.path.join('robot_idle', 'right')),
             ('carry_up', os.path.join('robot_carry', 'up')),
             ('carry_down', os.path.join('robot_carry', 'down')),
             ('carry_right', os.path.join('robot_carry', 'right')),
             ('carry_left', os.path.join('robot_carry', 'right'))]
            ):

            self.imgs[anim] = []

            # Find all image files for the given animation
            anim_files = []
            for root, dirs, files in os.walk(os.path.join(
                    self.level.graphics_dir, directory)):
                for f in files:
                    if re.match(r"^.*\.(png)$", '/'.join([root, f])):
                        anim_files.append('/'.join([root, f]))

            # Sort and load the files
            for f in sorted(anim_files):
                img = pygame.image.load(f)

                # Special treatment:
                if anim in ['idle_left', 'carry_left']:
                    img = pygame.transform.flip(img, 1, 0)

                self.imgs[anim].append(img)

        self.img = self.imgs[self.anim_root + '_' + self.anim][int(self.frame)]

    def touch(self, touch_x, touch_y):
        for obj in self.level.objects:
            if (obj.x == self.x + touch_x * self.tile_x
                and obj.y == self.y + touch_y * self.tile_y
                and obj != self):
                obj.use(self)

    def update(self, e, t, dt):
        for event in e:
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_SPACE:
                    self.touch(*self.direction)

        keys = pygame.key.get_pressed()
        if keys[pygame.K_UP]:
            if not self.holding and not self.is_moving:
                self.direction = (0, -1)
                self.anim = 'up'
            self.move(0, -1)
        elif keys[pygame.K_DOWN]:
            if not self.holding and not self.is_moving:
                self.direction = (0, 1)
                self.anim = 'down'
            self.move(0, 1)
        elif keys[pygame.K_RIGHT]:
            if not self.holding and not self.is_moving:
                self.direction = (1, 0)
                self.anim = 'right'
            self.move(1, 0)
        elif keys[pygame.K_LEFT]:
            if not self.holding and not self.is_moving:
                self.direction = (-1, 0)
                self.anim = 'left'
            self.move(-1, 0)

        # Update the animation
        self.frame = ((self.frame + self.anim_speed * dt) %
                      len(self.imgs[self.anim_root + '_' + self.anim]))

        worldobject.WorldObject.update(self, e, t, dt)

    def draw(self, window):
        self.anim_root = 'carry' if self.holding else 'idle'

        self.img = self.imgs[self.anim_root + '_' + self.anim][int(self.frame)]
        self.img.set_alpha(128)
        window.blit(self.img, (self.x - 32 - self.level.camera_x,
                               self.y - self.img.get_size()[1] + 24
                               - self.level.camera_y))