-import sys
-import os
-import kivy
-import pygame
-
-kivy.require('1.6.0')
+from erdslangetjie.constants import TILE_SIZE, LEFT, RIGHT, UP, DOWN
from kivy.app import App
-from kivy.core.window import Window
from kivy.uix.widget import Widget
-from kivy.uix.floatlayout import FloatLayout
+from kivy.uix.relativelayout import RelativeLayout
+from kivy.uix.scrollview import ScrollView
+from kivy.uix.label import Label
from kivy.graphics import Color, Rectangle
+from kivy.utils import platform
+from kivy.clock import Clock
+from kivy.config import Config
-from erdslangetjie.data import filepath, load
-from erdslangetjie.level import Level
+from erdslangetjie.level import LevelList
+from erdslangetjie.data import load_image
from erdslangetjie.player import ThePlayer, Nemesis
-TILE_SIZE = 24
+if platform() != 'android':
+ Config.set('graphics', 'width', '1026')
+ Config.set('graphics', 'height', '760')
-class GameWindow(FloatLayout):
- def __init__(self, level):
- super(GameWindow, self).__init__(size=(960, 960))
- if os.path.exists(filepath(level)):
- level_data = load(level)
- self.level = level
- elif os.path.exists(filepath('levels/' + level)):
- level_data = load('levels/' + level)
- self.level = 'levels/' + level
- else:
- print 'Unable to find %s - treating this as a new level' % level
- sys.exit(1)
- self.level_obj = Level()
- self.level_obj.load(level_data)
- level_data.close()
+class GameWindow(RelativeLayout):
+
+ def __init__(self, level_list, app):
+ self.level_list = level_list
+ self.level_obj = self.level_list.get_current_level()
+ self.level_obj.load_tiles()
self.tiles = {}
+ self.view = app.root
+ self.app = app
+
+ cols, rows = self.level_obj.get_size()
+
+ super(GameWindow, self).__init__(
+ size=(cols * TILE_SIZE, rows * TILE_SIZE),
+ size_hint=(None, None))
+
+ self.x_scroll_margin = float(TILE_SIZE) / self.view.size[0]
+ self.y_scroll_margin = float(TILE_SIZE) / self.view.size[1]
+
+ self.mouse_move = False
self.player = ThePlayer()
- self.level_obj.load_tiles()
+ self.nemesis = Nemesis()
if not self.level_obj.enter_pos:
raise RuntimeError('No entry point')
self.player_tile = None
+ self.nemesis_tile = None
+ self.timer_set = False
self.player.pos = self.level_obj.enter_pos
- self.keyboard = Window.request_keyboard(self._closed, self)
- self.keyboard.bind(on_key_down=self._on_key_down)
+ if platform() != 'android':
+ # Very hack'ish
+ # We need to delay this import until after the window creation by
+ # the app, else our size config doesn't work
+ from kivy.core.window import Window
+ self.keyboard = Window.request_keyboard(self._closed, self)
+ self.keyboard.bind(on_key_down=self._on_key_down)
def build(self):
self.clear_widgets()
for tile_line in tiles:
bx = 0
for tile in tile_line:
- node = Widget(size=(TILE_SIZE, TILE_SIZE), pos=(bx, by))
+ node = Widget(size=(TILE_SIZE, TILE_SIZE),
+ pos=(bx, by),
+ size_hint=(None, None))
+ self.add_widget(node)
with node.canvas:
Color(1, 1, 1)
Rectangle(pos=node.pos, size=node.size,
texture=tile.texture)
- self.add_widget(node)
self.tiles[(bx, by)] = node
bx += TILE_SIZE
by += TILE_SIZE
- self.draw_player()
-
def draw_player(self):
if self.player_tile:
self.remove_widget(self.player_tile)
- player_pos = (self.player.pos[0] * TILE_SIZE,
+ sprite_pos = (self.player.pos[0] * TILE_SIZE,
self.player.pos[1] * TILE_SIZE)
self.player_tile = Widget(size=(TILE_SIZE, TILE_SIZE),
- pos=player_pos)
+ pos=sprite_pos)
with self.player_tile.canvas:
Color(1, 1, 1)
- Rectangle(pos=player_pos, size=self.player_tile.size,
- texture=self.player.sprite.texture)
+ Rectangle(pos=sprite_pos, size=self.player_tile.size,
+ texture=self.player.get_texture())
self.add_widget(self.player_tile)
+ for offset in [(TILE_SIZE - 1, TILE_SIZE - 1),
+ (-TILE_SIZE + 1, TILE_SIZE - 1),
+ (TILE_SIZE - 1, -TILE_SIZE + 1),
+ (-TILE_SIZE + 1, -TILE_SIZE + 1),
+ (0, 2 * TILE_SIZE - 2),
+ (-2 * TILE_SIZE + 2, 0),
+ (2 * TILE_SIZE - 2, 0),
+ (0, -2 * TILE_SIZE + 2),
+ (0, 0)]:
+ # Aim is to ensure a 'neighbourhood' around the player
+ # is visible if possible
+ check_point = (sprite_pos[0] + offset[0] + TILE_SIZE / 2,
+ sprite_pos[1] + offset[1] + TILE_SIZE / 2)
+ true_point = self.to_parent(*check_point)
+ if check_point[0] < 0:
+ continue
+ if check_point[1] < 0:
+ continue
+ if check_point[0] >= self.size[0]:
+ continue
+ if check_point[1] >= self.size[1]:
+ continue
+ while not self.included(true_point, 0):
+ # Scroll ourselves
+ if true_point[0] >= self.view.size[0]:
+ self.view.scroll_x += self.x_scroll_margin
+ true_point = self.to_parent(*check_point)
+ #print '-x', self.view.scroll_x, self.view.scroll_y
+ elif true_point[0] < 0:
+ self.view.scroll_x -= self.x_scroll_margin
+ true_point = self.to_parent(*check_point)
+ #print '+x', self.view.scroll_x, self.view.scroll_y
+ elif true_point[1] >= self.view.size[1]:
+ self.view.scroll_y += self.y_scroll_margin
+ true_point = self.to_parent(*check_point)
+ #print '+y', self.view.scroll_x, self.view.scroll_y
+ elif true_point[1] < 0:
+ self.view.scroll_y -= self.y_scroll_margin
+ true_point = self.to_parent(*check_point)
+ #print '-y', self.view.scroll_x, self.view.scroll_y
+ #print true_point, self.view.size
+
+ def included(self, point, margin):
+ if point[0] < margin:
+ return False
+ if point[0] >= self.view.size[0] - margin:
+ return False
+ if point[1] < margin:
+ return False
+ if point[1] >= self.view.size[1] - margin:
+ return False
+ return True
+
+ def draw_nemesis(self):
+ if not self.nemesis.on_board():
+ return
+ if self.nemesis_tile:
+ self.remove_widget(self.nemesis_tile)
+ sprite_pos = (self.nemesis.pos[0] * TILE_SIZE,
+ self.nemesis.pos[1] * TILE_SIZE)
+ self.nemesis_tile = Widget(size=(TILE_SIZE, TILE_SIZE),
+ pos=sprite_pos)
+ with self.nemesis_tile.canvas:
+ Color(1, 1, 1)
+ Rectangle(pos=sprite_pos, size=self.nemesis_tile.size,
+ texture=self.nemesis.get_texture())
+ self.add_widget(self.nemesis_tile)
def _closed(self):
self.keyboard.unbind(on_key_down=self._on_key_down)
def _on_key_down(self, keyboard, keycode, text, modifiers):
- # FIXME - likely portablity issues
direction = None
- if keycode[0] == pygame.K_UP:
+ letter = keycode[1].lower()
+ if letter in UP:
direction = (0, 1)
- elif keycode[0] == pygame.K_DOWN:
+ elif letter in DOWN:
direction = (0, -1)
- elif keycode[0] == pygame.K_LEFT:
+ elif letter in LEFT:
direction = (-1, 0)
- elif keycode[0] == pygame.K_RIGHT:
+ elif letter in RIGHT:
direction = (1, 0)
if direction:
- if self.player.can_move(direction, self.level_obj):
- self.player.move(direction)
- self.draw_player()
+ self.do_move(direction)
+
+ def do_move(self, direction):
+ if not self.level_obj:
+ return
+ self.player.move(direction, self.level_obj)
+ self.draw_player()
+ self.check_state()
+ if not self.timer_set:
+ self.reset_timer()
+
+ def timed_move(self, event):
+ if not self.level_obj:
+ return
+ self.nemesis.move(self.level_obj, self.check_caught)
+ self.draw_nemesis()
+ self.check_state()
+ self.reset_timer()
+
+ def reset_timer(self):
+ self.timer_set = True
+ Clock.unschedule(self.timed_move)
+ Clock.schedule_once(self.timed_move, 0.5)
+
+ def check_caught(self):
+ return self.nemesis.pos == self.player.pos
+
+ def reset_level(self):
+ Clock.unschedule(self.timed_move)
+ self.timer_set = False
+ self.remove_widget(self.nemesis_tile)
+ self.nemesis.reset_pos()
+ if self.level_obj:
+ self.level_obj.load_tiles()
+ self.player.pos = self.level_obj.enter_pos
+ self.remove_widget(self.player_tile)
+ self.view.scroll_x = 0
+ self.view.scroll_y = 0
+ self.build()
+ self.draw_nemesis()
+ self.draw_player()
+ return True
+ return False
+
+ def check_state(self):
+ if self.level_obj.at_exit(self.player.pos):
+ # Jump to next level
+ self.level_obj = self.level_list.advance_to_next_level()
+ if not self.reset_level():
+ self.app.game_over(True)
+ elif self.check_caught():
+ # Caught
+ self.app.game_over(False)
+
+ def _calc_mouse_pos(self, pos):
+ pos = self.to_local(*pos)
+ return (int(pos[0] / TILE_SIZE), int(pos[1] / TILE_SIZE))
+
+ def on_touch_down(self, touch):
+ pos = self._calc_mouse_pos(touch.pos)
+ if pos == self.player.pos:
+ self.mouse_move = True
+ self.mouse_start = pos
+
+ def on_touch_up(self, touch):
+ self.mouse_move = False
+
+ def on_touch_move(self, touch):
+ if self.mouse_move:
+ pos = self._calc_mouse_pos(touch.pos)
+ if (pos[0] - self.mouse_start[0] != 0) or (
+ pos[1] - self.mouse_start[1] != 0):
+ direction = (pos[0] - self.mouse_start[0],
+ pos[1] - self.mouse_start[1])
+ self.do_move(direction)
+ self.mouse_start = pos
+
+
+class Screen(Widget):
+
+ BACKGROUND = None
+ START = 'Start'
+
+ def __init__(self, app):
+ super(Screen, self).__init__()
+ self.image = load_image(self.BACKGROUND)
+ self.app = app
+ with self.canvas:
+ Rectangle(pos=(0, 0), size=(1026, 760),
+ texture=self.image.texture)
+
+ self.stop_button = Label(
+ text='[ref=quit][color=ff0066]Quit[/color][/ref]',
+ font_size=30,
+ markup=True,
+ size=(200, 40),
+ pos=((1026 - 200) / 2 - 100, 100))
+ self.stop_button.bind(on_ref_press=self.app.stop_app)
+ self.start_button = Label(
+ text="[ref=start][color=00ff66]%s[/color][/ref]" % self.START,
+ font_size=30,
+ markup=True, size=(200, 40),
+ pos=((1026 - 200) / 2 + 100, 100))
+ self.start_button.bind(on_ref_press=self.app.start_game)
+ self.add_widget(self.stop_button)
+ self.add_widget(self.start_button)
+
+
+class IntroScreen(Screen):
+
+ BACKGROUND = 'screens/intro_screen.png'
+ START = 'Start the Game'
+
+
+class WonScreen(Screen):
+
+ BACKGROUND = 'screens/won.png'
+ START = 'Play again?'
+
+
+class LostScreen(Screen):
+
+ BACKGROUND = 'screens/lost.png'
+ START = 'Retry?'
class GameApp(App):
+ title = "Peter's thread snake"
+
def __init__(self):
- self.level = 'level1.txt'
+ self.levels = LevelList()
super(GameApp, self).__init__()
def build(self):
- game = GameWindow(self.level)
+ root = ScrollView(size_hint=(None, None))
+ return root
+
+ def on_start(self):
+ from kivy.base import EventLoop
+ window = EventLoop.window
+ if platform() == 'android':
+ window.fullscreen = True
+ self.root.size = window.size
+ self.make_intro()
+
+ def make_intro(self):
+ self.root.clear_widgets()
+ screen = IntroScreen(self)
+ self.root.add_widget(screen)
+
+ def stop_app(self, label, ref):
+ self.stop()
+
+ def start_game(self, label, ref):
+ """Start the game"""
+ game = GameWindow(self.levels, self)
game.build()
- return game
+ self.root.clear_widgets()
+ self.root.add_widget(game)
+ # Ensure the player is visible
+ self.root.scroll_x = 0
+ self.root.scroll_y = 0
+ game.draw_player()
+ game.draw_nemesis()
+
+ def game_over(self, won):
+ if won:
+ screen = WonScreen(self)
+ self.levels.reset()
+ else:
+ screen = LostScreen(self)
+ self.root.clear_widgets()
+ self.root.add_widget(screen)
def main():
projects / erdslangetjie.git / blobdiff