217 lines
7.2 KiB
Python
217 lines
7.2 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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# Copyright (C) 2020 Miguel Rochefort
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"""Play 2048
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~~~~~~~~~~~~
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A popular sliding block puzzle game in which tiles are combined to make the
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number 2048.
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.. figure:: res/2048App.png
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:width: 179
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Screenshot of the 2048 game application
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"""
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import wasp
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import icons
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import widgets
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import random
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import fonts
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from micropython import const
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SCREEN_SIZE = const(240)
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GRID_PADDING = const(8)
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GRID_SIZE = const(4)
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CELL_SIZE = const(50)
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GRID_BACKGROUND = const(0x942F)
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CELL_BACKGROUND = [0x9CB1, 0xEF3B, 0xEF19, 0xF58F, 0xF4AC, 0xF3EB, 0xF2E7, 0xEE6E, 0xEE6C, 0xEE4A, 0xEE27, 0xEE05]
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CELL_FOREGROUND = [0x9CB1, 0x736C, 0x736C, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE, 0xFFBE]
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CELL_LABEL = ['','2','4','8','16','32','64','128','256','512','1K','2K'] # TODO: Display 1024 and 2048 (text-wrapping)
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# 2-bit RLE, generated from res/2048_icon.png, 578 bytes
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icon = (
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b'\x02'
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b'`@'
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b'\x10\xbf\x01 \xbf\x01 \xbf\x01 \x83@\x81M\x82M'
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b'\x82M\x82\x80\xc8\x8d\xc0\xdb\xc3 \xc3M\xc2M\xc2M'
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b'\xc2\x8d\xc3 \xc3M\xc2M\xc2M\xc2\x8d\xc3 \xc3M'
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b'\xc2M\xc2M\xc2\x8d\xc3 \xc3M\xc2M\xc2M\xc2\x8d'
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b'\xc3 \xc3M\xc2M\xc2M\xc2\x8d\xc3 \xc3M\xc2M'
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b'\xc2M\xc2\x8d\xc3 \xc3M\xc2M\xc2M\xc2\x8d\xc3 '
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b'\xc3M\xc2M\xc2M\xc2\x8d\xc3 \xc3M\xc2M\xc2M'
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b'\xc2\x8d\xc3 \xc3M\xc2M\xc2M\xc2\x8d\xc3 \xc3M'
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b'\xc2M\xc2M\xc2\x8d\xc3 \xc3M\xc2M\xc2M\xc2\x8d'
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b'\xc3 \xff\x01 \xff\x01 \xc3M\xc2M\xc2M\xc2@'
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b'\xfaM\xc3 \xc3\x80\x81\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 '
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b'\xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d'
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b'\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 \xc3\x8d'
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b'\xc2\x8d\xc2\x8d\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d\xc2M'
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b'\xc3 \xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 \xc3\x8d\xc2\x8d'
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b'\xc2\x8d\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 '
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b'\xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d'
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b'\xc2M\xc3 \xc3\x8d\xc2\x8d\xc2\x8d\xc2M\xc3 \xff\x01'
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b' \xff\x01 \xc3\xc0\xfb\xcd@\xdbB\x8dB\x8dB\xcd'
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b'C C\xcdB\x8dB\x8dB\xcdC C\xcdB\x8d'
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b'B\x8dB\xcdC C\xcdB\x8dB\x8dB\xcdC '
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b'C\xcdB\x8dB\x8dB\xcdC C\xcdB\x8dB\x8d'
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b'B\xcdC C\xcdB\x8dB\x8dB\xcdC C\xcd'
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b'B\x8dB\x8dB\xcdC C\xcdB\x8dB\x8dB\xcd'
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b'C C\xcdB\x8dB\x8dB\xcdC C\xcdB\x8d'
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b'B\x8dB\xcdC C\xcdB\x8dB\x8dB\xcdC '
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b'C\xcdB\x8dB\x8dB\xcdC \x7f\x01 \x7f\x01 '
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b'C\x8dB\x8dB\x80\xf6\x8dB\x8dC C\xc0\x81\xcd'
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b'B\xcdB\x8dB\x8dC C\xcdB\xcdB\x8dB\x8d'
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b'C C\xcdB\xcdB\x8dB\x8dC C\xcdB\xcd'
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b'B\x8dB\x8dC C\xcdB\xcdB\x8dB\x8dC '
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b'C\xcdB\xcdB\x8dB\x8dC C\xcdB\xcdB\x8d'
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b'B\x8dC C\xcdB\xcdB\x8dB\x8dC C\xcd'
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b'B\xcdB\x8dB\x8dC C\xcdB\xcdB\x8dB\x8d'
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b'C C\xcdB\xcdB\x8dB\x8dC C\xcdB\xcd'
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b'B\x8dB\x8dC \x7f\x01 \x7f\x01 \x7f\x01\x10'
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)
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class Play2048App():
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"""Let's play the 2048 game."""
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NAME = '2048'
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ICON = icon
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def __init__(self):
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"""Initialize the application."""
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self._board = None
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self._state = 0
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self._confirmation_view = None
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def foreground(self):
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"""Activate the application."""
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wasp.system.request_event(wasp.EventMask.TOUCH |
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wasp.EventMask.SWIPE_UPDOWN |
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wasp.EventMask.SWIPE_LEFTRIGHT)
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self._state = 0
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if not self._board:
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self._start_game()
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self._draw()
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def touch(self,event):
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"""Notify the application of a touchscreen touch event."""
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if self._state == 0:
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if not self._confirmation_view:
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self._confirmation_view = widgets.ConfirmationView()
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self._confirmation_view.draw('Restart game?')
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self._state = 1
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elif self._state == 1:
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if self._confirmation_view.touch(event):
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if self._confirmation_view.value:
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self._start_game()
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self._draw()
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self._state = 0
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def swipe(self, event):
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"""Notify the application of a touchscreen swipe event."""
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moved = False
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if self._state == 0:
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if event[0] == wasp.EventType.UP:
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moved = self._shift(1,False)
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elif event[0] == wasp.EventType.DOWN:
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moved = self._shift(-1,False)
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elif event[0] == wasp.EventType.LEFT:
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moved = self._shift(1,True)
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elif event[0] == wasp.EventType.RIGHT:
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moved = self._shift(-1,True)
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if moved:
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self._add_tile()
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def _draw(self):
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"""Draw the display from scratch."""
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board = self._board
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draw = wasp.watch.drawable
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draw.fill(GRID_BACKGROUND)
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draw.set_font(fonts.sans24)
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for y in range(GRID_SIZE):
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for x in range(GRID_SIZE):
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self._update(draw, board[y][x], y, x)
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def _update(self, draw, cell, row, col):
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"""Update the specified cell of the application display."""
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x = GRID_PADDING + (col * (CELL_SIZE + GRID_PADDING))
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y = GRID_PADDING + (row * (CELL_SIZE + GRID_PADDING))
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draw.set_color(CELL_FOREGROUND[cell], CELL_BACKGROUND[cell])
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draw.fill(CELL_BACKGROUND[cell], x, y, CELL_SIZE, CELL_SIZE)
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draw.string(CELL_LABEL[cell], x, y + 16, CELL_SIZE)
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def _start_game(self):
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"""Start a new game."""
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self._board = self._create_board()
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self._add_tile()
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self._add_tile()
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def _create_board(self):
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"""Create an empty 4x4 board."""
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board = []
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for _ in range(GRID_SIZE):
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board.append([0] * GRID_SIZE)
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return board
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def _add_tile(self):
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"""Add a new tile to a random empty location on the board."""
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board = self._board
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randint = random.randint
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y = randint(0, GRID_SIZE-1)
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x = randint(0, GRID_SIZE-1)
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while board[y][x] != 0:
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y = randint(0, GRID_SIZE-1)
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x = randint(0, GRID_SIZE-1)
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board[y][x] = 1
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self._update(wasp.watch.drawable,1,y,x)
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def _shift(self, direction, orientation):
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"""Shift and merge the tiles vertically."""
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draw = wasp.watch.drawable
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update = self._update
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board = self._board
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moved = False
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def read(y, x):
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if not orientation:
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y,x = x,y
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return board[y][x]
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def write(y, x, v):
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if not orientation:
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y,x = x,y
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board[y][x] = v
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update(draw, v, y, x)
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if direction > 0:
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s = 0 + 1
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e = GRID_SIZE
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else:
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s = GRID_SIZE - 1 - 1
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e = 0 - 1
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for y in range(GRID_SIZE):
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p = s - direction
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for x in range(s,e,direction):
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a = read(y,x)
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b = read(y,p)
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if a != 0:
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if a == b:
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write(y, p, a + 1)
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write(y, x, 0)
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moved = True
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p += direction
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else:
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if b != 0:
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p += direction
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if x != p:
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write(y, p, a)
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write(y, x, 0)
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moved = True
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return moved
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