blup/ttrs.py

#!/usr/bin/env python3

import argparse
import sys
import socket
import struct
import time
import enum
import math
import collections
import blup.frame
import blup.output
import random
import threading


class InvalidMoveError(Exception):
    pass

class Point(collections.namedtuple('Point', ['x', 'y'])):
    __slots__ = ()

    def __add__(self, other):
        return Point(self.x + other.x, self.y + other.y)

    def floored(self):
        return Point(math.floor(self.x), math.floor(self.y))

Block = collections.namedtuple('Block', ['pos', 'color'])


class Tetrimino():
    def __init__(self, shape, playground, pos):
        self.shape = shape 
        self.playground = playground
        self.pos = pos

    @property
    def width(self):
        x = list(map(lambda s: s.pos.x, self.shape))
        return max(x) - min(x)

    @property
    def height(self):
        y = list(map(lambda s: s.pos.y, self.shape))
        return max(y) - min(y)

    @property
    def blocks(self):
        ret = { Block((self.pos + b.pos).floored(), b.color) for b in 
                self.shape }
        return ret

    def __calc_points(self, pos=None, shape=None):
        if pos is None:
            pos = self.pos
        if shape is None:
            shape = self.shape
        return { (pos + b.pos).floored() for b in shape }

    @property
    def points(self):
        return self.__calc_points()

    def __check_collision(self, newpoints):
        #if not self.playground.contains_points(newpoints):
        #    raise InvalidMoveError('out of playground bounds')
        #print(self.playground.block_points)
        #print(self.playground.blocks)
        #print('new', newpoints)
        for newp in newpoints:
            if ( newp.x >= self.playground.width or newp.x < 0 or
                 newp.y >= self.playground.height):
                raise InvalidMoveError('out of playground bounds')
        if not self.playground.block_points.isdisjoint(newpoints):
            raise InvalidMoveError('new position already occupied')
        other_mino_points = self.playground.mino_points - self.points
        if not other_mino_points.isdisjoint(newpoints):
            raise InvalidMoveError('other Tetrimino at new position')

    def rotate(self, ccw=False):
        if ccw:
            transform = lambda s: Block(Point(s.pos.y, -s.pos.x), s.color)
        else:
            transform = lambda s: Block(Point(-s.pos.y, s.pos.x), s.color)
        newshape = set(map(transform, self.shape))
        newpoints = self.__calc_points(shape=newshape)
        self.__check_collision(newpoints)
        self.shape = newshape

    def move(self, m):
        newpos = self.pos + m
        newpoints = self.__calc_points(pos=newpos)
        self.__check_collision(newpoints)
        self.pos = newpos




        

class TetriL(Tetrimino):
    def __init__(self, playground, pos):
        color = (255,165,0)
        points = [(-1, 1), (-1, 0), (0, 0), (1, 0)]
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriJ(Tetrimino):
    def __init__(self, playground, pos):
        color = (0,0,255)
        points = [(-1, 0), (0, 0), (1, 0), (1, 1)]
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriI(Tetrimino):
    def __init__(self, playground, pos):
        color = (0,255,255)
        points = {(1.5, -0.5), (0.5, -0.5), (-0.5, -0.5), (-1.5, -0.5)}
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriO(Tetrimino):
    def __init__(self, playground, pos):
        color = (255,255,0)
        points = {(-0.5, -0.5), (-0.5, 0.5), (0.5, -0.5), (0.5, 0.5)}
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriS(Tetrimino):
    def __init__(self, playground, pos):
        color = (128,255,0)
        points = {(-1, 0), (0, 0), (0, -1), (1, -1)}
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriZ(Tetrimino):
    def __init__(self, playground, pos):
        color = (255,0,0)
        points = {(-1, 0), (0, 0), (0, 1), (1, 1)}
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class TetriT(Tetrimino):
    def __init__(self, playground, pos):
        color = (128,0,128)
        points = {(-1, 0), (0, 0), (1, 0), (0, 1)}
        shape = { Block(Point(x, y), color) for (x, y) in points }
        Tetrimino.__init__(self, shape, playground, pos)


class Playground():
    def __init__(self, width=10, height=22):
        self.width = width
        self.height = height
        self.blocks = set()
        self.minos = set()

    @property
    def block_points(self):
        return set([ b.pos for b in self.blocks ])

    @property
    def mino_points(self):
        return set.union(set(), *[ m.points for m in self.minos ])

    def contains_points(self, points):
        for p in points:
            if p.x >= self.width or p.y >= self.height or p.x < 0 or p.y < 0:
                return False
        return True

    def paint(self, frame, xpos, ypos):
        for x in range(self.width):
            for y in range(self.height):
                frame.setPixel(xpos + x, ypos + y, (0, 0, 0))
        for b in set.union(self.blocks, *[ m.blocks for m in self.minos ]):
            if not self.contains_points([b.pos]):
                # don't draw blocks outside the playground area
                continue
            frame.setPixel(xpos + int(b.pos.x), ypos + int(b.pos.y), b.color)


PlayerEvent = enum.Enum('PlayerEvent', ['ROTATE', 'DROP', 'MOVE_LEFT',
                                        'MOVE_RIGHT', 'QUIT'])


class TtrsPlayer():
    def __init__(self, playground):
        pass

    def get_event(self):
        return None


class TestTtrsPlayer(TtrsPlayer):
    def __init__(self, playground):
        self.playground = playground
        self.__evt = None

        import pygame
        self.__pygame = pygame
        self.screen = pygame.display.set_mode((100, 100))
        pygame.display.update()

        self.controls = {
            pygame.K_a: PlayerEvent.MOVE_LEFT,
            pygame.K_d: PlayerEvent.MOVE_RIGHT,
            pygame.K_w: PlayerEvent.ROTATE,
            pygame.K_s: PlayerEvent.DROP,
            pygame.K_ESCAPE: PlayerEvent.QUIT,
        }
        #self.controls = {
        #    pygame.K_LEFT: PlayerEvent.MOVE_LEFT,
        #    pygame.K_RIGHT: PlayerEvent.MOVE_RIGHT,
        #    pygame.K_UP: PlayerEvent.ROTATE,
        #    pygame.K_DOWN: PlayerEvent.DROP,
        #    pygame.K_ESCAPE: PlayerEvent.QUIT,
        #}

    def get_event(self):
        pygame = self.__pygame
        for event in pygame.event.get():
            if event.type == pygame.KEYDOWN:
                return self.controls.get(event.key, None)
        return None


class BalanceTtrsPlayer(TtrsPlayer, threading.Thread):
    def __init__(self, playground, addr, player_id):
        self.playground = playground
        self.addr = addr
        self.player_id = player_id
        self.evt = None
        self.lastevt = None
        threading.Thread.__init__(self, daemon=True)
        self.start()

    def run(self):
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        try:
            sock.connect(self.addr)
        except ConnectionRefusedError:
            print('could not connect to balance server', file=sys.stderr)
            self.evt = PlayerEvent.QUIT
            return
        self.running = True
        evt = None
        oldevt = None
        lastchange = 0
        while self.running:
            sock.send(b'a')
            data = sock.recv(4)
            p0x, p0y, p1x, p1y = struct.unpack('bbbb', data)
            if self.player_id == 0:
                xbal, ybal = p0x, p0y
            elif self.player_id == 1:
                xbal, ybal = p1x, p1y

            print('player_id=%d xbal=%d ybal=%d' % (self.player_id, xbal, ybal))
            if xbal == -128 or ybal == -128:
                self.evt = PlayerEvent.QUIT
                self.running = False
                break

            THRESHOLD = 40
            if abs(xbal) < THRESHOLD and abs(ybal) < THRESHOLD:
                evt = None
            else:
                if abs(xbal) < abs(ybal):
                    if ybal > 0:
                        evt = PlayerEvent.ROTATE
                    else:
                        evt = PlayerEvent.DROP
                else:
                    if xbal > 0:
                        evt = PlayerEvent.MOVE_RIGHT
                    else:
                        evt = PlayerEvent.MOVE_LEFT

            MIN_TIMES = {
                PlayerEvent.MOVE_LEFT: 0.1,
                PlayerEvent.MOVE_RIGHT: 0.1,
                PlayerEvent.ROTATE: 0.1,
                PlayerEvent.DROP: 0.3,
            }
            if evt != oldevt:
                lastchange = time.time()
                oldevt = evt

            if time.time() - lastchange < MIN_TIMES.get(evt, 0):
                print('player_id=%d debounce %s' % (self.player_id, evt))
                continue

            if evt == PlayerEvent.ROTATE:
                if self.lastevt != PlayerEvent.ROTATE:
                    self.evt = evt
            else:
                self.evt = evt
            self.lastevt = evt
            print('player_id=%d event=%s' % (self.player_id, self.evt))



    def get_event(self):
        evt = self.evt
        self.evt = None
        return evt

        
class TtrsGame(threading.Thread):
    def __init__(self, playground, player, rnd=None):
        self.playground = playground
        self.player = player
        if rnd is None:
            self.rnd = random.Random()
        else:
            self.rnd = rnd
        self.running = False
        self.tick_callbacks = []
        threading.Thread.__init__(self, daemon=True)

    def add_tick_callback(self, cb):
        self.tick_callbacks.append(cb)

    def __call_callbacks(self):
        for cb in self.tick_callbacks:
            cb(self)

    def run(self):
        self.running = True
        spawnpos = Point(self.playground.width // 2, -1)
        mino = None
        TICK_TIME = 0.1
        FALL_INTERVAL = 5
        MOVE_INTERVAL = 1
        ticks = 0
        lastfall = 0
        lastmove = 0
        dropping = False
        top_row = { Point(x, -1) for x in range(self.playground.height) }
        while self.running:
            self.__call_callbacks()
            time.sleep(TICK_TIME)
            ticks += 1

            evt = self.player.get_event()
            if evt == PlayerEvent.QUIT:
                time.sleep(3)
                if self.player.get_event() == PlayerEvent.QUIT:
                    self.running = False
                    break

            if not self.playground.block_points.isdisjoint(top_row):
                self.running = False
                break

            if mino is None:
                newminocls = self.rnd.choice(Tetrimino.__subclasses__())
                mino = newminocls(self.playground, spawnpos)
                self.playground.minos = {mino}
                
                #print(mino.pos)

                to_remove = set()
                for y in range(self.playground.height):
                    row = { Point(x, y) for x in range(self.playground.width) }
                    if row.issubset(self.playground.block_points):
                        to_remove.add(y)

                if len(to_remove) > 0:
                    to_delete = set()
                    for b in list(self.playground.blocks):
                        if b.pos.y in to_remove:
                            to_delete.add(Block(b.pos, (255, 255, 255)))
                            self.playground.blocks.remove(b)

                    for i in range(2):
                        for b in to_delete:
                            self.playground.blocks.add(b)
                        self.__call_callbacks()
                        time.sleep(0.2)
                        for b in to_delete:
                            self.playground.blocks.remove(b)
                        self.__call_callbacks()
                        time.sleep(0.2)

                    to_add = set()
                    for b in list(self.playground.blocks):
                        o = len(list(filter(lambda y: y > b.pos.y, to_remove)))
                        if o > 0:
                            self.playground.blocks.remove(b)
                            newb = Block(b.pos + Point(0, o), b.color)
                            to_add.add(newb)
                    self.playground.blocks.update(to_add)

            if ticks - lastfall >= FALL_INTERVAL or evt == PlayerEvent.DROP:
                lastfall = ticks
                try:
                    mino.move(Point(0, 1))
                except InvalidMoveError:
                    self.playground.blocks.update(mino.blocks)
                    mino = None
                    self.playground.minos = set()
                    continue

            if ticks - lastmove >= MOVE_INTERVAL:
                try:
                    if evt == PlayerEvent.MOVE_LEFT:
                        mino.move(Point(-1, 0))
                        lastmove = ticks
                    elif evt == PlayerEvent.MOVE_RIGHT:
                        mino.move(Point(1, 0))
                        lastmove = ticks
                except InvalidMoveError:
                    pass

            if evt == PlayerEvent.ROTATE:
                try:
                    mino.rotate()
                except InvalidMoveError:
                    pass


def repaint(pg):
    pg.paint(frame, 0, 0)
    out.sendFrame(frame)

class GamePlaygroundPainter():
    def __init__(self, output, dimension):
        self.output = output
        self.games = {}
        self.frame = blup.frame.Frame(dimension)
        bgcolor = (100, 100, 100)
        for x in range(dimension.width):
            for y in range(dimension.height):
                self.frame.setPixel(x, y, bgcolor)

    def add_game(self, game, xpos, ypos):
        game.add_tick_callback(self.repaint)
        self.games[game] = (xpos, ypos)

    def repaint(self, game):
        xpos, ypos = self.games[game]
        game.playground.paint(self.frame, xpos, ypos)
        self.output.sendFrame(self.frame)

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Blinkenbunt Tetris!')
    parser.add_argument('--players', dest='players', type=int, default=1,
                        help='number of players')
    parser.add_argument('--pygame', dest='pygame', action='store_true',
                        help='use pygame as input')
    parser.add_argument('--balance', dest='balance', type=str,
                        metavar='HOST:PORT', help='use balance input')
    parser.add_argument('--out', dest='out', type=str, metavar='OUTPUT',
                        default='e3blp', help='blup output specification')
    args = parser.parse_args()

    if args.balance is None and not args.pygame:
        print('please specify an input method', file=sys.stderr)
        sys.exit(1)

    if args.pygame and args.players == 2:
        print('pygame input does only support one player', file=sys.stderr)
        sys.exit(1)

    w = 22
    h = 16

    out = blup.output.getOutput(args.out)
    dim = blup.frame.FrameDimension(w, h, 256, 3)
    painter = GamePlaygroundPainter(out, dim)

    seed = random.random()
    games = []
    def start_game(player_id, xpos):
        pg = Playground(10, 16)
        if args.pygame:
            player = TestTtrsPlayer(pg)
        elif args.balance is not None:
            host, port = args.balance.split(':')
            player = BalanceTtrsPlayer(pg, (host, int(port)), player_id)
        rnd = random.Random(seed)
        game = TtrsGame(pg, player, rnd)
        painter.add_game(game, xpos, 0)
        game.start()
        games.append(game)

    if args.players == 1:
        start_game(0, 6)
    elif args.players == 2:
        start_game(0, 0)
        start_game(1, 12)

    for game in games:
        game.join()