implemented core game logic and display
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gauss-turing/webserver/gauss_turing.py
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237
gauss-turing/webserver/gauss_turing.py
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import numpy as np
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import random
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import pygame
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import time
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pygame.init()
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pygame.font.init() # you have to call this at the start,
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# if you want to use this module.
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myfont = pygame.font.SysFont('Comic Sans MS', 55)
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P0_text = myfont.render('P0', False, (0, 0, 0))
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game_over_text = myfont.render('GAME OVER', False, (255, 0, 0))
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random.seed(0)
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dimx = 5
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dimy = 10
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scale_fac = 50
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screen = pygame.display.set_mode((dimx*scale_fac+100,dimy*scale_fac+200))
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tiledt = np.dtype([('x', np.uint8), ('y', np.uint8), ('color', np.uint8, 3), ('star', np.bool)])
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BLACK = np.array([0, 0, 0], dtype=np.uint8)
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WHITE = np.array([255, 255, 255], dtype=np.uint8)
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RED = np.array([255, 0, 0], dtype=np.uint8)
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BLUE = np.array([0, 0, 255], dtype=np.uint8)
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YELLOW = np.array([255, 255, 0], dtype=np.uint8)
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GREEN = np.array([0, 255, 0], dtype=np.uint8)
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class Board:
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valid_colors = [WHITE, RED, BLUE]
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def __init__(self, dim_x, dim_y, robot):
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self.tiles = np.zeros((dim_y, dim_x), dtype=tiledt)
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for x in range(dim_x):
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for y in range(dim_y):
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self.tiles[y, x]['x'] = x
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self.tiles[y, x]['y'] = y
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self.tiles[y, x]['color'] = random.choice(Board.valid_colors)
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self.robot = robot
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def render(self):
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board_surf = pygame.Surface((dimx * scale_fac, dimy * scale_fac))
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robot_surf = pygame.Surface((scale_fac, scale_fac), pygame.SRCALPHA)
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# Use the local coordinate system of the surface to draw the lines.
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pygame.draw.lines(robot_surf, (0, 0, 0), True, [(0.75 * scale_fac, 0.5 * scale_fac),
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(0.25 * scale_fac, 0.25 * scale_fac),
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(0.25 * scale_fac, 0.75 * scale_fac)], 3)
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# I rotate it so that the arrow is pointing to the right (0° is right).
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robot_surf = pygame.transform.rotate(robot_surf, self.robot.get_angle())
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star_surf = pygame.Surface((scale_fac, scale_fac), pygame.SRCALPHA)
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pygame.draw.circle(star_surf, YELLOW, (int(0.5 * scale_fac), int(0.5 * scale_fac)), int(0.25 * scale_fac))
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for y in range(self.tiles.shape[0]):
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for x in range(self.tiles.shape[1]):
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pygame.draw.rect(board_surf, tuple(self.tiles[y, x]['color']),
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(x * scale_fac, y * scale_fac, scale_fac, scale_fac), 0)
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pygame.draw.rect(board_surf, (0, 0, 0),
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(x * scale_fac, y * scale_fac, scale_fac, scale_fac), 1)
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if self.tiles[y, x]['star']:
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board_surf.blit(star_surf, (x * scale_fac, y * scale_fac, scale_fac, scale_fac))
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if (x, y) == (self.robot.x, self.robot.y):
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board_surf.blit(robot_surf, (x * scale_fac, y * scale_fac, scale_fac, scale_fac))
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return board_surf
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def __repr__(self):
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s = ''
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for y in range(self.tiles.shape[0]):
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for x in range(self.tiles.shape[1]):
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if (x,y) == (self.robot.x, self.robot.y):
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s += self.robot.orientation
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else:
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s += '.'
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s += '\n'
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return s
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class Robot:
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orientations = ['^', 'left', 'down', 'right']
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resulting_orientation = {
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'^': {'left': '<', 'right': '>'},
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'>': {'left': '^', 'right': 'v'},
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'v': {'left': '>', 'right': '<'},
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'<': {'left': 'v', 'right': '^'},
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}
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def __init__(self, x, y, orientation):
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self.x = x
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self.y = y
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self.orientation = orientation
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def get_forward_coordinates(self):
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# get the coordinates of the neighboring tile in the given direction
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if self.orientation == '^':
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return self.y - 1, self.x
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elif self.orientation == '>':
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return self.y, self.x + 1
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elif self.orientation == 'v':
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return self.y + 1, self.x
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elif self.orientation == '<':
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return self.y, self.x - 1
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else:
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raise Exception("error: undefined direction")
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def get_angle(self):
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angle = {'>': 0, '^': np.pi/2, '<': np.pi, 'v': 3*np.pi/2}[self.orientation]
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return np.rad2deg(angle)
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def __repr__(self):
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return f"({self.y}, {self.x}) - {self.orientation}"
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class Command:
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valid_actions = {'forward', 'left', 'right', 'P0', '-'}
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def __init__(self, action=None, color=WHITE):
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if not (action in Command.valid_actions and any([np.all(color == c) for c in Board.valid_colors])):
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raise ValueError("invalid values for command")
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self.action = action
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self.color = color
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def __repr__(self):
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return f"{self.action}: {self.color}"
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def render(self):
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cmd_surf = pygame.Surface((scale_fac, scale_fac))
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cmd_surf.fill(tuple(self.color))
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arrow_surf = pygame.Surface((300, 300), pygame.SRCALPHA)
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#arrow_surf.fill(tuple(WHITE))
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pygame.draw.polygon(arrow_surf, (0, 0, 0),
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((0, 100), (0, 200), (200, 200), (200, 300), (300, 150), (200, 0), (200, 100)))
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arrow_surf = pygame.transform.scale(arrow_surf, (int(0.9*scale_fac), int(0.9*scale_fac)))
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if self.action == 'forward':
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arrow_surf = pygame.transform.rotate(arrow_surf, 90)
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elif self.action == 'left':
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arrow_surf = pygame.transform.rotate(arrow_surf, 180)
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if self.action in {'left', 'forward', 'right'}:
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cmd_surf.blit(arrow_surf, (0.05*scale_fac,0.05*scale_fac,0.95*scale_fac,0.95*scale_fac))
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elif self.action == 'P0':
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cmd_surf.blit(P0_text, (0.05*scale_fac,0.05*scale_fac,0.95*scale_fac,0.95*scale_fac))
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return cmd_surf
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class Program:
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def __init__(self, robot, board, cmds):
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self.cmds = cmds
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self.robot = robot
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self.board = board
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def input_program(self):
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self.render()
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pass
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def run(self):
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running = True
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prg_counter = 0
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self.render(prg_counter)
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while running:
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cmd = self.cmds[prg_counter]
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prg_counter += 1
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# current position
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x = self.robot.x
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y = self.robot.y
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# current tile the robot is on
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tile = self.board.tiles[y, x]
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if np.all(cmd.color == WHITE) or np.all(cmd.color == tile['color']):
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# matching color -> execute command
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if cmd.action == 'forward':
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ynew, xnew = r.get_forward_coordinates()
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r.x = xnew
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r.y = ynew
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elif cmd.action in {'left', 'right'}:
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r.orientation = Robot.resulting_orientation[self.robot.orientation][cmd.action]
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elif cmd.action == 'P0':
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prg_counter = 0
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else:
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print("color not matching -> skipping command")
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self.render(prg_counter)
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if (not (0 <= r.x < self.board.tiles.shape[1])) or not (0 <= r.y < self.board.tiles.shape[0]):
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print("GAME OVER")
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screen.blit(game_over_text, (50, 00))
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pygame.display.update()
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running = False
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time.sleep(0.1)
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def render(self, prg_counter=None):
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dx = 50
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dy = 50
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screen.fill(tuple(BLACK))
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board_surf = self.board.render()
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screen.blit(board_surf, (dx, dy, dx + dimx * scale_fac, dy + dimy * scale_fac))
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prg_surf = self.render_prg(prg_counter)
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screen.blit(prg_surf, (dx, board_surf.get_height()+2*dy, prg_surf.get_width(), prg_surf.get_height()))
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pygame.display.update()
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def render_prg(self, prg_counter=None):
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prg_surf = pygame.Surface((5 * scale_fac, 1 * scale_fac))
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prg_surf.fill(WHITE)
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for i in range(5):
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if i < len(self.cmds):
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cmd = self.cmds[i]
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cmd_surf = cmd.render()
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if prg_counter is not None and i == prg_counter:
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pygame.draw.rect(cmd_surf, tuple(GREEN), (0,0,scale_fac,scale_fac), 5)
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prg_surf.blit(cmd_surf, (i * scale_fac, 0, scale_fac, scale_fac))
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return prg_surf
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r = Robot(x=1, y=1, orientation='v')
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b = Board(dimx,dimy, r)
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b.tiles[3,4]['star'] = True
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print(b)
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cmds = [Command('forward'), Command('left', color=RED), Command('left', color=BLUE), Command('P0')]
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prg = Program(r, b, cmds)
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prg.input_program()
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prg.run()
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