pytron/tron/map.py

123 lines
3.4 KiB
Python

"""
This module contains the Map class.
"""
import numpy as np
from enum import Enum
def is_on_border(i, j, w ,h):
return i == 0 or i == w - 1 or j == 0 or j == h - 1
class Tile(Enum):
"""
The different type of elements that can be in a map.
"""
EMPTY = 0
WALL = -1
PLAYER_ONE_BODY = 1
PLAYER_ONE_HEAD = 2
PLAYER_TWO_BODY = 3
PLAYER_TWO_HEAD = 4
def color(self):
"""
Converts an element of a map to a nice color.
"""
if self == Tile.EMPTY:
return (255, 255, 255)
elif self == Tile.WALL:
return (0, 0, 0)
elif self == Tile.PLAYER_ONE_BODY:
return (128, 0, 0)
elif self == Tile.PLAYER_ONE_HEAD:
return (255, 0, 0)
elif self == Tile.PLAYER_TWO_BODY:
return (0, 128, 0)
elif self == Tile.PLAYER_TWO_HEAD:
return (0, 255, 0)
else:
return None
class Map:
"""
The map of the game.
It basically consists of a matrix with a certain width and height. You can
access its items by using the [] operator.
"""
def __init__(self, w, h, empty, wall):
"""
Creates a new map from its width and its height.
The map will contain (height + 2) * (width + 2) tiles, by having a
border. The matrix is initialized with `empty` in the inside and
`wall` on the borders.
"""
self.width = w
self.height = h
self._data = np.array([[wall if is_on_border(i, j, w + 2, h + 2) else empty for i in range(h + 2)] for j in range(w + 2)])
def clone(self):
"""
Creates a clone of the map.
"""
clone = Map(self.width, self.height, 0, 0)
clone._data = np.copy(self._data)
return clone
def apply(self, converter):
"""
Converts a map by applying a function to each element.
"""
converted = Map(self.width, self.height, 0, 0)
converted._data = np.array([[converter(self._data[i][j]) for i in range(self.height + 2)] for j in range(self.width + 2)])
return converted
def array(self):
"""
Returns the inner array of the map.
"""
return self._data
def clone_array(self):
"""
Returns a copy of the inner array of the map.
"""
#return np.array([[converter(self._data[i][j]) for i in range(self.height + 2)] for j in range(self.width + 2)])
clone_map = self.clone()
return clone_map._data
def color(self, t, p):
"""
Converts an element of a map into an element to be perceived by player p.
"""
if t == Tile.EMPTY:
return 1
elif t == Tile.WALL:
return -1
elif t == Tile.PLAYER_ONE_BODY:
return -1
elif t == Tile.PLAYER_ONE_HEAD:
return 10 if p == 1 else -10
elif t == Tile.PLAYER_TWO_BODY:
return -1
elif t == Tile.PLAYER_TWO_HEAD:
return 10 if p == 2 else -10
else:
return None
def state_for_player(self, p):
"""
Returns an image representing the current perception of the environment from player p.
"""
return self.apply(lambda tile: self.color(tile, p)).array()
def __getitem__(self, index):
(i, j) = index
return self._data[i+1][j+1]
def __setitem__(self, position, other):
(i, j) = position
self._data[i+1][j+1] = other