Map.compute_fov() - Code Metrics - HexDecimal/python-tdl - Measure and Improve Code Quality continuously with Scrutinizer

Map.compute_fov() A
last analyzed 2018-06-24 08:14 UTC

↳ Parent: Map

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	1
dl	0
loc	15
rs	9.65
c	2
b	0
f	0

"""libtcod map attributes and field-of-view functions.

Example::

    >>> import tcod.map
    >>> m = tcod.map.Map(width=3, height=4)
    >>> m.walkable
    array([[False, False, False],
           [False, False, False],
           [False, False, False],
           [False, False, False]]...)

    # Like the rest of the tcod modules, all arrays here are
    # in row-major order and are addressed with [y,x]
    >>> m.transparent[:] = True # Sets all to True.
    >>> m.transparent[1:3,0] = False # Sets (1, 0) and (2, 0) to False.
    >>> m.transparent
    array([[ True,  True,  True],
           [False,  True,  True],
           [False,  True,  True],
           [ True,  True,  True]]...)

    >>> m.compute_fov(0, 0)
    >>> m.fov
    array([[ True,  True,  True],
           [ True,  True,  True],
           [False,  True,  True],
           [False, False,  True]]...)
    >>> m.fov[3,1]
    False

"""

from __future__ import absolute_import

import numpy as np
# .scrutinizer.yml
before_commands:
    - sudo pip install abc # Python2
    - sudo pip3 install abc # Python3

from tcod.libtcod import lib, ffi
import tcod._internal


class Map(object):
    """A map containing libtcod attributes.

    .. versionchanged:: 4.1
        `transparent`, `walkable`, and `fov` are now numpy boolean arrays.

    .. versionchanged:: 4.3
        Added `order` parameter.

    Args:
        width (int): Width of the new Map.
        height (int): Height of the new Map.
        order (str): Which numpy memory order to use.

    Attributes:
        width (int): Read only width of this Map.
        height (int): Read only height of this Map.
        transparent: A boolean array of transparent cells.
        walkable: A boolean array of walkable cells.
        fov: A boolean array of the cells lit by :any:'compute_fov'.

    """

    def __init__(self, width, height, order='C'):
        assert ffi.sizeof('cell_t') == 3 # assert buffer alignment
        self.width = width
        self.height = height
        self._order = tcod._internal.verify_order(order)

        self.__buffer = np.zeros((height, width, 3), dtype=np.bool_)
        self.map_c = self.__as_cdata()


    def __as_cdata(self):
class SomeClass:
    def some_method(self):
        """Do x and return foo."""
        return ffi.new(
            'map_t *',
            (
                self.width,
                self.height,
                self.width * self.height,
                ffi.cast('cell_t*', self.__buffer.ctypes.data),
            )
        )

    @property
    def transparent(self):
class SomeClass:
    def some_method(self):
        """Do x and return foo."""
        buffer = self.__buffer[:,:,0]

        return buffer.T if self._order == 'F' else buffer

    @property
    def walkable(self):
class SomeClass:
    def some_method(self):
        """Do x and return foo."""
        buffer = self.__buffer[:,:,1]

        return buffer.T if self._order == 'F' else buffer

    @property
    def fov(self):
class SomeClass:
    def some_method(self):
        """Do x and return foo."""
        buffer = self.__buffer[:,:,2]

        return buffer.T if self._order == 'F' else buffer

    def compute_fov(self, x, y, radius=0, light_walls=True,

                    algorithm=lib.FOV_RESTRICTIVE):
        """Compute a field-of-view on the current instance.

        Args:
            x (int): Point of view, x-coordinate.
            y (int): Point of view, y-coordinate.
            radius (int): Maximum view distance from the point of view.

                A value of `0` will give an infinite distance.
            light_walls (bool): Light up walls, or only the floor.
            algorithm (int): Defaults to tcod.FOV_RESTRICTIVE
        """
        lib.TCOD_map_compute_fov(
            self.map_c, x, y, radius, light_walls, algorithm)

    def __setstate__(self, state):
        if '_Map__buffer' not in state: # deprecated
            # remove this check on major version update
            self.__buffer = np.zeros((state['height'], state['width'], 3),
                              dtype=np.bool_)
            self.__buffer[:,:,0] = state['buffer'] & 0x01

            self.__buffer[:,:,1] = state['buffer'] & 0x02

            self.__buffer[:,:,2] = state['buffer'] & 0x04

            del state['buffer']
            state['_order'] = 'F'
        if '_order' not in state: # remove this check on major version update
            raise RuntimeError(
                'This Map was saved with a bad version of tdl.')
        self.__dict__.update(state)
        self.map_c = self.__as_cdata()

    def __getstate__(self):
        state = self.__dict__.copy()
        del state['map_c']
        return state


1			"""libtcod map attributes and field-of-view functions.
2
3			Example::
4
5			>>> import tcod.map
6			>>> m = tcod.map.Map(width=3, height=4)
7			>>> m.walkable
8			array([[False, False, False],
9			[False, False, False],
10			[False, False, False],
11			[False, False, False]]...)
12
13			# Like the rest of the tcod modules, all arrays here are
14			# in row-major order and are addressed with [y,x]
15			>>> m.transparent[:] = True # Sets all to True.
16			>>> m.transparent[1:3,0] = False # Sets (1, 0) and (2, 0) to False.
17			>>> m.transparent
18			array([[ True, True, True],
19			[False, True, True],
20			[False, True, True],
21			[ True, True, True]]...)
22
23			>>> m.compute_fov(0, 0)
24			>>> m.fov
25			array([[ True, True, True],
26			[ True, True, True],
27			[False, True, True],
28			[False, False, True]]...)
29			>>> m.fov[3,1]
30			False
31
32			"""
33
34			from __future__ import absolute_import
35
36			import numpy as np
			0 ignored issues – show Configuration introduced 2017-07-05 00:27 UTC by Report Bug Copy Issue Report The import `numpy` could not be resolved. This can be caused by one of the following: 1. Missing Dependencies This error could indicate a configuration issue of Pylint. Make sure that your libraries are available by adding the necessary commands. # .scrutinizer.yml before_commands: - sudo pip install abc # Python2 - sudo pip3 install abc # Python3 Tip: We are currently not using virtualenv to run pylint, when installing your modules make sure to use the command for the correct version. 2. Missing __init__.py files This error could also result from missing `__init__.py` files in your module folders. Make sure that you place one file in each sub-folder. Loading history...
37
38			from tcod.libtcod import lib, ffi
39			import tcod._internal
40
41
42			class Map(object):
43			"""A map containing libtcod attributes.
44
45			.. versionchanged:: 4.1
46			`transparent`, `walkable`, and `fov` are now numpy boolean arrays.
47
48			.. versionchanged:: 4.3
49			Added `order` parameter.
50
51			Args:
52			width (int): Width of the new Map.
53			height (int): Height of the new Map.
54			order (str): Which numpy memory order to use.
55
56			Attributes:
57			width (int): Read only width of this Map.
58			height (int): Read only height of this Map.
59			transparent: A boolean array of transparent cells.
60			walkable: A boolean array of walkable cells.
61			fov: A boolean array of the cells lit by :any:'compute_fov'.
62
63			"""
64
65			def __init__(self, width, height, order='C'):
66			assert ffi.sizeof('cell_t') == 3 # assert buffer alignment
67			self.width = width
68			self.height = height
69			self._order = tcod._internal.verify_order(order)
70
71			self.__buffer = np.zeros((height, width, 3), dtype=np.bool_)
72			self.map_c = self.__as_cdata()
73
74
75			def __as_cdata(self):
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report This method should have a docstring. The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods: class SomeClass: def some_method(self): """Do x and return foo.""" If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions. Loading history...
76			return ffi.new(
77			'map_t *',
78			(
79			self.width,
80			self.height,
81			self.width * self.height,
82			ffi.cast('cell_t*', self.__buffer.ctypes.data),
83			)
84			)
85
86			@property
87			def transparent(self):
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report This method should have a docstring. The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods: class SomeClass: def some_method(self): """Do x and return foo.""" If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions. Loading history...
88			buffer = self.__buffer[:,:,0]
			0 ignored issues – show Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,0] ^ Loading history... Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,0] ^ Loading history...
89			return buffer.T if self._order == 'F' else buffer
90
91			@property
92			def walkable(self):
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report This method should have a docstring. The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods: class SomeClass: def some_method(self): """Do x and return foo.""" If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions. Loading history...
93			buffer = self.__buffer[:,:,1]
			0 ignored issues – show Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,1] ^ Loading history... Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,1] ^ Loading history...
94			return buffer.T if self._order == 'F' else buffer
95
96			@property
97			def fov(self):
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report This method should have a docstring. The coding style of this project requires that you add a docstring to this code element. Below, you find an example for methods: class SomeClass: def some_method(self): """Do x and return foo.""" If you would like to know more about docstrings, we recommend to read PEP-257: Docstring Conventions. Loading history...
98			buffer = self.__buffer[:,:,2]
			0 ignored issues – show Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,2] ^ Loading history... Coding Style introduced 2018-03-08 08:30 UTC by Report Bug Copy Issue Report Exactly one space required after comma buffer = self.__buffer[:,:,2] ^ Loading history...
99			return buffer.T if self._order == 'F' else buffer
100
101			def compute_fov(self, x, y, radius=0, light_walls=True,
			0 ignored issues – show Coding Style Naming introduced 2017-07-05 00:27 UTC by Report Bug Copy Issue Report The name `x` does not conform to the argument naming conventions (`[a-z_][a-z0-9_]{2,30}$`). This check looks for invalid names for a range of different identifiers. You can set regular expressions to which the identifiers must conform if the defaults do not match your requirements. If your project includes a Pylint configuration file, the settings contained in that file take precedence. To find out more about Pylint, please refer to their site. Loading history... Coding Style Naming introduced 2017-07-05 00:27 UTC by Report Bug Copy Issue Report The name `y` does not conform to the argument naming conventions (`[a-z_][a-z0-9_]{2,30}$`). This check looks for invalid names for a range of different identifiers. You can set regular expressions to which the identifiers must conform if the defaults do not match your requirements. If your project includes a Pylint configuration file, the settings contained in that file take precedence. To find out more about Pylint, please refer to their site. Loading history...
102			algorithm=lib.FOV_RESTRICTIVE):
103			"""Compute a field-of-view on the current instance.
104
105			Args:
106			x (int): Point of view, x-coordinate.
107			y (int): Point of view, y-coordinate.
108			radius (int): Maximum view distance from the point of view.
109
110			A value of `0` will give an infinite distance.
111			light_walls (bool): Light up walls, or only the floor.
112			algorithm (int): Defaults to tcod.FOV_RESTRICTIVE
113			"""
114			lib.TCOD_map_compute_fov(
115			self.map_c, x, y, radius, light_walls, algorithm)
116
117			def __setstate__(self, state):
118			if '_Map__buffer' not in state: # deprecated
119			# remove this check on major version update
120			self.__buffer = np.zeros((state['height'], state['width'], 3),
121			dtype=np.bool_)
122			self.__buffer[:,:,0] = state['buffer'] & 0x01
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,0] = state['buffer'] & 0x01 ^ Loading history... Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,0] = state['buffer'] & 0x01 ^ Loading history...
123			self.__buffer[:,:,1] = state['buffer'] & 0x02
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,1] = state['buffer'] & 0x02 ^ Loading history... Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,1] = state['buffer'] & 0x02 ^ Loading history...
124			self.__buffer[:,:,2] = state['buffer'] & 0x04
			0 ignored issues – show Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,2] = state['buffer'] & 0x04 ^ Loading history... Coding Style introduced 2017-07-19 11:15 UTC by Report Bug Copy Issue Report Exactly one space required after comma self.__buffer[:,:,2] = state['buffer'] & 0x04 ^ Loading history...
125			del state['buffer']
126			state['_order'] = 'F'
127			if '_order' not in state: # remove this check on major version update
128			raise RuntimeError(
129			'This Map was saved with a bad version of tdl.')
130			self.__dict__.update(state)
131			self.map_c = self.__as_cdata()
132
133			def __getstate__(self):
134			state = self.__dict__.copy()
135			del state['map_c']
136			return state
137

HexDecimal / python-tdl

Map.compute_fov() A last analyzed 2018-06-24 08:14 UTC

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Map.compute_fov() A
last analyzed 2018-06-24 08:14 UTC

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