Mercurial > nagslang

annotate nagslang/level.py @ 201:3495a2025bc6

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Break puzzlers out of game_object.py
author Stefano Rivera <stefano@rivera.za.net>
date Tue, 03 Sep 2013 23:27:25 +0200
parents 34c11bb5c96e
children ad1d3de210cd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
1 import pygame
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
2 import pygame.locals as pgl
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
3
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
4 from nagslang import game_object as go
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
5 from nagslang import enemies
201
3495a2025bc6 Break puzzlers out of game_object.py
Stefano Rivera <stefano@rivera.za.net>
parents: 197
diff changeset
6 from nagslang import puzzle
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
7 from nagslang.resources import resources
139
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
8 from nagslang.yamlish import load, dump
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
9
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
10 POLY_COLORS = {
53
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
11 1: pygame.color.THECOLORS['red'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
12 2: pygame.color.THECOLORS['green'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
13 3: pygame.color.THECOLORS['yellow'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
14 4: pygame.color.THECOLORS['blue'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
15 5: pygame.color.THECOLORS['lightblue'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
16 6: pygame.color.THECOLORS['magenta'],
39d346467052 Draw all the walls.
Simon Cross <hodgestar@gmail.com>
parents: 50
diff changeset
17 }
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
18
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
19
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
20 LINE_COLOR = pygame.color.THECOLORS['orange']
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
21
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
22
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
23 class Level(object):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
24
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
25 def __init__(self, name):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
26 self.name = name
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
27 # defaults
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
28 self.x = 800
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
29 self.y = 600
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
30 self.polygons = {}
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
31 self.lines = []
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
32 self.basetile = 'tiles/floor.png'
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
33 self._tile_image = None
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
34 self._surface = None
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
35 self._exterior = False
201
3495a2025bc6 Break puzzlers out of game_object.py
Stefano Rivera <stefano@rivera.za.net>
parents: 197
diff changeset
36 self._glue = puzzle.PuzzleGlue()
191
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
37 self.drawables = []
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
38 self.overlay_drawables = []
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
39 self._game_objects = []
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
40 self._enemies = []
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
41
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
42 def _get_data(self):
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
43 # For overriding in tests.
75
79748a884eb5 Put levels in a levels directory
Stefano Rivera <stefano@rivera.za.net>
parents: 72
diff changeset
44 with resources.get_file('levels', self.name) as f:
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
45 return load(f)
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
46
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
47 def _dump_data(self, f):
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
48 # For manipulation in tests.
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
49 dump({
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
50 'size': [self.x, self.y],
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
51 'base_tile': self.basetile,
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
52 'polygons': self.polygons,
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
53 'lines': self.lines,
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
54 'game_objects': self._game_objects,
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
55 'enemies': self._enemies,
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
56 }, f)
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
57
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
58 def load(self, space):
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
59 data = self._get_data()
139
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
60 self.x, self.y = data['size']
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
61 self.base_tile = data['base_tile']
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
62 for i, points in data['polygons'].iteritems():
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
63 self.polygons[i] = []
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
64 for point in points:
d1f543ff0805 YAML levels
Stefano Rivera <stefano@rivera.za.net>
parents: 122
diff changeset
65 self.polygons[i].append(tuple(point))
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
66 self.lines = data.get('lines', [])
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
67 self._game_objects = data.get('game_objects', [])
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
68 for game_object_dict in self._game_objects:
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
69 self._create_game_object(space, **game_object_dict)
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
70 self._enemies = data.get('enemies', [])
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
71 for enemy_dict in self._enemies:
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
72 self._create_enemy(space, **enemy_dict)
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
73
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
74 def _create_game_object(self, space, classname, args, name=None):
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
75 # We should probably build a registry of game objects or something.
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
76 # At least this is better than just calling `eval`, right?
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
77 cls = getattr(go, classname)
201
3495a2025bc6 Break puzzlers out of game_object.py
Stefano Rivera <stefano@rivera.za.net>
parents: 197
diff changeset
78 if issubclass(cls, puzzle.Puzzler):
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
79 gobj = cls(*args)
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
80 elif issubclass(cls, go.GameObject):
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
81 gobj = cls(space, *args)
191
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
82 self.drawables.append(gobj)
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
83 if gobj.overlay:
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
84 self.overlay_drawables.append(gobj.overlay)
145
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
85 else:
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
86 raise TypeError(
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
87 "Expected a subclass of Puzzler or GameObject, got %s" % (
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
88 classname))
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
89 if name is not None:
0c49627920eb Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents: 139
diff changeset
90 self._glue.add_component(name, gobj)
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
91
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
92 def _create_enemy(self, space, classname, args, name=None):
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
93 cls = getattr(enemies, classname)
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
94 if issubclass(cls, go.GameObject):
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
95 gobj = cls(space, *args)
191
e080fcd07fa9 Overlay notes
Stefano Rivera <stefano@rivera.za.net>
parents: 168
diff changeset
96 self.drawables.append(gobj)
168
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
97 else:
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
98 raise TypeError(
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
99 "Expected a subclass of GameObject, got %s" % (
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
100 classname))
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
101 if name is not None:
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
102 self._glue.add_component(name, gobj)
ce8d4fc3baf4 A patrolling alien
Neil Muller <drnlmuller@gmail.com>
parents: 164
diff changeset
103
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
104 def all_closed(self):
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
105 """Check if all the polygons are closed"""
72
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
106 closed = True
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
107 messages = []
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
108 for index, poly in self.polygons.items():
72
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
109 if len(poly) == 0:
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
110 # We ignore empty polygons
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
111 continue
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
112 elif len(poly) == 1:
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
113 closed = False
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
114 messages.append("Error: polygon %s too small" % index)
72
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
115 elif poly[-1] != poly[0]:
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
116 closed = False
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
117 messages.append("Error: polygon %s not closed" % index)
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
118 return closed, messages
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
119
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
120 def save(self):
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
121 closed, _ = self.all_closed()
72
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
122 if not closed:
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
123 return False
75
79748a884eb5 Put levels in a levels directory
Stefano Rivera <stefano@rivera.za.net>
parents: 72
diff changeset
124 with resources.get_file('levels', self.name, mode='w') as f:
164
06c681ff53aa Round-tripping through load/save shouldn't discard objects
Neil Muller <drnlmuller@gmail.com>
parents: 145
diff changeset
125 self._dump_data(f)
122
02423600d958 Use dialogs to report save results
Neil Muller <drnlmuller@gmail.com>
parents: 118
diff changeset
126 return True
72
5db052531510 Move save() to Level
Stefano Rivera <stefano@rivera.za.net>
parents: 54
diff changeset
127
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
128 def get_size(self):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
129 return self.x, self.y
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
130
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
131 def set_base_tile(self, new_tile):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
132 self.basetile = new_tile
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
133 self._tile_image = None
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
134
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
135 def point_to_pygame(self, pos):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
136 # Convert a point from pymunk (which is what we store)
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
137 # to pygame for drawing
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
138 return (pos[0], self.y - pos[1])
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
139
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
140 def get_walls(self):
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
141 walls = self.polygons.values()
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
142 walls.extend(self.lines)
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
143 return walls
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
144
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
145 def _draw_walls(self):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
146 for index, polygon in self.polygons.items():
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
147 color = POLY_COLORS[index]
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
148 if len(polygon) > 1:
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
149 pointlist = [self.point_to_pygame(p) for p in polygon]
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
150 pygame.draw.lines(self._surface, color, False, pointlist, 2)
197
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
151 for line in self.lines:
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
152 pointlist = [self.point_to_pygame(p) for p in line]
34c11bb5c96e Interior walls.
Jeremy Thurgood <firxen@gmail.com>
parents: 191
diff changeset
153 pygame.draw.lines(self._surface, LINE_COLOR, False, pointlist, 2)
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
154
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
155 def get_background(self):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
156 self._draw_background()
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
157 self._draw_exterior()
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
158 # Draw polygons
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
159 self._draw_walls()
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
160 return self._surface
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
161
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
162 def _draw_exterior(self, force=False):
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
163 """Fill the exterior of the level with black"""
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
164 if self._exterior and not force:
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
165 return
118
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
166 white = pygame.color.THECOLORS['white']
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
167 black = pygame.color.THECOLORS['black']
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
168 surface = pygame.surface.Surface((self.x, self.y), pgl.SRCALPHA)
118
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
169 surface.fill(black)
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
170 for index, polygon in self.polygons.items():
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
171 if len(polygon) > 1:
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
172 pointlist = [self.point_to_pygame(p) for p in polygon]
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
173 # filled polygons
118
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
174 color = white
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
175 # If a polygon overlaps on of the existing polygons,
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
176 # it is treated as negative
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
177 # This is not a complete inversion, since any overlap
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
178 # triggers this (inversion is easy enough, but the
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
179 # behaviour doesn't seem useful)
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
180 # We also only check the vertexes - not breaking this
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
181 # assumption is left to the level designers
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
182 surface.lock()
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
183 for p in pointlist:
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
184 if surface.get_at(p) == white:
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
185 color = black
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
186 surface.unlock()
c02a99502a90 Tweak 'draw exterior' logic to handle surrounded polygons better
Neil Muller <drnlmuller@gmail.com>
parents: 98
diff changeset
187 pygame.draw.polygon(surface, color, pointlist, 0)
95
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
188 self._surface.blit(surface, (0, 0), special_flags=pgl.BLEND_RGBA_MULT)
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
189 self._exterior = True
ecba9550ad8d Fill the exterior with the blackness of space
Neil Muller <drnlmuller@gmail.com>
parents: 75
diff changeset
190
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
191 def _draw_background(self, force=False):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
192 if self._tile_image is None:
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
193 self._tile_image = resources.get_image(self.basetile)
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
194 if self._surface is not None and not force:
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
195 # We assume we don't change
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
196 return self._surface
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
197 self._surface = pygame.surface.Surface((self.x, self.y), pgl.SRCALPHA)
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
198 self._surface.fill(pygame.color.THECOLORS['black'])
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
199 x_step = self._tile_image.get_rect().width
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
200 y_step = self._tile_image.get_rect().height
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
201 x_count = self.x // x_step + 1
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
202 y_count = self.y / y_step + 1
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
203 for x in range(x_count):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
204 for y in range(y_count):
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
205 tile_rect = pygame.rect.Rect(x * x_step, y * y_step,
98
93256a0987a2 Fix newer pep8 continuation complaint
Neil Muller <drnlmuller@gmail.com>
parents: 95
diff changeset
206 x_step, y_step)
50
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
207 self._surface.blit(self._tile_image, tile_rect)
94d47bfcc7bb Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
diff changeset
208 return self._surface