Mercurial > nagslang
annotate nagslang/screens/area.py @ 145:0c49627920eb
Load game objects from level.
author | Jeremy Thurgood <firxen@gmail.com> |
---|---|
date | Mon, 02 Sep 2013 23:05:25 +0200 |
parents | deac6a4008e7 |
children | fff8e14858b4 |
rev | line source |
---|---|
18 | 1 """Display a game area.""" |
2 | |
20 | 3 import pygame |
21 | 4 import pymunk |
5 import pymunk.pygame_util | |
20 | 6 |
107 | 7 from nagslang.constants import ZORDER_HIGH |
65
a99ac95a2940
Move protagonist object to the right place.
Jeremy Thurgood <firxen@gmail.com>
parents:
64
diff
changeset
|
8 from nagslang.events import ScreenChange |
140 | 9 from nagslang.game_object import ( |
10 FloorSwitch, FloorLight, PuzzleGlue, Box, StateLogicalAndPuzzler) | |
50
94d47bfcc7bb
Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
47
diff
changeset
|
11 from nagslang.level import Level |
65
a99ac95a2940
Move protagonist object to the right place.
Jeremy Thurgood <firxen@gmail.com>
parents:
64
diff
changeset
|
12 from nagslang.protagonist import Protagonist |
a99ac95a2940
Move protagonist object to the right place.
Jeremy Thurgood <firxen@gmail.com>
parents:
64
diff
changeset
|
13 from nagslang.screens.base import Screen |
18 | 14 |
83 | 15 |
34 | 16 class ControlKeys(object): |
100
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
17 direction_keys = { |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
18 (0, 1): set([pygame.locals.K_UP, pygame.locals.K_w]), |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
19 (0, -1): set([pygame.locals.K_DOWN, pygame.locals.K_s]), |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
20 (-1, 0): set([pygame.locals.K_LEFT, pygame.locals.K_a]), |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
21 (1, 0): set([pygame.locals.K_RIGHT, pygame.locals.K_d]), |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
22 } |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
23 |
34 | 24 def __init__(self): |
25 self.keys_down = set() | |
26 | |
27 def key_down(self, key): | |
28 self.keys_down.add(key) | |
29 | |
30 def key_up(self, key): | |
31 self.keys_down.discard(key) | |
32 | |
33 def handle_event(self, ev): | |
34 if ev.type == pygame.locals.KEYDOWN: | |
35 self.key_down(ev.key) | |
36 elif ev.type == pygame.locals.KEYUP: | |
37 self.key_up(ev.key) | |
38 | |
100
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
39 def get_direction(self): |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
40 dx, dy = 0, 0 |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
41 for (tx, ty), keys in self.direction_keys.iteritems(): |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
42 if self.keys_down & keys: |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
43 dx += tx |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
44 dy += ty |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
45 return (dx, dy) |
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
46 |
34 | 47 |
107 | 48 class Drawables(object): |
49 def __init__(self): | |
50 self._drawables = {} | |
51 | |
52 def add(self, drawable): | |
53 self._drawables.setdefault(drawable.zorder, []).append(drawable) | |
54 | |
55 def remove(self, drawable): | |
56 self._drawables[drawable.zorder].remove(drawable) | |
57 | |
58 def get_drawables(self): | |
59 for zorder in sorted(self._drawables): | |
60 for drawable in self._drawables[zorder]: | |
61 yield drawable | |
62 | |
63 __iter__ = get_drawables | |
64 | |
65 | |
18 | 66 class AreaScreen(Screen): |
21 | 67 |
37
4140780c21bc
Give screens a name and a world.
Simon Cross <hodgestar@gmail.com>
parents:
35
diff
changeset
|
68 def setup(self): |
34 | 69 self.keys = ControlKeys() |
50
94d47bfcc7bb
Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
47
diff
changeset
|
70 self._level = Level(self.name) |
145
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
71 self._level.load(self.space) |
107 | 72 self._drawables = Drawables() |
37
4140780c21bc
Give screens a name and a world.
Simon Cross <hodgestar@gmail.com>
parents:
35
diff
changeset
|
73 self.add_walls() |
4140780c21bc
Give screens a name and a world.
Simon Cross <hodgestar@gmail.com>
parents:
35
diff
changeset
|
74 self.add_protagonist() |
145
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
75 self.add_game_objects() |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
76 # self._setup_demo_objects() |
133 | 77 |
78 def _setup_demo_objects(self): | |
79 # TODO: Put this in a level instead | |
106
bce9cd8a4a8c
FloorLight, linked to a FloorSwitch.
Jeremy Thurgood <firxen@gmail.com>
parents:
105
diff
changeset
|
80 glue = PuzzleGlue() |
bce9cd8a4a8c
FloorLight, linked to a FloorSwitch.
Jeremy Thurgood <firxen@gmail.com>
parents:
105
diff
changeset
|
81 switch = FloorSwitch(self.space, (300, 400)) |
140 | 82 switch2 = FloorSwitch(self.space, (300, 600)) |
106
bce9cd8a4a8c
FloorLight, linked to a FloorSwitch.
Jeremy Thurgood <firxen@gmail.com>
parents:
105
diff
changeset
|
83 light = FloorLight(self.space, (300, 500), 'switch') |
140 | 84 light2 = FloorLight(self.space, (250, 500), 'both_switches') |
107 | 85 light2.zorder = ZORDER_HIGH |
145
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
86 glue.add_component('switch', switch) |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
87 glue.add_component('switch2', switch2) |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
88 glue.add_component('light', light) |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
89 glue.add_component('light2', light2) |
140 | 90 glue.add_component( |
91 'both_switches', StateLogicalAndPuzzler('switch', 'switch2')) | |
107 | 92 self._drawables.add(switch) |
140 | 93 self._drawables.add(switch2) |
107 | 94 self._drawables.add(light) |
95 self._drawables.add(light2) | |
133 | 96 box = Box(self.space, (250, 350)) |
97 self._drawables.add(box) | |
21 | 98 |
37
4140780c21bc
Give screens a name and a world.
Simon Cross <hodgestar@gmail.com>
parents:
35
diff
changeset
|
99 def add_walls(self): |
21 | 100 self.walls = [] |
101 body = pymunk.Body() | |
84
ef8e799477e0
Point pymunk at a screen surface, not the display to make things saner
Neil Muller <drnlmuller@gmail.com>
parents:
83
diff
changeset
|
102 body.position = (0, 0) |
53 | 103 walls = self._level.get_walls() |
104 for wall in walls: | |
105 corners = wall | |
106 corner = corners[-1] | |
107 for next_corner in corners: | |
108 wall = pymunk.Segment(body, corner, next_corner, 5) | |
109 wall.elasticity = 1.0 | |
110 self.walls.append(wall) | |
111 corner = next_corner | |
21 | 112 self.space.add(*self.walls) |
113 | |
145
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
114 def add_game_objects(self): |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
115 for drawable in self._level.get_drawables(): |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
116 self._drawables.add(drawable) |
0c49627920eb
Load game objects from level.
Jeremy Thurgood <firxen@gmail.com>
parents:
143
diff
changeset
|
117 |
37
4140780c21bc
Give screens a name and a world.
Simon Cross <hodgestar@gmail.com>
parents:
35
diff
changeset
|
118 def add_protagonist(self): |
93
d6a49f0c1e6e
Rectangular human protagonist shape, refactored physicsers.
Jeremy Thurgood <firxen@gmail.com>
parents:
92
diff
changeset
|
119 self.protagonist = Protagonist(self.space, (350, 300)) |
107 | 120 self._drawables.add(self.protagonist) |
21 | 121 |
18 | 122 def handle_event(self, ev): |
20 | 123 if ev.type == pygame.locals.KEYDOWN: |
124 if ev.key == pygame.locals.K_ESCAPE: | |
125 ScreenChange.post('menu') | |
97
c177cdc41477
Add WASD controls, switch to "c" for form change.
Jeremy Thurgood <firxen@gmail.com>
parents:
93
diff
changeset
|
126 if ev.key == pygame.locals.K_c: |
47
82036437ebf6
Better movement and swap between werewolf and human form with 'w' (hodgestar, decoy).
Simon Cross <hodgestar@gmail.com>
parents:
37
diff
changeset
|
127 self.protagonist.toggle_form() |
34 | 128 self.keys.handle_event(ev) |
18 | 129 |
87 | 130 def _calc_viewport(self, level_surface, display_surface): |
131 level_size = level_surface.get_size() | |
132 display_size = display_surface.get_size() | |
93
d6a49f0c1e6e
Rectangular human protagonist shape, refactored physicsers.
Jeremy Thurgood <firxen@gmail.com>
parents:
92
diff
changeset
|
133 protagnist_pos = self.protagonist.physicser.get_render_position( |
127
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
134 level_surface) |
87 | 135 x_wide = display_size[0] // 2 |
136 y_wide = display_size[1] // 2 | |
127
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
137 if display_size[0] > level_size[0]: |
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
138 x = -(display_size[0] - level_size[0]) // 2 |
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
139 elif protagnist_pos[0] < x_wide: |
87 | 140 x = 0 |
141 elif protagnist_pos[0] > level_size[0] - x_wide: | |
142 x = level_size[0] - display_size[0] | |
143 else: | |
144 x = protagnist_pos[0] - x_wide | |
127
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
145 if display_size[1] > level_size[1]: |
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
146 y = -(display_size[1] - level_size[1]) // 2 |
fe1f0bb4ecf0
Handle case of display larger than the level better
Neil Muller <drnlmuller@gmail.com>
parents:
107
diff
changeset
|
147 elif protagnist_pos[1] < y_wide: |
87 | 148 y = 0 |
149 elif protagnist_pos[1] > level_size[1] - y_wide: | |
150 y = level_size[1] - display_size[1] | |
151 else: | |
152 y = protagnist_pos[1] - y_wide | |
153 return pygame.rect.Rect(x, y, display_size[0], display_size[1]) | |
154 | |
18 | 155 def render(self, surface): |
50
94d47bfcc7bb
Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
47
diff
changeset
|
156 #surface.fill(pygame.color.Color(0, 0, 0)) |
94d47bfcc7bb
Approximate levels and walls
Neil Muller <drnlmuller@gmail.com>
parents:
47
diff
changeset
|
157 background = self._level.get_background() |
84
ef8e799477e0
Point pymunk at a screen surface, not the display to make things saner
Neil Muller <drnlmuller@gmail.com>
parents:
83
diff
changeset
|
158 mysurface = background.copy() |
105
0131e4606e1a
List of drawables in area.
Jeremy Thurgood <firxen@gmail.com>
parents:
100
diff
changeset
|
159 for drawable in self._drawables: |
0131e4606e1a
List of drawables in area.
Jeremy Thurgood <firxen@gmail.com>
parents:
100
diff
changeset
|
160 drawable.render(mysurface) |
87 | 161 render_rect = self._calc_viewport(mysurface, surface) |
162 surface.blit(mysurface, (0, 0), render_rect) | |
34 | 163 |
164 def tick_protagonist(self): | |
100
96bdfadeb461
Cleaner direction key management.
Jeremy Thurgood <firxen@gmail.com>
parents:
97
diff
changeset
|
165 dx, dy = self.keys.get_direction() |
47
82036437ebf6
Better movement and swap between werewolf and human form with 'w' (hodgestar, decoy).
Simon Cross <hodgestar@gmail.com>
parents:
37
diff
changeset
|
166 self.protagonist.set_direction(dx, dy) |
34 | 167 |
168 def tick(self, seconds): | |
169 self.tick_protagonist() | |
143
deac6a4008e7
Hook up protagnist animations
Neil Muller <drnlmuller@gmail.com>
parents:
140
diff
changeset
|
170 for drawable in self._drawables: |
deac6a4008e7
Hook up protagnist animations
Neil Muller <drnlmuller@gmail.com>
parents:
140
diff
changeset
|
171 drawable.animate() |
34 | 172 super(AreaScreen, self).tick(seconds) |