Mercurial > nagslang
annotate nagslang/screens/area.py @ 106:bce9cd8a4a8c
FloorLight, linked to a FloorSwitch.
author | Jeremy Thurgood <firxen@gmail.com> |
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date | Mon, 02 Sep 2013 13:48:24 +0200 |
parents | 0131e4606e1a |
children | b90d01e4d9d4 |
rev | line source |
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18 | 1 """Display a game area.""" |
2 | |
20 | 3 import pygame |
21 | 4 import pymunk |
5 import pymunk.pygame_util | |
20 | 6 |
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7 from nagslang.events import ScreenChange |
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8 from nagslang.game_object import FloorSwitch, FloorLight, PuzzleGlue |
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9 from nagslang.level import Level |
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10 from nagslang.protagonist import Protagonist |
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11 from nagslang.screens.base import Screen |
18 | 12 |
83 | 13 |
34 | 14 class ControlKeys(object): |
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15 direction_keys = { |
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16 (0, 1): set([pygame.locals.K_UP, pygame.locals.K_w]), |
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17 (0, -1): set([pygame.locals.K_DOWN, pygame.locals.K_s]), |
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18 (-1, 0): set([pygame.locals.K_LEFT, pygame.locals.K_a]), |
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19 (1, 0): set([pygame.locals.K_RIGHT, pygame.locals.K_d]), |
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20 } |
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21 |
34 | 22 def __init__(self): |
23 self.keys_down = set() | |
24 | |
25 def key_down(self, key): | |
26 self.keys_down.add(key) | |
27 | |
28 def key_up(self, key): | |
29 self.keys_down.discard(key) | |
30 | |
31 def handle_event(self, ev): | |
32 if ev.type == pygame.locals.KEYDOWN: | |
33 self.key_down(ev.key) | |
34 elif ev.type == pygame.locals.KEYUP: | |
35 self.key_up(ev.key) | |
36 | |
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37 def get_direction(self): |
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38 dx, dy = 0, 0 |
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39 for (tx, ty), keys in self.direction_keys.iteritems(): |
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40 if self.keys_down & keys: |
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41 dx += tx |
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42 dy += ty |
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43 return (dx, dy) |
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44 |
34 | 45 |
18 | 46 class AreaScreen(Screen): |
21 | 47 |
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48 def setup(self): |
34 | 49 self.keys = ControlKeys() |
50
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50 self._level = Level(self.name) |
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51 self._level.load() |
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52 self._drawables = [] |
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53 self.add_walls() |
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54 self.add_protagonist() |
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55 # TODO: Put this in a level instead: |
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56 glue = PuzzleGlue() |
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57 switch = FloorSwitch(self.space, (300, 400)) |
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58 light = FloorLight(self.space, (300, 500), 'switch') |
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59 glue.add_component('switch', switch.puzzler) |
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60 glue.add_component('light', light.puzzler) |
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61 self._drawables.append(switch) |
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62 self._drawables.append(light) |
21 | 63 |
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64 def add_walls(self): |
21 | 65 self.walls = [] |
66 body = pymunk.Body() | |
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67 body.position = (0, 0) |
53 | 68 walls = self._level.get_walls() |
69 for wall in walls: | |
70 corners = wall | |
71 corner = corners[-1] | |
72 for next_corner in corners: | |
73 wall = pymunk.Segment(body, corner, next_corner, 5) | |
74 wall.elasticity = 1.0 | |
75 self.walls.append(wall) | |
76 corner = next_corner | |
21 | 77 self.space.add(*self.walls) |
78 | |
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79 def add_protagonist(self): |
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80 self.protagonist = Protagonist(self.space, (350, 300)) |
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81 self._drawables.append(self.protagonist) |
21 | 82 |
18 | 83 def handle_event(self, ev): |
20 | 84 if ev.type == pygame.locals.KEYDOWN: |
85 if ev.key == pygame.locals.K_ESCAPE: | |
86 ScreenChange.post('menu') | |
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87 if ev.key == pygame.locals.K_c: |
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88 self.protagonist.toggle_form() |
34 | 89 self.keys.handle_event(ev) |
18 | 90 |
87 | 91 def _calc_viewport(self, level_surface, display_surface): |
92 level_size = level_surface.get_size() | |
93 display_size = display_surface.get_size() | |
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94 protagnist_pos = self.protagonist.physicser.get_render_position( |
87 | 95 level_surface) |
96 x_wide = display_size[0] // 2 | |
97 y_wide = display_size[1] // 2 | |
98 if protagnist_pos[0] < x_wide: | |
99 x = 0 | |
100 elif protagnist_pos[0] > level_size[0] - x_wide: | |
101 x = level_size[0] - display_size[0] | |
102 else: | |
103 x = protagnist_pos[0] - x_wide | |
104 if protagnist_pos[1] < y_wide: | |
105 y = 0 | |
106 elif protagnist_pos[1] > level_size[1] - y_wide: | |
107 y = level_size[1] - display_size[1] | |
108 else: | |
109 y = protagnist_pos[1] - y_wide | |
110 return pygame.rect.Rect(x, y, display_size[0], display_size[1]) | |
111 | |
18 | 112 def render(self, surface): |
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113 #surface.fill(pygame.color.Color(0, 0, 0)) |
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114 background = self._level.get_background() |
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115 mysurface = background.copy() |
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116 for drawable in self._drawables: |
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117 drawable.render(mysurface) |
87 | 118 render_rect = self._calc_viewport(mysurface, surface) |
119 surface.blit(mysurface, (0, 0), render_rect) | |
34 | 120 |
121 def tick_protagonist(self): | |
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122 dx, dy = self.keys.get_direction() |
47
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Better movement and swap between werewolf and human form with 'w' (hodgestar, decoy).
Simon Cross <hodgestar@gmail.com>
parents:
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123 self.protagonist.set_direction(dx, dy) |
34 | 124 |
125 def tick(self, seconds): | |
126 self.tick_protagonist() | |
127 super(AreaScreen, self).tick(seconds) |