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comparison pytouhou/opengl/background.py @ 108:2a03940deea3

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Move everything graphical to pytouhou.opengl!
author Thibaut Girka <thib@sitedethib.com>
date Tue, 06 Sep 2011 00:26:13 +0200
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children 0313ca2c50e9
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107:5d9052b9a4e8 108:2a03940deea3
1 # -*- encoding: utf-8 -*-
2 ##
3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com>
4 ##
5 ## This program is free software; you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published
7 ## by the Free Software Foundation; version 3 only.
8 ##
9 ## This program is distributed in the hope that it will be useful,
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details.
13 ##
14
15 #TODO: lots of things
16
17 from struct import pack
18 from itertools import chain
19
20 from pytouhou.opengl.sprite import get_sprite_rendering_data
21
22 def get_background_rendering_data(background):
23 #TODO
24 try:
25 return background._rendering_data
26 except AttributeError:
27 pass
28
29 vertices = []
30 uvs = []
31 colors = []
32 for ox, oy, oz, model_id, model in background.object_instances:
33 for ox2, oy2, oz2, width_override, height_override, sprite in model:
34 key, (vertices2, uvs2, colors2) = get_sprite_rendering_data(sprite)
35 vertices.extend((x + ox + ox2, y + oy + oy2, z + oz + oz2) for x, y, z in vertices2)
36 uvs.extend(uvs2)
37 colors.extend(colors2)
38
39 nb_vertices = len(vertices)
40 vertices = pack(str(3 * nb_vertices) + 'f', *chain(*vertices))
41 uvs = pack(str(2 * nb_vertices) + 'f', *chain(*uvs))
42 colors = pack(str(4 * nb_vertices) + 'B', *chain(*colors))
43
44 background._rendering_data = [(key, (nb_vertices, vertices, uvs, colors))]
45
46 return background._rendering_data