Mercurial > touhou
annotate pytouhou/game/background.py @ 71:a03d7a94b997
Add support for a few ANM instructions
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Sat, 27 Aug 2011 20:42:16 +0200 |
| parents | a142e57218a0 |
| children | 6a08f44fa01b |
| rev | line source |
|---|---|
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Add some documentation, GPLv3 headers, README and COPYING file.
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1 # -*- encoding: utf-8 -*- |
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2 ## |
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3 ## Copyright (C) 2011 Thibaut Girka <thib@sitedethib.com> |
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4 ## |
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5 ## This program is free software; you can redistribute it and/or modify |
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6 ## it under the terms of the GNU General Public License as published |
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7 ## by the Free Software Foundation; version 3 only. |
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8 ## |
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9 ## This program is distributed in the hope that it will be useful, |
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10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 ## GNU General Public License for more details. |
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13 ## |
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14 |
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15 |
| 13 | 16 from io import BytesIO |
| 17 import os | |
| 18 import struct | |
| 19 from itertools import chain | |
| 20 | |
| 21 from pytouhou.utils.interpolator import Interpolator | |
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22 from pytouhou.vm.anmrunner import ANMRunner |
| 15 | 23 from pytouhou.game.sprite import Sprite |
| 13 | 24 |
| 25 | |
| 26 class Background(object): | |
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27 def __init__(self, stage, anm_wrapper): |
| 15 | 28 self.stage = stage |
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29 self.anm_wrapper = anm_wrapper |
| 13 | 30 self.objects = [] |
| 31 self.object_instances = [] | |
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32 self.objects_by_texture = {} |
| 15 | 33 |
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34 self.position_interpolator = Interpolator((0, 0, 0)) |
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35 self.fog_interpolator = Interpolator((0, 0, 0, 0, 0)) |
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36 self.position2_interpolator = Interpolator((0, 0, 0)) |
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37 |
| 13 | 38 self.build_objects() |
| 39 self.build_object_instances() | |
| 40 | |
| 41 | |
| 42 def build_object_instances(self): | |
| 43 self.object_instances = [] | |
| 44 for obj, ox, oy, oz in self.stage.object_instances: | |
| 45 obj_id = self.stage.objects.index(obj) | |
| 46 | |
| 47 obj_instance = [] | |
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48 for face_vertices, face_uvs, face_colors in self.objects[obj_id]: |
| 13 | 49 obj_instance.append((tuple((x + ox, y + oy, z + oz) |
| 50 for x, y, z in face_vertices), | |
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51 face_uvs, |
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52 face_colors)) |
| 13 | 53 self.object_instances.append(obj_instance) |
| 54 # Z-sorting | |
| 55 def keyfunc(obj): | |
| 56 return min(z for face in obj for x, y, z in face[0]) | |
| 57 self.object_instances.sort(key=keyfunc, reverse=True) | |
| 58 | |
| 59 | |
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60 def object_instances_to_vertices_uvs_colors(self): |
| 13 | 61 vertices = tuple(vertex for obj in self.object_instances |
| 62 for face in obj for vertex in face[0]) | |
| 63 uvs = tuple(uv for obj in self.object_instances | |
| 64 for face in obj for uv in face[1]) | |
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65 colors = tuple(color for obj in self.object_instances |
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66 for face in obj for color in face[2]) |
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67 return vertices, uvs, colors |
| 13 | 68 |
| 69 | |
| 70 def build_objects(self): | |
| 71 self.objects = [] | |
| 72 for i, obj in enumerate(self.stage.objects): | |
| 73 faces = [] | |
| 15 | 74 for script_index, ox, oy, oz, width_override, height_override in obj.quads: |
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75 #TODO: per-texture rendering |
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76 sprite = Sprite() |
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77 anm_runner = ANMRunner(self.anm_wrapper, script_index, sprite) |
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78 anm_runner.run_frame() |
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79 sprite.update() |
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80 if sprite._changed: |
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81 sprite.update_vertices_uvs_colors(width_override, height_override) |
| 15 | 82 uvs, vertices = sprite._uvs, tuple((x + ox, y + oy, z + oz) for x, y, z in sprite._vertices) |
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83 colors = sprite._colors |
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84 faces.append((vertices, uvs, colors)) |
| 13 | 85 self.objects.append(faces) |
| 86 | |
| 87 | |
| 88 def update(self, frame): | |
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89 if not self.objects_by_texture: |
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90 vertices, uvs, colors = self.object_instances_to_vertices_uvs_colors() |
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91 nb_vertices = len(vertices) |
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92 vertices_format = 'f' * (3 * nb_vertices) |
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93 uvs_format = 'f' * (2 * nb_vertices) |
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94 colors_format = 'B' * (4 * nb_vertices) |
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95 vertices = struct.pack(vertices_format, *chain(*vertices)) |
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96 uvs = struct.pack(uvs_format, *chain(*uvs)) |
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97 colors = struct.pack(colors_format, *chain(*colors)) |
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98 assert len(self.anm_wrapper.anm_files) == 1 #TODO |
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99 anm = self.anm_wrapper.anm_files[0] |
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100 self.objects_by_texture = {(anm.first_name, anm.secondary_name): (nb_vertices, vertices, uvs, colors)} |
| 13 | 101 |
| 102 for frame_num, message_type, args in self.stage.script: | |
| 103 if frame_num == frame: | |
| 14 | 104 if message_type == 0: |
| 105 self.position_interpolator.set_interpolation_start(frame_num, args) | |
| 106 elif message_type == 1: | |
| 13 | 107 self.fog_interpolator.set_interpolation_end_values(args) |
| 14 | 108 elif message_type == 2: |
| 109 self.position2_interpolator.set_interpolation_end_values(args) | |
| 13 | 110 elif message_type == 3: |
| 111 duration, = args | |
| 112 self.position2_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 113 elif message_type == 4: | |
| 114 duration, = args | |
| 115 self.fog_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 116 if frame_num > frame and message_type == 0: | |
| 117 self.position_interpolator.set_interpolation_end(frame_num, args) | |
| 118 break | |
| 119 | |
| 120 self.position2_interpolator.update(frame) | |
| 121 self.fog_interpolator.update(frame) | |
| 122 self.position_interpolator.update(frame) | |
| 123 |