Mercurial > touhou
annotate pytouhou/game/background.py @ 37:a10e3f44a883
Add alpha (anm0 instruction 3) support
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Sun, 14 Aug 2011 18:00:06 +0200 |
| parents | afa91be769ae |
| children | ab826bc29aa2 |
| rev | line source |
|---|---|
| 13 | 1 from io import BytesIO |
| 2 import os | |
| 3 import struct | |
| 4 from itertools import chain | |
| 5 | |
| 6 from pytouhou.utils.interpolator import Interpolator | |
| 15 | 7 from pytouhou.game.sprite import Sprite |
| 13 | 8 |
| 9 | |
| 10 class Background(object): | |
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11 def __init__(self, stage, anm_wrapper): |
| 15 | 12 self.stage = stage |
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13 self.anm_wrapper = anm_wrapper |
| 13 | 14 self.objects = [] |
| 15 self.object_instances = [] | |
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16 self.objects_by_texture = {} |
| 15 | 17 |
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18 self.position_interpolator = Interpolator((0, 0, 0)) |
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19 self.fog_interpolator = Interpolator((0, 0, 0, 0, 0)) |
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20 self.position2_interpolator = Interpolator((0, 0, 0)) |
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21 |
| 13 | 22 self.build_objects() |
| 23 self.build_object_instances() | |
| 24 | |
| 25 | |
| 26 def build_object_instances(self): | |
| 27 self.object_instances = [] | |
| 28 for obj, ox, oy, oz in self.stage.object_instances: | |
| 29 obj_id = self.stage.objects.index(obj) | |
| 30 | |
| 31 obj_instance = [] | |
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32 for face_vertices, face_uvs, face_colors in self.objects[obj_id]: |
| 13 | 33 obj_instance.append((tuple((x + ox, y + oy, z + oz) |
| 34 for x, y, z in face_vertices), | |
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35 face_uvs, |
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36 face_colors)) |
| 13 | 37 self.object_instances.append(obj_instance) |
| 38 # Z-sorting | |
| 39 def keyfunc(obj): | |
| 40 return min(z for face in obj for x, y, z in face[0]) | |
| 41 self.object_instances.sort(key=keyfunc, reverse=True) | |
| 42 | |
| 43 | |
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44 def object_instances_to_vertices_uvs_colors(self): |
| 13 | 45 vertices = tuple(vertex for obj in self.object_instances |
| 46 for face in obj for vertex in face[0]) | |
| 47 uvs = tuple(uv for obj in self.object_instances | |
| 48 for face in obj for uv in face[1]) | |
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parents:
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49 colors = tuple(color for obj in self.object_instances |
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50 for face in obj for color in face[2]) |
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51 return vertices, uvs, colors |
| 13 | 52 |
| 53 | |
| 54 def build_objects(self): | |
| 55 self.objects = [] | |
| 56 for i, obj in enumerate(self.stage.objects): | |
| 57 faces = [] | |
| 15 | 58 for script_index, ox, oy, oz, width_override, height_override in obj.quads: |
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59 #TODO: per-texture rendering |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
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changeset
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60 anm, sprite = self.anm_wrapper.get_sprite(script_index) |
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Don't lose time updating off-screen enemies' sprites
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61 if sprite.update(): |
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62 sprite.update_vertices_uvs_colors(width_override, height_override) |
| 15 | 63 uvs, vertices = sprite._uvs, tuple((x + ox, y + oy, z + oz) for x, y, z in sprite._vertices) |
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parents:
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64 colors = sprite._colors |
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parents:
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65 faces.append((vertices, uvs, colors)) |
| 13 | 66 self.objects.append(faces) |
| 67 | |
| 68 | |
| 69 def update(self, frame): | |
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Refactor in order to support multiple textures
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parents:
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70 if not self.objects_by_texture: |
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Thibaut Girka <thib@sitedethib.com>
parents:
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diff
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71 vertices, uvs, colors = self.object_instances_to_vertices_uvs_colors() |
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66ce9bb440ac
Refactor in order to support multiple textures
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parents:
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72 nb_vertices = len(vertices) |
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66ce9bb440ac
Refactor in order to support multiple textures
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parents:
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73 vertices_format = 'f' * (3 * nb_vertices) |
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66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
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74 uvs_format = 'f' * (2 * nb_vertices) |
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a10e3f44a883
Add alpha (anm0 instruction 3) support
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parents:
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diff
changeset
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75 colors_format = 'B' * (4 * nb_vertices) |
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66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
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76 vertices = struct.pack(vertices_format, *chain(*vertices)) |
|
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
77 uvs = struct.pack(uvs_format, *chain(*uvs)) |
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37
a10e3f44a883
Add alpha (anm0 instruction 3) support
Thibaut Girka <thib@sitedethib.com>
parents:
29
diff
changeset
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78 colors = struct.pack(colors_format, *chain(*colors)) |
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21
bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
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79 assert len(self.anm_wrapper.anm_files) == 1 #TODO |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
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80 anm = self.anm_wrapper.anm_files[0] |
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37
a10e3f44a883
Add alpha (anm0 instruction 3) support
Thibaut Girka <thib@sitedethib.com>
parents:
29
diff
changeset
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81 self.objects_by_texture = {(anm.first_name, anm.secondary_name): (nb_vertices, vertices, uvs, colors)} |
| 13 | 82 |
| 83 for frame_num, message_type, args in self.stage.script: | |
| 84 if frame_num == frame: | |
| 14 | 85 if message_type == 0: |
| 86 self.position_interpolator.set_interpolation_start(frame_num, args) | |
| 87 elif message_type == 1: | |
| 13 | 88 self.fog_interpolator.set_interpolation_end_values(args) |
| 14 | 89 elif message_type == 2: |
| 90 self.position2_interpolator.set_interpolation_end_values(args) | |
| 13 | 91 elif message_type == 3: |
| 92 duration, = args | |
| 93 self.position2_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 94 elif message_type == 4: | |
| 95 duration, = args | |
| 96 self.fog_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 97 if frame_num > frame and message_type == 0: | |
| 98 self.position_interpolator.set_interpolation_end(frame_num, args) | |
| 99 break | |
| 100 | |
| 101 self.position2_interpolator.update(frame) | |
| 102 self.fog_interpolator.update(frame) | |
| 103 self.position_interpolator.update(frame) | |
| 104 |