Mercurial > touhou
annotate pytouhou/game/background.py @ 29:afa91be769ae
Don't lose time updating off-screen enemies' sprites
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Fri, 12 Aug 2011 22:03:34 +0200 |
| parents | f17122405121 |
| children | a10e3f44a883 |
| 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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Small refactoring, and Rumia \o/
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parents:
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11 def __init__(self, stage, anm_wrapper): |
| 15 | 12 self.stage = stage |
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Small refactoring, and Rumia \o/
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parents:
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13 self.anm_wrapper = anm_wrapper |
| 13 | 14 self.objects = [] |
| 15 self.object_instances = [] | |
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66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
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16 self.objects_by_texture = {} |
| 15 | 17 |
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f17122405121
Basic sprite animation support
Thibaut Girka <thib@sitedethib.com>
parents:
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18 self.position_interpolator = Interpolator((0, 0, 0)) |
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f17122405121
Basic sprite animation support
Thibaut Girka <thib@sitedethib.com>
parents:
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19 self.fog_interpolator = Interpolator((0, 0, 0, 0, 0)) |
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f17122405121
Basic sprite animation support
Thibaut Girka <thib@sitedethib.com>
parents:
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changeset
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20 self.position2_interpolator = Interpolator((0, 0, 0)) |
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f17122405121
Basic sprite animation support
Thibaut Girka <thib@sitedethib.com>
parents:
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changeset
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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 = [] | |
| 32 for face_vertices, face_uvs in self.objects[obj_id]: | |
| 33 obj_instance.append((tuple((x + ox, y + oy, z + oz) | |
| 34 for x, y, z in face_vertices), | |
| 35 face_uvs)) | |
| 36 self.object_instances.append(obj_instance) | |
| 37 # Z-sorting | |
| 38 def keyfunc(obj): | |
| 39 return min(z for face in obj for x, y, z in face[0]) | |
| 40 self.object_instances.sort(key=keyfunc, reverse=True) | |
| 41 | |
| 42 | |
| 43 def object_instances_to_vertices_uvs(self): | |
| 44 vertices = tuple(vertex for obj in self.object_instances | |
| 45 for face in obj for vertex in face[0]) | |
| 46 uvs = tuple(uv for obj in self.object_instances | |
| 47 for face in obj for uv in face[1]) | |
| 48 return vertices, uvs | |
| 49 | |
| 50 | |
| 51 def build_objects(self): | |
| 52 self.objects = [] | |
| 53 for i, obj in enumerate(self.stage.objects): | |
| 54 faces = [] | |
| 15 | 55 for script_index, ox, oy, oz, width_override, height_override in obj.quads: |
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21
bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
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56 #TODO: per-texture rendering |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
|
57 anm, sprite = self.anm_wrapper.get_sprite(script_index) |
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29
afa91be769ae
Don't lose time updating off-screen enemies' sprites
Thibaut Girka <thib@sitedethib.com>
parents:
26
diff
changeset
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58 if sprite.update(): |
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afa91be769ae
Don't lose time updating off-screen enemies' sprites
Thibaut Girka <thib@sitedethib.com>
parents:
26
diff
changeset
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59 sprite.update_uvs_vertices(width_override, height_override) |
| 15 | 60 uvs, vertices = sprite._uvs, tuple((x + ox, y + oy, z + oz) for x, y, z in sprite._vertices) |
| 13 | 61 faces.append((vertices, uvs)) |
| 62 self.objects.append(faces) | |
| 63 | |
| 64 | |
| 65 def update(self, frame): | |
|
16
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
66 if not self.objects_by_texture: |
| 13 | 67 vertices, uvs = self.object_instances_to_vertices_uvs() |
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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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68 nb_vertices = len(vertices) |
|
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
69 vertices_format = 'f' * (3 * nb_vertices) |
|
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
70 uvs_format = 'f' * (2 * nb_vertices) |
|
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
71 vertices = struct.pack(vertices_format, *chain(*vertices)) |
|
66ce9bb440ac
Refactor in order to support multiple textures
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
|
72 uvs = struct.pack(uvs_format, *chain(*uvs)) |
|
21
bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
|
73 assert len(self.anm_wrapper.anm_files) == 1 #TODO |
|
bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
|
74 anm = self.anm_wrapper.anm_files[0] |
|
bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
|
75 self.objects_by_texture = {(anm.first_name, anm.secondary_name): (nb_vertices, vertices, uvs)} |
| 13 | 76 |
| 77 for frame_num, message_type, args in self.stage.script: | |
| 78 if frame_num == frame: | |
| 14 | 79 if message_type == 0: |
| 80 self.position_interpolator.set_interpolation_start(frame_num, args) | |
| 81 elif message_type == 1: | |
| 13 | 82 self.fog_interpolator.set_interpolation_end_values(args) |
| 14 | 83 elif message_type == 2: |
| 84 self.position2_interpolator.set_interpolation_end_values(args) | |
| 13 | 85 elif message_type == 3: |
| 86 duration, = args | |
| 87 self.position2_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 88 elif message_type == 4: | |
| 89 duration, = args | |
| 90 self.fog_interpolator.set_interpolation_end_frame(frame_num + duration) | |
| 91 if frame_num > frame and message_type == 0: | |
| 92 self.position_interpolator.set_interpolation_end(frame_num, args) | |
| 93 break | |
| 94 | |
| 95 self.position2_interpolator.update(frame) | |
| 96 self.fog_interpolator.update(frame) | |
| 97 self.position_interpolator.update(frame) | |
| 98 |