Mercurial > touhou
annotate pytouhou/game/sprite.py @ 30:e3ba2fa966f6
Various optimizations
| author | Thibaut Girka <thib@sitedethib.com> |
|---|---|
| date | Fri, 12 Aug 2011 23:47:34 +0200 |
| parents | afa91be769ae |
| children | 55973a3f1222 |
| rev | line source |
|---|---|
| 15 | 1 from struct import unpack |
| 2 | |
| 3 from pytouhou.utils.matrix import Matrix | |
| 4 | |
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Small refactoring, and Rumia \o/
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5 |
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6 class AnmWrapper(object): |
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Small refactoring, and Rumia \o/
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7 def __init__(self, anm_files): |
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Small refactoring, and Rumia \o/
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8 self.anm_files = list(anm_files) |
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Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
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9 |
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Small refactoring, and Rumia \o/
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10 def get_sprite(self, script_index): |
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Small refactoring, and Rumia \o/
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11 for anm in self.anm_files: |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
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12 if script_index in anm.scripts: |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
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13 return anm, Sprite(anm, script_index) |
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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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14 |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
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15 |
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bf225780973f
Small refactoring, and Rumia \o/
Thibaut Girka <thib@sitedethib.com>
parents:
17
diff
changeset
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16 |
| 15 | 17 class Sprite(object): |
| 18 def __init__(self, anm, script_index): | |
| 19 self.anm = anm | |
| 20 self.script_index = script_index | |
| 21 self.texcoords = (0, 0, 0, 0) # x, y, width, height | |
| 22 self.mirrored = False | |
| 23 self.rescale = (1., 1.) | |
| 24 self.rotations_3d = (0., 0., 0.) | |
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Add rotating sprite support
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25 self.rotations_speed_3d = (0., 0., 0.) |
| 15 | 26 self.corner_relative_placement = False |
| 30 | 27 self.instruction_pointer = 0 |
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Make game.sprite.Sprite use its own frame counter.
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parents:
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28 self.frame = 0 |
| 15 | 29 self._uvs = [] |
| 30 self._vertices = [] | |
| 31 | |
| 32 | |
| 33 def update_uvs_vertices(self, override_width=0, override_height=0): | |
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Massive sprite updating/matrix handling optimizations
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34 vertmat = Matrix([[-.5, .5, .5, -.5], |
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35 [-.5, -.5, .5, .5], |
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36 [ .0, .0, .0, .0], |
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parents:
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37 [ 1., 1., 1., 1.]]) |
| 15 | 38 |
| 39 tx, ty, tw, th = self.texcoords | |
| 40 sx, sy = self.rescale | |
| 41 width = override_width or (tw * sx) | |
| 42 height = override_height or (th * sy) | |
| 43 | |
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Massive sprite updating/matrix handling optimizations
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parents:
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44 vertmat.scale(width, height, 1.) |
| 15 | 45 if self.mirrored: |
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Massive sprite updating/matrix handling optimizations
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parents:
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46 vertmat.flip() |
| 15 | 47 if self.rotations_3d != (0., 0., 0.): |
| 48 rx, ry, rz = self.rotations_3d | |
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Massive sprite updating/matrix handling optimizations
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parents:
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changeset
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49 if rx: |
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f405b947624d
Massive sprite updating/matrix handling optimizations
Thibaut Girka <thib@sitedethib.com>
parents:
27
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changeset
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50 vertmat.rotate_x(-rx) |
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f405b947624d
Massive sprite updating/matrix handling optimizations
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parents:
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51 if ry: |
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f405b947624d
Massive sprite updating/matrix handling optimizations
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parents:
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52 vertmat.rotate_y(ry) |
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f405b947624d
Massive sprite updating/matrix handling optimizations
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parents:
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53 if rz: |
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f405b947624d
Massive sprite updating/matrix handling optimizations
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parents:
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54 vertmat.rotate_z(-rz) #TODO: minus, really? |
| 15 | 55 if self.corner_relative_placement: # Reposition |
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f405b947624d
Massive sprite updating/matrix handling optimizations
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parents:
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56 vertmat.translate(width / 2., height / 2., 0.) |
| 15 | 57 |
| 30 | 58 x_1 = 1. / self.anm.size[0] |
| 59 y_1 = 1. / self.anm.size[1] | |
| 60 uvs = [(tx * x_1, 1. - (ty * y_1)), | |
| 61 ((tx + tw) * x_1, 1. - (ty * y_1)), | |
| 62 ((tx + tw) * x_1, 1. - ((ty + th) * y_1)), | |
| 63 (tx * x_1, 1. - ((ty + th) * y_1))] | |
| 15 | 64 |
| 30 | 65 d = vertmat.data |
| 66 assert (d[3][0], d[3][1], d[3][2], d[3][3]) == (1., 1., 1., 1.) | |
| 67 self._uvs, self._vertices = uvs, zip(d[0], d[1], d[2]) | |
| 15 | 68 |
| 69 | |
| 70 | |
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afa91be769ae
Don't lose time updating off-screen enemies' sprites
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parents:
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71 def update(self): |
| 30 | 72 changed = False |
| 73 frame = self.frame | |
| 74 script = self.anm.scripts[self.script_index] | |
| 75 try: | |
| 76 while frame <= self.frame: | |
| 77 frame, instr_type, data = script[self.instruction_pointer] | |
| 78 if frame == self.frame: | |
| 79 changed = True | |
| 80 if instr_type == 1: | |
| 81 self.texcoords = self.anm.sprites[unpack('<I', data)[0]] | |
| 82 elif instr_type == 2: | |
| 83 self.rescale = unpack('<ff', data) | |
| 84 elif instr_type == 5: | |
| 85 self.frame, = unpack('<I', data) | |
| 86 self.instruction_pointer = 0 | |
| 87 elif instr_type == 7: | |
| 88 self.mirrored = True | |
| 89 elif instr_type == 9: | |
| 90 self.rotations_3d = unpack('<fff', data) | |
| 91 elif instr_type == 10: | |
| 92 self.rotations_speed_3d = unpack('<fff', data) | |
| 93 elif instr_type == 23: | |
| 94 self.corner_relative_placement = True #TODO | |
| 95 elif instr_type == 15: | |
| 96 self.instruction_pointer += 1 | |
| 97 break | |
| 98 else: | |
| 99 print('unhandled opcode: %d, %r' % (instr_type, data)) #TODO | |
| 100 if frame <= self.frame: | |
| 101 self.instruction_pointer += 1 | |
| 102 except IndexError: | |
| 103 pass | |
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17
d940d004b840
Make game.sprite.Sprite use its own frame counter.
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
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104 self.frame += 1 |
|
d940d004b840
Make game.sprite.Sprite use its own frame counter.
Thibaut Girka <thib@sitedethib.com>
parents:
15
diff
changeset
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105 |
| 30 | 106 ax, ay, az = self.rotations_3d |
| 107 sax, say, saz = self.rotations_speed_3d | |
| 108 self.rotations_3d = ax + sax, ay + say, az + saz | |
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27
b65d6bc55793
Add rotating sprite support
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parents:
26
diff
changeset
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109 |
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b65d6bc55793
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parents:
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changeset
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110 if self.rotations_speed_3d != (0., 0., 0.): |
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b65d6bc55793
Add rotating sprite support
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parents:
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diff
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111 return True |
| 15 | 112 |
| 30 | 113 return changed |
| 114 |