Mercurial > touhou

comparison pytouhou/game/sprite.py @ 15:07fba4e1da65

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Refactor
author Thibaut Girka <thib@sitedethib.com>
date Fri, 05 Aug 2011 21:21:06 +0200
parents
children d940d004b840
comparison
equal deleted inserted replaced
14:07a7f28c8aaa 15:07fba4e1da65
1 from struct import unpack
2
3 from pytouhou.utils.matrix import Matrix
4
5 class Sprite(object):
6 def __init__(self, anm, script_index):
7 self.anm = anm
8 self.script_index = script_index
9 self.texcoords = (0, 0, 0, 0) # x, y, width, height
10 self.mirrored = False
11 self.rescale = (1., 1.)
12 self.rotations_3d = (0., 0., 0.)
13 self.corner_relative_placement = False
14 self._uvs = []
15 self._vertices = []
16
17
18 def update_uvs_vertices(self, override_width=0, override_height=0):
19 vertmat = Matrix()
20 vertmat.data[0][0] = -.5
21 vertmat.data[1][0] = -.5
22
23 vertmat.data[0][1] = .5
24 vertmat.data[1][1] = -.5
25
26 vertmat.data[0][2] = .5
27 vertmat.data[1][2] = .5
28
29 vertmat.data[0][3] = -.5
30 vertmat.data[1][3] = .5
31
32 for i in range(4):
33 vertmat.data[2][i] = 0.
34 vertmat.data[3][i] = 1.
35
36 tx, ty, tw, th = self.texcoords
37 sx, sy = self.rescale
38 width = override_width or (tw * sx)
39 height = override_height or (th * sy)
40
41 transform = Matrix.get_scaling_matrix(width, height, 1.)
42 if self.mirrored:
43 transform = Matrix.get_scaling_matrix(-1., 1., 1.).mult(transform)
44 if self.rotations_3d != (0., 0., 0.):
45 rx, ry, rz = self.rotations_3d
46 transform = Matrix.get_rotation_matrix(-rx, 'x').mult(transform)
47 transform = Matrix.get_rotation_matrix(ry, 'y').mult(transform)
48 transform = Matrix.get_rotation_matrix(-rz, 'z').mult(transform) #TODO: minus, really?
49 if self.corner_relative_placement: # Reposition
50 transform = Matrix.get_translation_matrix(width / 2., height / 2., 0.).mult(transform)
51 vertmat = transform.mult(vertmat)
52
53 uvs = [(tx / self.anm.size[0], 1. - (ty / self.anm.size[1])),
54 ((tx + tw) / self.anm.size[0], 1. - (ty / self.anm.size[1])),
55 ((tx + tw) / self.anm.size[0], 1. - ((ty + th) / self.anm.size[1])),
56 (tx / self.anm.size[0], 1. - ((ty + th) / self.anm.size[1]))]
57
58 vertices = []
59 for i in xrange(4):
60 w = vertmat.data[3][i]
61 vertices.append((vertmat.data[0][i] / w,
62 vertmat.data[1][i] / w,
63 vertmat.data[2][i] / w))
64
65 self._uvs, self._vertices = uvs, vertices
66
67
68
69 def update(self, frame, override_width=0, override_height=0):
70 properties = {}
71 for time, instr_type, data in self.anm.scripts[self.script_index]:
72 if time == frame:
73 if instr_type == 15: #Return
74 break
75 else:
76 properties[instr_type] = data
77 if properties:
78 if 1 in properties:
79 self.texcoords = self.anm.sprites[unpack('<I', properties[1])[0]]
80 del properties[1]
81 if 2 in properties:
82 self.rescale = unpack('<ff', properties[2])
83 del properties[2]
84 if 7 in properties:
85 self.mirrored = True #TODO
86 del properties[7]
87 if 9 in properties:
88 self.rotations_3d = unpack('<fff', properties[9])
89 del properties[9]
90 if 23 in properties:
91 self.corner_relative_placement = True #TODO
92 del properties[23]
93 if properties:
94 print('Leftover properties: %r' % properties) #TODO
95 self.update_uvs_vertices(override_width, override_height)
96 return True
97 return False
98