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annotate pytouhou/ui/sdl/sprite.pyx @ 532:dacdcca59b66

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Don’t put back the rendering data into a tuple, use a specialised struct inside Sprite to pass it to the renderer.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Thu, 19 Dec 2013 21:55:26 +0100
parents db28538cd399
children 4ce3ef053a25
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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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16 from libc.stdlib cimport malloc
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17 from libc.math cimport M_PI as pi
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20 cdef RenderingData* get_sprite_rendering_data(Sprite sprite) nogil:
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21 if sprite.changed:
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22 render_sprite(sprite)
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23 return <RenderingData*>sprite._rendering_data
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26 cdef void render_sprite(Sprite sprite) nogil:
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27 if sprite._rendering_data == NULL:
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28 sprite._rendering_data = malloc(sizeof(RenderingData))
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30 data = <RenderingData*>sprite._rendering_data
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32 x = 0
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33 y = 0
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34
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35 tx, ty, tw, th = sprite._texcoords[0], sprite._texcoords[1], sprite._texcoords[2], sprite._texcoords[3]
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36 sx, sy = sprite._rescale[0], sprite._rescale[1]
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37 width = sprite.width_override or (tw * sx)
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38 height = sprite.height_override or (th * sy)
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39
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40 rz = sprite._rotations_3d[2]
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41 if sprite.automatic_orientation:
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42 rz += pi/2. - sprite.angle
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43 elif sprite.force_rotation:
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44 rz += sprite.angle
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45
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46 if sprite.allow_dest_offset:
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47 x += sprite._dest_offset[0]
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48 y += sprite._dest_offset[1]
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49 if not sprite.corner_relative_placement: # Reposition
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50 x -= width / 2
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51 y -= height / 2
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53 data.x = <int>x
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54 data.y = <int>y
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55 data.width = <int>width
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56 data.height = <int>height
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58 x_1 = sprite.anm.size_inv[0]
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59 y_1 = sprite.anm.size_inv[1]
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60 tox, toy = sprite._texoffsets[0], sprite._texoffsets[1]
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61 data.left = tx * x_1 + tox
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62 data.right = (tx + tw) * x_1 + tox
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63 data.bottom = ty * y_1 + toy
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64 data.top = (ty + th) * y_1 + toy
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66 data.r, data.g, data.b, data.a = sprite._color[0], sprite._color[1], sprite._color[2], sprite._color[3]
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68 data.blendfunc = sprite.blendfunc
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69 data.rotation = -rz * 180 / pi
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70 data.flip = sprite.mirrored
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71
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72 sprite.changed = False