Mercurial > touhou
annotate pytouhou/ui/opengl/sprite.pyx @ 668:140ee7de6d90
Use the correct half-size of the hitbox.
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Mon, 12 Aug 2019 15:09:53 +0200 (2019-08-12) |
parents | 016f6b937893 |
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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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15 |
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16 from libc.stdlib cimport malloc |
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17 from libc.string cimport memcpy |
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18 from libc.math cimport M_PI as pi |
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19 |
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20 from pytouhou.utils.matrix cimport Matrix, scale2d, flip, rotate_x, rotate_y, rotate_z, translate, translate2d |
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21 from .renderer cimport Texture #XXX |
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22 |
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23 |
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24 cdef Matrix default |
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25 default = Matrix(-.5, .5, .5, -.5, |
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26 -.5, -.5, .5, .5, |
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27 0, 0, 0, 0, |
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28 1, 1, 1, 1) |
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29 |
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30 |
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31 cdef RenderingData* get_sprite_rendering_data(Sprite sprite) nogil: |
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32 if sprite.changed: |
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33 render_sprite(sprite) |
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34 return <RenderingData*>sprite._rendering_data |
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35 |
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36 |
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37 def get_sprite_vertices(Sprite sprite): |
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38 if sprite.changed: |
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39 render_sprite(sprite) |
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40 data = <RenderingData*>sprite._rendering_data |
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41 return [(data.pos[0], data.pos[1], data.pos[2]), |
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42 (data.pos[3], data.pos[4], data.pos[5]), |
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43 (data.pos[6], data.pos[7], data.pos[8]), |
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44 (data.pos[9], data.pos[10], data.pos[11])] |
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45 |
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46 |
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47 cdef void render_sprite(Sprite sprite) nogil: |
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48 cdef Matrix vertmat |
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49 |
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50 if sprite._rendering_data == NULL: |
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51 sprite._rendering_data = malloc(sizeof(RenderingData)) |
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52 |
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53 data = <RenderingData*>sprite._rendering_data |
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54 memcpy(&vertmat, &default, sizeof(Matrix)) |
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55 |
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56 tx, ty, tw, th = sprite._texcoords[0], sprite._texcoords[1], sprite._texcoords[2], sprite._texcoords[3] |
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57 sx, sy = sprite._rescale[0], sprite._rescale[1] |
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58 width = sprite.width_override or (tw * sx) |
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59 height = sprite.height_override or (th * sy) |
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60 |
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61 scale2d(&vertmat, width, height) |
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62 if sprite.mirrored: |
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63 flip(&vertmat) |
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64 |
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65 rx, ry, rz = sprite._rotations_3d[0], sprite._rotations_3d[1], sprite._rotations_3d[2] |
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66 if sprite.automatic_orientation: |
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67 rz += pi/2. - sprite.angle |
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68 elif sprite.force_rotation: |
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69 rz += sprite.angle |
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70 |
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71 if rx: |
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72 rotate_x(&vertmat, -rx) |
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73 if ry: |
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74 rotate_y(&vertmat, ry) |
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75 if rz: |
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76 rotate_z(&vertmat, -rz) #TODO: minus, really? |
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77 if sprite.allow_dest_offset: |
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78 translate(&vertmat, sprite._dest_offset) |
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79 if sprite.corner_relative_placement: # Reposition |
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80 translate2d(&vertmat, width / 2, height / 2) |
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81 |
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82 memcpy(data.pos, &vertmat, 12 * sizeof(float)) |
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83 |
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84 x_1 = sprite.anm.size_inv[0] |
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85 y_1 = sprite.anm.size_inv[1] |
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86 tox, toy = sprite._texoffsets[0], sprite._texoffsets[1] |
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87 data.left = tx * x_1 + tox |
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88 data.right = (tx + tw) * x_1 + tox |
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89 data.bottom = ty * y_1 + toy |
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90 data.top = (ty + th) * y_1 + toy |
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91 |
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92 for i in range(4): |
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93 data.color[i] = sprite._color[i] |
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94 |
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95 data.key = ((<Texture>sprite.anm.texture).key << 1) | sprite.blendfunc |
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96 sprite.changed = False |