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0
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1 void
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2 RenderingEngine::init(int width, int height, int bpp)
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3 {
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4 }
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5
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6 TaskDepend
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7 RenderingEngine::update_all(SceneGraph* next, SceneGraph* now, TaskDepend wait)
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8 {
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9 SceneGraph *t, *nt;
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10 t = now;
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11 nt = next;
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12
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13 //glPushMatrix();
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14 int s=0;
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15 while(t)
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16 {
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17 //t->draw(stack);
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18 t->update(t->data_pack, nt->data_pack);
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19 if(t->child != NULL)
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20 {
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21 stack[s++] = t->matrix; //push
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22 t = t->child;
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23 }
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24 else if(t->brother != NULL)
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25 {
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26 stack[--s] = NULL; //pop
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27 stack[s++] = t->matrix; //push
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28 t = t->brother;
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29 }
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30 else
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31 {
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32 while(t)
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33 {
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34 if(t->brother != NULL)
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35 {
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36 stack[--s] = NULL; //pop
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37 stack[s++] = t->matrix; //push
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38 t = t->brother;
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39 break;
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40 }
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41 else
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42 {
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43 t = t->parent;
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44 if(t)
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45 {
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46 stack[--s] = NULL; //pop
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47 }
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48 }
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49 }
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50 }
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51 }
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52 //glPopMatrix();
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53 }
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54
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55 TaskDepend
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56 RenderingEngin::draw_all(SceneGraph* now, TaskDepend wait)
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57 {
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58 Polygon *t;
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59
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60 t = this;
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61
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62 //glPushMatrix();
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63 int s=0;
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64 while(t)
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65 {
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66 t->draw(stack);
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67 if(t->child != NULL)
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68 {
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69 stack[s++] = t->matrix; //push
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70 t = t->child;
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71 }
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72 else if(t->brother != NULL)
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73 {
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74 stack[--s] = NULL; //pop
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75 stack[s++] = t->matrix; //push
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76 t = t->brother;
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77 }
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78 else
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79 {
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80 while(t)
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81 {
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82 if(t->brother != NULL)
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83 {
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84 stack[--s] = NULL; //pop
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85 stack[s++] = t->matrix; //push
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86 t = t->brother;
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87 break;
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88 }
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89 else
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90 {
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91 t = t->parent;
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92 if(t)
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93 {
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94 stack[--s] = NULL; //pop
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95 }
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96 }
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97 }
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98 }
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99 }
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100 //glPopMatrix();
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101 }
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