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0
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1 void
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2 SimpleEngine::init(int width, int height, int bpp)
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3 {
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4 if(SDL_Init( SDL_INIT_VIDEO ) < 0)
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5 {
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6 cout << "Couldn't initialize SDL:" << SDL_GetError() << endl;
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7 exit(1);
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8 }
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9
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10 // etc...
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11 }
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12
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13 TaskDepend
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14 SimpleEngine::update_all(SceneGraph* next, SceneGraph* now, TaskDepend wait)
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15 {
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16 SceneGraph *t, *nt;
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17 t = now;
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18 nt = next;
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19
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20 //glPushMatrix();
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21 int s=0;
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22 while(t)
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23 {
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24 //t->draw(stack);
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25 t->update(t->data_pack, nt->data_pack);
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26 if(t->child != NULL)
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27 {
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28 stack[s++] = t->matrix; //push
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29 t = t->child;
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30 }
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31 else if(t->brother != NULL)
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32 {
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33 stack[--s] = NULL; //pop
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34 stack[s++] = t->matrix; //push
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35 t = t->brother;
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36 }
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37 else
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38 {
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39 while(t)
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40 {
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41 if(t->brother != NULL)
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42 {
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43 stack[--s] = NULL; //pop
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44 stack[s++] = t->matrix; //push
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45 t = t->brother;
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46 break;
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47 }
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48 else
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49 {
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50 t = t->parent;
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51 if(t)
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52 {
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53 stack[--s] = NULL; //pop
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54 }
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55 }
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56 }
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57 }
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58 }
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59 //glPopMatrix();
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60 }
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61
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62 TaskDepend
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63 SimpleEngin::draw_all(SceneGraph* now, TaskDepend wait)
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64 {
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65 Polygon *t;
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66
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67 t = this;
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68
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69 //glPushMatrix();
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70 int s=0;
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71 while(t)
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72 {
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73 t->draw(stack);
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74 if(t->child != NULL)
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75 {
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76 stack[s++] = t->matrix; //push
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77 t = t->child;
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78 }
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79 else if(t->brother != NULL)
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80 {
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81 stack[--s] = NULL; //pop
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82 stack[s++] = t->matrix; //push
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83 t = t->brother;
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84 }
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85 else
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86 {
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87 while(t)
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88 {
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89 if(t->brother != NULL)
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90 {
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91 stack[--s] = NULL; //pop
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92 stack[s++] = t->matrix; //push
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93 t = t->brother;
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94 break;
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95 }
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96 else
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97 {
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98 t = t->parent;
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99 if(t)
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100 {
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101 stack[--s] = NULL; //pop
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102 }
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103 }
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104 }
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105 }
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106 }
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107 //glPopMatrix();
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108 }
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