annotate Renderer/Engine/SceneGraphIterator.cc @ 0:04e28d8d3c6f

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author Daiki KINJYO <e085722@ie.u-ryukyu.ac.jp>
date Mon, 08 Nov 2010 01:23:25 +0900
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1 #include "SceneGraphIterator.h"
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2
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3 void
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4 SceneGraphIterator::set(SceneGraphPtr _list)
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5 {
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6 list = cur = _list;
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7 }
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8
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9 /**
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10 * 次の SceneGraph があるか返す
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11 *
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12 * @retval 1 next がある
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13 * @retval 0 next がない
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14 */
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15 int
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16 SceneGraphIterator::hasNext(void)
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17 {
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18 return (cur->next) ? 1 : 0;
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19 }
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20
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21 /**
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22 * 指定した名前をもつ SceneGraph が以降存在するか
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23 *
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24 * @param id 検索したい SceneGraph の ID
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25 * @retval 1 next がある
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26 * @retval 0 next がない
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27 */
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28 int
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29 SceneGraphIterator::hasNext(int id)
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30 {
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31 SceneGraphPtr p;
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32
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33 for (p = cur->next; p; p = p->next) {
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34 if (p->sgid == id) {
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35 return 1;
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36 }
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37 }
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38
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39 return 0;
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40 }
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41
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42 /*!
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43 指定したグループが以降存在するか
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44
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45 @param id 検索したい Group の ID
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46 @retval 1 next がある
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47 @retval 0 next がない
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48 */
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49 int
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50 SceneGraphIterator::hasNextGroup(int id)
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51 {
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52 SceneGraphPtr p;
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53 for (p = cur->next; p; p = p->next) {
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54 if (p->gid == id) {
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55 return 1;
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56 }
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57 }
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58
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59 return 0;
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60 }
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61
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62 /**
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63 * iterator を次に進める
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64 */
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65 void
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66 SceneGraphIterator::next(void)
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67 {
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68 cur = cur->next;
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69 }
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70
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71 /**
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72 * iterator を指定した ID を持つ SceneGraph まで進める
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73 * SceneGraph が無い場合、NULL にする
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74 *
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75 * @param id 検索したい SceneGraph の ID
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76 */
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77 void
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78 SceneGraphIterator::next(int id)
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79 {
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80 SceneGraphPtr p;
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81
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82 for (p = cur->next; p; p = p->next) {
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83 if (p->sgid == id) {
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84 break;
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85 }
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86 }
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87
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88 cur = p;
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89 }
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90
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91 /*!
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92 iterator を指定した Group ID を持つ SceneGraph まで進める
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93
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94 @param id 検索したい SceneGraph の Group ID
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95 */
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96 void
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97 SceneGraphIterator::nextGroup(int id)
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98 {
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99 SceneGraphPtr p;
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100
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101 for (p = cur->next; p; p = p->next) {
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102 if (p->gid == id) {
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103 break;
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104 }
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105 }
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106
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107 cur = p;
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108 }
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109
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110 /**
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111 * 参照中の SceneGraph を削除する
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112 */
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113 void
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114 SceneGraphIterator::remove(void)
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115 {
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116 cur->remove();
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117 }
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118
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119 /**
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120 * 参照中の SceneGraph を返す
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121 *
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122 * @return current SceneGraph
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123 */
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124 SceneGraphPtr
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125 SceneGraphIterator::get(void)
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126 {
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127 return cur;
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128 }