1 | #ifndef _ObjectList_H__ |
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2 | #define _ObjectList_H__ |
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3 | |
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4 | namespace orxonox |
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5 | { |
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6 | class OrxonoxClass; |
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7 | |
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8 | // ############################### |
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9 | // ### ObjectListElement ### |
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10 | // ############################### |
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11 | template <class T> |
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12 | class ObjectListElement |
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13 | { |
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14 | public: |
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15 | ObjectListElement(T* object); |
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16 | ~ObjectListElement(); |
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17 | |
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18 | T* object_; |
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19 | ObjectListElement* next_; |
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20 | ObjectListElement* prev_; |
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21 | }; |
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22 | |
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23 | template <class T> |
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24 | ObjectListElement<T>::ObjectListElement(T* object) |
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25 | { |
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26 | this->object_ = object; |
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27 | this->next_ = 0; |
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28 | this->prev_ = 0; |
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29 | } |
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30 | |
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31 | template <class T> |
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32 | ObjectListElement<T>::~ObjectListElement() |
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33 | { |
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34 | } |
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35 | |
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36 | |
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37 | // ############################### |
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38 | // ### ObjectList ### |
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39 | // ############################### |
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40 | template <class T> |
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41 | class ObjectList |
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42 | { |
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43 | public: |
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44 | ObjectList(); |
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45 | ~ObjectList(); |
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46 | void add(T* object); |
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47 | void remove(OrxonoxClass* object, bool bIterateForwards = true); |
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48 | |
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49 | ObjectListElement<T>* first_; |
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50 | ObjectListElement<T>* last_; |
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51 | }; |
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52 | |
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53 | template <class T> |
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54 | ObjectList<T>::ObjectList() |
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55 | { |
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56 | this->first_ = 0; |
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57 | this->last_ = 0; |
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58 | } |
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59 | |
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60 | template <class T> |
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61 | ObjectList<T>::~ObjectList() |
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62 | { |
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63 | ObjectListElement<T>* temp; |
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64 | while (this->first_) |
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65 | { |
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66 | temp = this->first_->next_; |
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67 | delete this->first_; |
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68 | this->first_ = temp; |
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69 | } |
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70 | } |
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71 | |
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72 | template <class T> |
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73 | void ObjectList<T>::add(T* object) |
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74 | { |
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75 | if (!this->last_) |
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76 | { |
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77 | this->last_ = new ObjectListElement<T>(object); |
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78 | this->first_ = this->last_; |
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79 | } |
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80 | else |
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81 | { |
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82 | ObjectListElement<T>* temp = this->last_; |
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83 | this->last_ = new ObjectListElement<T>(object); |
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84 | this->last_->prev_ = temp; |
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85 | temp->next_ = this->last_; |
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86 | } |
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87 | } |
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88 | |
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89 | template <class T> |
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90 | void ObjectList<T>::remove(OrxonoxClass* object, bool bIterateForwards) |
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91 | { |
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92 | if (!object || !this->first_ || !this->last_) |
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93 | return; |
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94 | |
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95 | if (this->first_ == this->last_) |
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96 | { |
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97 | if (this->first_->object_ == object) |
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98 | { |
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99 | delete this->first_; |
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100 | this->first_ = 0; |
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101 | this->last_ = 0; |
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102 | } |
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103 | |
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104 | return; |
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105 | } |
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106 | |
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107 | if (bIterateForwards) |
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108 | { |
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109 | if (this->first_->object_ == object) |
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110 | { |
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111 | ObjectListElement<T>* temp = this->first_->next_; |
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112 | delete this->first_; |
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113 | this->first_ = temp; |
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114 | this->first_->prev_ = 0; |
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115 | |
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116 | return; |
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117 | } |
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118 | |
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119 | ObjectListElement<T>* temp = this->first_; |
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120 | while (temp->next_) |
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121 | { |
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122 | if (temp->next_->object_ == object) |
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123 | { |
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124 | ObjectListElement<T>* temp2 = temp->next_->next_; |
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125 | delete temp->next_; |
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126 | temp->next_ = temp2; |
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127 | if (temp2) |
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128 | temp2->prev_ = temp; |
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129 | else |
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130 | this->last_ = temp; |
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131 | |
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132 | return; |
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133 | } |
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134 | |
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135 | temp = temp->next_; |
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136 | } |
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137 | } |
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138 | else |
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139 | { |
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140 | if (this->last_->object_ == object) |
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141 | { |
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142 | ObjectListElement<T>* temp = this->last_->prev_; |
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143 | delete this->last_; |
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144 | this->last_ = temp; |
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145 | this->last_->next_ = 0; |
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146 | |
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147 | return; |
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148 | } |
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149 | |
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150 | ObjectListElement<T>* temp = this->last_; |
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151 | while (temp->prev_) |
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152 | { |
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153 | if (temp->prev_->object_ == object) |
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154 | { |
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155 | ObjectListElement<T>* temp2 = temp->prev_->prev_; |
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156 | delete temp->prev_; |
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157 | temp->prev_ = temp2; |
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158 | if (temp2) |
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159 | temp2->next_ = temp; |
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160 | else |
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161 | this->first_ = temp; |
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162 | |
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163 | return; |
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164 | } |
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165 | |
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166 | temp = temp->prev_; |
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167 | } |
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168 | } |
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169 | } |
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170 | } |
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171 | |
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172 | #endif |
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