1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Damian 'Mozork' Frick |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | /** |
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30 | @file DistanceMultiTrigger.cc |
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31 | @brief Implementation of the DistanceMultiTrigger class. |
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32 | */ |
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33 | |
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34 | #include "DistanceMultiTrigger.h" |
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35 | |
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36 | #include "core/CoreIncludes.h" |
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37 | #include "core/XMLPort.h" |
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38 | |
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39 | namespace orxonox |
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40 | { |
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41 | |
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42 | CreateFactory(DistanceMultiTrigger); |
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43 | |
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44 | /** |
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45 | @brief |
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46 | Default Constructor. Registers the object and initializes default values. |
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47 | */ |
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48 | DistanceMultiTrigger::DistanceMultiTrigger(BaseObject* creator) : MultiTrigger(creator) |
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49 | { |
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50 | RegisterObject(DistanceMultiTrigger); |
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51 | |
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52 | this->distance_ = 100.0f; |
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53 | } |
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54 | |
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55 | /** |
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56 | @brief |
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57 | Destructor. |
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58 | */ |
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59 | DistanceMultiTrigger::~DistanceMultiTrigger() |
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60 | { |
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61 | } |
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62 | |
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63 | /** |
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64 | @brief |
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65 | Method for creating a DistanceMultiTrigger object through XML. |
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66 | */ |
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67 | void DistanceMultiTrigger::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
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68 | { |
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69 | SUPER(DistanceMultiTrigger, XMLPort, xmlelement, mode); |
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70 | |
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71 | XMLPortParam(DistanceMultiTrigger, "distance", setDistance, getDistance, xmlelement, mode); |
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72 | } |
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73 | |
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74 | /** |
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75 | @brief |
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76 | This method is called by the MultiTrigger to get information about new trigger events that need to be looked at. |
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77 | |
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78 | In this implementation we iterate through all possible objects and check whether the fact that they are in range or not has changed and fire and hand a state ofer to the MultiTrigger if so. |
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79 | */ |
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80 | std::queue<MultiTriggerState*>* DistanceMultiTrigger::letTrigger(void) |
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81 | { |
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82 | |
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83 | std::queue<MultiTriggerState*>* queue = NULL; |
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84 | |
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85 | // Check for objects that were in range but no longer are. Iterate through all objects, that are in range. |
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86 | for(std::map<WorldEntity*, WeakPtr<WorldEntity>* >::iterator it = this->range_.begin(); it != this->range_.end(); ) |
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87 | { |
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88 | WorldEntity* entity = it->second->get(); |
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89 | WorldEntity* key = it->first; |
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90 | if(entity == NULL) |
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91 | { |
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92 | ++it; |
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93 | this->removeFromRange(key); |
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94 | continue; |
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95 | } |
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96 | |
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97 | Vector3 distanceVec = entity->getWorldPosition() - this->getWorldPosition(); |
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98 | // If the object is no longer in range. |
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99 | if (distanceVec.length() > this->distance_) |
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100 | { |
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101 | if(!this->removeFromRange(key)) |
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102 | { |
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103 | ++it; |
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104 | continue; |
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105 | } |
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106 | |
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107 | // If no queue has been created, yet. |
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108 | if(queue == NULL) |
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109 | queue = new std::queue<MultiTriggerState*>(); |
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110 | |
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111 | // Create a state and append it to the queue. |
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112 | MultiTriggerState* state = new MultiTriggerState; |
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113 | state->bTriggered = false; |
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114 | state->originator = entity; |
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115 | queue->push(state); |
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116 | } |
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117 | else |
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118 | ++it; |
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119 | } |
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120 | |
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121 | ClassTreeMask& targetMask = this->getTargetMask(); |
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122 | |
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123 | // Check for new objects that are in range |
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124 | for(ClassTreeMaskObjectIterator it = targetMask.begin(); it != targetMask.end(); ++it) |
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125 | { |
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126 | WorldEntity* entity = static_cast<WorldEntity*>(*it); |
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127 | if (entity == NULL) //If the object is no WorldEntity or is already in range. |
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128 | continue; |
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129 | |
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130 | Vector3 distanceVec = entity->getWorldPosition() - this->getWorldPosition(); |
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131 | // If the object is in range. |
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132 | if (distanceVec.length() <= this->distance_) |
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133 | { |
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134 | // Add the object to the objects that are in range. |
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135 | if(!this->addToRange(entity)) |
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136 | continue; |
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137 | |
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138 | // If no queue has been created, yet. |
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139 | if(queue == NULL) |
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140 | queue = new std::queue<MultiTriggerState*>(); |
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141 | |
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142 | // Create a state and append it to the queue. |
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143 | MultiTriggerState* state = new MultiTriggerState; |
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144 | state->bTriggered = true; |
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145 | state->originator = entity; |
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146 | queue->push(state); |
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147 | } |
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148 | } |
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149 | |
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150 | return queue; |
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151 | } |
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152 | |
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153 | } |
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