[6800] | 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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[6857] | 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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[6800] | 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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[6857] | 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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[6800] | 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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[6857] | 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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[6800] | 59 | DistanceMultiTrigger::~DistanceMultiTrigger() |
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| 60 | { |
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| 61 | } |
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[6857] | 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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[6800] | 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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[6857] | 71 | XMLPortParam(DistanceMultiTrigger, "distance", setDistance, getDistance, xmlelement, mode); |
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[6800] | 72 | } |
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[6857] | 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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[6800] | 80 | std::queue<MultiTriggerState*>* DistanceMultiTrigger::letTrigger(void) |
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| 81 | { |
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[6857] | 82 | |
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[6800] | 83 | std::queue<MultiTriggerState*>* queue = NULL; |
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[6857] | 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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[6860] | 86 | for(std::map<WorldEntity*, WeakPtr<WorldEntity>* >::iterator it = this->range_.begin(); it != this->range_.end(); ) |
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[6857] | 87 | { |
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[6860] | 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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[6864] | 92 | ++it; |
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[6860] | 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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[6857] | 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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[6864] | 101 | if(!this->removeFromRange(key)) |
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| 102 | { |
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| 103 | ++it; |
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[6857] | 104 | continue; |
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[6864] | 105 | } |
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[6857] | 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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[6860] | 114 | state->originator = entity; |
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[6857] | 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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[6864] | 121 | ClassTreeMask& targetMask = this->getTargetMask(); |
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| 122 | |
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[6800] | 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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[6860] | 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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[6800] | 128 | continue; |
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| 129 | |
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| 130 | Vector3 distanceVec = entity->getWorldPosition() - this->getWorldPosition(); |
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[6857] | 131 | // If the object is in range. |
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| 132 | if (distanceVec.length() <= this->distance_) |
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[6800] | 133 | { |
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[6857] | 134 | // Add the object to the objects that are in range. |
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[6800] | 135 | if(!this->addToRange(entity)) |
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| 136 | continue; |
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[6857] | 137 | |
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| 138 | // If no queue has been created, yet. |
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[6800] | 139 | if(queue == NULL) |
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| 140 | queue = new std::queue<MultiTriggerState*>(); |
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[6857] | 141 | |
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| 142 | // Create a state and append it to the queue. |
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[6800] | 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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