source:
code/trunk/src/orxonox/objects/worldentities/triggers/DistanceTrigger.cc
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1 | /* |
2 | * ORXONOX - the hottest 3D action shooter ever to exist |
3 | * > www.orxonox.net < |
4 | * |
5 | * |
6 | * License notice: |
7 | * |
8 | * This program is free software; you can redistribute it and/or |
9 | * modify it under the terms of the GNU General Public License |
10 | * as published by the Free Software Foundation; either version 2 |
11 | * of the License, or (at your option) any later version. |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * GNU General Public License for more details. |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this program; if not, write to the Free Software |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
21 | * |
22 | * Author: |
23 | * Benjamin Knecht |
24 | * Co-authors: |
25 | * ... |
26 | * |
27 | */ |
28 | |
29 | #include "OrxonoxStableHeaders.h" |
30 | #include "DistanceTrigger.h" |
31 | |
32 | #include <OgreNode.h> |
33 | |
34 | #include "core/CoreIncludes.h" |
35 | #include "core/XMLPort.h" |
36 | |
37 | #include "orxonox/objects/worldentities/ControllableEntity.h" |
38 | |
39 | namespace orxonox |
40 | { |
41 | CreateFactory(DistanceTrigger); |
42 | |
43 | DistanceTrigger::DistanceTrigger(BaseObject* creator) : PlayerTrigger(creator) |
44 | { |
45 | RegisterObject(DistanceTrigger); |
46 | |
47 | this->distance_ = 100; |
48 | this->targetMask_.exclude(Class(BaseObject)); |
49 | this->setForPlayer(false); //!< Normally hasn't just ControllableEntities as targets. |
50 | } |
51 | |
52 | DistanceTrigger::~DistanceTrigger() |
53 | { |
54 | } |
55 | |
56 | void DistanceTrigger::XMLPort(Element& xmlelement, XMLPort::Mode mode) |
57 | { |
58 | SUPER(DistanceTrigger, XMLPort, xmlelement, mode); |
59 | |
60 | XMLPortParam(DistanceTrigger, "distance", setDistance, getDistance, xmlelement, mode).defaultValues(100.0f); |
61 | XMLPortParamLoadOnly(DistanceTrigger, "target", addTargets, xmlelement, mode).defaultValues("ControllableEntity"); |
62 | } |
63 | |
64 | void DistanceTrigger::addTarget(Ogre::Node* targetNode) |
65 | { |
66 | this->targetSet_.insert(targetNode); |
67 | } |
68 | |
69 | void DistanceTrigger::removeTarget(Ogre::Node* targetNode) |
70 | { |
71 | int returnval = this->targetSet_.erase(targetNode); |
72 | if (returnval == 0) |
73 | { |
74 | COUT(2) << "Warning: Node " << targetNode << " did not exist in targetSet of trigger " << this << " !" << std::endl; |
75 | COUT(4) << "Content of targetSet of trigger " << this << " :" << std::endl; |
76 | std::set<Ogre::Node*>::iterator it; |
77 | for (it = this->targetSet_.begin(); it != this->targetSet_.end(); ++it) |
78 | { |
79 | COUT(4) << *it << std::endl; |
80 | } |
81 | COUT(4) << "End of targetSet of trigger " << this << std::endl; |
82 | } |
83 | } |
84 | |
85 | void DistanceTrigger::addTargets(const std::string& targets) |
86 | { |
87 | Identifier* targetId = ClassByString(targets); |
88 | |
89 | //! Checks whether the target is (or is derived from) a ControllableEntity. |
90 | Identifier* controllableEntityId = Class(ControllableEntity); |
91 | if(targetId->isA(controllableEntityId)) |
92 | { |
93 | this->setForPlayer(true); |
94 | } |
95 | |
96 | if (!targetId) |
97 | { |
98 | COUT(1) << "Error: \"" << targets << "\" is not a valid class name to include in ClassTreeMask (in " << this->getName() << ", class " << this->getIdentifier()->getName() << ")" << std::endl; |
99 | return; |
100 | } |
101 | |
102 | this->targetMask_.include(targetId); |
103 | |
104 | // trigger shouldn't react on itself or other triggers |
105 | this->targetMask_.exclude(Class(Trigger), true); |
106 | |
107 | // we only want WorldEntities |
108 | ClassTreeMask WEMask; |
109 | WEMask.include(Class(WorldEntity)); |
110 | this->targetMask_ *= WEMask; |
111 | } |
112 | |
113 | void DistanceTrigger::removeTargets(const std::string& targets) |
114 | { |
115 | Identifier* targetId = ClassByString(targets); |
116 | this->targetMask_.exclude(targetId); |
117 | } |
118 | |
119 | bool DistanceTrigger::checkDistance() |
120 | { |
121 | // Iterate through all objects |
122 | for (ClassTreeMaskObjectIterator it = this->targetMask_.begin(); it != this->targetMask_.end(); ++it) |
123 | { |
124 | WorldEntity* entity = dynamic_cast<WorldEntity*>(*it); |
125 | if (!entity) |
126 | continue; |
127 | |
128 | Vector3 distanceVec = entity->getWorldPosition() - this->getWorldPosition(); |
129 | if (distanceVec.length() < this->distance_) |
130 | { |
131 | |
132 | //! If the target is a player (resp. is a, or is derived from a, ControllableEntity) the triggeringPlayer is set to the target entity. |
133 | if(this->isForPlayer()) |
134 | { |
135 | ControllableEntity* player = dynamic_cast<ControllableEntity*>(entity); |
136 | this->setTriggeringPlayer(player); |
137 | } |
138 | |
139 | return true; |
140 | } |
141 | } |
142 | return false; |
143 | } |
144 | |
145 | bool DistanceTrigger::isTriggered(TriggerMode mode) |
146 | { |
147 | if (Trigger::isTriggered(mode)) |
148 | { |
149 | return checkDistance(); |
150 | } |
151 | else |
152 | return false; |
153 | } |
154 | } |
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