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source: code/trunk/src/modules/objects/triggers/DistanceTrigger.cc @ 7194

Last change on this file since 7194 was 7163, checked in by dafrick, 14 years ago

Merged presentation3 branch into trunk.

  • Property svn:eol-style set to native
File size: 5.1 KB
RevLine 
[1693]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 "DistanceTrigger.h"
30
31#include "core/CoreIncludes.h"
32#include "core/XMLPort.h"
[5735]33#include "worldentities/pawns/Pawn.h"
[6906]34#include "DistanceTriggerBeacon.h"
[2261]35
[2071]36namespace orxonox
37{
[1693]38  CreateFactory(DistanceTrigger);
39
[5727]40  DistanceTrigger::DistanceTrigger(BaseObject* creator) : Trigger(creator)
[1693]41  {
42    RegisterObject(DistanceTrigger);
43
[2029]44    this->distance_ = 100;
45    this->targetMask_.exclude(Class(BaseObject));
[6906]46    this->targetName_ = BLANKSTRING;
47    this->singleTargetMode_ = false;
[5937]48    this->setForPlayer(false); //!< Normally hasn't just players as targets.
[1693]49  }
50
51  DistanceTrigger::~DistanceTrigger()
52  {
53  }
54
[2029]55  void DistanceTrigger::XMLPort(Element& xmlelement, XMLPort::Mode mode)
56  {
57    SUPER(DistanceTrigger, XMLPort, xmlelement, mode);
58
59    XMLPortParam(DistanceTrigger, "distance", setDistance, getDistance, xmlelement, mode).defaultValues(100.0f);
[6906]60    XMLPortParamLoadOnly(DistanceTrigger, "target", addTargets, xmlelement, mode).defaultValues("Pawn");
61    XMLPortParam(DistanceTrigger, "targetname", setTargetName, getTargetName, xmlelement, mode);
[2029]62  }
63
[1693]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;
[2029]77      for (it = this->targetSet_.begin(); it != this->targetSet_.end(); ++it)
[1693]78      {
79        COUT(4) << *it << std::endl;
80      }
81      COUT(4) << "End of targetSet of trigger " << this << std::endl;
82    }
83  }
84
[1969]85  void DistanceTrigger::addTargets(const std::string& targets)
[1693]86  {
[1961]87    Identifier* targetId = ClassByString(targets);
[3034]88
[2261]89    //! Checks whether the target is (or is derived from) a ControllableEntity.
[6906]90    Identifier* pawnId = Class(Pawn);
91    Identifier* distanceTriggerBeaconId = Class(DistanceTriggerBeacon);
92    if(targetId->isA(pawnId) || targetId->isA(distanceTriggerBeaconId))
[2261]93    {
94      this->setForPlayer(true);
95    }
[3034]96
[2069]97    if (!targetId)
[2071]98    {
[6417]99        COUT(1) << "Error: \"" << targets << "\" is not a valid class name to include in ClassTreeMask (in " << this->getName() << ", class " << this->getIdentifier()->getName() << ')' << std::endl;
[2069]100        return;
[2071]101    }
[2069]102
103    this->targetMask_.include(targetId);
104
[1693]105    // trigger shouldn't react on itself or other triggers
[2069]106    this->targetMask_.exclude(Class(Trigger), true);
[1693]107
[2069]108    // we only want WorldEntities
109    ClassTreeMask WEMask;
110    WEMask.include(Class(WorldEntity));
111    this->targetMask_ *= WEMask;
[3033]112
113    this->notifyMaskUpdate();
[1693]114  }
115
[1969]116  void DistanceTrigger::removeTargets(const std::string& targets)
[1693]117  {
[1961]118    Identifier* targetId = ClassByString(targets);
[2069]119    this->targetMask_.exclude(targetId);
[1693]120  }
121
122  bool DistanceTrigger::checkDistance()
123  {
[2069]124    // Iterate through all objects
125    for (ClassTreeMaskObjectIterator it = this->targetMask_.begin(); it != this->targetMask_.end(); ++it)
[1693]126    {
[3325]127      WorldEntity* entity = orxonox_cast<WorldEntity*>(*it);
[2069]128      if (!entity)
129        continue;
130
[6906]131      if(this->singleTargetMode_)
132      {
133        if(!(*it)->isA(ClassIdentifier<DistanceTriggerBeacon>::getIdentifier()))
134          this->singleTargetMode_ = false;
135        else if(entity->getName().compare(this->targetName_) != 0)
136          continue;
137      }
[7163]138
[2069]139      Vector3 distanceVec = entity->getWorldPosition() - this->getWorldPosition();
140      if (distanceVec.length() < this->distance_)
[2261]141      {
[3034]142
143        // If the target is a player (resp. is a, or is derived from a, ControllableEntity) the triggeringPlayer is set to the target entity.
[2261]144        if(this->isForPlayer())
[3034]145        {
[6906]146
147          if(this->singleTargetMode_)
148            entity = entity->getParent();
149
[3325]150          Pawn* player = orxonox_cast<Pawn*>(entity);
[3034]151          this->setTriggeringPlayer(player);
152        }
153
[2069]154        return true;
[2261]155      }
[1693]156    }
[7163]157
[1693]158    return false;
159  }
160
[3280]161  bool DistanceTrigger::isTriggered(TriggerMode::Value mode)
[1693]162  {
[2029]163    if (Trigger::isTriggered(mode))
[2261]164    {
[1693]165      return checkDistance();
[2261]166    }
[1693]167    else
168      return false;
169  }
170}
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