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source: code/branches/script_trigger/src/orxonox/objects/DistanceTrigger.cc @ 2160

Last change on this file since 2160 was 1954, checked in by bknecht, 16 years ago

Triggers now implemented. Trigger may now have children, two or four states, limited amount of activations and a delay.

File size: 3.4 KB
Line 
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 "core/CoreIncludes.h"
33#include "core/XMLPort.h"
34
35namespace orxonox {
36
37  CreateFactory(DistanceTrigger);
38
39  DistanceTrigger::DistanceTrigger()
40  {
41    RegisterObject(DistanceTrigger);
42
43    targetMask_.exclude(Class(BaseObject));
44  }
45
46  DistanceTrigger::~DistanceTrigger()
47  {
48  }
49
50  void DistanceTrigger::addTarget(Ogre::Node* targetNode)
51  {
52    this->targetSet_.insert(targetNode);
53  }
54
55  void DistanceTrigger::removeTarget(Ogre::Node* targetNode)
56  {
57    int returnval = this->targetSet_.erase(targetNode);
58    if (returnval == 0)
59    {
60      COUT(2) << "Warning: Node " << targetNode << " did not exist in targetSet of trigger " << this << " !" << std::endl;
61      COUT(4) << "Content of targetSet of trigger " << this << " :" << std::endl;
62      std::set<Ogre::Node*>::iterator it;
63      for(it = this->targetSet_.begin(); it != this->targetSet_.end(); it++)
64      {
65        COUT(4) << *it << std::endl;
66      }
67      COUT(4) << "End of targetSet of trigger " << this << std::endl;
68    }
69  }
70
71  void DistanceTrigger::addTargets(std::string targets)
72  {
73    Identifier* targetId = ID(targets);
74    targetMask_.include(targetId);
75    // trigger shouldn't react on itself or other triggers
76    targetMask_.exclude(Class(Trigger), true);
77
78  }
79
80  void DistanceTrigger::removeTargets(std::string targets)
81  {
82    Identifier* targetId = ID(targets);
83    targetMask_.exclude(targetId);
84  }
85
86  bool DistanceTrigger::checkDistance()
87  {
88    // Iterate through all WorldEntities
89    for(Iterator<WorldEntity> it = ObjectList<WorldEntity>::begin(); it; it++)
90    {
91      // check if WorldEntity is a target
92      if(targetMask_.isIncluded(it->getIdentifier()))
93      {
94        Vector3 distanceVec = it->getNode()->getWorldPosition() - this->getNode()->getWorldPosition();
95        if (distanceVec.length() < this->distance_)
96        {
97          return true;
98        }
99      }
100    }
101    return false;
102
103  }
104
105  void DistanceTrigger::setDistance(float dist)
106  {
107    this->distance_ = dist;
108  }
109
110  void DistanceTrigger::XMLPort(Element& xmlelement, XMLPort::Mode mode)
111  {
112    Trigger::XMLPort(xmlelement, mode);
113
114    XMLPortParamLoadOnly(DistanceTrigger, "distance", setDistance, xmlelement, mode);
115    XMLPortParamLoadOnly(DistanceTrigger, "target", addTargets, xmlelement, mode);
116  }
117
118  bool DistanceTrigger::isTriggered(TriggerMode mode)
119  {
120    if(Trigger::isTriggered(mode))
121      return checkDistance();
122    else
123      return false;
124  }
125}
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