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source: code/branches/tutorial3/src/orxonox/controllers/WaypointPatrolController.cc @ 10904

Last change on this file since 10904 was 9016, checked in by jo, 13 years ago

Merging presentation2011 branch to trunk. Please check for possible bugs.

  • Property svn:eol-style set to native
File size: 3.3 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 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "WaypointPatrolController.h"
30
31#include "util/Math.h"
32#include "core/CoreIncludes.h"
33#include "core/XMLPort.h"
34#include "worldentities/pawns/Pawn.h"
35
36namespace orxonox
37{
38    CreateFactory(WaypointPatrolController);
39
40    WaypointPatrolController::WaypointPatrolController(BaseObject* creator) : WaypointController(creator)
41    {
42        RegisterObject(WaypointPatrolController);
43
44        this->alertnessradius_ = 500;
45
46        this->patrolTimer_.setTimer(rnd(), true, createExecutor(createFunctor(&WaypointPatrolController::searchEnemy, this)));
47    }
48
49    void WaypointPatrolController::XMLPort(Element& xmlelement, XMLPort::Mode mode)
50    {
51        SUPER(WaypointPatrolController, XMLPort, xmlelement, mode);
52
53        XMLPortParam(WaypointPatrolController, "alertnessradius", setAlertnessRadius, getAlertnessRadius, xmlelement, mode).defaultValues(500.0f);
54    }
55
56    void WaypointPatrolController::tick(float dt)
57    {
58        if (!this->isActive())
59            return;
60
61        if (this->target_)
62        {
63            this->aimAtTarget();
64
65            if (this->bHasTargetPosition_)
66                this->moveToTargetPosition();
67
68            if (this->getControllableEntity() && this->isCloseAtTarget(1000) && this->isLookingAtTarget(math::pi / 20.0f))
69                this->getControllableEntity()->fire(0);
70        }
71        else
72        {
73            SUPER(WaypointPatrolController, tick, dt);
74        }
75    }
76
77    void WaypointPatrolController::searchEnemy()
78    {
79        this->patrolTimer_.setInterval(rnd());
80
81        if (!this->getControllableEntity())
82            return;
83
84        Vector3 myposition = this->getControllableEntity()->getPosition();
85        float shortestsqdistance = (float)static_cast<unsigned int>(-1);
86
87        for (ObjectList<Pawn>::iterator it = ObjectList<Pawn>::begin(); it != ObjectList<Pawn>::end(); ++it)
88        {
89            if (ArtificialController::sameTeam(this->getControllableEntity(), static_cast<ControllableEntity*>(*it), this->getGametype()))
90                continue;
91
92            float sqdistance = it->getPosition().squaredDistance(myposition);
93            if (sqdistance < shortestsqdistance)
94            {
95                shortestsqdistance = sqdistance;
96                this->target_ = (*it);
97            }
98        }
99
100        if (shortestsqdistance > (this->alertnessradius_ * this->alertnessradius_))
101            this->target_ = 0;
102    }
103}
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