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source: code/branches/tutorial3/src/modules/towerdefense/TowerDefenseController.cc @ 10904

Last change on this file since 10904 was 9271, checked in by landauf, 12 years ago

svn:eol-style native (no changes in code)

  • Property svn:eol-style set to native
File size: 4.2 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 "TowerDefenseController.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(TowerDefenseController);
39
40    TowerDefenseController::TowerDefenseController(BaseObject* creator) : WaypointController(creator)
41    {
42        RegisterObject(TowerDefenseController);
43
44        this->alertnessradius_ = 500;
45
46        this->patrolTimer_.setTimer(rnd(), true, createExecutor(createFunctor(&TowerDefenseController::searchEnemy, this)));
47    }
48
49    void TowerDefenseController::XMLPort(Element& xmlelement, XMLPort::Mode mode)
50    {
51        SUPER(TowerDefenseController, XMLPort, xmlelement, mode);
52
53        XMLPortParam(TowerDefenseController, "alertnessradius", setAlertnessRadius, getAlertnessRadius, xmlelement, mode).defaultValues(500.0f);
54    }
55
56    void TowerDefenseController::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(TowerDefenseController, tick, dt);
74        }
75    }
76
77
78    bool sameTeam(ControllableEntity* entity1, ControllableEntity* entity2, Gametype* gametype)
79    {
80        if (entity1 == entity2)
81            return true;
82
83        int team1 = -1;
84        int team2 = -1;
85
86        Controller* controller = 0;
87        if (entity1->getController())
88            controller = entity1->getController();
89        else
90            controller = entity1->getXMLController();
91        if (controller)
92        {
93            FormationController* ac = orxonox_cast<FormationController*>(controller);
94            if (ac)
95                team1 = ac->getTeam();
96        }
97
98        if (entity2->getController())
99            controller = entity2->getController();
100        else
101            controller = entity2->getXMLController();
102        if (controller)
103        {
104            FormationController* ac = orxonox_cast<FormationController*>(controller);
105            if (ac)
106                team2 = ac->getTeam();
107        }
108
109
110
111        return (team1 == team2 && team1 != -1);
112    }
113
114
115
116
117
118    void TowerDefenseController::searchEnemy()
119    {
120        this->patrolTimer_.setInterval(rnd());
121
122        if (!this->getControllableEntity())
123            return;
124
125        Vector3 myposition = this->getControllableEntity()->getPosition();
126        float shortestsqdistance = (float)static_cast<unsigned int>(-1);
127
128        for (ObjectList<Pawn>::iterator it = ObjectList<Pawn>::begin(); it != ObjectList<Pawn>::end(); ++it)
129        {
130            if (ArtificialController::sameTeam(this->getControllableEntity(), static_cast<ControllableEntity*>(*it), this->getGametype()))
131                continue;
132
133            float sqdistance = it->getPosition().squaredDistance(myposition);
134            if (sqdistance < shortestsqdistance)
135            {
136                shortestsqdistance = sqdistance;
137                this->target_ = (*it);
138            }
139        }
140
141        if (shortestsqdistance > (this->alertnessradius_ * this->alertnessradius_))
142            this->target_ = 0;
143    }
144}
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