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source: code/branches/tutorial/src/orxonox/controllers/ArtificialController.cc @ 7061

Last change on this file since 7061 was 6417, checked in by rgrieder, 15 years ago

Merged presentation2 branch back to trunk.
Major new features:

  • Actual GUI with settings, etc.
  • Improved space ship steering (human interaction)
  • Rocket fire and more particle effects
  • Advanced sound framework
  • Property svn:eol-style set to native
File size: 8.8 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 "ArtificialController.h"
30
31#include "core/CoreIncludes.h"
32#include "worldentities/ControllableEntity.h"
33#include "worldentities/pawns/Pawn.h"
34#include "worldentities/pawns/TeamBaseMatchBase.h"
35#include "gametypes/TeamDeathmatch.h"
36#include "controllers/WaypointPatrolController.h"
37
38namespace orxonox
39{
40    ArtificialController::ArtificialController(BaseObject* creator) : Controller(creator)
41    {
42        RegisterObject(ArtificialController);
43
44        this->target_ = 0;
45        this->bShooting_ = false;
46        this->bHasTargetPosition_ = false;
47        this->targetPosition_ = Vector3::ZERO;
48
49        this->target_.setCallback(createFunctor(&ArtificialController::targetDied, this));
50    }
51
52    ArtificialController::~ArtificialController()
53    {
54    }
55
56    void ArtificialController::moveToPosition(const Vector3& target)
57    {
58        if (!this->getControllableEntity())
59            return;
60
61        Vector2 coord = get2DViewdirection(this->getControllableEntity()->getPosition(), this->getControllableEntity()->getOrientation() * WorldEntity::FRONT, this->getControllableEntity()->getOrientation() * WorldEntity::UP, target);
62        float distance = (target - this->getControllableEntity()->getPosition()).length();
63
64        if (this->target_ || distance > 10)
65        {
66            // Multiply with 0.8 to make them a bit slower
67            this->getControllableEntity()->rotateYaw(-0.8 * sgn(coord.x) * coord.x*coord.x);
68            this->getControllableEntity()->rotatePitch(0.8 * sgn(coord.y) * coord.y*coord.y);
69        }
70
71        if (this->target_ && distance < 200 && this->getControllableEntity()->getVelocity().squaredLength() > this->target_->getVelocity().squaredLength())
72            this->getControllableEntity()->moveFrontBack(-0.5); // They don't brake with full power to give the player a chance
73        else
74            this->getControllableEntity()->moveFrontBack(0.8);
75    }
76
77    void ArtificialController::moveToTargetPosition()
78    {
79        this->moveToPosition(this->targetPosition_);
80    }
81
82    void ArtificialController::setTargetPosition(const Vector3& target)
83    {
84        this->targetPosition_ = target;
85        this->bHasTargetPosition_ = true;
86    }
87
88    void ArtificialController::searchRandomTargetPosition()
89    {
90        this->targetPosition_ = Vector3(rnd(-2000,2000), rnd(-2000,2000), rnd(-2000,2000));
91        this->bHasTargetPosition_ = true;
92    }
93
94    void ArtificialController::setTarget(Pawn* target)
95    {
96        this->target_ = target;
97
98        if (target)
99            this->targetPosition_ = target->getPosition();
100    }
101
102    void ArtificialController::searchNewTarget()
103    {
104        if (!this->getControllableEntity())
105            return;
106
107        this->targetPosition_ = this->getControllableEntity()->getPosition();
108        this->forgetTarget();
109
110        for (ObjectList<Pawn>::iterator it = ObjectList<Pawn>::begin(); it; ++it)
111        {
112            if (ArtificialController::sameTeam(this->getControllableEntity(), static_cast<ControllableEntity*>(*it), this->getGametype()))
113                continue;
114
115            if (static_cast<ControllableEntity*>(*it) != this->getControllableEntity())
116            {
117                float speed = this->getControllableEntity()->getVelocity().length();
118                Vector3 distanceCurrent = this->targetPosition_ - this->getControllableEntity()->getPosition();
119                Vector3 distanceNew = it->getPosition() - this->getControllableEntity()->getPosition();
120                if (!this->target_ || it->getPosition().squaredDistance(this->getControllableEntity()->getPosition()) * (1.5f + acos((this->getControllableEntity()->getOrientation() * WorldEntity::FRONT).dotProduct(distanceNew) / speed / distanceNew.length()) / (2 * Ogre::Math::PI))
121                        < this->targetPosition_.squaredDistance(this->getControllableEntity()->getPosition()) * (1.5f + acos((this->getControllableEntity()->getOrientation() * WorldEntity::FRONT).dotProduct(distanceCurrent) / speed / distanceCurrent.length()) / (2 * Ogre::Math::PI)) + rnd(-250, 250))
122                {
123                    this->target_ = (*it);
124                    this->targetPosition_ = it->getPosition();
125                }
126            }
127        }
128    }
129
130    void ArtificialController::forgetTarget()
131    {
132        this->target_ = 0;
133        this->bShooting_ = false;
134    }
135
136    void ArtificialController::aimAtTarget()
137    {
138        if (!this->target_ || !this->getControllableEntity())
139            return;
140
141        static const float hardcoded_projectile_speed = 1250;
142
143        this->targetPosition_ = getPredictedPosition(this->getControllableEntity()->getPosition(), hardcoded_projectile_speed, this->target_->getPosition(), this->target_->getVelocity());
144        this->bHasTargetPosition_ = (this->targetPosition_ != Vector3::ZERO);
145
146        Pawn* pawn = dynamic_cast<Pawn*>(this->getControllableEntity());
147        if (pawn)
148            pawn->setAimPosition(this->targetPosition_);
149    }
150
151    bool ArtificialController::isCloseAtTarget(float distance) const
152    {
153        if (!this->getControllableEntity())
154            return false;
155
156        if (!this->target_)
157            return (this->getControllableEntity()->getPosition().squaredDistance(this->targetPosition_) < distance*distance);
158        else
159            return (this->getControllableEntity()->getPosition().squaredDistance(this->target_->getPosition()) < distance*distance);
160    }
161
162    bool ArtificialController::isLookingAtTarget(float angle) const
163    {
164        if (!this->getControllableEntity())
165            return false;
166
167        return (getAngle(this->getControllableEntity()->getPosition(), this->getControllableEntity()->getOrientation() * WorldEntity::FRONT, this->targetPosition_) < angle);
168    }
169
170    void ArtificialController::abandonTarget(Pawn* target)
171    {
172        if (target == this->target_)
173            this->targetDied();
174    }
175
176    void ArtificialController::targetDied()
177    {
178        this->forgetTarget();
179        this->searchRandomTargetPosition();
180    }
181
182    bool ArtificialController::sameTeam(ControllableEntity* entity1, ControllableEntity* entity2, Gametype* gametype)
183    {
184        if (entity1 == entity2)
185            return true;
186
187        int team1 = -1;
188        int team2 = -1;
189
190        if (entity1->getXMLController())
191        {
192            WaypointPatrolController* wpc = orxonox_cast<WaypointPatrolController*>(entity1->getXMLController());
193            if (wpc)
194                team1 = wpc->getTeam();
195        }
196        if (entity2->getXMLController())
197        {
198            WaypointPatrolController* wpc = orxonox_cast<WaypointPatrolController*>(entity2->getXMLController());
199            if (wpc)
200                team2 = wpc->getTeam();
201        }
202
203        TeamDeathmatch* tdm = orxonox_cast<TeamDeathmatch*>(gametype);
204        if (tdm)
205        {
206            if (entity1->getPlayer())
207                team1 = tdm->getTeam(entity1->getPlayer());
208
209            if (entity2->getPlayer())
210                team2 = tdm->getTeam(entity2->getPlayer());
211        }
212
213        TeamBaseMatchBase* base = 0;
214        base = orxonox_cast<TeamBaseMatchBase*>(entity1);
215        if (base)
216        {
217            switch (base->getState())
218            {
219                case BaseState::ControlTeam1:
220                    team1 = 0;
221                    break;
222                case BaseState::ControlTeam2:
223                    team1 = 1;
224                    break;
225                case BaseState::Uncontrolled:
226                default:
227                    team1 = -1;
228            }
229        }
230        base = orxonox_cast<TeamBaseMatchBase*>(entity2);
231        if (base)
232        {
233            switch (base->getState())
234            {
235                case BaseState::ControlTeam1:
236                    team2 = 0;
237                    break;
238                case BaseState::ControlTeam2:
239                    team2 = 1;
240                    break;
241                case BaseState::Uncontrolled:
242                default:
243                    team2 = -1;
244            }
245        }
246
247        return (team1 == team2 && team1 != -1);
248    }
249}
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