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source: code/branches/network/src/orxonox/objects/SpaceShipAI.cc @ 1494

Last change on this file since 1494 was 1494, checked in by rgrieder, 16 years ago
  • set the svn:eol-style property to all files so, that where ever you check out, you'll get the right line endings (had to change every file with mixed endings to windows in order to set the property)
  • Property svn:eol-style set to native
File size: 9.2 KB
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1/* *   ORXONOX - the hottest 3D action shooter ever to exist *                    > www.orxonox.net < * * *   License notice: * *   This program is free software; you can redistribute it and/or *   modify it under the terms of the GNU General Public License *   as published by the Free Software Foundation; either version 2 *   of the License, or (at your option) any later version. * *   This program is distributed in the hope that it will be useful, *   but WITHOUT ANY WARRANTY; without even the implied warranty of *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the *   GNU General Public License for more details. * *   You should have received a copy of the GNU General Public License *   along with this program; if not, write to the Free Software *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. * *   Author: *      Fabian 'x3n' Landau *   Co-authors: *      ... * */#include "OrxonoxStableHeaders.h"
2#include "SpaceShipAI.h"#include <OgreMath.h>#include "Projectile.h"#include "core/CoreIncludes.h"#include "core/Iterator.h"#include "core/Executor.h"#include "core/ConsoleCommand.h"#include "core/XMLPort.h"#define ACTION_INTERVAL 1.0fnamespace orxonox{    SetConsoleCommand(SpaceShipAI, createEnemy, true).setDefaultValue(0, 1);    SetConsoleCommand(SpaceShipAI, killEnemies, true).setDefaultValue(0, 0);    CreateFactory(SpaceShipAI);    SpaceShipAI::SpaceShipAI()    {        RegisterObject(SpaceShipAI);        this->alive_ = true;        this->setPosition(Vector3(rnd(-1000, 1000), rnd(-1000, 1000), rnd(-1000, 0000)));        this->target_ = 0;        this->bShooting_ = 0;        this->bHasTargetPosition_ = false;        this->setTeamNr((int)rnd(NUM_AI_TEAMS) % NUM_AI_TEAMS + 1);        if (NUM_AI_TEAMS > 0)            this->teamColours_[1] = ColourValue(1, 0, 0, 1);        if (NUM_AI_TEAMS > 1)            this->teamColours_[2] = ColourValue(0, 1, 0, 1);        if (NUM_AI_TEAMS > 2)            this->teamColours_[3] = ColourValue(0, 0, 1, 1);        for (int i = 4; i <= NUM_AI_TEAMS; ++i)            this->teamColours_[i] = ColourValue(rnd(), rnd(), rnd(), 1);    }    void SpaceShipAI::XMLPort(Element& xmlelement, XMLPort::Mode mode)    {        SpaceShip::XMLPort(xmlelement, mode);        myShip_=true;        this->actionTimer_.setTimer(ACTION_INTERVAL, true, this, createExecutor(createFunctor(&SpaceShipAI::action)));    }    void SpaceShipAI::createEnemy(int num)    {        for (int i = 0; i < num; ++i)        {            SpaceShipAI* newenemy = new SpaceShipAI();            newenemy->setMesh("assff.mesh");//            newenemy->setPosition(0, 0, 0);            newenemy->setScale(10);            newenemy->setMaxSpeed(500);            newenemy->setMaxSideAndBackSpeed(50);            newenemy->setMaxRotation(1.0);            newenemy->setTransAcc(200);            newenemy->setRotAcc(3.0);            newenemy->setTransDamp(75);            newenemy->setRotDamp(1.0);            Element xmlelement;            newenemy->XMLPort(xmlelement, XMLPort::LoadObject);        }    }    void SpaceShipAI::killEnemies(int num)    {        int i = 0;        for (Iterator<SpaceShipAI> it = ObjectList<SpaceShipAI>::begin(); it; )        {            delete *(it++);            ++i;            if (num && i >= num)                break;        }    }    ColourValue SpaceShipAI::getProjectileColour() const    {        return this->teamColours_[this->getTeamNr()];    }    void SpaceShipAI::action()    {        float random;        float maxrand = 100.0f / ACTION_INTERVAL;        // search enemy        random = rnd(maxrand);//std::cout << "search enemy: " << random << std::endl;        if (random < 20 && (!this->target_))        {            this->searchNewTarget();        }        // forget enemy        random = rnd(maxrand);//std::cout << "forget enemy: " << random << std::endl;        if (random < 5 && (this->target_))        {            this->forgetTarget();        }        // next enemy        random = rnd(maxrand);//std::cout << "next enemy: " << random << std::endl;        if (random < 10 && (this->target_))        {            this->searchNewTarget();        }        // fly somewhere        random = rnd(maxrand);//std::cout << "fly somewhere: " << random << std::endl;        if (random < 40 && (!this->bHasTargetPosition_ && !this->target_))        {            this->searchNewTargetPosition();        }        // stop flying        random = rnd(maxrand);//std::cout << "stop flying: " << random << std::endl;        if (random < 10 && (this->bHasTargetPosition_ && !this->target_))        {            this->bHasTargetPosition_ = false;        }        // fly somewhere else        random = rnd(maxrand);//std::cout << "fly somewhere else: " << random << std::endl;        if (random < 30 && (this->bHasTargetPosition_ && !this->target_))        {            this->searchNewTargetPosition();        }        // shoot        random = rnd(maxrand);//std::cout << "shoot: " << random << std::endl;        if (random < 75 && (this->target_ && !this->bShooting_))        {            this->bShooting_ = true;        }        // stop shooting        random = rnd(maxrand);//std::cout << "stop shooting: " << random << std::endl;        if (random < 25 && (this->bShooting_))        {            this->bShooting_ = false;        }    }    void SpaceShipAI::tick(float dt)    {        if (this->target_)            this->aimAtTarget();        if (this->bHasTargetPosition_)            this->moveToTargetPosition(dt);        if (this->bShooting_ && this->isCloseAtTarget(2000) && this->isLookingAtTarget(Ogre::Math::PI / 10.0f))            this->doFire();        SpaceShip::tick(dt);    }    void SpaceShipAI::moveToTargetPosition(float dt)    {        static Radian RadianZERO(0);//        float dotprod = (this->getOrientation() * Ogre::Vector3::UNIT_X).dotProduct(this->targetPosition_ - this->getPosition());        Quaternion rotation = (this->getOrientation() * Ogre::Vector3::UNIT_X).getRotationTo(this->targetPosition_ - this->getPosition());/*std::cout << "scalprod: " << dotprod << std::endl;std::cout << "dist: " << this->targetPosition_ - this->getPosition() << std::endl;std::cout << "yaw: " << rotation.getYaw().valueRadians() << std::endl;std::cout << "pitch: " << rotation.getPitch().valueRadians() << std::endl;std::cout << "roll: " << rotation.getRoll().valueRadians() << std::endl;*/        this->setMoveYaw(-rotation.getRoll().valueRadians());        this->setMovePitch(rotation.getYaw().valueRadians());        if ((this->targetPosition_ - this->getPosition()).length() > 100)        {            this->setMoveLongitudinal(1);        }    }    void SpaceShipAI::searchNewTargetPosition()    {        this->targetPosition_ = Vector3(rnd(-5000,5000), rnd(-5000,5000), rnd(-5000,5000));        this->bHasTargetPosition_ = true;    }    void SpaceShipAI::searchNewTarget()    {        this->targetPosition_ = this->getPosition();        this->forgetTarget();        for (Iterator<SpaceShip> it = ObjectList<SpaceShip>::begin(); it; ++it)        {            if (it->getTeamNr() != this->getTeamNr())            {                float speed = this->getVelocity().length();                Vector3 distanceCurrent = this->targetPosition_ - this->getPosition();                Vector3 distanceNew = it->getPosition() - this->getPosition();                if (!this->target_ || it->getPosition().squaredDistance(this->getPosition()) * (1.5f + acos((this->getOrientation() * Ogre::Vector3::UNIT_X).dotProduct(distanceNew) / speed / distanceNew.length()) / (2 * Ogre::Math::PI))                        < this->targetPosition_.squaredDistance(this->getPosition()) * (1.5f + acos((this->getOrientation() * Ogre::Vector3::UNIT_X).dotProduct(distanceCurrent) / speed / distanceCurrent.length()) / (2 * Ogre::Math::PI)))                {                    this->target_ = (*it);                    this->targetPosition_ = it->getPosition();                }            }        }   }    void SpaceShipAI::forgetTarget()    {        this->target_ = 0;        this->bShooting_ = false;    }    void SpaceShipAI::aimAtTarget()    {        if (!this->target_)            return;/*        Vector3 enemymovement = this->target_->getVelocity();        Vector3 distance_normalised = this->target_->getPosition() - this->getPosition();        distance_normalised.normalise();        float scalarprod = enemymovement.dotProduct(distance_normalised);        float aimoffset = scalarprod*scalarprod + Projectile::getSpeed() * Projectile::getSpeed() - this->target_->getVelocity().squaredLength();        if (aimoffset < 0)        {            this->bHasTargetPosition_ = false;            return;        }        aimoffset = -scalarprod + sqrt(aimoffset);        this->targetPosition_ = enemymovement + distance_normalised * aimoffset;        this->bHasTargetPosition_ = true;        std::cout << "targetpos: " << this->targetPosition_ << std::endl;*/        this->targetPosition_ = this->target_->getPosition();        this->bHasTargetPosition_ = true;    }    bool SpaceShipAI::isCloseAtTarget(float distance)    {        return (this->getPosition().squaredDistance(this->targetPosition_) < distance*distance);    }    bool SpaceShipAI::isLookingAtTarget(float angle)    {        return (this->getOrientation() * Ogre::Vector3::UNIT_X).directionEquals(this->targetPosition_ - this->getPosition(), Radian(angle));    }}
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