Changeset 6574 for code/branches/ppspickups1/src/modules/pickup/items/SpeedPickup.cc

Timestamp:

Mar 20, 2010, 6:36:00 PM (15 years ago)

Author:

ebeier

Message:

adapted SpeedPickup from HealthPickup

File:

• code/branches/ppspickups1/src/modules/pickup/items/SpeedPickup.cc (modified) (1 diff)

code/branches/ppspickups1/src/modules/pickup/items/SpeedPickup.cc

@@ -21 +21 @@
  *
  *   Author:
- *      Damian 'Mozork' Frick
+ *      Eric Beier
  *   Co-authors:
  *      ...
  *
- *   TODO: Implement...
  */
-/*
- *   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:
- *      Damian 'Mozork' Frick
- *   Co-authors:
- *      ...
- *
- *   TODO: Implement...
- */
+
+/**
+    @file SpeedPickup.cc
+    @brief Implementation of the SpeedPickup class.
+*/
+
+#include "SpeedPickup.h"
+
+#include "core/CoreIncludes.h"
+#include "core/XMLPort.h"
+#include "util/StringUtils.h"
+
+#include "worldentities/pawns/Pawn.h"
+#include "pickup/PickupIdentifier.h"
+
+#include <sstream>
+
+
+namespace orxonox
+{
+    CreateFactory(SpeedPickup);
+
+    /**
+    @brief
+        Constructor. Registers the object and initializes the member variables.
+    */
+    SpeedPickup::SpeedPickup(BaseObject* creator) : Pickup(creator)
+    {
+        RegisterObject(SpeedPickup);
+
+        this->initialize();
+    }
+
+    /**
+    @brief
+        Destructor.
+    */
+    SpeedPickup::~SpeedPickup()
+    {
+
+    }
+
+    /**
+    @brief
+        Initializes the member variables.
+    */
+    void SpeedPickup::initialize(void)
+    {
+        this->duration_ = 0;
+        this->speedAdd_ = 0;
+        this->speedMultiply_ = 0;
+
+        this->addTarget(ClassIdentifier<Pawn>::getIdentifier());
+    }
+
+    /**
+    @brief
+        Initializes the PickupIdentifier of this pickup.
+    */
+    void SpeedPickup::initializeIdentifier(void)
+    {
+        std::stringstream stream;
+        stream << this->getDuration();
+        std::string type1 = "duration";
+        std::string val1 = stream.str();
+        this->pickupIdentifier_->addParameter(type1, val1);
+
+        stream.clear();
+        stream << this->getSpeedAdd();
+        std::string type2 = "speedAdd";
+        std::string val2 = stream.str();
+        this->pickupIdentifier_->addParameter(type2, val2);
+
+        stream.clear();
+        stream << this->getSpeedMultiply();
+        std::string type3 = "speedMultiply";
+        std::string val3 = stream.str();
+        this->pickupIdentifier_->addParameter(type3, val3);
+    }
+
+    /**
+    @brief
+        Method for creating a SpeedPickup object through XML.
+    */
+    void SpeedPickup::XMLPort(Element& xmlelement, orxonox::XMLPort::Mode mode)
+    {
+        SUPER(SpeedPickup, XMLPort, xmlelement, mode);
+
+        XMLPortParam(SpeedPickup, "duration", setDuration, getDuration, xmlelement, mode);
+        XMLPortParam(SpeedPickup, "speedAdd", setSpeedAdd, getSpeedAdd, xmlelement, mode);
+        XMLPortParam(SpeedPickup, "speedMultiply", setSpeedMultiply, getSpeedMultiply, xmlelement, mode);
+
+        this->initializeIdentifier();
+    }
+
+    /**
+    @brief
+        Is called every tick.
+        Does count down the duration of the SpeedPickup.
+    @param dt
+        The duration of the last tick.
+    */
+    void SpeedPickup::tick(float dt)
+    {
+        if(this->isUsed())
+        {
+            Pawn* pawn = this->carrierToPawnHelper();
+            if(pawn == NULL) //!< If the PickupCarrier is no Pawn, then this pickup is useless and therefore is destroyed.
+                this->destroy();
+
+             //! Calculate the remaining duration of the Pickup
+            float duration=this->getDuration()-dt;
+            this->setDuration(duration);
+
+            //! If duration is over
+            if(this->getDuration() < 0)
+            {
+                this->setUsed(false);
+            }
+        }
+    }
+
+    /**
+    @brief
+        Is called when the pickup has transited from used to unused or the other way around.
+    */
+    void SpeedPickup::changedUsed(void)
+    {
+        SUPER(SpeedPickup, changedUsed);
+
+        //! If the pickup is not picked up nothing must be done.
+        if(!this->isPickedUp())
+            return;
+
+        //! If the pickup has transited to used.
+        if(this->isUsed())
+        {
+            if(this->isOnce())
+            {
+                Pawn* pawn = this->carrierToPawnHelper();
+                if(pawn == NULL) //!< If the PickupCarrier is no Pawn, then this pickup is useless and therefore is destroyed.
+                    this->destroy();
+
+                //! The pickup has been used up.
+                this->setUsed(false);
+            }
+        }
+        else
+        {
+            //! If either the pickup can only be used once or it is continuous and used up, it is destroyed upon setting it to unused.
+            if(this->isOnce() || (this->isContinuous() && this->getDuration() < 0))
+            {
+                this->destroy();
+            }
+        }
+    }
+
+    /**
+    @brief
+        Helper to transform the PickupCarrier to a Pawn, and throw an error message if the conversion fails.
+    @return
+        A pointer to the Pawn, or NULL if the conversion failed.
+    */
+    Pawn* SpeedPickup::carrierToPawnHelper(void)
+    {
+        PickupCarrier* carrier = this->getCarrier();
+        Pawn* pawn = dynamic_cast<Pawn*>(carrier);
+
+        if(pawn == NULL)
+        {
+            COUT(1) << "Invalid PickupCarrier in SpeedPickup." << std::endl;
+        }
+
+        return pawn;
+    }
+
+    /**
+    @brief
+        Creates a duplicate of the input OrxonoxClass.
+    @param item
+        A pointer to the Orxonox class.
+    */
+    void SpeedPickup::clone(OrxonoxClass*& item)
+    {
+        if(item == NULL)
+            item = new SpeedPickup(this);
+
+        SUPER(SpeedPickup, clone, item);
+
+        SpeedPickup* pickup = dynamic_cast<SpeedPickup*>(item);
+        pickup->setDuration(this->getDuration());
+        pickup->setSpeedAdd(this->getSpeedAdd());
+        pickup->setSpeedMultiply(this->getSpeedMultiply());
+
+        pickup->initializeIdentifier();
+    }
+
+    /**
+    @brief
+        Sets the duration.
+    @param duration
+        The duration
+    */
+    void SpeedPickup::setDuration(float duration)
+    {
+        if(duration >= 0.0f)
+        {
+            this->duration_ = duration;
+        }
+        else
+        {
+            COUT(1) << "Invalid duration in SpeedPickup." << std::endl;
+            this->duration_ = 0.0;
+        }
+    }
+
+    /**
+    @brief
+        Sets the SpeedAdd
+    @param speedAdd
+        The added Speed
+    */
+    void SpeedPickup::setSpeedAdd(float speedAdd)
+    {
+        if(speedAdd > 0.0f)
+        {
+            this->speedAdd_ = speedAdd;
+        }
+        else
+        {
+            COUT(1) << "Invalid speedAdd in SpeedPickup." << std::endl;
+            this->speedAdd_ = 0.0;
+        }
+    }
+
+    /**
+    @brief
+        Sets the SpeedMultiply
+    @param speedAdd
+        The multiplied Speed
+    */
+    void SpeedPickup::setSpeedMultiply(float speedMultiply)
+    {
+        if(speedMultiply > 0.0f)
+        {
+            this->speedMultiply_ = speedMultiply;
+        }
+        else
+        {
+            COUT(1) << "Invalid speedMultiply in SpeedPickup." << std::endl;
+            this->speedMultiply_ = 0.0;
+        }
+    }
+}