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source: code/trunk/src/modules/pickup/items/DronePickup.cc @ 11071

Last change on this file since 11071 was 11071, checked in by landauf, 8 years ago

merged branch cpp11_v3 back to trunk

  • Property svn:eol-style set to native
File size: 4.8 KB
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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 *      Lukas Gasser
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file DronePickup.cc
31    @brief Implementation of the DronePickup class.
32*/
33
34#include "DronePickup.h"
35
36#include <sstream>
37#include "core/CoreIncludes.h"
38#include "core/XMLPort.h"
39
40#include "controllers/DroneController.h"
41#include "worldentities/Drone.h"
42#include "worldentities/pawns/Pawn.h"
43
44namespace orxonox
45{
46
47    RegisterClass(DronePickup);
48
49    /**
50    @brief
51        Constructor. Registers the object and initializes the member variables.
52    */
53    DronePickup::DronePickup(Context* context) : Pickup(context)
54    {
55        RegisterObject(DronePickup);
56
57        this->initialize();
58    }
59
60    /**
61    @brief
62        Destructor.
63    */
64    DronePickup::~DronePickup()
65    {
66
67    }
68
69    /**
70    @brief
71        Initializes the member variables.
72    */
73    void DronePickup::initialize(void)
74    {
75        this->addTarget(ClassIdentifier<Pawn>::getIdentifier());
76        this->setDurationType(PickupDurationType::once);
77        this->droneTemplate_ = "";
78    }
79
80    /**
81    @brief
82        Method for creating a DronePickup object through XML.
83    */
84    void DronePickup::XMLPort(Element& xmlelement, orxonox::XMLPort::Mode mode)
85    {
86        SUPER(DronePickup, XMLPort, xmlelement, mode);
87        XMLPortParam(DronePickup, "droneTemplate", setDroneTemplate, getDroneTemplate, xmlelement, mode);
88    }
89
90    /**
91    @brief
92        Set the droneTemplate.
93    @param templatename
94        The name of the Template to e set.
95    */
96    void DronePickup::setDroneTemplate(const std::string& templatename){
97        droneTemplate_ = templatename;
98    }
99
100    /**
101    @brief
102        Get the name of the droneTemplate.
103    @return
104        Returns the name of the droneTemplate.
105    */
106    const std::string& DronePickup::getDroneTemplate() const
107    {
108        return droneTemplate_;
109    }
110
111    /**
112    @brief
113        Is called when the pickup has transited from used to unused or the other way around.
114    */
115    void DronePickup::changedUsed(void)
116    {
117        SUPER(DronePickup, changedUsed);
118
119        // If the pickup has transited to used.
120        if(this->isUsed())
121        {
122
123                Pawn* pawn = this->carrierToPawnHelper();
124                if(pawn == nullptr) // If the PickupCarrier is no Pawn, then this pickup is useless and therefore is destroyed.
125                    this->Pickupable::destroy();
126
127                //Attach to pawn
128                Drone* drone = new Drone(pawn->getContext()); // this is neccessary because the projectiles fired need a valid creator for the particlespawner (when colliding against something)
129                drone->addTemplate(this->getDroneTemplate());
130
131                Controller* controller = drone->getController();
132                DroneController* droneController = orxonox_cast<DroneController*>(controller);
133                if(droneController != nullptr)
134                {
135                    droneController->setOwner(pawn);
136                }
137
138                Vector3 spawnPosition = pawn->getWorldPosition() + Vector3(30,0,-30);
139                drone->setPosition(spawnPosition);
140
141                // The pickup has been used up.
142                this->setUsed(false);
143        }
144        else
145        {
146            // If either the pickup can only be used once or it is continuous and used up, it is destroyed upon setting it to unused.
147            if(this->isOnce() || (this->isContinuous() ))
148            {
149                this->Pickupable::destroy();
150            }
151        }
152    }
153
154    /**
155    @brief
156        Helper to transform the PickupCarrier to a Pawn, and throw an error message if the conversion fails.
157    @return
158        A pointer to the Pawn, or nullptr if the conversion failed.
159    */
160    Pawn* DronePickup::carrierToPawnHelper(void)
161    {
162        PickupCarrier* carrier = this->getCarrier();
163        Pawn* pawn = orxonox_cast<Pawn*>(carrier);
164
165        if(pawn == nullptr)
166        {
167            orxout(internal_error, context::pickups) << "Invalid PickupCarrier in DronePickup." << endl;
168        }
169
170        return pawn;
171    }
172}
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