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source: code/branches/chat/src/orxonox/pickup/PickupIdentifier.cc @ 6690

Last change on this file since 6690 was 6524, checked in by dafrick, 15 years ago

Merged pickup branch into trunk. Yay. Persisting bugs will be fixed, very soon.

File size: 4.5 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 *      Damian 'Mozork' Frick
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "PickupIdentifier.h"
30
31#include "core/CoreIncludes.h"
32#include "interfaces/Pickupable.h"
33
34namespace orxonox
35{
36   
37    /**
38    @brief
39        Constructor. Registers the object and initializes member variables.
40    */
41    PickupIdentifier::PickupIdentifier(Pickupable* pickup)
42    {
43        RegisterRootObject(PickupIdentifier);
44       
45        this->pickup_ = pickup;
46    }
47   
48    PickupIdentifier::~PickupIdentifier()
49    {
50       
51    }
52   
53    /**
54    @brief
55        Compares two PickupIdentifiers and returns 0 if a == b, <0 if a < b and >0 if a > b for a.compare(b).
56    @param identifier
57        Pointer to the second PickupIdentifier, b.
58    @return
59        Returns an integer. 0 if the two compared PickupIdentifiers are the same, <0 if a < b and >0 if a > b.
60    */
61    int PickupIdentifier::compare(const PickupIdentifier* identifier) const
62    {
63        //! If the classIdentifiers are not the same (meaning the PickupIdentifiers identify different classes), the obviously the two Pickupables identified by the PickupIdentifiers cannot be the same. An ordering is established through the alphabetical ordering of the respective classnames.
64        if(!identifier->pickup_->getIdentifier()->isExactlyA(this->pickup_->getIdentifier()))
65            return this->pickup_->getIdentifier()->getName().compare(identifier->pickup_->getIdentifier()->getName());
66       
67        //! If the class is the same for both PickupIdentifiers we go on to check the parameters of the class.
68        //! If the two have a different number of parameters then obviusly something is very wrong.
69        if(!(this->parameters_.size() == identifier->parameters_.size()))
70        {
71            COUT(1) << "Something went wrong in PickupIdentifier!" << std::endl;
72            return this->parameters_.size()-identifier->parameters_.size();
73        }
74       
75        //! We iterate through all parameters and compar their values (which are strings). The first parameter is the most significant. The ordering is once again established by the alphabetical comparison of the two value strings.
76        for(std::map<std::string, std::string>::const_iterator it = this->parameters_.begin(); it != this->parameters_.end(); it++)
77        {
78            //!< If a parameter present in one of the identifiers is not found in the other, once again, something is very wrong.
79            if(identifier->parameters_.find(it->first) == identifier->parameters_.end())
80            {
81                COUT(1) << "Something went wrong in PickupIdentifier!" << std::endl;
82                return -1;
83            }
84            if(identifier->parameters_.find(it->first)->second != it->second)
85                return it->second.compare(identifier->parameters_.find(it->first)->second);
86        }
87           
88        return false;
89    }
90   
91    /**
92    @brief
93        Add a parameter to the PickupIdentifier.
94    @param name
95        The name of the parameter.
96    @param value
97        The value of the parameter.
98    @return
99        Returns false if the parameter already existed, true if not.
100    */
101    bool PickupIdentifier::addParameter(std::string & name, std::string & value)
102    {
103        COUT(4) << "PickupIdentifier " << name << ", " << value << std::endl;
104       
105        if(!(this->parameters_.find(name) == this->parameters_.end()))
106        {
107            COUT(4) << "Request for adding a parameter that already exists for the PickupIdentififer was denied. name: '" << name << "', value: '" << value << "'."<<  std::endl;
108            return false;
109        }
110       
111        this->parameters_[name] = value;
112       
113        return true;
114    }
115   
116}
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