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source: code/branches/ipv6/src/libraries/core/Resource.h @ 7749

Last change on this file since 7749 was 6746, checked in by rgrieder, 15 years ago

Merged gamestates2 branch back to trunk.
This brings in some heavy changes in the GUI framework.
It should also fix problems with triggered asserts in the InputManager.

Note: PickupInventory does not seem to work —> Segfault when showing because before, the owner in GUIOverlay::setGUIName is already NULL.
I haven't tested it before, so I can't tell whether it's my changes.

  • Property svn:eol-style set to native
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 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#ifndef _Core_Resource_H__
30#define _Core_Resource_H__
31
32#include "CorePrereqs.h"
33
34#include <boost/shared_ptr.hpp>
35#include <OgreDataStream.h>
36#include <OgreStringVector.h>
37
38namespace orxonox
39{
40    // Import the Ogre::DataStreamList
41    using Ogre::DataStreamList;
42    using Ogre::DataStreamListPtr;
43    using Ogre::StringVector;
44    using Ogre::StringVectorPtr;
45
46    //! Stores basic information about a Resource from Ogre
47    struct ResourceInfo
48    {
49        //! The file's fully qualified name
50        std::string filename;
51        //! Path name; separated by '/' and ending with '/'
52        std::string path;
53        //! Base filename
54        std::string basename;
55        //! Resource group the file is in
56        std::string group;
57        //! Uncompressed size
58        size_t size;
59        //! Absolute file path ("" for files not on filesystem)
60        std::string fileSystemPath;
61    };
62
63    /** Provides simple functions to easily access the Ogre::ResourceGroupManager.
64        The wrapper functions also avoid having to deal with resource groups.
65    */
66    class _CoreExport Resource
67    {
68        // Docs by Ogre::ResourceGroupManager.h
69    public:
70        /**
71        @brief
72            Open a single resource by name and return a DataStream
73            pointing at the source of the data.
74        @param name
75            The name of the resource to locate.
76            Even if resource locations are added recursively, you
77            must provide a fully qualified name to this method.
78        @return
79            Shared pointer to data stream containing the data. Will be
80            destroyed automatically when no longer referenced.
81        */
82        static DataStreamPtr open(const std::string& name);
83
84        //! Similar to open(string, string, bool), but with a fileInfo struct
85        static DataStreamPtr open(shared_ptr<ResourceInfo> fileInfo)
86        {
87            return open(fileInfo->filename);
88        }
89
90        /**
91        @brief
92            Open all resources matching a given pattern (which can contain
93            the character '*' as a wildcard), and return a collection of
94            DataStream objects on them.
95        @param pattern
96            The pattern to look for. If resource locations have been
97            added recursively, subdirectories will be searched too so this
98            does not need to be fully qualified.
99        @return
100            Shared pointer to a data stream list , will be
101            destroyed automatically when no longer referenced
102        */
103        static DataStreamListPtr openMulti(const std::string& pattern);
104
105        /**
106            Find out if the named file exists.
107        @param filename
108            Fully qualified name of the file to test for
109        */
110        static bool exists(const std::string& name);
111
112        /**
113            Get struct with information about path and size.
114        @param filename
115            Fully qualified name of the file to test for
116        */
117        static shared_ptr<ResourceInfo> getInfo(const std::string& name);
118
119        /**
120            Retrieves a list with all resources matching a certain pattern.
121        @param pattern
122            The pattern to look for. If resource locations have been
123            added recursively, subdirectories will be searched too so this
124            does not need to be fully qualified.
125        */
126        static StringVectorPtr findResourceNames(const std::string& pattern);
127
128        //! Name of the default resource group (usually "General")
129        static std::string DEFAULT_GROUP;
130
131    private:
132        Resource();
133        ~Resource();
134        Resource(const Resource& instance);
135    };
136}
137
138#endif /* _Core_Resource_H__ */
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