Mercurial > fife-parpg

annotate engine/core/util/resource/resource.h @ 495:ae9f5383f5b1

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Added a new log module called Script. This should be used by the python modules. Did some code cleanup and comment cleanup. Added some more visible log modules to the shooter demo for fun.
author prock@33b003aa-7bff-0310-803a-e67f0ece8222
date Tue, 11 May 2010 21:30:55 +0000
parents 90005975cdbb
children
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_RESOURE_H
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23 #define FIFE_RESOURE_H
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24
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25 // Standard C++ library includes
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27 // 3rd party library includes
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28
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29 // FIFE includes
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30 // These includes are split up in two parts, separated by one empty line
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31 // First block: files included from the FIFE root src directory
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32 // Second block: files included from the same folder
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33 #include "resource_location.h"
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34
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35 namespace FIFE {
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36
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37 class IReferenceCounted {
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38 public:
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39 virtual ~IReferenceCounted() { }
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40
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41 /** Calling this method marks resource be used by some resource client.
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42 * It adds one to resource counter that is kept up by the resource itself.
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43 * When resource is about to be deleted (e.g. due to pooling algorithms),
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44 * reference counter is inspected. In case value is non-zero, resource
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45 * shouldn't be deleted.
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46 */
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47 virtual void addRef() = 0;
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48
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49 /** Calling this method unmarks resource be used by a resource client.
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50 * @see addRef
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51 */
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52 virtual void decRef() = 0;
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53
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54 /** Gets the current reference count
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55 * @see addRef
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56 */
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57 virtual unsigned int getRefCount() = 0;
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58 };
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59
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60 /** IResource is the internal representation of a loaded file.
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61 * One resource is always associated with one file (resource location).
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62 */
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63 class IResource: public virtual IReferenceCounted {
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64 public:
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65 virtual ~IResource() { }
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66
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67 /** Get the location/file of this resource.
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68 */
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69 virtual const ResourceLocation& getResourceLocation() = 0;
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70 virtual const std::string& getResourceFile() = 0;
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71
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72 /** Change the location/file of this resource.
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73 */
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74 virtual void setResourceLocation(const ResourceLocation& location) = 0;
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75 virtual void setResourceFile(const std::string& filename) = 0;
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76
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77 /** returns -1 if not pooled, otherwise its a valid id
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78 */
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79 virtual int getPoolId() = 0;
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80 virtual void setPoolId(int poolid) = 0;
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81 };
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82
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83 /** ResourceLoader defines a class for loading resources. The resource returned is owned by
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84 * the caller, and must be deleted when finished.
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85 * In case allocation fails, or loader cannot load given location, NULL is returned
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86 */
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87 class ResourceLoader {
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88 public:
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89 virtual ~ResourceLoader() { };
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90 virtual IResource* loadResource(const ResourceLocation& location) = 0;
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91 };
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92
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93 /** ResourceSaver defines a class for saving Resources.
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94 */
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95 class ResourceSaver {
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96 public:
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97 virtual ~ResourceSaver() { };
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98
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99 virtual void save(const ResourceLocation& location, IResource* resource) = 0;
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100 virtual void save(const std::string& filename, IResource* resource) { save(ResourceLocation(filename), resource); }
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101 };
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102 }
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103
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104 #endif