1 | #ifndef __RESOURCEMANAGER_H__
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2 | #define __RESOURCEMANAGER_H__
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3 |
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4 |
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5 | #include <string>
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6 | #include <iostream>
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7 | #include <fstream>
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8 | #include <map>
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9 | #include "common.h"
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10 |
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11 |
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12 |
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13 | class igzstream;
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14 |
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15 |
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16 | namespace CHCDemoEngine
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17 | {
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18 |
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19 | class SceneEntity;
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20 | class Material;
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21 | class Geometry;
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22 | class Texture;
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23 | class Matrix4x4;
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24 | class Transform3;
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25 | class ShaderProgram;
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26 |
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27 |
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28 | /** Loads a scene and also handles the cleanup
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29 | */
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30 | class ResourceManager
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31 | {
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32 | public:
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33 |
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34 | /** Loads a model
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35 | */
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36 | bool Load(const std::string &filename, SceneEntityContainer &geometry);
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37 | /** Returns number of scene entities loaded with this manager.
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38 | */
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39 | int GetNumEntities() const { return (int)mSceneEntities.size(); }
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40 | /** Returns pointer to shape container.
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41 | */
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42 | const ShapeContainer * const GetShapes() const { return &mShapes; }
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43 | /** Returns pointer to scene entity container.
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44 | */
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45 | const SceneEntityContainer * const GetSceneEntities() const { return &mSceneEntities; }
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46 | /** Returns the resource manager as a singleton.
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47 | */
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48 | inline static ResourceManager *GetSingleton();
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49 | /** We also want full control over the delete.
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50 | */
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51 | static void DelSingleton();
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52 | /** Adds a scene entity to be handled by the resource mananger.
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53 | */
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54 | void AddSceneEntity(SceneEntity *ent);
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55 | /** Adds a scene entity to be handled by the resource mananger.
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56 | */
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57 | Transform3 *CreateTransform(const Matrix4x4 &m);
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58 |
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59 |
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60 | protected:
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61 |
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62 | /** Default constructor. The constructor is protected
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63 | to have control over instantiation using the
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64 | singleton pattern.
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65 | */
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66 | ResourceManager();
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67 |
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68 | ~ResourceManager();
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69 |
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70 | void LoadTextures(igzstream &str);
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71 | void LoadShapes(igzstream &str);
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72 | void LoadSceneEntities(igzstream &str, SceneEntityContainer &entities);
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73 |
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74 | SceneEntity *LoadSceneEntity(igzstream &str);
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75 | Material *LoadMaterial(igzstream &str);
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76 | Geometry *LoadGeometry(igzstream &str);
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77 |
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78 | std::map<int, Texture *> mTextureTable;
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79 | std::map<int, Material *> mMaterialTable;
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80 | std::map<int, Geometry *> mGeometryTable;
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81 | //std::map<int, Shape *> mShapesTable;
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82 |
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83 |
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84 | /////////////
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85 | //-- these are kept to be able to delete these resources afterwards
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86 |
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87 | TextureContainer mTextures;
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88 | MaterialContainer mMaterials;
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89 | GeometryContainer mGeometry;
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90 | TransformContainer mTrafos;
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91 | ShapeContainer mShapes;
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92 | //LODContainer mLODs;
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93 | /// the scene entities
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94 | SceneEntityContainer mSceneEntities;
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95 |
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96 | private:
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97 |
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98 | static ResourceManager *sResourceManager;
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99 | };
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100 |
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101 |
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102 | ResourceManager *ResourceManager::GetSingleton()
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103 | {
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104 | if (!sResourceManager)
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105 | sResourceManager = new ResourceManager();
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106 |
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107 | return sResourceManager;
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108 | }
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109 |
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110 |
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111 | }
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112 | #endif
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