[2795] | 1 | #include "ResourceManager.h"
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[2755] | 2 | #include "Matrix4x4.h"
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| 3 | #include "Geometry.h"
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[2756] | 4 | #include "SceneEntity.h"
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[2755] | 5 | #include "Material.h"
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[2756] | 6 | #include "Texture.h"
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[2795] | 7 | #include "gzstream.h"
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[2823] | 8 | #include "Matrix4x4.h"
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| 9 | #include "Vector3.h"
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[2840] | 10 | #include "Transform3.h"
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[2842] | 11 | #include "Shape.h"
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[2844] | 12 | #include "LODInfo.h"
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[2747] | 13 |
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| 14 |
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| 15 | using namespace std;
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| 16 |
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| 17 |
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[2776] | 18 | namespace CHCDemoEngine
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[2755] | 19 | {
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[2747] | 20 |
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[2755] | 21 |
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[2795] | 22 | ResourceManager::~ResourceManager()
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[2781] | 23 | {
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[2795] | 24 | // delete all resources.
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| 25 | CLEAR_CONTAINER(mSceneEntities);
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| 26 | CLEAR_CONTAINER(mGeometry);
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| 27 | CLEAR_CONTAINER(mMaterials);
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| 28 | CLEAR_CONTAINER(mTextures);
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| 29 | CLEAR_CONTAINER(mTrafos);
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[2842] | 30 | CLEAR_CONTAINER(mShapes);
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[2781] | 31 | }
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| 32 |
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[2795] | 33 |
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| 34 | SceneEntity *ResourceManager::LoadSceneEntity(igzstream &str)
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[2747] | 35 | {
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[2764] | 36 | bool hasTrafo;
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| 37 | str.read(reinterpret_cast<char *>(&hasTrafo), sizeof(bool));
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| 38 |
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[2840] | 39 | Matrix4x4 *m;
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[2764] | 40 |
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[2823] | 41 | SceneEntity *sceneGeom;
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| 42 |
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[2764] | 43 | if (!hasTrafo)
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| 44 | {
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[2840] | 45 | m = NULL;
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[2764] | 46 | }
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| 47 | else
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| 48 | {
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[2840] | 49 | m = new Matrix4x4();
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| 50 | str.read(reinterpret_cast<char *>(m->x), sizeof(Matrix4x4));
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[2764] | 51 | }
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| 52 |
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[2840] | 53 | Transform3 *trafo = new Transform3(m);
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| 54 | mTrafos.push_back(trafo);
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[2844] | 55 |
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[2839] | 56 | sceneGeom = new SceneEntity(trafo);
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[2825] | 57 |
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[2844] | 58 | ///////////////
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| 59 | //-- load lod levels
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[2842] | 60 |
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[2844] | 61 | int numLODs;
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| 62 | str.read(reinterpret_cast<char *>(&numLODs), sizeof(int));
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[2842] | 63 |
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[2844] | 64 | //if (numLODs > 1) cout << "numlods: " << numLODs << endl;
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| 65 | for (int i = 0; i < numLODs; ++ i)
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| 66 | {
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| 67 | float distance;
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| 68 | str.read(reinterpret_cast<char *>(&distance), sizeof(float));
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| 69 |
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| 70 | int numShapes;
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| 71 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 72 |
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| 73 | //if (numLODs > 1) cout << "dist: " << distance << " shapes: " << numShapes;
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| 74 |
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| 75 | LODLevel *lodLevel = new LODLevel(distance);
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| 76 |
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| 77 | for (int j = 0; j < numShapes; ++ j)
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| 78 | {
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| 79 | int shapeId;
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| 80 | str.read(reinterpret_cast<char *>(&shapeId), sizeof(int));
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| 81 |
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| 82 | //if (numLODs > 1) cout << " id " << shapeId;
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| 83 |
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| 84 | Geometry *geom = mGeometryTable[shapeId];
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| 85 | Material *mat = mMaterialTable[shapeId];
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| 86 |
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| 87 | // create shape
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| 88 | Shape *shape = new Shape(geom, mat, sceneGeom);
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| 89 |
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| 90 | mShapes.push_back(shape);
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| 91 |
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| 92 | sceneGeom->AddShape(shape);
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[2848] | 93 | lodLevel->AddShape(shape);
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[2844] | 94 | }
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| 95 |
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| 96 | //if (numLODs > 1) cout << endl;
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| 97 |
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| 98 | sceneGeom->AddLODLevel(lodLevel);
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| 99 | }
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| 100 |
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[2755] | 101 | return sceneGeom;
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[2747] | 102 | }
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| 103 |
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| 104 |
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[2795] | 105 | void ResourceManager::LoadTextures(igzstream &str)
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[2757] | 106 | {
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| 107 | int numTextures;
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| 108 | str.read(reinterpret_cast<char *>(&numTextures), sizeof(int));
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| 109 |
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| 110 | for (int i = 0; i < numTextures; ++ i)
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| 111 | {
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| 112 | // texture
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| 113 | int texnameSize;
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| 114 |
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[2764] | 115 | //str.read(reinterpret_cast<char *>(&id), sizeof(int));
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[2757] | 116 | str.read(reinterpret_cast<char *>(&texnameSize), sizeof(int));
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| 117 |
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| 118 | char *texname = new char[texnameSize];
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| 119 | str.read(texname, sizeof(char) * texnameSize);
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| 120 |
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[2784] | 121 | Texture *tex = new Texture(model_path + texname);
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[2757] | 122 |
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[2846] | 123 | int boundS, boundT;
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| 124 |
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| 125 | str.read(reinterpret_cast<char *>(&boundS), sizeof(int));
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| 126 | str.read(reinterpret_cast<char *>(&boundT), sizeof(int));
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| 127 |
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| 128 | tex->SetBoundaryModeS(boundS);
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| 129 | tex->SetBoundaryModeT(boundT);
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| 130 |
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| 131 | //tex->SetBoundaryModeS(Texture::CLAMP);
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| 132 | //tex->SetBoundaryModeT(Texture::CLAMP);
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| 133 |
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| 134 | tex->Create();
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| 135 |
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[2764] | 136 | mTextureTable[i] = tex;
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[2795] | 137 | mTextures.push_back(tex);
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[2757] | 138 | }
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[2764] | 139 |
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[2800] | 140 | cout << "loaded " << (int)mTextureTable.size() << " textures" << endl;
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[2757] | 141 | }
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| 142 |
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| 143 |
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[2795] | 144 | void ResourceManager::LoadShapes(igzstream &str)
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[2764] | 145 | {
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| 146 | int numShapes;
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| 147 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 148 |
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| 149 | for (int i = 0; i < numShapes; ++ i)
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| 150 | {
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| 151 | Geometry *geom = LoadGeometry(str);
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| 152 | Material *mat = LoadMaterial(str);
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| 153 |
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| 154 | mGeometryTable[i] = geom;
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[2842] | 155 | mMaterialTable[i] = mat;
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[2795] | 156 |
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| 157 | mGeometry.push_back(geom);
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| 158 | mMaterials.push_back(mat);
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[2764] | 159 | }
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| 160 |
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[2800] | 161 | cout << "loaded " << (int)mGeometryTable.size() << " shapes" << endl;
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[2764] | 162 | }
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| 163 |
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| 164 |
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[2795] | 165 | Material *ResourceManager::LoadMaterial(igzstream &str)
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[2747] | 166 | {
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[2756] | 167 | // default material
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[2755] | 168 | Material *mat = new Material();
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[2756] | 169 |
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[2747] | 170 | // texture
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[2757] | 171 | int texId;
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| 172 | str.read(reinterpret_cast<char *>(&texId), sizeof(int));
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[2747] | 173 |
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[2757] | 174 | if (texId >= 0)
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| 175 | mat->SetTexture(mTextureTable[texId]);
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[2764] | 176 |
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[2769] | 177 | str.read(reinterpret_cast<char *>(&mat->mAlphaTestEnabled), sizeof(bool));
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[2747] | 178 |
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[2845] | 179 | str.read(reinterpret_cast<char *>(&mat->mCullFaceEnabled), sizeof(bool));
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[2844] | 180 |
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[2747] | 181 | // material
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[2769] | 182 | bool hasMaterial;
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| 183 | str.read(reinterpret_cast<char *>(&hasMaterial), sizeof(bool));
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[2747] | 184 |
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| 185 | if (hasMaterial)
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| 186 | {
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[2769] | 187 | // only write rgb part of the material
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| 188 | str.read(reinterpret_cast<char *>(&mat->mAmbientColor), sizeof(Vector3));
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| 189 | str.read(reinterpret_cast<char *>(&mat->mDiffuseColor), sizeof(Vector3));
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[2795] | 190 | str.read(reinterpret_cast<char *>(&mat->mEmmisiveColor), sizeof(Vector3));
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[2769] | 191 | str.read(reinterpret_cast<char *>(&mat->mSpecularColor), sizeof(Vector3));
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[2747] | 192 | }
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| 193 |
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[2755] | 194 | return mat;
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[2747] | 195 | }
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| 196 |
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| 197 |
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[2795] | 198 | Geometry *ResourceManager::LoadGeometry(igzstream &str)
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[2747] | 199 | {
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[2756] | 200 | Vector3 *vertices;
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| 201 | Vector3 *normals;
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| 202 | float *texcoords;
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[2747] | 203 |
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| 204 |
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[2756] | 205 | //////////////
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| 206 | //-- read in vertices
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[2747] | 207 |
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[2756] | 208 | int vertexCount;
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| 209 | str.read(reinterpret_cast<char *>(&vertexCount), sizeof(int));
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[2747] | 210 |
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| 211 | // end of file reached
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| 212 | if (str.eof())
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| 213 | return NULL;
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| 214 |
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[2757] | 215 | //cout << "vertexcount: " << vertexCount << endl;
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[2747] | 216 |
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[2756] | 217 | vertices = new Vector3[vertexCount];
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| 218 | str.read(reinterpret_cast<char *>(vertices), sizeof(Vector3) * vertexCount);
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[2747] | 219 |
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[2756] | 220 | normals = new Vector3[vertexCount];
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| 221 | str.read(reinterpret_cast<char *>(normals), sizeof(Vector3) * vertexCount);
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[2747] | 222 |
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[2756] | 223 | int texCoordCount;
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| 224 | str.read(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
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[2747] | 225 |
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[2756] | 226 | if (texCoordCount)
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[2747] | 227 | {
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[2756] | 228 | texcoords = new float[texCoordCount * 2];
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| 229 | str.read(reinterpret_cast<char *>(texcoords), sizeof(float) * vertexCount * 2);
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[2747] | 230 | }
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[2756] | 231 | else
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[2811] | 232 | {
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[2756] | 233 | texcoords = NULL;
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[2811] | 234 | }
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[2833] | 235 |
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[2747] | 236 |
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[2833] | 237 | return new Geometry(vertices, normals, texcoords, vertexCount, true);
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[2747] | 238 | }
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| 239 |
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| 240 |
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[2795] | 241 | void ResourceManager::LoadSceneEntities(igzstream &str, SceneEntityContainer &entities)
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[2747] | 242 | {
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[2764] | 243 | int entityCount;
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| 244 | str.read(reinterpret_cast<char *>(&entityCount), sizeof(int));
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| 245 |
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| 246 | entities.resize(entityCount);
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| 247 |
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| 248 | for (int i = 0; i < entityCount; ++ i)
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| 249 | {
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| 250 | SceneEntity *ent = LoadSceneEntity(str);
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| 251 | entities[i] = ent;
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[2842] | 252 |
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[2795] | 253 | mSceneEntities.push_back(ent);
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[2764] | 254 | }
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| 255 |
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| 256 | cout << "loaded " << entityCount << " scene entities" << endl;
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| 257 | }
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| 258 |
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| 259 |
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[2795] | 260 | bool ResourceManager::Load(const std::string &filename, SceneEntityContainer &entities)
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[2764] | 261 | {
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[2795] | 262 | igzstream istr(filename.c_str());
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[2747] | 263 |
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[2756] | 264 | if (!istr.is_open())
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[2747] | 265 | return false;
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| 266 |
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[2764] | 267 | cout << "loading textures" << endl;
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| 268 |
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[2757] | 269 | // load the texture table
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| 270 | LoadTextures(istr);
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| 271 |
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[2764] | 272 | cout << "loading shapes (geometry + materials)" << endl;
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[2747] | 273 |
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[2764] | 274 | // load the shapees
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| 275 | LoadShapes(istr);
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[2762] | 276 |
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[2764] | 277 | cout << "loading scene entites" << endl;
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| 278 | LoadSceneEntities(istr, entities);
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[2763] | 279 |
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[2756] | 280 | cout << "bin loading finished" << endl;
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[2747] | 281 |
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[2795] | 282 | // clean up
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| 283 | mTextureTable.clear();
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| 284 | mGeometryTable.clear();
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| 285 | mMaterialTable.clear();
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[2842] | 286 | //mShapesTable.clear();
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[2795] | 287 |
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[2756] | 288 | return true;
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[2747] | 289 | }
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| 290 |
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| 291 | }
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