[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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[2852] | 58 |
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[2844] | 59 | ///////////////
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| 60 | //-- load lod levels
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[2842] | 61 |
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[2853] | 62 | // note: lods must be ordered from smallest distance to largest
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[2844] | 63 | int numLODs;
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| 64 | str.read(reinterpret_cast<char *>(&numLODs), sizeof(int));
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[2842] | 65 |
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[2844] | 66 | for (int i = 0; i < numLODs; ++ i)
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| 67 | {
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[2853] | 68 | float dist;
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| 69 | str.read(reinterpret_cast<char *>(&dist), sizeof(float));
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[2844] | 70 |
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| 71 | int numShapes;
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| 72 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 73 |
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[2853] | 74 | LODLevel *lodLevel = new LODLevel(dist);
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[2844] | 75 |
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| 76 | for (int j = 0; j < numShapes; ++ j)
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| 77 | {
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| 78 | int shapeId;
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| 79 | str.read(reinterpret_cast<char *>(&shapeId), sizeof(int));
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| 80 |
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| 81 | Geometry *geom = mGeometryTable[shapeId];
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| 82 | Material *mat = mMaterialTable[shapeId];
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| 83 |
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| 84 | // create shape
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| 85 | Shape *shape = new Shape(geom, mat, sceneGeom);
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| 86 |
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| 87 | mShapes.push_back(shape);
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| 88 |
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| 89 | sceneGeom->AddShape(shape);
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[2848] | 90 | lodLevel->AddShape(shape);
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[2844] | 91 | }
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| 92 |
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| 93 | sceneGeom->AddLODLevel(lodLevel);
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| 94 | }
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| 95 |
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[2755] | 96 | return sceneGeom;
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[2747] | 97 | }
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| 98 |
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| 99 |
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[2795] | 100 | void ResourceManager::LoadTextures(igzstream &str)
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[2757] | 101 | {
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| 102 | int numTextures;
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| 103 | str.read(reinterpret_cast<char *>(&numTextures), sizeof(int));
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| 104 |
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| 105 | for (int i = 0; i < numTextures; ++ i)
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| 106 | {
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| 107 | // texture
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| 108 | int texnameSize;
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| 109 |
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| 110 | str.read(reinterpret_cast<char *>(&texnameSize), sizeof(int));
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| 111 |
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| 112 | char *texname = new char[texnameSize];
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| 113 | str.read(texname, sizeof(char) * texnameSize);
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| 114 |
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[2784] | 115 | Texture *tex = new Texture(model_path + texname);
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[2757] | 116 |
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[2846] | 117 | int boundS, boundT;
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| 118 |
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| 119 | str.read(reinterpret_cast<char *>(&boundS), sizeof(int));
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| 120 | str.read(reinterpret_cast<char *>(&boundT), sizeof(int));
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| 121 |
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| 122 | tex->SetBoundaryModeS(boundS);
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| 123 | tex->SetBoundaryModeT(boundT);
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| 124 |
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| 125 | tex->Create();
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| 126 |
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[2764] | 127 | mTextureTable[i] = tex;
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[2795] | 128 | mTextures.push_back(tex);
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[2757] | 129 | }
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[2764] | 130 |
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[2800] | 131 | cout << "loaded " << (int)mTextureTable.size() << " textures" << endl;
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[2757] | 132 | }
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| 133 |
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| 134 |
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[2795] | 135 | void ResourceManager::LoadShapes(igzstream &str)
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[2764] | 136 | {
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| 137 | int numShapes;
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| 138 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 139 |
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| 140 | for (int i = 0; i < numShapes; ++ i)
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| 141 | {
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| 142 | Geometry *geom = LoadGeometry(str);
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| 143 | Material *mat = LoadMaterial(str);
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| 144 |
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| 145 | mGeometryTable[i] = geom;
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[2842] | 146 | mMaterialTable[i] = mat;
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[2795] | 147 |
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| 148 | mGeometry.push_back(geom);
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| 149 | mMaterials.push_back(mat);
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[2764] | 150 | }
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| 151 |
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[2800] | 152 | cout << "loaded " << (int)mGeometryTable.size() << " shapes" << endl;
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[2764] | 153 | }
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| 154 |
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| 155 |
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[2795] | 156 | Material *ResourceManager::LoadMaterial(igzstream &str)
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[2747] | 157 | {
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[2756] | 158 | // default material
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[2755] | 159 | Material *mat = new Material();
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[2756] | 160 |
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[2747] | 161 | // texture
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[2757] | 162 | int texId;
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| 163 | str.read(reinterpret_cast<char *>(&texId), sizeof(int));
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[2747] | 164 |
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[2757] | 165 | if (texId >= 0)
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| 166 | mat->SetTexture(mTextureTable[texId]);
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[2764] | 167 |
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[2769] | 168 | str.read(reinterpret_cast<char *>(&mat->mAlphaTestEnabled), sizeof(bool));
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[2747] | 169 |
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[2845] | 170 | str.read(reinterpret_cast<char *>(&mat->mCullFaceEnabled), sizeof(bool));
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[2844] | 171 |
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[2747] | 172 | // material
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[2769] | 173 | bool hasMaterial;
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| 174 | str.read(reinterpret_cast<char *>(&hasMaterial), sizeof(bool));
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[2747] | 175 |
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| 176 | if (hasMaterial)
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| 177 | {
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[2769] | 178 | // only write rgb part of the material
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| 179 | str.read(reinterpret_cast<char *>(&mat->mAmbientColor), sizeof(Vector3));
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| 180 | str.read(reinterpret_cast<char *>(&mat->mDiffuseColor), sizeof(Vector3));
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[2795] | 181 | str.read(reinterpret_cast<char *>(&mat->mEmmisiveColor), sizeof(Vector3));
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[2769] | 182 | str.read(reinterpret_cast<char *>(&mat->mSpecularColor), sizeof(Vector3));
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[2747] | 183 | }
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| 184 |
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[2755] | 185 | return mat;
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[2747] | 186 | }
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| 187 |
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| 188 |
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[2795] | 189 | Geometry *ResourceManager::LoadGeometry(igzstream &str)
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[2747] | 190 | {
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[2756] | 191 | Vector3 *vertices;
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| 192 | Vector3 *normals;
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| 193 | float *texcoords;
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[2747] | 194 |
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| 195 |
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[2756] | 196 | //////////////
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| 197 | //-- read in vertices
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[2747] | 198 |
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[2756] | 199 | int vertexCount;
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| 200 | str.read(reinterpret_cast<char *>(&vertexCount), sizeof(int));
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[2747] | 201 |
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| 202 | // end of file reached
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| 203 | if (str.eof())
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| 204 | return NULL;
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| 205 |
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[2757] | 206 | //cout << "vertexcount: " << vertexCount << endl;
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[2747] | 207 |
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[2756] | 208 | vertices = new Vector3[vertexCount];
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| 209 | str.read(reinterpret_cast<char *>(vertices), sizeof(Vector3) * vertexCount);
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[2747] | 210 |
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[2756] | 211 | normals = new Vector3[vertexCount];
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| 212 | str.read(reinterpret_cast<char *>(normals), sizeof(Vector3) * vertexCount);
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[2747] | 213 |
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[2756] | 214 | int texCoordCount;
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| 215 | str.read(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
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[2747] | 216 |
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[2756] | 217 | if (texCoordCount)
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[2747] | 218 | {
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[2756] | 219 | texcoords = new float[texCoordCount * 2];
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| 220 | str.read(reinterpret_cast<char *>(texcoords), sizeof(float) * vertexCount * 2);
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[2747] | 221 | }
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[2756] | 222 | else
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[2811] | 223 | {
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[2756] | 224 | texcoords = NULL;
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[2811] | 225 | }
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[2833] | 226 |
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[2747] | 227 |
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[2833] | 228 | return new Geometry(vertices, normals, texcoords, vertexCount, true);
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[2747] | 229 | }
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| 230 |
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| 231 |
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[2795] | 232 | void ResourceManager::LoadSceneEntities(igzstream &str, SceneEntityContainer &entities)
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[2747] | 233 | {
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[2764] | 234 | int entityCount;
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| 235 | str.read(reinterpret_cast<char *>(&entityCount), sizeof(int));
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| 236 |
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| 237 | entities.resize(entityCount);
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| 238 |
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| 239 | for (int i = 0; i < entityCount; ++ i)
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| 240 | {
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| 241 | SceneEntity *ent = LoadSceneEntity(str);
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| 242 | entities[i] = ent;
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[2842] | 243 |
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[2795] | 244 | mSceneEntities.push_back(ent);
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[2764] | 245 | }
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| 246 |
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| 247 | cout << "loaded " << entityCount << " scene entities" << endl;
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| 248 | }
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| 249 |
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| 250 |
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[2795] | 251 | bool ResourceManager::Load(const std::string &filename, SceneEntityContainer &entities)
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[2764] | 252 | {
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[2795] | 253 | igzstream istr(filename.c_str());
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[2747] | 254 |
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[2756] | 255 | if (!istr.is_open())
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[2747] | 256 | return false;
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| 257 |
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[2764] | 258 | cout << "loading textures" << endl;
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| 259 |
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[2757] | 260 | // load the texture table
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| 261 | LoadTextures(istr);
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| 262 |
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[2764] | 263 | cout << "loading shapes (geometry + materials)" << endl;
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[2747] | 264 |
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[2764] | 265 | // load the shapees
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| 266 | LoadShapes(istr);
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[2762] | 267 |
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[2764] | 268 | cout << "loading scene entites" << endl;
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| 269 | LoadSceneEntities(istr, entities);
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[2763] | 270 |
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[2756] | 271 | cout << "bin loading finished" << endl;
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[2747] | 272 |
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[2795] | 273 | // clean up
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| 274 | mTextureTable.clear();
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| 275 | mGeometryTable.clear();
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| 276 | mMaterialTable.clear();
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[2842] | 277 | //mShapesTable.clear();
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[2795] | 278 |
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[2756] | 279 | return true;
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[2747] | 280 | }
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| 281 |
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| 282 | }
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