[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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[3034] | 13 | #include "RenderState.h"
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| 14 | #include "ShaderProgram.h"
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[2747] | 15 |
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| 16 |
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[3021] | 17 | #ifdef _CRT_SET
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| 18 | #define _CRTDBG_MAP_ALLOC
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| 19 | #include <stdlib.h>
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| 20 | #include <crtdbg.h>
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| 21 |
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| 22 | // redefine new operator
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| 23 | #define DEBUG_NEW new(_NORMAL_BLOCK, __FILE__, __LINE__)
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| 24 | #define new DEBUG_NEW
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| 25 | #endif
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| 26 |
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| 27 |
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[2747] | 28 | using namespace std;
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| 29 |
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| 30 |
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[2776] | 31 | namespace CHCDemoEngine
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[2755] | 32 | {
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[2747] | 33 |
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[2755] | 34 |
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[2795] | 35 | ResourceManager::~ResourceManager()
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[2781] | 36 | {
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[2795] | 37 | // delete all resources.
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| 38 | CLEAR_CONTAINER(mSceneEntities);
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| 39 | CLEAR_CONTAINER(mGeometry);
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| 40 | CLEAR_CONTAINER(mMaterials);
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| 41 | CLEAR_CONTAINER(mTextures);
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| 42 | CLEAR_CONTAINER(mTrafos);
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[2842] | 43 | CLEAR_CONTAINER(mShapes);
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[3019] | 44 | CLEAR_CONTAINER(mLODs);
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[2781] | 45 | }
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| 46 |
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[2795] | 47 |
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| 48 | SceneEntity *ResourceManager::LoadSceneEntity(igzstream &str)
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[2747] | 49 | {
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[2764] | 50 | bool hasTrafo;
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| 51 | str.read(reinterpret_cast<char *>(&hasTrafo), sizeof(bool));
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| 52 |
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[2823] | 53 | SceneEntity *sceneGeom;
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[2957] | 54 | Transform3 *trafo;
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[2823] | 55 |
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[2764] | 56 | if (!hasTrafo)
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| 57 | {
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[2961] | 58 | // identity
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[2957] | 59 | trafo = new Transform3();
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[2764] | 60 | }
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| 61 | else
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| 62 | {
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[2957] | 63 | Matrix4x4 m;
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| 64 | str.read(reinterpret_cast<char *>(m.x), sizeof(Matrix4x4));
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| 65 |
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| 66 | trafo = new Transform3(m);
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[2764] | 67 | }
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| 68 |
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[2840] | 69 | mTrafos.push_back(trafo);
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[2844] | 70 |
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[2839] | 71 | sceneGeom = new SceneEntity(trafo);
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[2825] | 72 |
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[2852] | 73 |
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[2844] | 74 | ///////////////
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| 75 | //-- load lod levels
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[2842] | 76 |
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[2853] | 77 | // note: lods must be ordered from smallest distance to largest
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[2844] | 78 | int numLODs;
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| 79 | str.read(reinterpret_cast<char *>(&numLODs), sizeof(int));
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[2842] | 80 |
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[2844] | 81 | for (int i = 0; i < numLODs; ++ i)
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| 82 | {
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[2853] | 83 | float dist;
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| 84 | str.read(reinterpret_cast<char *>(&dist), sizeof(float));
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[2844] | 85 |
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| 86 | int numShapes;
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| 87 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 88 |
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[2853] | 89 | LODLevel *lodLevel = new LODLevel(dist);
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[2844] | 90 |
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| 91 | for (int j = 0; j < numShapes; ++ j)
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| 92 | {
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| 93 | int shapeId;
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| 94 | str.read(reinterpret_cast<char *>(&shapeId), sizeof(int));
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| 95 |
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| 96 | Geometry *geom = mGeometryTable[shapeId];
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| 97 | Material *mat = mMaterialTable[shapeId];
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| 98 |
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| 99 | // create shape
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| 100 | Shape *shape = new Shape(geom, mat, sceneGeom);
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| 101 |
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| 102 | mShapes.push_back(shape);
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| 103 |
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| 104 | sceneGeom->AddShape(shape);
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[2848] | 105 | lodLevel->AddShape(shape);
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[2844] | 106 | }
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| 107 |
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[3019] | 108 | mLODs.push_back(lodLevel);
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[2844] | 109 | sceneGeom->AddLODLevel(lodLevel);
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| 110 | }
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| 111 |
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[2755] | 112 | return sceneGeom;
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[2747] | 113 | }
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| 114 |
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| 115 |
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[2795] | 116 | void ResourceManager::LoadTextures(igzstream &str)
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[2757] | 117 | {
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| 118 | int numTextures;
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| 119 | str.read(reinterpret_cast<char *>(&numTextures), sizeof(int));
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[2961] | 120 |
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[2757] | 121 | for (int i = 0; i < numTextures; ++ i)
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| 122 | {
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[2961] | 123 | // load texture name
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[2757] | 124 | int texnameSize;
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| 125 | str.read(reinterpret_cast<char *>(&texnameSize), sizeof(int));
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| 126 |
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| 127 | char *texname = new char[texnameSize];
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| 128 | str.read(texname, sizeof(char) * texnameSize);
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| 129 |
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[2784] | 130 | Texture *tex = new Texture(model_path + texname);
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[2757] | 131 |
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[2846] | 132 | int boundS, boundT;
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| 133 |
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| 134 | str.read(reinterpret_cast<char *>(&boundS), sizeof(int));
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| 135 | str.read(reinterpret_cast<char *>(&boundT), sizeof(int));
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| 136 |
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| 137 | tex->SetBoundaryModeS(boundS);
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| 138 | tex->SetBoundaryModeT(boundT);
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| 139 |
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| 140 | tex->Create();
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| 141 |
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[2764] | 142 | mTextureTable[i] = tex;
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[2795] | 143 | mTextures.push_back(tex);
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[3021] | 144 |
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| 145 | delete [] texname;
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[2757] | 146 | }
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[2764] | 147 |
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[2800] | 148 | cout << "loaded " << (int)mTextureTable.size() << " textures" << endl;
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[2757] | 149 | }
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| 150 |
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| 151 |
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[2795] | 152 | void ResourceManager::LoadShapes(igzstream &str)
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[2764] | 153 | {
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| 154 | int numShapes;
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| 155 | str.read(reinterpret_cast<char *>(&numShapes), sizeof(int));
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| 156 |
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| 157 | for (int i = 0; i < numShapes; ++ i)
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| 158 | {
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| 159 | Geometry *geom = LoadGeometry(str);
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| 160 | Material *mat = LoadMaterial(str);
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| 161 |
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| 162 | mGeometryTable[i] = geom;
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[2842] | 163 | mMaterialTable[i] = mat;
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[2795] | 164 |
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| 165 | mGeometry.push_back(geom);
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| 166 | mMaterials.push_back(mat);
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[2764] | 167 | }
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| 168 |
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[2800] | 169 | cout << "loaded " << (int)mGeometryTable.size() << " shapes" << endl;
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[2764] | 170 | }
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| 171 |
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| 172 |
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[2795] | 173 | Material *ResourceManager::LoadMaterial(igzstream &str)
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[2747] | 174 | {
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[2756] | 175 | // default material
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[2755] | 176 | Material *mat = new Material();
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[2756] | 177 |
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[2747] | 178 | // texture
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[2757] | 179 | int texId;
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| 180 | str.read(reinterpret_cast<char *>(&texId), sizeof(int));
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[2747] | 181 |
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[2982] | 182 | if (texId >= 0)
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[2757] | 183 | mat->SetTexture(mTextureTable[texId]);
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[2764] | 184 |
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[2769] | 185 | str.read(reinterpret_cast<char *>(&mat->mAlphaTestEnabled), sizeof(bool));
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[2747] | 186 |
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[2845] | 187 | str.read(reinterpret_cast<char *>(&mat->mCullFaceEnabled), sizeof(bool));
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[2844] | 188 |
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[3034] | 189 | // gl material
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| 190 | bool hasGlMaterial;
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| 191 | str.read(reinterpret_cast<char *>(&hasGlMaterial), sizeof(bool));
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[2747] | 192 |
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[3034] | 193 | if (hasGlMaterial)
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[2747] | 194 | {
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[2769] | 195 | // only write rgb part of the material
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| 196 | str.read(reinterpret_cast<char *>(&mat->mAmbientColor), sizeof(Vector3));
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| 197 | str.read(reinterpret_cast<char *>(&mat->mDiffuseColor), sizeof(Vector3));
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[2795] | 198 | str.read(reinterpret_cast<char *>(&mat->mEmmisiveColor), sizeof(Vector3));
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[2769] | 199 | str.read(reinterpret_cast<char *>(&mat->mSpecularColor), sizeof(Vector3));
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[2747] | 200 | }
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| 201 |
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[3034] | 202 | mat->mVertexProgram = RenderState::sCgMrtVertexProgram;
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| 203 |
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| 204 | if (mat->GetTexture())
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| 205 | {
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| 206 | mat->mFragmentProgram = RenderState::sCgMrtFragmentTexProgram;
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| 207 |
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| 208 | mat->mGPUFragmentParameters = new GPUProgramParameters(mat->mFragmentProgram);
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| 209 | mat->mGPUFragmentParameters->SetTexture(0, mat->GetTexture()->GetId());
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| 210 | }
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| 211 | else
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| 212 | {
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| 213 | mat->mFragmentProgram = RenderState::sCgMrtFragmentProgram;
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| 214 | mat->mGPUFragmentParameters = new GPUProgramParameters(mat->mFragmentProgram);
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| 215 | }
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| 216 |
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| 217 | mat->mGPUVertexParameters = new GPUProgramParameters(RenderState::sCgMrtVertexProgram);
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| 218 |
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[2755] | 219 | return mat;
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[2747] | 220 | }
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| 221 |
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| 222 |
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[2795] | 223 | Geometry *ResourceManager::LoadGeometry(igzstream &str)
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[2747] | 224 | {
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[2756] | 225 | Vector3 *vertices;
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| 226 | Vector3 *normals;
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[2980] | 227 | Texcoord2 *texcoords;
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[2747] | 228 |
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| 229 |
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[2756] | 230 | //////////////
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| 231 | //-- read in vertices
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[2747] | 232 |
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[2756] | 233 | int vertexCount;
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| 234 | str.read(reinterpret_cast<char *>(&vertexCount), sizeof(int));
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[2747] | 235 |
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| 236 | // end of file reached
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[2961] | 237 | if (str.eof()) return NULL;
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[2747] | 238 |
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[2757] | 239 | //cout << "vertexcount: " << vertexCount << endl;
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[2747] | 240 |
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[2756] | 241 | vertices = new Vector3[vertexCount];
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| 242 | str.read(reinterpret_cast<char *>(vertices), sizeof(Vector3) * vertexCount);
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[2747] | 243 |
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[2756] | 244 | normals = new Vector3[vertexCount];
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| 245 | str.read(reinterpret_cast<char *>(normals), sizeof(Vector3) * vertexCount);
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[2747] | 246 |
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[2756] | 247 | int texCoordCount;
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| 248 | str.read(reinterpret_cast<char *>(&texCoordCount), sizeof(int));
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[2747] | 249 |
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[2756] | 250 | if (texCoordCount)
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[2747] | 251 | {
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[2980] | 252 | texcoords = new Texcoord2[texCoordCount];
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| 253 | str.read(reinterpret_cast<char *>(texcoords), sizeof(Texcoord2) * texCoordCount);
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[2747] | 254 | }
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[2756] | 255 | else
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[2811] | 256 | {
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[2756] | 257 | texcoords = NULL;
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[2811] | 258 | }
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[2747] | 259 |
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[2982] | 260 | return new Geometry(vertices, normals, texcoords, vertexCount, true);
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| 261 | //return new Geometry(vertices, normals, texcoords, vertexCount, false);
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[2747] | 262 | }
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| 263 |
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| 264 |
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[2795] | 265 | void ResourceManager::LoadSceneEntities(igzstream &str, SceneEntityContainer &entities)
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[2747] | 266 | {
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[2764] | 267 | int entityCount;
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| 268 | str.read(reinterpret_cast<char *>(&entityCount), sizeof(int));
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| 269 |
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[2963] | 270 | entities.reserve(entityCount);
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[2764] | 271 |
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| 272 | for (int i = 0; i < entityCount; ++ i)
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| 273 | {
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| 274 | SceneEntity *ent = LoadSceneEntity(str);
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[2842] | 275 |
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[2963] | 276 | // return loaded entities
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| 277 | entities.push_back(ent);
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| 278 | // also store internally
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[2795] | 279 | mSceneEntities.push_back(ent);
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[2764] | 280 | }
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| 281 |
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| 282 | cout << "loaded " << entityCount << " scene entities" << endl;
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| 283 | }
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| 284 |
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| 285 |
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[2795] | 286 | bool ResourceManager::Load(const std::string &filename, SceneEntityContainer &entities)
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[2764] | 287 | {
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[2795] | 288 | igzstream istr(filename.c_str());
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[2747] | 289 |
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[2756] | 290 | if (!istr.is_open())
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[2747] | 291 | return false;
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| 292 |
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[2764] | 293 | cout << "loading textures" << endl;
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| 294 |
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[2757] | 295 | // load the texture table
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| 296 | LoadTextures(istr);
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| 297 |
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[2764] | 298 | cout << "loading shapes (geometry + materials)" << endl;
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[2747] | 299 |
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[2764] | 300 | // load the shapees
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| 301 | LoadShapes(istr);
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[2762] | 302 |
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[2764] | 303 | cout << "loading scene entites" << endl;
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| 304 | LoadSceneEntities(istr, entities);
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[2763] | 305 |
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[2756] | 306 | cout << "bin loading finished" << endl;
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[2747] | 307 |
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[2795] | 308 | // clean up
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| 309 | mTextureTable.clear();
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| 310 | mGeometryTable.clear();
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| 311 | mMaterialTable.clear();
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| 312 |
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[2756] | 313 | return true;
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[2747] | 314 | }
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| 315 |
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| 316 | }
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