[3235] | 1 | #ifndef _VISIBILITYSOLUTIONCONVERTER_H
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| 2 | #define _VISIBILITYSOLUTIONCONVERTER_H
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[3234] | 3 |
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[3235] | 4 |
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[3241] | 5 | #include "Vector3.h"
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| 6 | #include "Triangle3.h"
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[3234] | 7 | #include <string>
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| 8 | #include <vector>
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[3240] | 9 | #include "AxisAlignedBox3.h"
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[3234] | 10 |
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[3241] | 11 |
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[3234] | 12 |
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[3241] | 13 | typedef std::vector<CHCDemoEngine::Vector3> VertexArray;
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[3235] | 14 | typedef std::pair<float, float> TexCoord;
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[3234] | 15 |
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| 16 | class ogzstream;
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[3239] | 17 | struct BvhInterior;
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[3235] | 18 |
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[3241] | 19 |
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| 20 |
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| 21 | struct Geometry
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| 22 | {
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| 23 | CHCDemoEngine::Vector3 *mVertices;
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| 24 | CHCDemoEngine::Vector3 *mNormals;
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| 25 | TexCoord *mTexCoords;
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| 26 |
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| 27 | int mVertexCount;
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| 28 | int mTexcoordCount;
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| 29 | };
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| 30 |
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| 31 |
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[3235] | 32 | struct BvhNode
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| 33 | {
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| 34 | int id;
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| 35 | char axis;
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| 36 | unsigned char depth;
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| 37 | short flags;
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| 38 |
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| 39 | // indices to first and last triangle in the triangle array
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| 40 | // assumes the traingle are placed in continuous chunk of memory
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| 41 | // however this need not be a global array!
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| 42 | int first;
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| 43 | // one after the last triangle!
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| 44 | int last;
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| 45 |
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| 46 | BvhNode(): axis(-1), first(-1), flags(0) {}
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| 47 |
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| 48 | bool IsLeaf() { return axis == -1; }
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| 49 | bool Empty() const { return first == -1; }
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| 50 | int Count() const { return last - first + 1; }
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| 51 |
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[3241] | 52 | CHCDemoEngine::AxisAlignedBox3 box;
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[3239] | 53 |
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| 54 | BvhInterior *parent;
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[3235] | 55 | std::vector<int> mTriangleIds;
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| 56 | };
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| 57 |
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| 58 |
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| 59 | struct BvhInterior: public BvhNode
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| 60 | {
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| 61 | BvhInterior():back(NULL), front(NULL) { }
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| 62 | BvhNode *back;
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| 63 | BvhNode *front;
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| 64 | };
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| 65 |
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| 66 |
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| 67 | struct BvhLeaf: public BvhNode
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| 68 | {
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[3242] | 69 | BvhLeaf(): BvhNode() {}
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[3235] | 70 | };
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| 71 |
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| 72 |
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[3234] | 73 | /** Converts obj format into objects readable by our format
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| 74 | */
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[3235] | 75 | class VisibilitySolutionConverter
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[3234] | 76 | {
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| 77 | public:
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| 78 |
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[3235] | 79 | VisibilitySolutionConverter();
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[3234] | 80 |
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[3235] | 81 | ~VisibilitySolutionConverter();
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[3234] | 82 |
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[3235] | 83 | bool Convert(const std::string &sceneInputFilename,
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| 84 | const std::string &sceneOutputFilename,
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| 85 | const std::string &bvhInputFilename,
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| 86 | const std::string &bvhOutputFilename);
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| 87 |
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[3234] | 88 |
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| 89 | protected:
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| 90 |
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| 91 |
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[3235] | 92 | void LoadShape(const VertexArray &vertices,
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| 93 | const VertexArray &normals,
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| 94 | const std::vector<TexCoord> &texCoords);
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[3234] | 95 |
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| 96 | void WriteGeometry(ogzstream &str, Geometry *geom);
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| 97 |
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[3235] | 98 | bool ReadScene(const std::string &iFilename);
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[3234] | 99 |
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[3235] | 100 | bool WriteScene(const std::string &oFilename);
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[3234] | 101 |
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[3235] | 102 | bool ReadBvh(FILE *fr);
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| 103 |
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| 104 | bool WriteBvh(const std::string &oFilename);
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| 105 |
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| 106 | void ConstructBvhObjects(const VertexArray &vertices,
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| 107 | const VertexArray &normals,
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| 108 | const std::vector<TexCoord> &texCoords);
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| 109 |
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| 110 | bool LoadSolution(const std::string &filename);
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| 111 |
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| 112 | BvhNode *LoadNode(FILE *fr, int depth);
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| 113 |
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| 114 | bool ReadDummyTree(FILE *fr);
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| 115 |
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[3238] | 116 | bool ReadObj(const std::string &filename,
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| 117 | VertexArray &vertices,
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| 118 | VertexArray &normals,
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| 119 | std::vector<TexCoord> &texcoords);
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[3235] | 120 |
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[3238] | 121 | bool ReadBinObj(const std::string &filename,
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[3246] | 122 | VertexArray &vertices);
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[3235] | 123 |
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[3239] | 124 | bool WriteBinObj(const std::string &filename,
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| 125 | const VertexArray &vertices);
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| 126 |
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[3238] | 127 | bool ExportBinObj(const std::string &filename,
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[3239] | 128 | const VertexArray &vertices);
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[3238] | 129 |
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[3240] | 130 | void WriteNextNode(ogzstream &stream, BvhNode *parent);
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[3239] | 131 |
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[3241] | 132 | void UpdateLeafBox(BvhLeaf *leaf);
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[3242] | 133 | /** Prepare bvh for exporting.
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| 134 | */
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| 135 | void UpdateBvh(BvhNode *node);
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[3239] | 136 |
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[3272] | 137 | bool LoadSolutionTest(const std::string &filename);
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[3239] | 138 |
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[3243] | 139 |
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[3277] | 140 | bool ReadObjSimple(const std::string &filename,
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| 141 | std::vector<CHCDemoEngine::Triangle3 *> &triangles);
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| 142 |
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| 143 | void ConstructBvhObjects2(const std::vector<CHCDemoEngine::Triangle3 *> &triangles);
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| 144 |
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| 145 |
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| 146 |
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[3235] | 147 | //////////////////////////////////
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| 148 |
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[3234] | 149 | std::vector<Geometry *> mGeometry;
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| 150 |
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| 151 | int mNumShapes;
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[3235] | 152 |
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| 153 | std::vector<int> mGlobalTriangleIds;
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| 154 |
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[3241] | 155 | std::vector<BvhLeaf *> mBvhLeaves;
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[3235] | 156 |
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| 157 | BvhNode *mRoot;
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| 158 |
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| 159 | int mNumNodes;
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[3234] | 160 | };
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| 161 |
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| 162 |
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| 163 |
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| 164 | #endif
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