[1083] | 1 | /* ==========================================================================
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| 2 | * (C) 2005 Universitat Jaume I
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| 3 | * ==========================================================================
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| 4 | * PROYECT: GAME TOOLS
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| 5 | * ==========================================================================
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| 6 | * CONTENT:
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| 7 | *
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| 8 | *
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| 9 | * @file GeoMeshLoader.h
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| 10 | *===========================================================================*/
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| 11 | #ifndef __GEO_MESH_LOADER__
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| 12 | #define __GEO_MESH_LOADER__
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| 13 |
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| 14 | #include <stdio.h>
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| 15 | #include <stdlib.h>
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| 16 | #include <string>
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| 17 | #include <vector>
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| 18 | #include <memory.h>
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| 19 | #include <time.h>
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| 20 | #include <iostream>
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| 21 | #include <iomanip>
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| 22 | #include "GeoBase.h"
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| 23 | #include "GeoMesh.h"
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| 24 | #include "GeoLodStripsLibrary.h"
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| 25 | #include "GeoLodTreeLibrary.h"
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| 26 |
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| 27 | namespace Geometry
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| 28 | {
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| 29 | const unsigned short CHUNK_OVERHEAD_SIZE = sizeof(unsigned short)
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| 30 | +
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| 31 | sizeof(unsigned long);
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| 32 |
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| 33 | const unsigned short M_HEADER = 0x1000;
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| 34 | const unsigned short M_MESH = 0x3000;
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| 35 | const unsigned short M_SUBMESH = 0x4000;
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| 36 | const unsigned short M_SUBMESH_OPERATION = 0x4010;
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| 37 | const unsigned short M_SUBMESH_BONE_ASSIGNMENT = 0x4100;
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| 38 | const unsigned short M_GEOMETRY = 0x5000;
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| 39 | const unsigned short M_GEOMETRY_VERTEX_DECLARATION = 0x5100;
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| 40 | const unsigned short M_GEOMETRY_VERTEX_ELEMENT = 0x5110;
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| 41 | const unsigned short M_GEOMETRY_VERTEX_BUFFER = 0x5200;
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| 42 | const unsigned short M_GEOMETRY_VERTEX_BUFFER_DATA = 0x5210;
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| 43 | const unsigned short M_MESH_SKELETON_LINK = 0x6000;
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| 44 | const unsigned short M_MESH_BONE_ASSIGNMENT = 0x7000;
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| 45 | const unsigned short M_MESH_LOD = 0x8000;
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| 46 | const unsigned short M_MESH_LOD_USAGE = 0x8100;
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| 47 | const unsigned short M_MESH_LOD_MANUAL = 0x8110;
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| 48 | const unsigned short M_MESH_LOD_GENERATED = 0x8120;
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| 49 | const unsigned short M_MESH_BOUNDS = 0x9000;
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| 50 | const unsigned short M_SUBMESH_NAME_TABLE = 0xA000;
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| 51 | const unsigned short M_SUBMESH_NAME_TABLE_ELEMENT = 0xA100;
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| 52 | const unsigned short M_EDGE_LISTS = 0xB000;
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| 53 | const unsigned short M_EDGE_LIST_LOD = 0xB100;
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| 54 | const unsigned short M_EDGE_GROUP = 0xB110;
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[2341] | 55 | const unsigned short M_POSES = 0xC000;
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| 56 | const unsigned short M_ANIMATIONS = 0xD000;
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| 57 | const unsigned short M_LODSTRIPS = 0xABCD;
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| 58 | const unsigned short M_LODTREES = 0xDCBA;
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[1083] | 59 | const unsigned short SUBMESH_COUNT = 0;
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| 60 | const unsigned short GEOMESH_BUILD = 1;
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| 61 |
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| 62 | enum VertexElementType
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| 63 | {
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| 64 | VET_FLOAT1,
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| 65 | VET_FLOAT2,
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| 66 | VET_FLOAT3,
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| 67 | VET_FLOAT4,
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| 68 | VET_COLOUR,
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| 69 | VET_SHORT1,
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| 70 | VET_SHORT2,
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| 71 | VET_SHORT3,
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| 72 | VET_SHORT4,
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| 73 | VET_UBYTE4
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| 74 | };
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| 75 |
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| 76 | enum VertexElementSemantic
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| 77 | {
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| 78 | /// Position, 3 reals per vertex
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| 79 | VES_POSITION = 1,
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| 80 | /// Blending weights
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| 81 | VES_BLEND_WEIGHTS = 2,
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| 82 | /// Blending indices
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| 83 | VES_BLEND_INDICES = 3,
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| 84 | /// Normal, 3 reals per vertex
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| 85 | VES_NORMAL = 4,
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| 86 | /// Diffuse colours
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| 87 | VES_DIFFUSE = 5,
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| 88 | /// Specular colours
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| 89 | VES_SPECULAR = 6,
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| 90 | /// Texture coordinates
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| 91 | VES_TEXTURE_COORDINATES = 7,
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| 92 | /// Binormal (Y axis if normal is Z)
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| 93 | VES_BINORMAL = 8,
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| 94 | /// Tangent (X axis if normal is Z)
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| 95 | VES_TANGENT = 9
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| 96 | };
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| 97 |
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| 98 | /*
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| 99 | // Bounding Box data.
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| 100 | struct GeometryBounds
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| 101 | {
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| 102 | float minx;
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| 103 | float miny;
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| 104 | float minz;
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| 105 | float maxx;
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| 106 | float maxy;
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| 107 | float maxz;
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| 108 | float radius;
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| 109 | };
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| 110 | */
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| 111 |
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| 112 | /// Mesh class interface
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[1788] | 113 | class GEOLODLIBRARYDLL_API GeoMeshLoader
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[1083] | 114 | {
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| 115 | private:
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| 116 |
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| 117 | Mesh *geoMesh;
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| 118 | size_t mFileSize;
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| 119 | unsigned int numVertices;
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| 120 | unsigned long long_actual;
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| 121 | size_t currentSubMesh;
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| 122 | bool mError;
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| 123 |
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| 124 | struct GeometryElement
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| 125 | {
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| 126 | unsigned short offset;
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| 127 | unsigned short semantic;
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| 128 | unsigned short type;
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| 129 | unsigned short index;
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| 130 | };
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| 131 |
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| 132 | struct GT
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| 133 | {
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| 134 | unsigned short source; //bindIndex
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| 135 | std::vector <GeometryElement> list;
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| 136 | };
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| 137 |
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| 138 | std::vector <GT> list;
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| 139 |
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| 140 | // Jump a chunk.
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| 141 | void jumpChunk(FILE *f);
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| 142 |
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| 143 | // Read a chunk.
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| 144 | unsigned short readChunk(FILE *f);
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| 145 |
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| 146 | // Read geometry vertex element.
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| 147 | void readGeometryVertexElement(FILE *f, Mesh *geoMesh);
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| 148 |
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| 149 | // Read geometry vertex declaration.
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| 150 | void readGeometryVertexDeclaration(FILE *f, Mesh *geoMesh);
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| 151 |
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| 152 | // Read geometry vertex buffer.
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| 153 | void readGeometryVertexBuffer(FILE *f,
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| 154 | Mesh *geoMesh,
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| 155 | int option);
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| 156 |
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| 157 | // Read geometry.
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| 158 | void readGeometry(FILE *f, Mesh *geoMesh, int option);
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| 159 |
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| 160 | // Read a submesh operation.
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| 161 | void readSubMeshOperation(FILE *f, Mesh *geoMesh, int option);
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| 162 |
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| 163 | // Read a submesh.
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| 164 | void readSubMesh(FILE *f, Mesh *geoMesh, int option);
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| 165 |
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| 166 | // Read skeleton name.
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| 167 | void readSkeletonLink(FILE *f, Mesh *geoMesh, int option);
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| 168 |
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| 169 | // Read bone assignment.
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| 170 | void readMeshBoneAssignment(FILE *f, Mesh *geoMesh, int option);
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| 171 |
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| 172 | // Read bone assignment.
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| 173 | void readSubMeshBoneAssignment(FILE *f, SubMesh *geoSubMesh, int option);
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| 174 |
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| 175 | // Read a mesh lod information.
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| 176 | void readMeshLodInfo(FILE *f, Mesh *geoMesh);
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| 177 |
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| 178 | // Read a submesh name table.
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| 179 | void readSubMeshNameTable(FILE *f, Mesh *geoMesh);
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| 180 |
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| 181 | // Read a mesh file.
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| 182 | void readMesh(FILE *f, Mesh *geoMesh, int option);
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| 183 |
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| 184 | // Read bounding box settings.
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| 185 | void readMeshBounds(FILE *f, Mesh *geoMesh, int option);
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| 186 |
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| 187 | // Writes the strips list.
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| 188 | SubMesh* GeoMeshLoader::BuildStripsGeoSubMesh(SubMesh *geoSubMesh);
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| 189 |
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| 190 | // Remove degenerate triangles of a submesh given.
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| 191 | SubMesh * removeDegenerateTriangles(SubMesh *geoSubMesh);
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| 192 |
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| 193 | // Sets coods between -1 and 1.
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| 194 | void normalizeModel(Mesh *geoMesh);
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| 195 |
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| 196 | // Imports an OBJ object
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| 197 | void importOBJ(FILE *f, Mesh *geoMesh);
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| 198 |
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| 199 | Geometry::LodStripsLibraryData *lodstripsdata;
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| 200 | Geometry::TreeSimplificationSequence *treesimpseq;
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| 201 |
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| 202 | public:
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| 203 |
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| 204 | // Constructor.
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| 205 | GeoMeshLoader();
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| 206 |
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| 207 | // Destroyer.
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| 208 | ~GeoMeshLoader();
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| 209 |
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| 210 | // Loads a Mesh file.
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| 211 | Mesh* load(char *fileNameMesh);
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| 212 |
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| 213 | // Get the size in bytes of the file.
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| 214 | size_t getFileSize();
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| 215 |
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| 216 | // if the loaded .mesh file doesn't contain LOD data this will return NULL
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| 217 | const Geometry::LodStripsLibraryData * GetLodStripsData(void) const { return lodstripsdata; }
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| 218 | const Geometry::TreeSimplificationSequence * GetTreeSimpSeq(void) const { return treesimpseq; }
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| 219 | };
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| 220 | }
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| 221 | #endif
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| 222 |
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