[2127] | 1 | /*========================================================================
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[1083] | 2 | * (C) 2005 Universitat Jaume I
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[2127] | 3 | *========================================================================
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[1083] | 4 | * PROYECT: GAME TOOLS
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[2127] | 5 | *========================================================================*/
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[1083] | 6 | /* CONTENT:
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| 7 | *
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| 8 | *
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| 9 | * @file GeoMeshLoader.cpp
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[2127] | 10 | *========================================================================*/
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[1083] | 11 |
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| 12 | #include "GeoMeshLoader.h"
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| 13 | #include <algorithm>
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| 14 | #include <cctype>
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| 15 | #include <map>
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| 16 |
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| 17 | using namespace Geometry;
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| 18 | using namespace std;
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| 19 |
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[2127] | 20 | //-------------------------------------------------------------------------
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[1083] | 21 | // Jump a chunk.
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[2127] | 22 | //-------------------------------------------------------------------------
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[1083] | 23 | void GeoMeshLoader::jumpChunk(FILE *f)
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| 24 | {
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| 25 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
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| 26 |
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| 27 | // Return to the begin of the chunk.
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| 28 | fseek(f,long_actual,SEEK_CUR);
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| 29 | }
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| 30 |
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[2127] | 31 | //-------------------------------------------------------------------------
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[1083] | 32 | // Read a chunk.
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[2127] | 33 | //-------------------------------------------------------------------------
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[1083] | 34 | unsigned short GeoMeshLoader::readChunk(FILE *f)
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| 35 | {
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| 36 | unsigned short id;
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| 37 |
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| 38 | fread(&id,sizeof(unsigned short),1,f);
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| 39 | fread(&long_actual,sizeof(unsigned long),1,f);
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| 40 |
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| 41 | return id;
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| 42 | }
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| 43 |
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[2127] | 44 | //-------------------------------------------------------------------------
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[1083] | 45 | // Read geometry vertex element.
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[2127] | 46 | //-------------------------------------------------------------------------
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[1083] | 47 | void GeoMeshLoader::readGeometryVertexElement(FILE *f, Mesh *geoMesh)
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| 48 | {
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| 49 | unsigned short source;
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| 50 | GeometryElement aux;
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[1136] | 51 | size_t i;
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[1083] | 52 | bool found;
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| 53 | VertexElementType vType;
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| 54 |
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[1136] | 55 | i = 0;
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[1083] | 56 | found = false;
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| 57 |
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| 58 | // VertexElementSemantic vSemantic;
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| 59 | // unsigned short source; // buffer bind source
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| 60 | fread(&source,sizeof(unsigned short),1,f);
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| 61 |
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| 62 | // unsigned short type; // VertexElementType
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| 63 | fread(&aux.type,sizeof(unsigned short),1,f);
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| 64 |
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| 65 | vType = static_cast<VertexElementType>(aux.type);
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| 66 |
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| 67 | // unsigned short semantic; // VertexElementSemantic
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| 68 | fread(&aux.semantic,sizeof(unsigned short),1,f);
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| 69 |
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| 70 | // vSemantic = static_cast<VertexElementSemantic>(tmp);
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| 71 | // unsigned short offset; // start offset in buffer in bytes
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| 72 | fread(&aux.offset,sizeof(unsigned short),1,f);
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| 73 |
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| 74 | // unsigned short index; // index of the semantic
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| 75 | /*
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| 76 | VES_POSITION Position, 3 reals per vertex.
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| 77 | VES_BLEND_WEIGHTS Blending weights.
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| 78 | VES_BLEND_INDICES Blending indices.
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| 79 | VES_NORMAL Normal, 3 reals per vertex.
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| 80 | VES_DIFFUSE Diffuse colours.
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| 81 | VES_SPECULAR Specular colours.
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| 82 | VES_TEXTURE_COORDINATES Texture coordinates.
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| 83 | VES_BINORMAL Binormal (Y axis if normal is Z).
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| 84 | VES_TANGENT Tangent (X axis if normal is Z).
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| 85 | */
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| 86 | fread(&aux.index,sizeof(unsigned short),1,f);
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| 87 |
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| 88 | while ((i < list.size()) && (!found))
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| 89 | {
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| 90 | if (list[i].source==source)
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| 91 | {
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| 92 | found = true;
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| 93 | }
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| 94 | else
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| 95 | {
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| 96 | i++;
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| 97 | }
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| 98 | }
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| 99 |
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| 100 | if (found)
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| 101 | {
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| 102 | list[i].list.push_back(aux);
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| 103 | }
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| 104 | else
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| 105 | {
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| 106 | GT aux2;
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| 107 |
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| 108 | aux2.source = source;
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| 109 | aux2.list.push_back(aux);
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| 110 | list.push_back(aux2);
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| 111 | }
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| 112 | }
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| 113 |
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[2127] | 114 | //-------------------------------------------------------------------------
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[1083] | 115 | // Read geometry vertex declaration.
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[2127] | 116 | //-------------------------------------------------------------------------
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[1083] | 117 | void GeoMeshLoader::readGeometryVertexDeclaration(FILE *f, Mesh *geoMesh)
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| 118 | {
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| 119 | unsigned short chunkID;
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| 120 | // Find optional geometry chunks
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| 121 | if (!feof(f))
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| 122 | {
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| 123 | chunkID = readChunk(f);
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| 124 |
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| 125 | while(!feof(f) && (chunkID == M_GEOMETRY_VERTEX_ELEMENT ))
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| 126 | {
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| 127 | switch (chunkID)
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| 128 | {
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| 129 | case M_GEOMETRY_VERTEX_ELEMENT:
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| 130 |
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| 131 | // Debug.
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| 132 | cout << " M_GEOMETRY_VERTEX_ELEMENT"
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| 133 | << endl;
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| 134 |
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| 135 | readGeometryVertexElement(f, geoMesh);
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| 136 |
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| 137 | break;
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| 138 | }
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| 139 |
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| 140 | // Get next chunk
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| 141 | if (!feof(f))
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| 142 | {
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| 143 | chunkID = readChunk(f);
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| 144 | }
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| 145 | }// End while.
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| 146 |
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| 147 | if (!feof(f))
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| 148 | {
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| 149 | // Backpedal back to start of non-submesh chunk
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| 150 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
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| 151 | }
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| 152 |
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| 153 | }// End if (!feof(f))
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| 154 | }// End readGeometryVertexDeclaration.
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| 155 |
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[2127] | 156 | //-------------------------------------------------------------------------
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[1083] | 157 | // Read geometry vertex buffer.
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[2127] | 158 | //-------------------------------------------------------------------------
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| 159 | void GeoMeshLoader::readGeometryVertexBuffer( FILE *f,
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| 160 | Mesh *geoMesh,
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| 161 | int option)
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[1083] | 162 | {
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| 163 | unsigned short bindIndex;
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| 164 | unsigned short vertexSize;
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| 165 | unsigned short headerID;
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[1136] | 166 | size_t i;
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| 167 | //float aux;
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| 168 | size_t k;
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[1083] | 169 | bool found;
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| 170 | float x,y,z;
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| 171 | SubMesh *geoSubMesh;
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| 172 | VertexBuffer *vertex_buffer;
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| 173 |
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[1136] | 174 | i = 0;
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| 175 | k = 0;
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[1083] | 176 | found = false;
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| 177 |
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| 178 | if (option == GEOMESH_BUILD)
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| 179 | {
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| 180 | // If is the main mesh.
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| 181 | if (currentSubMesh == -1)
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| 182 | {
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| 183 | vertex_buffer = geoMesh->mVertexBuffer;
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| 184 | }
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| 185 | // If is a submesh.
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| 186 | else
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| 187 | {
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| 188 | // Gets the current submesh
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| 189 | geoSubMesh = &geoMesh->mSubMesh[currentSubMesh];
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| 190 | vertex_buffer = geoSubMesh->mVertexBuffer;
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| 191 | }
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| 192 | }
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| 193 |
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| 194 | // Index to bind this buffer to
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| 195 | fread(&bindIndex,sizeof(unsigned short),1,f);
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| 196 |
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| 197 | // Per-vertex size, must agree with declaration at this index
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| 198 | fread(&vertexSize,sizeof(unsigned short),1,f);
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| 199 |
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| 200 | // Check for vertex data header
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| 201 | headerID = readChunk(f);
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| 202 |
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| 203 | if (headerID != M_GEOMETRY_VERTEX_BUFFER_DATA)
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| 204 | {
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| 205 | cout << "Can't find vertex buffer data area"
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| 206 | << endl;
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| 207 | }
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| 208 | else
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| 209 | {
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| 210 | // Debug.
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| 211 | cout << " M_GEOMETRY_VERTEX_BUFFER_DATA"
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| 212 | << endl;
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| 213 | }
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| 214 |
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| 215 | while ((i<list.size())&&(!found))
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| 216 | {
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| 217 | if (list[i].source == bindIndex)
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| 218 | {
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| 219 | found = true;
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| 220 | }
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| 221 | else
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| 222 | {
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| 223 | i++;
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| 224 | }
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| 225 | }
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| 226 |
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| 227 | if (found)
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| 228 | {
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| 229 | for (k = 0; k < numVertices; k++)
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| 230 | {
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| 231 | // For each element in this source.
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[1136] | 232 | for(size_t j = 0; j < list[i].list.size(); j++)
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[1083] | 233 | {
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| 234 | // Positions.
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| 235 | if (list[i].list[j].semantic == 1)
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| 236 | {
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| 237 | fread(&x,sizeof(float),1,f);
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| 238 | fread(&y,sizeof(float),1,f);
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| 239 | fread(&z,sizeof(float),1,f);
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| 240 |
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| 241 | if (option == GEOMESH_BUILD)
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| 242 | {
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| 243 | vertex_buffer->mVertexInfo |= VERTEX_POSITION;
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| 244 | vertex_buffer->mPosition[k].x = x;
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| 245 | vertex_buffer->mPosition[k].y = y;
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| 246 | vertex_buffer->mPosition[k].z = z;
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| 247 | }
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| 248 | }
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| 249 | // If are not vertices.
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| 250 | else
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| 251 | {
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| 252 | if (list[i].list[j].type == 2)
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| 253 | {
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| 254 | fread(&x,sizeof(float),1,f);
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| 255 | fread(&y,sizeof(float),1,f);
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| 256 | fread(&z,sizeof(float),1,f);
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| 257 |
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| 258 | if (option == GEOMESH_BUILD)
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| 259 | {
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| 260 | vertex_buffer->mVertexInfo |= VERTEX_NORMAL;
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| 261 | vertex_buffer->mNormal[k].x = x;
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| 262 | vertex_buffer->mNormal[k].y = y;
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| 263 | vertex_buffer->mNormal[k].z = z;
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| 264 | }
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| 265 | }
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| 266 | if (list[i].list[j].type == 1)
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| 267 | {
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| 268 | fread(&x,sizeof(float),1,f);
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| 269 | fread(&y,sizeof(float),1,f);
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| 270 |
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| 271 | if (option == GEOMESH_BUILD)
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| 272 | {
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| 273 | vertex_buffer->mVertexInfo |= VERTEX_TEXCOORDS;
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| 274 | vertex_buffer->mTexCoords[k].x = x;
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| 275 | vertex_buffer->mTexCoords[k].y = y;
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| 276 | }
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| 277 | }
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| 278 | }
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| 279 | }
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| 280 | }
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| 281 | }
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| 282 | else
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| 283 | {
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| 284 | // Debug.
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| 285 | cout << "Error: Source not found."
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| 286 | << endl;
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| 287 |
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| 288 | // Error.
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| 289 | mError = true;
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| 290 | }
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| 291 | }
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| 292 |
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[2127] | 293 | //-------------------------------------------------------------------------
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[1083] | 294 | // Read Geometry.
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[2127] | 295 | //-------------------------------------------------------------------------
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[1083] | 296 | void GeoMeshLoader::readGeometry(FILE *f, Mesh *geoMesh, int option)
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| 297 | {
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| 298 | SubMesh *geoSubMesh;
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| 299 | VertexBuffer *vertex_buffer;
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| 300 |
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| 301 | fread(&numVertices,sizeof(unsigned int),1,f);
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| 302 |
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| 303 | if (option == GEOMESH_BUILD)
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| 304 | {
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| 305 | if (currentSubMesh == -1)
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| 306 | {
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| 307 | // Get the current vertex buffer.
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| 308 | vertex_buffer = geoMesh->mVertexBuffer;
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| 309 | }
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| 310 | else
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| 311 | {
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| 312 | // Get the current submesh.
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| 313 | geoSubMesh = &geoMesh->mSubMesh[currentSubMesh];
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| 314 |
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| 315 | // Create the VertexBuffer of the submesh.
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| 316 | geoSubMesh->mVertexBuffer = new VertexBuffer();
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| 317 |
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| 318 | // Get the current vertex buffer.
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| 319 | vertex_buffer = geoSubMesh->mVertexBuffer;
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| 320 | }
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| 321 |
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| 322 | // Initialize the VertexBuffer of the current submesh.
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| 323 | vertex_buffer->mVertexCount = numVertices;
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| 324 |
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| 325 | // Initialize the position array.
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| 326 | vertex_buffer->mPosition = new Vector3[numVertices];
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| 327 |
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| 328 | // Initialize the normal array.
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| 329 | vertex_buffer->mNormal = new Vector3[numVertices];
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| 330 |
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| 331 | // Initialize the texture coords array.
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| 332 | vertex_buffer->mTexCoords = new Vector2[numVertices];
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| 333 | }
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| 334 |
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| 335 | // Find optional geometry chunks
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| 336 | if (!feof(f))
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| 337 | {
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| 338 | unsigned short chunkID = readChunk(f);
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| 339 |
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| 340 | while(!feof(f) &&
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| 341 | (chunkID == M_GEOMETRY_VERTEX_DECLARATION ||
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| 342 | chunkID == M_GEOMETRY_VERTEX_BUFFER ))
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| 343 | {
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| 344 | switch (chunkID)
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| 345 | {
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| 346 | case M_GEOMETRY_VERTEX_DECLARATION:
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| 347 |
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| 348 | // Debug.
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| 349 | cout << " M_GEOMETRY_VERTEX_DECLARATION"
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| 350 | << endl;
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| 351 |
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| 352 | readGeometryVertexDeclaration(f, geoMesh);
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| 353 |
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| 354 | break;
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| 355 |
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| 356 | case M_GEOMETRY_VERTEX_BUFFER:
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| 357 |
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| 358 | // Debug.
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| 359 | cout << " M_GEOMETRY_VERTEX_BUFFER"
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| 360 | << endl;
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| 361 |
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| 362 | readGeometryVertexBuffer(f, geoMesh,option);
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| 363 |
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| 364 | break;
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| 365 | }
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| 366 |
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| 367 | // Get next chunk.
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| 368 | if (!feof(f))
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| 369 | {
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| 370 | chunkID = readChunk(f);
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| 371 | }
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| 372 | }
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| 373 |
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| 374 | if (!feof(f))
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| 375 | {
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| 376 | // Backpedal back to start of non-submesh chunk.
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| 377 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
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| 378 | }
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| 379 | }
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| 380 | }
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| 381 |
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[2127] | 382 | //-------------------------------------------------------------------------
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[1083] | 383 | // Read a submesh operation.
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[2127] | 384 | //-------------------------------------------------------------------------
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[1083] | 385 | void GeoMeshLoader::readSubMeshOperation( FILE *f,
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| 386 | Mesh *geoMesh,
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| 387 | int option)
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| 388 | {
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| 389 | unsigned short opType;
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| 390 |
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| 391 | fread(&opType,sizeof(unsigned short),1,f);
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| 392 |
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| 393 | if (option == GEOMESH_BUILD)
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| 394 | {
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| 395 | if (opType == 5)
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| 396 | {
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| 397 | geoMesh->mSubMesh[currentSubMesh].mType = GEO_TRIANGLE_STRIPS;
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| 398 | }
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| 399 | else
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| 400 | {
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| 401 | geoMesh->mSubMesh[currentSubMesh].mType = GEO_TRIANGLE_LIST;
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| 402 | }
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| 403 | }
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| 404 | }
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| 405 |
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[2127] | 406 | //-------------------------------------------------------------------------
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[1083] | 407 | // Read a submesh.
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[2127] | 408 | //-------------------------------------------------------------------------
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[1083] | 409 | void GeoMeshLoader::readSubMesh(FILE *f, Mesh *geoMesh, int option)
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| 410 | {
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| 411 | SubMesh *geoSubMesh;
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| 412 | unsigned short chunkID;
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| 413 | char materialName[255];
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| 414 | bool useSharedVertices;
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| 415 | unsigned int numIndices;
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| 416 | bool idx32bit;
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| 417 |
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| 418 | switch (option)
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| 419 | {
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| 420 | case SUBMESH_COUNT:
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| 421 | geoMesh->mSubMeshCount++;
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| 422 | break;
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| 423 | case GEOMESH_BUILD:
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| 424 |
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| 425 | // Initialize the new subMesh.
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| 426 | geoSubMesh = &geoMesh->mSubMesh[currentSubMesh];
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| 427 | }
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| 428 |
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| 429 | list.clear();
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| 430 |
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| 431 | // Gets material name.
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| 432 | fgets(materialName,255,f);
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| 433 | materialName[strlen(materialName) - 1] = '\0';
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| 434 |
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| 435 | fread(&useSharedVertices,sizeof(bool),1,f);
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| 436 |
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| 437 | if (option == GEOMESH_BUILD)
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| 438 | {
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| 439 | // Obtain the material name.
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| 440 | strcpy(geoSubMesh->mMaterialName,materialName);
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| 441 |
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| 442 | // Obtain the flag of vertex shared.
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| 443 | geoSubMesh->mSharedVertexBuffer = useSharedVertices;
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| 444 |
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| 445 | if (useSharedVertices)
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| 446 | {
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| 447 | // The VB of the submesh points to the VB of the mesh.
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| 448 | geoSubMesh->mVertexBuffer = geoMesh->mVertexBuffer;
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| 449 | }
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| 450 | }
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| 451 |
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| 452 | fread(&numIndices,sizeof(unsigned int),1,f);
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| 453 | fread(&idx32bit,sizeof(bool),1,f);
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| 454 |
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| 455 | if (option == GEOMESH_BUILD)
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| 456 | {
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| 457 | // Sets the index count of the submesh.
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| 458 | geoSubMesh->mIndexCount = numIndices;
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| 459 |
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| 460 | // Create the index arrar for this submesh.
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| 461 | geoSubMesh->mIndex = new Index[numIndices];
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| 462 | }
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| 463 |
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| 464 |
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| 465 | if (idx32bit)
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| 466 | {
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| 467 | unsigned int aux;
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| 468 |
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[1136] | 469 | for (size_t i = 0; i < numIndices; i++)
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[1083] | 470 | {
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| 471 | fread(&aux,sizeof(unsigned int),1,f);
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| 472 |
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| 473 | if (option == GEOMESH_BUILD)
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| 474 | {
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[1136] | 475 | geoSubMesh->mIndex[i] = aux;
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[1083] | 476 | }
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| 477 | }
|
---|
| 478 | }
|
---|
| 479 | else
|
---|
| 480 | {
|
---|
| 481 | unsigned short aux;
|
---|
| 482 |
|
---|
[1136] | 483 | for (size_t i = 0; i < numIndices; i++)
|
---|
[1083] | 484 | {
|
---|
| 485 | fread(&aux,sizeof(unsigned short),1,f);
|
---|
| 486 |
|
---|
| 487 | if (option == GEOMESH_BUILD)
|
---|
| 488 | {
|
---|
| 489 | geoSubMesh->mIndex[i] = aux;
|
---|
| 490 | }
|
---|
| 491 | }
|
---|
| 492 | }
|
---|
| 493 |
|
---|
| 494 | // M_GEOMETRY chunk
|
---|
| 495 | // (Optional: present only if useSharedVertices = false)
|
---|
| 496 | if (!useSharedVertices)
|
---|
| 497 | {
|
---|
| 498 | chunkID = readChunk(f);
|
---|
| 499 |
|
---|
| 500 | if (chunkID != M_GEOMETRY)
|
---|
| 501 | {
|
---|
| 502 | // Debug.
|
---|
| 503 | cout << "Error: Missing mesh geometry."
|
---|
| 504 | << endl;
|
---|
| 505 |
|
---|
| 506 | // Error.
|
---|
| 507 | mError = true;
|
---|
| 508 | }
|
---|
| 509 |
|
---|
| 510 | readGeometry(f, geoMesh, option);
|
---|
| 511 | }
|
---|
| 512 |
|
---|
| 513 | // Find all bone assignments (if present)
|
---|
| 514 | if (!feof(f))
|
---|
| 515 | {
|
---|
| 516 | chunkID = readChunk(f);
|
---|
| 517 | while(!feof(f) &&
|
---|
| 518 | (chunkID == M_SUBMESH_BONE_ASSIGNMENT ||
|
---|
| 519 | chunkID == M_SUBMESH_OPERATION))
|
---|
| 520 | {
|
---|
| 521 | switch(chunkID)
|
---|
| 522 | {
|
---|
| 523 | case M_SUBMESH_OPERATION:
|
---|
| 524 |
|
---|
| 525 | // Debug.
|
---|
| 526 | cout << " M_SUBMESH_OPERATION"
|
---|
| 527 | << endl;
|
---|
| 528 |
|
---|
| 529 | readSubMeshOperation(f, geoMesh, option);
|
---|
| 530 |
|
---|
| 531 | break;
|
---|
| 532 |
|
---|
| 533 | case M_SUBMESH_BONE_ASSIGNMENT:
|
---|
| 534 |
|
---|
| 535 | // Debug.
|
---|
| 536 | //cout << " M_SUBMESH_BONE_ASSIGNMENT"
|
---|
| 537 | // << endl;
|
---|
| 538 |
|
---|
| 539 | if (option == GEOMESH_BUILD)
|
---|
| 540 | {
|
---|
| 541 | readSubMeshBoneAssignment(f, geoSubMesh, option);
|
---|
| 542 | }
|
---|
| 543 | else
|
---|
| 544 | {
|
---|
| 545 | jumpChunk(f);
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | break;
|
---|
| 549 | }
|
---|
| 550 |
|
---|
| 551 | if (!feof(f))
|
---|
| 552 | {
|
---|
| 553 | chunkID = readChunk(f);
|
---|
| 554 | }
|
---|
| 555 |
|
---|
| 556 | }
|
---|
| 557 | if (!feof(f))
|
---|
| 558 | {
|
---|
| 559 | // Backpedal back to start of chunk.
|
---|
| 560 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
|
---|
| 561 | }
|
---|
| 562 | }
|
---|
| 563 |
|
---|
| 564 | }
|
---|
| 565 |
|
---|
[2127] | 566 | //-------------------------------------------------------------------------
|
---|
[1083] | 567 | // Read a mesh lod information.
|
---|
[2127] | 568 | //-------------------------------------------------------------------------
|
---|
[1083] | 569 | void GeoMeshLoader::readMeshLodInfo(FILE *f, Mesh *geoMesh)
|
---|
| 570 | {
|
---|
| 571 | unsigned short chunkID;
|
---|
| 572 | unsigned short i;
|
---|
| 573 | unsigned short aux;
|
---|
| 574 | bool aux2;
|
---|
| 575 |
|
---|
| 576 | // unsigned short numLevels;
|
---|
| 577 | fread(&aux,sizeof(unsigned short),1,f);
|
---|
| 578 | // bool manual;
|
---|
| 579 | // (true for manual alternate meshes, false for generated)
|
---|
| 580 | fread(&aux2,sizeof(bool),1,f);
|
---|
| 581 |
|
---|
| 582 | // Loop from 1 rather than 0 (full detail index is not in file)
|
---|
| 583 | for (i = 1; i < aux; ++i)
|
---|
| 584 | {
|
---|
| 585 | chunkID = readChunk(f);
|
---|
| 586 | if (chunkID != M_MESH_LOD_USAGE)
|
---|
| 587 | {
|
---|
| 588 | // Debug.
|
---|
| 589 | cout << "Error: Missing M_MESH_LOD_USAGE chunk"
|
---|
| 590 | << endl;
|
---|
| 591 | }
|
---|
| 592 | else
|
---|
| 593 | {
|
---|
| 594 | cout << " M_MESH_LOD_USAGE"
|
---|
| 595 | << endl;
|
---|
| 596 | }
|
---|
| 597 |
|
---|
| 598 | jumpChunk(f);
|
---|
| 599 |
|
---|
| 600 | }
|
---|
| 601 | }
|
---|
| 602 |
|
---|
[2127] | 603 | //-------------------------------------------------------------------------
|
---|
[1083] | 604 | // Read a submesh name table.
|
---|
[2127] | 605 | //-------------------------------------------------------------------------
|
---|
[1083] | 606 | void GeoMeshLoader::readSubMeshNameTable(FILE *f, Mesh *geoMesh)
|
---|
| 607 | {
|
---|
| 608 | unsigned short chunkID;
|
---|
| 609 | unsigned short subMeshIndex;
|
---|
| 610 | char string[255];
|
---|
| 611 |
|
---|
| 612 | if (!feof(f))
|
---|
| 613 | {
|
---|
| 614 | chunkID = readChunk(f);
|
---|
| 615 |
|
---|
| 616 | while (!feof(f) && (chunkID == M_SUBMESH_NAME_TABLE_ELEMENT ))
|
---|
| 617 | {
|
---|
| 618 | // Debug.
|
---|
| 619 | cout << " M_SUBMESH_NAME_TABLE_ELEMENT"
|
---|
| 620 | << endl;
|
---|
| 621 |
|
---|
| 622 | // Read in the index of the submesh.
|
---|
| 623 | fread(&subMeshIndex,sizeof(unsigned short),1,f);
|
---|
| 624 |
|
---|
| 625 | // Read in the String and map it to its index.
|
---|
| 626 | fgets(string,255,f);
|
---|
| 627 |
|
---|
| 628 | // If we're not end of file get the next chunk ID.
|
---|
| 629 | if (!feof(f))
|
---|
| 630 | {
|
---|
| 631 | chunkID = readChunk(f);
|
---|
| 632 | }
|
---|
| 633 | }
|
---|
| 634 | if (!feof(f))
|
---|
| 635 | {
|
---|
| 636 | // Backpedal back to start of chunk.
|
---|
| 637 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
|
---|
| 638 | }
|
---|
| 639 | }
|
---|
| 640 | }
|
---|
| 641 |
|
---|
[2127] | 642 | //-------------------------------------------------------------------------
|
---|
[1083] | 643 | // Read a mesh file.
|
---|
[2127] | 644 | //-------------------------------------------------------------------------
|
---|
[1083] | 645 |
|
---|
| 646 | #include "GeoLodStripsLibrary.h"
|
---|
| 647 | #include "GeoLodStripsConstructor.h"
|
---|
| 648 |
|
---|
| 649 | void GeoMeshLoader::readMesh(FILE *f, Mesh *geoMesh, int option)
|
---|
| 650 | {
|
---|
| 651 | unsigned short chunkID;
|
---|
| 652 | bool nada;
|
---|
| 653 |
|
---|
| 654 | // Create the VertexBuffer of the mesh.
|
---|
| 655 | geoMesh->mVertexBuffer = new VertexBuffer();
|
---|
| 656 | geoMesh->mVertexBuffer->mVertexCount = 0;
|
---|
| 657 |
|
---|
| 658 | //La vacio antes de leer el mesh
|
---|
| 659 | list.clear();
|
---|
| 660 |
|
---|
| 661 | // bool skeletallyAnimated
|
---|
| 662 | fread(&nada,sizeof(bool),1,f);
|
---|
| 663 |
|
---|
| 664 | // Find all subchunks
|
---|
| 665 | if (!feof(f))
|
---|
| 666 | {
|
---|
| 667 | chunkID = readChunk(f);
|
---|
| 668 |
|
---|
| 669 | while(!feof(f) &&
|
---|
| 670 | (chunkID == M_GEOMETRY ||
|
---|
| 671 | chunkID == M_SUBMESH ||
|
---|
| 672 | chunkID == M_MESH_SKELETON_LINK ||
|
---|
| 673 | chunkID == M_MESH_BONE_ASSIGNMENT ||
|
---|
| 674 | chunkID == M_MESH_LOD ||
|
---|
| 675 | chunkID == M_MESH_BOUNDS ||
|
---|
| 676 | chunkID == M_SUBMESH_NAME_TABLE ||
|
---|
| 677 | chunkID == M_EDGE_LISTS ||
|
---|
| 678 | chunkID == 0xabcd ||
|
---|
| 679 | chunkID == 0xdcba))
|
---|
| 680 | {
|
---|
| 681 | switch(chunkID)
|
---|
| 682 | {
|
---|
| 683 | case 0xabcd:
|
---|
[1526] | 684 |
|
---|
| 685 | // Debug.
|
---|
[1083] | 686 | cout << "LODSTRIPS_Chunk" << endl;
|
---|
[1526] | 687 |
|
---|
[1083] | 688 | lodstripsdata = new Geometry::LodStripsLibraryData;
|
---|
| 689 |
|
---|
[1526] | 690 | int aux,v,c;
|
---|
[1083] | 691 | LODRegisterType lod_register;
|
---|
[1526] | 692 | LODData dataaux;
|
---|
| 693 | int tam;
|
---|
[1083] | 694 |
|
---|
| 695 | fread(&tam, sizeof(int), 1, f);
|
---|
[1526] | 696 |
|
---|
[1083] | 697 | lodstripsdata->mFileVertices.clear();
|
---|
[1526] | 698 |
|
---|
| 699 | for (v = 0; v < tam; v++)
|
---|
[1083] | 700 | {
|
---|
| 701 | fread(&aux, sizeof(int), 1, f);
|
---|
| 702 | lodstripsdata->mFileVertices.push_back(aux);
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 | lodstripsdata->mFileChangesLOD.clear();
|
---|
[1526] | 706 |
|
---|
[1083] | 707 | fread(&tam, sizeof(int), 1, f);
|
---|
[1526] | 708 |
|
---|
| 709 | for (c = 0; c < tam; c++)
|
---|
[1083] | 710 | {
|
---|
| 711 | fread(&dataaux, sizeof(LODData), 1, f);
|
---|
| 712 | lod_register.strip= dataaux.strip;
|
---|
| 713 | lod_register.position= dataaux.nP;
|
---|
| 714 | lod_register.vertexRepetition= dataaux.nL1;
|
---|
| 715 | lod_register.edgeRepetition= dataaux.nL2;
|
---|
[1526] | 716 | lod_register.obligatory=dataaux.obligatory;
|
---|
[1083] | 717 |
|
---|
| 718 | lodstripsdata->mFileChangesLOD.push_back(lod_register);
|
---|
| 719 | }
|
---|
| 720 |
|
---|
| 721 | lodstripsdata->mData.clear();
|
---|
[1526] | 722 |
|
---|
[1083] | 723 | fread(&tam, sizeof(int), 1, f);
|
---|
[1526] | 724 |
|
---|
| 725 | for (int b = 0; b < tam; b++)
|
---|
[1083] | 726 | {
|
---|
| 727 | fread(&aux, sizeof(int), 1, f);
|
---|
| 728 | lodstripsdata->mData.push_back(aux);
|
---|
| 729 | }
|
---|
| 730 |
|
---|
| 731 | lodstripsdata->p_changes.clear();
|
---|
[1526] | 732 |
|
---|
[1083] | 733 | fread(&tam, sizeof(int), 1, f);
|
---|
[1526] | 734 |
|
---|
| 735 | for (int p = 0; p < tam; p++)
|
---|
[1083] | 736 | {
|
---|
| 737 | fread(&aux, sizeof(int), 1, f);
|
---|
| 738 | lodstripsdata->p_changes.push_back(aux);
|
---|
[1526] | 739 | }
|
---|
[1083] | 740 |
|
---|
| 741 | break;
|
---|
| 742 |
|
---|
| 743 | case 0xdcba:
|
---|
| 744 | cout << "LODTREES_Chunk" << endl;
|
---|
| 745 | treesimpseq = new Geometry::TreeSimplificationSequence;
|
---|
| 746 |
|
---|
| 747 | int size;
|
---|
| 748 | fread(&size, sizeof(int), 1, f);
|
---|
| 749 | treesimpseq->mSteps.clear();
|
---|
| 750 | for (int i=0; i<size; i++)
|
---|
| 751 | {
|
---|
| 752 | Geometry::TreeSimplificationSequence::Step auxstep;
|
---|
| 753 | fread(&auxstep.mV0,sizeof(int),1,f);
|
---|
| 754 | fread(&auxstep.mV1,sizeof(int),1,f);
|
---|
| 755 | fread(&auxstep.mT0,sizeof(int),1,f);
|
---|
| 756 | fread(&auxstep.mT1,sizeof(int),1,f);
|
---|
| 757 | fread(auxstep.mNewQuad,sizeof(int),4,f);
|
---|
| 758 | treesimpseq->mSteps.push_back(auxstep);
|
---|
| 759 | }
|
---|
| 760 |
|
---|
| 761 | break;
|
---|
| 762 |
|
---|
| 763 |
|
---|
| 764 | case M_GEOMETRY:
|
---|
| 765 |
|
---|
| 766 | // Debug.
|
---|
| 767 | cout << " M_GEOMETRY"
|
---|
| 768 | << endl;
|
---|
| 769 |
|
---|
| 770 | readGeometry(f, geoMesh, option);
|
---|
| 771 | break;
|
---|
| 772 |
|
---|
| 773 | case M_SUBMESH:
|
---|
| 774 |
|
---|
| 775 | // Debug.
|
---|
| 776 | cout << " M_SUBMESH"
|
---|
| 777 | << endl;
|
---|
| 778 |
|
---|
| 779 | if (option == GEOMESH_BUILD)
|
---|
| 780 | {
|
---|
| 781 | // Increments the current submesh.
|
---|
| 782 | currentSubMesh++;
|
---|
| 783 | }
|
---|
| 784 |
|
---|
| 785 | readSubMesh(f, geoMesh, option);
|
---|
| 786 |
|
---|
| 787 | break;
|
---|
| 788 |
|
---|
| 789 | case M_MESH_SKELETON_LINK:
|
---|
| 790 |
|
---|
| 791 | // Debug.
|
---|
| 792 | cout << " M_MESH_SKELETON_LINK "
|
---|
| 793 | << endl;
|
---|
| 794 |
|
---|
| 795 |
|
---|
| 796 | readSkeletonLink(f, geoMesh, option);
|
---|
| 797 |
|
---|
| 798 | break;
|
---|
| 799 |
|
---|
| 800 | case M_MESH_BONE_ASSIGNMENT:
|
---|
| 801 |
|
---|
| 802 | // Debug.
|
---|
| 803 | //cout << " M_MESH_BONE_ASSIGNMENT "
|
---|
| 804 | // << endl;
|
---|
| 805 |
|
---|
| 806 | readMeshBoneAssignment(f, geoMesh, option);
|
---|
| 807 |
|
---|
| 808 | break;
|
---|
| 809 |
|
---|
| 810 | case M_MESH_LOD:
|
---|
| 811 |
|
---|
| 812 | // Debug.
|
---|
| 813 | cout << " M_MESH_LOD"
|
---|
| 814 | << endl;
|
---|
| 815 |
|
---|
| 816 | readMeshLodInfo(f, geoMesh);
|
---|
| 817 | break;
|
---|
| 818 |
|
---|
| 819 | case M_MESH_BOUNDS:
|
---|
| 820 |
|
---|
| 821 | // Debug.
|
---|
| 822 | cout << " M_MESH_BOUNDS "
|
---|
| 823 | << endl;
|
---|
| 824 |
|
---|
| 825 | //jumpChunk(f);
|
---|
| 826 | readMeshBounds(f, geoMesh, option);
|
---|
| 827 | break;
|
---|
| 828 |
|
---|
| 829 | case M_SUBMESH_NAME_TABLE:
|
---|
| 830 |
|
---|
| 831 | // Debug.
|
---|
| 832 | cout << " M_SUBMESH_NAME_TABLE "
|
---|
| 833 | << endl;
|
---|
| 834 |
|
---|
| 835 | readSubMeshNameTable(f, geoMesh);
|
---|
| 836 | break;
|
---|
| 837 |
|
---|
| 838 | case M_EDGE_LISTS:
|
---|
| 839 |
|
---|
| 840 | // Debug.
|
---|
| 841 | cout << " M_EDGE_LISTS "
|
---|
| 842 | << endl;
|
---|
| 843 |
|
---|
| 844 | jumpChunk(f);
|
---|
| 845 | break;
|
---|
| 846 | }
|
---|
| 847 |
|
---|
| 848 | if (!feof(f))
|
---|
| 849 | {
|
---|
| 850 | chunkID = readChunk(f);
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | }
|
---|
| 854 |
|
---|
| 855 | if (!feof(f))
|
---|
| 856 | {
|
---|
| 857 | // Backpedal back to start of chunk
|
---|
| 858 | fseek(f,-(long)CHUNK_OVERHEAD_SIZE,1);
|
---|
| 859 |
|
---|
| 860 | // Debug.
|
---|
| 861 | cout << "Error: Reading failure."
|
---|
| 862 | << endl;
|
---|
| 863 |
|
---|
| 864 | // Error.
|
---|
| 865 | mError = true;
|
---|
| 866 | }
|
---|
| 867 | }
|
---|
| 868 |
|
---|
| 869 | }
|
---|
| 870 |
|
---|
| 871 |
|
---|
[2127] | 872 | //-------------------------------------------------------------------------
|
---|
[1083] | 873 | // Allocate memory to the array of strips
|
---|
[2127] | 874 | //-------------------------------------------------------------------------
|
---|
[1083] | 875 | SubMesh* GeoMeshLoader::BuildStripsGeoSubMesh(SubMesh* geoSubMesh)
|
---|
| 876 | {
|
---|
| 877 | bool head_found;
|
---|
| 878 | bool tail_found;
|
---|
[1136] | 879 | size_t strip_count;
|
---|
| 880 | size_t tailIndex;
|
---|
| 881 | //size_t tail;
|
---|
[1083] | 882 |
|
---|
| 883 | head_found = false;
|
---|
| 884 | tail_found = false;
|
---|
| 885 | geoSubMesh->mStripCount = 1;
|
---|
| 886 |
|
---|
| 887 | // Foreachone of the indices.
|
---|
| 888 | // Obtains the number of triangle strips.
|
---|
[1136] | 889 | for (size_t i = 0; i < (geoSubMesh->mIndexCount - 1); i++)
|
---|
[1083] | 890 | {
|
---|
| 891 | if (geoSubMesh->mIndex[i] == geoSubMesh->mIndex[i+1])
|
---|
| 892 | {
|
---|
| 893 | if (head_found)
|
---|
| 894 | {
|
---|
| 895 | tail_found = true;
|
---|
| 896 | }
|
---|
| 897 | else
|
---|
| 898 | {
|
---|
| 899 | head_found = true;
|
---|
| 900 | }
|
---|
| 901 |
|
---|
| 902 | // Jump one index.
|
---|
| 903 | i++;
|
---|
| 904 | }
|
---|
| 905 | else
|
---|
| 906 | {
|
---|
| 907 | // Increments the number of triangle strips.
|
---|
| 908 | if (tail_found)
|
---|
| 909 | {
|
---|
| 910 | geoSubMesh->mStripCount++;
|
---|
| 911 | }
|
---|
| 912 |
|
---|
| 913 | head_found = false;
|
---|
| 914 | tail_found = false;
|
---|
| 915 | }
|
---|
| 916 | }
|
---|
| 917 |
|
---|
[1136] | 918 | geoSubMesh->mStrip = (Index**) malloc( sizeof(Index*)
|
---|
| 919 | *
|
---|
| 920 | geoSubMesh->mStripCount);
|
---|
[1083] | 921 |
|
---|
| 922 | // Number of strips. Initially there is one triangle strip.
|
---|
| 923 | strip_count = 1;
|
---|
[1136] | 924 | head_found = false;
|
---|
| 925 | tail_found = false;
|
---|
[1083] | 926 |
|
---|
| 927 | // Initialize the fist triangle strip.
|
---|
| 928 | geoSubMesh->mStrip[0] = &geoSubMesh->mIndex[0];
|
---|
| 929 |
|
---|
| 930 | // Foreachone of the indices.
|
---|
| 931 | // Assigns the beginning of the triangle strips.
|
---|
[1136] | 932 | for(size_t i = 0;i < (geoSubMesh->mIndexCount - 1); i++)
|
---|
[1083] | 933 | {
|
---|
| 934 | if(geoSubMesh->mIndex[i] == geoSubMesh->mIndex[i+1])
|
---|
| 935 | {
|
---|
| 936 | if(head_found)
|
---|
| 937 | {
|
---|
| 938 | if (!tail_found)
|
---|
| 939 | {
|
---|
| 940 | tailIndex = i;
|
---|
| 941 | }
|
---|
| 942 |
|
---|
| 943 | tail_found = true;
|
---|
| 944 | }
|
---|
| 945 | else
|
---|
| 946 | {
|
---|
| 947 | head_found = true;
|
---|
| 948 | }
|
---|
| 949 |
|
---|
| 950 | // Jump one index.
|
---|
| 951 | i++;
|
---|
| 952 | }
|
---|
| 953 | else
|
---|
| 954 | {
|
---|
| 955 | // Increments the number of triangle strips.
|
---|
| 956 | if(tail_found)
|
---|
| 957 | {
|
---|
| 958 | geoSubMesh->mStrip[strip_count++] = &geoSubMesh->mIndex[tailIndex];
|
---|
| 959 | }
|
---|
| 960 |
|
---|
| 961 | head_found = false;
|
---|
| 962 | tail_found = false;
|
---|
| 963 | }
|
---|
| 964 | }
|
---|
| 965 |
|
---|
| 966 | // Remove degenerate triangles of a submesh given.
|
---|
| 967 | //geoSubMesh = removeDegenerateTriangles(geoSubMesh);
|
---|
| 968 |
|
---|
| 969 | return geoSubMesh;
|
---|
| 970 | }
|
---|
| 971 |
|
---|
[2127] | 972 | //-------------------------------------------------------------------------
|
---|
[1083] | 973 | // Remove degenerate triangles of a submesh given.
|
---|
[2127] | 974 | //-------------------------------------------------------------------------
|
---|
[1083] | 975 | SubMesh * GeoMeshLoader::removeDegenerateTriangles(SubMesh *geoSubMesh)
|
---|
| 976 | {
|
---|
| 977 | Index *indices;
|
---|
| 978 | Index *index;
|
---|
| 979 | Index *indexBegin;
|
---|
| 980 | Index *indexEnd;
|
---|
| 981 | Index *new_strip_starts;
|
---|
| 982 | size_t new_index_count;
|
---|
| 983 | size_t current_index;
|
---|
| 984 |
|
---|
| 985 | // Stores the new starts of strips.
|
---|
| 986 | new_strip_starts = new Index[geoSubMesh->mStripCount];
|
---|
| 987 |
|
---|
| 988 | // Calculate the new index count.
|
---|
| 989 | new_index_count = geoSubMesh->mIndexCount
|
---|
| 990 | -
|
---|
| 991 | (2 * geoSubMesh->mStripCount)
|
---|
| 992 | +
|
---|
| 993 | 2;
|
---|
| 994 |
|
---|
| 995 | // Auxiliar index array.
|
---|
| 996 | indices = new Index[new_index_count];
|
---|
| 997 |
|
---|
| 998 | // Initialize the current index.
|
---|
| 999 | current_index = 0;
|
---|
| 1000 |
|
---|
| 1001 | // For each one of the strips.
|
---|
[1136] | 1002 | for (size_t strip = 0; strip < geoSubMesh->mStripCount; strip++)
|
---|
[1083] | 1003 | {
|
---|
| 1004 | // Stars of strip without degenerate triangles.
|
---|
[1136] | 1005 | new_strip_starts[strip] = (Index)current_index;
|
---|
[1083] | 1006 |
|
---|
| 1007 | // First index of the strip.
|
---|
| 1008 | indexBegin = geoSubMesh->mStrip[strip];
|
---|
| 1009 |
|
---|
| 1010 | // If is the final strip
|
---|
| 1011 | if (strip == (geoSubMesh->mStripCount - 1))
|
---|
| 1012 | {
|
---|
| 1013 | // The end of the index array.
|
---|
| 1014 | indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
|
---|
| 1015 | }
|
---|
| 1016 | else
|
---|
| 1017 | {
|
---|
| 1018 | // The beginning of the next strip.
|
---|
| 1019 | indexEnd = geoSubMesh->mStrip[strip + 1];
|
---|
| 1020 | }
|
---|
| 1021 |
|
---|
| 1022 | int i;
|
---|
| 1023 | i = 0;
|
---|
| 1024 |
|
---|
| 1025 | // If is not the first strip.
|
---|
| 1026 | if (strip != 0)
|
---|
| 1027 | {
|
---|
| 1028 | indexBegin++;
|
---|
| 1029 | }
|
---|
| 1030 |
|
---|
| 1031 | // If is not the last strip.
|
---|
| 1032 | if (strip != (geoSubMesh->mStripCount - 1))
|
---|
| 1033 | {
|
---|
| 1034 | indexEnd--;
|
---|
| 1035 | }
|
---|
| 1036 |
|
---|
| 1037 | // For each index of the strip.
|
---|
| 1038 | for (index = indexBegin; index < indexEnd; index++)
|
---|
| 1039 | {
|
---|
| 1040 | indices[current_index++] = indexBegin[i];
|
---|
| 1041 |
|
---|
| 1042 | // Increments i.
|
---|
| 1043 | i++;
|
---|
| 1044 | }
|
---|
| 1045 |
|
---|
| 1046 | }
|
---|
| 1047 |
|
---|
| 1048 | // Free Index memory.
|
---|
| 1049 | delete []geoSubMesh->mIndex;
|
---|
| 1050 |
|
---|
| 1051 | // Update index count.
|
---|
| 1052 | geoSubMesh->mIndexCount = new_index_count;
|
---|
| 1053 |
|
---|
| 1054 | geoSubMesh->mIndex = new Index[new_index_count];
|
---|
| 1055 |
|
---|
| 1056 | // Store new index array without degenerate triangles.
|
---|
| 1057 | for (size_t i = 0; i < geoSubMesh->mIndexCount; i++)
|
---|
| 1058 | {
|
---|
| 1059 | geoSubMesh->mIndex[i] = indices[i];
|
---|
| 1060 | }
|
---|
| 1061 |
|
---|
| 1062 | // Free auxiliar index array;
|
---|
| 1063 | delete []indices;
|
---|
| 1064 |
|
---|
| 1065 | // Update start of the strip.
|
---|
[1136] | 1066 | for (size_t strip = 0; strip < geoSubMesh->mStripCount; strip++)
|
---|
[1083] | 1067 | {
|
---|
| 1068 | geoSubMesh->mStrip[strip] = &geoSubMesh->mIndex[new_strip_starts[strip]];
|
---|
| 1069 | }
|
---|
| 1070 |
|
---|
| 1071 | // Free auxiliar strip starts.
|
---|
| 1072 | delete []new_strip_starts;
|
---|
| 1073 |
|
---|
| 1074 | return geoSubMesh;
|
---|
| 1075 | }
|
---|
| 1076 |
|
---|
[2127] | 1077 | //-------------------------------------------------------------------------
|
---|
[1083] | 1078 | // Loads a mesh.
|
---|
[2127] | 1079 | //-------------------------------------------------------------------------
|
---|
[1083] | 1080 | Mesh* GeoMeshLoader::load(char *nameFileMesh)
|
---|
| 1081 | {
|
---|
| 1082 | unsigned short uno;
|
---|
| 1083 | unsigned short chunkID;
|
---|
| 1084 | char version[255];
|
---|
| 1085 | FILE *pFile;
|
---|
[2127] | 1086 | SubMesh *geosubmesh;
|
---|
[1083] | 1087 |
|
---|
| 1088 | // Debug.
|
---|
| 1089 | cout << "---------------------------------"
|
---|
| 1090 | << endl
|
---|
| 1091 | << "\t LOAD MESH"
|
---|
| 1092 | << endl
|
---|
| 1093 | << "---------------------------------"
|
---|
| 1094 | << endl;
|
---|
| 1095 |
|
---|
| 1096 | // retrieve the extension of the file
|
---|
| 1097 | std::string fileExt;
|
---|
| 1098 | std::string completeFileName(nameFileMesh);
|
---|
| 1099 | for (std::string::reverse_iterator it = completeFileName.rbegin(); it!=completeFileName.rend(); it++)
|
---|
| 1100 | if (*it=='.')
|
---|
| 1101 | break;
|
---|
| 1102 | else
|
---|
| 1103 | fileExt += *it;
|
---|
| 1104 |
|
---|
| 1105 | std::transform(fileExt.begin(), fileExt.end(), fileExt.begin(), std::toupper);
|
---|
| 1106 | reverse(fileExt.begin(),fileExt.end());
|
---|
| 1107 |
|
---|
| 1108 | geoMesh = NULL;
|
---|
[2127] | 1109 |
|
---|
[1083] | 1110 | if (lodstripsdata)
|
---|
[2127] | 1111 | {
|
---|
[1083] | 1112 | delete lodstripsdata;
|
---|
[2127] | 1113 | }
|
---|
[1083] | 1114 |
|
---|
[2127] | 1115 | lodstripsdata = NULL;
|
---|
| 1116 |
|
---|
[1083] | 1117 | if (treesimpseq)
|
---|
[2127] | 1118 | {
|
---|
[1083] | 1119 | delete treesimpseq;
|
---|
[2127] | 1120 | }
|
---|
[1083] | 1121 |
|
---|
[2127] | 1122 | treesimpseq = NULL;
|
---|
| 1123 |
|
---|
[1083] | 1124 | // Open the mesh file.
|
---|
| 1125 | pFile = fopen(nameFileMesh, "rb");
|
---|
| 1126 |
|
---|
| 1127 | if (pFile)
|
---|
| 1128 | {
|
---|
| 1129 | // Initialize the current submesh;
|
---|
| 1130 | currentSubMesh = -1;
|
---|
| 1131 |
|
---|
| 1132 | // Initialize the return value.
|
---|
| 1133 | geoMesh = new Mesh();
|
---|
| 1134 |
|
---|
[2127] | 1135 | if (fileExt == std::string("OBJ"))
|
---|
[1083] | 1136 | {
|
---|
| 1137 | mError = false;
|
---|
| 1138 | importOBJ(pFile,geoMesh);
|
---|
| 1139 | }
|
---|
| 1140 | else
|
---|
| 1141 | {
|
---|
| 1142 | // Count the submeshes
|
---|
| 1143 | // and next build the geomesh.
|
---|
| 1144 | for (int option = 0; option < 2;option++)
|
---|
| 1145 | {
|
---|
| 1146 | // Initialize Error.
|
---|
| 1147 | mError = false;
|
---|
| 1148 |
|
---|
| 1149 | fread(&uno,sizeof(unsigned short),1,pFile);
|
---|
| 1150 |
|
---|
| 1151 | if (uno != M_HEADER)
|
---|
| 1152 | {
|
---|
| 1153 | // Debug.
|
---|
| 1154 | cout << "Error: Header not found."
|
---|
| 1155 | << endl;
|
---|
| 1156 |
|
---|
| 1157 | // Error.
|
---|
| 1158 | mError = true;
|
---|
| 1159 | }
|
---|
| 1160 |
|
---|
| 1161 | // Read version.
|
---|
| 1162 | fgets(version,255,pFile);
|
---|
| 1163 |
|
---|
| 1164 | cout << version << endl;
|
---|
| 1165 |
|
---|
| 1166 | while(!feof(pFile))
|
---|
| 1167 | {
|
---|
| 1168 | chunkID = readChunk(pFile);
|
---|
| 1169 |
|
---|
| 1170 | switch (chunkID)
|
---|
| 1171 | {
|
---|
| 1172 | case M_MESH:
|
---|
| 1173 | readMesh(pFile, geoMesh, option);
|
---|
| 1174 | break;
|
---|
| 1175 | }
|
---|
| 1176 | }
|
---|
| 1177 |
|
---|
| 1178 | // Create the submesh array.
|
---|
| 1179 | if (option == SUBMESH_COUNT)
|
---|
| 1180 | {
|
---|
| 1181 | geoMesh->mSubMesh = new SubMesh[geoMesh->mSubMeshCount];
|
---|
| 1182 | }
|
---|
| 1183 |
|
---|
| 1184 | // Move the curso to the begining of the file.
|
---|
| 1185 | fseek(pFile,0,SEEK_SET);
|
---|
| 1186 | }
|
---|
| 1187 |
|
---|
| 1188 | // Goes to the end of the file.
|
---|
| 1189 | fseek(pFile,0,SEEK_END);
|
---|
| 1190 |
|
---|
| 1191 | // Gets the size of the file.
|
---|
| 1192 | mFileSize = ftell(pFile);
|
---|
| 1193 | }
|
---|
| 1194 |
|
---|
| 1195 | // Close the mesh file.
|
---|
| 1196 | fclose(pFile);
|
---|
| 1197 |
|
---|
| 1198 | // If no error.
|
---|
| 1199 | if (!mError)
|
---|
| 1200 | {
|
---|
[1136] | 1201 | for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
[1083] | 1202 | {
|
---|
| 1203 | // Gets the actual submesh.
|
---|
| 1204 | geosubmesh = &geoMesh->mSubMesh[submesh];
|
---|
| 1205 |
|
---|
| 1206 | if (geosubmesh->mType == Geometry::GEO_TRIANGLE_STRIPS)
|
---|
| 1207 | {
|
---|
| 1208 | // Fill the strips list.
|
---|
| 1209 | geosubmesh = BuildStripsGeoSubMesh(geosubmesh);
|
---|
| 1210 | }
|
---|
| 1211 | }
|
---|
| 1212 |
|
---|
| 1213 | // Sets coods between -1 and 1.
|
---|
| 1214 | normalizeModel(geoMesh);
|
---|
| 1215 | }
|
---|
| 1216 | }
|
---|
| 1217 | else
|
---|
| 1218 | {
|
---|
| 1219 | // Debug.
|
---|
| 1220 | cout << "Error: File not found."
|
---|
| 1221 | << endl;
|
---|
| 1222 |
|
---|
| 1223 | // File not found.
|
---|
| 1224 | mError = true;
|
---|
| 1225 | }
|
---|
| 1226 |
|
---|
| 1227 | // If an error happens.
|
---|
| 1228 | if (mError)
|
---|
| 1229 | {
|
---|
| 1230 | delete geoMesh;
|
---|
| 1231 |
|
---|
| 1232 | geoMesh = NULL;
|
---|
| 1233 | }
|
---|
| 1234 |
|
---|
| 1235 | return geoMesh;
|
---|
| 1236 | }
|
---|
| 1237 |
|
---|
[2127] | 1238 | //-------------------------------------------------------------------------
|
---|
[1083] | 1239 | // Sets coords between -1 and 1.
|
---|
[2127] | 1240 | //-------------------------------------------------------------------------
|
---|
[1083] | 1241 | void GeoMeshLoader::normalizeModel(Mesh *geoMesh)
|
---|
| 1242 | {
|
---|
| 1243 | float maxx, minx, maxy, miny, maxz, minz;
|
---|
| 1244 | float cx, cy, cz, w, h, d, max;
|
---|
| 1245 | float scale;
|
---|
| 1246 | VertexBuffer *vertex_buffer;
|
---|
| 1247 |
|
---|
| 1248 | // Gets vertex buffer.
|
---|
| 1249 | vertex_buffer = geoMesh->mSubMesh[0].mVertexBuffer;
|
---|
| 1250 |
|
---|
| 1251 | // Get the max/mins.
|
---|
| 1252 | maxx = minx = vertex_buffer->mPosition[0].x;
|
---|
| 1253 | maxy = miny = vertex_buffer->mPosition[0].y;
|
---|
| 1254 | maxz = minz = vertex_buffer->mPosition[0].z;
|
---|
| 1255 |
|
---|
| 1256 | // For each submesh.
|
---|
[1136] | 1257 | for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
[1083] | 1258 | {
|
---|
| 1259 | // Gets the actual submesh.
|
---|
| 1260 | vertex_buffer = geoMesh->mSubMesh[submesh].mVertexBuffer;
|
---|
| 1261 |
|
---|
| 1262 | // For each index of the strip.
|
---|
[1136] | 1263 | for (size_t i = 0; i < vertex_buffer->mVertexCount; i++)
|
---|
[1083] | 1264 | {
|
---|
| 1265 | if (maxx < vertex_buffer->mPosition[i].x)
|
---|
| 1266 | {
|
---|
| 1267 | maxx = vertex_buffer->mPosition[i].x;
|
---|
| 1268 | }
|
---|
| 1269 |
|
---|
| 1270 | if (minx > vertex_buffer->mPosition[i].x)
|
---|
| 1271 | {
|
---|
| 1272 | minx = vertex_buffer->mPosition[i].x;
|
---|
| 1273 | }
|
---|
| 1274 |
|
---|
| 1275 | if (maxy < vertex_buffer->mPosition[i].y)
|
---|
| 1276 | {
|
---|
| 1277 | maxy = vertex_buffer->mPosition[i].y;
|
---|
| 1278 | }
|
---|
| 1279 |
|
---|
| 1280 | if (miny > vertex_buffer->mPosition[i].y)
|
---|
| 1281 | {
|
---|
| 1282 | miny = vertex_buffer->mPosition[i].y;
|
---|
| 1283 | }
|
---|
| 1284 |
|
---|
| 1285 | if (maxz < vertex_buffer->mPosition[i].z)
|
---|
| 1286 | {
|
---|
| 1287 | maxz = vertex_buffer->mPosition[i].z;
|
---|
| 1288 | }
|
---|
| 1289 |
|
---|
| 1290 | if (minz > vertex_buffer->mPosition[i].z)
|
---|
| 1291 | {
|
---|
| 1292 | minz = vertex_buffer->mPosition[i].z;
|
---|
| 1293 | }
|
---|
| 1294 | }
|
---|
| 1295 |
|
---|
| 1296 | // If is a shared vertex Buffer.
|
---|
| 1297 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
|
---|
| 1298 | {
|
---|
| 1299 | break;
|
---|
| 1300 | }
|
---|
| 1301 | }
|
---|
| 1302 |
|
---|
| 1303 | // Calculate model width, height, and depth.
|
---|
| 1304 | w = fabs(maxx) + fabs(minx);
|
---|
| 1305 | h = fabs(maxy) + fabs(miny);
|
---|
| 1306 | d = fabs(maxz) + fabs(minz);
|
---|
| 1307 |
|
---|
| 1308 | // Calculate center of the model.
|
---|
[1136] | 1309 | cx = (maxx + minx) / 2.0f;
|
---|
| 1310 | cy = (maxy + miny) / 2.0f;
|
---|
| 1311 | cz = (maxz + minz) / 2.0f;
|
---|
[1083] | 1312 |
|
---|
| 1313 |
|
---|
| 1314 | // Calculate max dimension.
|
---|
| 1315 | if (w > h)
|
---|
| 1316 | {
|
---|
| 1317 | max = w;
|
---|
| 1318 | }
|
---|
| 1319 | else
|
---|
| 1320 | {
|
---|
| 1321 | max = h;
|
---|
| 1322 | }
|
---|
| 1323 |
|
---|
| 1324 | if (d > max)
|
---|
| 1325 | {
|
---|
| 1326 | max = d;
|
---|
| 1327 | }
|
---|
| 1328 |
|
---|
| 1329 | // Calculate unitizing scale factor.
|
---|
[1136] | 1330 | scale = 1.0f / max;
|
---|
[1083] | 1331 |
|
---|
| 1332 | geoMesh->mMeshBounds.scaleFactor = scale;
|
---|
| 1333 |
|
---|
[1098] | 1334 |
|
---|
[1136] | 1335 | bool *sharedmesh;
|
---|
| 1336 |
|
---|
| 1337 | sharedmesh = new bool[geoMesh->mSubMeshCount];
|
---|
| 1338 |
|
---|
| 1339 | bool firstsharedmesh = true;
|
---|
| 1340 |
|
---|
| 1341 | for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
[1098] | 1342 | {
|
---|
| 1343 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
|
---|
[1136] | 1344 | {
|
---|
| 1345 | sharedmesh[submesh] = true;
|
---|
| 1346 | }
|
---|
[1098] | 1347 | else
|
---|
[1136] | 1348 | {
|
---|
| 1349 | sharedmesh[submesh] = false;
|
---|
| 1350 | }
|
---|
[1098] | 1351 | }
|
---|
| 1352 |
|
---|
[1083] | 1353 | // Translate around center then scale.
|
---|
| 1354 | // For each submesh.
|
---|
[1136] | 1355 | for (size_t submesh = 0; submesh < geoMesh->mSubMeshCount; submesh++)
|
---|
[1083] | 1356 | {
|
---|
[1098] | 1357 | // If is a shared vertex Buffer.
|
---|
| 1358 | if (geoMesh->mSubMesh[submesh].mSharedVertexBuffer)
|
---|
| 1359 | {
|
---|
| 1360 | if (!firstsharedmesh)
|
---|
[1136] | 1361 | {
|
---|
[1098] | 1362 | continue;
|
---|
[1136] | 1363 | }
|
---|
[1098] | 1364 | else
|
---|
[1136] | 1365 | {
|
---|
| 1366 | firstsharedmesh = false;
|
---|
| 1367 | }
|
---|
[1098] | 1368 | }
|
---|
| 1369 |
|
---|
[1083] | 1370 | // Gets the actual submesh.
|
---|
| 1371 | vertex_buffer = geoMesh->mSubMesh[submesh].mVertexBuffer;
|
---|
| 1372 |
|
---|
| 1373 | // For each index of the strip.
|
---|
[1136] | 1374 | for (size_t i = 0; i < vertex_buffer->mVertexCount; i++)
|
---|
[1083] | 1375 | {
|
---|
| 1376 | vertex_buffer->mPosition[i].x -= cx;
|
---|
| 1377 | vertex_buffer->mPosition[i].y -= cy;
|
---|
| 1378 | vertex_buffer->mPosition[i].z -= cz;
|
---|
| 1379 | vertex_buffer->mPosition[i].x *= scale;
|
---|
| 1380 | vertex_buffer->mPosition[i].y *= scale;
|
---|
| 1381 | vertex_buffer->mPosition[i].z *= scale;
|
---|
| 1382 | }
|
---|
| 1383 | }
|
---|
| 1384 |
|
---|
[1098] | 1385 | delete[] sharedmesh;
|
---|
[1083] | 1386 | }
|
---|
| 1387 |
|
---|
[2127] | 1388 | //-------------------------------------------------------------------------
|
---|
[1083] | 1389 | // Get the size in bytes of the file.
|
---|
[2127] | 1390 | //-------------------------------------------------------------------------
|
---|
[1083] | 1391 | size_t GeoMeshLoader::getFileSize()
|
---|
| 1392 | {
|
---|
| 1393 | return mFileSize;
|
---|
| 1394 | }
|
---|
| 1395 |
|
---|
[2127] | 1396 | //-------------------------------------------------------------------------
|
---|
[1083] | 1397 | // Constructor
|
---|
[2127] | 1398 | //-------------------------------------------------------------------------
|
---|
[1083] | 1399 | GeoMeshLoader::GeoMeshLoader()
|
---|
| 1400 | {
|
---|
[1136] | 1401 | geoMesh = NULL;
|
---|
| 1402 | mFileSize = 0;
|
---|
[1083] | 1403 | lodstripsdata = NULL;
|
---|
| 1404 | treesimpseq = NULL;
|
---|
| 1405 | }
|
---|
| 1406 |
|
---|
[2127] | 1407 | //-------------------------------------------------------------------------
|
---|
[1083] | 1408 | // Destroyer.
|
---|
[2127] | 1409 | //-------------------------------------------------------------------------
|
---|
[1083] | 1410 | GeoMeshLoader::~GeoMeshLoader()
|
---|
| 1411 | {
|
---|
| 1412 | if (geoMesh)
|
---|
[1136] | 1413 | {
|
---|
[1083] | 1414 | delete geoMesh;
|
---|
[1136] | 1415 | }
|
---|
| 1416 |
|
---|
[1083] | 1417 | if (lodstripsdata)
|
---|
[1136] | 1418 | {
|
---|
[1083] | 1419 | delete lodstripsdata;
|
---|
[1136] | 1420 | }
|
---|
| 1421 |
|
---|
[1083] | 1422 | if (treesimpseq)
|
---|
[1136] | 1423 | {
|
---|
[1083] | 1424 | delete treesimpseq;
|
---|
[1136] | 1425 | }
|
---|
[1083] | 1426 | }
|
---|
| 1427 |
|
---|
[2127] | 1428 | //-------------------------------------------------------------------------
|
---|
[1083] | 1429 | // Read bones of the submesh.
|
---|
[2127] | 1430 | //-------------------------------------------------------------------------
|
---|
[1526] | 1431 | void GeoMeshLoader::readSubMeshBoneAssignment(FILE *f,
|
---|
| 1432 | SubMesh *geoSubMesh,
|
---|
| 1433 | int option)
|
---|
[1083] | 1434 | {
|
---|
| 1435 | if (option == GEOMESH_BUILD)
|
---|
| 1436 | {
|
---|
| 1437 | VertexBoneAssignment assign;
|
---|
| 1438 |
|
---|
| 1439 | // unsigned int vertexIndex;
|
---|
| 1440 | fread(&(assign.vertexIndex),sizeof(unsigned int),1,f);
|
---|
| 1441 | // unsigned short boneIndex;
|
---|
| 1442 | fread(&(assign.boneIndex),sizeof(unsigned short),1,f);
|
---|
| 1443 | // float weight
|
---|
| 1444 | fread(&(assign.weight),sizeof(float),1,f);
|
---|
| 1445 |
|
---|
| 1446 | geoSubMesh->mBones.push_back(assign);
|
---|
| 1447 | }
|
---|
| 1448 | }
|
---|
| 1449 |
|
---|
[2127] | 1450 | //-------------------------------------------------------------------------
|
---|
[1083] | 1451 | // Read bones of the main mesh.
|
---|
[2127] | 1452 | //-------------------------------------------------------------------------
|
---|
[1526] | 1453 | void GeoMeshLoader::readMeshBoneAssignment(FILE *f, Mesh *geoMesh, int option)
|
---|
[1083] | 1454 | {
|
---|
| 1455 | if (option == GEOMESH_BUILD)
|
---|
| 1456 | {
|
---|
| 1457 | VertexBoneAssignment assign;
|
---|
| 1458 |
|
---|
| 1459 | // unsigned int vertexIndex;
|
---|
| 1460 | fread(&(assign.vertexIndex),sizeof(unsigned int),1,f);
|
---|
| 1461 | // unsigned short boneIndex;
|
---|
| 1462 | fread(&(assign.boneIndex),sizeof(unsigned short),1,f);
|
---|
| 1463 | // float weight
|
---|
| 1464 | fread(&(assign.weight),sizeof(float),1,f);
|
---|
| 1465 |
|
---|
| 1466 | geoMesh->mBones.push_back(assign);
|
---|
| 1467 | }
|
---|
| 1468 | }
|
---|
| 1469 |
|
---|
[2127] | 1470 | //-------------------------------------------------------------------------
|
---|
[1083] | 1471 | // Read skeleton link.
|
---|
[2127] | 1472 | //-------------------------------------------------------------------------
|
---|
[1526] | 1473 | void GeoMeshLoader::readSkeletonLink(FILE *f, Mesh *geoMesh, int option)
|
---|
[1083] | 1474 | {
|
---|
| 1475 | if (option == GEOMESH_BUILD)
|
---|
| 1476 | {
|
---|
| 1477 | fgets(geoMesh->mSkeletonName,255,f);
|
---|
| 1478 |
|
---|
| 1479 | geoMesh->hasSkeleton = true;
|
---|
| 1480 |
|
---|
| 1481 | // Debug.
|
---|
| 1482 | cout << "Skeleton Name: "
|
---|
| 1483 | << geoMesh->mSkeletonName
|
---|
| 1484 | << endl;
|
---|
| 1485 | }
|
---|
| 1486 | }
|
---|
| 1487 |
|
---|
[2127] | 1488 | //-------------------------------------------------------------------------
|
---|
[1083] | 1489 | // Read bounding box settings.
|
---|
[2127] | 1490 | //-------------------------------------------------------------------------
|
---|
[1083] | 1491 | void GeoMeshLoader::readMeshBounds(FILE *f, Mesh *geoMesh, int option)
|
---|
| 1492 | {
|
---|
| 1493 | if (option == GEOMESH_BUILD)
|
---|
| 1494 | {
|
---|
| 1495 | fread(&(geoMesh->mMeshBounds.minX),sizeof(float),1,f);
|
---|
| 1496 | fread(&(geoMesh->mMeshBounds.minY),sizeof(float),1,f);
|
---|
| 1497 | fread(&(geoMesh->mMeshBounds.minZ),sizeof(float),1,f);
|
---|
| 1498 | fread(&(geoMesh->mMeshBounds.maxX),sizeof(float),1,f);
|
---|
| 1499 | fread(&(geoMesh->mMeshBounds.maxY),sizeof(float),1,f);
|
---|
| 1500 | fread(&(geoMesh->mMeshBounds.maxZ),sizeof(float),1,f);
|
---|
| 1501 | fread(&(geoMesh->mMeshBounds.radius),sizeof(float),1,f);
|
---|
| 1502 | }
|
---|
| 1503 | }
|
---|
| 1504 |
|
---|
| 1505 | struct face_t
|
---|
| 1506 | {
|
---|
| 1507 | int v1,v2,v3;
|
---|
| 1508 | int t1,t2,t3;
|
---|
| 1509 | int n1,n2,n3;
|
---|
| 1510 | };
|
---|
| 1511 |
|
---|
| 1512 | class VertexArranger
|
---|
| 1513 | {
|
---|
| 1514 | public:
|
---|
[1136] | 1515 |
|
---|
| 1516 | VertexArranger(Geometry::Mesh *m)
|
---|
| 1517 | {
|
---|
| 1518 | mesh = m;
|
---|
| 1519 | current_submesh = 0;
|
---|
| 1520 | current_tris = new int[m->mSubMeshCount];
|
---|
| 1521 |
|
---|
| 1522 | for (size_t i = 0; i < m->mSubMeshCount; i++)
|
---|
| 1523 | {
|
---|
| 1524 | current_tris[i] = 0;
|
---|
| 1525 | }
|
---|
[1083] | 1526 | }
|
---|
[1136] | 1527 |
|
---|
| 1528 | ~VertexArranger(void)
|
---|
| 1529 | {
|
---|
[1083] | 1530 | delete[] current_tris;
|
---|
| 1531 | }
|
---|
| 1532 |
|
---|
| 1533 | void AddFace(int v1, int v2, int v3, int t1, int t2, int t3, int n1, int n2, int n3){
|
---|
| 1534 | Geometry::SubMesh *submesh = mesh->mSubMesh + current_submesh;
|
---|
| 1535 |
|
---|
| 1536 | vertex_arranger_node vertex1(v1,n1,t1);
|
---|
| 1537 | vertex_arranger_node vertex2(v2,n2,t2);
|
---|
| 1538 | vertex_arranger_node vertex3(v3,n3,t3);
|
---|
| 1539 |
|
---|
| 1540 | int j = current_tris[current_submesh];
|
---|
| 1541 |
|
---|
| 1542 | std::map<vertex_arranger_node,int>::iterator res;
|
---|
| 1543 | res=vertex_map.find(vertex1);
|
---|
| 1544 | if (res==vertex_map.end())
|
---|
| 1545 | {
|
---|
[1136] | 1546 | int val = (int)vertex_map.size();
|
---|
[1083] | 1547 | vertex_map[vertex1] = val;
|
---|
| 1548 | submesh->mIndex[j*3+0] = val;
|
---|
| 1549 | }
|
---|
| 1550 | else
|
---|
| 1551 | submesh->mIndex[j*3+0] = res->second;
|
---|
| 1552 |
|
---|
| 1553 | res=vertex_map.find(vertex2);
|
---|
| 1554 | if (res==vertex_map.end())
|
---|
| 1555 | {
|
---|
[1136] | 1556 | int val = (int)vertex_map.size();
|
---|
[1083] | 1557 | vertex_map[vertex2] = val;
|
---|
| 1558 | submesh->mIndex[j*3+1] = val;
|
---|
| 1559 | }
|
---|
| 1560 | else
|
---|
| 1561 | submesh->mIndex[j*3+1] = res->second;
|
---|
| 1562 |
|
---|
| 1563 | res=vertex_map.find(vertex3);
|
---|
| 1564 | if (res==vertex_map.end())
|
---|
| 1565 | {
|
---|
[1136] | 1566 | int val = (int)vertex_map.size();
|
---|
[1083] | 1567 | vertex_map[vertex3] = val;
|
---|
| 1568 | submesh->mIndex[j*3+2] = val;
|
---|
| 1569 | }
|
---|
| 1570 | else
|
---|
[1136] | 1571 | {
|
---|
[1083] | 1572 | submesh->mIndex[j*3+2] = res->second;
|
---|
[1136] | 1573 | }
|
---|
[1083] | 1574 |
|
---|
| 1575 | current_tris[current_submesh] ++;
|
---|
| 1576 | }
|
---|
| 1577 |
|
---|
[1136] | 1578 | int GetVertexCount(void) const
|
---|
| 1579 | {
|
---|
| 1580 | return (int)vertex_map.size();
|
---|
| 1581 | }
|
---|
[1083] | 1582 |
|
---|
[1136] | 1583 | void SetCurrentSubMesh(int i)
|
---|
| 1584 | {
|
---|
| 1585 | current_submesh = i;
|
---|
| 1586 | }
|
---|
[1083] | 1587 |
|
---|
| 1588 | class vertex_arranger_node
|
---|
| 1589 | {
|
---|
| 1590 | public:
|
---|
| 1591 | int v, n, t;
|
---|
| 1592 |
|
---|
| 1593 | vertex_arranger_node(void){
|
---|
| 1594 | v=n=t=-1;
|
---|
| 1595 | }
|
---|
| 1596 | vertex_arranger_node(int iv, int in=-1, int it=-1){
|
---|
| 1597 | v=iv;
|
---|
| 1598 | n=in;
|
---|
| 1599 | t=it;
|
---|
| 1600 | }
|
---|
| 1601 |
|
---|
| 1602 | bool operator<(const vertex_arranger_node &vu) const {
|
---|
| 1603 | if (v<vu.v) return true;
|
---|
| 1604 | if (v>vu.v) return false;
|
---|
| 1605 | if (n<vu.n) return true;
|
---|
| 1606 | if (n>vu.n) return false;
|
---|
| 1607 | if (t<vu.t) return true;
|
---|
| 1608 | if (t>vu.t) return false;
|
---|
| 1609 | return false;
|
---|
| 1610 | }
|
---|
| 1611 | bool operator==(const vertex_arranger_node &vu) const {
|
---|
| 1612 | return (v==vu.v && v==vu.v && n==vu.n && n==vu.n && t==vu.t && t==vu.t);
|
---|
| 1613 | }
|
---|
| 1614 | };
|
---|
| 1615 |
|
---|
| 1616 | /* VertexArranger::vertex_arranger_node *GetVertexInfo(void) const {
|
---|
| 1617 | vertex_arranger_node * vertex_list = new vertex_arranger_node[GetVertexCount()];
|
---|
| 1618 | for (std::map<vertex_arranger_node,int>::const_iterator it=vertex_map.begin(); it!=vertex_map.end(); it++)
|
---|
| 1619 | vertex_list[it->second] = it->first;
|
---|
| 1620 | return vertex_list;
|
---|
| 1621 | }
|
---|
| 1622 |
|
---|
| 1623 | const std::vector<int> GetIndexInfo(void) const { return indices; }*/
|
---|
| 1624 |
|
---|
| 1625 | void Arrange( const std::vector<Geometry::Vector3> & vertices,
|
---|
| 1626 | const std::vector<Geometry::Vector3> & normals,
|
---|
| 1627 | const std::vector<Geometry::Vector2> & texcoords){
|
---|
| 1628 |
|
---|
| 1629 | mesh->mVertexBuffer=new Geometry::VertexBuffer;
|
---|
| 1630 | mesh->mVertexBuffer->mVertexCount = GetVertexCount();
|
---|
| 1631 | mesh->mVertexBuffer->mPosition = new Geometry::Vector3[mesh->mVertexBuffer->mVertexCount];
|
---|
| 1632 | mesh->mVertexBuffer->mTexCoords = texcoords.empty()?NULL:new Geometry::Vector2[mesh->mVertexBuffer->mVertexCount];
|
---|
| 1633 | mesh->mVertexBuffer->mNormal = normals.empty()?NULL:new Geometry::Vector3[mesh->mVertexBuffer->mVertexCount];
|
---|
| 1634 | mesh->mVertexBuffer->mVertexInfo = Geometry::VERTEX_POSITION | (texcoords.empty()?0:Geometry::VERTEX_TEXCOORDS) | (normals.empty()?0:Geometry::VERTEX_NORMAL);
|
---|
| 1635 |
|
---|
| 1636 | // sort the calculated vertices
|
---|
| 1637 |
|
---|
| 1638 | vertex_arranger_node * vertex_list = new vertex_arranger_node[mesh->mVertexBuffer->mVertexCount];
|
---|
| 1639 | for (std::map<vertex_arranger_node,int>::iterator it=vertex_map.begin(); it!=vertex_map.end(); it++)
|
---|
| 1640 | vertex_list[it->second] = it->first;
|
---|
| 1641 |
|
---|
[1136] | 1642 | for ( size_t i = 0; i < mesh->mSubMeshCount; i++)
|
---|
| 1643 | {
|
---|
[1083] | 1644 | mesh->mSubMesh[i].mVertexBuffer = mesh->mVertexBuffer;
|
---|
[1136] | 1645 | }
|
---|
[1083] | 1646 |
|
---|
[1136] | 1647 | for (size_t j = 0; j < mesh->mVertexBuffer->mVertexCount; j++)
|
---|
[1083] | 1648 | {
|
---|
| 1649 | int vi = vertex_list[j].v;
|
---|
| 1650 | int ti = vertex_list[j].t;
|
---|
| 1651 | int ni = vertex_list[j].n;
|
---|
| 1652 |
|
---|
| 1653 | Geometry::Vector3 auxpos(vertices[vi]);
|
---|
| 1654 |
|
---|
[1136] | 1655 | if (auxpos.x < mesh->mMeshBounds.minX)
|
---|
| 1656 | {
|
---|
| 1657 | mesh->mMeshBounds.minX = auxpos.x;
|
---|
| 1658 | }
|
---|
| 1659 |
|
---|
| 1660 | if (auxpos.y < mesh->mMeshBounds.minY)
|
---|
| 1661 | {
|
---|
| 1662 | mesh->mMeshBounds.minY = auxpos.y;
|
---|
| 1663 | }
|
---|
| 1664 |
|
---|
| 1665 | if (auxpos.z < mesh->mMeshBounds.minZ)
|
---|
| 1666 | {
|
---|
| 1667 | mesh->mMeshBounds.minZ = auxpos.z;
|
---|
| 1668 | }
|
---|
| 1669 |
|
---|
| 1670 | if (auxpos.x > mesh->mMeshBounds.maxX)
|
---|
| 1671 | {
|
---|
| 1672 | mesh->mMeshBounds.maxX = auxpos.x;
|
---|
| 1673 | }
|
---|
| 1674 |
|
---|
| 1675 | if (auxpos.y > mesh->mMeshBounds.maxY)
|
---|
| 1676 | {
|
---|
| 1677 | mesh->mMeshBounds.maxY = auxpos.y;
|
---|
| 1678 | }
|
---|
| 1679 |
|
---|
| 1680 | if (auxpos.z > mesh->mMeshBounds.maxZ)
|
---|
| 1681 | {
|
---|
| 1682 | mesh->mMeshBounds.maxZ = auxpos.z;
|
---|
| 1683 | }
|
---|
| 1684 |
|
---|
| 1685 | mesh->mVertexBuffer->mPosition[j] = auxpos;
|
---|
| 1686 | mesh->mVertexBuffer->mNormal[j] = normals[ni];
|
---|
| 1687 |
|
---|
| 1688 | if (texcoords.empty() == false)
|
---|
| 1689 | {
|
---|
| 1690 | mesh->mVertexBuffer->mTexCoords[j] = texcoords[ti];
|
---|
| 1691 | }
|
---|
[1083] | 1692 | }
|
---|
| 1693 |
|
---|
| 1694 | delete[] vertex_list;
|
---|
| 1695 | }
|
---|
| 1696 |
|
---|
| 1697 | //private:
|
---|
[1136] | 1698 | std::map<vertex_arranger_node,int> vertex_map;
|
---|
| 1699 | Geometry::Mesh *mesh;
|
---|
| 1700 | int current_submesh;
|
---|
| 1701 | int *current_tris;
|
---|
[1083] | 1702 | };
|
---|
| 1703 |
|
---|
| 1704 |
|
---|
| 1705 | void GeoMeshLoader::importOBJ(FILE *f, Mesh *mesh)
|
---|
| 1706 | {
|
---|
| 1707 | mesh->hasSkeleton=false;
|
---|
| 1708 | mesh->mSubMeshCount=0;
|
---|
| 1709 |
|
---|
| 1710 | std::vector<Geometry::Vector3> vertices;
|
---|
| 1711 | std::vector<Geometry::Vector3> normals;
|
---|
| 1712 | std::vector<Geometry::Vector2> texcoords;
|
---|
| 1713 | std::vector<std::vector<face_t> > faces;
|
---|
| 1714 | std::vector<face_t> current_faces;
|
---|
| 1715 |
|
---|
| 1716 | mesh->mMeshBounds.maxX = -99999999.9f;
|
---|
| 1717 | mesh->mMeshBounds.maxY = -99999999.9f;
|
---|
| 1718 | mesh->mMeshBounds.maxZ = -99999999.9f;
|
---|
| 1719 | mesh->mMeshBounds.minX = 99999999.9f;
|
---|
| 1720 | mesh->mMeshBounds.minY = 99999999.9f;
|
---|
| 1721 | mesh->mMeshBounds.minZ = 99999999.9f;
|
---|
| 1722 | mesh->mMeshBounds.radius = 1.0f;
|
---|
| 1723 | mesh->mMeshBounds.scaleFactor = 1.0f;
|
---|
| 1724 |
|
---|
| 1725 | char line[256]="";
|
---|
| 1726 | while(!feof(f))
|
---|
| 1727 | {
|
---|
| 1728 | fgets(line,256,f);
|
---|
| 1729 | if (line[0]=='v' && line[1]==' ')
|
---|
| 1730 | {
|
---|
| 1731 | Geometry::Vector3 v3;
|
---|
| 1732 | sscanf(line+2,"%f %f %f",&v3.x,&v3.y,&v3.z);
|
---|
| 1733 | vertices.push_back(v3);
|
---|
| 1734 | }
|
---|
| 1735 | else if (line[0]=='v' && line[1]=='t')
|
---|
| 1736 | {
|
---|
| 1737 | Geometry::Vector2 v2;
|
---|
| 1738 | sscanf(line+2,"%f %f",&v2.x,&v2.y);
|
---|
| 1739 | texcoords.push_back(v2);
|
---|
| 1740 | }
|
---|
| 1741 | else if (line[0]=='v' && line[1]=='n')
|
---|
| 1742 | {
|
---|
| 1743 | Geometry::Vector3 v3;
|
---|
| 1744 | sscanf(line+2,"%f %f %f",&v3.x,&v3.y,&v3.z);
|
---|
| 1745 | normals.push_back(v3);
|
---|
| 1746 | }
|
---|
| 1747 | else if (line[0]=='f')
|
---|
| 1748 | {
|
---|
| 1749 | face_t auxface;
|
---|
| 1750 | auxface.n1=auxface.n2=auxface.n3=auxface.t1=auxface.t2=auxface.t3=auxface.v1=auxface.v2=auxface.v3=0;
|
---|
| 1751 | int n = sscanf(line+2,"%d/%d/%d %d/%d/%d %d/%d/%d", &auxface.v1,&auxface.t1,&auxface.n1,
|
---|
| 1752 | &auxface.v2,&auxface.t2,&auxface.n2,
|
---|
| 1753 | &auxface.v3,&auxface.t3,&auxface.n3);
|
---|
| 1754 | if (n<9)
|
---|
| 1755 | {
|
---|
| 1756 | auxface.n1=auxface.n2=auxface.n3=auxface.t1=auxface.t2=auxface.t3=auxface.v1=auxface.v2=auxface.v3=0;
|
---|
| 1757 | n = sscanf(line+2,"%d//%d %d//%d %d//%d", &auxface.v1,&auxface.n1,
|
---|
| 1758 | &auxface.v2,&auxface.n2,
|
---|
| 1759 | &auxface.v3,&auxface.n3);
|
---|
| 1760 | if (n<6)
|
---|
| 1761 | {
|
---|
| 1762 | auxface.n1=auxface.n2=auxface.n3=auxface.t1=auxface.t2=auxface.t3=auxface.v1=auxface.v2=auxface.v3=0;
|
---|
| 1763 | n = sscanf(line+2,"%d/%d %d/%d %d/%d", &auxface.v1,&auxface.t1,
|
---|
| 1764 | &auxface.v2,&auxface.t2,
|
---|
| 1765 | &auxface.v3,&auxface.t3);
|
---|
| 1766 | if (n<6)
|
---|
| 1767 | {
|
---|
| 1768 | auxface.n1=auxface.n2=auxface.n3=auxface.t1=auxface.t2=auxface.t3=auxface.v1=auxface.v2=auxface.v3=0;
|
---|
| 1769 | n = sscanf(line+2,"%d %d %d", &auxface.v1,&auxface.v2,&auxface.v3);
|
---|
| 1770 | }
|
---|
| 1771 | }
|
---|
| 1772 | }
|
---|
| 1773 |
|
---|
| 1774 | auxface.v1=abs(auxface.v1); auxface.v2=abs(auxface.v2); auxface.v3=abs(auxface.v3);
|
---|
| 1775 | auxface.t1=abs(auxface.t1); auxface.t2=abs(auxface.t2); auxface.t3=abs(auxface.t3);
|
---|
| 1776 | auxface.n1=abs(auxface.n1); auxface.n2=abs(auxface.n2); auxface.n3=abs(auxface.n3);
|
---|
| 1777 | auxface.v1--; auxface.v2--; auxface.v3--;
|
---|
| 1778 | auxface.t1--; auxface.t2--; auxface.t3--;
|
---|
| 1779 | auxface.n1--; auxface.n2--; auxface.n3--;
|
---|
| 1780 | current_faces.push_back(auxface);
|
---|
| 1781 | }
|
---|
| 1782 | else if (line[0]=='g')
|
---|
| 1783 | {
|
---|
| 1784 | if (current_faces.size()>0)
|
---|
| 1785 | faces.push_back(current_faces);
|
---|
| 1786 | current_faces.clear();
|
---|
| 1787 | }
|
---|
| 1788 | }
|
---|
| 1789 |
|
---|
| 1790 | if (current_faces.size()>0)
|
---|
| 1791 | faces.push_back(current_faces);
|
---|
| 1792 | current_faces.clear();
|
---|
| 1793 |
|
---|
| 1794 | mesh->mSubMeshCount = faces.size();
|
---|
| 1795 | bool found_texcoords=!texcoords.empty();
|
---|
| 1796 |
|
---|
| 1797 | if (normals.empty())
|
---|
| 1798 | {
|
---|
| 1799 | // calculate face normals
|
---|
[1136] | 1800 | for (size_t i=0, inormal=0; i<mesh->mSubMeshCount; i++)
|
---|
[1083] | 1801 | {
|
---|
| 1802 | Geometry::SubMesh *submesh = mesh->mSubMesh+i;
|
---|
| 1803 | std::vector<face_t> & vecfaces = faces[i];
|
---|
| 1804 | int j=0;
|
---|
| 1805 | for (std::vector<face_t>::iterator it=vecfaces.begin(); it!=vecfaces.end(); it++,j++,inormal++)
|
---|
| 1806 | {
|
---|
| 1807 | face_t & auxface = *it;
|
---|
[1136] | 1808 |
|
---|
| 1809 | auxface.n1 = (int)inormal;
|
---|
| 1810 | auxface.n2 = (int)inormal;
|
---|
| 1811 | auxface.n3 = (int)inormal;
|
---|
| 1812 |
|
---|
[1083] | 1813 | Geometry::Vector3 v1,v2,v3,v31,v21,nor;
|
---|
| 1814 | v1 = vertices[auxface.v1];
|
---|
| 1815 | v2 = vertices[auxface.v2];
|
---|
| 1816 | v3 = vertices[auxface.v3];
|
---|
| 1817 | v31 = v3 - v1;
|
---|
| 1818 | v21 = v2 - v1;
|
---|
| 1819 | nor = v21.crossProduct(v31);
|
---|
| 1820 | nor.normalise();
|
---|
| 1821 | normals.push_back(nor);
|
---|
| 1822 | }
|
---|
| 1823 | }
|
---|
| 1824 | }
|
---|
| 1825 |
|
---|
| 1826 | // fill up the mesh structure with the loaded information
|
---|
| 1827 |
|
---|
| 1828 | VertexArranger vertex_arranger(mesh);
|
---|
| 1829 |
|
---|
| 1830 | mesh->mSubMesh=new Geometry::SubMesh[mesh->mSubMeshCount];
|
---|
[1136] | 1831 | for (size_t i = 0; i < mesh->mSubMeshCount; i++)
|
---|
[1083] | 1832 | {
|
---|
| 1833 | Geometry::SubMesh *submesh = mesh->mSubMesh+i;
|
---|
| 1834 | int j=0;
|
---|
| 1835 | const std::vector<face_t> & vecfaces = faces[i];
|
---|
| 1836 | std::vector<Geometry::Index> aux_indices;
|
---|
[1526] | 1837 |
|
---|
[1083] | 1838 | submesh->mSharedVertexBuffer = true;
|
---|
| 1839 | submesh->mIndexCount = vecfaces.size()*3;
|
---|
| 1840 | submesh->mIndex=new Geometry::Index[submesh->mIndexCount];
|
---|
| 1841 |
|
---|
[1136] | 1842 | vertex_arranger.SetCurrentSubMesh((int)i);
|
---|
[1083] | 1843 |
|
---|
| 1844 | for (std::vector<face_t>::const_iterator it=vecfaces.begin(); it!=vecfaces.end(); it++,j++)
|
---|
| 1845 | {
|
---|
| 1846 | const face_t & auxface = *it;
|
---|
| 1847 |
|
---|
| 1848 | vertex_arranger.AddFace(auxface.v1,auxface.v2,auxface.v3,
|
---|
| 1849 | auxface.t1,auxface.t2,auxface.t3,
|
---|
| 1850 | auxface.n1,auxface.n2,auxface.n3);
|
---|
| 1851 | }
|
---|
| 1852 | }
|
---|
| 1853 |
|
---|
| 1854 | vertex_arranger.Arrange(vertices,normals,texcoords);
|
---|
| 1855 | }
|
---|
| 1856 |
|
---|