[1009] | 1 | /*==========================================================================
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[774] | 2 | * (C) 2005 Universitat Jaume I
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[1009] | 3 | *==========================================================================
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[774] | 4 | * PROYECT: GAME TOOLS
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[1009] | 5 | *==========================================================================
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| 6 | * CONTENT:
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| 7 | *
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| 8 | *
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| 9 | * @file GeoLodStripsLibrary.cpp
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| 10 | *===========================================================================*/
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[774] | 11 |
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| 12 | #include "GeoLodStripsLibrary.h"
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| 13 |
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| 14 | using namespace Geometry;
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[1541] | 15 | using namespace std;
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[774] | 16 |
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| 17 | //-----------------------------------------------------------------------------
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[1526] | 18 | // Constructor.
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[774] | 19 | //-----------------------------------------------------------------------------
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[1526] | 20 | LodStripsLibrary::LodStripsLibrary(const LodStripsLibraryData *lodstripsdata, Mesh *geomesh, IndexData *userindexdata)
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| 21 | //:dataRetrievalInterface(idfun?idfun:DefaultIndexDataCreator)
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[774] | 22 | {
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[1078] | 23 | // const char *name_of_file;
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[774] | 24 |
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| 25 | // Sets the current lod.
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| 26 | mCurrentLod = 0;
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| 27 |
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| 28 | // Converts a String to const char *.
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[1078] | 29 | // name_of_file = name.data();
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[774] | 30 |
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| 31 | // Sets the global mesh.
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| 32 | mGeoMesh = geomesh;
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[1018] | 33 |
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[1526] | 34 | delete_indexdata=false;
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| 35 | dataRetrievalInterface=userindexdata;
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| 36 |
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[1078] | 37 | indices_x_submesh = NULL;
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[1083] | 38 | offsets_x_submesh = NULL;
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[1090] | 39 | mStripsSubmesh = NULL;
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[1526] | 40 | submesh_x_strip = NULL;
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| 41 | lodFactor=1.0f;
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| 42 | current_triangle_count=0;
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[774] | 43 |
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| 44 | // Loads the Level Of Detail file.
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[1078] | 45 | LodStripsLibrary::LoadStripMesh(lodstripsdata,mGeoMesh);
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[1058] | 46 |
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| 47 | GoToLod(0.0f);
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| 48 | minFaces = 0;
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| 49 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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| 50 | minFaces += int(mStrips[strip].size() - 2);
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| 51 |
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| 52 | GoToLod(1.0f);
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| 53 | maxFaces = 0;
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| 54 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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| 55 | maxFaces += int(mStrips[strip].size() - 2);
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[774] | 56 | }
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| 57 |
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| 58 | //-----------------------------------------------------------------------------
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[1526] | 59 | // Destructor
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[774] | 60 | //-----------------------------------------------------------------------------
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| 61 | LodStripsLibrary::~LodStripsLibrary()
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| 62 | {
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[1014] | 63 | delete [] mStrips;
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[1526] | 64 | if (delete_indexdata)
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[1018] | 65 | delete dataRetrievalInterface;
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[1078] | 66 | if (indices_x_submesh)
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| 67 | delete[] indices_x_submesh;
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[1083] | 68 | if (offsets_x_submesh)
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| 69 | delete[] offsets_x_submesh;
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[1090] | 70 | if (mStripsSubmesh)
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| 71 | delete[] mStripsSubmesh;
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[1526] | 72 | if (submesh_x_strip)
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| 73 | delete[] submesh_x_strip;
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[774] | 74 | }
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| 75 |
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| 76 | //-----------------------------------------------------------------------------
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| 77 | // Public.
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| 78 | //-----------------------------------------------------------------------------
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| 79 |
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[1009] | 80 | //-----------------------------------------------------------------------------
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| 81 | // Go to the level of detail.
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| 82 | //-----------------------------------------------------------------------------
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[1058] | 83 | void LodStripsLibrary::GoToLod(float lodfactor)
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[774] | 84 | {
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[1541] | 85 | register int j;
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| 86 | register int offset;
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[1526] | 87 | long int i;
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| 88 | long int k;
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| 89 | long int b_change_ok = 1;
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[1541] | 90 | unsigned long int lod;
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[1526] | 91 | long int t;
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| 92 | long int r;
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| 93 | long int next;
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| 94 | long int el1;
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| 95 | long int el2;
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| 96 | long int total_changes;
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| 97 | long int totalR;
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[1541] | 98 | SmallIntVector *strip;
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[774] | 99 | SmallIntVector::iterator start;
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| 100 |
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[1526] | 101 | if (lodfactor<0.0f) lodfactor=0.0f;
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| 102 | if (lodfactor>1.0f) lodfactor=1.0f;
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| 103 |
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[1070] | 104 | uint32 newLOD = (uint32)((1.0f - lodfactor) * mLods);
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[1526] | 105 |
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| 106 | lodFactor=lodfactor;
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[1058] | 107 |
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[774] | 108 | if (newLOD != mCurrentLod)
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| 109 | {
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| 110 | if (newLOD > mCurrentLod)
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| 111 | {
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[1014] | 112 | // Forwards.
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[1530] | 113 | // Increments LOD (decreases level of detail)
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[1541] | 114 | for ( lod = mCurrentLod;
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| 115 | (lod < newLOD)
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| 116 | ||
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| 117 | ((mCurrentRegLOD->obligatory == 1) && (lod < (mLods - 1)));
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| 118 | lod++)
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[774] | 119 | {
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[1541] | 120 | next = mVertex[lod];
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[774] | 121 | total_changes = mPChanges[lod];
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| 122 |
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| 123 | for (i = 0; i < total_changes; i++)
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| 124 | {
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[1014] | 125 | // Strip change.
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[1541] | 126 | t = mCurrentRegLOD->strip;
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[774] | 127 | strip = &(mStrips[t]);
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[1541] | 128 | start = strip->begin();
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| 129 |
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[1526] | 130 | int stripsize_ini = strip->size();
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[774] | 131 |
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| 132 | // Position.
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| 133 | totalR = mCurrentRegLOD->position;
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| 134 |
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| 135 | for (j = totalR - 1; j >= 0; j--)
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| 136 | {
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[1526] | 137 | start[*mCurrentData] = next;
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[774] | 138 | ++mCurrentData;
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| 139 | }
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| 140 |
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| 141 | // L1.
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| 142 | totalR = mCurrentRegLOD->vertexRepetition;
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| 143 |
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| 144 | for (j = totalR - 1; j >= 0; j--)
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| 145 | {
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| 146 | offset = *mCurrentData + 1;
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| 147 |
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| 148 | strip->erase( start + offset,
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| 149 | start
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| 150 | +
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| 151 | offset
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| 152 | +
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| 153 | (*(mCurrentData + 1)));
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| 154 |
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| 155 | ++mCurrentData;
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| 156 | ++mCurrentData;
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| 157 | }
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| 158 |
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| 159 | // L2
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| 160 | totalR = mCurrentRegLOD->edgeRepetition;
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| 161 |
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| 162 | for (j = totalR - 1; j >= 0; j--)
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| 163 | {
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| 164 | offset = *mCurrentData + 2;
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| 165 | strip->erase( start + offset,
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| 166 | start
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| 167 | +
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| 168 | offset
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| 169 | +
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| 170 | 2*(*(mCurrentData + 1)));
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| 171 |
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[1014] | 172 | mCurrentData++;
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| 173 | mCurrentData++;
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[774] | 174 | }
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| 175 |
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[1530] | 176 | // lastLOD = mCurrentRegLOD;
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[1014] | 177 | mCurrentRegLOD++;
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[774] | 178 |
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| 179 | mStripsChanges[t] = 1;
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[1526] | 180 |
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| 181 | int stripsize_end = strip->size();
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| 182 | indices_x_submesh[submesh_x_strip[t]] -= (stripsize_ini - stripsize_end);
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[774] | 183 |
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| 184 | }
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| 185 |
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| 186 | mCurrentLod = lod + 1;
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| 187 | }
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| 188 |
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| 189 | }
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[1014] | 190 | // If LOD is less than actual.
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[774] | 191 | else
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| 192 | {
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[1014] | 193 | mCurrentRegLOD--;
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| 194 | mCurrentData--;
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[1541] | 195 |
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| 196 |
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[1014] | 197 | // Decrements LOD.
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[1541] | 198 | for ( lod = mCurrentLod;
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| 199 | (lod > newLOD)
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| 200 | ||
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| 201 | ((mCurrentRegLOD->obligatory == 1) && (lod > 0))
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| 202 | ||
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| 203 | ((mCurrentRegLOD[1].obligatory == 1) && (lod > 0));
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| 204 | lod--)
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[774] | 205 | {
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[1541] | 206 |
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[774] | 207 | total_changes = mPChanges[lod - 1];
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| 208 |
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| 209 | for (i = 0; i < total_changes; i++)
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| 210 | {
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| 211 | t = mCurrentRegLOD->strip;
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| 212 | strip = &(mStrips[t]);
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| 213 | start = mStrips[t].begin();
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[1526] | 214 | int stripsize_ini = strip->size();
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[774] | 215 |
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| 216 | // L2.
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| 217 | totalR = mCurrentRegLOD->edgeRepetition;
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| 218 |
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| 219 | for (j = 0; j < totalR; j++)
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| 220 | {
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| 221 | el1 = (*strip)[*(mCurrentData - 1)];
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| 222 | el2 = (*strip)[*(mCurrentData - 1) + 1];
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| 223 | r = *(mCurrentData);
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| 224 |
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| 225 | for (k = 0; k < r; k++)
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| 226 | {
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| 227 | (*strip).insert(start+*(mCurrentData - 1),el2);
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| 228 | (*strip).insert(start+*(mCurrentData - 1),el1);
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| 229 | }
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| 230 |
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[1014] | 231 | mCurrentData--;
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| 232 | mCurrentData--;
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[774] | 233 | }
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| 234 |
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| 235 | // Vertex Repetition.
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| 236 | totalR = mCurrentRegLOD->vertexRepetition;
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| 237 |
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| 238 | for (j = 0; j < totalR; j++)
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| 239 | {
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| 240 | el1 = (*strip)[*(mCurrentData-1)];
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| 241 | r = *(mCurrentData);
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| 242 |
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| 243 | for (k = 0; k < r; k++)
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| 244 | {
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| 245 | (*strip).insert(start+*(mCurrentData-1),el1);
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| 246 | }
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| 247 |
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[1014] | 248 | mCurrentData--;
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| 249 | mCurrentData--;
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[774] | 250 | }
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| 251 |
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| 252 | // POS.
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| 253 | totalR = mCurrentRegLOD->position;
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| 254 |
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| 255 | for (j = 0; j < totalR; j++)
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| 256 | {
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| 257 | (*strip)[*mCurrentData] = lod - 1;
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[1014] | 258 | mCurrentData--;
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[774] | 259 | }
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| 260 |
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[1530] | 261 | // lastLOD = mCurrentRegLOD;
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[1014] | 262 | mCurrentRegLOD--;
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[774] | 263 | mStripsChanges[t] = 1;
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[1526] | 264 |
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| 265 | int stripsize_end = strip->size();
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| 266 | indices_x_submesh[submesh_x_strip[t]] += (stripsize_end - stripsize_ini);
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[774] | 267 | }
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| 268 |
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[1541] | 269 | // Update LOD.
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[774] | 270 | mCurrentLod = lod - 1;
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[1541] | 271 |
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| 272 | // Debug.
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| 273 | cout << "Obligatory: "
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| 274 | << (int)mCurrentRegLOD->obligatory
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| 275 | << endl;
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[774] | 276 | }
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| 277 |
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[1014] | 278 | mCurrentData++;
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| 279 | mCurrentRegLOD++;
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[774] | 280 | }
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| 281 | }
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| 282 |
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[1552] | 283 | /* // debug!
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| 284 | FILE *f = fopen("lodstrips_lodinfo.txt","wt");
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| 285 | fprintf(f,"mCurrentLOD: %d",mCurrentLod);
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| 286 | fprintf(f,"mLods: %d",mLods);
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| 287 | for (int i=0; i<mTotalStrips; i++)
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| 288 | {
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| 289 | fprintf(f,"\nstrip: %d - ",i);
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| 290 | for (int j=0; j<mStrips[i].size(); j++)
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| 291 | {
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| 292 | int ind = mStrips[i][j];
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| 293 | fprintf(f,"%d ",ind);
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| 294 | }
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| 295 | }
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| 296 | fclose(f);*/
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| 297 |
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[1018] | 298 | UpdateDataRetrievalInterface();
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[1058] | 299 | // return return_value;
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[774] | 300 | }
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| 301 |
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[1009] | 302 | //-----------------------------------------------------------------------------
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| 303 | // Returns the number of vertices of the highest LOD.
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| 304 | //-----------------------------------------------------------------------------
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[774] | 305 | uint32 LodStripsLibrary::MaxVertices()
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| 306 | {
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[1007] | 307 | return mMaxVerticesLOD;
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[774] | 308 | }
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| 309 |
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[1009] | 310 | //-----------------------------------------------------------------------------
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| 311 | // Returns the number of vertices of the lowest LOD.
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| 312 | //-----------------------------------------------------------------------------
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[774] | 313 | uint32 LodStripsLibrary::MinVertices()
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| 314 | {
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| 315 | uint32 number_of_vertices;
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| 316 |
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[1014] | 317 | // Total vertices of minimum lod.
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[1007] | 318 | number_of_vertices = mMaxVerticesLOD - (mMinLod + 1);
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[774] | 319 |
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| 320 | return number_of_vertices;
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| 321 | }
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| 322 |
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[1009] | 323 | //-----------------------------------------------------------------------------
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| 324 | // Returns the number of triangles of the highest LOD.
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| 325 | //-----------------------------------------------------------------------------
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[774] | 326 | uint32 LodStripsLibrary::MaxFaces()
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| 327 | {
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[1058] | 328 | /* uint32 number_of_faces;
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[774] | 329 |
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| 330 | uint32 current_lod;
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| 331 |
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| 332 | current_lod = GoToLod(MaxLod());
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| 333 |
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| 334 | // Initialize number of faces count.
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| 335 | number_of_faces = 0;
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| 336 |
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| 337 | // For each strip.
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[985] | 338 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[774] | 339 | {
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[985] | 340 | number_of_faces += int(mStrips[strip].size() - 2);
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[774] | 341 | }
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| 342 |
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| 343 | GoToLod(current_lod);
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| 344 |
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[1058] | 345 | return number_of_faces;*/
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| 346 |
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| 347 | return maxFaces;
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[774] | 348 | }
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| 349 |
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[1009] | 350 | //-----------------------------------------------------------------------------
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| 351 | // Returns the number of triangles of the lowest LOD.
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| 352 | //-----------------------------------------------------------------------------
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[774] | 353 | uint32 LodStripsLibrary::MinFaces()
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| 354 | {
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[1058] | 355 | /* uint32 current_lod;
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[774] | 356 | uint32 number_of_faces;
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| 357 |
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| 358 | current_lod = GoToLod(MinLod());
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| 359 |
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| 360 | // Initialize number of faces count.
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| 361 | number_of_faces = 0;
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| 362 |
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| 363 | // For each strip.
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[985] | 364 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[774] | 365 | {
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[985] | 366 | number_of_faces += int(mStrips[strip].size() - 2);
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[774] | 367 | }
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| 368 |
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| 369 | GoToLod(current_lod);
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| 370 |
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[1058] | 371 | return number_of_faces;*/
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| 372 |
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| 373 | return minFaces;
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[774] | 374 | }
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| 375 |
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[1009] | 376 | //-----------------------------------------------------------------------------
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| 377 | // Establishes the new LOD range.
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| 378 | // Only the LODs in that range are stored and used.
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| 379 | //-----------------------------------------------------------------------------
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[774] | 380 | void LodStripsLibrary::TrimByLod(uint32 minLod, uint32 maxLod)
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| 381 | {
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[1007] | 382 | // Refresh number of vercies of the max lod.
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| 383 | mMaxVerticesLOD += mMaxLod - maxLod;
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| 384 |
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[774] | 385 | mMinLod = minLod;
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| 386 | mMaxLod = maxLod;
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| 387 | }
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[1018] | 388 | /*
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[1009] | 389 | //-----------------------------------------------------------------------------
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| 390 | // Get strip count.
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| 391 | //-----------------------------------------------------------------------------
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[829] | 392 | uint32 LodStripsLibrary::GetStripCount() const
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[774] | 393 | {
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| 394 | return (uint32) mTotalStrips;
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| 395 | }
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| 396 |
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[1009] | 397 | //-----------------------------------------------------------------------------
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| 398 | // Get Index by strip.
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| 399 | //-----------------------------------------------------------------------------
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[829] | 400 | uint32 LodStripsLibrary::GetIndexCountByStrip(uint32 istrip) const
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| 401 | {
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| 402 | return (uint32) mStrips[istrip].size();
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| 403 | }
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[1018] | 404 | */
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[774] | 405 | //-----------------------------------------------------------------------------
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| 406 | // Private.
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| 407 | //-----------------------------------------------------------------------------
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| 408 |
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[1009] | 409 | //-----------------------------------------------------------------------------
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| 410 | // Copy a STL vector to a C array.
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| 411 | //-----------------------------------------------------------------------------
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[1526] | 412 | void LodStripsLibrary::CopyVectors2Arrays(void)
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[774] | 413 | {
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| 414 | SmallInt max;
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| 415 | SmallInt t;
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| 416 | SmallInt *data_array;
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| 417 | SmallIntVector tira;
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| 418 | LODRegisterType *changes_array;
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| 419 | LODRegisterVector list_changes;
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| 420 |
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[985] | 421 | mTotalStrips = int(mFileStrips.size());
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[774] | 422 | mVertex = new SmallInt[mTotalVertices];
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| 423 | mStripsChanges = new SmallInt[mTotalChanges];
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| 424 | mStrips = new SmallIntVector[mTotalStrips];
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| 425 | data_array = new SmallInt[mData.size()];
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| 426 |
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| 427 | max = 0;
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| 428 | mTotalFaces = 0;
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[1018] | 429 |
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[1069] | 430 | // unsigned int * strip_sizes = new unsigned int[mFileStrips.size()];
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| 431 | unsigned int total_strip_size = 0;
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[1070] | 432 |
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| 433 | for (unsigned int i = 0; i < mFileStrips.size(); i++)
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[774] | 434 | {
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[1069] | 435 | total_strip_size += t = int(mFileStrips[i].size());
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[774] | 436 | if (t>max)
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| 437 | max = t;
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| 438 | mTotalFaces += t - 2;
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| 439 | }
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| 440 |
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| 441 | changes_array = new LODRegisterType[mFileChangesLOD.size()];
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| 442 |
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[1014] | 443 | // Fill up changes array.
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[1070] | 444 | for (unsigned int i = 0; i < mFileChangesLOD.size(); ++i)
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[774] | 445 | {
|
---|
| 446 | changes_array[i] = mFileChangesLOD[i];
|
---|
| 447 | }
|
---|
| 448 |
|
---|
| 449 | mCurrentRegLOD = changes_array;
|
---|
| 450 |
|
---|
[1014] | 451 | // Copy strips.
|
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[1325] | 452 | // unsigned int numDegenerated = 2*mTotalStrips - 2;
|
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[1526] | 453 | // dataRetrievalInterface=create_index_data_func(total_strip_size,indexdata_user_data); // temporal!
|
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[1070] | 454 |
|
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[1526] | 455 | // dataRetrievalInterface->Init(total_strip_size);
|
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| 456 | /* dataRetrievalInterface->numinds=total_strip_size;
|
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| 457 | dataRetrievalInterface->numvalidinds=total_strip_size;*/
|
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| 458 | // dataRetrievalInterface->Begin();
|
---|
| 459 |
|
---|
[1070] | 460 | unsigned int ii = 0;
|
---|
| 461 |
|
---|
| 462 | for (unsigned int i = 0; i < mFileStrips.size(); i++)
|
---|
[774] | 463 | {
|
---|
[1070] | 464 | for (unsigned int j = 0; j < mFileStrips[i].size(); j++,ii++)
|
---|
[774] | 465 | {
|
---|
| 466 | mStrips[i].push_back(mFileStrips[i][j]);
|
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[1526] | 467 | // dataRetrievalInterface->SetIndex(ii,mFileStrips[i][j]);
|
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[774] | 468 | }
|
---|
| 469 |
|
---|
[1014] | 470 | // Reset flags of strips changed.
|
---|
[774] | 471 | mStripsChanges[i] = 0;
|
---|
| 472 | }
|
---|
[1552] | 473 |
|
---|
[1526] | 474 | // dataRetrievalInterface->End();
|
---|
[774] | 475 |
|
---|
[1070] | 476 | for (unsigned int i = 0; i < mData.size(); i++)
|
---|
[774] | 477 | {
|
---|
| 478 | data_array[i] = mData[i];
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | mCurrentData = data_array;
|
---|
| 482 |
|
---|
[1014] | 483 | // Fill up mVertex.
|
---|
[1070] | 484 | for(unsigned int i = 0; i < mFileVertices.size(); i++)
|
---|
[774] | 485 | {
|
---|
| 486 | mVertex[i] = mFileVertices[i];
|
---|
| 487 | }
|
---|
[1018] | 488 |
|
---|
[1069] | 489 | // delete[] strip_sizes;
|
---|
[774] | 490 | }
|
---|
| 491 |
|
---|
| 492 | //-----------------------------------------------------------------------------
|
---|
[1009] | 493 | // LoadStripMesh
|
---|
[774] | 494 | //-----------------------------------------------------------------------------
|
---|
[1083] | 495 | void LodStripsLibrary::LoadStripMesh(const LodStripsLibraryData *lodstripsdata, Mesh *geomesh)
|
---|
[774] | 496 | {
|
---|
[1136] | 497 | //FILE *fp;
|
---|
[774] | 498 | SmallIntVector strip_aux;
|
---|
[1136] | 499 | //LODRegisterType lod_register;
|
---|
[774] | 500 | std::vector <LODRegisterType> list_pos;
|
---|
| 501 | std::vector <unsigned int> p_changes;
|
---|
[1136] | 502 | //int value;
|
---|
[1014] | 503 | int v = 0;
|
---|
| 504 | int t = -1;
|
---|
| 505 | int s = 0;
|
---|
| 506 | int next = 0;
|
---|
| 507 | int c = -1;
|
---|
[1136] | 508 | //char buff[80];
|
---|
[774] | 509 | Index *index;
|
---|
| 510 | Index *indexBegin;
|
---|
| 511 | Index *indexEnd;
|
---|
| 512 | SubMesh *geoSubMesh;
|
---|
| 513 |
|
---|
| 514 | // For each one of the submeshes.
|
---|
[1078] | 515 | indices_x_submesh = new int[geomesh->mSubMeshCount];
|
---|
[1083] | 516 | offsets_x_submesh = new int[geomesh->mSubMeshCount];
|
---|
[1526] | 517 |
|
---|
| 518 | int totaltiras = 0;
|
---|
| 519 | for (unsigned int submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
|
---|
| 520 | for (unsigned int strip = 0; strip < geomesh->mSubMesh[submesh].mStripCount; strip++)
|
---|
| 521 | totaltiras++;
|
---|
| 522 |
|
---|
| 523 | submesh_x_strip = new int[totaltiras];
|
---|
| 524 |
|
---|
| 525 | int istrip = 0;
|
---|
[985] | 526 | for (unsigned int submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
|
---|
[774] | 527 | {
|
---|
| 528 | geoSubMesh = &geomesh->mSubMesh[submesh];
|
---|
[1526] | 529 | indices_x_submesh[submesh] = 0;
|
---|
[774] | 530 |
|
---|
| 531 | // For each one of the strips.
|
---|
[1526] | 532 | for (unsigned int strip = 0; strip < geoSubMesh->mStripCount; strip++, istrip++)
|
---|
[774] | 533 | {
|
---|
| 534 | // Insert an empty strip.
|
---|
[1526] | 535 | submesh_x_strip[istrip] = submesh;
|
---|
[774] | 536 | t++;
|
---|
| 537 | strip_aux.clear();
|
---|
| 538 | mFileStrips.push_back(strip_aux);
|
---|
| 539 |
|
---|
| 540 | // First index of the strip.
|
---|
| 541 | indexBegin = geoSubMesh->mStrip[strip];
|
---|
| 542 |
|
---|
[1552] | 543 | // If the strips is not the first. (DEG!)
|
---|
| 544 | if (strip != 0)
|
---|
[774] | 545 | indexBegin++;
|
---|
| 546 |
|
---|
| 547 | // If is the final strip
|
---|
| 548 | if (strip == (geoSubMesh->mStripCount - 1))
|
---|
| 549 | {
|
---|
| 550 | // The end of the index array.
|
---|
| 551 | indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
|
---|
| 552 | }
|
---|
| 553 | else
|
---|
| 554 | {
|
---|
| 555 | // The beginning of the next strip.
|
---|
| 556 | indexEnd = geoSubMesh->mStrip[strip + 1];
|
---|
| 557 |
|
---|
[1552] | 558 | // Remove degenerated (DEG!)
|
---|
| 559 | indexEnd--;
|
---|
[774] | 560 | }
|
---|
| 561 |
|
---|
| 562 | int i;
|
---|
| 563 | i = 0;
|
---|
[1526] | 564 |
|
---|
[1083] | 565 | if (submesh==0)
|
---|
| 566 | offsets_x_submesh[submesh] = 0;
|
---|
| 567 | else
|
---|
| 568 | offsets_x_submesh[submesh] = indices_x_submesh[submesh-1];
|
---|
| 569 |
|
---|
[774] | 570 | // For each index of the strip.
|
---|
| 571 | for (index = indexBegin; index < indexEnd; index++)
|
---|
| 572 | {
|
---|
| 573 | mFileStrips[t].push_back(indexBegin[i]);
|
---|
[1078] | 574 | indices_x_submesh[submesh]++;
|
---|
[774] | 575 | i++;
|
---|
[1083] | 576 | }
|
---|
[774] | 577 | }
|
---|
| 578 | }
|
---|
| 579 |
|
---|
[1070] | 580 | // TODO: LOD file loaded in load file mesh process.
|
---|
[774] | 581 | // Open the LOD file.
|
---|
[1078] | 582 | /* if ((fp = fopen (name, "r")) == NULL)
|
---|
[774] | 583 | {
|
---|
| 584 | // Error in open.
|
---|
| 585 | }
|
---|
| 586 | else
|
---|
| 587 | {
|
---|
| 588 | mTotalChanges = 0;
|
---|
| 589 |
|
---|
| 590 | while (!feof (fp))
|
---|
| 591 | {
|
---|
| 592 | fgets (buff, 80, fp);
|
---|
| 593 |
|
---|
| 594 | if (*buff == 'v')
|
---|
| 595 | {
|
---|
| 596 | sscanf (buff+2,"%d",&value);
|
---|
| 597 |
|
---|
| 598 | mFileVertices.push_back(value);
|
---|
| 599 | v++;
|
---|
| 600 | }
|
---|
| 601 | else if ( (*buff == 'c') || (*buff == 'd'))
|
---|
| 602 | {
|
---|
| 603 | if (*buff == 'c')
|
---|
| 604 | {
|
---|
| 605 | c++;
|
---|
| 606 | }
|
---|
| 607 | else
|
---|
| 608 | {
|
---|
| 609 | unsigned int a;
|
---|
| 610 | unsigned int b;
|
---|
| 611 | unsigned int c;
|
---|
| 612 | unsigned int d;
|
---|
| 613 |
|
---|
| 614 | sscanf (buff+2,"%u %u %u %u\n",&a,&b,&c,&d);
|
---|
| 615 | lod_register.strip = a;
|
---|
| 616 | lod_register.position = b;
|
---|
| 617 | lod_register.vertexRepetition = c;
|
---|
| 618 | lod_register.edgeRepetition = d;
|
---|
| 619 |
|
---|
| 620 | mFileChangesLOD.push_back(lod_register);
|
---|
| 621 | }
|
---|
| 622 | }
|
---|
| 623 | else if (*buff=='b')
|
---|
| 624 | {
|
---|
| 625 | sscanf(buff+2,"%u",&value);
|
---|
| 626 | mData.push_back(value);
|
---|
| 627 | }
|
---|
| 628 | else if (*buff=='p')
|
---|
| 629 | {
|
---|
| 630 | sscanf (buff+2,"%u",&value);
|
---|
| 631 | p_changes.push_back(value);
|
---|
[1014] | 632 | }
|
---|
| 633 | }
|
---|
[774] | 634 |
|
---|
[1078] | 635 | fclose(fp);*/
|
---|
| 636 |
|
---|
[1083] | 637 | mFileVertices = lodstripsdata->mFileVertices;
|
---|
| 638 | mFileChangesLOD = lodstripsdata->mFileChangesLOD;
|
---|
| 639 | mData = lodstripsdata->mData;
|
---|
| 640 | p_changes = lodstripsdata->p_changes;
|
---|
[774] | 641 |
|
---|
[1090] | 642 | mStripsSubmesh = new int [geomesh->mSubMeshCount];
|
---|
[1136] | 643 | for (size_t submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
|
---|
[1090] | 644 | {
|
---|
| 645 | mStripsSubmesh[submesh]=0;
|
---|
| 646 | }
|
---|
[774] | 647 |
|
---|
[1090] | 648 |
|
---|
| 649 | // Max / Min values for LOD.
|
---|
| 650 | mLods = int(p_changes.size());
|
---|
| 651 | mMaxLod = 0;
|
---|
| 652 | mMinLod = mLods;
|
---|
[774] | 653 |
|
---|
[1090] | 654 | mPChanges = new SmallInt[mLods];
|
---|
| 655 |
|
---|
| 656 | for (unsigned int i = 0; i < mLods; i++)
|
---|
| 657 | mPChanges[i] = p_changes[i];
|
---|
| 658 |
|
---|
| 659 | mTotalVertices = int(mFileVertices.size());
|
---|
| 660 | mMaxVerticesLOD = mTotalVertices;
|
---|
| 661 | mTotalStrips = int(mFileStrips.size());
|
---|
| 662 | mTotalChanges = int(mFileChangesLOD.size());
|
---|
| 663 |
|
---|
| 664 | //Copy the data to the structure we will use
|
---|
| 665 | CopyVectors2Arrays();
|
---|
[774] | 666 | }
|
---|
| 667 |
|
---|
[1018] | 668 | void LodStripsLibrary::UpdateDataRetrievalInterface(void)
|
---|
| 669 | {
|
---|
[1325] | 670 | int target_submesh = 0;
|
---|
| 671 | size_t strip_count = 0;
|
---|
[1552] | 672 | unsigned int ii_submesh = 0;
|
---|
| 673 | current_triangle_count = 0;
|
---|
[1078] | 674 |
|
---|
[1552] | 675 | // indices_x_submesh is calculated without degenerates,
|
---|
| 676 | // we must add the degenerate indices added here
|
---|
| 677 | uint32 numdeg = mGeoMesh->mSubMesh[target_submesh].mStripCount*2 - 2;
|
---|
[1325] | 678 |
|
---|
[1552] | 679 | dataRetrievalInterface->Begin(target_submesh, indices_x_submesh[target_submesh] + numdeg);
|
---|
| 680 | current_triangle_count += indices_x_submesh[target_submesh] + numdeg;
|
---|
[1526] | 681 |
|
---|
[1552] | 682 | for (unsigned int i = 0; i < mTotalStrips; i++, strip_count++)
|
---|
[1018] | 683 | {
|
---|
[1078] | 684 | if (strip_count >= mGeoMesh->mSubMesh[target_submesh].mStripCount)
|
---|
| 685 | {
|
---|
[1083] | 686 | if (target_submesh==0)
|
---|
| 687 | offsets_x_submesh[target_submesh] = 0;
|
---|
| 688 | else
|
---|
| 689 | offsets_x_submesh[target_submesh] = indices_x_submesh[target_submesh-1] + offsets_x_submesh[target_submesh-1];
|
---|
| 690 |
|
---|
[1136] | 691 | mStripsSubmesh[target_submesh] = (int)strip_count;
|
---|
[1325] | 692 | strip_count = 0;
|
---|
[1136] | 693 |
|
---|
[1078] | 694 | target_submesh++;
|
---|
[1526] | 695 | ii_submesh = 0;
|
---|
| 696 | dataRetrievalInterface->End();
|
---|
[1552] | 697 |
|
---|
| 698 | numdeg = mGeoMesh->mSubMesh[target_submesh].mStripCount*2 - 2;
|
---|
| 699 | dataRetrievalInterface->Begin(target_submesh, indices_x_submesh[target_submesh] + numdeg);
|
---|
| 700 | current_triangle_count += indices_x_submesh[target_submesh] + numdeg;
|
---|
[1078] | 701 | }
|
---|
[1087] | 702 |
|
---|
| 703 | int lastindex = -1;
|
---|
[1552] | 704 | for (SmallIntVector::iterator it=mStrips[i].begin(); it!=mStrips[i].end(); it++, ii_submesh++)
|
---|
[1078] | 705 | {
|
---|
[1552] | 706 | // repeat the first index of the strip: degenerate (DEG!)
|
---|
| 707 | // except for the first strip in a mesh
|
---|
| 708 | if (lastindex==-1 && strip_count>0)
|
---|
[1087] | 709 | {
|
---|
| 710 | lastindex=*it;
|
---|
[1552] | 711 | dataRetrievalInterface->SetIndex(ii_submesh,*it);
|
---|
| 712 | ii_submesh++;
|
---|
| 713 | }
|
---|
[1087] | 714 | lastindex=*it;
|
---|
[1526] | 715 | dataRetrievalInterface->SetIndex(ii_submesh,*it);
|
---|
[1078] | 716 | }
|
---|
[1087] | 717 |
|
---|
[1552] | 718 | // repeat last vertex of the strip: degenerate (DEG!)
|
---|
| 719 | // except for the last strip in a mesh
|
---|
| 720 | if (strip_count<mGeoMesh->mSubMesh[target_submesh].mStripCount-1)
|
---|
| 721 | {
|
---|
| 722 | dataRetrievalInterface->SetIndex(ii_submesh,lastindex);
|
---|
| 723 | ii_submesh++;
|
---|
| 724 | }
|
---|
[1018] | 725 | }
|
---|
[1078] | 726 |
|
---|
| 727 | if (strip_count >= mGeoMesh->mSubMesh[target_submesh].mStripCount)
|
---|
| 728 | {
|
---|
[1083] | 729 | if (target_submesh==0)
|
---|
| 730 | offsets_x_submesh[target_submesh] = 0;
|
---|
| 731 | else
|
---|
| 732 | offsets_x_submesh[target_submesh] = indices_x_submesh[target_submesh-1] + offsets_x_submesh[target_submesh-1];
|
---|
| 733 |
|
---|
[1136] | 734 | mStripsSubmesh[target_submesh] = (int)strip_count;
|
---|
[1078] | 735 | strip_count = 0;
|
---|
| 736 | target_submesh++;
|
---|
| 737 | }
|
---|
| 738 |
|
---|
[1018] | 739 | dataRetrievalInterface->End();
|
---|
[1070] | 740 | }
|
---|