[2085] | 1 | /*========================================================================
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[774] | 2 | * (C) 2005 Universitat Jaume I
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[2085] | 3 | *========================================================================
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[774] | 4 | * PROYECT: GAME TOOLS
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[2085] | 5 | *========================================================================
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[1009] | 6 | * CONTENT:
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| 7 | *
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| 8 | *
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| 9 | * @file GeoLodStripsLibrary.cpp
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[2085] | 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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[2085] | 17 | //-------------------------------------------------------------------------
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[1526] | 18 | // Constructor.
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[2085] | 19 | //-------------------------------------------------------------------------
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| 20 | LodStripsLibrary::LodStripsLibrary(
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| 21 | const LodStripsLibraryData *lodstripsdata,
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| 22 | Mesh *geomesh,
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| 23 | IndexData *userindexdata)
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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 | // Sets the global mesh.
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| 29 | mGeoMesh = geomesh;
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[1018] | 30 |
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[1560] | 31 | delete_indexdata = false;
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| 32 | dataRetrievalInterface = userindexdata;
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| 33 | indices_x_submesh = NULL;
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| 34 | offsets_x_submesh = NULL;
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| 35 | mStripsSubmesh = NULL;
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| 36 | submesh_x_strip = NULL;
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| 37 | lodFactor = 1.0f;
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| 38 | current_triangle_count = 0;
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[1526] | 39 |
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[774] | 40 | // Loads the Level Of Detail file.
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[1078] | 41 | LodStripsLibrary::LoadStripMesh(lodstripsdata,mGeoMesh);
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[1058] | 42 |
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[1560] | 43 | GoToLod(0.0f);
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| 44 |
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| 45 | minFaces = 0;
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| 46 |
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[1058] | 47 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[1560] | 48 | {
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| 49 | minFaces += int(mStrips[strip].size() - 2);
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| 50 | }
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[1058] | 51 |
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| 52 | GoToLod(1.0f);
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[1560] | 53 |
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| 54 | maxFaces = 0;
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| 55 |
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[1058] | 56 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[1560] | 57 | {
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| 58 | maxFaces += int(mStrips[strip].size() - 2);
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| 59 | }
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[774] | 60 | }
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| 61 |
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[2085] | 62 | //-------------------------------------------------------------------------
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[1526] | 63 | // Destructor
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[2085] | 64 | //-------------------------------------------------------------------------
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[774] | 65 | LodStripsLibrary::~LodStripsLibrary()
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| 66 | {
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[1014] | 67 | delete [] mStrips;
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[1526] | 68 | if (delete_indexdata)
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[1018] | 69 | delete dataRetrievalInterface;
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[1078] | 70 | if (indices_x_submesh)
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| 71 | delete[] indices_x_submesh;
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[1083] | 72 | if (offsets_x_submesh)
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| 73 | delete[] offsets_x_submesh;
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[1090] | 74 | if (mStripsSubmesh)
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| 75 | delete[] mStripsSubmesh;
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[1526] | 76 | if (submesh_x_strip)
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| 77 | delete[] submesh_x_strip;
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[774] | 78 | }
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| 79 |
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[2085] | 80 | //-------------------------------------------------------------------------
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[774] | 81 | // Public.
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[2085] | 82 | //-------------------------------------------------------------------------
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[774] | 83 |
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[2085] | 84 | //-------------------------------------------------------------------------
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[1009] | 85 | // Go to the level of detail.
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[2085] | 86 | //-------------------------------------------------------------------------
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[1058] | 87 | void LodStripsLibrary::GoToLod(float lodfactor)
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[774] | 88 | {
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[1541] | 89 | register int j;
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| 90 | register int offset;
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[1526] | 91 | long int i;
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| 92 | long int k;
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| 93 | long int b_change_ok = 1;
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[1541] | 94 | unsigned long int lod;
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[1526] | 95 | long int t;
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| 96 | long int r;
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| 97 | long int next;
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| 98 | long int el1;
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| 99 | long int el2;
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| 100 | long int total_changes;
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| 101 | long int totalR;
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[1541] | 102 | SmallIntVector *strip;
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[774] | 103 | SmallIntVector::iterator start;
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| 104 |
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[1526] | 105 | if (lodfactor<0.0f) lodfactor=0.0f;
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| 106 | if (lodfactor>1.0f) lodfactor=1.0f;
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| 107 |
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[1070] | 108 | uint32 newLOD = (uint32)((1.0f - lodfactor) * mLods);
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[1526] | 109 |
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| 110 | lodFactor=lodfactor;
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[1058] | 111 |
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[774] | 112 | if (newLOD != mCurrentLod)
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| 113 | {
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| 114 | if (newLOD > mCurrentLod)
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| 115 | {
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[1014] | 116 | // Forwards.
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[1530] | 117 | // Increments LOD (decreases level of detail)
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[1541] | 118 | for ( lod = mCurrentLod;
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| 119 | (lod < newLOD)
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| 120 | ||
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| 121 | ((mCurrentRegLOD->obligatory == 1) && (lod < (mLods - 1)));
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| 122 | lod++)
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[774] | 123 | {
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[1541] | 124 | next = mVertex[lod];
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[774] | 125 | total_changes = mPChanges[lod];
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| 126 |
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| 127 | for (i = 0; i < total_changes; i++)
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| 128 | {
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[1014] | 129 | // Strip change.
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[1541] | 130 | t = mCurrentRegLOD->strip;
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[774] | 131 | strip = &(mStrips[t]);
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[1541] | 132 | start = strip->begin();
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| 133 |
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[1526] | 134 | int stripsize_ini = strip->size();
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[774] | 135 |
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| 136 | // Position.
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| 137 | totalR = mCurrentRegLOD->position;
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| 138 |
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| 139 | for (j = totalR - 1; j >= 0; j--)
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| 140 | {
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[1526] | 141 | start[*mCurrentData] = next;
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[774] | 142 | ++mCurrentData;
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| 143 | }
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| 144 |
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| 145 | // L1.
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| 146 | totalR = mCurrentRegLOD->vertexRepetition;
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| 147 |
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| 148 | for (j = totalR - 1; j >= 0; j--)
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| 149 | {
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| 150 | offset = *mCurrentData + 1;
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| 151 |
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| 152 | strip->erase( start + offset,
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| 153 | start
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| 154 | +
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| 155 | offset
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| 156 | +
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| 157 | (*(mCurrentData + 1)));
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| 158 |
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| 159 | ++mCurrentData;
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| 160 | ++mCurrentData;
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| 161 | }
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| 162 |
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| 163 | // L2
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| 164 | totalR = mCurrentRegLOD->edgeRepetition;
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| 165 |
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| 166 | for (j = totalR - 1; j >= 0; j--)
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| 167 | {
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| 168 | offset = *mCurrentData + 2;
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| 169 | strip->erase( start + offset,
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| 170 | start
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| 171 | +
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| 172 | offset
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| 173 | +
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| 174 | 2*(*(mCurrentData + 1)));
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| 175 |
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[1014] | 176 | mCurrentData++;
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| 177 | mCurrentData++;
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[774] | 178 | }
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| 179 |
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[1530] | 180 | // lastLOD = mCurrentRegLOD;
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[1014] | 181 | mCurrentRegLOD++;
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[774] | 182 |
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| 183 | mStripsChanges[t] = 1;
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[1526] | 184 |
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| 185 | int stripsize_end = strip->size();
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| 186 | indices_x_submesh[submesh_x_strip[t]] -= (stripsize_ini - stripsize_end);
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[774] | 187 |
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| 188 | }
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| 189 |
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| 190 | mCurrentLod = lod + 1;
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| 191 | }
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| 192 |
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| 193 | }
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[1014] | 194 | // If LOD is less than actual.
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[774] | 195 | else
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| 196 | {
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[1014] | 197 | mCurrentRegLOD--;
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| 198 | mCurrentData--;
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[1541] | 199 |
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| 200 |
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[1014] | 201 | // Decrements LOD.
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[1541] | 202 | for ( lod = mCurrentLod;
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| 203 | (lod > newLOD)
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| 204 | ||
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| 205 | ((mCurrentRegLOD->obligatory == 1) && (lod > 0))
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| 206 | ||
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| 207 | ((mCurrentRegLOD[1].obligatory == 1) && (lod > 0));
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| 208 | lod--)
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[774] | 209 | {
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[1541] | 210 |
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[774] | 211 | total_changes = mPChanges[lod - 1];
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| 212 |
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| 213 | for (i = 0; i < total_changes; i++)
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| 214 | {
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| 215 | t = mCurrentRegLOD->strip;
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| 216 | strip = &(mStrips[t]);
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| 217 | start = mStrips[t].begin();
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[1526] | 218 | int stripsize_ini = strip->size();
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[774] | 219 |
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| 220 | // L2.
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| 221 | totalR = mCurrentRegLOD->edgeRepetition;
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| 222 |
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| 223 | for (j = 0; j < totalR; j++)
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| 224 | {
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| 225 | el1 = (*strip)[*(mCurrentData - 1)];
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| 226 | el2 = (*strip)[*(mCurrentData - 1) + 1];
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| 227 | r = *(mCurrentData);
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| 228 |
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| 229 | for (k = 0; k < r; k++)
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| 230 | {
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| 231 | (*strip).insert(start+*(mCurrentData - 1),el2);
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| 232 | (*strip).insert(start+*(mCurrentData - 1),el1);
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| 233 | }
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| 234 |
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[1014] | 235 | mCurrentData--;
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| 236 | mCurrentData--;
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[774] | 237 | }
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| 238 |
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| 239 | // Vertex Repetition.
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| 240 | totalR = mCurrentRegLOD->vertexRepetition;
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| 241 |
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| 242 | for (j = 0; j < totalR; j++)
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| 243 | {
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| 244 | el1 = (*strip)[*(mCurrentData-1)];
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| 245 | r = *(mCurrentData);
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| 246 |
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| 247 | for (k = 0; k < r; k++)
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| 248 | {
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| 249 | (*strip).insert(start+*(mCurrentData-1),el1);
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| 250 | }
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| 251 |
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[1014] | 252 | mCurrentData--;
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| 253 | mCurrentData--;
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[774] | 254 | }
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| 255 |
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| 256 | // POS.
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| 257 | totalR = mCurrentRegLOD->position;
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| 258 |
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| 259 | for (j = 0; j < totalR; j++)
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| 260 | {
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| 261 | (*strip)[*mCurrentData] = lod - 1;
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[1014] | 262 | mCurrentData--;
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[774] | 263 | }
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| 264 |
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[1530] | 265 | // lastLOD = mCurrentRegLOD;
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[1014] | 266 | mCurrentRegLOD--;
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[774] | 267 | mStripsChanges[t] = 1;
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[1526] | 268 |
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| 269 | int stripsize_end = strip->size();
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| 270 | indices_x_submesh[submesh_x_strip[t]] += (stripsize_end - stripsize_ini);
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[774] | 271 | }
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| 272 |
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[1541] | 273 | // Update LOD.
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[774] | 274 | mCurrentLod = lod - 1;
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[1541] | 275 |
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| 276 | // Debug.
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| 277 | cout << "Obligatory: "
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| 278 | << (int)mCurrentRegLOD->obligatory
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| 279 | << endl;
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[774] | 280 | }
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| 281 |
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[1014] | 282 | mCurrentData++;
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| 283 | mCurrentRegLOD++;
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[774] | 284 | }
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| 285 | }
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| 286 |
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[1552] | 287 | /* // debug!
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| 288 | FILE *f = fopen("lodstrips_lodinfo.txt","wt");
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| 289 | fprintf(f,"mCurrentLOD: %d",mCurrentLod);
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| 290 | fprintf(f,"mLods: %d",mLods);
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| 291 | for (int i=0; i<mTotalStrips; i++)
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| 292 | {
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| 293 | fprintf(f,"\nstrip: %d - ",i);
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| 294 | for (int j=0; j<mStrips[i].size(); j++)
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| 295 | {
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| 296 | int ind = mStrips[i][j];
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| 297 | fprintf(f,"%d ",ind);
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| 298 | }
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| 299 | }
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| 300 | fclose(f);*/
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| 301 |
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[1018] | 302 | UpdateDataRetrievalInterface();
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[1058] | 303 | // return return_value;
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[774] | 304 | }
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| 305 |
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[2085] | 306 | //-------------------------------------------------------------------------
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[1009] | 307 | // Returns the number of vertices of the highest LOD.
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[2085] | 308 | //-------------------------------------------------------------------------
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[2204] | 309 | /*uint32 LodStripsLibrary::MaxVertices()
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[774] | 310 | {
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[1007] | 311 | return mMaxVerticesLOD;
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[774] | 312 | }
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| 313 |
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[2085] | 314 | //-------------------------------------------------------------------------
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[1009] | 315 | // Returns the number of vertices of the lowest LOD.
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[2085] | 316 | //-------------------------------------------------------------------------
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[774] | 317 | uint32 LodStripsLibrary::MinVertices()
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| 318 | {
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| 319 | uint32 number_of_vertices;
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| 320 |
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[1014] | 321 | // Total vertices of minimum lod.
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[1007] | 322 | number_of_vertices = mMaxVerticesLOD - (mMinLod + 1);
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[774] | 323 |
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| 324 | return number_of_vertices;
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| 325 | }
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[2204] | 326 | */
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[2085] | 327 | //-------------------------------------------------------------------------
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[1009] | 328 | // Returns the number of triangles of the highest LOD.
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[2085] | 329 | //-------------------------------------------------------------------------
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[2150] | 330 | uint32 LodStripsLibrary::MaxFaces() const
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[774] | 331 | {
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[1058] | 332 | /* uint32 number_of_faces;
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[774] | 333 |
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| 334 | uint32 current_lod;
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| 335 |
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| 336 | current_lod = GoToLod(MaxLod());
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| 337 |
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| 338 | // Initialize number of faces count.
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| 339 | number_of_faces = 0;
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| 340 |
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| 341 | // For each strip.
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[985] | 342 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[774] | 343 | {
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[985] | 344 | number_of_faces += int(mStrips[strip].size() - 2);
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[774] | 345 | }
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| 346 |
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| 347 | GoToLod(current_lod);
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| 348 |
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[1058] | 349 | return number_of_faces;*/
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| 350 |
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| 351 | return maxFaces;
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[774] | 352 | }
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| 353 |
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[2085] | 354 | //-------------------------------------------------------------------------
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[1009] | 355 | // Returns the number of triangles of the lowest LOD.
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[2085] | 356 | //-------------------------------------------------------------------------
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[2150] | 357 | uint32 LodStripsLibrary::MinFaces() const
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[774] | 358 | {
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[1058] | 359 | /* uint32 current_lod;
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[774] | 360 | uint32 number_of_faces;
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| 361 |
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| 362 | current_lod = GoToLod(MinLod());
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| 363 |
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| 364 | // Initialize number of faces count.
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| 365 | number_of_faces = 0;
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| 366 |
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| 367 | // For each strip.
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[985] | 368 | for (unsigned int strip = 0; strip < mTotalStrips; strip++)
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[774] | 369 | {
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[985] | 370 | number_of_faces += int(mStrips[strip].size() - 2);
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[774] | 371 | }
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| 372 |
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| 373 | GoToLod(current_lod);
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| 374 |
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[1058] | 375 | return number_of_faces;*/
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| 376 |
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| 377 | return minFaces;
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[774] | 378 | }
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| 379 |
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[2085] | 380 | //-------------------------------------------------------------------------
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[1009] | 381 | // Establishes the new LOD range.
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| 382 | // Only the LODs in that range are stored and used.
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[2085] | 383 | //-------------------------------------------------------------------------
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[2204] | 384 | /*void LodStripsLibrary::TrimByLod(uint32 minLod, uint32 maxLod)
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[774] | 385 | {
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[1007] | 386 | // Refresh number of vercies of the max lod.
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| 387 | mMaxVerticesLOD += mMaxLod - maxLod;
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| 388 |
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[774] | 389 | mMinLod = minLod;
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| 390 | mMaxLod = maxLod;
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| 391 | }
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[1018] | 392 | /*
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[2085] | 393 | //-------------------------------------------------------------------------
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[1009] | 394 | // Get strip count.
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[2085] | 395 | //-------------------------------------------------------------------------
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[829] | 396 | uint32 LodStripsLibrary::GetStripCount() const
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[774] | 397 | {
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| 398 | return (uint32) mTotalStrips;
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| 399 | }
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| 400 |
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[2085] | 401 | //-------------------------------------------------------------------------
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[1009] | 402 | // Get Index by strip.
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[2085] | 403 | //-------------------------------------------------------------------------
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[829] | 404 | uint32 LodStripsLibrary::GetIndexCountByStrip(uint32 istrip) const
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| 405 | {
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| 406 | return (uint32) mStrips[istrip].size();
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| 407 | }
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[1018] | 408 | */
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[2085] | 409 | //-------------------------------------------------------------------------
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[774] | 410 | // Private.
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[2085] | 411 | //-------------------------------------------------------------------------
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[774] | 412 |
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[2085] | 413 | //-------------------------------------------------------------------------
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[1009] | 414 | // Copy a STL vector to a C array.
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[2085] | 415 | //-------------------------------------------------------------------------
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[1526] | 416 | void LodStripsLibrary::CopyVectors2Arrays(void)
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[774] | 417 | {
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| 418 | SmallInt max;
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| 419 | SmallInt t;
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| 420 | SmallInt *data_array;
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| 421 | SmallIntVector tira;
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| 422 | LODRegisterType *changes_array;
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| 423 | LODRegisterVector list_changes;
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| 424 |
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[985] | 425 | mTotalStrips = int(mFileStrips.size());
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[774] | 426 | mVertex = new SmallInt[mTotalVertices];
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| 427 | mStripsChanges = new SmallInt[mTotalChanges];
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| 428 | mStrips = new SmallIntVector[mTotalStrips];
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| 429 | data_array = new SmallInt[mData.size()];
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| 430 |
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| 431 | max = 0;
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| 432 | mTotalFaces = 0;
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[1018] | 433 |
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[1069] | 434 | // unsigned int * strip_sizes = new unsigned int[mFileStrips.size()];
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| 435 | unsigned int total_strip_size = 0;
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[1070] | 436 |
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| 437 | for (unsigned int i = 0; i < mFileStrips.size(); i++)
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[774] | 438 | {
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[1069] | 439 | total_strip_size += t = int(mFileStrips[i].size());
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[774] | 440 | if (t>max)
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| 441 | max = t;
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| 442 | mTotalFaces += t - 2;
|
---|
| 443 | }
|
---|
| 444 |
|
---|
| 445 | changes_array = new LODRegisterType[mFileChangesLOD.size()];
|
---|
| 446 |
|
---|
[1014] | 447 | // Fill up changes array.
|
---|
[1070] | 448 | for (unsigned int i = 0; i < mFileChangesLOD.size(); ++i)
|
---|
[774] | 449 | {
|
---|
| 450 | changes_array[i] = mFileChangesLOD[i];
|
---|
| 451 | }
|
---|
| 452 |
|
---|
| 453 | mCurrentRegLOD = changes_array;
|
---|
| 454 |
|
---|
[2085] | 455 | // Copy strips.
|
---|
[1325] | 456 | // unsigned int numDegenerated = 2*mTotalStrips - 2;
|
---|
[1526] | 457 | // dataRetrievalInterface=create_index_data_func(total_strip_size,indexdata_user_data); // temporal!
|
---|
[1070] | 458 |
|
---|
[1526] | 459 | // dataRetrievalInterface->Init(total_strip_size);
|
---|
| 460 | /* dataRetrievalInterface->numinds=total_strip_size;
|
---|
| 461 | dataRetrievalInterface->numvalidinds=total_strip_size;*/
|
---|
| 462 | // dataRetrievalInterface->Begin();
|
---|
| 463 |
|
---|
[1070] | 464 | unsigned int ii = 0;
|
---|
| 465 |
|
---|
| 466 | for (unsigned int i = 0; i < mFileStrips.size(); i++)
|
---|
[774] | 467 | {
|
---|
[1070] | 468 | for (unsigned int j = 0; j < mFileStrips[i].size(); j++,ii++)
|
---|
[774] | 469 | {
|
---|
| 470 | mStrips[i].push_back(mFileStrips[i][j]);
|
---|
[1526] | 471 | // dataRetrievalInterface->SetIndex(ii,mFileStrips[i][j]);
|
---|
[774] | 472 | }
|
---|
| 473 |
|
---|
[1014] | 474 | // Reset flags of strips changed.
|
---|
[774] | 475 | mStripsChanges[i] = 0;
|
---|
| 476 | }
|
---|
[1552] | 477 |
|
---|
[1526] | 478 | // dataRetrievalInterface->End();
|
---|
[774] | 479 |
|
---|
[1070] | 480 | for (unsigned int i = 0; i < mData.size(); i++)
|
---|
[774] | 481 | {
|
---|
| 482 | data_array[i] = mData[i];
|
---|
| 483 | }
|
---|
| 484 |
|
---|
| 485 | mCurrentData = data_array;
|
---|
| 486 |
|
---|
[1014] | 487 | // Fill up mVertex.
|
---|
[1070] | 488 | for(unsigned int i = 0; i < mFileVertices.size(); i++)
|
---|
[774] | 489 | {
|
---|
| 490 | mVertex[i] = mFileVertices[i];
|
---|
| 491 | }
|
---|
[1018] | 492 |
|
---|
[1069] | 493 | // delete[] strip_sizes;
|
---|
[774] | 494 | }
|
---|
| 495 |
|
---|
[2085] | 496 | //-------------------------------------------------------------------------
|
---|
[1009] | 497 | // LoadStripMesh
|
---|
[2085] | 498 | //-------------------------------------------------------------------------
|
---|
| 499 | void LodStripsLibrary::LoadStripMesh(
|
---|
| 500 | const LodStripsLibraryData *lodstripsdata,
|
---|
| 501 | Mesh *geomesh)
|
---|
[774] | 502 | {
|
---|
| 503 | SmallIntVector strip_aux;
|
---|
| 504 | std::vector <LODRegisterType> list_pos;
|
---|
| 505 | std::vector <unsigned int> p_changes;
|
---|
[1014] | 506 | int v = 0;
|
---|
| 507 | int t = -1;
|
---|
| 508 | int s = 0;
|
---|
| 509 | int next = 0;
|
---|
| 510 | int c = -1;
|
---|
[774] | 511 | Index *index;
|
---|
| 512 | Index *indexBegin;
|
---|
| 513 | Index *indexEnd;
|
---|
| 514 | SubMesh *geoSubMesh;
|
---|
| 515 |
|
---|
| 516 | // For each one of the submeshes.
|
---|
[1078] | 517 | indices_x_submesh = new int[geomesh->mSubMeshCount];
|
---|
[1083] | 518 | offsets_x_submesh = new int[geomesh->mSubMeshCount];
|
---|
[1526] | 519 |
|
---|
| 520 | int totaltiras = 0;
|
---|
[2085] | 521 |
|
---|
| 522 | for ( unsigned int submesh = 0;
|
---|
| 523 | submesh < geomesh->mSubMeshCount;
|
---|
| 524 | submesh++)
|
---|
| 525 | {
|
---|
| 526 | for ( unsigned int strip = 0;
|
---|
| 527 | strip < geomesh->mSubMesh[submesh].mStripCount;
|
---|
| 528 | strip++)
|
---|
| 529 | {
|
---|
[1526] | 530 | totaltiras++;
|
---|
[2085] | 531 | }
|
---|
| 532 | }
|
---|
[1526] | 533 |
|
---|
| 534 | submesh_x_strip = new int[totaltiras];
|
---|
| 535 |
|
---|
| 536 | int istrip = 0;
|
---|
[2085] | 537 |
|
---|
| 538 | for ( size_t submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
|
---|
[774] | 539 | {
|
---|
| 540 | geoSubMesh = &geomesh->mSubMesh[submesh];
|
---|
[1526] | 541 | indices_x_submesh[submesh] = 0;
|
---|
[774] | 542 |
|
---|
| 543 | // For each one of the strips.
|
---|
[2085] | 544 | for ( unsigned int strip = 0;
|
---|
| 545 | strip < geoSubMesh->mStripCount;
|
---|
| 546 | strip++, istrip++)
|
---|
[774] | 547 | {
|
---|
| 548 | // Insert an empty strip.
|
---|
[1526] | 549 | submesh_x_strip[istrip] = submesh;
|
---|
[774] | 550 | t++;
|
---|
| 551 | strip_aux.clear();
|
---|
| 552 | mFileStrips.push_back(strip_aux);
|
---|
| 553 |
|
---|
| 554 | // First index of the strip.
|
---|
| 555 | indexBegin = geoSubMesh->mStrip[strip];
|
---|
| 556 |
|
---|
[1552] | 557 | // If the strips is not the first. (DEG!)
|
---|
| 558 | if (strip != 0)
|
---|
[2085] | 559 | {
|
---|
[774] | 560 | indexBegin++;
|
---|
[2085] | 561 | }
|
---|
[774] | 562 |
|
---|
| 563 | // If is the final strip
|
---|
| 564 | if (strip == (geoSubMesh->mStripCount - 1))
|
---|
| 565 | {
|
---|
| 566 | // The end of the index array.
|
---|
| 567 | indexEnd = &geoSubMesh->mIndex[geoSubMesh->mIndexCount];
|
---|
| 568 | }
|
---|
| 569 | else
|
---|
| 570 | {
|
---|
| 571 | // The beginning of the next strip.
|
---|
| 572 | indexEnd = geoSubMesh->mStrip[strip + 1];
|
---|
| 573 |
|
---|
[1552] | 574 | // Remove degenerated (DEG!)
|
---|
| 575 | indexEnd--;
|
---|
[774] | 576 | }
|
---|
| 577 |
|
---|
| 578 | int i;
|
---|
| 579 | i = 0;
|
---|
[1526] | 580 |
|
---|
[1083] | 581 | if (submesh==0)
|
---|
[2085] | 582 | {
|
---|
[1083] | 583 | offsets_x_submesh[submesh] = 0;
|
---|
[2085] | 584 | }
|
---|
[1083] | 585 | else
|
---|
[2085] | 586 | {
|
---|
[1083] | 587 | offsets_x_submesh[submesh] = indices_x_submesh[submesh-1];
|
---|
[2085] | 588 | }
|
---|
[1083] | 589 |
|
---|
[774] | 590 | // For each index of the strip.
|
---|
| 591 | for (index = indexBegin; index < indexEnd; index++)
|
---|
| 592 | {
|
---|
| 593 | mFileStrips[t].push_back(indexBegin[i]);
|
---|
[1078] | 594 | indices_x_submesh[submesh]++;
|
---|
[774] | 595 | i++;
|
---|
[2085] | 596 | }
|
---|
[774] | 597 | }
|
---|
| 598 | }
|
---|
| 599 |
|
---|
[2085] | 600 | mFileVertices = lodstripsdata->mFileVertices;
|
---|
| 601 | mFileChangesLOD = lodstripsdata->mFileChangesLOD;
|
---|
| 602 | mData = lodstripsdata->mData;
|
---|
| 603 | p_changes = lodstripsdata->p_changes;
|
---|
[1078] | 604 |
|
---|
[2085] | 605 | mStripsSubmesh = new int [geomesh->mSubMeshCount];
|
---|
[774] | 606 |
|
---|
[1136] | 607 | for (size_t submesh = 0; submesh < geomesh->mSubMeshCount; submesh++)
|
---|
[2085] | 608 | {
|
---|
| 609 | mStripsSubmesh[submesh] = 0;
|
---|
[1090] | 610 | }
|
---|
[774] | 611 |
|
---|
[1090] | 612 | // Max / Min values for LOD.
|
---|
| 613 | mLods = int(p_changes.size());
|
---|
| 614 | mMaxLod = 0;
|
---|
| 615 | mMinLod = mLods;
|
---|
[774] | 616 |
|
---|
[1090] | 617 | mPChanges = new SmallInt[mLods];
|
---|
| 618 |
|
---|
| 619 | for (unsigned int i = 0; i < mLods; i++)
|
---|
[2085] | 620 | {
|
---|
[1090] | 621 | mPChanges[i] = p_changes[i];
|
---|
[2085] | 622 | }
|
---|
[1090] | 623 |
|
---|
| 624 | mTotalVertices = int(mFileVertices.size());
|
---|
| 625 | mMaxVerticesLOD = mTotalVertices;
|
---|
| 626 | mTotalStrips = int(mFileStrips.size());
|
---|
| 627 | mTotalChanges = int(mFileChangesLOD.size());
|
---|
| 628 |
|
---|
| 629 | //Copy the data to the structure we will use
|
---|
| 630 | CopyVectors2Arrays();
|
---|
[774] | 631 | }
|
---|
| 632 |
|
---|
[1018] | 633 | void LodStripsLibrary::UpdateDataRetrievalInterface(void)
|
---|
| 634 | {
|
---|
[1560] | 635 | int target_submesh = 0;
|
---|
| 636 | size_t strip_count = 0;
|
---|
| 637 | unsigned int ii_submesh = 0;
|
---|
[2085] | 638 | uint32 numdeg = 0;
|
---|
[1560] | 639 |
|
---|
[1552] | 640 | current_triangle_count = 0;
|
---|
[1078] | 641 |
|
---|
[1552] | 642 | // indices_x_submesh is calculated without degenerates,
|
---|
| 643 | // we must add the degenerate indices added here
|
---|
[2085] | 644 | if (mGeoMesh->mSubMesh[target_submesh].mStripCount > 0)
|
---|
| 645 | {
|
---|
| 646 | numdeg = mGeoMesh->mSubMesh[target_submesh].mStripCount * 2 - 2;
|
---|
| 647 | }
|
---|
[1325] | 648 |
|
---|
[1560] | 649 | dataRetrievalInterface->Begin(target_submesh,
|
---|
| 650 | indices_x_submesh[target_submesh] + numdeg);
|
---|
[1526] | 651 |
|
---|
[1560] | 652 | current_triangle_count += indices_x_submesh[target_submesh] + numdeg;
|
---|
| 653 |
|
---|
| 654 | // For each strip.
|
---|
[1552] | 655 | for (unsigned int i = 0; i < mTotalStrips; i++, strip_count++)
|
---|
[1018] | 656 | {
|
---|
[1078] | 657 | if (strip_count >= mGeoMesh->mSubMesh[target_submesh].mStripCount)
|
---|
| 658 | {
|
---|
[1560] | 659 | if (target_submesh == 0)
|
---|
| 660 | {
|
---|
[1083] | 661 | offsets_x_submesh[target_submesh] = 0;
|
---|
[1560] | 662 | }
|
---|
[1083] | 663 | else
|
---|
[1560] | 664 | {
|
---|
[2085] | 665 | offsets_x_submesh[target_submesh] =
|
---|
| 666 | indices_x_submesh[target_submesh-1]
|
---|
| 667 | +
|
---|
| 668 | offsets_x_submesh[target_submesh-1];
|
---|
[1560] | 669 | }
|
---|
[1083] | 670 |
|
---|
[1136] | 671 | mStripsSubmesh[target_submesh] = (int)strip_count;
|
---|
[1325] | 672 | strip_count = 0;
|
---|
[1136] | 673 |
|
---|
[1078] | 674 | target_submesh++;
|
---|
[1526] | 675 | ii_submesh = 0;
|
---|
| 676 | dataRetrievalInterface->End();
|
---|
[1560] | 677 |
|
---|
[2085] | 678 | if (mGeoMesh->mSubMesh[target_submesh].mStripCount > 0)
|
---|
| 679 | {
|
---|
| 680 | numdeg = mGeoMesh->mSubMesh[target_submesh].mStripCount*2 - 2;
|
---|
| 681 | }
|
---|
[1560] | 682 |
|
---|
| 683 | dataRetrievalInterface->Begin(target_submesh,
|
---|
[2085] | 684 | indices_x_submesh[target_submesh]
|
---|
| 685 | +
|
---|
| 686 | numdeg);
|
---|
[1552] | 687 |
|
---|
[2085] | 688 | current_triangle_count += indices_x_submesh[target_submesh]
|
---|
| 689 | +
|
---|
| 690 | numdeg;
|
---|
[1078] | 691 | }
|
---|
[1560] | 692 |
|
---|
[1087] | 693 | int lastindex = -1;
|
---|
[1560] | 694 |
|
---|
| 695 | for ( SmallIntVector::iterator it = mStrips[i].begin();
|
---|
| 696 | it != mStrips[i].end();
|
---|
| 697 | it++, ii_submesh++)
|
---|
[1078] | 698 | {
|
---|
[1552] | 699 | // repeat the first index of the strip: degenerate (DEG!)
|
---|
| 700 | // except for the first strip in a mesh
|
---|
[1560] | 701 | if ((lastindex == -1) && (strip_count > 0))
|
---|
[1087] | 702 | {
|
---|
[1560] | 703 | lastindex = *it;
|
---|
| 704 |
|
---|
[2085] | 705 | dataRetrievalInterface->SetIndex(ii_submesh,*it);
|
---|
[1552] | 706 | ii_submesh++;
|
---|
| 707 | }
|
---|
[1560] | 708 |
|
---|
| 709 | lastindex = *it;
|
---|
[1526] | 710 | dataRetrievalInterface->SetIndex(ii_submesh,*it);
|
---|
[1078] | 711 | }
|
---|
[1087] | 712 |
|
---|
[1552] | 713 | // repeat last vertex of the strip: degenerate (DEG!)
|
---|
| 714 | // except for the last strip in a mesh
|
---|
[1560] | 715 | if (strip_count < mGeoMesh->mSubMesh[target_submesh].mStripCount-1)
|
---|
[1552] | 716 | {
|
---|
| 717 | dataRetrievalInterface->SetIndex(ii_submesh,lastindex);
|
---|
| 718 | ii_submesh++;
|
---|
| 719 | }
|
---|
[1018] | 720 | }
|
---|
[1078] | 721 |
|
---|
| 722 | if (strip_count >= mGeoMesh->mSubMesh[target_submesh].mStripCount)
|
---|
| 723 | {
|
---|
[1560] | 724 | if (target_submesh == 0)
|
---|
| 725 | {
|
---|
[1083] | 726 | offsets_x_submesh[target_submesh] = 0;
|
---|
[1560] | 727 | }
|
---|
[1083] | 728 | else
|
---|
[1560] | 729 | {
|
---|
[2085] | 730 | offsets_x_submesh[target_submesh] =
|
---|
| 731 | indices_x_submesh[target_submesh - 1]
|
---|
| 732 | +
|
---|
| 733 | offsets_x_submesh[target_submesh - 1];
|
---|
[1560] | 734 | }
|
---|
[1083] | 735 |
|
---|
[1560] | 736 | mStripsSubmesh[target_submesh] = (int)strip_count;
|
---|
| 737 | strip_count = 0;
|
---|
| 738 |
|
---|
[1078] | 739 | target_submesh++;
|
---|
| 740 | }
|
---|
| 741 |
|
---|
[1018] | 742 | dataRetrievalInterface->End();
|
---|
[1070] | 743 | }
|
---|
[1560] | 744 |
|
---|