Code/Sandbox/Plugins/LodGeneratorPlugin/Util/LODGeneratorLib.h

   1 /*************************************************************************
   2 Crytek Source File.
   3 Copyright (C), Crytek Studios, 2013.
   4 *************************************************************************/
   5
   6 #pragma once
   7
   8 struct IStatObj;
   9 namespace LODGenerator
  10 {
  11         class LODChainGenerateThread;
  12         class CLODGeneratorLib
  13         {
  14         public:
  15                 struct SLODSequenceGenerationInputParams
  16                 {
  17                         _smart_ptr<IStatObj> pInputMesh;
  18                         float metersPerPixel;
  19                         float silhouetteWeight;
  20                         float vertexWeldingDistance;
  21                         int numViewElevations;
  22                         int numViewsAround;
  23                         bool bObjectHasBase;
  24                         bool bCheckTopology;
  25                 };
  26
  27                 struct SLODSequenceGenerationOutput
  28                 {
  29                         struct SMove
  30                         {
  31                                 int from;
  32                                 int to;
  33                                 float error;
  34                         };
  35                         Vec3* positions;
  36                         vtx_idx* indices;
  37                         SMove* moveList;
  38                         int numPositions;
  39                         int numIndices;
  40                         int numMoves;
  41                         LODChainGenerateThread *pThread;
  42
  43                         _smart_ptr<IStatObj> pStatObj;
  44                         std::vector<SLODSequenceGenerationOutput*> m_pSubObjectOutput;
  45                 };
  46
  47                 struct SLODGenerationInputParams
  48                 {
  49                         SLODSequenceGenerationOutput *pSequence;
  50                         float nPercentage;
  51                         bool bUnwrap;
  52                 };
  53
  54                 struct SLODGenerationOutput
  55                 {
  56                         IStatObj *pStatObj;
  57                 };
  58
  59                 static bool GenerateLODSequence(const SLODSequenceGenerationInputParams *pInputParams, SLODSequenceGenerationOutput *pReturnValues, bool bProcessAsync);
  60                 static bool GetAsyncLODSequenceResults(SLODSequenceGenerationOutput *pReturnValues, float *pProgress);
  61                 static bool FreeLODSequence(SLODSequenceGenerationOutput *pReturnValues);
  62                 static IStatObj * BuildStatObj(SLODSequenceGenerationOutput *pSequence, const SLODGenerationInputParams *pInputParams);
  63                 static IStatObj* GenerateUVs(Vec3* pPositions, vtx_idx *pIndices, int nNumFaces);
  64                 static bool GenerateLOD(const SLODGenerationInputParams *pInputParams, SLODGenerationOutput *pReturnValues);
  65                 static void CancelLODGeneration(SLODSequenceGenerationOutput *pReturnValues);
  66         };
  67
  68
  69 }