CaSHL/CaSHLWorld.hpp

   1 /*
   2 Cafu Engine, http://www.cafu.de/
   3 Copyright (c) Carsten Fuchs and other contributors.
   4 This project is licensed under the terms of the MIT license.
   5 */
   6
   7 /****************************/
   8 /*** CaSHL World (Header) ***/
   9 /****************************/
  10
  11 #ifndef CAFU_CASHLWORLD_HPP_INCLUDED
  12 #define CAFU_CASHLWORLD_HPP_INCLUDED
  13
  14 #include "../Common/World.hpp"
  15
  16
  17 // This switch controls the usage of normal-maps for SHL patches.
  18 // Using normal-maps with SHL patches may or may not help, as explained in the appropriate code comments.
  19 #define USE_NORMALMAPS 1
  20
  21
  22 struct PatchT
  23 {
  24     ArrayT<double> SHCoeffs_UnradiatedTransfer; // SH coefficients of the transfer function that is not yet "radiated" / "shot" into the environment.
  25     ArrayT<double> SHCoeffs_TotalTransfer;      // SH coefficients of the (total) transfer function (that is, direct and bounce transfer).
  26
  27     VectorT       Coord;        // Position (+safety) in world space of the center of the patch. Valid only if InsideFace==true.
  28 #if USE_NORMALMAPS
  29     VectorT       Normal;       // Normal of the patch. Derived from the normal map normals that are covered by this patch.
  30 #endif
  31     bool          InsideFace;   // InsideFace==true <==> this patch is not completely outside its face
  32 };
  33
  34
  35 /// This class provides the interface that is needed to compute and store the SH lighting.
  36 class CaSHLWorldT
  37 {
  38     public:
  39
  40     CaSHLWorldT(const char* FileName, ModelManagerT& ModelMan, cf::GuiSys::GuiResourcesT& GuiRes);
  41
  42     const cf::SceneGraph::BspTreeNodeT& GetBspTree() const { return *m_BspTree; }
  43
  44     double TraceRay(const Vector3dT& Start, const Vector3dT& Ray) const;
  45
  46     void PatchesToSHLMaps(const ArrayT< ArrayT<PatchT> >& Patches);
  47
  48     // Forwarded functions.
  49     void SaveToDisk(const char* FileName) const;
  50
  51
  52     private:
  53
  54     WorldT                              m_World;
  55     const cf::SceneGraph::BspTreeNodeT* m_BspTree;
  56     cf::ClipSys::CollisionModelStaticT* m_CollModel;
  57 };
  58
  59 #endif