EsenthalEngine/Engine/Source/Mesh/Import/Import FBX.cpp

/******************************************************************************

   When suspecting a bug in importing Scales Animation keyframes for a Skeleton,
      please read comments in Animation.cpp file.

/******************************************************************************/
#include "stdafx.h"
#if DEBUG && 0
   #define FBX_LINK_TYPE FBX_LINK_LIB
#endif
#include "../../../../ThirdPartyLibs/FBX/FBX Shared.h"

#if FBX_LINK_TYPE==FBX_LINK_LIB
   #include "../../../../ThirdPartyLibs/FBX/FBX.cpp"
#endif

namespace EE{
/******************************************************************************/
#if FBX_LINK_TYPE==FBX_LINK_DLL
   static Bool     Tried=false;
   static DLL      FbxDll;
   static Str      FbxDllPath=(X64 ? "Bin/FBX64.dll" : "Bin/FBX32.dll");
   static SyncLock Lock;
   static void     (__cdecl *ImportFBXFree)(CPtr   data                      );
   static CPtr     (__cdecl *ImportFBXData)(CChar *name, Int &size, UInt mask);
#endif
/******************************************************************************/
void SetFbxDllPath(C Str &dll_32, C Str &dll_64)
{
#if FBX_LINK_TYPE==FBX_LINK_DLL
   FbxDllPath=(X64 ? dll_64 : dll_32);
#endif
}
Bool ImportFBX(C Str &name, Mesh *mesh, Skeleton *skeleton, MemPtr<XAnimation> animations, MemPtr<XMaterial> materials, MemPtr<Int> part_material_index, MemPtr<Str> bone_names, Bool all_nodes_as_bones)
{
#if FBX_LINK_TYPE==FBX_LINK_DLL
   if(mesh    )mesh    ->del();
   if(skeleton)skeleton->del();
   animations         .clear();
   materials          .clear();
   part_material_index.clear();
   bone_names         .clear();

   {
      SyncLocker locker(Lock);
      if(!Tried)
      {
         Tried=true;
         if(FbxDll.createFile(FbxDllPath))
            if(Int(__cdecl *ImportFBXVer)()=(Int(__cdecl*)())FbxDll.getFunc("ImportFBXVer"))
               if(ImportFBXVer()==0)
                  if(ImportFBXFree=(void (__cdecl*)(CPtr   data                      ))FbxDll.getFunc("ImportFBXFree"))
                     ImportFBXData=(CPtr (__cdecl*)(CChar *name, Int &size, UInt mask))FbxDll.getFunc("ImportFBXData");
      }
   }

   if(ImportFBXData)
   {
         Int  size=0;
      if(CPtr data=ImportFBXData(name, size, (mesh ? FBX_MESH : 0)|(skeleton ? FBX_SKEL : 0)|(animations ? FBX_ANIM : 0)|(materials ? FBX_MTRL : 0)|(part_material_index ? FBX_PMI : 0)|(bone_names ? FBX_BONE_NAMES : 0)|(all_nodes_as_bones ? FBX_ALL_NODES_AS_BONES : 0)))
      {
         File f; f.readMem(data, size);

         // copy data from the DLL memory
         Mesh             mesh_temp;
         Skeleton         skel_temp;
         Memc<XAnimation> animations_temp; MemPtr<XAnimation> at=animations_temp;
         Memc<XMaterial>  materials_temp; MemPtr<XMaterial> mt=materials_temp;
         Memc<Int>        part_material_index_temp; MemPtr<Int> pt=part_material_index_temp;
         Memc<Str>        bone_names_temp; MemPtr<Str> bt=bone_names_temp;
         Bool ok=LoadFBXData(f, mesh ? *mesh : mesh_temp, skeleton ? *skeleton : skel_temp, animations ? animations : at, materials ? materials : mt, part_material_index ? part_material_index : pt, bone_names ? bone_names : bt);

         // free memory allocated by the DLL on the DLL
         ImportFBXFree(data);

         return ok;
      }
   }

   return false;
#elif FBX_LINK_TYPE==FBX_LINK_LIB
   return _ImportFBX(name, mesh, skeleton, animations, materials, part_material_index, bone_names, all_nodes_as_bones, S8);
#endif
   return false;
}
/******************************************************************************/
}
/******************************************************************************/