//----------------------------------------------------------------------------
//  EgalTech 2018-2018
//----------------------------------------------------------------------------
// File : LUA_GeoDist.cpp       Data : 15.12.18        Versione : 1.9l2
// Contenuto : Funzioni distanza tra oggetti geometrici per LUA.
//
//
//
// Modifiche : 15.12.18 DS Creazione modulo.
//
//
//----------------------------------------------------------------------------

//--------------------------- Include ----------------------------------------
#include "stdafx.h"
#include "LUA.h"
#include "/EgtDev/Include/EXeExecutor.h"
#include "/EgtDev/Include/EXeConst.h"
#include "/EgtDev/Include/EGkLuaAux.h"

using namespace std ;

//----------------------------------------------------------------------------
static int
LuaPointCurveDist( lua_State* L)
{
  // 2 o 3 parametri : ptP, nCrvId, [, nRefId]
   Point3d ptP ;
   LuaCheckParam( L, 1, ptP)
   int nId ;
   LuaCheckParam( L, 2, nId)
   int nRefType = nId ;
   LuaGetParam( L, 3, nRefType) ;
   LuaClearStack( L) ;
  // calcolo la distanza
   double dDist, dU ;
   Point3d ptMin ;
   bool bOk = ExePointCurveDist( ptP, nId, nRefType, &dDist, ptMin, &dU) ;
   if ( bOk) {
      LuaSetParam( L, dDist) ;
      LuaSetParam( L, ptMin) ;
      LuaSetParam( L, dU) ;
   }
   else {
      LuaSetParam( L) ;
      LuaSetParam( L) ;
      LuaSetParam( L) ;
   }
   return 3 ;
}

//----------------------------------------------------------------------------
static int
LuaPointCurveDistSide( lua_State* L)
{
  // 3 o 4 parametri : ptP, nCrvId, vtN [, nRefId]
   Point3d ptP ;
   LuaCheckParam( L, 1, ptP)
   int nId ;
   LuaCheckParam( L, 2, nId)
   Vector3d vtN ;
   LuaCheckParam( L, 3, vtN)
   int nRefType = nId ;
   LuaGetParam( L, 4, nRefType) ;
   LuaClearStack( L) ;
  // calcolo la distanza
   int nSide ;
   double dDist ;
   Point3d ptMin ;
   bool bOk = ExePointCurveDistSide( ptP, nId, vtN, nRefType, &dDist, ptMin, &nSide) ;
   if ( bOk) {
      LuaSetParam( L, dDist) ;
      LuaSetParam( L, ptMin) ;
      LuaSetParam( L, nSide) ;
   }
   else {
      LuaSetParam( L) ;
      LuaSetParam( L) ;
      LuaSetParam( L) ;
   }
   return 3 ;
}

//----------------------------------------------------------------------------
static int
LuaPointSurfTmDist( lua_State* L)
{
  // 2 o 3 parametri : ptP, nStmId, [, nRefId]
   Point3d ptP ;
   LuaCheckParam( L, 1, ptP)
   int nId ;
   LuaCheckParam( L, 2, nId)
   int nRefType = nId ;
   LuaGetParam( L, 3, nRefType) ;
   LuaClearStack( L) ;
  // calcolo la distanza
   double dDist ;
   Point3d ptMin ;
   int nTria ;
   bool bOk = ExePointSurfTmDist( ptP, nId, nRefType, &dDist, ptMin, &nTria) ;
   if ( bOk) {
      LuaSetParam( L, dDist) ;
      LuaSetParam( L, ptMin) ;
      LuaSetParam( L, nTria) ;
   }
   else {
      LuaSetParam( L) ;
      LuaSetParam( L) ;
      LuaSetParam( L) ;
   }
   return 3 ;
}

//----------------------------------------------------------------------------
static int
LuaPointSurfBzDist( lua_State* L)
{
  // 2 o 3 parametri : ptP, nSbzId, [, nRefId]
   Point3d ptP ;
   LuaCheckParam( L, 1, ptP)
   int nId ;
   LuaCheckParam( L, 2, nId)
   int nRefType = nId ;
   LuaGetParam( L, 3, nRefType) ;
   LuaClearStack( L) ;
  // calcolo la distanza
   double dDist ;
   Point3d ptMin ;
   Vector3d vtN ;
   bool bOk = ExePointSurfBzDist( ptP, nId, nRefType, &dDist, ptMin, vtN) ;
   if ( bOk) {
      LuaSetParam( L, dDist) ;
      LuaSetParam( L, ptMin) ;
      LuaSetParam( L, vtN) ;
   }
   else {
      LuaSetParam( L) ;
      LuaSetParam( L) ;
      LuaSetParam( L) ;
   }
   return 3 ;
}

//-------------------------------------------------------------------------------
bool
LuaInstallGeoDist( LuaMgr& luaMgr)
{
   bool bOk = ( &luaMgr != nullptr) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtPointCurveDist", LuaPointCurveDist) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtPointCurveDistSide", LuaPointCurveDistSide) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtPointSurfTmDist", LuaPointSurfTmDist) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtPointSurfBzDist", LuaPointSurfBzDist) ;
   return bOk ;
}