//----------------------------------------------------------------------------
//  EgalTech 2020-2020
//----------------------------------------------------------------------------
// File : LUA_CDeObjSolid.cpp       Data : 09.01.20        Versione : 2.2a2
// Contenuto : Funzioni di verifica collisioni tra oggetti e solidi.
//             Oggetti = Box, Sfere, Cilindri
//             Solidi = SurfTriMesh, VolZMap
//
// Modifiche : 09.01.20 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"
#include "/EgtDev/Include/EgnStringUtils.h"

using namespace std ;

//-------------------------------------------------------------------------------
static int
LuaCDeBoxSolid( lua_State* L)
{
  // 4 o 5 parametri : frBox, vtDiag, nSolidId, dSafeDist [, nRefType]
   Frame3d frBox ;
   LuaCheckParam( L, 1, frBox)
   Vector3d vtDiag ;
   LuaCheckParam( L, 2, vtDiag)
   int nSolidId ;
   LuaCheckParam( L, 3, nSolidId)
   double dSafeDist ;
   LuaCheckParam( L, 4, dSafeDist)
   int nRefType = RTY_DEFAULT ;
   LuaGetParam( L, 5, nRefType) ;
   LuaClearStack( L) ;
  // eseguo verifica di collisione
   int nRes = ExeCDeBoxSolid( frBox, vtDiag, nSolidId, dSafeDist, nRefType) ;
  // restituisco il risultato
   if ( nRes >= 0)
      LuaSetParam( L, ( nRes != 0)) ;
   else
      LuaSetParam( L) ;
   return 1 ;
}

//-------------------------------------------------------------------------------
static int
LuaCDeCylSolid( lua_State* L)
{
  // 5 o 6 parametri : frCyl, dH, dR, nSolidId, dSafeDist [, nRefType]
   Frame3d frCyl ;
   LuaCheckParam( L, 1, frCyl)
   double dH ;
   LuaCheckParam( L, 2, dH)
   double dR ;
   LuaCheckParam( L, 3, dR)
   int nSolidId ;
   LuaCheckParam( L, 4, nSolidId)
   double dSafeDist ;
   LuaCheckParam( L, 5, dSafeDist)
   int nRefType = RTY_DEFAULT ;
   LuaGetParam( L, 6, nRefType) ;
   LuaClearStack( L) ;
  // eseguo verifica di collisione
   int nRes = ExeCDeCylSolid( frCyl, dH, dR, nSolidId, dSafeDist, nRefType) ;
  // restituisco il risultato
   if ( nRes >= 0)
      LuaSetParam( L, ( nRes != 0)) ;
   else
      LuaSetParam( L) ;
   return 1 ;
}

//----------------------------------------------------------------------------
static int
LuaCDeSpheSolid( lua_State* L)
{
  // 4 o 5 parametri : ptCen, dRad, nSolidId, dSafeDist [, nRefType]
   Point3d ptCen ;
   LuaCheckParam( L, 1, ptCen)
   double dR ;
   LuaCheckParam( L, 2, dR)
   int nSolidId ;
   LuaCheckParam( L, 3, nSolidId)
   double dSafeDist ;
   LuaCheckParam( L, 4, dSafeDist)
   int nRefType = RTY_DEFAULT ;
   LuaGetParam( L, 5, nRefType) ;
   LuaClearStack( L) ;
  // eseguo verifica di collisione
   int nRes = ExeCDeSpheSolid( ptCen, dR, nSolidId, dSafeDist, nRefType) ;
  // restituisco il risultato
   if ( nRes >= 0)
      LuaSetParam( L, ( nRes != 0)) ;
   else
      LuaSetParam( L) ;
   return 1 ;
}

//-------------------------------------------------------------------------------
bool
LuaInstallCDeObjSolid( LuaMgr& luaMgr)
{
   bool bOk = ( &luaMgr != nullptr) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtCDeBoxSolid", LuaCDeBoxSolid) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtCDeCylSolid", LuaCDeCylSolid) ;
   bOk = bOk && luaMgr.RegisterFunction( "EgtCDeSpheSolid", LuaCDeSpheSolid) ;
   return bOk ;
}