/** @file
 *
 * @par History
 * - 2006/12/05 Shinigami: removed dummy floor creation in MultiDef::readobjects and
 * MultiDef::readshapes
 * - 2009/09/03 MuadDib:   Relocation of multi related cpp/h
 */


#include "../../plib/clidata.h"
#include "../../plib/mapcell.h"
#include "../../plib/mapshape.h"
#include "../../plib/systemstate.h"
#include "../../plib/tiles.h"
#include "../../plib/udatfile.h"
#include "../item/itemdesc.h"
#include "multidef.h"


namespace Pol::Multi
{
// 8/9/03 this seems to be used only by uofile03 -Syz
bool MultiDef::readobjects( Plib::StaticList& vec, const Core::Vec2d& rxy, short zbase ) const
{
  if ( !within_multi( rxy ) )
    return false;
  Components::const_iterator itr, end;
  if ( !findcomponents( itr, end, rxy ) )
    return false;
  bool result = false;
  for ( ; itr != end; ++itr )
  {
    const MULTI_ELEM* elem = ( *itr ).second;
    unsigned short graphic = Items::getgraphic( elem->objtype );
    if ( Plib::tile_flags( graphic ) & Plib::FLAG::WALKBLOCK )
    {
      if ( elem->is_static )
      {
        vec.emplace_back( graphic, static_cast<signed char>( elem->relpos.z() + zbase ) );
        result = true;
      }
      // Shinigami: removed. doesn't make sense. non-static
      //            items are normal items an can be removed etc.
      /* else // put a dummy floor tile there
       {
       vec.push_back( StaticRec( 0x495, elem->z+zbase ) );
       result = true;
       } */
    }
  }
  return result;
}

bool MultiDef::readshapes( Plib::MapShapeList& vec, const Core::Vec2d& rxy, short zbase,
                           unsigned int anyflags ) const
{
  if ( !within_multi( rxy ) )
    return false;
  Components::const_iterator itr, end;
  if ( !findcomponents( itr, end, rxy ) )
    return false;
  bool result = false;
  for ( ; itr != end; ++itr )
  {
    const MULTI_ELEM* elem = ( *itr ).second;
    // use raw objtype instead of itemdesc.graphic to ensure correct Line of Sight checks
    unsigned short graphic = elem->objtype;
    if ( Plib::tile_flags( graphic ) & anyflags )
    {
      if ( elem->is_static )
      {
        Plib::MapShape shape;
        shape.z = elem->relpos.z() + zbase;
        shape.height = Plib::tileheight( graphic );
        shape.flags = Plib::systemstate.tile[graphic].flags;  // pol_flags_by_tile( graphic );
        if ( !shape.height )
        {
          ++shape.height;
          --shape.z;
        }
        vec.push_back( shape );
        result = true;
      }
      // Shinigami: removed. doesn't make sense. non-static
      //            items are normal items an can be removed etc.
      // Turley: BOAT added so hold count as boat item (who.multi) (and walkable)
      else if ( is_boat )  // put a dummy floor there
      {
        Plib::MapShape shape;
        shape.z = elem->relpos.z() + zbase - 1;
        shape.height = 1;
        shape.flags = Plib::FLAG::MOVELAND | Plib::FLAG::ALLOWDROPON | Plib::FLAG::BLOCKSIGHT |
                      Plib::FLAG::OVERFLIGHT;
        vec.push_back( shape );
        result = true;
      }
    }
  }
  return result;
}
}  // namespace Pol::Multi