//Uses a recursive method to elimate adjacent tiles of structure information.
//The code will attempt to delete the current mapindex, then search using this method:
//1) if there isn't structure info here, return.
//2) if there is structure info here, delete it now.
//3) KillBuilding at x-1, y.
//4) KillBuilding at x , y-1.
//5) KillBuilding at x+1, y.
//6) KillBuilding at x , y+1.
void KillBuilding( UINT32 iMapIndex )
{
BOOLEAN fFound = FALSE;
if( !gfBasement )
fFound |= RemoveAllRoofsOfTypeRange( iMapIndex, FIRSTTEXTURE, LASTITEM );
fFound |= RemoveAllLandsOfTypeRange( iMapIndex, FIRSTFLOOR, LASTFLOOR );
EraseBuilding( iMapIndex );
gubWorldRoomInfo[ iMapIndex ] = 0;
if( !fFound )
{
if( gfBasement )
RebuildRoof( iMapIndex, 0 );
return;
}
if( GridNoOnVisibleWorldTile( (UINT16)( iMapIndex - WORLD_COLS ) ) )
KillBuilding( iMapIndex - WORLD_COLS );
if( GridNoOnVisibleWorldTile( (UINT16)( iMapIndex + WORLD_COLS ) ) )
KillBuilding( iMapIndex + WORLD_COLS );
if( GridNoOnVisibleWorldTile( (UINT16)( iMapIndex + 1 ) ) )
KillBuilding( iMapIndex + 1 );
if( GridNoOnVisibleWorldTile( (UINT16)( iMapIndex - 1 ) ) )
KillBuilding( iMapIndex - 1 );
if( gfBasement )
RebuildRoof( iMapIndex, 0 );
}
void EraseFloor( UINT32 iMapIndex )
{
AddToUndoList( iMapIndex );
RemoveAllLandsOfTypeRange( iMapIndex, FIRSTFLOOR, LASTFLOOR );
}
