Method MoveNext

Code/CryEngine/CryScriptSystem/ScriptTable.cpp:608–678

/////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////////
bool CScriptTable::MoveNext(Iterator& iter)
{
	if (!iter.internal.nStackMarker1)
		return false;

	int nTop;
	if (iter.internal.nStackMarker2)
		nTop = iter.internal.nStackMarker2 - 1; // already traversing the prototype table
	else
		nTop = iter.internal.nStackMarker1 - 1; // still traversing our own table

	//leave only the index into the stack
	while ((lua_gettop(L) - (nTop + 1)) > 1)
	{
		lua_pop(L, 1);
	}
	bool bResult = lua_next(L, nTop + 1) != 0;
	if (bResult)
	{
		iter.value.Clear();
		bResult = m_pSS->PopAny(iter.value);
		// Get current key.
		m_pSS->ToAny(iter.key, -1);
		if (lua_type(L, -1) == LUA_TSTRING)
		{
			// String key.
			iter.sKey = (const char*)lua_tostring(L, -1);
			iter.nKey = -1;
		}
		else if (lua_type(L, -1) == LUA_TNUMBER)
		{
			// Number key.
			iter.sKey = NULL;
			iter.nKey = (int)lua_tonumber(L, -1);
		}
		else
		{
			iter.sKey = 0;
			iter.nKey = -1;
		}
	}
	if (!bResult)
	{
		if (iter.internal.nStackMarker1 && !iter.internal.nStackMarker2)
		{
			// just finished traversing our own table
			// => now see if we have a prototype table attached by inspecting our potential metatable
			// => if we don't have a metatable, or have a metatable but no prototype table attached, finish the whole iteration

			if (iter.internal.resolvePrototypeTableAsWell)
			{
				if (lua_getmetatable(L, -1))
				{
					// yep, we have a metatable
					lua_pushstring(L, "__index");
					lua_rawget(L, -2);
					if (lua_type(L, -1) == LUA_TTABLE)
					{