public void Remove(ScriptState luaState, int index)
{
if (_cache.ContainsKey(index))
{
var o = _cache[index];
_mappings.Remove(o);
_cache.Remove(index);
var disposer = o as IDisposable;
if (disposer != null)
{
disposer.Dispose();
}
// remove dotNet_objects value
LuaCore.GetMetatable(luaState, DotNetObjectsMetatable.GlobalName);
LuaCore.PushNull(luaState);
LuaCore.RawSetIndex(luaState, -2, index);
}
}
private bool TryGetObject(ScriptState luaState, object o, out int index)
{
bool found = _mappings.TryGetValue(o, out index);
if (found)
{
LuaCore.GetMetatable(luaState, DotNetObjectsMetatable.GlobalName);
LuaCore.RawGetIndex(luaState, -1, index);
var type = LuaCore.GetType(luaState, -1);
if (type != ScriptTypes.Nil)
{
LuaCore.RemoveValue(luaState, -2);
return(true);
}
LuaCore.RemoveValue(luaState, -1);
LuaCore.RemoveValue(luaState, -1);
Remove(luaState, index);
}
return(false);
}
public int PushObjectEx(ScriptState luaState, object o, string metatableName)
{
int index;
if (TryGetObject(luaState, o, out index))
{
return(index);
}
var uindex = AddObject(o);
LuaCore.GetMetatable(luaState, metatableName);
LuaCore.GetMetatable(luaState, DotNetObjectsMetatable.GlobalName);
LuaCore.NewUserData(luaState, uindex);
LuaCore.PushValue(luaState, -3);
LuaCore.RemoveValue(luaState, -4);
LuaCore.SetMetatable(luaState, -2);
LuaCore.PushValue(luaState, -1);
LuaCore.RawSetIndex(luaState, -3, uindex);
LuaCore.RemoveValue(luaState, -2);
return(uindex);
}