104 lines
2.9 KiB
C++
104 lines
2.9 KiB
C++
/*
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Minetest
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Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef L_NODEMETA_H_
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#define L_NODEMETA_H_
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#include "lua_api/l_base.h"
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#include "irrlichttypes_bloated.h"
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class ServerEnvironment;
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class NodeMetadata;
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/*
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NodeMetaRef
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*/
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class NodeMetaRef : public ModApiBase {
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private:
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v3s16 m_p;
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ServerEnvironment *m_env;
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static const char className[];
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static const luaL_reg methods[];
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static NodeMetaRef *checkobject(lua_State *L, int narg);
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/**
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* Retrieve metadata for a node.
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* If @p auto_create is set and the specified node has no metadata information
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* associated with it yet, the method attempts to attach a new metadata object
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* to the node and returns a pointer to the metadata when successful.
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*
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* However, it is NOT guaranteed that the method will return a pointer,
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* and @c NULL may be returned in case of an error regardless of @p auto_create.
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*
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* @param ref specifies the node for which the associated metadata is retrieved.
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* @param auto_create when true, try to create metadata information for the node if it has none.
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* @return pointer to a @c NodeMetadata object or @c NULL in case of error.
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*/
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virtual NodeMetadata* getmeta(bool auto_create);
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static void reportMetadataChange(NodeMetaRef *ref);
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// Exported functions
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// garbage collector
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static int gc_object(lua_State *L);
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// get_string(self, name)
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static int l_get_string(lua_State *L);
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// set_string(self, name, var)
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static int l_set_string(lua_State *L);
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// get_int(self, name)
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static int l_get_int(lua_State *L);
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// set_int(self, name, var)
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static int l_set_int(lua_State *L);
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// get_float(self, name)
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static int l_get_float(lua_State *L);
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// set_float(self, name, var)
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static int l_set_float(lua_State *L);
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// get_inventory(self)
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static int l_get_inventory(lua_State *L);
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// to_table(self)
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static int l_to_table(lua_State *L);
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// from_table(self, table)
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static int l_from_table(lua_State *L);
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public:
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NodeMetaRef(v3s16 p, ServerEnvironment *env);
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~NodeMetaRef();
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// Creates an NodeMetaRef and leaves it on top of stack
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// Not callable from Lua; all references are created on the C side.
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static void create(lua_State *L, v3s16 p, ServerEnvironment *env);
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static void Register(lua_State *L);
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};
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#endif /* L_NODEMETA_H_ */
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