3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "lua_api/l_base.h"
23 #include "irrlichttypes_bloated.h"
25 class ServerEnvironment;
32 class NodeMetaRef : public ModApiBase {
35 ServerEnvironment *m_env;
37 static const char className[];
38 static const luaL_reg methods[];
40 static NodeMetaRef *checkobject(lua_State *L, int narg);
43 * Retrieve metadata for a node.
44 * If @p auto_create is set and the specified node has no metadata information
45 * associated with it yet, the method attempts to attach a new metadata object
46 * to the node and returns a pointer to the metadata when successful.
48 * However, it is NOT guaranteed that the method will return a pointer,
49 * and @c NULL may be returned in case of an error regardless of @p auto_create.
51 * @param ref specifies the node for which the associated metadata is retrieved.
52 * @param auto_create when true, try to create metadata information for the node if it has none.
53 * @return pointer to a @c NodeMetadata object or @c NULL in case of error.
55 static NodeMetadata* getmeta(NodeMetaRef *ref, bool auto_create);
57 static void reportMetadataChange(NodeMetaRef *ref);
62 static int gc_object(lua_State *L);
64 // get_string(self, name)
65 static int l_get_string(lua_State *L);
67 // set_string(self, name, var)
68 static int l_set_string(lua_State *L);
70 // get_int(self, name)
71 static int l_get_int(lua_State *L);
73 // set_int(self, name, var)
74 static int l_set_int(lua_State *L);
76 // get_float(self, name)
77 static int l_get_float(lua_State *L);
79 // set_float(self, name, var)
80 static int l_set_float(lua_State *L);
82 // get_inventory(self)
83 static int l_get_inventory(lua_State *L);
86 static int l_to_table(lua_State *L);
88 // from_table(self, table)
89 static int l_from_table(lua_State *L);
92 NodeMetaRef(v3s16 p, ServerEnvironment *env);
96 // Creates an NodeMetaRef and leaves it on top of stack
97 // Not callable from Lua; all references are created on the C side.
98 static void create(lua_State *L, v3s16 p, ServerEnvironment *env);
100 static void Register(lua_State *L);
103 #endif /* L_NODEMETA_H_ */