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.
20 #include "lua_api/l_nodetimer.h"
21 #include "lua_api/l_internal.h"
22 #include "serverenvironment.h"
26 int NodeTimerRef::gc_object(lua_State *L) {
27 NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1));
32 NodeTimerRef* NodeTimerRef::checkobject(lua_State *L, int narg)
34 luaL_checktype(L, narg, LUA_TUSERDATA);
35 void *ud = luaL_checkudata(L, narg, className);
36 if(!ud) luaL_typerror(L, narg, className);
37 return *(NodeTimerRef**)ud; // unbox pointer
40 int NodeTimerRef::l_set(lua_State *L)
43 NodeTimerRef *o = checkobject(L, 1);
44 ServerEnvironment *env = o->m_env;
45 if(env == NULL) return 0;
46 f32 t = readParam<float>(L,2);
47 f32 e = readParam<float>(L,3);
48 env->getMap().setNodeTimer(NodeTimer(t, e, o->m_p));
52 int NodeTimerRef::l_start(lua_State *L)
55 NodeTimerRef *o = checkobject(L, 1);
56 ServerEnvironment *env = o->m_env;
57 if(env == NULL) return 0;
58 f32 t = readParam<float>(L,2);
59 env->getMap().setNodeTimer(NodeTimer(t, 0, o->m_p));
63 int NodeTimerRef::l_stop(lua_State *L)
66 NodeTimerRef *o = checkobject(L, 1);
67 ServerEnvironment *env = o->m_env;
68 if(env == NULL) return 0;
69 env->getMap().removeNodeTimer(o->m_p);
73 int NodeTimerRef::l_is_started(lua_State *L)
76 NodeTimerRef *o = checkobject(L, 1);
77 ServerEnvironment *env = o->m_env;
78 if(env == NULL) return 0;
80 NodeTimer t = env->getMap().getNodeTimer(o->m_p);
81 lua_pushboolean(L,(t.timeout != 0));
85 int NodeTimerRef::l_get_timeout(lua_State *L)
88 NodeTimerRef *o = checkobject(L, 1);
89 ServerEnvironment *env = o->m_env;
90 if(env == NULL) return 0;
92 NodeTimer t = env->getMap().getNodeTimer(o->m_p);
93 lua_pushnumber(L,t.timeout);
97 int NodeTimerRef::l_get_elapsed(lua_State *L)
100 NodeTimerRef *o = checkobject(L, 1);
101 ServerEnvironment *env = o->m_env;
102 if(env == NULL) return 0;
104 NodeTimer t = env->getMap().getNodeTimer(o->m_p);
105 lua_pushnumber(L,t.elapsed);
110 NodeTimerRef::NodeTimerRef(v3s16 p, ServerEnvironment *env):
116 // Creates an NodeTimerRef and leaves it on top of stack
117 // Not callable from Lua; all references are created on the C side.
118 void NodeTimerRef::create(lua_State *L, v3s16 p, ServerEnvironment *env)
120 NodeTimerRef *o = new NodeTimerRef(p, env);
121 *(void **)(lua_newuserdata(L, sizeof(void *))) = o;
122 luaL_getmetatable(L, className);
123 lua_setmetatable(L, -2);
126 void NodeTimerRef::set_null(lua_State *L)
128 NodeTimerRef *o = checkobject(L, -1);
132 void NodeTimerRef::Register(lua_State *L)
135 int methodtable = lua_gettop(L);
136 luaL_newmetatable(L, className);
137 int metatable = lua_gettop(L);
139 lua_pushliteral(L, "__metatable");
140 lua_pushvalue(L, methodtable);
141 lua_settable(L, metatable); // hide metatable from Lua getmetatable()
143 lua_pushliteral(L, "__index");
144 lua_pushvalue(L, methodtable);
145 lua_settable(L, metatable);
147 lua_pushliteral(L, "__gc");
148 lua_pushcfunction(L, gc_object);
149 lua_settable(L, metatable);
151 lua_pop(L, 1); // drop metatable
153 luaL_openlib(L, 0, methods, 0); // fill methodtable
154 lua_pop(L, 1); // drop methodtable
156 // Cannot be created from Lua
157 //lua_register(L, className, create_object);
160 const char NodeTimerRef::className[] = "NodeTimerRef";
161 const luaL_Reg NodeTimerRef::methods[] = {
162 luamethod(NodeTimerRef, start),
163 luamethod(NodeTimerRef, set),
164 luamethod(NodeTimerRef, stop),
165 luamethod(NodeTimerRef, is_started),
166 luamethod(NodeTimerRef, get_timeout),
167 luamethod(NodeTimerRef, get_elapsed),