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Implement node timers
This commit is contained in:
darkrose
Perttu Ahola
parent
829f262c79
commit
cd6becd442
12 changed files with 368 additions and 45 deletions
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@ -3118,6 +3118,162 @@ const luaL_reg LuaPerlinNoise::methods[] = {
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{0,0}
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};
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/*
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NodeTimerRef
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*/
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class NodeTimerRef
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{
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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 int gc_object(lua_State *L) {
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NodeTimerRef *o = *(NodeTimerRef **)(lua_touserdata(L, 1));
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delete o;
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return 0;
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}
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static NodeTimerRef *checkobject(lua_State *L, int narg)
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{
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luaL_checktype(L, narg, LUA_TUSERDATA);
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void *ud = luaL_checkudata(L, narg, className);
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if(!ud) luaL_typerror(L, narg, className);
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return *(NodeTimerRef**)ud; // unbox pointer
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}
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static int l_set(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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f32 t = luaL_checknumber(L,2);
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f32 e = luaL_checknumber(L,3);
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env->getMap().setNodeTimer(o->m_p,NodeTimer(t,e));
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return 0;
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}
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static int l_start(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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f32 t = luaL_checknumber(L,2);
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env->getMap().setNodeTimer(o->m_p,NodeTimer(t,0));
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return 0;
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}
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static int l_stop(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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env->getMap().removeNodeTimer(o->m_p);
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return 0;
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}
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static int l_is_started(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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NodeTimer t = env->getMap().getNodeTimer(o->m_p);
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lua_pushboolean(L,(t.timeout != 0));
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return 1;
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}
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static int l_get_timeout(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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NodeTimer t = env->getMap().getNodeTimer(o->m_p);
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lua_pushnumber(L,t.timeout);
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return 1;
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}
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static int l_get_elapsed(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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NodeTimer t = env->getMap().getNodeTimer(o->m_p);
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lua_pushnumber(L,t.elapsed);
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return 1;
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}
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public:
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NodeTimerRef(v3s16 p, ServerEnvironment *env):
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m_p(p),
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m_env(env)
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{
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}
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~NodeTimerRef()
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{
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}
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// Creates an NodeTimerRef 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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{
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NodeTimerRef *o = new NodeTimerRef(p, env);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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}
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static void set_null(lua_State *L)
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{
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NodeTimerRef *o = checkobject(L, -1);
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o->m_env = NULL;
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}
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static void Register(lua_State *L)
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{
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lua_newtable(L);
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int methodtable = lua_gettop(L);
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luaL_newmetatable(L, className);
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int metatable = lua_gettop(L);
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lua_pushliteral(L, "__metatable");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable); // hide metatable from Lua getmetatable()
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lua_pushliteral(L, "__index");
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lua_pushvalue(L, methodtable);
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lua_settable(L, metatable);
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lua_pushliteral(L, "__gc");
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lua_pushcfunction(L, gc_object);
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lua_settable(L, metatable);
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lua_pop(L, 1); // drop metatable
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luaL_openlib(L, 0, methods, 0); // fill methodtable
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lua_pop(L, 1); // drop methodtable
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// Cannot be created from Lua
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//lua_register(L, className, create_object);
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}
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};
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const char NodeTimerRef::className[] = "NodeTimerRef";
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const luaL_reg NodeTimerRef::methods[] = {
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method(NodeTimerRef, start),
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method(NodeTimerRef, set),
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method(NodeTimerRef, stop),
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method(NodeTimerRef, is_started),
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method(NodeTimerRef, get_timeout),
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method(NodeTimerRef, get_elapsed),
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{0,0}
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};
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/*
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EnvRef
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*/
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@ -3351,6 +3507,31 @@ private:
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return 1;
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}
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// EnvRef:get_meta(pos)
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static int l_get_meta(lua_State *L)
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{
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//infostream<<"EnvRef::l_get_meta()"<<std::endl;
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EnvRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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// Do it
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v3s16 p = read_v3s16(L, 2);
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NodeMetaRef::create(L, p, env);
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return 1;
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}
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// EnvRef:get_node_timer(pos)
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static int l_get_node_timer(lua_State *L)
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{
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EnvRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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// Do it
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v3s16 p = read_v3s16(L, 2);
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NodeTimerRef::create(L, p, env);
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return 1;
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}
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// EnvRef:add_entity(pos, entityname) -> ObjectRef or nil
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// pos = {x=num, y=num, z=num}
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static int l_add_entity(lua_State *L)
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@ -3431,19 +3612,6 @@ private:
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return 0;
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}
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// EnvRef:get_meta(pos)
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static int l_get_meta(lua_State *L)
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{
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//infostream<<"EnvRef::l_get_meta()"<<std::endl;
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EnvRef *o = checkobject(L, 1);
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ServerEnvironment *env = o->m_env;
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if(env == NULL) return 0;
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// Do it
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v3s16 p = read_v3s16(L, 2);
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NodeMetaRef::create(L, p, env);
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return 1;
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}
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// EnvRef:get_player_by_name(name)
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static int l_get_player_by_name(lua_State *L)
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{
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@ -3713,6 +3881,7 @@ const luaL_reg EnvRef::methods[] = {
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method(EnvRef, add_rat),
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method(EnvRef, add_firefly),
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method(EnvRef, get_meta),
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method(EnvRef, get_node_timer),
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method(EnvRef, get_player_by_name),
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method(EnvRef, get_objects_inside_radius),
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method(EnvRef, set_timeofday),
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@ -4729,6 +4898,7 @@ void scriptapi_export(lua_State *L, Server *server)
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LuaItemStack::Register(L);
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InvRef::Register(L);
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NodeMetaRef::Register(L);
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NodeTimerRef::Register(L);
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ObjectRef::Register(L);
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EnvRef::Register(L);
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LuaPseudoRandom::Register(L);
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@ -5482,6 +5652,29 @@ void scriptapi_node_after_destruct(lua_State *L, v3s16 p, MapNode node)
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script_error(L, "error: %s", lua_tostring(L, -1));
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}
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bool scriptapi_node_on_timer(lua_State *L, v3s16 p, MapNode node, f32 dtime)
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{
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realitycheck(L);
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assert(lua_checkstack(L, 20));
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StackUnroller stack_unroller(L);
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INodeDefManager *ndef = get_server(L)->ndef();
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// Push callback function on stack
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if(!get_item_callback(L, ndef->get(node).name.c_str(), "on_timer"))
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return false;
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// Call function
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push_v3s16(L, p);
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lua_pushnumber(L,dtime);
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if(lua_pcall(L, 2, 1, 0))
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script_error(L, "error: %s", lua_tostring(L, -1));
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if(lua_isboolean(L,-1) && lua_toboolean(L,-1) == true)
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return true;
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return false;
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}
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void scriptapi_node_on_receive_fields(lua_State *L, v3s16 p,
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const std::string &formname,
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const std::map<std::string, std::string> &fields,
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