X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;ds=sidebyside;f=src%2Fserverobject.cpp;h=699040bf2599a42716aa4dd0ec471c39183042e8;hb=d58211264e98d80dc80fc5b15171670a2b82abb5;hp=e62f1efd0386708f20041fd23c3414d6ad14124c;hpb=be32adc872a085f6ced03000362b352b121fa103;p=minetest.git

diff --git a/src/serverobject.cpp b/src/serverobject.cpp
index e62f1efd0..699040bf2 100644
--- a/src/serverobject.cpp
+++ b/src/serverobject.cpp
@@ -1,30 +1,34 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+Minetest
+Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
 
 This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
 (at your option) any later version.
 
 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+You should have received a copy of the GNU Lesser General Public License along
 with this program; if not, write to the Free Software Foundation, Inc.,
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
 #include "serverobject.h"
 #include <fstream>
-#include "environment.h"
+#include "inventory.h"
+#include "constants.h" // BS
 
-ServerActiveObject::ServerActiveObject(ServerEnvironment *env, u16 id, v3f pos):
-	ActiveObject(id),
+ServerActiveObject::ServerActiveObject(ServerEnvironment *env, v3f pos):
+	ActiveObject(0),
 	m_known_by_count(0),
 	m_removed(false),
+	m_pending_deactivation(false),
+	m_static_exists(false),
+	m_static_block(1337,1337,1337),
 	m_env(env),
 	m_base_position(pos)
 {
@@ -34,772 +38,64 @@ ServerActiveObject::~ServerActiveObject()
 {
 }
 
-/*
-	TestSAO
-*/
-
-TestSAO::TestSAO(ServerEnvironment *env, u16 id, v3f pos):
-	ServerActiveObject(env, id, pos),
-	m_timer1(0),
-	m_age(0)
-{
-}
-
-void TestSAO::step(float dtime, Queue<ActiveObjectMessage> &messages)
-{
-	m_age += dtime;
-	if(m_age > 10)
-	{
-		m_removed = true;
-		return;
-	}
-
-	m_base_position.Y += dtime * BS * 2;
-	if(m_base_position.Y > 8*BS)
-		m_base_position.Y = 2*BS;
-
-	m_timer1 -= dtime;
-	if(m_timer1 < 0.0)
-	{
-		m_timer1 += 0.125;
-		//dstream<<"TestSAO: id="<<getId()<<" sending data"<<std::endl;
-
-		std::string data;
-
-		data += itos(0); // 0 = position
-		data += " ";
-		data += itos(m_base_position.X);
-		data += " ";
-		data += itos(m_base_position.Y);
-		data += " ";
-		data += itos(m_base_position.Z);
-
-		ActiveObjectMessage aom(getId(), false, data);
-		messages.push_back(aom);
-	}
-}
-
-/*
-	LuaSAO
-*/
-
-extern "C"{
-#include "lstring.h"
-}
-
-/*
-	Callbacks in script:
-	
-	on_step(self, dtime)
-	on_get_client_init_data(self)
-	on_get_server_init_data(self)
-	on_initialize(self, data)
-*/
-
-/*
-	object_remove(x,y,z)
-*/
-static int lf_object_remove(lua_State *L)
-{
-	// 1: self
-	LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-
-	self->m_removed = true;
-
-	return 0;
-}
-
-/*
-	ServerEnvironment object_get_environment(self)
-*/
-static int lf_object_get_environment(lua_State *L)
-{
-	// 1: self
-	LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	
-	lua_pushlightuserdata(L, self->getEnv());
-	return 1;
-}
-
-/*
-	object_set_base_position(self, {X=,Y=,Z=})
-*/
-static int lf_object_set_base_position(lua_State *L)
-{
-	// 2: position
-	assert(lua_istable(L, -1));
-	lua_pushstring(L, "X");
-	lua_gettable(L, -2);
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Y");
-	lua_gettable(L, -2);
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Z");
-	lua_gettable(L, -2);
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pop(L, 1);
-	// 1: self
-	LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	
-	self->setBasePosition(v3f(x*BS,y*BS,z*BS));
-	
-	return 0; // Number of return values
-}
-
-/*
-	{X=,Y=,Z=} object_get_base_position(self)
-*/
-static int lf_object_get_base_position(lua_State *L)
-{
-	// 1: self
-	LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	
-	v3f pos = self->getBasePosition();
-
-	lua_newtable(L);
-
-	lua_pushstring(L, "X");
-	lua_pushnumber(L, pos.X/BS);
-	lua_settable(L, -3);
-
-	lua_pushstring(L, "Y");
-	lua_pushnumber(L, pos.Y/BS);
-	lua_settable(L, -3);
-
-	lua_pushstring(L, "Z");
-	lua_pushnumber(L, pos.Z/BS);
-	lua_settable(L, -3);
-
-	return 1; // Number of return values
-}
-
-/*
-	object_add_message(self, string data)
-	lf = luafunc
-*/
-static int lf_object_add_message(lua_State *L)
-{
-	// 2: data
-	size_t datalen = 0;
-	const char *data_c = lua_tolstring(L, -1, &datalen);
-	lua_pop(L, 1);
-	// 1: self
-	LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(self);
-	assert(data_c);
-	
-	std::string data(data_c, datalen);
-	//dstream<<"object_add_message: data="<<data<<std::endl;
-	
-	// Create message and add to queue
-	ActiveObjectMessage aom(self->getId());
-	aom.reliable = true;
-	aom.datastring = data;
-	self->m_message_queue.push_back(aom);
-
-	return 0; // Number of return values
-}
-
-/*
-	env_get_node(env, {X=,Y=,Z=})
-*/
-static int lf_env_get_node(lua_State *L)
-{
-	// 2: position
-	assert(lua_istable(L, -1));
-	lua_pushstring(L, "X");
-	lua_gettable(L, -2);
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Y");
-	lua_gettable(L, -2);
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Z");
-	lua_gettable(L, -2);
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pop(L, 1);
-	// 1: env
-	ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	
-	assert(env);
-
-	v3s16 pos = floatToInt(v3f(x,y,z), 1.0);
-
-	/*dstream<<"Checking node from pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z
-			<<")"<<std::endl;*/
-	
-	// Get the node
-	MapNode n(CONTENT_IGNORE);
-	n = env->getMap().getNodeNoEx(pos);
-
-	// Create a table with some data about the node
-	lua_newtable(L);
-	lua_pushstring(L, "content");
-	lua_pushinteger(L, n.d);
-	lua_settable(L, -3);
-	lua_pushstring(L, "param1");
-	lua_pushinteger(L, n.param);
-	lua_settable(L, -3);
-	lua_pushstring(L, "param2");
-	lua_pushinteger(L, n.param2);
-	lua_settable(L, -3);
-	
-	// Return the table
-	return 1;
-}
-
-/*
-	get_content_features(content)
-*/
-static int lf_get_content_features(lua_State *L)
-{
-	MapNode n;
-	
-	// 1: content
-	n.d = lua_tointeger(L, -1);
-	lua_pop(L, 1);
-	
-	// Get and return information
-	ContentFeatures &f = content_features(n.d);
-	
-	lua_newtable(L);
-	lua_pushstring(L, "walkable");
-	lua_pushboolean(L, f.walkable);
-	lua_settable(L, -3);
-	lua_pushstring(L, "diggable");
-	lua_pushboolean(L, f.diggable);
-	lua_settable(L, -3);
-	lua_pushstring(L, "buildable_to");
-	lua_pushboolean(L, f.buildable_to);
-	lua_settable(L, -3);
-	
-	return 1;
-}
-
-/*
-	bool env_dig_node(env, {X=,Y=,Z=})
-	Return true on success
-*/
-static int lf_env_dig_node(lua_State *L)
-{
-	// 2: position
-	assert(lua_istable(L, -1));
-	lua_pushstring(L, "X");
-	lua_gettable(L, -2);
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Y");
-	lua_gettable(L, -2);
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Z");
-	lua_gettable(L, -2);
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pop(L, 1);
-	// 1: env
-	ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	assert(env);
-
-	v3s16 pos = floatToInt(v3f(x,y,z), 1.0);
-	
-	/*
-		Do stuff.
-		This gets sent to the server by the map through the edit
-		event system.
-	*/
-	bool succeeded = env->getMap().removeNodeWithEvent(pos);
-	
-	lua_pushboolean(L, succeeded);
-	return 1;
-}
-
-/*
-	bool env_place_node(env, {X=,Y=,Z=}, node)
-	node={content=,param1=,param2=}
-	param1 and param2 are optional
-	Return true on success
-*/
-static int lf_env_place_node(lua_State *L)
+ServerActiveObject* ServerActiveObject::create(ActiveObjectType type,
+		ServerEnvironment *env, u16 id, v3f pos,
+		const std::string &data)
 {
-	// 3: node
-	MapNode n(CONTENT_STONE);
-	assert(lua_istable(L, -1));
-	{
-		lua_pushstring(L, "content");
-		lua_gettable(L, -2);
-		if(lua_isnumber(L, -1))
-			n.d = lua_tonumber(L, -1);
-		lua_pop(L, 1);
-		lua_pushstring(L, "param1");
-		lua_gettable(L, -2);
-		if(lua_isnumber(L, -1))
-			n.param = lua_tonumber(L, -1);
-		lua_pop(L, 1);
-		lua_pushstring(L, "param2");
-		lua_gettable(L, -2);
-		if(lua_isnumber(L, -1))
-			n.param2 = lua_tonumber(L, -1);
-		lua_pop(L, 1);
-	}
-	lua_pop(L, 1);
-	// 2: position
-	assert(lua_istable(L, -1));
-	lua_pushstring(L, "X");
-	lua_gettable(L, -2);
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Y");
-	lua_gettable(L, -2);
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Z");
-	lua_gettable(L, -2);
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pop(L, 1);
-	// 1: env
-	ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	assert(env);
-
-	v3s16 pos = floatToInt(v3f(x,y,z), 1.0);
-	
-	/*
-		Do stuff.
-		This gets sent to the server by the map through the edit
-		event system.
-	*/
-	bool succeeded = env->getMap().addNodeWithEvent(pos, n);
-
-	lua_pushboolean(L, succeeded);
-	return 1;
-}
-
-/*
-	string env_get_nearest_player_name(env, {X=,Y=,Z=})
-*/
-static int lf_env_get_nearest_player_name(lua_State *L)
-{
-	// 2: position
-	assert(lua_istable(L, -1));
-	lua_pushstring(L, "X");
-	lua_gettable(L, -2);
-	lua_Number x = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Y");
-	lua_gettable(L, -2);
-	lua_Number y = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pushstring(L, "Z");
-	lua_gettable(L, -2);
-	lua_Number z = lua_tonumber(L, -1);
-	lua_pop(L, 1);
-	lua_pop(L, 1);
-	// 1: env
-	ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	assert(env);
-	
-	v3f pos_f = v3f(x,y,z)*BS;
-	
-	Player *player = env->getNearestConnectedPlayer(pos_f);
-	
-	if(player)
-		lua_pushstring(L, player->getName());
-	else
-		lua_pushstring(L, "");
-	
-	return 1; // Number of return values
-}
-
-/*
-	{exists=, pos={X=,Y=,Z=}, connected=} env_get_player_info(env, name)
-*/
-static int lf_env_get_player_info(lua_State *L)
-{
-	// 2: name
-	const char *name = lua_tostring(L, -1);
-	lua_pop(L, 1);
-	// 1: env
-	ServerEnvironment *env = (ServerEnvironment*)lua_touserdata(L, -1);
-	lua_pop(L, 1);
-	assert(env);
-	
-	Player *player = env->getPlayer(name);
-	v3f pos(0,0,0);
-	if(player)
-		pos = player->getPosition();
-
-	lua_newtable(L);
-
-	lua_pushstring(L, "exists");
-	lua_pushboolean(L, (player != NULL));
-	lua_settable(L, -3);
-	
-	if(player != NULL)
-	{
-		lua_pushstring(L, "pos");
-		{
-			lua_newtable(L);
-			
-			lua_pushstring(L, "X");
-			lua_pushnumber(L, pos.X/BS);
-			lua_settable(L, -3);
-
-			lua_pushstring(L, "Y");
-			lua_pushnumber(L, pos.Y/BS);
-			lua_settable(L, -3);
-
-			lua_pushstring(L, "Z");
-			lua_pushnumber(L, pos.Z/BS);
-			lua_settable(L, -3);
+	// Find factory function
+	std::map<u16, Factory>::iterator n;
+	n = m_types.find(type);
+	if(n == m_types.end()) {
+		// These are 0.3 entity types, return without error.
+		if (ACTIVEOBJECT_TYPE_ITEM <= type && type <= ACTIVEOBJECT_TYPE_MOBV2) {
+			return NULL;
 		}
-		lua_settable(L, -3);
 
-		lua_pushstring(L, "connected");
-		lua_pushboolean(L, (player->peer_id != 0));
-		lua_settable(L, -3);
+		// If factory is not found, just return.
+		dstream<<"WARNING: ServerActiveObject: No factory for type="
+				<<type<<std::endl;
+		return NULL;
 	}
 
-	return 1; // Number of return values
-}
-
-LuaSAO::LuaSAO(ServerEnvironment *env, u16 id, v3f pos):
-	ServerActiveObject(env, id, pos),
-	L(NULL)
-{
-	dstream<<"LuaSAO::LuaSAO(): id="<<id<<std::endl;
-	L = lua_open();
-	assert(L);
-	
-	// Load libraries
-	luaopen_base(L);
-	luaopen_table(L);
-	luaopen_string(L);
-	luaopen_math(L);
-	
-	// Add globals
-	//lua_pushlightuserdata(L, this);
-	//lua_setglobal(L, "self");
-	
-	// Register functions
-#define LUA_REGISTER_FUNC(L, x) lua_register(L, #x, lf_ ## x)
-	LUA_REGISTER_FUNC(L, object_remove);
-	LUA_REGISTER_FUNC(L, object_get_environment);
-	LUA_REGISTER_FUNC(L, object_set_base_position);
-	LUA_REGISTER_FUNC(L, object_get_base_position);
-	LUA_REGISTER_FUNC(L, object_add_message);
-	LUA_REGISTER_FUNC(L, env_get_node);
-	LUA_REGISTER_FUNC(L, get_content_features);
-	LUA_REGISTER_FUNC(L, env_dig_node);
-	LUA_REGISTER_FUNC(L, env_place_node);
-	LUA_REGISTER_FUNC(L, env_get_nearest_player_name);
-	LUA_REGISTER_FUNC(L, env_get_player_info);
-}
-
-LuaSAO::~LuaSAO()
-{
-	lua_close(L);
-}
-
-std::string LuaSAO::getClientInitializationData()
-{
-	/*
-		Read client-side script from file
-	*/
-	
-	std::string relative_path;
-	relative_path += "scripts/objects/";
-	relative_path += m_script_name;
-	relative_path += "/client.lua";
-	std::string full_path = porting::getDataPath(relative_path.c_str());
-	std::string script;
-	std::ifstream file(full_path.c_str(), std::ios::binary | std::ios::ate);
-	int size = file.tellg();
-	SharedBuffer<char> buf(size);
-	file.seekg(0, std::ios::beg);
-	file.read(&buf[0], size);
-	file.close();
-	
-	/*
-		Create data string
-	*/
-	std::string data;
-
-	// Append script
-	std::string script_string(&buf[0], buf.getSize());
-	data += serializeLongString(script_string);
-
-	/*
-		Get data from server-side script for inclusion
-	*/
-	std::string other_data;
-	
-	do{
-
-		const char *funcname = "on_get_client_init_data";
-		lua_getglobal(L, funcname);
-		if(!lua_isfunction(L,-1))
-		{
-			lua_pop(L,1);
-			dstream<<"WARNING: LuaSAO: Function not found: "
-					<<funcname<<std::endl;
-			break;
-		}
-		
-		// Parameters:
-		// 1: self
-		lua_pushlightuserdata(L, this);
-		
-		// Call (1 parameters, 1 result)
-		if(lua_pcall(L, 1, 1, 0))
-		{
-			dstream<<"WARNING: LuaSAO: Error running function "
-					<<funcname<<": "
-					<<lua_tostring(L,-1)<<std::endl;
-			break;
-		}
-
-		// Retrieve result
-		if(!lua_isstring(L,-1))
-		{
-			dstream<<"WARNING: LuaSAO: Function "<<funcname
-					<<" didn't return a string"<<std::endl;
-			break;
-		}
-		
-		size_t cs_len = 0;
-		const char *cs = lua_tolstring(L, -1, &cs_len);
-		lua_pop(L,1);
-
-		other_data = std::string(cs, cs_len);
-
-	}while(0);
-	
-	data += serializeLongString(other_data);
-
-	return data;
-}
-
-std::string LuaSAO::getServerInitializationData()
-{
-	std::string data;
-	
-	// Script name
-	data.append(serializeString(m_script_name));
-
-	/*
-		Get data from server-side script for inclusion
-	*/
-	std::string other_data;
-	
-	do{
-
-		const char *funcname = "on_get_server_init_data";
-		lua_getglobal(L, funcname);
-		if(!lua_isfunction(L,-1))
-		{
-			lua_pop(L,1);
-			dstream<<"WARNING: LuaSAO: Function not found: "
-					<<funcname<<std::endl;
-			break;
-		}
-		
-		// Parameters:
-		// 1: self
-		lua_pushlightuserdata(L, this);
-		
-		// Call (1 parameters, 1 result)
-		if(lua_pcall(L, 1, 1, 0))
-		{
-			dstream<<"WARNING: LuaSAO: Error running function "
-					<<funcname<<": "
-					<<lua_tostring(L,-1)<<std::endl;
-			break;
-		}
-
-		// Retrieve result
-		if(!lua_isstring(L,-1))
-		{
-			dstream<<"WARNING: LuaSAO: Function "<<funcname
-					<<" didn't return a string"<<std::endl;
-			break;
-		}
-		
-		size_t cs_len = 0;
-		const char *cs = lua_tolstring(L, -1, &cs_len);
-		lua_pop(L,1);
-
-		other_data = std::string(cs, cs_len);
-
-	}while(0);
-	
-	data += serializeLongString(other_data);
-
-	return data;
+	Factory f = n->second;
+	ServerActiveObject *object = (*f)(env, pos, data);
+	return object;
 }
 
-void LuaSAO::initializeFromNothing(const std::string &script_name)
+void ServerActiveObject::registerType(u16 type, Factory f)
 {
-	loadScripts(script_name);
-
-	/*
-		Call on_initialize(self, data) in the script
-	*/
-	
-	const char *funcname = "on_initialize";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaSAO: Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: data (other)
-	lua_pushstring(L, "");
-	
-	// Call (2 parameters, 0 result)
-	if(lua_pcall(L, 2, 0, 0))
-	{
-		dstream<<"WARNING: LuaSAO: Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
+	std::map<u16, Factory>::iterator n;
+	n = m_types.find(type);
+	if(n != m_types.end())
 		return;
-	}
+	m_types[type] = f;
 }
 
-void LuaSAO::initializeFromSave(const std::string &data)
+float ServerActiveObject::getMinimumSavedMovement()
 {
-	std::istringstream is(data, std::ios::binary);
-	std::string script_name = deSerializeString(is);
-	std::string other = deSerializeLongString(is);
-
-	loadScripts(script_name);
-
-	/*
-		Call on_initialize(self, data) in the script
-	*/
-	
-	const char *funcname = "on_initialize";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaSAO: Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: data (other)
-	lua_pushlstring(L, other.c_str(), other.size());
-	
-	// Call (2 parameters, 0 result)
-	if(lua_pcall(L, 2, 0, 0))
-	{
-		dstream<<"WARNING: LuaSAO: Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
-		return;
-	}
+	return 2.0*BS;
 }
 
-void LuaSAO::loadScripts(const std::string &script_name)
+ItemStack ServerActiveObject::getWieldedItem() const
 {
-	m_script_name = script_name;
-	
-	std::string relative_path;
-	relative_path += "scripts/objects/";
-	relative_path += script_name;
-	std::string server_file = relative_path + "/server.lua";
-	std::string server_path = porting::getDataPath(server_file.c_str());
-
-	// Load the file
-	int ret;
-	ret = luaL_loadfile(L, server_path.c_str());
-	if(ret)
+	const Inventory *inv = getInventory();
+	if(inv)
 	{
-		const char *message = lua_tostring(L, -1);
-		lua_pop(L, 1);
-		dstream<<"LuaSAO::loadScript(): lua_loadfile failed: "
-				<<message<<std::endl;
-		assert(0);
-		return;
-	}
-	ret = lua_pcall(L, 0, 0, 0);
-	if(ret)
-	{
-		const char *message = lua_tostring(L, -1);
-		lua_pop(L, 1);
-		dstream<<"LuaSAO::loadScript(): lua_pcall failed: "
-				<<message<<std::endl;
-		assert(0);
-		return;
+		const InventoryList *list = inv->getList(getWieldList());
+		if(list && (getWieldIndex() < (s32)list->getSize())) 
+			return list->getItem(getWieldIndex());
 	}
+	return ItemStack();
 }
 
-void LuaSAO::step(float dtime, Queue<ActiveObjectMessage> &messages)
+bool ServerActiveObject::setWieldedItem(const ItemStack &item)
 {
-	const char *funcname = "on_step";
-	lua_getglobal(L, funcname);
-	if(!lua_isfunction(L,-1))
-	{
-		lua_pop(L,1);
-		dstream<<"WARNING: LuaSAO::step(): Function not found: "
-				<<funcname<<std::endl;
-		return;
-	}
-	
-	// Parameters:
-	// 1: self
-	lua_pushlightuserdata(L, this);
-	// 2: dtime
-	lua_pushnumber(L, dtime);
-	
-	// Call (2 parameters, 0 result)
-	if(lua_pcall(L, 2, 0, 0))
-	{
-		dstream<<"WARNING: LuaSAO::step(): Error running function "
-				<<funcname<<": "
-				<<lua_tostring(L,-1)<<std::endl;
-		return;
-	}
-
-	// Move messages
-	while(m_message_queue.size() != 0)
-	{
-		messages.push_back(m_message_queue.pop_front());
+	if(Inventory *inv = getInventory()) {
+		if (InventoryList *list = inv->getList(getWieldList())) {
+			list->changeItem(getWieldIndex(), item);
+			return true;
+		}
 	}
+	return false;
 }
 
-
-