/*
-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)
{
{
}
-/*
- TestSAO
-*/
-
-TestSAO::TestSAO(ServerEnvironment *env, u16 id, v3f pos):
- ServerActiveObject(env, id, pos),
- m_timer1(0),
- m_age(0)
+ServerActiveObject* ServerActiveObject::create(u8 type,
+ ServerEnvironment *env, u16 id, v3f pos,
+ const std::string &data)
{
-}
-
-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)
+ // Find factory function
+ core::map<u16, Factory>::Node *n;
+ n = m_types.find(type);
+ if(n == NULL)
{
- 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);
+ // If factory is not found, just return.
+ dstream<<"WARNING: ServerActiveObject: No factory for type="
+ <<type<<std::endl;
+ return NULL;
}
-}
-
-/*
- LuaSAO
-*/
-
-extern "C"{
-#include "lstring.h"
-}
-
-/*
- object_set_base_position(self, x,y,z)
- x,y,z = object_get_base_position(self)
- object_add_message(self, data)
- object_remove(self)
-*/
-
-/*
- object_set_base_position(self, x, y, z)
-*/
-static int lf_object_set_base_position(lua_State *L)
-{
- // 4: z
- lua_Number z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- // 3: y
- lua_Number y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- // 2: x
- lua_Number x = lua_tonumber(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
-}
-
-/*
- 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_pushnumber(L, pos.X/BS);
- lua_pushnumber(L, pos.Y/BS);
- lua_pushnumber(L, pos.Z/BS);
- return 3; // 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
-}
-
-/*
- object_get_node(x,y,z)
-*/
-static int lf_object_get_node(lua_State *L)
-{
- // 4: z
- lua_Number z = lua_tonumber(L, -1);
- lua_pop(L, 1);
- // 3: y
- lua_Number y = lua_tonumber(L, -1);
- lua_pop(L, 1);
- // 2: x
- lua_Number x = lua_tonumber(L, -1);
- lua_pop(L, 1);
- // 1: self
- LuaSAO *self = (LuaSAO*)lua_touserdata(L, -1);
- lua_pop(L, 1);
-
- assert(self);
-
- 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 = self->getEnv()->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, "walkable");
- lua_pushboolean(L, content_features(n.d).walkable);
- lua_settable(L, -3);
-
- // Return the table
- return 1;
-}
-
-/*
- 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;
-}
-
-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
- lua_register(L, "object_set_base_position", lf_object_set_base_position);
- lua_register(L, "object_get_base_position", lf_object_get_base_position);
- lua_register(L, "object_add_message", lf_object_add_message);
- lua_register(L, "object_get_node", lf_object_get_node);
- lua_register(L, "object_remove", lf_object_remove);
-}
-
-LuaSAO::~LuaSAO()
-{
- lua_close(L);
-}
-
-std::string LuaSAO::getClientInitializationData()
-{
- /*
- Read client-side script from file
- */
-
- std::string relative_path;
- relative_path += "luaobjects/";
- 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 = "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;
+ Factory f = n->getValue();
+ ServerActiveObject *object = (*f)(env, pos, data);
+ return object;
}
-std::string LuaSAO::getServerInitializationData()
+void ServerActiveObject::registerType(u16 type, Factory f)
{
- 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 = "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;
+ core::map<u16, Factory>::Node *n;
+ n = m_types.find(type);
+ if(n)
+ return;
+ m_types.insert(type, f);
}
-void LuaSAO::initialize(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 initialize(self, data) in the script
- */
-
- const char *funcname = "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 += "luaobjects/";
- 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 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 Inventory *inv = getInventory();
+ if(inv)
{
- 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)
+ return list->getItem(getWieldIndex());
}
+ return ItemStack();
}
-void LuaSAO::step(float dtime, Queue<ActiveObjectMessage> &messages)
+bool ServerActiveObject::setWieldedItem(const ItemStack &item)
{
- lua_getglobal(L, "step");
- if(!lua_isfunction(L,-1))
- {
- lua_pop(L,1);
- dstream<<"WARNING: LuaSAO::step(): step function not found"<<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 step(): "
- <<lua_tostring(L,-1)<<std::endl;
- return;
- }
-
- // Move messages
- while(m_message_queue.size() != 0)
+ Inventory *inv = getInventory();
+ if(inv)
{
- messages.push_back(m_message_queue.pop_front());
+ InventoryList *list = inv->getList(getWieldList());
+ if (list)
+ {
+ list->changeItem(getWieldIndex(), item);
+ setInventoryModified();
+ return true;
+ }
}
+ return false;
}
-
-
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