minetest/src/content_nodemeta.cpp
SmallJoker 947466ab28 (se)SerializeString: Include max length in the name
This commit clarifies the maximal length of the serialized strings.
It will avoid accidental use of serializeString() when a larger string can be expected.

Removes unused Wide String serialization functions
2020-10-01 09:52:59 +02:00

192 lines
5.2 KiB
C++

/*
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 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 Lesser General Public License for more details.
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 "content_nodemeta.h"
#include "nodemetadata.h"
#include "nodetimer.h"
#include "inventory.h"
#include "log.h"
#include "serialization.h"
#include "util/serialize.h"
#include "util/string.h"
#include "constants.h" // MAP_BLOCKSIZE
#include <sstream>
#define NODEMETA_GENERIC 1
#define NODEMETA_SIGN 14
#define NODEMETA_CHEST 15
#define NODEMETA_FURNACE 16
#define NODEMETA_LOCKABLE_CHEST 17
// Returns true if node timer must be set
static bool content_nodemeta_deserialize_legacy_body(
std::istream &is, s16 id, NodeMetadata *meta)
{
meta->clear();
if(id == NODEMETA_GENERIC) // GenericNodeMetadata (0.4-dev)
{
meta->getInventory()->deSerialize(is);
deSerializeString32(is); // m_text
deSerializeString16(is); // m_owner
meta->setString("infotext",deSerializeString16(is));
meta->setString("formspec",deSerializeString16(is));
readU8(is); // m_allow_text_input
readU8(is); // m_allow_removal
readU8(is); // m_enforce_owner
int num_vars = readU32(is);
for(int i=0; i<num_vars; i++){
std::string name = deSerializeString16(is);
std::string var = deSerializeString32(is);
meta->setString(name, var);
}
return false;
}
else if(id == NODEMETA_SIGN) // SignNodeMetadata
{
meta->setString("text", deSerializeString16(is));
//meta->setString("infotext","\"${text}\"");
meta->setString("infotext",
std::string("\"") + meta->getString("text") + "\"");
meta->setString("formspec","field[text;;${text}]");
return false;
}
else if(id == NODEMETA_CHEST) // ChestNodeMetadata
{
meta->getInventory()->deSerialize(is);
// Rename inventory list "0" to "main"
Inventory *inv = meta->getInventory();
if(!inv->getList("main") && inv->getList("0")){
inv->getList("0")->setName("main");
}
assert(inv->getList("main") && !inv->getList("0"));
meta->setString("formspec","size[8,9]"
"list[current_name;main;0,0;8,4;]"
"list[current_player;main;0,5;8,4;]");
return false;
}
else if(id == NODEMETA_LOCKABLE_CHEST) // LockingChestNodeMetadata
{
meta->setString("owner", deSerializeString16(is));
meta->getInventory()->deSerialize(is);
// Rename inventory list "0" to "main"
Inventory *inv = meta->getInventory();
if(!inv->getList("main") && inv->getList("0")){
inv->getList("0")->setName("main");
}
assert(inv->getList("main") && !inv->getList("0"));
meta->setString("formspec","size[8,9]"
"list[current_name;main;0,0;8,4;]"
"list[current_player;main;0,5;8,4;]");
return false;
}
else if(id == NODEMETA_FURNACE) // FurnaceNodeMetadata
{
meta->getInventory()->deSerialize(is);
int temp = 0;
is>>temp;
meta->setString("fuel_totaltime", ftos((float)temp/10));
temp = 0;
is>>temp;
meta->setString("fuel_time", ftos((float)temp/10));
temp = 0;
is>>temp;
//meta->setString("src_totaltime", ftos((float)temp/10));
temp = 0;
is>>temp;
meta->setString("src_time", ftos((float)temp/10));
meta->setString("formspec","size[8,9]"
"list[current_name;fuel;2,3;1,1;]"
"list[current_name;src;2,1;1,1;]"
"list[current_name;dst;5,1;2,2;]"
"list[current_player;main;0,5;8,4;]");
return true;
}
else
{
throw SerializationError("Unknown legacy node metadata");
}
}
static bool content_nodemeta_deserialize_legacy_meta(
std::istream &is, NodeMetadata *meta)
{
// Read id
s16 id = readS16(is);
// Read data
std::string data = deSerializeString16(is);
std::istringstream tmp_is(data, std::ios::binary);
return content_nodemeta_deserialize_legacy_body(tmp_is, id, meta);
}
void content_nodemeta_deserialize_legacy(std::istream &is,
NodeMetadataList *meta, NodeTimerList *timers,
IItemDefManager *item_def_mgr)
{
meta->clear();
timers->clear();
u16 version = readU16(is);
if(version > 1)
{
infostream<<FUNCTION_NAME<<": version "<<version<<" not supported"
<<std::endl;
throw SerializationError(FUNCTION_NAME);
}
u16 count = readU16(is);
for(u16 i=0; i<count; i++)
{
u16 p16 = readU16(is);
v3s16 p(0,0,0);
p.Z += p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE;
p16 -= p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE;
p.Y += p16 / MAP_BLOCKSIZE;
p16 -= p.Y * MAP_BLOCKSIZE;
p.X += p16;
if(meta->get(p) != NULL)
{
warningstream<<FUNCTION_NAME<<": "
<<"already set data at position"
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
<<std::endl;
continue;
}
NodeMetadata *data = new NodeMetadata(item_def_mgr);
bool need_timer = content_nodemeta_deserialize_legacy_meta(is, data);
meta->set(p, data);
if(need_timer)
timers->set(NodeTimer(1., 0., p));
}
}