mirror of
https://github.com/minetest/minetest.git
synced 2024-08-20 13:34:17 +02:00
193 lines
3.9 KiB
C++
193 lines
3.9 KiB
C++
/*
|
|
Minetest-c55
|
|
Copyright (C) 2010-2011 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
|
|
(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.
|
|
|
|
You should have received a copy of the GNU 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 "nodemetadata.h"
|
|
#include "utility.h"
|
|
#include "exceptions.h"
|
|
#include "gamedef.h"
|
|
#include "inventory.h"
|
|
#include <sstream>
|
|
#include "log.h"
|
|
|
|
/*
|
|
NodeMetadata
|
|
*/
|
|
|
|
NodeMetadata::NodeMetadata(IGameDef *gamedef):
|
|
m_stringvars(),
|
|
m_inventory(new Inventory(gamedef->idef()))
|
|
{
|
|
}
|
|
|
|
NodeMetadata::~NodeMetadata()
|
|
{
|
|
delete m_inventory;
|
|
}
|
|
|
|
void NodeMetadata::serialize(std::ostream &os) const
|
|
{
|
|
int num_vars = m_stringvars.size();
|
|
writeU32(os, num_vars);
|
|
for(std::map<std::string, std::string>::const_iterator
|
|
i = m_stringvars.begin(); i != m_stringvars.end(); i++){
|
|
os<<serializeString(i->first);
|
|
os<<serializeLongString(i->second);
|
|
}
|
|
|
|
m_inventory->serialize(os);
|
|
}
|
|
|
|
void NodeMetadata::deSerialize(std::istream &is)
|
|
{
|
|
m_stringvars.clear();
|
|
int num_vars = readU32(is);
|
|
for(int i=0; i<num_vars; i++){
|
|
std::string name = deSerializeString(is);
|
|
std::string var = deSerializeLongString(is);
|
|
m_stringvars[name] = var;
|
|
}
|
|
|
|
m_inventory->deSerialize(is);
|
|
}
|
|
|
|
void NodeMetadata::clear()
|
|
{
|
|
m_stringvars.clear();
|
|
m_inventory->clear();
|
|
}
|
|
|
|
/*
|
|
NodeMetadataList
|
|
*/
|
|
|
|
void NodeMetadataList::serialize(std::ostream &os) const
|
|
{
|
|
/*
|
|
Version 0 is a placeholder for "nothing to see here; go away."
|
|
*/
|
|
|
|
if(m_data.size() == 0){
|
|
writeU8(os, 0); // version
|
|
return;
|
|
}
|
|
|
|
writeU8(os, 1); // version
|
|
|
|
u16 count = m_data.size();
|
|
writeU16(os, count);
|
|
|
|
for(std::map<v3s16, NodeMetadata*>::const_iterator
|
|
i = m_data.begin();
|
|
i != m_data.end(); i++)
|
|
{
|
|
v3s16 p = i->first;
|
|
NodeMetadata *data = i->second;
|
|
|
|
u16 p16 = p.Z*MAP_BLOCKSIZE*MAP_BLOCKSIZE + p.Y*MAP_BLOCKSIZE + p.X;
|
|
writeU16(os, p16);
|
|
|
|
data->serialize(os);
|
|
}
|
|
}
|
|
|
|
void NodeMetadataList::deSerialize(std::istream &is, IGameDef *gamedef)
|
|
{
|
|
m_data.clear();
|
|
|
|
u8 version = readU8(is);
|
|
|
|
if(version == 0){
|
|
// Nothing
|
|
return;
|
|
}
|
|
|
|
if(version != 1){
|
|
infostream<<__FUNCTION_NAME<<": version "<<version<<" not supported"
|
|
<<std::endl;
|
|
throw SerializationError("NodeMetadataList::deSerialize");
|
|
}
|
|
|
|
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(m_data.find(p) != m_data.end())
|
|
{
|
|
infostream<<"WARNING: NodeMetadataList::deSerialize(): "
|
|
<<"already set data at position"
|
|
<<"("<<p.X<<","<<p.Y<<","<<p.Z<<"): Ignoring."
|
|
<<std::endl;
|
|
continue;
|
|
}
|
|
|
|
NodeMetadata *data = new NodeMetadata(gamedef);
|
|
data->deSerialize(is);
|
|
m_data[p] = data;
|
|
}
|
|
}
|
|
|
|
NodeMetadataList::~NodeMetadataList()
|
|
{
|
|
clear();
|
|
}
|
|
|
|
NodeMetadata* NodeMetadataList::get(v3s16 p)
|
|
{
|
|
std::map<v3s16, NodeMetadata*>::const_iterator n = m_data.find(p);
|
|
if(n == m_data.end())
|
|
return NULL;
|
|
return n->second;
|
|
}
|
|
|
|
void NodeMetadataList::remove(v3s16 p)
|
|
{
|
|
NodeMetadata *olddata = get(p);
|
|
if(olddata)
|
|
{
|
|
delete olddata;
|
|
m_data.erase(p);
|
|
}
|
|
}
|
|
|
|
void NodeMetadataList::set(v3s16 p, NodeMetadata *d)
|
|
{
|
|
remove(p);
|
|
m_data.insert(std::make_pair(p, d));
|
|
}
|
|
|
|
void NodeMetadataList::clear()
|
|
{
|
|
for(std::map<v3s16, NodeMetadata*>::iterator
|
|
i = m_data.begin();
|
|
i != m_data.end(); i++)
|
|
{
|
|
delete i->second;
|
|
}
|
|
m_data.clear();
|
|
}
|