minetest/src/staticobject.cpp

/*
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 "staticobject.h"
#include "util/serialize.h"

void StaticObject::serialize(std::ostream &os)
{
	char buf[12];
	// type
	buf[0] = type;
	os.write(buf, 1);
	// pos
	writeV3S32((u8*)buf, v3s32(pos.X*1000,pos.Y*1000,pos.Z*1000));
	os.write(buf, 12);
	// data
	os<<serializeString(data);
}
void StaticObject::deSerialize(std::istream &is, u8 version)
{
	char buf[12];
	// type
	is.read(buf, 1);
	type = buf[0];
	// pos
	is.read(buf, 12);
	v3s32 intp = readV3S32((u8*)buf);
	pos.X = (f32)intp.X/1000;
	pos.Y = (f32)intp.Y/1000;
	pos.Z = (f32)intp.Z/1000;
	// data
	data = deSerializeString(is);
}

void StaticObjectList::serialize(std::ostream &os)
{
	char buf[12];
	// version
	buf[0] = 0;
	os.write(buf, 1);
	// count
	u16 count = m_stored.size() + m_active.size();
	writeU16((u8*)buf, count);
	os.write(buf, 2);
	for(core::list<StaticObject>::Iterator
			i = m_stored.begin();
			i != m_stored.end(); i++)
	{
		StaticObject &s_obj = *i;
		s_obj.serialize(os);
	}
	for(core::map<u16, StaticObject>::Iterator
			i = m_active.getIterator();
			i.atEnd()==false; i++)
	{
		StaticObject s_obj = i.getNode()->getValue();
		s_obj.serialize(os);
	}
}
void StaticObjectList::deSerialize(std::istream &is)
{
	char buf[12];
	// version
	is.read(buf, 1);
	u8 version = buf[0];
	// count
	is.read(buf, 2);
	u16 count = readU16((u8*)buf);
	for(u16 i=0; i<count; i++)
	{
		StaticObject s_obj;
		s_obj.deSerialize(is, version);
		m_stored.push_back(s_obj);
	}
}