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/*
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.
*/
#ifndef STATICOBJECT_HEADER
#define STATICOBJECT_HEADER
#include "common_irrlicht.h"
#include <string>
#include <sstream>
#include "utility.h"
struct StaticObject
{
u8 type;
v3f pos;
std::string data;
StaticObject():
type(0),
pos(0,0,0)
{
}
StaticObject(u8 type_, v3f pos_, const std::string &data_):
type(type_),
pos(pos_),
data(data_)
{
}
void 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 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);
}
};
class StaticObjectList
{
public:
/*
Inserts an object to the container.
Id must be unique or 0.
*/
void insert(u16 id, StaticObject obj)
{
if(id == 0)
{
m_stored.push_back(obj);
}
else
{
if(m_active.find(id) != NULL)
{
dstream<<"ERROR: StaticObjectList::insert(): "
<<"id already exists"<<std::endl;
assert(0);
return;
}
m_active.insert(id, obj);
}
}
void remove(u16 id)
{
assert(id != 0);
if(m_active.find(id) == NULL)
{
dstream<<"WARNING: StaticObjectList::remove(): id="<<id
<<" not found"<<std::endl;
return;
}
m_active.remove(id);
}
void 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 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);
}
}
/*
NOTE: When an object is transformed to active, it is removed
from m_stored and inserted to m_active.
The caller directly manipulates these containers.
*/
core::list<StaticObject> m_stored;
core::map<u16, StaticObject> m_active;
private:
};
#endif
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