--- /dev/null
+/*
+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
+