/* 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 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. */ #ifndef STATICOBJECT_HEADER #define STATICOBJECT_HEADER #include "irrlichttypes_bloated.h" #include <string> #include <sstream> #include "util/serialize.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