168 lines
3.3 KiB
C++
168 lines
3.3 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef STATICOBJECT_HEADER
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#define STATICOBJECT_HEADER
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#include "common_irrlicht.h"
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#include <string>
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#include <sstream>
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#include "utility.h"
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struct StaticObject
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{
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u8 type;
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v3f pos;
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std::string data;
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StaticObject():
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type(0),
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pos(0,0,0)
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{
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}
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StaticObject(u8 type_, v3f pos_, const std::string &data_):
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type(type_),
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pos(pos_),
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data(data_)
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{
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}
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void serialize(std::ostream &os)
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{
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char buf[12];
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// type
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buf[0] = type;
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os.write(buf, 1);
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// pos
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writeV3S32((u8*)buf, v3s32(pos.X*1000,pos.Y*1000,pos.Z*1000));
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os.write(buf, 12);
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// data
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os<<serializeString(data);
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}
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void deSerialize(std::istream &is, u8 version)
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{
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char buf[12];
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// type
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is.read(buf, 1);
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type = buf[0];
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// pos
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is.read(buf, 12);
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v3s32 intp = readV3S32((u8*)buf);
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pos.X = (f32)intp.X/1000;
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pos.Y = (f32)intp.Y/1000;
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pos.Z = (f32)intp.Z/1000;
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// data
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data = deSerializeString(is);
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}
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};
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class StaticObjectList
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{
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public:
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/*
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Inserts an object to the container.
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Id must be unique or 0.
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*/
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void insert(u16 id, StaticObject obj)
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{
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if(id == 0)
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{
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m_stored.push_back(obj);
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}
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else
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{
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if(m_active.find(id) != NULL)
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{
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dstream<<"ERROR: StaticObjectList::insert(): "
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<<"id already exists"<<std::endl;
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assert(0);
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return;
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}
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m_active.insert(id, obj);
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}
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}
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void remove(u16 id)
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{
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assert(id != 0);
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if(m_active.find(id) == NULL)
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{
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dstream<<"WARNING: StaticObjectList::remove(): id="<<id
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<<" not found"<<std::endl;
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return;
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}
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m_active.remove(id);
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}
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void serialize(std::ostream &os)
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{
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char buf[12];
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// version
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buf[0] = 0;
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os.write(buf, 1);
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// count
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u16 count = m_stored.size() + m_active.size();
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writeU16((u8*)buf, count);
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os.write(buf, 2);
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for(core::list<StaticObject>::Iterator
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i = m_stored.begin();
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i != m_stored.end(); i++)
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{
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StaticObject &s_obj = *i;
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s_obj.serialize(os);
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}
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for(core::map<u16, StaticObject>::Iterator
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i = m_active.getIterator();
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i.atEnd()==false; i++)
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{
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StaticObject s_obj = i.getNode()->getValue();
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s_obj.serialize(os);
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}
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}
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void deSerialize(std::istream &is)
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{
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char buf[12];
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// version
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is.read(buf, 1);
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u8 version = buf[0];
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// count
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is.read(buf, 2);
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u16 count = readU16((u8*)buf);
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for(u16 i=0; i<count; i++)
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{
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StaticObject s_obj;
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s_obj.deSerialize(is, version);
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m_stored.push_back(s_obj);
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}
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}
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/*
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NOTE: When an object is transformed to active, it is removed
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from m_stored and inserted to m_active.
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The caller directly manipulates these containers.
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*/
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core::list<StaticObject> m_stored;
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core::map<u16, StaticObject> m_active;
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private:
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};
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#endif
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