minetest/src/staticobject.h

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/*
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Minetest
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Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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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
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(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.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
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#include "irrlichttypes_bloated.h"
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#include <string>
#include <sstream>
#include <vector>
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#include <map>
#include "debug.h"
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struct StaticObject
{
u8 type = 0;
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v3f pos;
std::string data;
StaticObject() = default;
StaticObject(u8 type_, const v3f &pos_, const std::string &data_):
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type(type_),
pos(pos_),
data(data_)
{
}
void serialize(std::ostream &os);
void deSerialize(std::istream &is, u8 version);
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};
class StaticObjectList
{
public:
/*
Inserts an object to the container.
Id must be unique (active) or 0 (stored).
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*/
void insert(u16 id, const StaticObject &obj)
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{
if(id == 0)
{
m_stored.push_back(obj);
}
else
{
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if(m_active.find(id) != m_active.end())
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{
dstream<<"ERROR: StaticObjectList::insert(): "
<<"id already exists"<<std::endl;
FATAL_ERROR("StaticObjectList::insert()");
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}
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m_active[id] = obj;
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}
}
void remove(u16 id)
{
assert(id != 0); // Pre-condition
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if(m_active.find(id) == m_active.end())
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{
warningstream<<"StaticObjectList::remove(): id="<<id
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<<" not found"<<std::endl;
return;
}
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m_active.erase(id);
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}
void serialize(std::ostream &os);
void deSerialize(std::istream &is);
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/*
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.
*/
std::vector<StaticObject> m_stored;
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std::map<u16, StaticObject> m_active;
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private:
};