Initial commit

src/staticobject.h

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+/*
+Minetest
+Copyright (C) 2010-2013 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.
+*/
+
+#pragma once
+
+#include "irrlichttypes_bloated.h"
+#include <string>
+#include <sstream>
+#include <vector>
+#include <map>
+#include "debug.h"
+
+class ServerActiveObject;
+
+struct StaticObject
+{
+	u8 type = 0;
+	v3f pos;
+	std::string data;
+
+	StaticObject() = default;
+	StaticObject(const ServerActiveObject *s_obj, const v3f &pos_);
+
+	void serialize(std::ostream &os) const;
+	void deSerialize(std::istream &is, u8 version);
+};
+
+class StaticObjectList
+{
+public:
+	/*
+		Inserts an object to the container.
+		Id must be unique (active) or 0 (stored).
+	*/
+	void insert(u16 id, const StaticObject &obj)
+	{
+		if(id == 0)
+		{
+			m_stored.push_back(obj);
+		}
+		else
+		{
+			if(m_active.find(id) != m_active.end())
+			{
+				dstream<<"ERROR: StaticObjectList::insert(): "
+						<<"id already exists"<<std::endl;
+				FATAL_ERROR("StaticObjectList::insert()");
+			}
+			m_active[id] = obj;
+		}
+	}
+
+	void remove(u16 id)
+	{
+		assert(id != 0); // Pre-condition
+		if(m_active.find(id) == m_active.end())
+		{
+			warningstream<<"StaticObjectList::remove(): id="<<id
+					<<" not found"<<std::endl;
+			return;
+		}
+		m_active.erase(id);
+	}
+
+	void serialize(std::ostream &os);
+	void deSerialize(std::istream &is);
+
+	/*
+		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;
+	std::map<u16, StaticObject> m_active;
+
+private:
+};