1 /*
2 Minetest
3 Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
4 
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
9 
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU Lesser General Public License for more details.
14 
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19 
20 #pragma once
21 
22 #include "irrlichttypes_bloated.h"
23 #include <string>
24 #include <sstream>
25 #include <vector>
26 #include <map>
27 #include "debug.h"
28 
29 class ServerActiveObject;
30 
31 struct StaticObject
32 {
33 	u8 type = 0;
34 	v3f pos;
35 	std::string data;
36 
37 	StaticObject() = default;
38 	StaticObject(const ServerActiveObject *s_obj, const v3f &pos_);
39 
40 	void serialize(std::ostream &os);
41 	void deSerialize(std::istream &is, u8 version);
42 };
43 
44 class StaticObjectList
45 {
46 public:
47 	/*
48 		Inserts an object to the container.
49 		Id must be unique (active) or 0 (stored).
50 	*/
insert(u16 id,const StaticObject & obj)51 	void insert(u16 id, const StaticObject &obj)
52 	{
53 		if(id == 0)
54 		{
55 			m_stored.push_back(obj);
56 		}
57 		else
58 		{
59 			if(m_active.find(id) != m_active.end())
60 			{
61 				dstream<<"ERROR: StaticObjectList::insert(): "
62 						<<"id already exists"<<std::endl;
63 				FATAL_ERROR("StaticObjectList::insert()");
64 			}
65 			m_active[id] = obj;
66 		}
67 	}
68 
remove(u16 id)69 	void remove(u16 id)
70 	{
71 		assert(id != 0); // Pre-condition
72 		if(m_active.find(id) == m_active.end())
73 		{
74 			warningstream<<"StaticObjectList::remove(): id="<<id
75 					<<" not found"<<std::endl;
76 			return;
77 		}
78 		m_active.erase(id);
79 	}
80 
81 	void serialize(std::ostream &os);
82 	void deSerialize(std::istream &is);
83 
84 	/*
85 		NOTE: When an object is transformed to active, it is removed
86 		from m_stored and inserted to m_active.
87 		The caller directly manipulates these containers.
88 	*/
89 	std::vector<StaticObject> m_stored;
90 	std::map<u16, StaticObject> m_active;
91 
92 private:
93 };
94