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minetest/src/nodetimer.h

92 lines
2.2 KiB
C++

/*
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.
*/
#ifndef NODETIMER_HEADER
#define NODETIMER_HEADER
#include "irr_v3d.h"
#include <iostream>
#include <map>
/*
NodeTimer provides per-node timed callback functionality.
Can be used for:
- Furnaces, to keep the fire burnin'
- "activated" nodes that snap back to their original state
after a fixed amount of time (mesecons buttons, for example)
*/
class NodeTimer
{
public:
NodeTimer(): timeout(0.), elapsed(0.) {}
NodeTimer(f32 timeout_, f32 elapsed_):
timeout(timeout_), elapsed(elapsed_) {}
~NodeTimer() {}
void serialize(std::ostream &os) const;
void deSerialize(std::istream &is);
f32 timeout;
f32 elapsed;
};
/*
List of timers of all the nodes of a block
*/
class NodeTimerList
{
public:
NodeTimerList() {}
~NodeTimerList() {}
void serialize(std::ostream &os, u8 map_format_version) const;
void deSerialize(std::istream &is, u8 map_format_version);
// Get timer
NodeTimer get(v3s16 p){
std::map<v3s16, NodeTimer>::iterator n = m_data.find(p);
if(n == m_data.end())
return NodeTimer();
return n->second;
}
// Deletes timer
void remove(v3s16 p){
m_data.erase(p);
}
// Deletes old timer and sets a new one
void set(v3s16 p, NodeTimer t){
m_data[p] = t;
}
// Deletes all timers
void clear(){
m_data.clear();
}
// A step in time. Returns map of elapsed timers.
std::map<v3s16, NodeTimer> step(float dtime);
private:
std::map<v3s16, NodeTimer> m_data;
};
#endif