// Luanti // SPDX-License-Identifier: LGPL-2.1-or-later // Copyright (C) 2010-2013 celeron55, Perttu Ahola #include "nodetimer.h" #include "log.h" #include "serialization.h" #include "util/serialize.h" #include "constants.h" // MAP_BLOCKSIZE /* NodeTimer */ void NodeTimer::serialize(std::ostream &os) const { writeF1000(os, timeout); writeF1000(os, elapsed); } void NodeTimer::deSerialize(std::istream &is) { timeout = readF1000(is); elapsed = readF1000(is); } /* NodeTimerList */ void NodeTimerList::serialize(std::ostream &os, u8 map_format_version) const { if (map_format_version == 24) { // Version 0 is a placeholder for "nothing to see here; go away." if (m_timers.empty()) { writeU8(os, 0); // version return; } writeU8(os, 1); // version writeU16(os, m_timers.size()); } if (map_format_version >= 25) { writeU8(os, 2 + 4 + 4); // length of the data for a single timer writeU16(os, m_timers.size()); } for (const auto &timer : m_timers) { NodeTimer t = timer.second; NodeTimer nt = NodeTimer(t.timeout, t.timeout - (f32)(timer.first - m_time), t.position); v3s16 p = t.position; u16 p16 = p.Z * MAP_BLOCKSIZE * MAP_BLOCKSIZE + p.Y * MAP_BLOCKSIZE + p.X; writeU16(os, p16); nt.serialize(os); } } void NodeTimerList::deSerialize(std::istream &is, u8 map_format_version) { clear(); if (map_format_version == 24) { u8 timer_version = readU8(is); if(timer_version == 0) return; if(timer_version != 1) throw SerializationError("unsupported NodeTimerList version"); } if (map_format_version >= 25) { u8 timer_data_len = readU8(is); if(timer_data_len != 2+4+4) throw SerializationError("unsupported NodeTimer data length"); } u16 count = readU16(is); for (u16 i = 0; i < count; i++) { u16 p16 = readU16(is); v3s16 p; p.Z = p16 / MAP_BLOCKSIZE / MAP_BLOCKSIZE; p16 &= MAP_BLOCKSIZE * MAP_BLOCKSIZE - 1; p.Y = p16 / MAP_BLOCKSIZE; p16 &= MAP_BLOCKSIZE - 1; p.X = p16; NodeTimer t(p); t.deSerialize(is); if (t.timeout <= 0) { warningstream<<"NodeTimerList::deSerialize(): " <<"invalid data at position" <<"("< NodeTimerList::step(float dtime) { std::vector elapsed_timers; m_time += dtime; if (m_next_trigger_time == -1. || m_time < m_next_trigger_time) { return elapsed_timers; } std::multimap::iterator i = m_timers.begin(); // Process timers for (; i != m_timers.end() && i->first <= m_time; ++i) { NodeTimer t = i->second; t.elapsed = t.timeout + (f32)(m_time - i->first); elapsed_timers.push_back(t); m_iterators.erase(t.position); } // Delete elapsed timers m_timers.erase(m_timers.begin(), i); if (m_timers.empty()) m_next_trigger_time = -1.; else m_next_trigger_time = m_timers.begin()->first; return elapsed_timers; }