timer_game_tick.h

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/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <https://www.gnu.org/licenses/old-licenses/gpl-2.0>.
 */

 
#ifndef TIMER_GAME_TICK_H
#define TIMER_GAME_TICK_H
 
#include "../gfx_type.h"
 
#include <chrono>

class TimerGameTick {
public:
  using Ticks = int32_t; 
  using TickCounter = uint64_t; 

  enum class Priority : uint8_t {
    None, 
 
    /* For all other priorities, the order is important.
     * For safety, you can only setup a single timer on a single priority. */
 
    CompetitorTimeout, 
  };
 
  struct TPeriod {
    Priority priority;
    uint value;
 
    TPeriod(Priority priority, uint value) : priority(priority), value(value)
    {}
 
    bool operator < (const TPeriod &other) const
    {
      /* Sort by priority before value, such that changes in value for priorities other than NONE do not change the container order */
      if (this->priority != other.priority) return this->priority < other.priority;
      return this->value < other.value;
    }
 
    bool operator == (const TPeriod &other) const
    {
      return this->priority == other.priority && this->value == other.value;
    }
  };
 
  using TElapsed = uint;
  struct TStorage {
    uint elapsed;
  };
 
  static TickCounter counter; 
};

class Ticks {
public:
  static constexpr TimerGameTick::Ticks INVALID_TICKS = -1; 

  static constexpr TimerGameTick::Ticks DAY_TICKS = 74; 
  static constexpr TimerGameTick::Ticks TICKS_PER_SECOND = 1000 / MILLISECONDS_PER_TICK; 
 
  static constexpr TimerGameTick::Ticks STATION_RATING_TICKS = 185; 
  static constexpr TimerGameTick::Ticks STATION_ACCEPTANCE_TICKS = 250; 
  static constexpr TimerGameTick::Ticks STATION_LINKGRAPH_TICKS = 504; 
  static constexpr TimerGameTick::Ticks CARGO_AGING_TICKS = 185; 
  static constexpr TimerGameTick::Ticks INDUSTRY_PRODUCE_TICKS = 256; 
  static constexpr TimerGameTick::Ticks TOWN_GROWTH_TICKS = 70;  
  static constexpr TimerGameTick::Ticks INDUSTRY_CUT_TREE_TICKS = INDUSTRY_PRODUCE_TICKS * 2; 
};
 
#endif /* TIMER_GAME_TICK_H */