76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
//
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// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2004-2015 Ingo Ruhnke <grumbel@gmx.de>
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// Copyright (C) 2006-2015 SuperTuxKart-Team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifndef HEADER_MAIN_LOOP_HPP
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#define HEADER_MAIN_LOOP_HPP
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#include "utils/synchronised.hpp"
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#include "utils/types.hpp"
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#include <atomic>
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/** Management class for the whole gameflow, this is where the
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main-loop is */
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class MainLoop
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{
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private:
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/** True if the main loop should exit. */
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std::atomic_bool m_abort;
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std::atomic_bool m_request_abort;
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/** True if the frame rate should be throttled. */
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bool m_throttle_fps;
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bool m_frame_before_loading_world;
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Synchronised<int> m_ticks_adjustment;
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uint64_t m_curr_time;
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uint64_t m_prev_time;
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unsigned m_parent_pid;
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float getLimitedDt();
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void updateRace(int ticks);
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public:
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MainLoop(unsigned parent_pid);
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~MainLoop();
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void run();
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/** Set the abort flag, causing the mainloop to be left. */
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void abort() { m_abort = true; }
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void requestAbort() { m_request_abort = true; }
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void setThrottleFPS(bool throttle) { m_throttle_fps = throttle; }
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// ------------------------------------------------------------------------
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/** Returns true if STK is to be stoppe. */
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bool isAborted() const { return m_abort; }
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// ------------------------------------------------------------------------
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void setFrameBeforeLoadingWorld() { m_frame_before_loading_world = true; }
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// ------------------------------------------------------------------------
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void setTicksAdjustment(int ticks)
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{
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m_ticks_adjustment.lock();
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m_ticks_adjustment.getData() += ticks;
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m_ticks_adjustment.unlock();
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}
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}; // MainLoop
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extern MainLoop* main_loop;
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#endif
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/* EOF */
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