mirror of
https://github.com/OpenTTD/OpenTTD.git
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2da07f7615
This commit prepares for the next commit, as Emscripten needs to have a way to trigger a single iteration of the main loop. To keep the real changes more clear, this commit only unrolls the loop, and makes no changes to the logic itself.
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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 <http://www.gnu.org/licenses/>.
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*/
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/** @file sdl2_v.h Base of the SDL2 video driver. */
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#ifndef VIDEO_SDL_H
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#define VIDEO_SDL_H
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#include "video_driver.hpp"
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/** The SDL video driver. */
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class VideoDriver_SDL : public VideoDriver {
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public:
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const char *Start(const StringList ¶m) override;
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void Stop() override;
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void MakeDirty(int left, int top, int width, int height) override;
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void MainLoop() override;
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bool ChangeResolution(int w, int h) override;
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bool ToggleFullscreen(bool fullscreen) override;
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bool AfterBlitterChange() override;
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void AcquireBlitterLock() override;
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void ReleaseBlitterLock() override;
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bool ClaimMousePointer() override;
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void EditBoxGainedFocus() override;
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void EditBoxLostFocus() override;
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const char *GetName() const override { return "sdl"; }
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private:
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int PollEvent();
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void LoopOnce();
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void MainLoopCleanup();
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bool CreateMainSurface(uint w, uint h, bool resize);
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/**
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* This is true to indicate that keyboard input is in text input mode, and SDL_TEXTINPUT events are enabled.
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*/
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bool edit_box_focused;
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uint32 cur_ticks;
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uint32 last_cur_ticks;
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uint32 next_tick;
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std::thread draw_thread;
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std::unique_lock<std::recursive_mutex> draw_lock;
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};
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/** Factory for the SDL video driver. */
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class FVideoDriver_SDL : public DriverFactoryBase {
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public:
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FVideoDriver_SDL() : DriverFactoryBase(Driver::DT_VIDEO, 5, "sdl", "SDL Video Driver") {}
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Driver *CreateInstance() const override { return new VideoDriver_SDL(); }
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};
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#endif /* VIDEO_SDL_H */
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