82 lines
2.6 KiB
C++
82 lines
2.6 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 null_v.cpp The video driver that doesn't blit. */
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#include "../stdafx.h"
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#include "../console_func.h"
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#include "../date_func.h"
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#include "../gfx_func.h"
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#include "../blitter/factory.hpp"
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#include "../saveload/saveload.h"
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#include "../window_func.h"
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#include "null_v.h"
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#include "../safeguards.h"
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/** Factory for the null video driver. */
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static FVideoDriver_Null iFVideoDriver_Null;
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const char *VideoDriver_Null::Start(const StringList &parm)
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{
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#ifdef _MSC_VER
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/* Disable the MSVC assertion message box. */
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_set_error_mode(_OUT_TO_STDERR);
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#endif
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this->UpdateAutoResolution();
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this->ticks = GetDriverParamInt(parm, "ticks", 1000);
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this->savefile = GetDriverParam(parm, "save");
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_screen.width = _screen.pitch = _cur_resolution.width;
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_screen.height = _cur_resolution.height;
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_screen.dst_ptr = nullptr;
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ScreenSizeChanged();
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/* Do not render, nor blit */
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Debug(misc, 1, "Forcing blitter 'null'...");
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BlitterFactory::SelectBlitter("null");
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return nullptr;
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}
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void VideoDriver_Null::Stop() { }
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void VideoDriver_Null::MakeDirty(int left, int top, int width, int height) {}
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void VideoDriver_Null::MainLoop()
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{
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uint i;
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uint16 old_tick;
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for (i = 0; i < this->ticks; ) {
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old_tick = _tick_counter;
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::GameLoop();
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::InputLoop();
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::UpdateWindows();
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if (old_tick != _tick_counter) i++;
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else _pause_mode = PM_UNPAUSED;
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}
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fprintf(stderr, "Null driver ran for %u tics, save: %s\n", this->ticks, this->savefile.c_str());
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if (!this->savefile.empty()) {
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if (SaveOrLoad(this->savefile.c_str(), SLO_SAVE, DFT_GAME_FILE, SAVE_DIR) != SL_OK) {
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IConsolePrint(CC_ERROR, "Error saving the final game state.");
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} else {
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IConsolePrint(CC_DEFAULT, "Saved the final game state to {}", this->savefile);
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}
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}
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/* If requested, make a save just before exit. The normal exit-flow is
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* not triggered from this driver, so we have to do this manually. */
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if (_settings_client.gui.autosave_on_exit) {
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DoExitSave();
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}
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}
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bool VideoDriver_Null::ChangeResolution(int w, int h) { return false; }
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bool VideoDriver_Null::ToggleFullscreen(bool fs) { return false; }
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