OpenTTD: src/video/null_v.cpp Source File

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null_v.cpp
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1 /* $Id: null_v.cpp 26482 2014-04-23 20:13:33Z rubidium $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * 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.
6 * 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.
7 * 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/>.
8 */
9
12 #include "../stdafx.h"
13 #include "../gfx_func.h"
14 #include "../blitter/factory.hpp"
15 #include "null_v.h"
16
17 #include "../safeguards.h"
18
20 static FVideoDriver_Null iFVideoDriver_Null;
21
22 const char *VideoDriver_Null::Start(const char * const *parm)
23 {
24 #ifdef _MSC_VER
25 /* Disable the MSVC assertion message box. */
26 _set_error_mode(_OUT_TO_STDERR);
27 #endif
28
29 this->ticks = GetDriverParamInt(parm, "ticks", 1000);
30 _screen.width = _screen.pitch = _cur_resolution.width;
31 _screen.height = _cur_resolution.height;
32 _screen.dst_ptr = NULL;
33 ScreenSizeChanged();
34
35 /* Do not render, nor blit */
36 DEBUG(misc, 1, "Forcing blitter 'null'...");
37 BlitterFactory::SelectBlitter("null");
38 return NULL;
39 }
40
41 void VideoDriver_Null::Stop() { }
42
43 void VideoDriver_Null::MakeDirty(int left, int top, int width, int height) {}
44
45 void VideoDriver_Null::MainLoop()
46 {
47 uint i;
48
49 for (i = 0; i < this->ticks; i++) {
50 GameLoop();
51 UpdateWindows();
52 }
53 }
54
55 bool VideoDriver_Null::ChangeResolution(int w, int h) { return false; }
56
57 bool VideoDriver_Null::ToggleFullscreen(bool fs) { return false; }