OpenTTD
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 
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'...");
38  return NULL;
39 }
40 
42 
43 void VideoDriver_Null::MakeDirty(int left, int top, int width, int height) {}
44 
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; }
Factory the null video driver.
Definition: null_v.h:39
uint ticks
Amount of ticks to run.
Definition: null_v.h:20
void MainLoop()
Perform the actual drawing.
Definition: null_v.cpp:45
Dimension _cur_resolution
The current resolution.
Definition: driver.cpp:24
bool ChangeResolution(int w, int h)
Change the resolution of the window.
Definition: null_v.cpp:55
static Blitter * SelectBlitter(const char *name)
Find the requested blitter and return his class.
Definition: factory.hpp:96
void Stop()
Stop this driver.
Definition: null_v.cpp:41
void MakeDirty(int left, int top, int width, int height)
Mark a particular area dirty.
Definition: null_v.cpp:43
Base of the video driver that doesn&#39;t blit.
static FVideoDriver_Null iFVideoDriver_Null
Factory for the null video driver.
Definition: null_v.cpp:20
#define DEBUG(name, level,...)
Output a line of debugging information.
Definition: debug.h:39
int GetDriverParamInt(const char *const *parm, const char *name, int def)
Get an integer parameter the list of parameters.
Definition: driver.cpp:76
bool ToggleFullscreen(bool fullscreen)
Change the full screen setting.
Definition: null_v.cpp:57
const char * Start(const char *const *param)
Start this driver.
Definition: null_v.cpp:22
void UpdateWindows()
Update the continuously changing contents of the windows, such as the viewports.
Definition: window.cpp:3067