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/* $Id$ */

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/** @file null_v.cpp The videio driver that doesn't blit. */

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#include "../stdafx.h"

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#include "../openttd.h"

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#include "../gfx_func.h"

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#include "../variables.h"

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#include "../debug.h"

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#include "../blitter/factory.hpp"

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#include "null_v.h"

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static FVideoDriver_Null iFVideoDriver_Null;

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const char *VideoDriver_Null::Start(const char* const *parm)

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{

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	this->ticks = GetDriverParamInt(parm, "ticks", 1000);

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	_screen.width = _screen.pitch = _cur_resolution[0];

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	_screen.height = _cur_resolution[1];

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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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	BlitterFactoryBase::SelectBlitter("null");

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	return NULL;

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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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	for (i = 0; i < this->ticks; i++) {

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		GameLoop();

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		_screen.dst_ptr = NULL;

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		UpdateWindows();

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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; }