/***
*
*   Copyright (c) 2016-2019 Marco 'eukara' Hladik. All rights reserved.
* 
* 	See the file LICENSE attached with the sources for usage details.
*
****/

CWidget fn_vidoptions;
CMainButton vo_btnDone;
CSlider vo_sldScreensize;
CSlider vo_sldGamma;
CSlider vo_sldGlare;

/* Button Callbacks */
void vo_btndone_start(void)
{
	static void vo_btndone_end(void) {
		g_menupage = PAGE_VIDEO;
	}
	localsound("../media/launch_dnmenu1.wav");
	header.SetStartEndPos(45, 45, 50, 140);
	header.SetStartEndSize(460, 80, 156, 26);
	header.m_lerp = 0.0f;
	header.m_visible = TRUE;
	header.SetHeader(HEAD_VIDOPTIONS);
	header.SetExecute(vo_btndone_end);
}
void vo_sldscreensize_changed(float val)
{
	cvar_set("viewsize", ftos(floor(val * 120)));
}
void vo_sldgamma_changed(float val)
{
	cvar_set("gamma", ftos(val) );
}
void vo_sldglare_changed(float val)
{
	cvar_set("brightness", ftos(val * 0.5) );
}

/* Init */
void menu_videooptions_init(void)
{
	fn_vidoptions = spawn(CWidget);
	vo_btnDone = spawn(CMainButton);
	vo_btnDone.SetImage(BTN_DONE);
	vo_btnDone.SetExecute(vo_btndone_start);
	vo_btnDone.SetPos(50, 293);
	Widget_Add(fn_vidoptions, vo_btnDone);
	
	vo_sldScreensize = spawn(CSlider);
	vo_sldScreensize.SetPos(50,168);
	vo_sldScreensize.SetValue(cvar("viewsize") / 120);
	vo_sldScreensize.SetCallback(vo_sldscreensize_changed);
	Widget_Add(fn_vidoptions, vo_sldScreensize);
	
	vo_sldGamma = spawn(CSlider);
	vo_sldGamma.SetPos(50,219);
	vo_sldGamma.SetValue(cvar("gamma"));
	vo_sldGamma.SetCallback(vo_sldgamma_changed);
	Widget_Add(fn_vidoptions, vo_sldGamma);
	
	vo_sldGlare = spawn(CSlider);
	vo_sldGlare.SetPos(50,270);
	vo_sldGlare.SetValue(cvar("brightness") * 0.5);
	vo_sldGlare.SetCallback(vo_sldglare_changed);
	Widget_Add(fn_vidoptions, vo_sldGlare);
}

/* Drawing */
void menu_videooptions_draw(void)
{
	Widget_Draw(fn_vidoptions);
	drawpic([g_menuofs[0] + 45, g_menuofs[1] + 45], g_bmp[HEAD_VIDOPTIONS],
			[460,80], [1,1,1], 1.0f, 1);

	drawfill([g_menuofs[0] + 246, g_menuofs[1] + 140], [288, 280], 
			 [1,0,0], 1.0f);
	drawfill([g_menuofs[0] + 247, g_menuofs[1] + 141], [286, 278], 
			 [0.25,0.25,0.25], 1.0f);
	drawpic([g_menuofs[0] + 250, g_menuofs[1] + 141], g_bmp[GAMMA],
			[280,278], [1,1,1], 1.0f, 0);
			
	WLabel_Static(50, 143, m_reslbl[IDS_VIDEO_SCREENSIZE], 14, 14, [1,1,1],
					1.0f, 0, font_label_b);
	WLabel_Static(50, 193, m_reslbl[IDS_VIDEO_GAMMA], 14, 14, [1,1,1],
					1.0f, 0, font_label_b);
	WLabel_Static(50, 245, m_reslbl[IDS_VIDEO_GLARE], 14, 14, [1,1,1],
					1.0f, 0, font_label_b);
}

/* Input */
void menu_videooptions_input(float evtype, float x, float y, float devid)
{
	Widget_Input(fn_vidoptions, evtype, x, y, devid);
}