#include <u.h>#include <libc.h>#include <stdio.h>#include "dat.h"#include "fns.h" extern void M_PopMenu(void); static menuframework_t vmenu;static menuslider_t ssizeslide, gammaslide;static menulist_t fullscrbox;static menuaction_t applyaction, defaultsaction;  voidvmssize(void *s){	Cvar_SetValue("viewsize", ((menuslider_t *)s)->curvalue * 10);} voidvmgamma(void *s){	// invert sense so greater = brighter, and scale to a range of 0.5 to 1.3	Cvar_SetValue("vid_gamma", 0.8 - (((menuslider_t *)s)->curvalue/10.0 - 0.5) + 0.5);} voidvmreset(void *){	VID_MenuInit();} voidvmapply(void *){	Cvar_SetValue("vid_gamma", 0.8 - (gammaslide.curvalue/10.0 - 0.5) + 0.5);	Cvar_SetValue("vid_fullscreen", fullscrbox.curvalue);	M_ForceMenuOff(cls.state == ca_active);} voidVID_MenuInit(void){	static char *yesno[] = {"no", "yes", nil}; 	if(!scr_viewsize)		scr_viewsize = Cvar_Get("viewsize", "100", CVAR_ARCHIVE);	ssizeslide.curvalue = scr_viewsize->value/10; 	vmenu.x = vid.width * 0.50;	vmenu.nitems = 0; 	ssizeslide.generic.type = MTYPE_SLIDER;	ssizeslide.generic.x = 0;	ssizeslide.generic.y = 20;	ssizeslide.generic.name = "screen size";	ssizeslide.minvalue = 3;	ssizeslide.maxvalue = 12;	ssizeslide.generic.callback = vmssize; 	gammaslide.generic.type = MTYPE_SLIDER;	gammaslide.generic.x = 0;	gammaslide.generic.y = 30;	gammaslide.generic.name = "gamma";	gammaslide.generic.callback = vmgamma;	gammaslide.minvalue = 5;	gammaslide.maxvalue = 13;	gammaslide.curvalue = (1.3 - vid_gamma->value + 0.5) * 10; 	fullscrbox.generic.type = MTYPE_SPINCONTROL;	fullscrbox.generic.x = 0;	fullscrbox.generic.y = 40;	fullscrbox.generic.name = "fullscreen";	fullscrbox.itemnames = yesno;	fullscrbox.curvalue = vid_fullscreen->value; 	defaultsaction.generic.type = MTYPE_ACTION;	defaultsaction.generic.name = "reset to default";	defaultsaction.generic.x = 0;	defaultsaction.generic.y = 90;	defaultsaction.generic.callback = vmreset; 	applyaction.generic.type = MTYPE_ACTION;	applyaction.generic.name = "apply";	applyaction.generic.x = 0;	applyaction.generic.y = 100;	applyaction.generic.callback = vmapply; 	Menu_AddItem(&vmenu, (void *)&ssizeslide);	Menu_AddItem(&vmenu, (void *)&gammaslide);	Menu_AddItem(&vmenu, (void *)&fullscrbox);	Menu_AddItem(&vmenu, (void *)&defaultsaction);	Menu_AddItem(&vmenu, (void *)&applyaction); 	Menu_Center(&vmenu);	vmenu.x -= 8;} voidVID_MenuDraw(void){	int w, h; 	Draw_GetPicSize(&w, &h, "m_banner_video");	Draw_Pic(vid.width/2 - w/2, vid.height/2 - 110, "m_banner_video");	Menu_AdjustCursor(&vmenu, 1);	// starting position	Menu_Draw(&vmenu);} char *VID_MenuKey (int key){	static char *sound = "misc/menu1.wav"; 	switch(key){	case K_ESCAPE:		M_PopMenu();		return NULL;	case K_UPARROW:		vmenu.cursor--;		Menu_AdjustCursor(&vmenu, -1);		break;	case K_DOWNARROW:		vmenu.cursor++;		Menu_AdjustCursor(&vmenu, 1);		break;	case K_LEFTARROW:		Menu_SlideItem(&vmenu, -1);		break;	case K_RIGHTARROW:		Menu_SlideItem(&vmenu, 1);		break;	case K_ENTER:		Menu_SelectItem(&vmenu);		break;	}	return sound;}