/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.  
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/
/*
 * $Source: /cvsroot/dxx-rebirth/d1x-rebirth/main/menu.c,v $
 * $Revision: 1.1.1.1 $
 * $Author: zicodxx $
 * $Date: 2006/03/17 19:43:27 $
 *
 * Inferno main menu.
 *
 * 
 *
 */

#ifdef RCS
#pragma off (unreferenced)
static char rcsid[] = "$Id: menu.c,v 1.1.1.1 2006/03/17 19:43:27 zicodxx Exp $";
#pragma on (unreferenced)
#endif

#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdarg.h>
#include <errno.h>

#include "menu.h"
#include "inferno.h"
#include "game.h"
#include "gr.h"
#include "key.h"
#include "iff.h"
#include "u_mem.h"
#include "error.h"
#include "bm.h"
#include "screens.h"
#include "mono.h"
#include "joy.h"
#include "vecmat.h"
#include "effects.h"
#include "slew.h"
#include "gamemine.h"
#include "gamesave.h"
#include "palette.h"
#include "args.h"
#include "newdemo.h"
#include "timer.h"
#include "sounds.h"
#include "gameseq.h"
#include "text.h"
#include "gamefont.h"
#include "newmenu.h"
#include "network.h"
#include "scores.h"
#include "joydefs.h"
#include "modem.h"
#include "playsave.h"
#include "multi.h"
#include "kconfig.h"
#include "titles.h"
#include "credits.h"
#include "texmap.h"
#include "polyobj.h"
#include "state.h"
#include "mission.h"
#include "songs.h"
#include "config.h"
#include "reorder.h"
#include "d_glob.h"

#include "cfile.h"

//added on 9/20/98 by Victor Rachels in attempt to add screnres changing
#include "gauges.h"
//end this section addition - Victor Rachels

//add on 2/2/99 by Victor Rachels
#include "ban.h"
//end this section addition

#include "hudmsg.h" //for HUD_max_num_disp

#include "d_delay.h" //for SUPPORTS_NICEFPS

#include "ipx.h"


#ifdef EDITOR
#include "editor/editor.h"
#endif

void do_option(int select);
void do_detail_level_menu_custom(void);
void do_multi_player_menu();
void do_ipx_multi_player_menu();
void do_kali_multi_player_menu();
void do_ip_multi_player_menu();
void do_ip_manual_join_menu();
void do_ip_serv_connect_menu();
void do_new_game_menu();
void do_load_game_menu();

//char *menu_difficulty_text[] = { "Trainee", "Rookie", "Fighter", "Hotshot", "Insane" };
//char *menu_detail_text[] = { "Lowest", "Low", "Medium", "High", "Highest", "", "Custom..." };

#define MENU_NEW_GAME            0
#define MENU_GAME                1
#define MENU_EDITOR              2
#define MENU_VIEW_SCORES         3
#define MENU_QUIT                4
#define MENU_LOAD_GAME           5
#define MENU_SAVE_GAME           6
#define MENU_DEMO_PLAY           8
#define MENU_LOAD_LEVEL          9
#define MENU_START_NETGAME      10
#define MENU_JOIN_NETGAME       11
#define MENU_CONFIG             13
#define MENU_REJOIN_NETGAME     14
#define MENU_DIFFICULTY         15
#define MENU_START_SERIAL       18
#define MENU_HELP               19
#define MENU_NEW_PLAYER         20
#ifdef NETWORK
#define MENU_MULTIPLAYER        21
#endif
#define MENU_STOP_MODEM         22
#define MENU_SHOW_CREDITS       23
#define MENU_ORDER_INFO         24
#define MENU_PLAY_SONG          25
#ifdef NETWORK
#define MENU_IPX_MULTIPLAYER    26
#define MENU_KALI_MULTIPLAYER   27
#define MENU_IP_MULTIPLAYER     28
#define	MENU_IP_SERV_CONNECT    29
#define MENU_MANUAL_IP_JOIN     30
#endif

//ADD_ITEM("Start netgame...", MENU_START_NETGAME, -1 );
//ADD_ITEM("Send net message...", MENU_SEND_NET_MESSAGE, -1 );

#define ADD_ITEM(t,value,key)  do { m[num_options].type=NM_TYPE_MENU; m[num_options].text=t; menu_choice[num_options]=value;num_options++; } while (0)

extern int last_joy_time;		//last time the joystick was used
#ifndef NDEBUG
/* extern int speedtest_on; adb: not found...*/
#define speedtest_on 0
#else
#define speedtest_on 0
#endif

ubyte do_auto_demo = 1;			// Flag used to enable auto demo starting in main menu.
int Player_default_difficulty; // Last difficulty level chosen by the player
int Auto_leveling_on = 0;
int Menu_draw_copyright = 0;

void autodemo_menu_check(int nitems, newmenu_item * items, int *last_key, int citem )
{
	int curtime;

	nitems = nitems;
	items=items;
	citem = citem;

	//draw copyright message
	if ( Menu_draw_copyright )		{
		Menu_draw_copyright = 0;
		gr_set_current_canvas(NULL);
		gr_set_curfont(GAME_FONT);
		gr_set_fontcolor(BM_XRGB(6,6,6),-1);
		gr_printf(0x8000,grd_curcanv->cv_bitmap.bm_h-GAME_FONT->ft_h-2,TXT_COPYRIGHT);
	}
	
	// Don't allow them to hit ESC in the main menu.
	if (*last_key==KEY_ESC) *last_key = 0;

	if ( do_auto_demo )	{
		curtime = timer_get_approx_seconds();
		//if ( ((keyd_time_when_last_pressed+i2f(20)) < curtime) && ((last_joy_time+i2f(20)) < curtime) && (!speedtest_on)  ) {
		if ( ((keyd_time_when_last_pressed+i2f(45)) < curtime) && (!speedtest_on)  ) {
			keyd_time_when_last_pressed = curtime;			// Reset timer so that disk won't thrash if no demos.
			newdemo_start_playback(NULL);		// Randomly pick a file
			if (Newdemo_state == ND_STATE_PLAYBACK)	{
				Function_mode = FMODE_GAME;
				*last_key = -2;							  	
			}
		}
	}
}

//static int First_time = 1;
static int main_menu_choice = 0;

//	-----------------------------------------------------------------------------
//	Create the main menu.
void create_main_menu(newmenu_item *m, int *menu_choice, int *callers_num_options)
{
	int	num_options;

	#ifndef DEMO_ONLY
	num_options = 0;

//	//	Move down to allow for space to display "Destination Saturn"
//	if (Saturn) {
//		int	i;
//
//		for (i=0; i<4; i++)
//			ADD_ITEM("", 0, -1);
//
//		if (First_time) {
//			main_menu_choice = 4;
//			First_time = 0;
//		}
//	}

	set_screen_mode (SCREEN_MENU);

	VR_screen_mode = Game_screen_mode = SM(VR_render_width,VR_render_height);

	if (FindArg("-menu_gameres")) { // ZICO - set players resolution ofter player is selected
		gr_set_mode(SM(VR_render_width,VR_render_height));
		set_screen_mode(SCREEN_GAME);
	}

	ADD_ITEM(TXT_NEW_GAME,MENU_NEW_GAME,KEY_N);

#ifdef SHAREWARE
	if (get_game_list(NULL)>0)
#endif

  	ADD_ITEM(TXT_LOAD_GAME,MENU_LOAD_GAME,KEY_L);

#ifdef NETWORK
	ADD_ITEM(TXT_MULTIPLAYER_,MENU_MULTIPLAYER,-1);
#endif

	ADD_ITEM(TXT_OPTIONS_, MENU_CONFIG, -1 );
	ADD_ITEM(TXT_CHANGE_PILOTS,MENU_NEW_PLAYER,unused);
	ADD_ITEM(TXT_VIEW_DEMO,MENU_DEMO_PLAY,0);
	ADD_ITEM(TXT_VIEW_SCORES,MENU_VIEW_SCORES,KEY_V);
	#ifdef SHAREWARE
	ADD_ITEM(TXT_ORDERING_INFO,MENU_ORDER_INFO,-1);
	#endif
	ADD_ITEM(TXT_CREDITS,MENU_SHOW_CREDITS,-1);
	#endif
	ADD_ITEM(TXT_QUIT,MENU_QUIT,KEY_Q);

        #ifndef RELEASE
	if (!(Game_mode & GM_MULTI ))	{
		//m[num_options].type=NM_TYPE_TEXT;
		//m[num_options++].text=" Debug options:";

		ADD_ITEM("  Load level...",MENU_LOAD_LEVEL ,KEY_N);
		#ifdef EDITOR
		ADD_ITEM("  Editor", MENU_EDITOR, KEY_E);
		#endif
	}

	ADD_ITEM( "  Play song", MENU_PLAY_SONG, -1 );
        #endif

	*callers_num_options = num_options;
}

//returns number of item chosen
int DoMenu() 
{

	int menu_choice[25];
	newmenu_item m[25];
	int num_options = 0;

	if ( Players[Player_num].callsign[0]==0 )	{
		RegisterPlayer();
		return 0;
	}
	
	if ((Game_mode & GM_SERIAL) || (Game_mode & GM_MODEM)) {
		do_option(MENU_START_SERIAL);
		return 0;
	}

	create_main_menu(m, menu_choice, &num_options);

	do {
		keyd_time_when_last_pressed = timer_get_fixed_seconds();		// .. 20 seconds from now!
		if (main_menu_choice < 0 )	main_menu_choice = 0;		
		Menu_draw_copyright = 1;
                //added on 11/19/98 by Victor Rachels to add immediate join/start
                 if(start_net_immediately == 1){
					if ( gr_palette_faded_out )	{//fix black screen with -startnetgame
						gr_palette_fade_in( gr_palette, 32, 0 );
					}
                    do_option(MENU_START_NETGAME);
                    start_net_immediately = 0;
				 }
                 else if(start_net_immediately == 2)
                  {
                    do_option(MENU_JOIN_NETGAME);
                    start_net_immediately = 0;
                  }
                 else
                  {
                //end this section addition - VR
                   extern int Menu_Special;
                    Menu_Special = 1;
                    main_menu_choice = newmenu_do2(NULL, NULL, num_options, m, autodemo_menu_check, main_menu_choice, Menu_pcx_name);
                    if ( main_menu_choice > -1 ) do_option(menu_choice[main_menu_choice]);
                  }
		create_main_menu(m, menu_choice, &num_options);	//	may have to change, eg, maybe selected pilot and no save games.
	} while( Function_mode==FMODE_MENU );

//	if (main_menu_choice != -2)
//		do_auto_demo = 0;		// No more auto demos
	if ( Function_mode==FMODE_GAME )	
		gr_palette_fade_out( gr_palette, 32, 0 );

	return main_menu_choice;
}

extern void show_order_form(void);	// John didn't want this in inferno.h so I just externed it.

//returns flag, true means quit menu
void do_option ( int select) 
{
	switch (select) {
		case MENU_NEW_GAME:
			do_new_game_menu();
			break;
		case MENU_GAME:
			break;
		case MENU_DEMO_PLAY:
			{ 
				char demo_file[16];
				if (newmenu_get_filename( TXT_SELECT_DEMO, "*.dem", demo_file, 1 ))	{
					newdemo_start_playback(demo_file);
				}
			}
			break;
		case MENU_LOAD_GAME:
#ifdef SHAREWARE
			do_load_game_menu();
#else
			state_restore_all(0);	
#endif
			break;
		#ifdef EDITOR
		case MENU_EDITOR:
			Function_mode = FMODE_EDITOR;
			init_cockpit();
			break;
		#endif
		case MENU_VIEW_SCORES:
			gr_palette_fade_out( gr_palette,32,0 );
			scores_view(-1);
			break;
		#ifdef SHAREWARE
		case MENU_ORDER_INFO:
			show_order_form();
			break;
		#endif
		case MENU_QUIT:
			#ifdef EDITOR
			if (! SafetyCheck()) break;
			#endif
			gr_palette_fade_out( gr_palette,32,0);
			Function_mode = FMODE_EXIT;
			break;
		case MENU_NEW_PLAYER:
			RegisterPlayer();		//1 == allow escape out of menu
			break;

		case MENU_HELP:
			do_show_help();
			break;

                #ifndef RELEASE

		case MENU_PLAY_SONG:	{
				int i;
				char * m[MAX_SONGS];

				for (i=0;i<MAX_SONGS;i++) {
					m[i] = Songs[i].filename;
				}
				i = newmenu_listbox( "Select Song", MAX_SONGS, m, 1, NULL );

				if ( i > -1 )	{
					songs_play_song( i, 0 );
				}
			}
			break;
		case MENU_LOAD_LEVEL: {
			newmenu_item m;
			char text[10]="";
			int new_level_num;

			m.type=NM_TYPE_INPUT; m.text_len = 10; m.text = text;

			newmenu_do( NULL, "Enter level to load", 1, &m, NULL );

			new_level_num = atoi(m.text);

			if (new_level_num!=0 && new_level_num>=Last_secret_level && new_level_num<=Last_level)	{
				gr_palette_fade_out( gr_palette, 32, 0 );
				StartNewGame(new_level_num);
			}

			break;
		}
                #endif


		case MENU_START_NETGAME:
#ifdef NETWORK
//temp!
#ifndef SHAREWARE
			load_mission(0);
#endif
                        read_player_file();
			network_start_game();
#endif
			break;
		case MENU_JOIN_NETGAME:
//temp!
#ifdef NETWORK
#ifndef SHAREWARE
			load_mission(0);
#endif
                        read_player_file();
			network_join_game();
#endif
			break;
#ifdef NETWORK
		case MENU_IPX_MULTIPLAYER:
			do_ipx_multi_player_menu();
			break;
		case MENU_KALI_MULTIPLAYER:
			do_kali_multi_player_menu();
			break;
#ifdef SUPPORTS_NET_IP
		case MENU_IP_MULTIPLAYER:
			do_ip_multi_player_menu();
			break;
		case MENU_IP_SERV_CONNECT:
			do_ip_serv_connect_menu();
			break;
		case MENU_MANUAL_IP_JOIN:
			do_ip_manual_join_menu();
			break;
#endif
		case MENU_START_SERIAL:
			com_main_menu();
			break;
		case MENU_MULTIPLAYER:
			do_multi_player_menu();
			break;
#endif //NETWORK
		case MENU_CONFIG:
			do_options_menu();
			break;
		case MENU_SHOW_CREDITS:
			gr_palette_fade_out( gr_palette,32,0);
			credits_show();	
			break;
		default:
			Error("Unknown option %d in do_option",select);
			break;
        }

}

int do_difficulty_menu()
{
	int s;
	newmenu_item m[5];

	m[0].type=NM_TYPE_MENU; m[0].text=MENU_DIFFICULTY_TEXT(0);
	m[1].type=NM_TYPE_MENU; m[1].text=MENU_DIFFICULTY_TEXT(1);
	m[2].type=NM_TYPE_MENU; m[2].text=MENU_DIFFICULTY_TEXT(2);
	m[3].type=NM_TYPE_MENU; m[3].text=MENU_DIFFICULTY_TEXT(3);
	m[4].type=NM_TYPE_MENU; m[4].text=MENU_DIFFICULTY_TEXT(4);

	s = newmenu_do1( NULL, TXT_DIFFICULTY_LEVEL, NDL, m, NULL, Difficulty_level);

	if (s > -1 )	{
		if (s != Difficulty_level)
		{	
			Player_default_difficulty = s;
			write_player_file();
		}
		Difficulty_level = s;
		mprintf((0, "%s %s %i\n", TXT_DIFFICULTY_LEVEL, TXT_SET_TO, Difficulty_level));
		return 1;
	}
	return 0;
}

int	Max_debris_objects, Max_objects_onscreen_detailed;
int	Max_linear_depth_objects;

byte	Object_complexity=2, Object_detail=2;
byte	Wall_detail=2, Wall_render_depth=2, Debris_amount=2, SoundChannels = 2;

byte	Render_depths[NUM_DETAIL_LEVELS-1] =								{ 6,  9, 12, 15, 20};
byte	Max_perspective_depths[NUM_DETAIL_LEVELS-1] =					{ 1,  2,  3,  5,  8};
byte	Max_linear_depths[NUM_DETAIL_LEVELS-1] =							{ 3,  5,  7, 10, 17};
byte	Max_linear_depths_objects[NUM_DETAIL_LEVELS-1] =				{ 1,  2,  3,  5, 12};
byte	Max_debris_objects_list[NUM_DETAIL_LEVELS-1] =					{ 2,  4,  7, 10, 15};
byte	Max_objects_onscreen_detailed_list[NUM_DETAIL_LEVELS-1] =	{ 2,  4,  7, 10, 15};
byte	Smts_list[NUM_DETAIL_LEVELS-1] =										{ 2,  4,  8, 16, 50};	//	threshold for models to go to lower detail model, gets multiplied by obj->size
byte	Max_sound_channels[NUM_DETAIL_LEVELS-1] =							{ 2,  4,  8, 12, 16};

//	-----------------------------------------------------------------------------
//	Set detail level based stuff.
//	Note: Highest detail level (detail_level == NUM_DETAIL_LEVELS-1) is custom detail level.
void set_detail_level_parameters(int detail_level)
{
	Assert((detail_level >= 0) && (detail_level < NUM_DETAIL_LEVELS));

	if (detail_level < NUM_DETAIL_LEVELS-1) {
		Render_depth = Render_depths[detail_level];
		Max_perspective_depth = Max_perspective_depths[detail_level];
		Max_linear_depth = Max_linear_depths[detail_level];
		Max_linear_depth_objects = Max_linear_depths_objects[detail_level];

		Max_debris_objects = Max_debris_objects_list[detail_level];
		Max_objects_onscreen_detailed = Max_objects_onscreen_detailed_list[detail_level];

		Simple_model_threshhold_scale = Smts_list[detail_level];

		digi_set_max_channels( Max_sound_channels[ detail_level ] );

		//	Set custom menu defaults.
		Object_complexity = detail_level;
		Wall_render_depth = detail_level;
		Object_detail = detail_level;
		Wall_detail = detail_level;
		Debris_amount = detail_level;
		SoundChannels = detail_level;

	}
}

//	-----------------------------------------------------------------------------
void do_detail_level_menu(void)
{
	int s;
	newmenu_item m[7];

	m[0].type=NM_TYPE_MENU; m[0].text=MENU_DETAIL_TEXT(0);
	m[1].type=NM_TYPE_MENU; m[1].text=MENU_DETAIL_TEXT(1);
	m[2].type=NM_TYPE_MENU; m[2].text=MENU_DETAIL_TEXT(2);
	m[3].type=NM_TYPE_MENU; m[3].text=MENU_DETAIL_TEXT(3);
	m[4].type=NM_TYPE_MENU; m[4].text=MENU_DETAIL_TEXT(4);
	m[5].type=NM_TYPE_TEXT; m[5].text="";
	m[6].type=NM_TYPE_MENU; m[6].text=MENU_DETAIL_TEXT(5);

	s = newmenu_do1( NULL, TXT_DETAIL_LEVEL , NDL+2, m, NULL, Detail_level);

	if (s > -1 )	{
		switch (s)	{
			case 0:
			case 1:
			case 2:
			case 3:
			case 4:
				Detail_level = s;
				mprintf((0, "Detail level set to %i\n", Detail_level));
				set_detail_level_parameters(Detail_level);
				break;
			case 6:
				Detail_level = 5;
				do_detail_level_menu_custom();
				break;
		}
	}

}

//	-----------------------------------------------------------------------------
void do_detail_level_menu_custom_menuset(int nitems, newmenu_item * items, int *last_key, int citem )
{
	nitems = nitems;
	*last_key = *last_key;
	citem = citem;

	Object_complexity = items[0].value;
	Object_detail = items[1].value;
	Wall_detail = items[2].value;
	Wall_render_depth = items[3].value;
	Debris_amount = items[4].value;
	SoundChannels = items[5].value;

}

void set_custom_detail_vars(void)
{
	Render_depth = Render_depths[Wall_render_depth];

	Max_perspective_depth = Max_perspective_depths[Wall_detail];
	Max_linear_depth = Max_linear_depths[Wall_detail];

	Max_debris_objects = Max_debris_objects_list[Debris_amount];

	Max_objects_onscreen_detailed = Max_objects_onscreen_detailed_list[Object_complexity];
	Simple_model_threshhold_scale = Smts_list[Object_complexity];
	Max_linear_depth_objects = Max_linear_depths_objects[Object_detail];

	digi_set_max_channels( Max_sound_channels[ SoundChannels ] );
}

//	-----------------------------------------------------------------------------
void do_detail_level_menu_custom(void)
{
	int	s=0;
	newmenu_item m[7];

	do {
		m[0].type = NM_TYPE_SLIDER;
		m[0].text = TXT_OBJ_COMPLEXITY;
		m[0].value = Object_complexity;
		m[0].min_value = 0;
		m[0].max_value = NDL-1;

		m[1].type = NM_TYPE_SLIDER;
		m[1].text = TXT_OBJ_DETAIL;
		m[1].value = Object_detail;
		m[1].min_value = 0;
		m[1].max_value = NDL-1;

		m[2].type = NM_TYPE_SLIDER;
		m[2].text = TXT_WALL_DETAIL;
		m[2].value = Wall_detail;
		m[2].min_value = 0;
		m[2].max_value = NDL-1;

		m[3].type = NM_TYPE_SLIDER;
		m[3].text = TXT_WALL_RENDER_DEPTH;
		m[3].value = Wall_render_depth;
		m[3].min_value = 0;
		m[3].max_value = NDL-1;

		m[4].type = NM_TYPE_SLIDER;
		m[4].text= TXT_DEBRIS_AMOUNT;
		m[4].value = Debris_amount;
		m[4].min_value = 0;
		m[4].max_value = NDL-1;

		m[5].type = NM_TYPE_SLIDER;
		m[5].text= TXT_SOUND_CHANNELS;
		m[5].value = SoundChannels;
		m[5].min_value = 0;
		m[5].max_value = NDL-1;

		m[6].type = NM_TYPE_TEXT;
		m[6].text= TXT_LO_HI;

		s = newmenu_do1( NULL, TXT_DETAIL_CUSTOM, 7, m, do_detail_level_menu_custom_menuset, s);
	} while (s > -1);

	set_custom_detail_vars();
}

void do_new_game_menu()
{
	int new_level_num,player_highest_level;

#ifndef SHAREWARE
	int n_missions = build_mission_list(0);

	if (n_missions > 1) {
		int new_mission_num,i, default_mission;
		char * m[MAX_MISSIONS];

		default_mission = 0;
		for (i=0;i<n_missions;i++) {
			m[i] = Mission_list[i].mission_name;
			if ( !strcasecmp( m[i], config_last_mission ) )	
				default_mission = i;
		}

		new_mission_num = newmenu_listbox1( "New Game\n\nSelect mission", n_missions, m, 1, default_mission, NULL );

		if (new_mission_num == -1)
			return;		//abort!

		strcpy(config_last_mission, m[new_mission_num]  );
		
		if (!load_mission(new_mission_num)) {
			nm_messagebox( NULL, 1, TXT_OK, "Error in Mission file"); 
			return;
		}
	}
#endif

	new_level_num = 1;

	player_highest_level = get_highest_level();

	if (player_highest_level > Last_level)
		player_highest_level = Last_level;

	if (player_highest_level > 1) {
		newmenu_item m[2];
		char info_text[80];
		char num_text[10];
		int choice;

try_again:
		sprintf(info_text,"%s %d",TXT_START_ANY_LEVEL, player_highest_level);

		m[0].type=NM_TYPE_TEXT; m[0].text = info_text;
		m[1].type=NM_TYPE_INPUT; m[1].text_len = 10; m[1].text = num_text;

		strcpy(num_text,"1");

		choice = newmenu_do( NULL, TXT_SELECT_START_LEV, 2, m, NULL );

		if (choice==-1 || m[1].text[0]==0)
			return;

		new_level_num = atoi(m[1].text);

		if (!(new_level_num>0 && new_level_num<=player_highest_level)) {
			m[0].text = TXT_ENTER_TO_CONT;
			nm_messagebox( NULL, 1, TXT_OK, TXT_INVALID_LEVEL); 
			goto try_again;
		}
	}

	Difficulty_level = Player_default_difficulty;

	if (!do_difficulty_menu())
		return;

	gr_palette_fade_out( gr_palette, 32, 0 );

#ifdef PSX_BUILD_TOOLS
	{
		int i;
		for (i=Last_secret_level; i<=Last_level; i++ )	{
			if ( i!=0 )	
				StartNewGame(i);
		}		
	}
#endif

	StartNewGame(new_level_num);

}

void do_load_game_menu()
{
	newmenu_item m[N_SAVE_SLOTS];
	char *saved_text[N_SAVE_SLOTS];
	int i,choice;

	get_game_list(saved_text);

	for (i=0;i<N_SAVE_SLOTS;i++) {

		if (saved_text[i][0]) {
			m[i].type = NM_TYPE_MENU;
			m[i].text = saved_text[i];
		}
		else {
			m[i].type = NM_TYPE_TEXT;
			m[i].text = TXT_EMPTY;
		}
	}

	choice = newmenu_do( NULL, TXT_LOAD_GAME, N_SAVE_SLOTS, m, NULL );

	if (choice != -1) {
		int ret;

		if ((ret=load_player_game(choice)) == EZERO)
			ResumeSavedGame(Players[Player_num].level);
		else {
			newmenu_item m1[3];

			m1[0].type = NM_TYPE_TEXT;  m1[0].text = strerror(ret);
			m1[1].type = NM_TYPE_TEXT;  m1[1].text = "";
			m1[2].type = NM_TYPE_TEXT;  m1[2].text = TXT_ENTER_TO_CONT;

			newmenu_do( NULL, TXT_ERR_LOADING_GAME, 3, m1, NULL );

		}
	}
}

void do_save_game_menu()
{
	newmenu_item m[N_SAVE_SLOTS];
	char *saved_text_ptrs[N_SAVE_SLOTS];
	char menu_text[N_SAVE_SLOTS][GAME_NAME_LEN+1];		//+1 for terminating zero
	int i,choice;

	get_game_list(saved_text_ptrs);

	for (i=0;i<N_SAVE_SLOTS;i++) {

		strcpy(menu_text[i],saved_text_ptrs[i]);

		m[i].type = NM_TYPE_INPUT_MENU;
		m[i].text_len = GAME_NAME_LEN;
		m[i].text = menu_text[i];

		if (!menu_text[i][0])
			strcpy(menu_text[i],TXT_EMPTY);

	}

	choice = newmenu_do( NULL, TXT_SAVE_GAME_SLOTS, N_SAVE_SLOTS, m, NULL );

	if (choice != -1) {
		int ret;

		if ((ret=save_player_game(choice,m[choice].text)) != EZERO)
			nm_messagebox( NULL,1, TXT_CONTINUE,"%s\n%s\n\n", TXT_SAVE_ERROR, strerror(ret));
	}

}

extern void GameLoop(int, int );

/*
//added/killed on 9/7/98 by Victor Rachels to attempt dir browse.  failed.
int build_dir_list(char currdir[64], char dirs[20][64])
{
 int count=0;
 char dirspec[256];
 d_glob_t glob_ret;

  strcpy(dirspec, currdir);
  strcat(dirspec, "*");
//something is wrong. dunno about linux, but doesn't return dirs in dos.
//fix sometime.  Tired of it for now.
   if( !d_glob(dirspec, &glob_ret) && glob_ret.gl_pathc)
    {
     int j;
      for (j = 0; j < glob_ret.gl_pathc && (count < 20); j++)
       {
//        char *t;
//        if((t=strrchr(glob_ret.gl_pathv[j],'/')))
         {
           strcpy(dirs[j],glob_ret.gl_pathv[j]);
           count++;
         }
       }
     d_globfree(&glob_ret);
    }
  return count;
}

void Directory_browse(char *currhogdir)
{
 char newhogdir[64];
 char dirs[20][64];
 int n_dirs,newdirnum;

 strcpy(newhogdir,currhogdir);

 n_dirs=build_dir_list(newhogdir, dirs);

  if(n_dirs>0)
   {
    char *m[20];
    int i;

      for(i=0;i<n_dirs;i++)
       m[i]=dirs[i];

     newdirnum = newmenu_listbox1("Select Directory:",n_dirs,m,1,0,NULL);

      if(newdirnum == -1)
       return;
    
     strcat(currhogdir,dirs[newdirnum]);
     cfile_use_alternate_hogdir(currhogdir);
   }
}
*/


//added on 9/20/98 by Victor Rachels to attempt to add screen res change ingame
//Changed on 3/24/99 by Owen Evans to make it work  =)
void change_res_poll()
{
}

extern int last_drawn_cockpit[2];

void change_res()
{
	// edited 05/27/99 Matt Mueller - ingame fullscreen changing
	newmenu_item m[12]; // ZICO - from 11 to 12 to be sure...
	u_int32_t modes[12];
	int i = 0, mc = 0, num_presets = 0;
	char customres[16];
	int screen_compatible = 0;
	int use_double_buffer = 0;
#ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
	int fullscreenc;
#endif
	//end edit -MM
	u_int32_t screen_mode = 0;
	int screen_width = 0;
	int screen_height = 0;
	int vr_mode = VR_NONE;
	int screen_flags = 0;

	m[mc].type = NM_TYPE_RADIO; m[mc].text = "320x200"; m[mc].value = (Game_screen_mode == SM(320,200)); m[mc].group = 0; modes[mc] = SM(320,200); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "640x480"; m[mc].value = (Game_screen_mode == SM(640,480)); m[mc].group = 0; modes[mc] = SM(640,480); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "320x400"; m[mc].value = (Game_screen_mode == SM(320,400)); m[mc].group = 0; modes[mc] = SM(320,400); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "640x400"; m[mc].value = (Game_screen_mode == SM(640,400)); m[mc].group = 0; modes[mc] = SM(640,400); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "800x600"; m[mc].value = (Game_screen_mode == SM(800,600)); m[mc].group = 0; modes[mc] = SM(800,600); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "1024x768"; m[mc].value = (Game_screen_mode == SM(1024,768)); m[mc].group = 0; modes[mc] = SM(1024,768); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "1280x1024"; m[mc].value = (Game_screen_mode == SM(1280,1024)); m[mc].group = 0; modes[mc] = SM(1280,1024); mc++;
	m[mc].type = NM_TYPE_RADIO; m[mc].text = "1600x1200"; m[mc].value = (Game_screen_mode == SM(1600,1200)); m[mc].group = 0; modes[mc] = SM(1600,1200); mc++; // ZICO - added res

	num_presets = mc;
	for (i = 0; i < mc; i++)
		if (m[mc].value)
			break;

	m[mc].type = NM_TYPE_RADIO; m[mc].text = "custom:"; m[mc].value = (i == mc); m[mc].group = 0; modes[mc] = 0; mc++;
	sprintf(customres, "%ix%i", SM_W(Game_screen_mode), SM_H(Game_screen_mode));
	m[mc].type = NM_TYPE_INPUT; m[mc].text = customres; m[mc].text_len = 11; modes[mc] = 0; mc++;

	//m[mc].type = NM_TYPE_CHECK; m[mc].text = "No Doublebuffer"; m[mc].value = use_double_buffer;

	// added 05/27/99 Matt Mueller - ingame fullscreen changing
#ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
	fullscreenc = mc; m[mc].type = NM_TYPE_CHECK; m[mc].text = "Fullscreen"; m[mc].value = gr_check_fullscreen(); mc++;
#endif
	// end addition -MM


	i = newmenu_do1(NULL, "Screen Resolution", mc, m, &change_res_poll, 0);

	// added 05/27/99 Matt Mueller - ingame fullscreen changing
#ifdef GR_SUPPORTS_FULLSCREEN_TOGGLE
	if (m[fullscreenc].value != gr_check_fullscreen())
	{
		gr_toggle_fullscreen();
		Game_screen_mode = -1;
	}
#endif

	for (i = 0; (m[i].value == 0) && (i < num_presets); i++);

	for(i = 0; (m[i].value == 0) && (i < num_presets); i++);

	if (modes[i]==0)
	{
		char *h = strchr(customres, 'x');
		if (!h)
			return;
		screen_mode = SM(atoi(customres), atoi(h+1));
	}
	else
	{
		screen_mode = modes[i];
	}

	screen_width = SM_W(screen_mode);
	screen_height = SM_H(screen_mode);
	if (screen_height <= 0 || screen_width <= 0)
		return;

#ifdef __MSDOS__
	if (FindArg("-nodoublebuffer"))
#endif
	{
		use_double_buffer = 0;
	}

	VR_offscreen_buffer = 0;        //Disable VR (so that VR_Screen_mode doesnt mess us up
	Game_screen_mode = screen_mode;
	Game_window_w=screen_width;
	Game_window_h=screen_height;
	game_init_render_buffers(screen_mode, screen_width, screen_height, use_double_buffer, vr_mode, screen_compatible);
 
	mprintf( (0, "\nInitializing palette system..." ));
	gr_use_palette_table( "PALETTE.256" );
	mprintf( (0, "\nInitializing font system..." ));
	gamefont_init();        // must load after palette data loaded.
 
	reset_palette_add();
	init_cockpit();
	last_drawn_cockpit[0]=-1;
	last_drawn_cockpit[1]=-1;
	vr_reset_display();
	set_screen_mode(SCREEN_GAME);
}


//added on 8/18/98 by Victor Rachels to add d1x options menu, maxfps setting
//added/edited on 8/18/98 by Victor Rachels to set maxfps always on, max=80
//added/edited on 9/7/98 by Victor Rachels to attempt dir browsing.  failed.

void d1x_options_menu_poll(int nitems, newmenu_item * menus, int * key, int citem)
{
}


void d1x_options_menu()
{
 newmenu_item m[14];
 int i=0;
 int opt=0;
 int inputs,checks,commands;

 char smaxfps[4];
 char shudmaxnumdisp[4];
 char thogdir[64];
 extern int gr_message_color_level;

  sprintf(thogdir,AltHogDir);
  sprintf(smaxfps,"%d",maxfps);
  sprintf(shudmaxnumdisp,"%d",HUD_max_num_disp);


     m[opt].type = NM_TYPE_MENU;  m[opt].text = "Primary autoselect ordering...";   opt++;
     m[opt].type = NM_TYPE_MENU;  m[opt].text = "Secondary autoselect ordering..."; opt++;

     //added on 2/4/99 by Victor Rachels for new key menu
     m[opt].type = NM_TYPE_MENU;  m[opt].text = "D1X Keys"; opt++;
     //end this section addition - VR

     //enabled 3/24/99 - Owen Evans
     m[opt].type = NM_TYPE_MENU;  m[opt].text = "Change Screen Resolution";         opt++;
     //end enabled stuff - OE

     commands=opt;
     //added on 2/2/99 by Victor Rachels for bans
#ifdef NETWORK
     m[opt].type = NM_TYPE_MENU; m[opt].text = "Save bans now"; opt++;
#endif
     //end this section addition - VR

     m[opt].type = NM_TYPE_TEXT;  m[opt].text = "Maximum Framerate (1-80):";       opt++;


     inputs=opt;
     m[opt].type = NM_TYPE_INPUT; m[opt].text = smaxfps; m[opt].text_len=3;         opt++;
     m[opt].type = NM_TYPE_TEXT;  m[opt].text = "Mission Directory";                opt++;
     m[opt].type = NM_TYPE_INPUT; m[opt].text = thogdir; m[opt].text_len=64;        opt++;
     m[opt].type = NM_TYPE_TEXT;  m[opt].text = "Hud Messages lines (1-80):";       opt++;
     m[opt].type = NM_TYPE_INPUT; m[opt].text = shudmaxnumdisp; m[opt].text_len=3;  opt++;
     m[opt].type = NM_TYPE_SLIDER; m[opt].text = "Message colorization level"; m[opt].value=gr_message_color_level;m[opt].min_value=0;m[opt].max_value=3;  opt++;
     checks=opt;
#ifdef __MSDOS__
     m[opt].type = NM_TYPE_CHECK; m[opt].text = "Joy is sidewinder"; m[opt].value=Joy_is_Sidewinder;  opt++;
#endif
#ifdef SUPPORTS_NICEFPS
     m[opt].type = NM_TYPE_CHECK; m[opt].text = "Nice FPS (free cpu cycles)"; m[opt].value = use_nice_fps; opt++;
#endif

      for(;;)
       {
        i=newmenu_do1( NULL, "D1X options", opt, m, &d1x_options_menu_poll, i);

         if(i>-1)
          {
            if(i<commands)
             {
              switch(i)
               {
                case 0: reorder_primary(); break;
                case 1: reorder_secondary(); break;
                //added on 2/4/99 by Victor Rachels for new key menu
                case 2: kconfig(3,"D1X Keys"); break;
                //end this section addition - VR
                //enabled 3/24/99 - Owen Evans
                case 3: change_res(); break;
                //end enabled stuff - OE
               }
             }

            //added on 2/4/99 by Victor Rachels for bans
            #ifdef NETWORK
            if(i==commands+0)
             {              

              nm_messagebox(NULL,1,TXT_OK, "%i Bans saved",writebans());

             }
            #endif
            //end this section addition - VR

            if(i==inputs+0)
             {
               maxfps = atoi(smaxfps);
                if(maxfps < 1||maxfps>80)
                 {
                   nm_messagebox(TXT_ERROR, 1, TXT_OK, "Invalid value for maximum framerate");
                   maxfps=80;
                   i=(inputs+0);
                 }
             }
            else if(i==inputs+2)
             cfile_use_alternate_hogdir(thogdir);
			else if(i==inputs+4)
             {
               HUD_max_num_disp = atoi(shudmaxnumdisp);
                if(HUD_max_num_disp < 1||HUD_max_num_disp>HUD_MAX_NUM)
                 {
                   nm_messagebox(TXT_ERROR, 1, TXT_OK, "Invalid value for hud lines");
                   HUD_max_num_disp=4;
//                   i=(inputs+4);//???
                 }
             }
			gr_message_color_level=m[inputs+5].value;

			sprintf(shudmaxnumdisp,"%d",HUD_max_num_disp);
           sprintf(smaxfps,"%d",maxfps);
//           m[inputs+0].text=smaxfps;//redundant.. its not going anywhere
           sprintf(thogdir,AltHogDir);
//           m[inputs+2].text=thogdir;//redundant
          }
         else
          break;
       }

  write_player_file();

#ifdef __MSDOS__
  Joy_is_Sidewinder=m[(checks+0)].value;
#endif
#ifdef __LINUX__
  Joy_is_Sidewinder=0;
#endif
#ifdef SUPPORTS_NICEFPS
  use_nice_fps=m[(checks+0)].value;
#else
  use_nice_fps=0;
#endif
}

//end edit - Victor Rachels
//end addition - Victor Rachels

void joydef_menuset(int nitems, newmenu_item * items, int *last_key, int citem )
{
	nitems=nitems;		
	*last_key = *last_key;

	if ( citem==4)	{
		gr_palette_set_gamma(items[4].value);
	}

	if ( Config_digi_volume != items[0].value )	{
		Config_digi_volume = items[0].value;
		digi_set_digi_volume( (Config_digi_volume*32768)/8 );
		digi_play_sample_once( SOUND_DROP_BOMB, F1_0 );
	}

	if (Config_midi_volume != items[1].value )	{
		Config_midi_volume = items[1].value;
		digi_set_midi_volume( (Config_midi_volume*128)/8 );
	}
}

//this change was made in DESCENT.TEX, but since we're not including that
//file in the v1.1 update, we're making the change in the code here also
#ifdef SHAREWARE
#undef	TXT_JOYS_SENSITIVITY
#define	TXT_JOYS_SENSITIVITY "Joystick/Mouse\nSensitivity"
#endif

void do_options_menu()
{
//        newmenu_item m[14];
        newmenu_item m[14];

	int i = 0;

	do {
		m[0].type = NM_TYPE_SLIDER; m[0].text=TXT_FX_VOLUME; m[0].value=Config_digi_volume;m[0].min_value=0; m[0].max_value=8;
		m[1].type = NM_TYPE_SLIDER; m[1].text=TXT_MUSIC_VOLUME; m[1].value=Config_midi_volume;m[1].min_value=0; m[1].max_value=8; 
		m[2].type = NM_TYPE_CHECK; m[2].text=TXT_REVERSE_STEREO; m[2].value=Config_channels_reversed; 
		m[3].type = NM_TYPE_TEXT; m[3].text="";
//added/changed on 10/27/98 by Victor Rachels to increase brightness range
                m[4].type = NM_TYPE_SLIDER; m[4].text=TXT_BRIGHTNESS; m[4].value=gr_palette_get_gamma();m[4].min_value=0; m[4].max_value=16;
//end this section addition - Victor Rachels
		m[5].type = NM_TYPE_TEXT; m[5].text="";
		m[6].type = NM_TYPE_MENU; m[6].text=TXT_CONTROLS_;
		m[7].type = NM_TYPE_MENU; m[7].text=TXT_DETAIL_LEVELS;
		m[8].type = NM_TYPE_MENU; m[8].text=TXT_CAL_JOYSTICK;
//added/changed on 10/27/98 by Victor Rachels to increase sensitivity range
                m[9].type = NM_TYPE_SLIDER; m[9].text=TXT_JOYS_SENSITIVITY; m[9].value=Config_joystick_sensitivity; m[9].min_value =0; m[9].max_value = 16;
//end this section addition - Victor Rachels
//added on 4/13/99 by Victor Rachels to add joystick deadzone option
                m[10].type = NM_TYPE_SLIDER; m[10].text="Joystick Deadzone"; m[10].value=joy_deadzone; m[10].min_value=0; m[10].max_value=16;
//end this section addition - VR
                m[11].type = NM_TYPE_TEXT; m[11].text="";
                m[12].type = NM_TYPE_CHECK; m[12].text="Ship auto-leveling"; m[12].value=Auto_leveling_on;
                m[13].type = NM_TYPE_MENU; m[13].text="D1X options...";
				
                i = newmenu_do1( NULL, TXT_OPTIONS, 14, m, joydef_menuset, i );
			
		switch(i)	{
                        case 6: joydefs_config();     break;
			case 7: do_detail_level_menu();	break;
			case 8: joydefs_calibrate();		break;
                        case 13: d1x_options_menu(); break;
		}

		Config_channels_reversed = m[2].value;
		Config_joystick_sensitivity = m[9].value;
                joy_deadzone = m[10].value;
                Auto_leveling_on = m[12].value;
	} while( i>-1 );

        write_player_file();
}
#ifdef NETWORK
void do_multi_player_menu()
{
	int menu_choice[4];
	newmenu_item m[4];
	int choice = 0, num_options = 0;
	int old_game_mode;

	do {
		old_game_mode = Game_mode;
		num_options = 0;

		ADD_ITEM("IPX", MENU_IPX_MULTIPLAYER, -1 );
#ifdef SUPPORTS_NET_IP
		ADD_ITEM("udp/ip", MENU_IP_MULTIPLAYER, -1 );
#endif
#ifdef __LINUX__
		ADD_ITEM("Kalinix", MENU_KALI_MULTIPLAYER, -1 );
#endif
//		ADD_ITEM(TXT_MODEM_GAME, MENU_START_SERIAL, -1); // ZICO - outdated

		choice = newmenu_do1( NULL, TXT_MULTIPLAYER, num_options, m, NULL, choice );
		
		if ( choice > -1 )	
			do_option(menu_choice[choice]);
	
		if (old_game_mode != Game_mode)
			break;		// leave menu

	} while( choice > -1 );

}
void do_ipx_multi_player_menu()
{
	int menu_choice[3];
	newmenu_item m[3];
	int choice = 0, num_options = 0;
	int old_game_mode;

	if (ipx_set_driver("ipx")) return;

	do {
		old_game_mode = Game_mode;
		num_options = 0;

		ADD_ITEM(TXT_START_NET_GAME, MENU_START_NETGAME, -1 );
		ADD_ITEM(TXT_JOIN_NET_GAME, MENU_JOIN_NETGAME, -1 );

		choice = newmenu_do1( NULL, TXT_MULTIPLAYER, num_options, m, NULL, choice );
		
		if ( choice > -1 )	
			do_option(menu_choice[choice]);
	
		if (old_game_mode != Game_mode)
			break;		// leave menu

	} while( choice > -1 );

}
void do_kali_multi_player_menu()
{
#ifdef __LINUX__
	int menu_choice[3];
	newmenu_item m[3];
	int choice = 0, num_options = 0;
	int old_game_mode;

	if (ipx_set_driver("kali"))return;

	do {
		old_game_mode = Game_mode;
		num_options = 0;

		ADD_ITEM(TXT_START_NET_GAME, MENU_START_NETGAME, -1 );
		ADD_ITEM(TXT_JOIN_NET_GAME, MENU_JOIN_NETGAME, -1 );

		choice = newmenu_do1( NULL, TXT_MULTIPLAYER, num_options, m, NULL, choice );
		
		if ( choice > -1 )	
			do_option(menu_choice[choice]);
	
		if (old_game_mode != Game_mode)
			break;		// leave menu

	} while( choice > -1 );
#endif
}

#ifdef SUPPORTS_NET_IP

int ip_connect_manual(char *addr);
void do_ip_manual_join_menu()
{
	int menu_choice[3];
	newmenu_item m[3];
	int choice = 0, num_options = 0;
	int old_game_mode;
	char buf[128]="";

	do {
		old_game_mode = Game_mode;
		num_options = 0;

		m[num_options].type = NM_TYPE_INPUT; m[num_options].text=buf; m[num_options].text_len=128;menu_choice[num_options]=-1; num_options++;

		choice = newmenu_do1( NULL, "ENTER IP OR HOSTNAME", num_options, m, NULL, choice );

		if ( choice > -1 ){
			ip_connect_manual(buf);
//			do_option(menu_choice[choice]);
		}

		if (old_game_mode != Game_mode)
			break;		// leave menu
	} while( choice > -1 );
}

void do_ip_serv_connect_menu()
{
	int menu_choice[3];
	newmenu_item m[3];
	int choice = 0, num_options = 0;
	int old_game_mode;

	return;
	do {
		old_game_mode = Game_mode;
		num_options = 0;

		ADD_ITEM("Connect to game list server",MENU_IP_SERV_CONNECT, -1 );
		ADD_ITEM(TXT_START_NET_GAME, MENU_START_NETGAME, -1 );
		ADD_ITEM(TXT_JOIN_NET_GAME, MENU_MANUAL_IP_JOIN, -1 );

		choice = newmenu_do1( NULL, TXT_MULTIPLAYER, num_options, m, NULL, choice );
		
		if ( choice > -1 )	
			do_option(menu_choice[choice]);
	
		if (old_game_mode != Game_mode)
			break;		// leave menu

	} while( choice > -1 );

}

void do_ip_multi_player_menu()
{
	int menu_choice[3];
	newmenu_item m[3];
	int choice = 0, num_options = 0;
	int old_game_mode;

	if (ipx_set_driver("ip"))return;

	do {
		old_game_mode = Game_mode;
		num_options = 0;

//		ADD_ITEM("Connect to game list server",MENU_IP_SERV_CONNECT, -1 );
		ADD_ITEM(TXT_START_NET_GAME, MENU_START_NETGAME, -1 );
		ADD_ITEM(TXT_JOIN_NET_GAME, MENU_MANUAL_IP_JOIN, -1 );

		choice = newmenu_do1( NULL, TXT_MULTIPLAYER, num_options, m, NULL, choice );

		if ( choice > -1 )
			do_option(menu_choice[choice]);

		if (old_game_mode != Game_mode)
			break;		// leave menu

	} while( choice > -1 );

}
#endif //NETWORK
#endif