/*
 * Portions of this file are copyright Rebirth contributors and licensed as
 * described in COPYING.txt.
 * Portions of this file are copyright Parallax Software and licensed
 * according to the Parallax license below.
 * See COPYING.txt for license details.

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 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/

/*
 *
 * Game Controls Stuff
 *
 */

//#define DOOR_DEBUGGING

#include <algorithm>
#include <stdio.h>
#include <cstdlib>
#include <string.h>
#include <stdarg.h>

#include "pstypes.h"
#include "window.h"
#include "console.h"
#include "strutil.h"
#include "game.h"
#include "player.h"
#include "key.h"
#include "object.h"
#include "menu.h"
#include "physics.h"
#include "dxxerror.h"
#include "joy.h"
#include "iff.h"
#include "pcx.h"
#include "timer.h"
#include "render.h"
#include "laser.h"
#include "screens.h"
#include "textures.h"
#include "slew.h"
#include "gauges.h"
#include "texmap.h"
#include "3d.h"
#include "effects.h"
#include "gameseg.h"
#include "wall.h"
#include "ai.h"
#include "rbaudio.h"
#include "digi.h"
#include "u_mem.h"
#include "palette.h"
#include "morph.h"
#include "robot.h"
#include "lighting.h"
#include "newdemo.h"
#include "weapon.h"
#include "sounds.h"
#include "args.h"
#include "gameseq.h"
#include "automap.h"
#include "text.h"
#include "powerup.h"
#include "songs.h"
#include "newmenu.h"
#include "gamefont.h"
#include "endlevel.h"
#include "config.h"
#include "hudmsg.h"
#include "kconfig.h"
#include "mouse.h"
#include "titles.h"
#include "gr.h"
#include "playsave.h"
#include "scores.h"

#include "multi.h"
#include "cntrlcen.h"
#include "fuelcen.h"
#include "pcx.h"
#include "state.h"
#include "piggy.h"
#include "multibot.h"
#include "ai.h"
#include "rbaudio.h"
#include "switch.h"
#if defined(DXX_BUILD_DESCENT_II)
#include "escort.h"
#include "movie.h"
#endif
#include "window.h"

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

#include "compiler-array.h"
#include "compiler-exchange.h"
#include "compiler-range_for.h"
#include "highest_valid.h"
#include "partial_range.h"

#include <SDL.h>

#if defined(__GNUC__) && defined(WIN32)
/* Mingw64 _mingw_print_pop.h changes PRIi64 to POSIX-style.  Change it
 * back here.
 *
 * Some outdated mingw32 users are also affected.
 */
#undef PRIi64
#define PRIi64 "I64i"
#endif

using std::min;

// Global Variables -----------------------------------------------------------

//	Function prototypes --------------------------------------------------------
#ifndef RELEASE
static void do_cheat_menu();
static void play_test_sound();
#endif

#define key_isfunc(k) (((k&0xff)>=KEY_F1 && (k&0xff)<=KEY_F10) || (k&0xff)==KEY_F11 || (k&0xff)==KEY_F12)

// Functions ------------------------------------------------------------------

#if defined(DXX_BUILD_DESCENT_II)
#define CONVERTER_RATE  20		//10 units per second xfer rate
#define CONVERTER_SCALE  2		//2 units energy -> 1 unit shields

#define CONVERTER_SOUND_DELAY (f1_0/2)		//play every half second

static void transfer_energy_to_shield()
{
	fix e;		//how much energy gets transfered
	static fix64 last_play_time=0;

	e = min(min(FrameTime*CONVERTER_RATE, get_local_player_energy() - INITIAL_ENERGY),(MAX_SHIELDS-get_local_player_shields()) * CONVERTER_SCALE);

	if (e <= 0) {

		if (get_local_player_energy() <= INITIAL_ENERGY) {
			HUD_init_message(HM_DEFAULT, "Need more than %i energy to enable transfer", f2i(INITIAL_ENERGY));
		}
		else if (get_local_player_shields() >= MAX_SHIELDS) {
			HUD_init_message_literal(HM_DEFAULT, "No transfer: Shields already at max");
		}
		return;
	}

	get_local_player_energy()  -= e;
	get_local_player_shields() += e/CONVERTER_SCALE;

	if (last_play_time > GameTime64)
		last_play_time = 0;

	if (GameTime64 > last_play_time+CONVERTER_SOUND_DELAY) {
		digi_play_sample_once(SOUND_CONVERT_ENERGY, F1_0);
		last_play_time = GameTime64;
	}

}
#endif


// Control Functions

static fix64 newdemo_single_frame_time;

static void update_vcr_state(void)
{
	if ((keyd_pressed[KEY_LSHIFT] || keyd_pressed[KEY_RSHIFT]) && keyd_pressed[KEY_RIGHT] && d_tick_step)
		Newdemo_vcr_state = ND_STATE_FASTFORWARD;
	else if ((keyd_pressed[KEY_LSHIFT] || keyd_pressed[KEY_RSHIFT]) && keyd_pressed[KEY_LEFT] && d_tick_step)
		Newdemo_vcr_state = ND_STATE_REWINDING;
	else if (!(keyd_pressed[KEY_LCTRL] || keyd_pressed[KEY_RCTRL]) && keyd_pressed[KEY_RIGHT] && ((GameTime64 - newdemo_single_frame_time) >= F1_0) && d_tick_step)
		Newdemo_vcr_state = ND_STATE_ONEFRAMEFORWARD;
	else if (!(keyd_pressed[KEY_LCTRL] || keyd_pressed[KEY_RCTRL]) && keyd_pressed[KEY_LEFT] && ((GameTime64 - newdemo_single_frame_time) >= F1_0) && d_tick_step)
		Newdemo_vcr_state = ND_STATE_ONEFRAMEBACKWARD;
	else if ((Newdemo_vcr_state == ND_STATE_FASTFORWARD) || (Newdemo_vcr_state == ND_STATE_REWINDING))
		Newdemo_vcr_state = ND_STATE_PLAYBACK;
}

#if defined(DXX_BUILD_DESCENT_II)
//returns which bomb will be dropped next time the bomb key is pressed
int which_bomb()
{
	int bomb;

	//use the last one selected, unless there aren't any, in which case use
	//the other if there are any


   // If hoard game, only let the player drop smart mines
   if (game_mode_hoard())
		return SMART_MINE_INDEX;

	bomb = Secondary_last_was_super[PROXIMITY_INDEX]?SMART_MINE_INDEX:PROXIMITY_INDEX;

	auto &secondary_ammo = get_local_player_secondary_ammo();
	if (secondary_ammo[bomb] == 0 &&
		secondary_ammo[SMART_MINE_INDEX + PROXIMITY_INDEX - bomb] != 0)
	{
		bomb = SMART_MINE_INDEX+PROXIMITY_INDEX-bomb;
		Secondary_last_was_super[bomb%SUPER_WEAPON] = (bomb == SMART_MINE_INDEX);
	}



	return bomb;
}
#endif

static void do_weapon_n_item_stuff()
{
	if (Controls.state.fire_flare > 0)
	{
		Controls.state.fire_flare = 0;
		if (allowed_to_fire_flare())
			Flare_create(vobjptridx(ConsoleObject));
	}

	if (allowed_to_fire_missile() && Controls.state.fire_secondary)
		Global_missile_firing_count += Weapon_info[Secondary_weapon_to_weapon_info[Secondary_weapon]].fire_count;

	if (Global_missile_firing_count) {
		do_missile_firing(0);
		Global_missile_firing_count--;
	}

	if (Controls.state.cycle_primary > 0)
	{
		for (uint_fast32_t i = exchange(Controls.state.cycle_primary, 0); i--;)
			CyclePrimary ();
	}
	if (Controls.state.cycle_secondary > 0)
	{
		for (uint_fast32_t i = exchange(Controls.state.cycle_secondary, 0); i--;)
			CycleSecondary ();
	}
	if (Controls.state.select_weapon > 0)
	{
		const auto select_weapon = exchange(Controls.state.select_weapon, 0) - 1;
		const auto weapon_num = select_weapon > 4 ? select_weapon - 5 : select_weapon;
		if (select_weapon > 4)
			do_secondary_weapon_select(weapon_num);
		else
			do_primary_weapon_select(weapon_num);
	}
#if defined(DXX_BUILD_DESCENT_II)
	if (auto &headlight = Controls.state.headlight)
	{
		if (exchange(headlight, 0) & 1)
			toggle_headlight_active ();
	}
#endif

	if (Global_missile_firing_count < 0)
		Global_missile_firing_count = 0;

	//	Drop proximity bombs.
	if (Controls.state.drop_bomb > 0)
	{
		for (uint_fast32_t i = exchange(Controls.state.drop_bomb, 0); i--;)
		do_missile_firing(1);
	}
#if defined(DXX_BUILD_DESCENT_II)
	if (Controls.state.toggle_bomb > 0)
	{
		int bomb = Secondary_last_was_super[PROXIMITY_INDEX]?PROXIMITY_INDEX:SMART_MINE_INDEX;
	
		auto &secondary_ammo = get_local_player_secondary_ammo();
		if (!secondary_ammo[PROXIMITY_INDEX] && !secondary_ammo[SMART_MINE_INDEX])
		{
			digi_play_sample_once( SOUND_BAD_SELECTION, F1_0 );
			HUD_init_message_literal(HM_DEFAULT, "No bombs available!");
		}
		else
		{	
			if (secondary_ammo[bomb] == 0)
			{
				digi_play_sample_once( SOUND_BAD_SELECTION, F1_0 );
				HUD_init_message(HM_DEFAULT, "No %s available!",(bomb==SMART_MINE_INDEX)?"Smart mines":"Proximity bombs");
			}
			else
			{
				Secondary_last_was_super[PROXIMITY_INDEX]=!Secondary_last_was_super[PROXIMITY_INDEX];
				digi_play_sample_once( SOUND_GOOD_SELECTION_SECONDARY, F1_0 );
			}
		}
		Controls.state.toggle_bomb = 0;
	}

	if (Controls.state.energy_to_shield && (get_local_player_flags() & PLAYER_FLAGS_CONVERTER))
		transfer_energy_to_shield();
#endif
}

static void format_time(char (&str)[9], unsigned secs_int, unsigned hours_extra)
{
	auto d1 = std::div(secs_int, 60);
	const unsigned s = d1.rem;
	const unsigned m1 = d1.quot;
	auto d2 = std::div(m1, 60);
	const unsigned m = d2.rem;
	const unsigned h = d2.quot + hours_extra;
	snprintf(str, sizeof(str), "%1u:%02u:%02u", h, m, s);
}

struct pause_window : ignore_window_pointer_t
{
	array<char, 1024> msg;
};

//Process selected keys until game unpaused
static window_event_result pause_handler(window *, const d_event &event, pause_window *p)
{
	int key;

	switch (event.type)
	{
		case EVENT_WINDOW_ACTIVATED:
			game_flush_inputs();
			break;

		case EVENT_KEY_COMMAND:
			key = event_key_get(event);

			switch (key)
			{
				case 0:
					break;
				case KEY_ESC:
					return window_event_result::close;
				case KEY_F1:
					show_help();
					return window_event_result::handled;
				case KEY_PAUSE:
					return window_event_result::close;
				default:
					break;
			}
			break;

		case EVENT_IDLE:
			timer_delay2(50);
			break;

		case EVENT_WINDOW_DRAW:
			show_boxed_message(&p->msg[0], 1);
			break;

		case EVENT_WINDOW_CLOSE:
			songs_resume();
			delete p;
			break;

		default:
			break;
	}
	return window_event_result::ignored;
}

static int do_game_pause()
{
	char total_time[9],level_time[9];

	if (Game_mode & GM_MULTI)
	{
		netplayerinfo_on= !netplayerinfo_on;
		return(KEY_PAUSE);
	}

	pause_window *p = new pause_window;
	songs_pause();

	format_time(total_time, f2i(get_local_player().time_total), get_local_player().hours_total);
	format_time(level_time, f2i(get_local_player().time_level), get_local_player().hours_level);
	if (Newdemo_state!=ND_STATE_PLAYBACK)
		snprintf(&p->msg[0], p->msg.size(),"PAUSE\n\nSkill level:  %s\nHostages on board:  %d\nTime on level: %s\nTotal time in game: %s",MENU_DIFFICULTY_TEXT(Difficulty_level),get_local_player().hostages_on_board,level_time,total_time);
	else
	  	snprintf(&p->msg[0], p->msg.size(),"PAUSE\n\nSkill level:  %s\nHostages on board:  %d\n",MENU_DIFFICULTY_TEXT(Difficulty_level),get_local_player().hostages_on_board);
	set_screen_mode(SCREEN_MENU);

	if (!window_create(&grd_curscreen->sc_canvas, 0, 0, SWIDTH, SHEIGHT, pause_handler, p))
		delete p;

	return 0 /*key*/;	// Keycode returning ripped out (kreatordxx)
}

static int HandleEndlevelKey(int key)
{
	switch (key)
	{
		case KEY_COMMAND+KEY_P:
		case KEY_PAUSE:
			do_game_pause();
			return 1;

		case KEY_ESC:
			stop_endlevel_sequence();
			last_drawn_cockpit=-1;
			return 1;
	}

	return 0;
}

static int HandleDeathInput(const d_event &event)
{
	if (event.type == EVENT_KEY_COMMAND)
	{
		int key = event_key_get(event);

		if ((PlayerCfg.RespawnMode == RespawnPress::Any && Player_exploded && !key_isfunc(key) && key != KEY_PAUSE && key) ||
			(key == KEY_ESC && ConsoleObject->flags & OF_EXPLODING))
				Death_sequence_aborted = 1;
	}

	if (Player_exploded)
	{
		if (PlayerCfg.RespawnMode == RespawnPress::Any
			? (event.type == EVENT_JOYSTICK_BUTTON_UP || event.type == EVENT_MOUSE_BUTTON_UP)
			: (Controls.state.fire_primary || Controls.state.fire_secondary || Controls.state.fire_flare))
			Death_sequence_aborted = 1;
	}

	if (Death_sequence_aborted)
	{
		game_flush_respawn_inputs();
		return 1;
	}

	return 0;
}

static int HandleDemoKey(int key)
{
	switch (key) {
		KEY_MAC(case KEY_COMMAND+KEY_1:)
		case KEY_F1:	show_newdemo_help();	break;
		KEY_MAC(case KEY_COMMAND+KEY_2:)
		case KEY_F2:	do_options_menu();	break;
		KEY_MAC(case KEY_COMMAND+KEY_3:)
		case KEY_F3:
			 if (Viewer->type == OBJ_PLAYER)
				toggle_cockpit();
			 break;
		KEY_MAC(case KEY_COMMAND+KEY_4:)
		case KEY_F4:	Newdemo_show_percentage = !Newdemo_show_percentage; break;
		KEY_MAC(case KEY_COMMAND+KEY_7:)
		case KEY_F7:
			Show_kill_list = (Show_kill_list+1) % ((Newdemo_game_mode & GM_TEAM) ? 4 : 3);
			break;
		case KEY_ESC:
			if (CGameArg.SysAutoDemo)
			{
				int choice;
				choice = nm_messagebox( NULL, 2, TXT_YES, TXT_NO, TXT_ABORT_AUTODEMO );
				if (choice == 0)
					CGameArg.SysAutoDemo = false;
				else
					break;
			}
			newdemo_stop_playback();
			break;
		case KEY_UP:
			Newdemo_vcr_state = ND_STATE_PLAYBACK;
			break;
		case KEY_DOWN:
			Newdemo_vcr_state = ND_STATE_PAUSED;
			break;
		case KEY_LEFT:
			newdemo_single_frame_time = GameTime64;
			Newdemo_vcr_state = ND_STATE_ONEFRAMEBACKWARD;
			break;
		case KEY_RIGHT:
			newdemo_single_frame_time = GameTime64;
			Newdemo_vcr_state = ND_STATE_ONEFRAMEFORWARD;
			break;
		case KEY_CTRLED + KEY_RIGHT:
			newdemo_goto_end(0);
			break;
		case KEY_CTRLED + KEY_LEFT:
			newdemo_goto_beginning();
			break;

		KEY_MAC(case KEY_COMMAND+KEY_P:)
		case KEY_PAUSE:
			do_game_pause();
			break;

#ifdef macintosh
		case KEY_COMMAND + KEY_SHIFTED + KEY_3:
#endif
		case KEY_PRINT_SCREEN:
		{
			if (PlayerCfg.PRShot)
			{
				gr_set_current_canvas(NULL);
				render_frame(0);
				gr_set_curfont(MEDIUM2_FONT);
				gr_string(SWIDTH-FSPACX(92),SHEIGHT-LINE_SPACING,"DXX-Rebirth\n");
				gr_flip();
				save_screen_shot(0);
			}
			else
			{
				int old_state;
				old_state = Newdemo_show_percentage;
				Newdemo_show_percentage = 0;
				game_render_frame_mono(!GameArg.DbgNoDoubleBuffer);
				save_screen_shot(0);
				Newdemo_show_percentage = old_state;
			}
			break;
		}
#ifndef NDEBUG
		case KEY_DEBUGGED + KEY_I:
			Newdemo_do_interpolate = !Newdemo_do_interpolate;
			HUD_init_message(HM_DEFAULT, "Demo playback interpolation %s", Newdemo_do_interpolate?"ON":"OFF");
			break;
		case KEY_DEBUGGED + KEY_K: {
			int how_many, c;
			char filename[FILENAME_LEN], num[16];
			array<newmenu_item, 2> m{{
				nm_item_text("output file name"),
				nm_item_input(filename),
			}};
			filename[0] = '\0';
			c = newmenu_do( NULL, NULL, m, unused_newmenu_subfunction, unused_newmenu_userdata);
			if (c == -2)
				break;
			strcat(filename, DEMO_EXT);
			num[0] = '\0';
			m = {{
				nm_item_text("strip how many bytes"),
				nm_item_input(num),
			}};
			c = newmenu_do( NULL, NULL, m, unused_newmenu_subfunction, unused_newmenu_userdata);
			if (c == -2)
				break;
			how_many = atoi(num);
			if (how_many <= 0)
				break;
			newdemo_strip_frames(filename, how_many);

			break;
		}
#endif

		default:
			return 0;
	}

	return 1;
}

#if defined(DXX_BUILD_DESCENT_II)
//switch a cockpit window to the next function
static int select_next_window_function(int w)
{
	Assert(w==0 || w==1);

	switch (PlayerCfg.Cockpit3DView[w]) {
		case CV_NONE:
			PlayerCfg.Cockpit3DView[w] = CV_REAR;
			break;
		case CV_REAR:
			if (find_escort() != object_none) {
				PlayerCfg.Cockpit3DView[w] = CV_ESCORT;
				break;
			}
			//if no ecort, fall through
		case CV_ESCORT:
			Coop_view_player[w] = -1;		//force first player
			//fall through
		case CV_COOP:
			Marker_viewer_num[w] = -1;
			if ((Game_mode & GM_MULTI_COOP) || (Game_mode & GM_TEAM)) {
				PlayerCfg.Cockpit3DView[w] = CV_COOP;
				while (1) {
					Coop_view_player[w]++;
					if (Coop_view_player[w] == (MAX_PLAYERS-1)) {
						PlayerCfg.Cockpit3DView[w] = CV_MARKER;
						goto case_marker;
					}
					if (Players[Coop_view_player[w]].connected != CONNECT_PLAYING)
						continue;
					if (Coop_view_player[w]==Player_num)
						continue;

					if (Game_mode & GM_MULTI_COOP)
						break;
					else if (get_team(Coop_view_player[w]) == get_team(Player_num))
						break;
				}
				break;
			}
			//if not multi, fall through
		case CV_MARKER:
		case_marker:;
			if ((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_COOP) && Netgame.Allow_marker_view) {	//anarchy only
				PlayerCfg.Cockpit3DView[w] = CV_MARKER;
				if (Marker_viewer_num[w] == -1)
					Marker_viewer_num[w] = Player_num * 2;
				else if (Marker_viewer_num[w] == Player_num * 2)
					Marker_viewer_num[w]++;
				else
					PlayerCfg.Cockpit3DView[w] = CV_NONE;
			}
			else
				PlayerCfg.Cockpit3DView[w] = CV_NONE;
			break;
	}
	write_player_file();

	return 1;	 //screen_changed
}
#endif

#ifdef DOOR_DEBUGGING
dump_door_debugging_info()
{
	object *obj;
	vms_vector new_pos;
	fvi_query fq;
	fvi_info hit_info;
	int fate;
	PHYSFS_file *dfile;
	obj = &get_local_plrobj();
	vm_vec_scale_add(&new_pos,&obj->pos,&obj->orient.fvec,i2f(100));

	fq.p0						= &obj->pos;
	fq.startseg				= obj->segnum;
	fq.p1						= &new_pos;
	fq.rad					= 0;
	fq.thisobjnum			= get_local_player().objnum;
	fq.ignore_obj_list	= NULL;
	fq.flags					= 0;

	fate = find_vector_intersection(fq, hit_info);

	dfile = PHYSFSX_openWriteBuffered("door.out");

	PHYSFSX_printf(dfile,"FVI hit_type = %d\n",fate);
	PHYSFSX_printf(dfile,"    hit_seg = %d\n",hit_info.hit_seg);
	PHYSFSX_printf(dfile,"    hit_side = %d\n",hit_info.hit_side);
	PHYSFSX_printf(dfile,"    hit_side_seg = %d\n",hit_info.hit_side_seg);
	PHYSFSX_printf(dfile,"\n");

	if (fate == HIT_WALL) {

		auto wall_num = Segments[hit_info.hit_seg].sides[hit_info.hit_side].wall_num;
		PHYSFSX_printf(dfile,"wall_num = %d\n",wall_num);

		if (wall_num != wall_none) {
			wall *wall = &Walls[wall_num];
			active_door *d;
			PHYSFSX_printf(dfile,"    segnum = %d\n",wall->segnum);
			PHYSFSX_printf(dfile,"    sidenum = %d\n",wall->sidenum);
			PHYSFSX_printf(dfile,"    hps = %x\n",wall->hps);
			PHYSFSX_printf(dfile,"    linked_wall = %d\n",wall->linked_wall);
			PHYSFSX_printf(dfile,"    type = %d\n",wall->type);
			PHYSFSX_printf(dfile,"    flags = %x\n",wall->flags);
			PHYSFSX_printf(dfile,"    state = %d\n",wall->state);
			PHYSFSX_printf(dfile,"    trigger = %d\n",wall->trigger);
			PHYSFSX_printf(dfile,"    clip_num = %d\n",wall->clip_num);
			PHYSFSX_printf(dfile,"    keys = %x\n",wall->keys);
			PHYSFSX_printf(dfile,"    controlling_trigger = %d\n",wall->controlling_trigger);
			PHYSFSX_printf(dfile,"    cloak_value = %d\n",wall->cloak_value);
			PHYSFSX_printf(dfile,"\n");


			range_for (auto &i, partial_range(ActiveDoors, Num_open_doors)) {		//find door
				d = &i;
				if (d->front_wallnum[0]==wall-Walls || d->back_wallnum[0]==wall-Walls || (d->n_parts==2 && (d->front_wallnum[1]==wall-Walls || d->back_wallnum[1]==wall-Walls)))
					break;
			}

			if (i>=Num_open_doors)
				PHYSFSX_printf(dfile,"No active door.\n");
			else {
				PHYSFSX_printf(dfile,"Active door %d:\n",i);
				PHYSFSX_printf(dfile,"    n_parts = %d\n",d->n_parts);
				PHYSFSX_printf(dfile,"    front_wallnum = %d,%d\n",d->front_wallnum[0],d->front_wallnum[1]);
				PHYSFSX_printf(dfile,"    back_wallnum = %d,%d\n",d->back_wallnum[0],d->back_wallnum[1]);
				PHYSFSX_printf(dfile,"    time = %x\n",d->time);
			}

		}
	}

	PHYSFSX_printf(dfile,"\n");
	PHYSFSX_printf(dfile,"\n");

	PHYSFS_close(dfile);

}
#endif

//this is for system-level keys, such as help, etc.
//returns 1 if screen changed
static window_event_result HandleSystemKey(int key)
{
	if (Player_dead_state == player_dead_state::no)
		switch (key)
		{

			#ifdef DOOR_DEBUGGING
			case KEY_LAPOSTRO+KEY_SHIFTED:
				dump_door_debugging_info();
				return 1;
			#endif

			case KEY_ESC:
			{
				const bool allow_saveload = !(Game_mode & GM_MULTI) || ((Game_mode & GM_MULTI_COOP) && Player_num == 0);
				const auto choice = nm_messagebox_str(nullptr, allow_saveload ? nm_messagebox_tie("Abort Game", TXT_OPTIONS_, "Save Game...", TXT_LOAD_GAME) : nm_messagebox_tie("Abort Game", TXT_OPTIONS_), "Game Menu");
				switch(choice)
				{
					case 0:
						return window_event_result::close;
					case 1:
						return HandleSystemKey(KEY_F2);
					case 2:
						return HandleSystemKey(KEY_ALTED | KEY_F2);
					case 3:
						return HandleSystemKey(KEY_ALTED | KEY_F3);
				}
				return window_event_result::handled;
			}
#if defined(DXX_BUILD_DESCENT_II)
// fleshed these out because F1 and F2 aren't sequenctial keycodes on mac -- MWA

			KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_1:)
			case KEY_SHIFTED+KEY_F1:
				select_next_window_function(0);
				return window_event_result::handled;
			KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_2:)
			case KEY_SHIFTED+KEY_F2:
				select_next_window_function(1);
				return window_event_result::handled;
#endif
		}

	switch (key)
	{
		KEY_MAC( case KEY_COMMAND+KEY_P: )
		case KEY_PAUSE:
			do_game_pause();	break;


#ifdef macintosh
		case KEY_COMMAND + KEY_SHIFTED + KEY_3:
#endif
		case KEY_PRINT_SCREEN:
		{
			if (PlayerCfg.PRShot)
			{
				gr_set_current_canvas(NULL);
				render_frame(0);
				gr_set_curfont(MEDIUM2_FONT);
				gr_string(SWIDTH-FSPACX(92),SHEIGHT-LINE_SPACING,"DXX-Rebirth\n");
				gr_flip();
				save_screen_shot(0);
			}
			else
			{
				game_render_frame_mono(!GameArg.DbgNoDoubleBuffer);
				save_screen_shot(0);
			}
			break;
		}

		KEY_MAC(case KEY_COMMAND+KEY_1:)
		case KEY_F1:				if (Game_mode & GM_MULTI) show_netgame_help(); else show_help();	break;

		KEY_MAC(case KEY_COMMAND+KEY_2:)
		case KEY_F2:
			{
				do_options_menu();
				break;
			}


		KEY_MAC(case KEY_COMMAND+KEY_3:)

		case KEY_F3:
			if (Player_dead_state == player_dead_state::no && Viewer->type==OBJ_PLAYER) //if (!(Guided_missile[Player_num] && Guided_missile[Player_num]->type==OBJ_WEAPON && Guided_missile[Player_num]->id==GUIDEDMISS_ID && Guided_missile[Player_num]->signature==Guided_missile_sig[Player_num] && PlayerCfg.GuidedInBigWindow))
			{
				toggle_cockpit();
			}
			break;

		KEY_MAC(case KEY_COMMAND+KEY_5:)
		case KEY_F5:
			if ( Newdemo_state == ND_STATE_RECORDING )
				newdemo_stop_recording();
			else if ( Newdemo_state == ND_STATE_NORMAL )
				newdemo_start_recording();
			break;
		KEY_MAC(case KEY_COMMAND+KEY_ALTED+KEY_4:)
		case KEY_ALTED + KEY_F4:
			Show_reticle_name = (Show_reticle_name+1)%2;
			break;

		KEY_MAC(case KEY_COMMAND+KEY_7:)
		case KEY_F7:
			Show_kill_list = (Show_kill_list+1) % ((Game_mode & GM_TEAM) ? 4 : 3);
			if (Game_mode & GM_MULTI)
				multi_sort_kill_list();
			break;

		KEY_MAC(case KEY_COMMAND+KEY_8:)
		case KEY_F8:
			multi_send_message_start();
			break;

		case KEY_F9:
		case KEY_F10:
		case KEY_F11:
		case KEY_F12:
			multi_send_macro(key);
			break;		// send taunt macros

#if defined(__APPLE__) || defined(macintosh)
		case KEY_9 + KEY_COMMAND:
			multi_send_macro(KEY_F9);
			break;
		case KEY_0 + KEY_COMMAND:
			multi_send_macro(KEY_F10);
			break;
		case KEY_1 + KEY_COMMAND + KEY_CTRLED:
			multi_send_macro(KEY_F11);
			break;
		case KEY_2 + KEY_COMMAND + KEY_CTRLED:
			multi_send_macro(KEY_F12);
			break;
#endif

		case KEY_SHIFTED + KEY_F9:
		case KEY_SHIFTED + KEY_F10:
		case KEY_SHIFTED + KEY_F11:
		case KEY_SHIFTED + KEY_F12:
			multi_define_macro(key);
			break;		// redefine taunt macros

#if defined(__APPLE__) || defined(macintosh)
		case KEY_9 + KEY_SHIFTED + KEY_COMMAND:
			multi_define_macro(KEY_F9);
			break;
		case KEY_0 + KEY_SHIFTED + KEY_COMMAND:
			multi_define_macro(KEY_F10);
			break;
		case KEY_1 + KEY_SHIFTED + KEY_COMMAND + KEY_CTRLED:
			multi_define_macro(KEY_F11);
			break;
		case KEY_2 + KEY_SHIFTED + KEY_COMMAND + KEY_CTRLED:
			multi_define_macro(KEY_F12);
			break;
#endif


		KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_S:)
		KEY_MAC(case KEY_COMMAND+KEY_ALTED+KEY_2:)
		case KEY_ALTED+KEY_F2:
			if (Player_dead_state == player_dead_state::no)
				state_save_all(secret_save::none, blind_save::no); // 0 means not between levels.
			break;

		KEY_MAC(case KEY_COMMAND+KEY_S:)
		case KEY_ALTED+KEY_SHIFTED+KEY_F2:
			if (Player_dead_state == player_dead_state::no)
				state_save_all(secret_save::none, blind_save::yes);
			break;
		KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_O:)
		KEY_MAC(case KEY_COMMAND+KEY_ALTED+KEY_3:)
		case KEY_ALTED+KEY_F3:
			if (!((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_COOP)))
				state_restore_all(1, secret_restore::none, nullptr, blind_save::no);
			break;
		KEY_MAC(case KEY_COMMAND+KEY_O:)
		case KEY_ALTED+KEY_SHIFTED+KEY_F3:
			if (!((Game_mode & GM_MULTI) && !(Game_mode & GM_MULTI_COOP)))
				state_restore_all(1, secret_restore::none, nullptr, blind_save::yes);
			break;

#if defined(DXX_BUILD_DESCENT_II)
		KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_4:)
		case KEY_F4 + KEY_SHIFTED:
			do_escort_menu();
			break;


		KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_ALTED+KEY_4:)
		case KEY_F4 + KEY_SHIFTED + KEY_ALTED:
			change_guidebot_name();
			break;
#endif

			/*
			 * Jukebox hotkeys -- MD2211, 2007
			 * Now for all music
			 * ==============================================
			 */
		case KEY_ALTED + KEY_SHIFTED + KEY_F9:
		KEY_MAC(case KEY_COMMAND+KEY_E:)
			if (GameCfg.MusicType == MUSIC_TYPE_REDBOOK)
			{
				songs_stop_all();
				RBAEjectDisk();
			}
			break;

		case KEY_ALTED + KEY_SHIFTED + KEY_F10:
		KEY_MAC(case KEY_COMMAND+KEY_UP:)
		KEY_MAC(case KEY_COMMAND+KEY_DOWN:)
			songs_pause_resume();
			break;

		case KEY_MINUS + KEY_ALTED:
		case KEY_ALTED + KEY_SHIFTED + KEY_F11:
		KEY_MAC(case KEY_COMMAND+KEY_LEFT:)
			songs_play_level_song( Current_level_num, -1 );
			break;
		case KEY_EQUAL + KEY_ALTED:
		case KEY_ALTED + KEY_SHIFTED + KEY_F12:
		KEY_MAC(case KEY_COMMAND+KEY_RIGHT:)
			songs_play_level_song( Current_level_num, 1 );
			break;

		default:
			return window_event_result::ignored;
	}
	return window_event_result::handled;
}

static window_event_result HandleGameKey(int key)
{
	switch (key) {
#if defined(DXX_BUILD_DESCENT_II)
		case KEY_1 + KEY_SHIFTED:
		case KEY_2 + KEY_SHIFTED:
		case KEY_3 + KEY_SHIFTED:
		case KEY_4 + KEY_SHIFTED:
		case KEY_5 + KEY_SHIFTED:
		case KEY_6 + KEY_SHIFTED:
		case KEY_7 + KEY_SHIFTED:
		case KEY_8 + KEY_SHIFTED:
		case KEY_9 + KEY_SHIFTED:
		case KEY_0 + KEY_SHIFTED:
			if (PlayerCfg.EscortHotKeys)
			{
				if (!(Game_mode & GM_MULTI))
					set_escort_special_goal(key);
				else
					HUD_init_message_literal(HM_DEFAULT, "No Guide-Bot in Multiplayer!");
				game_flush_inputs();
				return window_event_result::handled;
			}
			else
				return window_event_result::ignored;
#endif

		case KEY_ALTED+KEY_F7:
		KEY_MAC(case KEY_COMMAND+KEY_ALTED+KEY_7:)
			PlayerCfg.HudMode = static_cast<HudType>((static_cast<unsigned>(PlayerCfg.HudMode) + 1) % GAUGE_HUD_NUMMODES);
			write_player_file();
			switch (PlayerCfg.HudMode)
			{
				case HudType::Standard:
					HUD_init_message_literal(HM_DEFAULT, "Standard HUD");
					break;
				case HudType::Alternate1:
					HUD_init_message_literal(HM_DEFAULT, "Alternative HUD #1");
					break;
				case HudType::Alternate2:
					HUD_init_message_literal(HM_DEFAULT, "Alternative HUD #2");
					break;
				case HudType::Hidden:
					HUD_init_message_literal(HM_DEFAULT, "No HUD");
					break;
			}
			return window_event_result::handled;

		KEY_MAC(case KEY_COMMAND+KEY_6:)
		case KEY_F6:
			if (Netgame.RefusePlayers && WaitForRefuseAnswer && !(Game_mode & GM_TEAM))
			{
				RefuseThisPlayer=1;
				HUD_init_message_literal(HM_MULTI, "Player accepted!");
			}
			return window_event_result::handled;
		case KEY_ALTED + KEY_1:
			if (Netgame.RefusePlayers && WaitForRefuseAnswer && (Game_mode & GM_TEAM))
				{
					RefuseThisPlayer=1;
					HUD_init_message_literal(HM_MULTI, "Player accepted!");
					RefuseTeam=1;
					game_flush_inputs();
				}
			return window_event_result::handled;
		case KEY_ALTED + KEY_2:
			if (Netgame.RefusePlayers && WaitForRefuseAnswer && (Game_mode & GM_TEAM))
				{
					RefuseThisPlayer=1;
					HUD_init_message_literal(HM_MULTI, "Player accepted!");
					RefuseTeam=2;
					game_flush_inputs();
				}
			return window_event_result::handled;

		default:
			break;

	}	 //switch (key)

	if (Player_dead_state == player_dead_state::no)
		switch (key)
		{
				KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_5:)
			case KEY_F5 + KEY_SHIFTED:
				DropCurrentWeapon();
				break;

			KEY_MAC(case KEY_COMMAND+KEY_SHIFTED+KEY_6:)
			case KEY_F6 + KEY_SHIFTED:
				DropSecondaryWeapon();
				break;

#if defined(DXX_BUILD_DESCENT_II)
			case KEY_0 + KEY_ALTED:
				DropFlag ();
				game_flush_inputs();
				break;

			KEY_MAC(case KEY_COMMAND+KEY_4:)
			case KEY_F4:
				if (!DefiningMarkerMessage)
					InitMarkerInput();
				break;
#endif

			default:
				return window_event_result::ignored;
		}
	else
		return window_event_result::ignored;

	return window_event_result::handled;
}

#if defined(DXX_BUILD_DESCENT_II)
static void kill_all_robots(void)
{
	int	dead_count=0;
	//int	boss_index = -1;

	// Kill all bots except for Buddy bot and boss.  However, if only boss and buddy left, kill boss.
	range_for (const auto &&objp, highest_valid(vobjptr))
	{
		if (objp->type == OBJ_ROBOT)
		{
			if (!Robot_info[get_robot_id(objp)].companion && !Robot_info[get_robot_id(objp)].boss_flag) {
				dead_count++;
				objp->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
			}
		}
	}

// --		// Now, if more than boss and buddy left, un-kill boss.
// --		if ((dead_count > 2) && (boss_index != -1)) {
// --			Objects[boss_index].flags &= ~(OF_EXPLODING|OF_SHOULD_BE_DEAD);
// --			dead_count--;
// --		} else if (boss_index != -1)
// --			HUD_init_message(HM_DEFAULT, "Toasted the BOSS!");

	// Toast the buddy if nothing else toasted!
	if (dead_count == 0)
		range_for (const auto &&objp, highest_valid(vobjptr))
		{
			if (objp->type == OBJ_ROBOT)
				if (Robot_info[get_robot_id(objp)].companion) {
					objp->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
					HUD_init_message_literal(HM_DEFAULT, "Toasted the Buddy! *sniff*");
					dead_count++;
				}
		}

	HUD_init_message(HM_DEFAULT, "%i robots toasted!", dead_count);
}
#endif

//	--------------------------------------------------------------------------
//	Detonate reactor.
//	Award player all powerups in mine.
//	Place player just outside exit.
//	Kill all bots in mine.
//	Yippee!!
static void kill_and_so_forth(void)
{
	HUD_init_message_literal(HM_DEFAULT, "Killing, awarding, etc.!");

	range_for (const auto &&o, highest_valid(vobjptridx))
	{
		switch (o->type) {
			case OBJ_ROBOT:
				o->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
				break;
			case OBJ_POWERUP:
				do_powerup(o);
				break;
		}
	}

	do_controlcen_destroyed_stuff(object_none);

	for (uint_fast32_t i = 0; i < Num_triggers; i++) {
		if (trigger_is_exit(&Triggers[i])) {
			range_for (auto &w, partial_range(Walls, Num_walls))
			{
				if (w.trigger == i) {
					compute_segment_center(ConsoleObject->pos, vcsegptr(w.segnum));
					obj_relink(vobjptridx(ConsoleObject), w.segnum);
					goto kasf_done;
				}
			}
		}
	}

kasf_done: ;

}

#ifndef RELEASE
#if defined(DXX_BUILD_DESCENT_II)
static void kill_all_snipers(void) __attribute_used;
static void kill_all_snipers(void)
{
	int     dead_count=0;

	//	Kill all snipers.
	range_for (const auto &&objp, highest_valid(vobjptr))
	{
		if (objp->type == OBJ_ROBOT)
			if (objp->ctype.ai_info.behavior == ai_behavior::AIB_SNIPE)
			{
				dead_count++;
				objp->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
			}
	}

	HUD_init_message(HM_DEFAULT, "%i robots toasted!", dead_count);
}

static void kill_thief(void) __attribute_used;
static void kill_thief(void)
{
	//	Kill thief.
	range_for (const auto &&objp, highest_valid(vobjptr))
	{
		if (objp->type == OBJ_ROBOT)
			if (Robot_info[get_robot_id(objp)].thief)
			{
				objp->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
				HUD_init_message_literal(HM_DEFAULT, "Thief toasted!");
			}
	}
}

static void kill_buddy(void) __attribute_used;
static void kill_buddy(void)
{
	//	Kill buddy.
	range_for (const auto &&objp, highest_valid(vobjptr))
	{
		if (objp->type == OBJ_ROBOT)
			if (Robot_info[get_robot_id(objp)].companion)
			{
				objp->flags |= OF_EXPLODING|OF_SHOULD_BE_DEAD;
				HUD_init_message_literal(HM_DEFAULT, "Buddy toasted!");
			}
	}
}
#endif

static window_event_result HandleTestKey(int key)
{
	switch (key)
	{

#ifdef SHOW_EXIT_PATH
		case KEY_DEBUGGED+KEY_1:	create_special_path();	break;
#endif

		case KEY_DEBUGGED+KEY_Y:
			do_controlcen_destroyed_stuff(object_none);
			break;

#if defined(DXX_BUILD_DESCENT_II)
	case KEY_DEBUGGED+KEY_ALTED+KEY_D:
			PlayerCfg.NetlifeKills=4000; PlayerCfg.NetlifeKilled=5;
			multi_add_lifetime_kills(1);
			break;

		case KEY_DEBUGGED+KEY_R+KEY_SHIFTED:
			kill_all_robots();
			break;
#endif

		case KEY_BACKSP:
		case KEY_CTRLED+KEY_BACKSP:
		case KEY_ALTED+KEY_BACKSP:
		case KEY_SHIFTED+KEY_BACKSP:
		case KEY_SHIFTED+KEY_ALTED+KEY_BACKSP:
		case KEY_CTRLED+KEY_ALTED+KEY_BACKSP:
		case KEY_SHIFTED+KEY_CTRLED+KEY_BACKSP:
		case KEY_SHIFTED+KEY_CTRLED+KEY_ALTED+KEY_BACKSP:

			Int3(); break;

		case KEY_DEBUGGED+KEY_S:				digi_reset(); break;

		case KEY_DEBUGGED+KEY_P:
			if (Game_suspended & SUSP_ROBOTS)
				Game_suspended &= ~SUSP_ROBOTS;		//robots move
			else
				Game_suspended |= SUSP_ROBOTS;		//robots don't move
			break;



		case KEY_DEBUGGED+KEY_K:	get_local_player_shields() = 1;	break;							//	a virtual kill
		case KEY_DEBUGGED+KEY_SHIFTED + KEY_K:  get_local_player_shields() = -1;	 break;  //	an actual kill
		case KEY_DEBUGGED+KEY_X: get_local_player().lives++; break; // Extra life cheat key.
		case KEY_DEBUGGED+KEY_H:
			if (Player_dead_state != player_dead_state::no)
				return window_event_result::ignored;

			get_local_player_flags() ^= PLAYER_FLAGS_CLOAKED;
			if (get_local_player_flags() & PLAYER_FLAGS_CLOAKED) {
				if (Game_mode & GM_MULTI)
					multi_send_cloak();
				ai_do_cloak_stuff();
				get_local_player_cloak_time() = GameTime64;
			}
			break;


		case KEY_DEBUGGED+KEY_R:
			cheats.robotfiringsuspended = !cheats.robotfiringsuspended;
			break;

#ifdef EDITOR		//editor-specific functions

		case KEY_E + KEY_DEBUGGED:
			window_set_visible(Game_wind, 0);	// don't let the game do anything while we set the editor up
			init_editor();
			return window_event_result::close;
#if defined(DXX_BUILD_DESCENT_II)
	case KEY_Q + KEY_SHIFTED + KEY_DEBUGGED:
		{
			palette_array_t save_pal;
			save_pal = gr_palette;
			PlayMovie ("end.tex", "end.mve",MOVIE_ABORT_ON);
			Screen_mode = -1;
			set_screen_mode(SCREEN_GAME);
			reset_cockpit();
			gr_palette = save_pal;
			gr_palette_load(gr_palette);
			break;
		}
#endif
		case KEY_C + KEY_SHIFTED + KEY_DEBUGGED:
			if (Player_dead_state == player_dead_state::no &&
				!(Game_mode & GM_MULTI))
				move_player_2_segment(Cursegp,Curside);
			break;   //move eye to curseg


		case KEY_DEBUGGED+KEY_W:	draw_world_from_game(); break;

		#endif  //#ifdef EDITOR

		case KEY_DEBUGGED+KEY_LAPOSTRO: Show_view_text_timer = 0x30000; object_goto_next_viewer(); break;
		case KEY_DEBUGGED+KEY_SHIFTED+KEY_LAPOSTRO: Viewer=ConsoleObject; break;
		case KEY_DEBUGGED+KEY_O: toggle_outline_mode(); break;
		case KEY_DEBUGGED+KEY_T:
#if defined(DXX_BUILD_DESCENT_II)
		{
			static int Toggle_var;
			Toggle_var = !Toggle_var;
			if (Toggle_var)
				CGameArg.SysMaxFPS = 300;
			else
				CGameArg.SysMaxFPS = 30;
		}
#endif
			break;
		case KEY_DEBUGGED + KEY_L:
			if (++Lighting_on >= 2) Lighting_on = 0; break;
		case KEY_PAD5: slew_stop(); break;

#ifndef NDEBUG
		case KEY_DEBUGGED + KEY_F11: play_test_sound(); break;
#endif

		case KEY_DEBUGGED + KEY_C:
			do_cheat_menu();
			break;
		case KEY_DEBUGGED + KEY_SHIFTED + KEY_A:
			do_megawow_powerup(10);
			break;
		case KEY_DEBUGGED + KEY_A:	{
			do_megawow_powerup(200);
				break;
		}

		case KEY_DEBUGGED+KEY_SPACEBAR:		//KEY_F7:				// Toggle physics flying
			slew_stop();
			game_flush_inputs();
			if ( ConsoleObject->control_type != CT_FLYING ) {
				fly_init(vobjptr(ConsoleObject));
				Game_suspended &= ~SUSP_ROBOTS;	//robots move
			} else {
				slew_init(vobjptr(ConsoleObject));			//start player slewing
				Game_suspended |= SUSP_ROBOTS;	//robots don't move
			}
			break;

		case KEY_DEBUGGED+KEY_COMMA: Render_zoom = fixmul(Render_zoom,62259); break;
		case KEY_DEBUGGED+KEY_PERIOD: Render_zoom = fixmul(Render_zoom,68985); break;

		#ifndef NDEBUG
		case KEY_DEBUGGED+KEY_D:
			if ((GameArg.DbgNoDoubleBuffer = !GameArg.DbgNoDoubleBuffer)!=0)
				init_cockpit();
			break;
		#endif

#ifdef EDITOR
		case KEY_DEBUGGED+KEY_Q:
			{
				pause_game_world_time p;
			dump_used_textures_all();
			}
			break;
#endif

		case KEY_DEBUGGED+KEY_B: {
			d_fname text{};
			int item;
			array<newmenu_item, 1> m{{
				nm_item_input(text),
			}};
			item = newmenu_do( NULL, "Briefing to play?", m, unused_newmenu_subfunction, unused_newmenu_userdata);
			if (item != -1) {
				do_briefing_screens(text,1);
			}
			break;
		}

		case KEY_DEBUGGED+KEY_SHIFTED+KEY_B:
			if (Player_dead_state != player_dead_state::no)
				return window_event_result::ignored;

			kill_and_so_forth();
			break;
		case KEY_DEBUGGED+KEY_G:
			GameTime64 = (0x7fffffffffffffffLL) - (F1_0*10);
			HUD_init_message(HM_DEFAULT, "GameTime %" PRIi64 " - Reset in 10 seconds!", GameTime64);
			break;
		default:
			return window_event_result::ignored;
	}
	return window_event_result::handled;
}
#endif		//#ifndef RELEASE

#define CHEAT_MAX_LEN 15
struct cheat_code
{
	const char string[CHEAT_MAX_LEN];
	int (game_cheats::*stateptr);
};

static const cheat_code cheat_codes[] = {
#if defined(DXX_BUILD_DESCENT_I)
	{ "gabbagabbahey", &game_cheats::enabled },
	{ "scourge", &game_cheats::wowie },
	{ "bigred", &game_cheats::wowie2 },
	{ "mitzi", &game_cheats::allkeys },
	{ "racerx", &game_cheats::invul },
	{ "guile", &game_cheats::cloak },
	{ "twilight", &game_cheats::shields },
	{ "poboys", &game_cheats::killreactor },
	{ "farmerjoe", &game_cheats::levelwarp },
	{ "bruin", &game_cheats::extralife },
	{ "porgys", &game_cheats::rapidfire },
	{ "ahimsa", &game_cheats::robotfiringsuspended },
#elif defined(DXX_BUILD_DESCENT_II)
	{ "gabbagabbahey", &game_cheats::lamer },
	{ "motherlode", &game_cheats::lamer },
	{ "currygoat", &game_cheats::lamer },
	{ "zingermans", &game_cheats::lamer },
	{ "eatangelos", &game_cheats::lamer },
	{ "ericaanne", &game_cheats::lamer },
	{ "joshuaakira", &game_cheats::lamer },
	{ "whammazoom", &game_cheats::lamer },
	{ "honestbob", &game_cheats::wowie },
	{ "algroove", &game_cheats::allkeys },
	{ "alifalafel", &game_cheats::accessory },
	{ "almighty", &game_cheats::invul },
	{ "blueorb", &game_cheats::shields },
	{ "delshiftb", &game_cheats::killreactor },
	{ "freespace", &game_cheats::levelwarp },
	{ "rockrgrl", &game_cheats::fullautomap },
	{ "wildfire", &game_cheats::rapidfire },
	{ "duddaboo", &game_cheats::bouncyfire },
	{ "imagespace", &game_cheats::robotfiringsuspended },
	{ "spaniard", &game_cheats::killallrobots },
	{ "silkwing", &game_cheats::robotskillrobots },
	{ "godzilla", &game_cheats::monsterdamage },
	{ "helpvishnu", &game_cheats::buddyclone },
	{ "gowingnut", &game_cheats::buddyangry },
#endif
	{ "flash", &game_cheats::exitpath },
	{ "astral", &game_cheats::ghostphysics },
	{ "buggin", &game_cheats::turbo },
	{ "bittersweet", &game_cheats::acid },
};

static window_event_result FinalCheats()
{
	int (game_cheats::*gotcha);

	if (Game_mode & GM_MULTI)
		return window_event_result::ignored;

	static array<char, CHEAT_MAX_LEN> cheat_buffer;
	std::move(std::next(cheat_buffer.begin()), cheat_buffer.end(), cheat_buffer.begin());
	cheat_buffer.back() = key_ascii();
	for (unsigned i = 0;; i++)
	{
		if (i >= sizeof(cheat_codes) / sizeof(cheat_codes[0]))
			return window_event_result::ignored;
		int cheatlen = strlen(cheat_codes[i].string);
		Assert(cheatlen <= CHEAT_MAX_LEN);
		if (d_strnicmp(cheat_codes[i].string, &cheat_buffer[CHEAT_MAX_LEN-cheatlen], cheatlen)==0)
		{
			gotcha = cheat_codes[i].stateptr;
#if defined(DXX_BUILD_DESCENT_I)
			if (!cheats.enabled && gotcha != &game_cheats::enabled)
				return window_event_result::ignored;
			if (!cheats.enabled)
				HUD_init_message_literal(HM_DEFAULT, TXT_CHEATS_ENABLED);
#endif
			cheats.*gotcha = !(cheats.*gotcha);
			cheats.enabled = 1;
			digi_play_sample( SOUND_CHEATER, F1_0);
			get_local_player().score = 0;
			break;
		}
	}

#if defined(DXX_BUILD_DESCENT_I)
	if (gotcha == &game_cheats::wowie)
	{
		HUD_init_message_literal(HM_DEFAULT, TXT_WOWIE_ZOWIE);

		auto &player_info = get_local_plrobj().ctype.player_info;
		player_info.primary_weapon_flags |= (HAS_LASER_FLAG | HAS_VULCAN_FLAG | HAS_SPREADFIRE_FLAG);

		get_local_player_vulcan_ammo() = VULCAN_AMMO_MAX;
		auto &secondary_ammo = player_info.secondary_ammo;
		for (unsigned i=0; i<3; i++)
			secondary_ammo[i] = Secondary_ammo_max[i];

		if (Newdemo_state == ND_STATE_RECORDING)
			newdemo_record_laser_level(player_info.laser_level, MAX_LASER_LEVEL);

		get_local_player_energy() = MAX_ENERGY;
		player_info.laser_level = MAX_LASER_LEVEL;
		get_local_player_flags() |= PLAYER_FLAGS_QUAD_LASERS;
		update_laser_weapon_info();
	}

	if (gotcha == &game_cheats::wowie2)
	{
		HUD_init_message(HM_DEFAULT, "SUPER %s",TXT_WOWIE_ZOWIE);

		auto &player_info = get_local_plrobj().ctype.player_info;
		player_info.primary_weapon_flags = (HAS_LASER_FLAG | HAS_VULCAN_FLAG | HAS_SPREADFIRE_FLAG | HAS_PLASMA_FLAG | HAS_FUSION_FLAG);

		get_local_player_vulcan_ammo() = VULCAN_AMMO_MAX;
		auto &secondary_ammo = player_info.secondary_ammo;
		secondary_ammo = Secondary_ammo_max;

		if (Newdemo_state == ND_STATE_RECORDING)
			newdemo_record_laser_level(player_info.laser_level, MAX_LASER_LEVEL);

		get_local_player_energy() = MAX_ENERGY;
		player_info.laser_level = MAX_LASER_LEVEL;
		get_local_player_flags() |= PLAYER_FLAGS_QUAD_LASERS;
		update_laser_weapon_info();
	}
#elif defined(DXX_BUILD_DESCENT_II)
	if (gotcha == &game_cheats::lamer)
	{
		get_local_player_shields()=get_local_player_energy()=i2f(1);
		HUD_init_message_literal(HM_DEFAULT, "Take that...cheater!");
	}

	if (gotcha == &game_cheats::wowie)
	{
		HUD_init_message_literal(HM_DEFAULT, TXT_WOWIE_ZOWIE);

		auto &player_info = get_local_plrobj().ctype.player_info;
		if (Piggy_hamfile_version < 3) // SHAREWARE
		{
			player_info.primary_weapon_flags |= (HAS_LASER_FLAG | HAS_VULCAN_FLAG | HAS_SPREADFIRE_FLAG | HAS_PLASMA_FLAG) | (HAS_GAUSS_FLAG | HAS_HELIX_FLAG);
		}
		else
		{
			player_info.primary_weapon_flags = (HAS_LASER_FLAG | HAS_VULCAN_FLAG | HAS_SPREADFIRE_FLAG | HAS_PLASMA_FLAG | HAS_FUSION_FLAG) | (HAS_GAUSS_FLAG | HAS_HELIX_FLAG | HAS_PHOENIX_FLAG | HAS_OMEGA_FLAG);
		}

		get_local_player_vulcan_ammo() = VULCAN_AMMO_MAX;
		auto &secondary_ammo = get_local_player_secondary_ammo();
		secondary_ammo = Secondary_ammo_max;

		if (Piggy_hamfile_version < 3) // SHAREWARE
		{
			secondary_ammo[SMISSILE4_INDEX] = 0;
			secondary_ammo[SMISSILE5_INDEX] = 0;
			secondary_ammo[MEGA_INDEX] = 0;
		}

		if (Newdemo_state == ND_STATE_RECORDING)
			newdemo_record_laser_level(player_info.laser_level, MAX_SUPER_LASER_LEVEL);

		get_local_player_energy() = MAX_ENERGY;
		player_info.laser_level = MAX_SUPER_LASER_LEVEL;
		get_local_player_flags() |= PLAYER_FLAGS_QUAD_LASERS;
		update_laser_weapon_info();
	}

	if (gotcha == &game_cheats::accessory)
	{
		get_local_player_flags() |=PLAYER_FLAGS_HEADLIGHT;
		get_local_player_flags() |=PLAYER_FLAGS_AFTERBURNER;
		get_local_player_flags() |=PLAYER_FLAGS_AMMO_RACK;
		get_local_player_flags() |=PLAYER_FLAGS_CONVERTER;
		HUD_init_message_literal(HM_DEFAULT, "Accessories!!");
	}
#endif

	if (gotcha == &game_cheats::allkeys)
	{
		HUD_init_message_literal(HM_DEFAULT, TXT_ALL_KEYS);
		get_local_player_flags() |= PLAYER_FLAGS_BLUE_KEY | PLAYER_FLAGS_RED_KEY | PLAYER_FLAGS_GOLD_KEY;
	}

	if (gotcha == &game_cheats::invul)
	{
		get_local_player_flags() ^= PLAYER_FLAGS_INVULNERABLE;
		HUD_init_message(HM_DEFAULT, "%s %s!", TXT_INVULNERABILITY, (get_local_player_flags()&PLAYER_FLAGS_INVULNERABLE)?TXT_ON:TXT_OFF);
		get_local_player_invulnerable_time() = GameTime64+i2f(1000);
	}

	if (gotcha == &game_cheats::shields)
	{
		HUD_init_message_literal(HM_DEFAULT, TXT_FULL_SHIELDS);
		get_local_player_shields() = MAX_SHIELDS;
	}

#if defined(DXX_BUILD_DESCENT_I)
	if (gotcha == &game_cheats::cloak)
	{
		get_local_player_flags() ^= PLAYER_FLAGS_CLOAKED;
		HUD_init_message(HM_DEFAULT, "%s %s!", TXT_CLOAK, (get_local_player_flags()&PLAYER_FLAGS_CLOAKED)?TXT_ON:TXT_OFF);
		if (get_local_player_flags() & PLAYER_FLAGS_CLOAKED)
		{
			ai_do_cloak_stuff();
			get_local_player_cloak_time() = GameTime64;
		}
	}

	if (gotcha == &game_cheats::extralife)
	{
		if (get_local_player().lives<50)
		{
			get_local_player().lives++;
			HUD_init_message_literal(HM_DEFAULT, "Extra life!");
		}
	}
#endif

	if (gotcha == &game_cheats::killreactor)
	{
		kill_and_so_forth();
	}

	if (gotcha == &game_cheats::exitpath)
	{
		if (create_special_path())
			HUD_init_message_literal(HM_DEFAULT, "Exit path illuminated!");
	}

	if (gotcha == &game_cheats::levelwarp)
	{
		char text[10]="";
		int new_level_num;
		int item;
		array<newmenu_item, 1> m{{
			nm_item_input(text),
		}};
		item = newmenu_do( NULL, TXT_WARP_TO_LEVEL, m, unused_newmenu_subfunction, unused_newmenu_userdata);
		if (item != -1) {
			new_level_num = atoi(m[0].text);
			if (new_level_num!=0 && new_level_num>=0 && new_level_num<=Last_level) {
				window_set_visible(Game_wind, 0);
				StartNewLevel(new_level_num);
				window_set_visible(Game_wind, 1);
			}
		}
	}

#if defined(DXX_BUILD_DESCENT_II)
	if (gotcha == &game_cheats::fullautomap && cheats.fullautomap)
		HUD_init_message(HM_DEFAULT, "FULL MAP!");
#endif

	if (gotcha == &game_cheats::ghostphysics)
	{
		HUD_init_message(HM_DEFAULT, "%s %s!", "Ghosty mode", cheats.ghostphysics?TXT_ON:TXT_OFF);
	}

	if (gotcha == &game_cheats::rapidfire)
#if defined(DXX_BUILD_DESCENT_I)
	{
		do_megawow_powerup(200);
	}
#elif defined(DXX_BUILD_DESCENT_II)
	{
		HUD_init_message(HM_DEFAULT, "Rapid fire %s!", cheats.rapidfire?TXT_ON:TXT_OFF);
	}

	if (gotcha == &game_cheats::bouncyfire)
	{
		
		HUD_init_message(HM_DEFAULT, "Bouncing weapons %s!", cheats.bouncyfire?TXT_ON:TXT_OFF);
	}
#endif

	if (gotcha == &game_cheats::turbo)
	{
		HUD_init_message(HM_DEFAULT, "%s %s!", "Turbo mode", cheats.turbo?TXT_ON:TXT_OFF);
	}

	if (gotcha == &game_cheats::robotfiringsuspended)
	{
		HUD_init_message(HM_DEFAULT, "Robot firing %s!", cheats.robotfiringsuspended?TXT_OFF:TXT_ON);
	}

#if defined(DXX_BUILD_DESCENT_II)
	if (gotcha == &game_cheats::killallrobots)
	{
		kill_all_robots();
	}

	if (gotcha == &game_cheats::robotskillrobots)
	{
		HUD_init_message_literal(HM_DEFAULT, cheats.robotskillrobots?"Rabid robots!":"Kill the player!");
	}

	if (gotcha == &game_cheats::monsterdamage)
	{
		HUD_init_message_literal(HM_DEFAULT, cheats.monsterdamage?"Oh no, there goes Tokyo!":"What have you done, I'm shrinking!!");
	}

	if (gotcha == &game_cheats::buddyclone)
	{
		HUD_init_message_literal(HM_DEFAULT, "What's this? Another buddy bot!");
		create_buddy_bot();
	}

	if (gotcha == &game_cheats::buddyangry)
	{
		
		if (cheats.buddyangry)
		{
			HUD_init_message(HM_DEFAULT, "%s gets angry!", static_cast<const char *>(PlayerCfg.GuidebotName));
			PlayerCfg.GuidebotName = "Wingnut";
		}
		else
		{
			PlayerCfg.GuidebotName = PlayerCfg.GuidebotNameReal;
			HUD_init_message(HM_DEFAULT, "%s calms down", static_cast<const char *>(PlayerCfg.GuidebotName));
		}
	}
#endif

	if (gotcha == &game_cheats::acid)
	{
		HUD_init_message_literal(HM_DEFAULT, cheats.acid?"Going up!":"Coming down!");
	}

	return window_event_result::handled;
}

// Internal Cheat Menu
#ifndef RELEASE

namespace {

class menu_fix_wrapper
{
	fix &m_value;
public:
	constexpr menu_fix_wrapper(fix &t) :
		m_value(t)
	{
	}
	operator int() const
	{
		return f2i(m_value);
	}
	menu_fix_wrapper &operator=(int n)
	{
		m_value = i2f(n);
		return *this;
	}
};

class cheat_menu_bit_invulnerability :
	std::reference_wrapper<player_info>,
	public menu_bit_wrapper_t<player_flags, PLAYER_FLAG>
{
public:
	cheat_menu_bit_invulnerability(player &plr) :
		reference_wrapper(vobjptr(plr.objnum)->ctype.player_info),
		menu_bit_wrapper_t(get().powerup_flags, PLAYER_FLAGS_INVULNERABLE)
	{
	}
	cheat_menu_bit_invulnerability &operator=(uint32_t n)
	{
		this->menu_bit_wrapper_t::operator=(n);
		if (n)
		{
			get().invulnerable_time = GameTime64+i2f(1000);
		}
		return *this;
	}
};

class cheat_menu_bit_cloak :
	std::reference_wrapper<player_info>,
	public menu_bit_wrapper_t<player_flags, PLAYER_FLAG>
{
public:
	cheat_menu_bit_cloak(player &plr) :
		reference_wrapper(vobjptr(plr.objnum)->ctype.player_info),
		menu_bit_wrapper_t(get().powerup_flags, PLAYER_FLAGS_CLOAKED)
	{
	}
	cheat_menu_bit_cloak &operator=(uint32_t n)
	{
		this->menu_bit_wrapper_t::operator=(n);
		if (n)
		{
			if (Game_mode & GM_MULTI)
				multi_send_cloak();
			ai_do_cloak_stuff();
			get().cloak_time = GameTime64;
		}
		return *this;
	}
};

}

#if defined(DXX_BUILD_DESCENT_I)
#define WIMP_MENU_DXX(VERB)
#elif defined(DXX_BUILD_DESCENT_II)
/* Adding an afterburner like this adds it at 0% charge.  This is OK for
 * a cheat.  The player can change his energy up if he needs more.
 */
#define WIMP_MENU_DXX(VERB)	\
	DXX_##VERB##_CHECK(TXT_AFTERBURNER, opt_afterburner, menu_bit_wrapper(player_info.powerup_flags, PLAYER_FLAGS_AFTERBURNER))	\

#endif

#define DXX_WIMP_MENU(VERB)	\
	DXX_##VERB##_CHECK(TXT_INVULNERABILITY, opt_invul, cheat_menu_bit_invulnerability(plr))	\
	DXX_##VERB##_CHECK(TXT_CLOAKED, opt_cloak, cheat_menu_bit_cloak(plr))	\
	DXX_##VERB##_CHECK("BLUE KEY", opt_key_blue, menu_bit_wrapper(player_info.powerup_flags, PLAYER_FLAGS_BLUE_KEY))	\
	DXX_##VERB##_CHECK("GOLD KEY", opt_key_gold, menu_bit_wrapper(player_info.powerup_flags, PLAYER_FLAGS_GOLD_KEY))	\
	DXX_##VERB##_CHECK("RED KEY", opt_key_red, menu_bit_wrapper(player_info.powerup_flags, PLAYER_FLAGS_RED_KEY))	\
	WIMP_MENU_DXX(VERB)	\
	DXX_##VERB##_NUMBER(TXT_ENERGY, opt_energy, menu_fix_wrapper(plrobj.ctype.player_info.energy), 0, 200)	\
	DXX_##VERB##_NUMBER("Shields", opt_shields, menu_fix_wrapper(plrobj.shields), 0, 200)	\
	DXX_##VERB##_TEXT(TXT_SCORE, opt_txt_score)	\
	DXX_##VERB##_INPUT(score_text, opt_score)	\
	DXX_##VERB##_NUMBER("Laser Level", opt_laser_level, menu_number_bias_wrapper(plr_laser_level, 1), LASER_LEVEL_1 + 1, DXX_MAXIMUM_LASER_LEVEL + 1)	\
	DXX_##VERB##_NUMBER("Concussion", opt_concussion, plrobj.ctype.player_info.secondary_ammo[CONCUSSION_INDEX], 0, 200)	\

static void do_cheat_menu()
{
	enum {
		DXX_WIMP_MENU(ENUM)
	};
	int mmn;
	array<newmenu_item, DXX_WIMP_MENU(COUNT)> m;
	char score_text[sizeof("2147483647")];
	auto &plr = get_local_player();
	auto &plrobj = get_local_plrobj();
	auto &player_info = plrobj.ctype.player_info;
	snprintf(score_text, sizeof(score_text), "%d", plr.score);
	uint8_t plr_laser_level = player_info.laser_level;
	DXX_WIMP_MENU(ADD);
	mmn = newmenu_do("Wimp Menu",NULL,m, unused_newmenu_subfunction, unused_newmenu_userdata);
	if (mmn > -1 )  {
		DXX_WIMP_MENU(READ);
		player_info.laser_level = laser_level_t(plr_laser_level);
		char *p;
		auto ul = strtoul(score_text, &p, 10);
		if (!*p)
			plr.score = static_cast<int>(ul);
		init_gauges();
	}
}
#endif



//	Testing functions ----------------------------------------------------------

#ifndef NDEBUG
//	Sounds for testing
__attribute_used
static int Test_sound;

static void play_test_sound()
{
	digi_play_sample(Test_sound, F1_0);
}
#endif  //ifndef NDEBUG

window_event_result ReadControls(const d_event &event)
{
	int key;
	static ubyte exploding_flag=0;

	Player_fired_laser_this_frame=object_none;

	if (Player_exploded) {
		if (exploding_flag==0)  {
			exploding_flag = 1;			// When player starts exploding, clear all input devices...
			game_flush_inputs();
		}
	} else {
		exploding_flag=0;
	}
	if (Player_dead_state != player_dead_state::no &&
		!((Game_mode & GM_MULTI) &&
			(multi_sending_message[Player_num] || multi_defining_message)
		)
	)
		if (HandleDeathInput(event))
			return window_event_result::handled;

	if (Newdemo_state == ND_STATE_PLAYBACK)
		update_vcr_state();

	if (event.type == EVENT_KEY_COMMAND)
	{
		key = event_key_get(event);
#if defined(DXX_BUILD_DESCENT_II)
		if (DefiningMarkerMessage)
		{
			return MarkerInputMessage(key);
		}
#endif
		if ( (Game_mode & GM_MULTI) && (multi_sending_message[Player_num] || multi_defining_message) )
		{
			return multi_message_input_sub(key);
		}

#ifndef RELEASE
		if ((key&KEY_DEBUGGED)&&(Game_mode&GM_MULTI))   {
			Network_message_reciever = 100;		// Send to everyone...
			snprintf(Network_message.data(), Network_message.size(), "%s %s", TXT_I_AM_A, TXT_CHEATER);
		}
#endif

		if (Endlevel_sequence)
		{
			if (HandleEndlevelKey(key))
				return window_event_result::handled;
		}
		else if (Newdemo_state == ND_STATE_PLAYBACK )
		{
			if (HandleDemoKey(key))
				return window_event_result::handled;
		}
		else
		{
			window_event_result r = FinalCheats();
			if (r == window_event_result::ignored)
				r = HandleSystemKey(key);
			if (r == window_event_result::ignored)
				r = HandleGameKey(key);
			if (r != window_event_result::ignored)
				return r;
		}

#ifndef RELEASE
		{
			window_event_result r = HandleTestKey(key);
			if (r != window_event_result::ignored)
				return r;
		}
#endif

		if (call_default_handler(event))
			return window_event_result::handled;
	}

	if (!Endlevel_sequence && Newdemo_state != ND_STATE_PLAYBACK)
	{
		kconfig_read_controls(event, 0);
		const auto Player_is_dead = Player_dead_state;
		if (Player_is_dead != player_dead_state::no && HandleDeathInput(event))
			return window_event_result::handled;

		check_rear_view();

		// If automap key pressed, enable automap unless you are in network mode, control center destroyed and < 10 seconds left
		if ( Controls.state.automap )
		{
			Controls.state.automap = 0;
			if (Player_is_dead != player_dead_state::no || (!((Game_mode & GM_MULTI) && Control_center_destroyed && (Countdown_seconds_left < 10))))
			{
				do_automap();
				return window_event_result::handled;
			}
		}
		if (Player_is_dead != player_dead_state::no)
			return window_event_result::ignored;
		do_weapon_n_item_stuff();
	}
	return window_event_result::ignored;
}