SRB2/src/g_game.c

// SONIC ROBO BLAST 2
//-----------------------------------------------------------------------------
// Copyright (C) 1993-1996 by id Software, Inc.
// Copyright (C) 1998-2000 by DooM Legacy Team.
// Copyright (C) 1999-2018 by Sonic Team Junior.
//
// This program is free software distributed under the
// terms of the GNU General Public License, version 2.
// See the 'LICENSE' file for more details.
//-----------------------------------------------------------------------------
/// \file  g_game.c
/// \brief game loop functions, events handling

#include "doomdef.h"
#include "console.h"
#include "d_main.h"
#include "d_player.h"
#include "d_clisrv.h"
#include "f_finale.h"
#include "p_setup.h"
#include "p_saveg.h"
#include "i_system.h"
#include "am_map.h"
#include "m_random.h"
#include "p_local.h"
#include "r_draw.h"
#include "r_main.h"
#include "s_sound.h"
#include "g_game.h"
#include "m_cheat.h"
#include "m_misc.h"
#include "m_menu.h"
#include "m_argv.h"
#include "hu_stuff.h"
#include "st_stuff.h"
#include "z_zone.h"
#include "i_video.h"
#include "byteptr.h"
#include "i_joy.h"
#include "r_local.h"
#include "r_things.h"
#include "y_inter.h"
#include "v_video.h"
#include "dehacked.h" // get_number (for ghost thok)
#include "lua_hook.h"
#include "b_bot.h"
#include "m_cond.h" // condition sets
#include "md5.h" // demo checksums

gameaction_t gameaction;
gamestate_t gamestate = GS_NULL;
UINT8 ultimatemode = false;

boolean botingame;
UINT8 botskin;
UINT8 botcolor;

JoyType_t Joystick;
JoyType_t Joystick2;

// 1024 bytes is plenty for a savegame
#define SAVEGAMESIZE (1024)

char gamedatafilename[64] = "gamedata.dat";
char timeattackfolder[64] = "main";
char customversionstring[32] = "\0";

static void G_DoCompleted(void);
static void G_DoStartContinue(void);
static void G_DoContinued(void);
static void G_DoWorldDone(void);

char   mapmusname[7]; // Music name
UINT16 mapmusflags; // Track and reset bit
UINT32 mapmusposition; // Position to jump to

INT16 gamemap = 1;
INT16 maptol;
UINT8 globalweather = 0;
INT32 curWeather = PRECIP_NONE;
INT32 cursaveslot = 0; // Auto-save 1p savegame slot
//INT16 lastmapsaved = 0; // Last map we auto-saved at
INT16 lastmaploaded = 0; // Last map the game loaded
boolean gamecomplete = false;

UINT8 numgameovers = 0; // for startinglives balance
SINT8 startinglivesbalance[maxgameovers+1] = {3, 5, 7, 9, 12, 15, 20, 25, 30, 40, 50, 75, 99, 0x7F};

UINT16 mainwads = 0;
boolean modifiedgame; // Set if homebrew PWAD stuff has been added.
boolean savemoddata = false;
UINT8 paused;
UINT8 modeattacking = ATTACKING_NONE;
boolean disableSpeedAdjust = false;
boolean imcontinuing = false;
boolean runemeraldmanager = false;
UINT16 emeraldspawndelay = 60*TICRATE;

// menu demo things
UINT8  numDemos      = 0;
UINT32 demoDelayTime = 15*TICRATE;
UINT32 demoIdleTime  = 3*TICRATE;

boolean timingdemo; // if true, exit with report on completion
boolean nodrawers; // for comparative timing purposes
boolean noblit; // for comparative timing purposes
static tic_t demostarttime; // for comparative timing purposes

boolean netgame; // only true if packets are broadcast
boolean multiplayer;
boolean playeringame[MAXPLAYERS];
boolean addedtogame;
player_t players[MAXPLAYERS];

INT32 consoleplayer; // player taking events and displaying
INT32 displayplayer; // view being displayed
INT32 secondarydisplayplayer; // for splitscreen

tic_t gametic;
tic_t levelstarttic; // gametic at level start
UINT32 ssspheres; // old special stage
INT16 lastmap; // last level you were at (returning from special stages)
tic_t timeinmap; // Ticker for time spent in level (used for levelcard display)

INT16 spstage_start;
INT16 sstage_start, sstage_end, smpstage_start, smpstage_end;

INT16 titlemap = 0;
boolean hidetitlepics = false;
INT16 bootmap; //bootmap for loading a map on startup

INT16 tutorialmap = 0; // map to load for tutorial
boolean tutorialmode = false; // are we in a tutorial right now?
INT32 tutorialgcs = gcs_custom; // which control scheme is loaded?
INT32 tutorialusemouse = 0; // store cv_usemouse user value
INT32 tutorialfreelook = 0; // store cv_alwaysfreelook user value
INT32 tutorialmousemove = 0; // store cv_mousemove user value
INT32 tutorialanalog = 0; // store cv_analog user value

boolean looptitle = false;

UINT8 skincolor_redteam = SKINCOLOR_RED;
UINT8 skincolor_blueteam = SKINCOLOR_BLUE;
UINT8 skincolor_redring = SKINCOLOR_SALMON;
UINT8 skincolor_bluering = SKINCOLOR_CORNFLOWER;

tic_t countdowntimer = 0;
boolean countdowntimeup = false;
boolean exitfadestarted = false;

cutscene_t *cutscenes[128];
textprompt_t *textprompts[MAX_PROMPTS];

INT16 nextmapoverride;
UINT8 skipstats;

// Pointers to each CTF flag
mobj_t *redflag;
mobj_t *blueflag;
// Pointers to CTF spawn location
mapthing_t *rflagpoint;
mapthing_t *bflagpoint;

struct quake quake;

// Map Header Information
mapheader_t* mapheaderinfo[NUMMAPS] = {NULL};

static boolean exitgame = false;
static boolean retrying = false;

UINT8 stagefailed; // Used for GEMS BONUS? Also to see if you beat the stage.

UINT16 emeralds;
UINT32 token; // Number of tokens collected in a level
UINT32 tokenlist; // List of tokens collected
boolean gottoken; // Did you get a token? Used for end of act
INT32 tokenbits; // Used for setting token bits

// Old Special Stage
INT32 sstimer; // Time allotted in the special stage

tic_t totalplaytime;
boolean gamedataloaded = false;

// Time attack data for levels
// These are dynamically allocated for space reasons now
recorddata_t *mainrecords[NUMMAPS]   = {NULL};
nightsdata_t *nightsrecords[NUMMAPS] = {NULL};
UINT8 mapvisited[NUMMAPS];

// Temporary holding place for nights data for the current map
nightsdata_t ntemprecords;

UINT32 bluescore, redscore; // CTF and Team Match team scores

// ring count... for PERFECT!
INT32 nummaprings = 0;

// Elminates unnecessary searching.
boolean CheckForBustableBlocks;
boolean CheckForBouncySector;
boolean CheckForQuicksand;
boolean CheckForMarioBlocks;
boolean CheckForFloatBob;
boolean CheckForReverseGravity;

// Powerup durations
UINT16 invulntics = 20*TICRATE;
UINT16 sneakertics = 20*TICRATE;
UINT16 flashingtics = 3*TICRATE;
UINT16 tailsflytics = 8*TICRATE;
UINT16 underwatertics = 30*TICRATE;
UINT16 spacetimetics = 11*TICRATE + (TICRATE/2);
UINT16 extralifetics = 4*TICRATE;
UINT16 nightslinktics = 2*TICRATE;

INT32 gameovertics = 15*TICRATE;

UINT8 ammoremovaltics = 2*TICRATE;

UINT8 use1upSound = 0;
UINT8 maxXtraLife = 2; // Max extra lives from rings

UINT8 introtoplay;
UINT8 creditscutscene;

// Emerald locations
mobj_t *hunt1;
mobj_t *hunt2;
mobj_t *hunt3;

UINT32 countdown, countdown2; // for racing

fixed_t gravity;

INT16 autobalance; //for CTF team balance
INT16 teamscramble; //for CTF team scramble
INT16 scrambleplayers[MAXPLAYERS]; //for CTF team scramble
INT16 scrambleteams[MAXPLAYERS]; //for CTF team scramble
INT16 scrambletotal; //for CTF team scramble
INT16 scramblecount; //for CTF team scramble

INT32 cheats; //for multiplayer cheat commands

tic_t hidetime;

// Grading
UINT32 timesBeaten;
UINT32 timesBeatenWithEmeralds;
UINT32 timesBeatenUltimate;

static char demoname[64];
boolean demorecording;
boolean demoplayback;
boolean titledemo; // Title Screen demo can be cancelled by any key
static UINT8 *demobuffer = NULL;
static UINT8 *demo_p, *demotime_p;
static UINT8 *demoend;
static UINT8 demoflags;
static UINT16 demoversion;
boolean singledemo; // quit after playing a demo from cmdline
boolean demo_start; // don't start playing demo right away
boolean demosynced = true; // console warning message

boolean metalrecording; // recording as metal sonic
mobj_t *metalplayback;
static UINT8 *metalbuffer = NULL;
static UINT8 *metal_p;
static UINT16 metalversion;

// extra data stuff (events registered this frame while recording)
static struct {
	UINT8 flags; // EZT flags

	// EZT_COLOR
	UINT8 color, lastcolor;

	// EZT_SCALE
	fixed_t scale, lastscale;

	// EZT_HIT
	UINT16 hits;
	mobj_t **hitlist;
} ghostext;

// Your naming conventions are stupid and useless.
// There is no conflict here.
typedef struct demoghost {
	UINT8 checksum[16];
	UINT8 *buffer, *p, color;
	UINT16 version;
	mobj_t oldmo, *mo;
	struct demoghost *next;
} demoghost;
demoghost *ghosts = NULL;

boolean precache = true; // if true, load all graphics at start

INT16 prevmap, nextmap;

static UINT8 *savebuffer;

// Analog Control
static void UserAnalog_OnChange(void);
static void UserAnalog2_OnChange(void);
static void Analog_OnChange(void);
static void Analog2_OnChange(void);
static void DirectionChar_OnChange(void);
static void DirectionChar2_OnChange(void);
static void AutoBrake_OnChange(void);
static void AutoBrake2_OnChange(void);
void SendWeaponPref(void);
void SendWeaponPref2(void);

static CV_PossibleValue_t crosshair_cons_t[] = {{0, "Off"}, {1, "Cross"}, {2, "Angle"}, {3, "Point"}, {0, NULL}};
static CV_PossibleValue_t joyaxis_cons_t[] = {{0, "None"},
{1, "X-Axis"}, {2, "Y-Axis"}, {-1, "X-Axis-"}, {-2, "Y-Axis-"},
#if JOYAXISSET > 1
{3, "Z-Axis"}, {4, "X-Rudder"}, {-3, "Z-Axis-"}, {-4, "X-Rudder-"},
#endif
#if JOYAXISSET > 2
{5, "Y-Rudder"}, {6, "Z-Rudder"}, {-5, "Y-Rudder-"}, {-6, "Z-Rudder-"},
#endif
#if JOYAXISSET > 3
{7, "U-Axis"}, {8, "V-Axis"}, {-7, "U-Axis-"}, {-8, "V-Axis-"},
#endif
 {0, NULL}};
#if JOYAXISSET > 4
"More Axis Sets"
#endif

// don't mind me putting these here, I was lazy to figure out where else I could put those without blowing up the compiler.

// it automatically becomes compact with 20+ players, but if you like it, I guess you can turn that on!
consvar_t cv_compactscoreboard= {"compactscoreboard", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};

// chat timer thingy
static CV_PossibleValue_t chattime_cons_t[] = {{5, "MIN"}, {999, "MAX"}, {0, NULL}};
consvar_t cv_chattime = {"chattime", "8", CV_SAVE, chattime_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};

// chatwidth
static CV_PossibleValue_t chatwidth_cons_t[] = {{64, "MIN"}, {150, "MAX"}, {0, NULL}};
consvar_t cv_chatwidth = {"chatwidth", "128", CV_SAVE, chatwidth_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};

// chatheight
static CV_PossibleValue_t chatheight_cons_t[] = {{6, "MIN"}, {22, "MAX"}, {0, NULL}};
consvar_t cv_chatheight= {"chatheight", "8", CV_SAVE, chatheight_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};

// chat notifications (do you want to hear beeps? I'd understand if you didn't.)
consvar_t cv_chatnotifications= {"chatnotifications", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};

// chat spam protection (why would you want to disable that???)
consvar_t cv_chatspamprotection= {"chatspamprotection", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};

// minichat text background
consvar_t cv_chatbacktint = {"chatbacktint", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};

// old shit console chat. (mostly exists for stuff like terminal, not because I cared if anyone liked the old chat.)
static CV_PossibleValue_t consolechat_cons_t[] = {{0, "Window"}, {1, "Console"}, {2, "Window (Hidden)"}, {0, NULL}};
consvar_t cv_consolechat = {"chatmode", "Window", CV_SAVE, consolechat_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};


consvar_t cv_crosshair = {"crosshair", "Cross", CV_SAVE, crosshair_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_crosshair2 = {"crosshair2", "Cross", CV_SAVE, crosshair_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_invertmouse = {"invertmouse", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_alwaysfreelook = {"alwaysmlook", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_invertmouse2 = {"invertmouse2", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_alwaysfreelook2 = {"alwaysmlook2", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_chasefreelook = {"chasemlook", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_chasefreelook2 = {"chasemlook2", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_mousemove = {"mousemove", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_mousemove2 = {"mousemove2", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};

// previously "analog", "analog2", "useranalog", and "useranalog2", invalidating 2.1-era copies of config.cfg
// changed because it'd be nice to see people try out our actually good controls with gamepads now autobrake exists
consvar_t cv_analog = {"sessionanalog", "Off", CV_CALL|CV_NOSHOWHELP, CV_OnOff, Analog_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_analog2 = {"sessionanalog2", "Off", CV_CALL|CV_NOSHOWHELP, CV_OnOff, Analog2_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_useranalog = {"configanalog", "Off", CV_SAVE|CV_CALL|CV_NOSHOWHELP, CV_OnOff, UserAnalog_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_useranalog2 = {"configanalog2", "Off", CV_SAVE|CV_CALL|CV_NOSHOWHELP, CV_OnOff, UserAnalog2_OnChange, 0, NULL, NULL, 0, 0, NULL};

// deez New User eXperiences
static CV_PossibleValue_t directionchar_cons_t[] = {{0, "Camera"}, {1, "Movement"}, {0, NULL}};
consvar_t cv_directionchar = {"directionchar", "Movement", CV_SAVE|CV_CALL, directionchar_cons_t, DirectionChar_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_directionchar2 = {"directionchar2", "Movement", CV_SAVE|CV_CALL, directionchar_cons_t, DirectionChar2_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_autobrake = {"autobrake", "On", CV_SAVE|CV_CALL, CV_OnOff, AutoBrake_OnChange, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_autobrake2 = {"autobrake2", "On", CV_SAVE|CV_CALL, CV_OnOff, AutoBrake2_OnChange, 0, NULL, NULL, 0, 0, NULL};

typedef enum
{
	AXISNONE = 0,
	AXISTURN,
	AXISMOVE,
	AXISLOOK,
	AXISSTRAFE,
	AXISDEAD, //Axises that don't want deadzones
	AXISJUMP,
	AXISSPIN,
	AXISFIRE,
	AXISFIRENORMAL,
} axis_input_e;

consvar_t cv_turnaxis = {"joyaxis_turn", "X-Rudder", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_moveaxis = {"joyaxis_move", "Y-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_sideaxis = {"joyaxis_side", "X-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_lookaxis = {"joyaxis_look", "Y-Rudder-", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_jumpaxis = {"joyaxis_jump", "None", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_spinaxis = {"joyaxis_spin", "None", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_fireaxis = {"joyaxis_fire", "Z-Axis-", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_firenaxis = {"joyaxis_firenormal", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};

consvar_t cv_turnaxis2 = {"joyaxis2_turn", "X-Rudder", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_moveaxis2 = {"joyaxis2_move", "Y-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_sideaxis2 = {"joyaxis2_side", "X-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_lookaxis2 = {"joyaxis2_look", "Y-Rudder-", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_jumpaxis2 = {"joyaxis2_jump", "None", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_spinaxis2 = {"joyaxis2_spin", "None", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_fireaxis2 = {"joyaxis2_fire", "Z-Axis-", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};
consvar_t cv_firenaxis2 = {"joyaxis2_firenormal", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL};

#ifdef SEENAMES
player_t *seenplayer; // player we're aiming at right now
#endif

// now automatically allocated in D_RegisterClientCommands
// so that it doesn't have to be updated depending on the value of MAXPLAYERS
char player_names[MAXPLAYERS][MAXPLAYERNAME+1];

INT16 rw_maximums[NUM_WEAPONS] =
{
	800, // MAX_INFINITY
	400, // MAX_AUTOMATIC
	100, // MAX_BOUNCE
	50,  // MAX_SCATTER
	100, // MAX_GRENADE
	50,  // MAX_EXPLOSION
	50   // MAX_RAIL
};

// Allocation for time and nights data
void G_AllocMainRecordData(INT16 i)
{
	if (!mainrecords[i])
		mainrecords[i] = Z_Malloc(sizeof(recorddata_t), PU_STATIC, NULL);
	memset(mainrecords[i], 0, sizeof(recorddata_t));
}

void G_AllocNightsRecordData(INT16 i)
{
	if (!nightsrecords[i])
		nightsrecords[i] = Z_Malloc(sizeof(nightsdata_t), PU_STATIC, NULL);
	memset(nightsrecords[i], 0, sizeof(nightsdata_t));
}

// MAKE SURE YOU SAVE DATA BEFORE CALLING THIS
void G_ClearRecords(void)
{
	INT16 i;
	for (i = 0; i < NUMMAPS; ++i)
	{
		if (mainrecords[i])
		{
			Z_Free(mainrecords[i]);
			mainrecords[i] = NULL;
		}
		if (nightsrecords[i])
		{
			Z_Free(nightsrecords[i]);
			nightsrecords[i] = NULL;
		}
	}
}

// For easy retrieval of records
UINT32 G_GetBestScore(INT16 map)
{
	if (!mainrecords[map-1])
		return 0;

	return mainrecords[map-1]->score;
}

tic_t G_GetBestTime(INT16 map)
{
	if (!mainrecords[map-1] || mainrecords[map-1]->time <= 0)
		return (tic_t)UINT32_MAX;

	return mainrecords[map-1]->time;
}

UINT16 G_GetBestRings(INT16 map)
{
	if (!mainrecords[map-1])
		return 0;

	return mainrecords[map-1]->rings;
}

UINT32 G_GetBestNightsScore(INT16 map, UINT8 mare)
{
	if (!nightsrecords[map-1])
		return 0;

	return nightsrecords[map-1]->score[mare];
}

tic_t G_GetBestNightsTime(INT16 map, UINT8 mare)
{
	if (!nightsrecords[map-1] || nightsrecords[map-1]->time[mare] <= 0)
		return (tic_t)UINT32_MAX;

	return nightsrecords[map-1]->time[mare];
}

UINT8 G_GetBestNightsGrade(INT16 map, UINT8 mare)
{
	if (!nightsrecords[map-1])
		return 0;

	return nightsrecords[map-1]->grade[mare];
}

// For easy adding of NiGHTS records
void G_AddTempNightsRecords(UINT32 pscore, tic_t ptime, UINT8 mare)
{
	ntemprecords.score[mare] = pscore;
	ntemprecords.grade[mare] = P_GetGrade(pscore, gamemap, mare - 1);
	ntemprecords.time[mare] = ptime;

	// Update nummares
	// Note that mare "0" is overall, mare "1" is the first real mare
	if (ntemprecords.nummares < mare)
		ntemprecords.nummares = mare;
}

void G_SetNightsRecords(void)
{
	INT32 i;
	UINT32 totalscore = 0;
	tic_t totaltime = 0;

	const size_t glen = strlen(srb2home)+1+strlen("replay")+1+strlen(timeattackfolder)+1+strlen("MAPXX")+1;
	char *gpath;
	char lastdemo[256], bestdemo[256];

	if (!ntemprecords.nummares)
		return;

	// Set overall
	{
		UINT8 totalrank = 0, realrank = 0;

		for (i = 1; i <= ntemprecords.nummares; ++i)
		{
			totalscore += ntemprecords.score[i];
			totalrank += ntemprecords.grade[i];
			totaltime += ntemprecords.time[i];
		}

		// Determine overall grade
		realrank = (UINT8)((FixedDiv((fixed_t)totalrank << FRACBITS, ntemprecords.nummares << FRACBITS) + (FRACUNIT/2)) >> FRACBITS);

		// You need ALL rainbow As to get a rainbow A overall
		if (realrank == GRADE_S && (totalrank / ntemprecords.nummares) != GRADE_S)
			realrank = GRADE_A;

		ntemprecords.score[0] = totalscore;
		ntemprecords.grade[0] = realrank;
		ntemprecords.time[0] = totaltime;
	}

	// Now take all temp records and put them in the actual records
	{
		nightsdata_t *maprecords;

		if (!nightsrecords[gamemap-1])
			G_AllocNightsRecordData(gamemap-1);
		maprecords = nightsrecords[gamemap-1];

		if (maprecords->nummares != ntemprecords.nummares)
			maprecords->nummares = ntemprecords.nummares;

		for (i = 0; i < ntemprecords.nummares + 1; ++i)
		{
			if (maprecords->score[i] < ntemprecords.score[i])
				maprecords->score[i] = ntemprecords.score[i];
			if (maprecords->grade[i] < ntemprecords.grade[i])
				maprecords->grade[i] = ntemprecords.grade[i];
			if (!maprecords->time[i] || maprecords->time[i] > ntemprecords.time[i])
				maprecords->time[i] = ntemprecords.time[i];
		}
	}

	memset(&ntemprecords, 0, sizeof(nightsdata_t));

	// Save demo!
	bestdemo[255] = '\0';
	lastdemo[255] = '\0';
	G_SetDemoTime(totaltime, totalscore, 0);
	G_CheckDemoStatus();

	I_mkdir(va("%s"PATHSEP"replay", srb2home), 0755);
	I_mkdir(va("%s"PATHSEP"replay"PATHSEP"%s", srb2home, timeattackfolder), 0755);

	if ((gpath = malloc(glen)) == NULL)
		I_Error("Out of memory for replay filepath\n");

	sprintf(gpath,"%s"PATHSEP"replay"PATHSEP"%s"PATHSEP"%s", srb2home, timeattackfolder, G_BuildMapName(gamemap));
	snprintf(lastdemo, 255, "%s-last.lmp", gpath);

	if (FIL_FileExists(lastdemo))
	{
		UINT8 *buf;
		size_t len = FIL_ReadFile(lastdemo, &buf);

		snprintf(bestdemo, 255, "%s-time-best.lmp", gpath);
		if (!FIL_FileExists(bestdemo) || G_CmpDemoTime(bestdemo, lastdemo) & 1)
		{ // Better time, save this demo.
			if (FIL_FileExists(bestdemo))
				remove(bestdemo);
			FIL_WriteFile(bestdemo, buf, len);
			CONS_Printf("\x83%s\x80 %s '%s'\n", M_GetText("NEW RECORD TIME!"), M_GetText("Saved replay as"), bestdemo);
		}

		snprintf(bestdemo, 255, "%s-score-best.lmp", gpath);
		if (!FIL_FileExists(bestdemo) || (G_CmpDemoTime(bestdemo, lastdemo) & (1<<1)))
		{ // Better score, save this demo.
			if (FIL_FileExists(bestdemo))
				remove(bestdemo);
			FIL_WriteFile(bestdemo, buf, len);
			CONS_Printf("\x83%s\x80 %s '%s'\n", M_GetText("NEW HIGH SCORE!"), M_GetText("Saved replay as"), bestdemo);
		}

		//CONS_Printf("%s '%s'\n", M_GetText("Saved replay as"), lastdemo);

		Z_Free(buf);
	}
	free(gpath);

	// If the mare count changed, this will update the score display
	Nextmap_OnChange();
}

// for consistency among messages: this modifies the game and removes savemoddata.
void G_SetGameModified(boolean silent)
{
	if (modifiedgame && !savemoddata)
		return;

	modifiedgame = true;
	savemoddata = false;

	if (!silent)
		CONS_Alert(CONS_NOTICE, M_GetText("Game must be restarted to record statistics.\n"));

	// If in record attack recording, cancel it.
	if (modeattacking)
		M_EndModeAttackRun();
}

/** Builds an original game map name from a map number.
  * The complexity is due to MAPA0-MAPZZ.
  *
  * \param map Map number.
  * \return Pointer to a static buffer containing the desired map name.
  * \sa M_MapNumber
  */
const char *G_BuildMapName(INT32 map)
{
	static char mapname[10] = "MAPXX"; // internal map name (wad resource name)

	I_Assert(map > 0);
	I_Assert(map <= NUMMAPS);

	if (map < 100)
		sprintf(&mapname[3], "%.2d", map);
	else
	{
		mapname[3] = (char)('A' + (char)((map - 100) / 36));
		if ((map - 100) % 36 < 10)
			mapname[4] = (char)('0' + (char)((map - 100) % 36));
		else
			mapname[4] = (char)('A' + (char)((map - 100) % 36) - 10);
		mapname[5] = '\0';
	}

	return mapname;
}

/** Clips the console player's mouse aiming to the current view.
  * Used whenever the player view is changed manually.
  *
  * \param aiming Pointer to the vertical angle to clip.
  * \return Short version of the clipped angle for building a ticcmd.
  */
INT16 G_ClipAimingPitch(INT32 *aiming)
{
	INT32 limitangle;

	limitangle = ANGLE_90 - 1;

	if (*aiming > limitangle)
		*aiming = limitangle;
	else if (*aiming < -limitangle)
		*aiming = -limitangle;

	return (INT16)((*aiming)>>16);
}

INT16 G_SoftwareClipAimingPitch(INT32 *aiming)
{
	INT32 limitangle;

	// note: the current software mode implementation doesn't have true perspective
	limitangle = ANGLE_90 - ANG10; // Some viewing fun, but not too far down...

	if (*aiming > limitangle)
		*aiming = limitangle;
	else if (*aiming < -limitangle)
		*aiming = -limitangle;

	return (INT16)((*aiming)>>16);
}

static INT32 JoyAxis(axis_input_e axissel)
{
	INT32 retaxis;
	INT32 axisval;
	boolean flp = false;

	//find what axis to get
	switch (axissel)
	{
		case AXISTURN:
			axisval = cv_turnaxis.value;
			break;
		case AXISMOVE:
			axisval = cv_moveaxis.value;
			break;
		case AXISLOOK:
			axisval = cv_lookaxis.value;
			break;
		case AXISSTRAFE:
			axisval = cv_sideaxis.value;
			break;
		case AXISJUMP:
			axisval = cv_jumpaxis.value;
			break;
		case AXISSPIN:
			axisval = cv_spinaxis.value;
			break;
		case AXISFIRE:
			axisval = cv_fireaxis.value;
			break;
		case AXISFIRENORMAL:
			axisval = cv_firenaxis.value;
			break;
		default:
			return 0;
	}

	if (axisval < 0) //odd -axises
	{
		axisval = -axisval;
		flp = true;
	}
	if (axisval > JOYAXISSET*2 || axisval == 0) //not there in array or None
		return 0;

	if (axisval%2)
	{
		axisval /= 2;
		retaxis = joyxmove[axisval];
	}
	else
	{
		axisval--;
		axisval /= 2;
		retaxis = joyymove[axisval];
	}

	if (retaxis < (-JOYAXISRANGE))
		retaxis = -JOYAXISRANGE;
	if (retaxis > (+JOYAXISRANGE))
		retaxis = +JOYAXISRANGE;
	if (!Joystick.bGamepadStyle && axissel < AXISDEAD)
	{
		const INT32 jdeadzone = JOYAXISRANGE/4;
		if (-jdeadzone < retaxis && retaxis < jdeadzone)
			return 0;
	}
	if (flp) retaxis = -retaxis; //flip it around
	return retaxis;
}

static INT32 Joy2Axis(axis_input_e axissel)
{
	INT32 retaxis;
	INT32 axisval;
	boolean flp = false;

	//find what axis to get
	switch (axissel)
	{
		case AXISTURN:
			axisval = cv_turnaxis2.value;
			break;
		case AXISMOVE:
			axisval = cv_moveaxis2.value;
			break;
		case AXISLOOK:
			axisval = cv_lookaxis2.value;
			break;
		case AXISSTRAFE:
			axisval = cv_sideaxis2.value;
			break;
		case AXISJUMP:
			axisval = cv_jumpaxis2.value;
			break;
		case AXISSPIN:
			axisval = cv_spinaxis2.value;
			break;
		case AXISFIRE:
			axisval = cv_fireaxis2.value;
			break;
		case AXISFIRENORMAL:
			axisval = cv_firenaxis2.value;
			break;
		default:
			return 0;
	}


	if (axisval < 0) //odd -axises
	{
		axisval = -axisval;
		flp = true;
	}

	if (axisval > JOYAXISSET*2 || axisval == 0) //not there in array or None
		return 0;

	if (axisval%2)
	{
		axisval /= 2;
		retaxis = joy2xmove[axisval];
	}
	else
	{
		axisval--;
		axisval /= 2;
		retaxis = joy2ymove[axisval];
	}

	if (retaxis < (-JOYAXISRANGE))
		retaxis = -JOYAXISRANGE;
	if (retaxis > (+JOYAXISRANGE))
		retaxis = +JOYAXISRANGE;
	if (!Joystick2.bGamepadStyle && axissel < AXISDEAD)
	{
		const INT32 jdeadzone = JOYAXISRANGE/4;
		if (-jdeadzone < retaxis && retaxis < jdeadzone)
			return 0;
	}
	if (flp) retaxis = -retaxis; //flip it around
	return retaxis;
}


//
// G_BuildTiccmd
// Builds a ticcmd from all of the available inputs
// or reads it from the demo buffer.
// If recording a demo, write it out
//
// set secondaryplayer true to build player 2's ticcmd in splitscreen mode
//
INT32 localaiming, localaiming2;
angle_t localangle, localangle2;

static fixed_t forwardmove[2] = {25<<FRACBITS>>16, 50<<FRACBITS>>16};
static fixed_t sidemove[2] = {25<<FRACBITS>>16, 50<<FRACBITS>>16}; // faster!
static fixed_t angleturn[3] = {640, 1280, 320}; // + slow turn

void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics)
{
	boolean forcestrafe = false;
	INT32 tspeed, forward, side, axis, altaxis, i;
	const INT32 speed = 1;
	// these ones used for multiple conditions
	boolean turnleft, turnright, strafelkey, straferkey, movefkey, movebkey, mouseaiming, analogjoystickmove, gamepadjoystickmove, thisjoyaiming;
	player_t *player = &players[consoleplayer];
	camera_t *thiscam = &camera;

	static INT32 turnheld; // for accelerative turning
	static boolean keyboard_look; // true if lookup/down using keyboard
	static boolean resetdown; // don't cam reset every frame
	static boolean joyaiming; // check the last frame's value if we need to reset the camera

	G_CopyTiccmd(cmd, I_BaseTiccmd(), 1); // empty, or external driver

	// why build a ticcmd if we're paused?
	// Or, for that matter, if we're being reborn.
	// ...OR if we're blindfolded. No looking into the floor.
	if (paused || P_AutoPause() || (gamestate == GS_LEVEL && (player->playerstate == PST_REBORN || ((gametype == GT_TAG || gametype == GT_HIDEANDSEEK)
	&& (leveltime < hidetime * TICRATE) && (player->pflags & PF_TAGIT)))))
	{
		cmd->angleturn = (INT16)(localangle >> 16);
		cmd->aiming = G_ClipAimingPitch(&localaiming);
		return;
	}

	turnright = PLAYER1INPUTDOWN(gc_turnright);
	turnleft = PLAYER1INPUTDOWN(gc_turnleft);

	straferkey = PLAYER1INPUTDOWN(gc_straferight);
	strafelkey = PLAYER1INPUTDOWN(gc_strafeleft);
	movefkey = PLAYER1INPUTDOWN(gc_forward);
	movebkey = PLAYER1INPUTDOWN(gc_backward);

	mouseaiming = (PLAYER1INPUTDOWN(gc_mouseaiming)) ^
		(cv_chasecam.value ? cv_chasefreelook.value : cv_alwaysfreelook.value);
	analogjoystickmove = cv_usejoystick.value && !Joystick.bGamepadStyle;
	gamepadjoystickmove = cv_usejoystick.value && Joystick.bGamepadStyle;

	thisjoyaiming = (cv_chasecam.value) ? cv_chasefreelook.value : cv_alwaysfreelook.value;

	// Reset the vertical look if we're no longer joyaiming
	if (!thisjoyaiming && joyaiming)
		localaiming = 0;
	joyaiming = thisjoyaiming;

	axis = JoyAxis(AXISTURN);
	if (gamepadjoystickmove && axis != 0)
	{
		turnright = turnright || (axis > 0);
		turnleft = turnleft || (axis < 0);
	}
	forward = side = 0;

	// use two stage accelerative turning
	// on the keyboard and joystick
	if (turnleft || turnright)
		turnheld += realtics;
	else
		turnheld = 0;

	if (turnheld < SLOWTURNTICS)
		tspeed = 2; // slow turn
	else
		tspeed = speed;

	// let movement keys cancel each other out
	if (cv_analog.value) // Analog
	{
		if (turnright)
			cmd->angleturn = (INT16)(cmd->angleturn - angleturn[tspeed]);
		if (turnleft)
			cmd->angleturn = (INT16)(cmd->angleturn + angleturn[tspeed]);
	}
	if (twodlevel
		|| (player->mo && (player->mo->flags2 & MF2_TWOD))
		|| (!demoplayback && (player->climbing
		|| (player->powers[pw_carry] == CR_NIGHTSMODE)
		|| (player->pflags & (PF_SLIDING|PF_FORCESTRAFE))))) // Analog
			forcestrafe = true;
	if (forcestrafe)
	{
		if (turnright)
			side += sidemove[speed];
		if (turnleft)
			side -= sidemove[speed];

		if (analogjoystickmove && axis != 0)
		{
			// JOYAXISRANGE is supposed to be 1023 (divide by 1024)
			side += ((axis * sidemove[1]) >> 10);
		}
	}
	else if (cv_analog.value) // Analog
	{
		if (turnright)
			cmd->buttons |= BT_CAMRIGHT;
		if (turnleft)
			cmd->buttons |= BT_CAMLEFT;
	}
	else
	{
		if (turnright)
			cmd->angleturn = (INT16)(cmd->angleturn - angleturn[tspeed]);
		else if (turnleft)
			cmd->angleturn = (INT16)(cmd->angleturn + angleturn[tspeed]);

		if (analogjoystickmove && axis != 0)
		{
			// JOYAXISRANGE should be 1023 (divide by 1024)
			cmd->angleturn = (INT16)(cmd->angleturn - ((axis * angleturn[1]) >> 10)); // ANALOG!
		}
	}

	axis = JoyAxis(AXISSTRAFE);
	if (gamepadjoystickmove && axis != 0)
	{
		if (axis < 0)
			side += sidemove[speed];
		else if (axis > 0)
			side -= sidemove[speed];
	}
	else if (analogjoystickmove && axis != 0)
	{
		// JOYAXISRANGE is supposed to be 1023 (divide by 1024)
		side += ((axis * sidemove[1]) >> 10);
	}

	// forward with key or button
	axis = JoyAxis(AXISMOVE);
	altaxis = JoyAxis(AXISLOOK);
	if (movefkey || (gamepadjoystickmove && axis < 0)
		|| ((player->powers[pw_carry] == CR_NIGHTSMODE)
			&& (PLAYER1INPUTDOWN(gc_lookup) || (gamepadjoystickmove && altaxis < 0))))
		forward = forwardmove[speed];
	if (movebkey || (gamepadjoystickmove && axis > 0)
		|| ((player->powers[pw_carry] == CR_NIGHTSMODE)
			&& (PLAYER1INPUTDOWN(gc_lookdown) || (gamepadjoystickmove && altaxis > 0))))
		forward -= forwardmove[speed];

	if (analogjoystickmove && axis != 0)
		forward -= ((axis * forwardmove[1]) >> 10); // ANALOG!

	// some people strafe left & right with mouse buttons
	// those people are weird
	if (straferkey)
		side += sidemove[speed];
	if (strafelkey)
		side -= sidemove[speed];

	if (PLAYER1INPUTDOWN(gc_weaponnext))
		cmd->buttons |= BT_WEAPONNEXT; // Next Weapon
	if (PLAYER1INPUTDOWN(gc_weaponprev))
		cmd->buttons |= BT_WEAPONPREV; // Previous Weapon

#if NUM_WEAPONS > 10
"Add extra inputs to g_input.h/gamecontrols_e"
#endif
	//use the four avaliable bits to determine the weapon.
	cmd->buttons &= ~BT_WEAPONMASK;
	for (i = 0; i < NUM_WEAPONS; ++i)
		if (PLAYER1INPUTDOWN(gc_wepslot1 + i))
		{
			cmd->buttons |= (UINT16)(i + 1);
			break;
		}

	// fire with any button/key
	axis = JoyAxis(AXISFIRE);
	if (PLAYER1INPUTDOWN(gc_fire) || (cv_usejoystick.value && axis > 0))
		cmd->buttons |= BT_ATTACK;

	// fire normal with any button/key
	axis = JoyAxis(AXISFIRENORMAL);
	if (PLAYER1INPUTDOWN(gc_firenormal) || (cv_usejoystick.value && axis > 0))
		cmd->buttons |= BT_FIRENORMAL;

	if (PLAYER1INPUTDOWN(gc_tossflag))
		cmd->buttons |= BT_TOSSFLAG;

	// Lua scriptable buttons
	if (PLAYER1INPUTDOWN(gc_custom1))
		cmd->buttons |= BT_CUSTOM1;
	if (PLAYER1INPUTDOWN(gc_custom2))
		cmd->buttons |= BT_CUSTOM2;
	if (PLAYER1INPUTDOWN(gc_custom3))
		cmd->buttons |= BT_CUSTOM3;

	// use with any button/key
	axis = JoyAxis(AXISSPIN);
	if (PLAYER1INPUTDOWN(gc_use) || (cv_usejoystick.value && axis > 0))
		cmd->buttons |= BT_USE;

	if (PLAYER1INPUTDOWN(gc_camreset))
	{
		if (camera.chase && !resetdown)
			P_ResetCamera(&players[displayplayer], &camera);
		resetdown = true;
	}
	else
		resetdown = false;

	// jump button
	axis = JoyAxis(AXISJUMP);
	if (PLAYER1INPUTDOWN(gc_jump) || (cv_usejoystick.value && axis > 0))
		cmd->buttons |= BT_JUMP;

	// player aiming shit, ahhhh...
	{
		INT32 player_invert = cv_invertmouse.value ? -1 : 1;
		INT32 screen_invert =
			(player->mo && (player->mo->eflags & MFE_VERTICALFLIP)
			 && (!camera.chase || player->pflags & PF_FLIPCAM)) //because chasecam's not inverted
			 ? -1 : 1; // set to -1 or 1 to multiply

		// mouse look stuff (mouse look is not the same as mouse aim)
		if (mouseaiming)
		{
			keyboard_look = false;

			// looking up/down
			localaiming += (mlooky<<19)*player_invert*screen_invert;
		}

		axis = JoyAxis(AXISLOOK);
		if (analogjoystickmove && joyaiming && axis != 0 && cv_lookaxis.value != 0)
			localaiming += (axis<<16) * screen_invert;

		// spring back if not using keyboard neither mouselookin'
		if (!keyboard_look && cv_lookaxis.value == 0 && !joyaiming && !mouseaiming)
			localaiming = 0;

		if (!(player->powers[pw_carry] == CR_NIGHTSMODE))
		{
			if (PLAYER1INPUTDOWN(gc_lookup) || (gamepadjoystickmove && axis < 0))
			{
				localaiming += KB_LOOKSPEED * screen_invert;
				keyboard_look = true;
			}
			else if (PLAYER1INPUTDOWN(gc_lookdown) || (gamepadjoystickmove && axis > 0))
			{
				localaiming -= KB_LOOKSPEED * screen_invert;
				keyboard_look = true;
			}
			else if (PLAYER1INPUTDOWN(gc_centerview))
				localaiming = 0;
		}

		// accept no mlook for network games
		if (!cv_allowmlook.value)
			localaiming = 0;

		cmd->aiming = G_ClipAimingPitch(&localaiming);
	}

	if (!mouseaiming && cv_mousemove.value)
		forward += mousey;

	if ((!demoplayback && (player->climbing
		|| (player->pflags & PF_SLIDING)))) // Analog for mouse
		side += mousex*2;
	else if (cv_analog.value)
	{
		if (mousex)
		{
			if (mousex > 0)
				cmd->buttons |= BT_CAMRIGHT;
			else
				cmd->buttons |= BT_CAMLEFT;
		}
	}
	else
		cmd->angleturn = (INT16)(cmd->angleturn - (mousex*8));

	mousex = mousey = mlooky = 0;

	if (forward > MAXPLMOVE)
		forward = MAXPLMOVE;
	else if (forward < -MAXPLMOVE)
		forward = -MAXPLMOVE;
	if (side > MAXPLMOVE)
		side = MAXPLMOVE;
	else if (side < -MAXPLMOVE)
		side = -MAXPLMOVE;

	// No additional acceleration when moving forward/backward and strafing simultaneously.
	// do this AFTER we cap to MAXPLMOVE so people can't find ways to cheese around this.
	// 9-18-2017: ALSO, only do this when using keys to move. Gamepad analog sticks get severely gimped by this
	if (!forcestrafe && (((movefkey || movebkey) && side) || ((strafelkey || straferkey) && forward)))
	{
		forward = FixedMul(forward, 3*FRACUNIT/4);
		side = FixedMul(side, 3*FRACUNIT/4);
	}

	//Silly hack to make 2d mode *somewhat* playable with no chasecam.
	if ((twodlevel || (player->mo && player->mo->flags2 & MF2_TWOD)) && !camera.chase)
	{
		INT32 temp = forward;
		forward = side;
		side = temp;
	}

	cmd->forwardmove = (SINT8)(cmd->forwardmove + forward);
	cmd->sidemove = (SINT8)(cmd->sidemove + side);

	if (cv_analog.value) {
		if (player->awayviewtics)
			cmd->angleturn = (INT16)(player->awayviewmobj->angle >> 16);
		else
			cmd->angleturn = (INT16)(thiscam->angle >> 16);
	}
	else
	{
		localangle += (cmd->angleturn<<16);
		cmd->angleturn = (INT16)(localangle >> 16);
	}

	//Reset away view if a command is given.
	if ((cmd->forwardmove || cmd->sidemove || cmd->buttons)
		&& displayplayer != consoleplayer)
		displayplayer = consoleplayer;
}

// like the g_buildticcmd 1 but using mouse2, gamcontrolbis, ...
void G_BuildTiccmd2(ticcmd_t *cmd, INT32 realtics)
{
	boolean forcestrafe = false;
	INT32 tspeed, forward, side, axis, altaxis, i;
	const INT32 speed = 1;
	// these ones used for multiple conditions
	boolean turnleft, turnright, strafelkey, straferkey, movefkey, movebkey, mouseaiming, analogjoystickmove, gamepadjoystickmove, thisjoyaiming;
	player_t *player = &players[secondarydisplayplayer];
	camera_t *thiscam = (player->bot == 2 ? &camera : &camera2);

	static INT32 turnheld; // for accelerative turning
	static boolean keyboard_look; // true if lookup/down using keyboard
	static boolean resetdown; // don't cam reset every frame
	static boolean joyaiming; // check the last frame's value if we need to reset the camera

	G_CopyTiccmd(cmd,  I_BaseTiccmd2(), 1); // empty, or external driver

	//why build a ticcmd if we're paused?
	// Or, for that matter, if we're being reborn.
	if (paused || P_AutoPause() || player->playerstate == PST_REBORN)
	{
		cmd->angleturn = (INT16)(localangle2 >> 16);
		cmd->aiming = G_ClipAimingPitch(&localaiming2);
		return;
	}

	turnright = PLAYER2INPUTDOWN(gc_turnright);
	turnleft = PLAYER2INPUTDOWN(gc_turnleft);

	straferkey = PLAYER2INPUTDOWN(gc_straferight);
	strafelkey = PLAYER2INPUTDOWN(gc_strafeleft);
	movefkey = PLAYER2INPUTDOWN(gc_forward);
	movebkey = PLAYER2INPUTDOWN(gc_backward);

	mouseaiming = (PLAYER2INPUTDOWN(gc_mouseaiming)) ^
		(cv_chasecam2.value ? cv_chasefreelook2.value : cv_alwaysfreelook2.value);
	analogjoystickmove = cv_usejoystick2.value && !Joystick2.bGamepadStyle;
	gamepadjoystickmove = cv_usejoystick2.value && Joystick2.bGamepadStyle;

	thisjoyaiming = (cv_chasecam2.value) ? cv_chasefreelook2.value : cv_alwaysfreelook2.value;

	// Reset the vertical look if we're no longer joyaiming
	if (!thisjoyaiming && joyaiming)
		localaiming2 = 0;
	joyaiming = thisjoyaiming;

	axis = Joy2Axis(AXISTURN);
	if (gamepadjoystickmove && axis != 0)
	{
		turnright = turnright || (axis > 0);
		turnleft = turnleft || (axis < 0);
	}
	forward = side = 0;

	// use two stage accelerative turning
	// on the keyboard and joystick
	if (turnleft || turnright)
		turnheld += realtics;
	else
		turnheld = 0;

	if (turnheld < SLOWTURNTICS)
		tspeed = 2; // slow turn
	else
		tspeed = speed;

	// let movement keys cancel each other out
	if (cv_analog2.value) // Analog
	{
		if (turnright)
			cmd->angleturn = (INT16)(cmd->angleturn - angleturn[tspeed]);
		if (turnleft)
			cmd->angleturn = (INT16)(cmd->angleturn + angleturn[tspeed]);
	}
	if (twodlevel
		|| (player->mo && (player->mo->flags2 & MF2_TWOD))
		|| player->climbing
		|| (player->powers[pw_carry] == CR_NIGHTSMODE)
		|| (player->pflags & (PF_SLIDING|PF_FORCESTRAFE))) // Analog
			forcestrafe = true;
	if (forcestrafe) // Analog
	{
		if (turnright)
			side += sidemove[speed];
		if (turnleft)
			side -= sidemove[speed];

		if (analogjoystickmove && axis != 0)
		{
			// JOYAXISRANGE is supposed to be 1023 (divide by 1024)
			side += ((axis * sidemove[1]) >> 10);
		}
	}
	else if (cv_analog2.value) // Analog
	{
		if (turnright)
			cmd->buttons |= BT_CAMRIGHT;
		if (turnleft)
			cmd->buttons |= BT_CAMLEFT;
	}
	else
	{
		if (turnright)
			cmd->angleturn = (INT16)(cmd->angleturn - angleturn[tspeed]);
		else if (turnleft)
			cmd->angleturn = (INT16)(cmd->angleturn + angleturn[tspeed]);

		if (analogjoystickmove && axis != 0)
		{
			// JOYAXISRANGE should be 1023 (divide by 1024)
			cmd->angleturn = (INT16)(cmd->angleturn - ((axis * angleturn[1]) >> 10)); // ANALOG!
		}
	}

	axis = Joy2Axis(AXISSTRAFE);
	if (gamepadjoystickmove && axis != 0)
	{
		if (axis < 0)
			side += sidemove[speed];
		else if (axis > 0)
			side -= sidemove[speed];
	}
	else if (analogjoystickmove && axis != 0)
	{
		// JOYAXISRANGE is supposed to be 1023 (divide by 1024)
		side += ((axis * sidemove[1]) >> 10);
	}

	// forward with key or button
	axis = Joy2Axis(AXISMOVE);
	altaxis = Joy2Axis(AXISLOOK);
	if (movefkey || (gamepadjoystickmove && axis < 0)
		|| ((player->powers[pw_carry] == CR_NIGHTSMODE)
			&& (PLAYER2INPUTDOWN(gc_lookup) || (gamepadjoystickmove && altaxis < 0))))
		forward = forwardmove[speed];
	if (movebkey || (gamepadjoystickmove && axis > 0)
		|| ((player->powers[pw_carry] == CR_NIGHTSMODE)
			&& (PLAYER2INPUTDOWN(gc_lookdown) || (gamepadjoystickmove && altaxis > 0))))
		forward -= forwardmove[speed];

	if (analogjoystickmove && axis != 0)
		forward -= ((axis * forwardmove[1]) >> 10); // ANALOG!

	// some people strafe left & right with mouse buttons
	// those people are (still) weird
	if (straferkey)
		side += sidemove[speed];
	if (strafelkey)
		side -= sidemove[speed];

	if (PLAYER2INPUTDOWN(gc_weaponnext))
		cmd->buttons |= BT_WEAPONNEXT; // Next Weapon
	if (PLAYER2INPUTDOWN(gc_weaponprev))
		cmd->buttons |= BT_WEAPONPREV; // Previous Weapon

	//use the four avaliable bits to determine the weapon.
	cmd->buttons &= ~BT_WEAPONMASK;
	for (i = 0; i < NUM_WEAPONS; ++i)
		if (PLAYER2INPUTDOWN(gc_wepslot1 + i))
		{
			cmd->buttons |= (UINT16)(i + 1);
			break;
		}

	// fire with any button/key
	axis = Joy2Axis(AXISFIRE);
	if (PLAYER2INPUTDOWN(gc_fire) || (cv_usejoystick2.value && axis > 0))
		cmd->buttons |= BT_ATTACK;

	// fire normal with any button/key
	axis = Joy2Axis(AXISFIRENORMAL);
	if (PLAYER2INPUTDOWN(gc_firenormal) || (cv_usejoystick2.value && axis > 0))
		cmd->buttons |= BT_FIRENORMAL;

	if (PLAYER2INPUTDOWN(gc_tossflag))
		cmd->buttons |= BT_TOSSFLAG;

	// Lua scriptable buttons
	if (PLAYER2INPUTDOWN(gc_custom1))
		cmd->buttons |= BT_CUSTOM1;
	if (PLAYER2INPUTDOWN(gc_custom2))
		cmd->buttons |= BT_CUSTOM2;
	if (PLAYER2INPUTDOWN(gc_custom3))
		cmd->buttons |= BT_CUSTOM3;

	// use with any button/key
	axis = Joy2Axis(AXISSPIN);
	if (PLAYER2INPUTDOWN(gc_use) || (cv_usejoystick2.value && axis > 0))
		cmd->buttons |= BT_USE;

	if (PLAYER2INPUTDOWN(gc_camreset))
	{
		if (camera2.chase && !resetdown)
			P_ResetCamera(&players[secondarydisplayplayer], &camera2);
		resetdown = true;
	}
	else
		resetdown = false;

	// jump button
	axis = Joy2Axis(AXISJUMP);
	if (PLAYER2INPUTDOWN(gc_jump) || (cv_usejoystick2.value && axis > 0))
		cmd->buttons |= BT_JUMP;

	// player aiming shit, ahhhh...
	{
		INT32 player_invert = cv_invertmouse2.value ? -1 : 1;
		INT32 screen_invert =
			(player->mo && (player->mo->eflags & MFE_VERTICALFLIP)
			 && (!camera2.chase || player->pflags & PF_FLIPCAM)) //because chasecam's not inverted
			 ? -1 : 1; // set to -1 or 1 to multiply

		// mouse look stuff (mouse look is not the same as mouse aim)
		if (mouseaiming)
		{
			keyboard_look = false;

			// looking up/down
			localaiming2 += (mlook2y<<19)*player_invert*screen_invert;
		}

		axis = Joy2Axis(AXISLOOK);
		if (analogjoystickmove && joyaiming && axis != 0 && cv_lookaxis2.value != 0)
			localaiming2 += (axis<<16) * screen_invert;

		// spring back if not using keyboard neither mouselookin'
		if (!keyboard_look && cv_lookaxis2.value == 0 && !joyaiming && !mouseaiming)
			localaiming2 = 0;

		if (!(player->powers[pw_carry] == CR_NIGHTSMODE))
		{
			if (PLAYER2INPUTDOWN(gc_lookup) || (gamepadjoystickmove && axis < 0))
			{
				localaiming2 += KB_LOOKSPEED * screen_invert;
				keyboard_look = true;
			}
			else if (PLAYER2INPUTDOWN(gc_lookdown) || (gamepadjoystickmove && axis > 0))
			{
				localaiming2 -= KB_LOOKSPEED * screen_invert;
				keyboard_look = true;
			}
			else if (PLAYER2INPUTDOWN(gc_centerview))
				localaiming2 = 0;
		}

		// accept no mlook for network games
		if (!cv_allowmlook.value)
			localaiming2 = 0;

		cmd->aiming = G_ClipAimingPitch(&localaiming2);
	}

	if (!mouseaiming && cv_mousemove2.value)
		forward += mouse2y;

	if (player->climbing
		|| (player->pflags & PF_SLIDING)) // Analog for mouse
		side += mouse2x*2;
	else if (cv_analog2.value)
	{
		if (mouse2x)
		{
			if (mouse2x > 0)
				cmd->buttons |= BT_CAMRIGHT;
			else
				cmd->buttons |= BT_CAMLEFT;
		}
	}
	else
		cmd->angleturn = (INT16)(cmd->angleturn - (mouse2x*8));

	mouse2x = mouse2y = mlook2y = 0;

	if (forward > MAXPLMOVE)
		forward = MAXPLMOVE;
	else if (forward < -MAXPLMOVE)
		forward = -MAXPLMOVE;
	if (side > MAXPLMOVE)
		side = MAXPLMOVE;
	else if (side < -MAXPLMOVE)
		side = -MAXPLMOVE;

	// No additional acceleration when moving forward/backward and strafing simultaneously.
	// do this AFTER we cap to MAXPLMOVE so people can't find ways to cheese around this.
	// 9-18-2017: ALSO, only do this when using keys to move. Gamepad analog sticks get severely gimped by this
	if (!forcestrafe && (((movefkey || movebkey) && side) || ((strafelkey || straferkey) && forward)))
	{
		forward = FixedMul(forward, 3*FRACUNIT/4);
		side = FixedMul(side, 3*FRACUNIT/4);
	}

	//Silly hack to make 2d mode *somewhat* playable with no chasecam.
	if ((twodlevel || (player->mo && player->mo->flags2 & MF2_TWOD)) && !camera2.chase)
	{
		INT32 temp = forward;
		forward = side;
		side = temp;
	}

	cmd->forwardmove = (SINT8)(cmd->forwardmove + forward);
	cmd->sidemove = (SINT8)(cmd->sidemove + side);

	if (player->bot == 1) {
		if (!player->powers[pw_tailsfly] && (cmd->forwardmove || cmd->sidemove || cmd->buttons))
		{
			player->bot = 2; // A player-controlled bot. Returns to AI when it respawns.
			CV_SetValue(&cv_analog2, true);
		}
		else
		{
			G_CopyTiccmd(cmd,  I_BaseTiccmd2(), 1); // empty, or external driver
			B_BuildTiccmd(player, cmd);
		}
	}

	if (cv_analog2.value) {
		if (player->awayviewtics)
			cmd->angleturn = (INT16)(player->awayviewmobj->angle >> 16);
		else
			cmd->angleturn = (INT16)(thiscam->angle >> 16);
	}
	else
	{
		localangle2 += (cmd->angleturn<<16);
		cmd->angleturn = (INT16)(localangle2 >> 16);
	}
}

// User has designated that they want
// analog ON, so tell the game to stop
// fudging with it.
static void UserAnalog_OnChange(void)
{
	if (cv_useranalog.value)
		CV_SetValue(&cv_analog, 1);
	else
		CV_SetValue(&cv_analog, 0);
}

static void UserAnalog2_OnChange(void)
{
	if (botingame)
		return;
	if (cv_useranalog2.value)
		CV_SetValue(&cv_analog2, 1);
	else
		CV_SetValue(&cv_analog2, 0);
}

static void Analog_OnChange(void)
{
	if (!cv_cam_dist.string)
		return;

	// cameras are not initialized at this point

	if (!cv_chasecam.value && cv_analog.value) {
		CV_SetValue(&cv_analog, 0);
		return;
	}

	SendWeaponPref();
}

static void Analog2_OnChange(void)
{
	if (!(splitscreen || botingame) || !cv_cam2_dist.string)
		return;

	// cameras are not initialized at this point

	if (!cv_chasecam2.value && cv_analog2.value) {
		CV_SetValue(&cv_analog2, 0);
		return;
	}

	SendWeaponPref2();
}

static void DirectionChar_OnChange(void)
{
	SendWeaponPref();
}

static void DirectionChar2_OnChange(void)
{
	SendWeaponPref2();
}

static void AutoBrake_OnChange(void)
{
	SendWeaponPref();
}

static void AutoBrake2_OnChange(void)
{
	SendWeaponPref2();
}

//
// G_DoLoadLevel
//
void G_DoLoadLevel(boolean resetplayer)
{
	INT32 i;

	// Make sure objectplace is OFF when you first start the level!
	OP_ResetObjectplace();
	demosynced = true;

	levelstarttic = gametic; // for time calculation

	if (wipegamestate == GS_LEVEL)
		wipegamestate = -1; // force a wipe

	if (gamestate == GS_INTERMISSION)
		Y_EndIntermission();

	// cleanup
	if (titlemapinaction == TITLEMAP_LOADING)
	{
		if (W_CheckNumForName(G_BuildMapName(gamemap)) == LUMPERROR)
		{
			titlemap = 0; // let's not infinite recursion ok
			Command_ExitGame_f();
			return;
		}

		titlemapinaction = TITLEMAP_RUNNING;
	}
	else
		titlemapinaction = TITLEMAP_OFF;

	G_SetGamestate(GS_LEVEL);

	for (i = 0; i < MAXPLAYERS; i++)
	{
		if (resetplayer || (playeringame[i] && players[i].playerstate == PST_DEAD))
			players[i].playerstate = PST_REBORN;
	}

	// Setup the level.
	if (!P_SetupLevel(false)) // this never returns false?
	{
		// fail so reset game stuff
		Command_ExitGame_f();
		return;
	}

	if (!resetplayer)
		P_FindEmerald();

	displayplayer = consoleplayer; // view the guy you are playing
	if (!splitscreen && !botingame)
		secondarydisplayplayer = consoleplayer;

	gameaction = ga_nothing;
#ifdef PARANOIA
	Z_CheckHeap(-2);
#endif

	if (camera.chase)
		P_ResetCamera(&players[displayplayer], &camera);
	if (camera2.chase && splitscreen)
		P_ResetCamera(&players[secondarydisplayplayer], &camera2);

	// clear cmd building stuff
	memset(gamekeydown, 0, sizeof (gamekeydown));
	for (i = 0;i < JOYAXISSET; i++)
	{
		joyxmove[i] = joyymove[i] = 0;
		joy2xmove[i] = joy2ymove[i] = 0;
	}
	mousex = mousey = 0;
	mouse2x = mouse2y = 0;

	// clear hud messages remains (usually from game startup)
	CON_ClearHUD();
}

INT32 pausedelay = 0;
boolean pausebreakkey = false;
static INT32 camtoggledelay, camtoggledelay2 = 0;

//
// G_Responder
// Get info needed to make ticcmd_ts for the players.
//
boolean G_Responder(event_t *ev)
{
	// allow spy mode changes even during the demo
	if (gamestate == GS_LEVEL && ev->type == ev_keydown
		&& (ev->data1 == KEY_F12 || ev->data1 == gamecontrol[gc_viewpoint][0] || ev->data1 == gamecontrol[gc_viewpoint][1]))
	{
		if (splitscreen || !netgame)
			displayplayer = consoleplayer;
		else
		{
			// spy mode
			do
			{
				displayplayer++;
				if (displayplayer == MAXPLAYERS)
					displayplayer = 0;

				if (!playeringame[displayplayer])
					continue;

				if (players[displayplayer].spectator)
					continue;

				if (G_GametypeHasTeams())
				{
					if (players[consoleplayer].ctfteam
					 && players[displayplayer].ctfteam != players[consoleplayer].ctfteam)
						continue;
				}
				else if (gametype == GT_HIDEANDSEEK)
				{
					if (players[consoleplayer].pflags & PF_TAGIT)
						continue;
				}
				// Other Tag-based gametypes?
				else if (G_TagGametype())
				{
					if (!players[consoleplayer].spectator
					 && (players[consoleplayer].pflags & PF_TAGIT) != (players[displayplayer].pflags & PF_TAGIT))
						continue;
				}
				else if (G_GametypeHasSpectators() && G_RingSlingerGametype())
				{
					if (!players[consoleplayer].spectator)
						continue;
				}

				break;
			} while (displayplayer != consoleplayer);

			// change statusbar also if playing back demo
			if (singledemo)
				ST_changeDemoView();

			// tell who's the view
			CONS_Printf(M_GetText("Viewpoint: %s\n"), player_names[displayplayer]);

			return true;
		}
	}

	// any other key pops up menu if in demos
	if (gameaction == ga_nothing && !singledemo &&
		((demoplayback && !modeattacking && !titledemo) || gamestate == GS_TITLESCREEN))
	{
		if (ev->type == ev_keydown && ev->data1 != 301)
		{
			M_StartControlPanel();
			return true;
		}
		return false;
	}
	else if (demoplayback && titledemo)
	{
		// Title demo uses intro responder
		if (F_IntroResponder(ev))
		{
			// stop the title demo
			G_CheckDemoStatus();
			return true;
		}
		return false;
	}

	if (gamestate == GS_LEVEL)
	{
		if (HU_Responder(ev))
			return true; // chat ate the event
		if (AM_Responder(ev))
			return true; // automap ate it
		// map the event (key/mouse/joy) to a gamecontrol
	}
	// Intro
	else if (gamestate == GS_INTRO)
	{
		if (F_IntroResponder(ev))
		{
			D_StartTitle();
			return true;
		}
	}
	else if (gamestate == GS_CUTSCENE)
	{
		if (HU_Responder(ev))
			return true; // chat ate the event

		if (F_CutsceneResponder(ev))
		{
			D_StartTitle();
			return true;
		}
	}
	else if (gamestate == GS_CREDITS || gamestate == GS_ENDING) // todo: keep ending here?
	{
		if (HU_Responder(ev))
			return true; // chat ate the event

		if (F_CreditResponder(ev))
		{
			// Skip credits for everyone
			if (!netgame || server || IsPlayerAdmin(consoleplayer))
				SendNetXCmd(XD_EXITLEVEL, NULL, 0);
			return true;
		}
	}
	else if (gamestate == GS_CONTINUING)
	{
		if (F_ContinueResponder(ev))
			return true;
	}
	// Demo End
	else if (gamestate == GS_GAMEEND)
		return true;
	else if (gamestate == GS_INTERMISSION || gamestate == GS_EVALUATION)
		if (HU_Responder(ev))
			return true; // chat ate the event

	// update keys current state
	G_MapEventsToControls(ev);

	switch (ev->type)
	{
		case ev_keydown:
			if (ev->data1 == gamecontrol[gc_pause][0]
				|| ev->data1 == gamecontrol[gc_pause][1]
				|| ev->data1 == KEY_PAUSE)
			{
				if (modeattacking && !demoplayback && (gamestate == GS_LEVEL))
				{
					pausebreakkey = (ev->data1 == KEY_PAUSE);
					if (menuactive || pausedelay < 0 || leveltime < 2)
						return true;

					if (pausedelay < 1+(NEWTICRATE/2))
						pausedelay = 1+(NEWTICRATE/2);
					else if (++pausedelay > 1+(NEWTICRATE/2)+(NEWTICRATE/3))
					{
						G_SetRetryFlag();
						return true;
					}
					pausedelay++; // counteract subsequent subtraction this frame
				}
				else
				{
					INT32 oldpausedelay = pausedelay;
					pausedelay = (NEWTICRATE/7);
					if (!oldpausedelay)
					{
						// command will handle all the checks for us
						COM_ImmedExecute("pause");
						return true;
					}
				}
			}
			if (ev->data1 == gamecontrol[gc_camtoggle][0]
				|| ev->data1 == gamecontrol[gc_camtoggle][1])
			{
				if (!camtoggledelay)
				{
					camtoggledelay = NEWTICRATE / 7;
					CV_SetValue(&cv_chasecam, cv_chasecam.value ? 0 : 1);
				}
			}
			if (ev->data1 == gamecontrolbis[gc_camtoggle][0]
				|| ev->data1 == gamecontrolbis[gc_camtoggle][1])
			{
				if (!camtoggledelay2)
				{
					camtoggledelay2 = NEWTICRATE / 7;
					CV_SetValue(&cv_chasecam2, cv_chasecam2.value ? 0 : 1);
				}
			}
			return true;

		case ev_keyup:
			return false; // always let key up events filter down

		case ev_mouse:
			return true; // eat events

		case ev_joystick:
			return true; // eat events

		case ev_joystick2:
			return true; // eat events


		default:
			break;
	}

	return false;
}

//
// G_Ticker
// Make ticcmd_ts for the players.
//
void G_Ticker(boolean run)
{
	UINT32 i;
	INT32 buf;

	P_MapStart();
	// do player reborns if needed
	if (gamestate == GS_LEVEL)
	{
		// Or, alternatively, retry.
		if (!(netgame || multiplayer) && G_GetRetryFlag())
		{
			G_ClearRetryFlag();

			if (modeattacking)
			{
				pausedelay = INT32_MIN;
				M_ModeAttackRetry(0);
			}
			else
			{
				// Costs a life to retry ... unless the player in question is dead already.
				if (G_GametypeUsesLives() && players[consoleplayer].playerstate == PST_LIVE && players[consoleplayer].lives != INFLIVES)
					players[consoleplayer].lives -= 1;

				G_DoReborn(consoleplayer);
			}
		}

		for (i = 0; i < MAXPLAYERS; i++)
			if (playeringame[i] && players[i].playerstate == PST_REBORN)
				G_DoReborn(i);
	}
	P_MapEnd();

	// do things to change the game state
	while (gameaction != ga_nothing)
		switch (gameaction)
		{
			case ga_completed: G_DoCompleted(); break;
			case ga_startcont: G_DoStartContinue(); break;
			case ga_continued: G_DoContinued(); break;
			case ga_worlddone: G_DoWorldDone(); break;
			case ga_nothing: break;
			default: I_Error("gameaction = %d\n", gameaction);
		}

	buf = gametic % BACKUPTICS;

	// read/write demo and check turbo cheat
	for (i = 0; i < MAXPLAYERS; i++)
	{
		if (playeringame[i])
			G_CopyTiccmd(&players[i].cmd, &netcmds[buf][i], 1);
	}

	// do main actions
	switch (gamestate)
	{
		case GS_LEVEL:
			if (titledemo)
				F_TitleDemoTicker();
			P_Ticker(run); // tic the game
			ST_Ticker();
			F_TextPromptTicker();
			AM_Ticker();
			HU_Ticker();
			break;

		case GS_INTERMISSION:
			if (run)
				Y_Ticker();
			HU_Ticker();
			break;

		case GS_TIMEATTACK:
			F_MenuPresTicker(run);
			break;

		case GS_INTRO:
			if (run)
				F_IntroTicker();
			break;

		case GS_ENDING:
			if (run)
				F_EndingTicker();
			HU_Ticker();
			break;

		case GS_CUTSCENE:
			if (run)
				F_CutsceneTicker();
			HU_Ticker();
			break;

		case GS_GAMEEND:
			if (run)
				F_GameEndTicker();
			break;

		case GS_EVALUATION:
			if (run)
				F_GameEvaluationTicker();
			HU_Ticker();
			break;

		case GS_CONTINUING:
			if (run)
				F_ContinueTicker();
			break;

		case GS_CREDITS:
			if (run)
				F_CreditTicker();
			HU_Ticker();
			break;

		case GS_TITLESCREEN:
			if (titlemapinaction) P_Ticker(run); // then intentionally fall through
			/* FALLTHRU */
		case GS_WAITINGPLAYERS:
			F_MenuPresTicker(run);
			F_TitleScreenTicker(run);
			break;

		case GS_DEDICATEDSERVER:
		case GS_NULL:
			break; // do nothing
	}

	if (run)
	{
		if (pausedelay && pausedelay != INT32_MIN)
		{
			if (pausedelay > 0)
				pausedelay--;
			else
				pausedelay++;
		}

		if (camtoggledelay)
			camtoggledelay--;

		if (camtoggledelay2)
			camtoggledelay2--;
	}
}

//
// PLAYER STRUCTURE FUNCTIONS
// also see P_SpawnPlayer in P_Things
//

//
// G_PlayerFinishLevel
// Called when a player completes a level.
//
static inline void G_PlayerFinishLevel(INT32 player)
{
	player_t *p;

	p = &players[player];

	memset(p->powers, 0, sizeof (p->powers));
	p->ringweapons = 0;

	p->mo->flags2 &= ~MF2_SHADOW; // cancel invisibility
	P_FlashPal(p, 0, 0); // Resets
	p->starpostscale = 0;
	p->starpostangle = 0;
	p->starposttime = 0;
	p->starpostx = 0;
	p->starposty = 0;
	p->starpostz = 0;
	p->starpostnum = 0;

	if (rendermode == render_soft)
		V_SetPaletteLump(GetPalette()); // Reset the palette
}

//
// G_PlayerReborn
// Called after a player dies. Almost everything is cleared and initialized.
//
void G_PlayerReborn(INT32 player)
{
	player_t *p;
	INT32 score;
	INT32 lives;
	INT32 continues;
	fixed_t camerascale;
	fixed_t shieldscale;
	UINT8 charability;
	UINT8 charability2;
	fixed_t normalspeed;
	fixed_t runspeed;
	UINT8 thrustfactor;
	UINT8 accelstart;
	UINT8 acceleration;
	INT32 charflags;
	INT32 pflags;
	UINT32 thokitem;
	UINT32 spinitem;
	UINT32 revitem;
	UINT32 followitem;
	fixed_t actionspd;
	fixed_t mindash;
	fixed_t maxdash;
	INT32 ctfteam;
	INT32 starposttime;
	INT16 starpostx;
	INT16 starposty;
	INT16 starpostz;
	INT32 starpostnum;
	INT32 starpostangle;
	fixed_t starpostscale;
	fixed_t jumpfactor;
	fixed_t height;
	fixed_t spinheight;
	INT32 exiting;
	INT16 numboxes;
	INT16 totalring;
	UINT8 laps;
	UINT8 mare;
	UINT8 skincolor;
	INT32 skin;
	UINT32 availabilities;
	tic_t jointime;
	boolean spectator;
	boolean outofcoop;
	INT16 bot;
	SINT8 pity;

	score = players[player].score;
	lives = players[player].lives;
	continues = players[player].continues;
	ctfteam = players[player].ctfteam;
	exiting = players[player].exiting;
	jointime = players[player].jointime;
	spectator = players[player].spectator;
	outofcoop = players[player].outofcoop;
	pflags = (players[player].pflags & (PF_FLIPCAM|PF_ANALOGMODE|PF_DIRECTIONCHAR|PF_AUTOBRAKE|PF_TAGIT|PF_GAMETYPEOVER));

	// As long as we're not in multiplayer, carry over cheatcodes from map to map
	if (!(netgame || multiplayer))
		pflags |= (players[player].pflags & (PF_GODMODE|PF_NOCLIP|PF_INVIS));

	numboxes = players[player].numboxes;
	laps = players[player].laps;
	totalring = players[player].totalring;

	skincolor = players[player].skincolor;
	skin = players[player].skin;
	availabilities = players[player].availabilities;
	camerascale = players[player].camerascale;
	shieldscale = players[player].shieldscale;
	charability = players[player].charability;
	charability2 = players[player].charability2;
	normalspeed = players[player].normalspeed;
	runspeed = players[player].runspeed;
	thrustfactor = players[player].thrustfactor;
	accelstart = players[player].accelstart;
	acceleration = players[player].acceleration;
	charflags = players[player].charflags;

	starposttime = players[player].starposttime;
	starpostx = players[player].starpostx;
	starposty = players[player].starposty;
	starpostz = players[player].starpostz;
	starpostnum = players[player].starpostnum;
	starpostangle = players[player].starpostangle;
	starpostscale = players[player].starpostscale;
	jumpfactor = players[player].jumpfactor;
	height = players[player].height;
	spinheight = players[player].spinheight;
	thokitem = players[player].thokitem;
	spinitem = players[player].spinitem;
	revitem = players[player].revitem;
	followitem = players[player].followitem;
	actionspd = players[player].actionspd;
	mindash = players[player].mindash;
	maxdash = players[player].maxdash;

	mare = players[player].mare;
	bot = players[player].bot;
	pity = players[player].pity;

	p = &players[player];
	memset(p, 0, sizeof (*p));

	p->score = score;
	p->lives = lives;
	p->continues = continues;
	p->pflags = pflags;
	p->ctfteam = ctfteam;
	p->jointime = jointime;
	p->spectator = spectator;
	p->outofcoop = outofcoop;

	// save player config truth reborn
	p->skincolor = skincolor;
	p->skin = skin;
	p->availabilities = availabilities;
	p->camerascale = camerascale;
	p->shieldscale = shieldscale;
	p->charability = charability;
	p->charability2 = charability2;
	p->normalspeed = normalspeed;
	p->runspeed = runspeed;
	p->thrustfactor = thrustfactor;
	p->accelstart = accelstart;
	p->acceleration = acceleration;
	p->charflags = charflags;
	p->thokitem = thokitem;
	p->spinitem = spinitem;
	p->revitem = revitem;
	p->followitem = followitem;
	p->actionspd = actionspd;
	p->mindash = mindash;
	p->maxdash = maxdash;

	p->starposttime = starposttime;
	p->starpostx = starpostx;
	p->starposty = starposty;
	p->starpostz = starpostz;
	p->starpostnum = starpostnum;
	p->starpostangle = starpostangle;
	p->starpostscale = starpostscale;
	p->jumpfactor = jumpfactor;
	p->height = height;
	p->spinheight = spinheight;
	p->exiting = exiting;

	p->numboxes = numboxes;
	p->laps = laps;
	p->totalring = totalring;

	p->mare = mare;
	if (bot)
		p->bot = 1; // reset to AI-controlled
	p->pity = pity;

	// Don't do anything immediately
	p->pflags |= PF_USEDOWN;
	p->pflags |= PF_ATTACKDOWN;
	p->pflags |= PF_JUMPDOWN;

	p->playerstate = PST_LIVE;
	p->rings = p->spheres = 0; // 0 rings
	p->panim = PA_IDLE; // standing animation

	//if ((netgame || multiplayer) && !p->spectator) -- moved into P_SpawnPlayer to account for forced changes there
		//p->powers[pw_flashing] = flashingtics-1; // Babysitting deterrent

	if (p-players == consoleplayer)
	{
		if (mapmusflags & MUSIC_RELOADRESET)
		{
			strncpy(mapmusname, mapheaderinfo[gamemap-1]->musname, 7);
			mapmusname[6] = 0;
			mapmusflags = (mapheaderinfo[gamemap-1]->mustrack & MUSIC_TRACKMASK);
			mapmusposition = mapheaderinfo[gamemap-1]->muspos;
		}

		// This is in S_Start, but this was not here previously.
		// if (cv_resetmusic.value)
		// 	S_StopMusic();
		S_ChangeMusicEx(mapmusname, mapmusflags, true, mapmusposition, 0, 0);
	}

	if (gametype == GT_COOP)
		P_FindEmerald(); // scan for emeralds to hunt for

	// Reset Nights score and max link to 0 on death
	p->marescore = p->maxlink = 0;

	// If NiGHTS, find lowest mare to start with.
	p->mare = P_FindLowestMare();

	CONS_Debug(DBG_NIGHTS, M_GetText("Current mare is %d\n"), p->mare);

	if (p->mare == 255)
		p->mare = 0;

	p->marelap = p->marebonuslap = 0;

	// Check to make sure their color didn't change somehow...
	if (G_GametypeHasTeams())
	{
		if (p->ctfteam == 1 && p->skincolor != skincolor_redteam)
		{
			if (p == &players[consoleplayer])
				CV_SetValue(&cv_playercolor, skincolor_redteam);
			else if (p == &players[secondarydisplayplayer])
				CV_SetValue(&cv_playercolor2, skincolor_redteam);
		}
		else if (p->ctfteam == 2 && p->skincolor != skincolor_blueteam)
		{
			if (p == &players[consoleplayer])
				CV_SetValue(&cv_playercolor, skincolor_blueteam);
			else if (p == &players[secondarydisplayplayer])
				CV_SetValue(&cv_playercolor2, skincolor_blueteam);
		}
	}
}

//
// G_CheckSpot
// Returns false if the player cannot be respawned
// at the given mapthing_t spot
// because something is occupying it
//
static boolean G_CheckSpot(INT32 playernum, mapthing_t *mthing)
{
	fixed_t x;
	fixed_t y;
	INT32 i;

	// maybe there is no player start
	if (!mthing)
		return false;

	if (!players[playernum].mo)
	{
		// first spawn of level
		for (i = 0; i < playernum; i++)
			if (playeringame[i] && players[i].mo
				&& players[i].mo->x == mthing->x << FRACBITS
				&& players[i].mo->y == mthing->y << FRACBITS)
			{
				return false;
			}
		return true;
	}

	x = mthing->x << FRACBITS;
	y = mthing->y << FRACBITS;

	if (!P_CheckPosition(players[playernum].mo, x, y))
		return false;

	return true;
}

//
// G_SpawnPlayer
// Spawn a player in a spot appropriate for the gametype --
// or a not-so-appropriate spot, if it initially fails
// due to a lack of starts open or something.
//
void G_SpawnPlayer(INT32 playernum, boolean starpost)
{
	mapthing_t *spawnpoint;

	if (!playeringame[playernum])
		return;

	P_SpawnPlayer(playernum);

	players[playernum].rings = mapheaderinfo[gamemap-1]->startrings;

	if (starpost) //Don't even bother with looking for a place to spawn.
	{
		P_MovePlayerToStarpost(playernum);
#ifdef HAVE_BLUA
		LUAh_PlayerSpawn(&players[playernum]); // Lua hook for player spawning :)
#endif
		return;
	}

	// -- CTF --
	// Order: CTF->DM->Coop
	if (gametype == GT_CTF && players[playernum].ctfteam)
	{
		if (!(spawnpoint = G_FindCTFStart(playernum)) // find a CTF start
		&& !(spawnpoint = G_FindMatchStart(playernum))) // find a DM start
			spawnpoint = G_FindCoopStart(playernum); // fallback
	}

	// -- DM/Tag/CTF-spectator/etc --
	// Order: DM->CTF->Coop
	else if (gametype == GT_MATCH || gametype == GT_TEAMMATCH || gametype == GT_CTF
	 || ((gametype == GT_TAG || gametype == GT_HIDEANDSEEK) && !(players[playernum].pflags & PF_TAGIT)))
	{
		if (!(spawnpoint = G_FindMatchStart(playernum)) // find a DM start
		&& !(spawnpoint = G_FindCTFStart(playernum))) // find a CTF start
			spawnpoint = G_FindCoopStart(playernum); // fallback
	}

	// -- Other game modes --
	// Order: Coop->DM->CTF
	else
	{
		if (!(spawnpoint = G_FindCoopStart(playernum)) // find a Co-op start
		&& !(spawnpoint = G_FindMatchStart(playernum))) // find a DM start
			spawnpoint = G_FindCTFStart(playernum); // fallback
	}

	//No spawns found.  ANYWHERE.
	if (!spawnpoint)
	{
		if (nummapthings)
		{
			if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
				CONS_Alert(CONS_ERROR, M_GetText("No player spawns found, spawning at the first mapthing!\n"));
			spawnpoint = &mapthings[0];
		}
		else
		{
			if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
				CONS_Alert(CONS_ERROR, M_GetText("No player spawns found, spawning at the origin!\n"));
			//P_MovePlayerToSpawn handles this fine if the spawnpoint is NULL.
		}
	}
	P_MovePlayerToSpawn(playernum, spawnpoint);

#ifdef HAVE_BLUA
	LUAh_PlayerSpawn(&players[playernum]); // Lua hook for player spawning :)
#endif

}

mapthing_t *G_FindCTFStart(INT32 playernum)
{
	INT32 i,j;

	if (!numredctfstarts && !numbluectfstarts) //why even bother, eh?
	{
		if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
			CONS_Alert(CONS_WARNING, M_GetText("No CTF starts in this map!\n"));
		return NULL;
	}

	if ((!players[playernum].ctfteam && numredctfstarts && (!numbluectfstarts || P_RandomChance(FRACUNIT/2))) || players[playernum].ctfteam == 1) //red
	{
		if (!numredctfstarts)
		{
			if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
				CONS_Alert(CONS_WARNING, M_GetText("No Red Team starts in this map!\n"));
			return NULL;
		}

		for (j = 0; j < 32; j++)
		{
			i = P_RandomKey(numredctfstarts);
			if (G_CheckSpot(playernum, redctfstarts[i]))
				return redctfstarts[i];
		}

		if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
			CONS_Alert(CONS_WARNING, M_GetText("Could not spawn at any Red Team starts!\n"));
		return NULL;
	}
	else if (!players[playernum].ctfteam || players[playernum].ctfteam == 2) //blue
	{
		if (!numbluectfstarts)
		{
			if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
				CONS_Alert(CONS_WARNING, M_GetText("No Blue Team starts in this map!\n"));
			return NULL;
		}

		for (j = 0; j < 32; j++)
		{
			i = P_RandomKey(numbluectfstarts);
			if (G_CheckSpot(playernum, bluectfstarts[i]))
				return bluectfstarts[i];
		}
		if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
			CONS_Alert(CONS_WARNING, M_GetText("Could not spawn at any Blue Team starts!\n"));
		return NULL;
	}
	//should never be reached but it gets stuff to shut up
	return NULL;
}

mapthing_t *G_FindMatchStart(INT32 playernum)
{
	INT32 i, j;

	if (numdmstarts)
	{
		for (j = 0; j < 64; j++)
		{
			i = P_RandomKey(numdmstarts);
			if (G_CheckSpot(playernum, deathmatchstarts[i]))
				return deathmatchstarts[i];
		}
		if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
			CONS_Alert(CONS_WARNING, M_GetText("Could not spawn at any Deathmatch starts!\n"));
		return NULL;
	}

	if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
		CONS_Alert(CONS_WARNING, M_GetText("No Deathmatch starts in this map!\n"));
	return NULL;
}

mapthing_t *G_FindCoopStart(INT32 playernum)
{
	if (numcoopstarts)
	{
		//if there's 6 players in a map with 3 player starts, this spawns them 1/2/3/1/2/3.
		if (G_CheckSpot(playernum, playerstarts[playernum % numcoopstarts]))
			return playerstarts[playernum % numcoopstarts];

		//Don't bother checking to see if the player 1 start is open.
		//Just spawn there.
		return playerstarts[0];
	}

	if (playernum == consoleplayer || (splitscreen && playernum == secondarydisplayplayer))
		CONS_Alert(CONS_WARNING, M_GetText("No Co-op starts in this map!\n"));
	return NULL;
}

// Go back through all the projectiles and remove all references to the old
// player mobj, replacing them with the new one.
void G_ChangePlayerReferences(mobj_t *oldmo, mobj_t *newmo)
{
	thinker_t *th;
	mobj_t *mo2;

	I_Assert((oldmo != NULL) && (newmo != NULL));

	// scan all thinkers
	for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next)
	{
		if (th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed)
			continue;

		mo2 = (mobj_t *)th;

		if (!(mo2->flags & MF_MISSILE))
			continue;

		if (mo2->target == oldmo)
		{
			P_SetTarget(&mo2->target, newmo);
			mo2->flags2 |= MF2_BEYONDTHEGRAVE; // this mobj belongs to a player who has reborn
		}
	}
}

//
// G_DoReborn
//
void G_DoReborn(INT32 playernum)
{
	player_t *player = &players[playernum];
	boolean resetlevel = false;
	INT32 i;

	if (modeattacking)
	{
		M_EndModeAttackRun();
		return;
	}

	// Make sure objectplace is OFF when you first start the level!
	OP_ResetObjectplace();

	if (player->bot && playernum != consoleplayer)
	{ // Bots respawn next to their master.
		mobj_t *oldmo = NULL;

		// first dissasociate the corpse
		if (player->mo)
		{
			oldmo = player->mo;
			// Don't leave your carcass stuck 10-billion feet in the ground!
			P_RemoveMobj(player->mo);
		}

		B_RespawnBot(playernum);
		if (oldmo)
			G_ChangePlayerReferences(oldmo, players[playernum].mo);

		return;
	}

	if (countdowntimeup || (!(netgame || multiplayer) && gametype == GT_COOP))
		resetlevel = true;
	else if (gametype == GT_COOP && (netgame || multiplayer))
	{
		boolean notgameover = true;

		if (cv_cooplives.value != 0 && player->lives <= 0) // consider game over first
		{
			for (i = 0; i < MAXPLAYERS; i++)
			{
				if (!playeringame[i])
					continue;
				if (players[i].exiting || players[i].lives > 0)
					break;
			}

			if (i == MAXPLAYERS)
			{
				notgameover = false;
				if (!countdown2)
				{
					// They're dead, Jim.
					//nextmapoverride = spstage_start;
					nextmapoverride = gamemap;
					countdown2 = TICRATE;
					skipstats = 2;

					for (i = 0; i < MAXPLAYERS; i++)
					{
						if (playeringame[i])
							players[i].score = 0;
					}

					//emeralds = 0;
					tokenbits = 0;
					tokenlist = 0;
					token = 0;
				}
			}
		}

		if (notgameover && cv_coopstarposts.value == 2)
		{
			for (i = 0; i < MAXPLAYERS; i++)
			{
				if (!playeringame[i])
					continue;

				if (players[i].playerstate != PST_DEAD && !players[i].spectator && players[i].mo && players[i].mo->health)
					break;
			}
			if (i == MAXPLAYERS)
				resetlevel = true;
		}
	}

	if (resetlevel)
	{
		// reload the level from scratch
		if (countdowntimeup)
		{
			for (i = 0; i < MAXPLAYERS; i++)
			{
				if (!playeringame[i])
					continue;
				players[i].starpostscale = 0;
				players[i].starpostangle = 0;
				players[i].starposttime = 0;
				players[i].starpostx = 0;
				players[i].starposty = 0;
				players[i].starpostz = 0;
				players[i].starpostnum = 0;
			}
		}
		if (!countdowntimeup && (mapheaderinfo[gamemap-1]->levelflags & LF_NORELOAD))
		{
			P_LoadThingsOnly();

			for (i = 0; i < MAXPLAYERS; i++)
			{
				if (!playeringame[i])
					continue;
				players[i].playerstate = PST_REBORN;
				P_ClearStarPost(players[i].starpostnum);
			}

			// Do a wipe
			wipegamestate = -1;

			if (camera.chase)
				P_ResetCamera(&players[displayplayer], &camera);
			if (camera2.chase && splitscreen)
				P_ResetCamera(&players[secondarydisplayplayer], &camera2);

			// clear cmd building stuff
			memset(gamekeydown, 0, sizeof (gamekeydown));
			for (i = 0; i < JOYAXISSET; i++)
			{
				joyxmove[i] = joyymove[i] = 0;
				joy2xmove[i] = joy2ymove[i] = 0;
			}
			mousex = mousey = 0;
			mouse2x = mouse2y = 0;

			// clear hud messages remains (usually from game startup)
			CON_ClearHUD();

			// Starpost support
			for (i = 0; i < MAXPLAYERS; i++)
			{
				if (!playeringame[i])
					continue;
				G_SpawnPlayer(i, (players[i].starposttime));
			}

			// restore time in netgame (see also p_setup.c)
			if ((netgame || multiplayer) && gametype == GT_COOP && cv_coopstarposts.value == 2)
			{
				// is this a hack? maybe
				tic_t maxstarposttime = 0;
				for (i = 0; i < MAXPLAYERS; i++)
				{
					if (playeringame[i] && players[i].starposttime > maxstarposttime)
						maxstarposttime = players[i].starposttime;
				}
				leveltime = maxstarposttime;
			}
		}
		else
		{
#ifdef HAVE_BLUA
			LUAh_MapChange(gamemap);
#endif
			G_DoLoadLevel(true);
			return;
		}
	}
	else
	{
		// respawn at the start
		mobj_t *oldmo = NULL;

		// Not resetting map, so return to level music
		if (!countdown2
		&& player->lives <= 0
		&& cv_cooplives.value == 1) // not allowed for life steal because no way to come back from zero group lives without addons, which should call this anyways
			P_RestoreMultiMusic(player);

		// first dissasociate the corpse
		if (player->mo)
		{
			oldmo = player->mo;
			// Don't leave your carcass stuck 10-billion feet in the ground!
			P_RemoveMobj(player->mo);
		}

		G_SpawnPlayer(playernum, (player->starposttime));
		if (oldmo)
			G_ChangePlayerReferences(oldmo, players[playernum].mo);
	}
}

void G_AddPlayer(INT32 playernum)
{
	INT32 countplayers = 0, notexiting = 0;

	player_t *p = &players[playernum];

	// Go through the current players and make sure you have the latest starpost set
	if (G_PlatformGametype() && (netgame || multiplayer))
	{
		INT32 i;
		for (i = 0; i < MAXPLAYERS; i++)
		{
			if (!playeringame[i])
				continue;

			if (players[i].bot) // ignore dumb, stupid tails
				continue;

			countplayers++;

			if (!players->exiting)
				notexiting++;

			if (!(cv_coopstarposts.value && (gametype == GT_COOP) && (p->starpostnum < players[i].starpostnum)))
				continue;

			p->starpostscale = players[i].starpostscale;
			p->starposttime = players[i].starposttime;
			p->starpostx = players[i].starpostx;
			p->starposty = players[i].starposty;
			p->starpostz = players[i].starpostz;
			p->starpostangle = players[i].starpostangle;
			p->starpostnum = players[i].starpostnum;
		}
	}

	p->jointime = 0;
	p->playerstate = PST_REBORN;

	p->height = mobjinfo[MT_PLAYER].height;

	if (G_GametypeUsesLives() || ((netgame || multiplayer) && gametype == GT_COOP))
		p->lives = cv_startinglives.value;

	if (countplayers && !notexiting)
		P_DoPlayerExit(p);
}

void G_ExitLevel(void)
{
	if (gamestate == GS_LEVEL)
	{
		gameaction = ga_completed;
		lastdraw = true;

		// If you want your teams scrambled on map change, start the process now.
		// The teams will scramble at the start of the next round.
		if (cv_scrambleonchange.value && G_GametypeHasTeams())
		{
			if (server)
				CV_SetValue(&cv_teamscramble, cv_scrambleonchange.value);
		}

		if (gametype != GT_COOP)
			CONS_Printf(M_GetText("The round has ended.\n"));

		// Remove CEcho text on round end.
		HU_ClearCEcho();
	}
	else if (gamestate == GS_ENDING)
	{
		F_StartCredits();
	}
	else if (gamestate == GS_CREDITS)
	{
		F_StartGameEvaluation();
	}
}

// See also the enum GameType in doomstat.h
const char *Gametype_Names[NUMGAMETYPES] =
{
	"Co-op", // GT_COOP
	"Competition", // GT_COMPETITION
	"Race", // GT_RACE

	"Match", // GT_MATCH
	"Team Match", // GT_TEAMMATCH

	"Tag", // GT_TAG
	"Hide & Seek", // GT_HIDEANDSEEK

	"CTF" // GT_CTF
};

//
// G_GetGametypeByName
//
// Returns the number for the given gametype name string, or -1 if not valid.
//
INT32 G_GetGametypeByName(const char *gametypestr)
{
	INT32 i;

	for (i = 0; i < NUMGAMETYPES; i++)
		if (!stricmp(gametypestr, Gametype_Names[i]))
			return i;

	return -1; // unknown gametype
}

//
// G_IsSpecialStage
//
// Returns TRUE if
// the given map is a special stage.
//
boolean G_IsSpecialStage(INT32 mapnum)
{
	if (gametype != GT_COOP || modeattacking == ATTACKING_RECORD)
		return false;
	if (mapnum >= sstage_start && mapnum <= sstage_end)
		return true;
	if (mapnum >= smpstage_start && mapnum <= smpstage_end)
		return true;

	return false;
}

//
// G_GametypeUsesLives
//
// Returns true if the current gametype uses
// the lives system.  False otherwise.
//
boolean G_GametypeUsesLives(void)
{
	 // Coop, Competitive
	if ((gametype == GT_COOP || gametype == GT_COMPETITION)
	 && !modeattacking // No lives in Time Attack
	 //&& !G_IsSpecialStage(gamemap)
	 && !(maptol & TOL_NIGHTS)) // No lives in NiGHTS
		return true;
	return false;
}

//
// G_GametypeHasTeams
//
// Returns true if the current gametype uses
// Red/Blue teams.  False otherwise.
//
boolean G_GametypeHasTeams(void)
{
	return (gametype == GT_TEAMMATCH || gametype == GT_CTF);
}

//
// G_GametypeHasSpectators
//
// Returns true if the current gametype supports
// spectators.  False otherwise.
//
boolean G_GametypeHasSpectators(void)
{
	return (gametype != GT_COOP && gametype != GT_COMPETITION && gametype != GT_RACE);
}

//
// G_RingSlingerGametype
//
// Returns true if the current gametype supports firing rings.
// ANY gametype can be a ringslinger gametype, just flick a switch.
//
boolean G_RingSlingerGametype(void)
{
	return ((gametype != GT_COOP && gametype != GT_COMPETITION && gametype != GT_RACE) || (cv_ringslinger.value));
}

//
// G_PlatformGametype
//
// Returns true if a gametype is a more traditional platforming-type.
//
boolean G_PlatformGametype(void)
{
	return (gametype == GT_COOP || gametype == GT_RACE || gametype == GT_COMPETITION);
}

//
// G_TagGametype
//
// For Jazz's Tag/HnS modes that have a lot of special cases..
//
boolean G_TagGametype(void)
{
	return (gametype == GT_TAG || gametype == GT_HIDEANDSEEK);
}

/** Get the typeoflevel flag needed to indicate support of a gametype.
  * In single-player, this always returns TOL_SP.
  * \param gametype The gametype for which support is desired.
  * \return The typeoflevel flag to check for that gametype.
  * \author Graue <graue@oceanbase.org>
  */
INT16 G_TOLFlag(INT32 pgametype)
{
	if (!multiplayer)                 return TOL_SP;
	if (pgametype == GT_COOP)         return TOL_COOP;
	if (pgametype == GT_COMPETITION)  return TOL_COMPETITION;
	if (pgametype == GT_RACE)         return TOL_RACE;
	if (pgametype == GT_MATCH)        return TOL_MATCH;
	if (pgametype == GT_TEAMMATCH)    return TOL_MATCH;
	if (pgametype == GT_TAG)          return TOL_TAG;
	if (pgametype == GT_HIDEANDSEEK)  return TOL_TAG;
	if (pgametype == GT_CTF)          return TOL_CTF;

	CONS_Alert(CONS_ERROR, M_GetText("Unknown gametype! %d\n"), pgametype);
	return INT16_MAX;
}

/** Select a random map with the given typeoflevel flags.
  * If no map has those flags, this arbitrarily gives you map 1.
  * \param tolflags The typeoflevel flags to insist on. Other bits may
  *                 be on too, but all of these must be on.
  * \return A random map with those flags, 1-based, or 1 if no map
  *         has those flags.
  * \author Graue <graue@oceanbase.org>
  */
static INT16 RandMap(INT16 tolflags, INT16 pprevmap)
{
	INT16 *okmaps = Z_Malloc(NUMMAPS * sizeof(INT16), PU_STATIC, NULL);
	INT32 numokmaps = 0;
	INT16 ix;

	// Find all the maps that are ok and and put them in an array.
	for (ix = 0; ix < NUMMAPS; ix++)
		if (mapheaderinfo[ix] && (mapheaderinfo[ix]->typeoflevel & tolflags) == tolflags
		 && ix != pprevmap // Don't pick the same map.
		 && (dedicated || !M_MapLocked(ix+1)) // Don't pick locked maps.
		)
			okmaps[numokmaps++] = ix;

	if (numokmaps == 0)
		ix = 0; // Sorry, none match. You get MAP01.
	else
		ix = okmaps[M_RandomKey(numokmaps)];

	Z_Free(okmaps);

	return ix;
}

//
// G_DoCompleted
//
static void G_DoCompleted(void)
{
	INT32 i;

	tokenlist = 0; // Reset the list

	if (modeattacking && pausedelay)
		pausedelay = 0;

	gameaction = ga_nothing;

	if (metalplayback)
		G_StopMetalDemo();
	if (metalrecording)
		G_StopMetalRecording();

	for (i = 0; i < MAXPLAYERS; i++)
		if (playeringame[i])
			G_PlayerFinishLevel(i); // take away cards and stuff

	if (automapactive)
		AM_Stop();

	S_StopSounds();

	prevmap = (INT16)(gamemap-1);

	// go to next level
	// nextmap is 0-based, unlike gamemap
	if (nextmapoverride != 0)
		nextmap = (INT16)(nextmapoverride-1);
	else
		nextmap = (INT16)(mapheaderinfo[gamemap-1]->nextlevel-1);

	// Remember last map for when you come out of the special stage.
	if (!G_IsSpecialStage(gamemap))
		lastmap = nextmap;

	// If nextmap is actually going to get used, make sure it points to
	// a map of the proper gametype -- skip levels that don't support
	// the current gametype. (Helps avoid playing boss levels in Race,
	// for instance).
	if (!token && !G_IsSpecialStage(gamemap)
		&& (nextmap >= 0 && nextmap < NUMMAPS))
	{
		register INT16 cm = nextmap;
		INT16 tolflag = G_TOLFlag(gametype);
		UINT8 visitedmap[(NUMMAPS+7)/8];

		memset(visitedmap, 0, sizeof (visitedmap));

		while (!mapheaderinfo[cm] || !(mapheaderinfo[cm]->typeoflevel & tolflag))
		{
			visitedmap[cm/8] |= (1<<(cm&7));
			if (!mapheaderinfo[cm])
				cm = -1; // guarantee error execution
			else
				cm = (INT16)(mapheaderinfo[cm]->nextlevel-1);

			if (cm >= NUMMAPS || cm < 0) // out of range (either 1100-1102 or error)
			{
				cm = nextmap; //Start the loop again so that the error checking below is executed.

				//Make sure the map actually exists before you try to go to it!
				if ((W_CheckNumForName(G_BuildMapName(cm + 1)) == LUMPERROR))
				{
					CONS_Alert(CONS_ERROR, M_GetText("Next map given (MAP %d) doesn't exist! Reverting to MAP01.\n"), cm+1);
					cm = 0;
					break;
				}
			}

			if (visitedmap[cm/8] & (1<<(cm&7))) // smells familiar
			{
				// We got stuck in a loop, came back to the map we started on
				// without finding one supporting the current gametype.
				// Thus, print a warning, and just use this map anyways.
				CONS_Alert(CONS_WARNING, M_GetText("Can't find a compatible map after map %d; using map %d anyway\n"), prevmap+1, cm+1);
				break;
			}
		}
		nextmap = cm;
	}

	if (nextmap < 0 || (nextmap >= NUMMAPS && nextmap < 1100-1) || nextmap > 1103-1)
		I_Error("Followed map %d to invalid map %d\n", prevmap + 1, nextmap + 1);

	// wrap around in race
	if (nextmap >= 1100-1 && nextmap <= 1102-1 && (gametype == GT_RACE || gametype == GT_COMPETITION))
		nextmap = (INT16)(spstage_start-1);

	if ((gottoken = (gametype == GT_COOP && token)))
	{
		token--;

		for (i = 0; i < 7; i++)
			if (!(emeralds & (1<<i)))
			{
				nextmap = ((netgame || multiplayer) ? smpstage_start : sstage_start) + i - 1; // to special stage!
				break;
			}

		if (i == 7)
			gottoken = false;
	}

	if (G_IsSpecialStage(gamemap) && !gottoken)
		nextmap = lastmap; // Exiting from a special stage? Go back to the game. Tails 08-11-2001

	automapactive = false;

	if (gametype != GT_COOP)
	{
		if (cv_advancemap.value == 0) // Stay on same map.
			nextmap = prevmap;
		else if (cv_advancemap.value == 2) // Go to random map.
			nextmap = RandMap(G_TOLFlag(gametype), prevmap);
	}

	// We are committed to this map now.
	// We may as well allocate its header if it doesn't exist
	// (That is, if it's a real map)
	if (nextmap < NUMMAPS && !mapheaderinfo[nextmap])
		P_AllocMapHeader(nextmap);

	if (skipstats && !modeattacking) // Don't skip stats if we're in record attack
		G_AfterIntermission();
	else
	{
		G_SetGamestate(GS_INTERMISSION);
		Y_StartIntermission();
	}
}

void G_AfterIntermission(void)
{
	HU_ClearCEcho();

	if (mapheaderinfo[gamemap-1]->cutscenenum && !modeattacking && skipstats <= 1) // Start a custom cutscene.
		F_StartCustomCutscene(mapheaderinfo[gamemap-1]->cutscenenum-1, false, false);
	else
	{
		if (nextmap < 1100-1)
			G_NextLevel();
		else
			G_EndGame();
	}
}

//
// G_NextLevel (WorldDone)
//
// init next level or go to the final scene
// called by end of intermission screen (y_inter)
//
void G_NextLevel(void)
{
	gameaction = ga_worlddone;
}

static void G_DoWorldDone(void)
{
	if (server)
	{
		if (gametype == GT_COOP)
			// don't reset player between maps
			D_MapChange(nextmap+1, gametype, ultimatemode, false, 0, false, false);
		else
			// resetplayer in match/chaos/tag/CTF/race for more equality
			D_MapChange(nextmap+1, gametype, ultimatemode, true, 0, false, false);
	}

	gameaction = ga_nothing;
}

//
// G_UseContinue
//
void G_UseContinue(void)
{
	if (gamestate == GS_LEVEL && !netgame && !multiplayer)
	{
		gameaction = ga_startcont;
		lastdraw = true;
	}
}

static void G_DoStartContinue(void)
{
	I_Assert(!netgame && !multiplayer);

	G_PlayerFinishLevel(consoleplayer); // take away cards and stuff

	F_StartContinue();
	gameaction = ga_nothing;
}

//
// G_Continue
//
// re-init level, used by continue and possibly countdowntimeup
//
void G_Continue(void)
{
	if (!netgame && !multiplayer)
		gameaction = ga_continued;
}

static void G_DoContinued(void)
{
	player_t *pl = &players[consoleplayer];
	I_Assert(!netgame && !multiplayer);
	I_Assert(pl->continues > 0);

	pl->continues--;

	// Reset score
	pl->score = 0;

	// Allow tokens to come back
	tokenlist = 0;
	token = 0;

	if (!(netgame || multiplayer || demoplayback || demorecording || metalrecording || modeattacking) && (!modifiedgame || savemoddata) && cursaveslot > 0)
		G_SaveGameOver((UINT32)cursaveslot, true);

	// Reset # of lives
	pl->lives = (ultimatemode) ? 1 : startinglivesbalance[numgameovers];

	D_MapChange(gamemap, gametype, ultimatemode, false, 0, false, false);

	gameaction = ga_nothing;
}

//
// G_EndGame (formerly Y_EndGame)
// Frankly this function fits better in g_game.c than it does in y_inter.c
//
// ...Gee, (why) end the game?
// Because G_AfterIntermission and F_EndCutscene would
// both do this exact same thing *in different ways* otherwise,
// which made it so that you could only unlock Ultimate mode
// if you had a cutscene after the final level and crap like that.
// This function simplifies it so only one place has to be updated
// when something new is added.
void G_EndGame(void)
{
	// Only do evaluation and credits in coop games.
	if (gametype == GT_COOP)
	{
		if (nextmap == 1103-1) // end game with ending
		{
			F_StartEnding();
			return;
		}
		if (nextmap == 1102-1) // end game with credits
		{
			F_StartCredits();
			return;
		}
		if (nextmap == 1101-1) // end game with evaluation
		{
			F_StartGameEvaluation();
			return;
		}
	}

	// 1100 or competitive multiplayer, so go back to title screen.
	D_StartTitle();
}

//
// G_LoadGameSettings
//
// Sets a tad of default info we need.
void G_LoadGameSettings(void)
{
	// defaults
	spstage_start = 1;
	sstage_start = 50;
	sstage_end = 56; // 7 special stages in vanilla SRB2
	sstage_end++; // plus one weirdo
	smpstage_start = 60;
	smpstage_end = 66; // 7 multiplayer special stages too

	// initialize free sfx slots for skin sounds
	S_InitRuntimeSounds();
}

// G_LoadGameData
// Loads the main data file, which stores information such as emblems found, etc.
void G_LoadGameData(void)
{
	size_t length;
	INT32 i, j;
	UINT8 modded = false;
	UINT8 rtemp;

	//For records
	UINT32 recscore;
	tic_t  rectime;
	UINT16 recrings;

	UINT8 recmares;
	INT32 curmare;

	// Clear things so previously read gamedata doesn't transfer
	// to new gamedata
	G_ClearRecords(); // main and nights records
	M_ClearSecrets(); // emblems, unlocks, maps visited, etc
	totalplaytime = 0; // total play time (separate from all)

	if (M_CheckParm("-nodata"))
		return; // Don't load.

	// Allow saving of gamedata beyond this point
	gamedataloaded = true;

	if (M_CheckParm("-resetdata"))
		return; // Don't load (essentially, reset).

	length = FIL_ReadFile(va(pandf, srb2home, gamedatafilename), &savebuffer);
	if (!length) // Aw, no game data. Their loss!
		return;

	save_p = savebuffer;

	// Version check
	if (READUINT32(save_p) != 0xFCAFE211)
	{
		const char *gdfolder = "the SRB2 folder";
		if (strcmp(srb2home,"."))
			gdfolder = srb2home;

		Z_Free(savebuffer);
		save_p = NULL;
		I_Error("Game data is from another version of SRB2.\nDelete %s(maybe in %s) and try again.", gamedatafilename, gdfolder);
	}

	totalplaytime = READUINT32(save_p);

	modded = READUINT8(save_p);

	// Aha! Someone's been screwing with the save file!
	if ((modded && !savemoddata))
		goto datacorrupt;
	else if (modded != true && modded != false)
		goto datacorrupt;

	// TODO put another cipher on these things? meh, I don't care...
	for (i = 0; i < NUMMAPS; i++)
		if ((mapvisited[i] = READUINT8(save_p)) > MV_MAX)
			goto datacorrupt;

	// To save space, use one bit per collected/achieved/unlocked flag
	for (i = 0; i < MAXEMBLEMS;)
	{
		rtemp = READUINT8(save_p);
		for (j = 0; j < 8 && j+i < MAXEMBLEMS; ++j)
			emblemlocations[j+i].collected = ((rtemp >> j) & 1);
		i += j;
	}
	for (i = 0; i < MAXEXTRAEMBLEMS;)
	{
		rtemp = READUINT8(save_p);
		for (j = 0; j < 8 && j+i < MAXEXTRAEMBLEMS; ++j)
			extraemblems[j+i].collected = ((rtemp >> j) & 1);
		i += j;
	}
	for (i = 0; i < MAXUNLOCKABLES;)
	{
		rtemp = READUINT8(save_p);
		for (j = 0; j < 8 && j+i < MAXUNLOCKABLES; ++j)
			unlockables[j+i].unlocked = ((rtemp >> j) & 1);
		i += j;
	}
	for (i = 0; i < MAXCONDITIONSETS;)
	{
		rtemp = READUINT8(save_p);
		for (j = 0; j < 8 && j+i < MAXCONDITIONSETS; ++j)
			conditionSets[j+i].achieved = ((rtemp >> j) & 1);
		i += j;
	}

	timesBeaten = READUINT32(save_p);
	timesBeatenWithEmeralds = READUINT32(save_p);
	timesBeatenUltimate = READUINT32(save_p);

	// Main records
	for (i = 0; i < NUMMAPS; ++i)
	{
		recscore = READUINT32(save_p);
		rectime  = (tic_t)READUINT32(save_p);
		recrings = READUINT16(save_p);

		if (recrings > 10000 || recscore > MAXSCORE)
			goto datacorrupt;

		if (recscore || rectime || recrings)
		{
			G_AllocMainRecordData((INT16)i);
			mainrecords[i]->score = recscore;
			mainrecords[i]->time = rectime;
			mainrecords[i]->rings = recrings;
		}
	}

	// Nights records
	for (i = 0; i < NUMMAPS; ++i)
	{
		if ((recmares = READUINT8(save_p)) == 0)
			continue;

		G_AllocNightsRecordData((INT16)i);

		for (curmare = 0; curmare < (recmares+1); ++curmare)
		{
			nightsrecords[i]->score[curmare] = READUINT32(save_p);
			nightsrecords[i]->grade[curmare] = READUINT8(save_p);
			nightsrecords[i]->time[curmare] = (tic_t)READUINT32(save_p);

			if (nightsrecords[i]->grade[curmare] > GRADE_S)
				goto datacorrupt;
		}

		nightsrecords[i]->nummares = recmares;
	}

	// done
	Z_Free(savebuffer);
	save_p = NULL;

	// Silent update unlockables in case they're out of sync with conditions
	M_SilentUpdateUnlockablesAndEmblems();

	return;

	// Landing point for corrupt gamedata
	datacorrupt:
	{
		const char *gdfolder = "the SRB2 folder";
		if (strcmp(srb2home,"."))
			gdfolder = srb2home;

		Z_Free(savebuffer);
		save_p = NULL;

		I_Error("Corrupt game data file.\nDelete %s(maybe in %s) and try again.", gamedatafilename, gdfolder);
	}
}

// G_SaveGameData
// Saves the main data file, which stores information such as emblems found, etc.
void G_SaveGameData(void)
{
	size_t length;
	INT32 i, j;
	UINT8 btemp;

	INT32 curmare;

	if (!gamedataloaded)
		return; // If never loaded (-nodata), don't save

	save_p = savebuffer = (UINT8 *)malloc(GAMEDATASIZE);
	if (!save_p)
	{
		CONS_Alert(CONS_ERROR, M_GetText("No more free memory for saving game data\n"));
		return;
	}

	if (modifiedgame && !savemoddata)
	{
		free(savebuffer);
		save_p = savebuffer = NULL;
		return;
	}

	// Version test
	WRITEUINT32(save_p, 0xFCAFE211);

	WRITEUINT32(save_p, totalplaytime);

	btemp = (UINT8)(savemoddata || modifiedgame);
	WRITEUINT8(save_p, btemp);

	// TODO put another cipher on these things? meh, I don't care...
	for (i = 0; i < NUMMAPS; i++)
		WRITEUINT8(save_p, (mapvisited[i] & MV_MAX));

	// To save space, use one bit per collected/achieved/unlocked flag
	for (i = 0; i < MAXEMBLEMS;)
	{
		btemp = 0;
		for (j = 0; j < 8 && j+i < MAXEMBLEMS; ++j)
			btemp |= (emblemlocations[j+i].collected << j);
		WRITEUINT8(save_p, btemp);
		i += j;
	}
	for (i = 0; i < MAXEXTRAEMBLEMS;)
	{
		btemp = 0;
		for (j = 0; j < 8 && j+i < MAXEXTRAEMBLEMS; ++j)
			btemp |= (extraemblems[j+i].collected << j);
		WRITEUINT8(save_p, btemp);
		i += j;
	}
	for (i = 0; i < MAXUNLOCKABLES;)
	{
		btemp = 0;
		for (j = 0; j < 8 && j+i < MAXUNLOCKABLES; ++j)
			btemp |= (unlockables[j+i].unlocked << j);
		WRITEUINT8(save_p, btemp);
		i += j;
	}
	for (i = 0; i < MAXCONDITIONSETS;)
	{
		btemp = 0;
		for (j = 0; j < 8 && j+i < MAXCONDITIONSETS; ++j)
			btemp |= (conditionSets[j+i].achieved << j);
		WRITEUINT8(save_p, btemp);
		i += j;
	}

	WRITEUINT32(save_p, timesBeaten);
	WRITEUINT32(save_p, timesBeatenWithEmeralds);
	WRITEUINT32(save_p, timesBeatenUltimate);

	// Main records
	for (i = 0; i < NUMMAPS; i++)
	{
		if (mainrecords[i])
		{
			WRITEUINT32(save_p, mainrecords[i]->score);
			WRITEUINT32(save_p, mainrecords[i]->time);
			WRITEUINT16(save_p, mainrecords[i]->rings);
		}
		else
		{
			WRITEUINT32(save_p, 0);
			WRITEUINT32(save_p, 0);
			WRITEUINT16(save_p, 0);
		}
	}

	// NiGHTS records
	for (i = 0; i < NUMMAPS; i++)
	{
		if (!nightsrecords[i] || !nightsrecords[i]->nummares)
		{
			WRITEUINT8(save_p, 0);
			continue;
		}

		WRITEUINT8(save_p, nightsrecords[i]->nummares);

		for (curmare = 0; curmare < (nightsrecords[i]->nummares + 1); ++curmare)
		{
			WRITEUINT32(save_p, nightsrecords[i]->score[curmare]);
			WRITEUINT8(save_p, nightsrecords[i]->grade[curmare]);
			WRITEUINT32(save_p, nightsrecords[i]->time[curmare]);
		}
	}

	length = save_p - savebuffer;

	FIL_WriteFile(va(pandf, srb2home, gamedatafilename), savebuffer, length);
	free(savebuffer);
	save_p = savebuffer = NULL;
}

#define VERSIONSIZE 16

//
// G_InitFromSavegame
// Can be called by the startup code or the menu task.
//
void G_LoadGame(UINT32 slot, INT16 mapoverride)
{
	size_t length;
	char vcheck[VERSIONSIZE];
	char savename[255];

	// memset savedata to all 0, fixes calling perfectly valid saves corrupt because of bots
	memset(&savedata, 0, sizeof(savedata));

#ifdef SAVEGAME_OTHERVERSIONS
	//Oh christ.  The force load response needs access to mapoverride too...
	startonmapnum = mapoverride;
#endif

	sprintf(savename, savegamename, slot);

	length = FIL_ReadFile(savename, &savebuffer);
	if (!length)
	{
		CONS_Printf(M_GetText("Couldn't read file %s\n"), savename);
		return;
	}

	save_p = savebuffer;

	memset(vcheck, 0, sizeof (vcheck));
	sprintf(vcheck, "version %d", VERSION);
	if (strcmp((const char *)save_p, (const char *)vcheck))
	{
#ifdef SAVEGAME_OTHERVERSIONS
		M_StartMessage(M_GetText("Save game from different version.\nYou can load this savegame, but\nsaving afterwards will be disabled.\n\nDo you want to continue anyway?\n\n(Press 'Y' to confirm)\n"),
		               M_ForceLoadGameResponse, MM_YESNO);
		//Freeing done by the callback function of the above message
#else
		M_ClearMenus(true); // so ESC backs out to title
		M_StartMessage(M_GetText("Save game from different version\n\nPress ESC\n"), NULL, MM_NOTHING);
		Command_ExitGame_f();
		Z_Free(savebuffer);
		save_p = savebuffer = NULL;

		// no cheating!
		memset(&savedata, 0, sizeof(savedata));
#endif
		return; // bad version
	}
	save_p += VERSIONSIZE;

//	if (demoplayback) // reset game engine
//		G_StopDemo();

//	paused = false;
//	automapactive = false;

	// dearchive all the modifications
	if (!P_LoadGame(mapoverride))
	{
		M_ClearMenus(true); // so ESC backs out to title
		M_StartMessage(M_GetText("Savegame file corrupted\n\nPress ESC\n"), NULL, MM_NOTHING);
		Command_ExitGame_f();
		Z_Free(savebuffer);
		save_p = savebuffer = NULL;

		// no cheating!
		memset(&savedata, 0, sizeof(savedata));
		return;
	}

	// done
	Z_Free(savebuffer);
	save_p = savebuffer = NULL;

//	gameaction = ga_nothing;
//	G_SetGamestate(GS_LEVEL);
	displayplayer = consoleplayer;
	multiplayer = splitscreen = false;

//	G_DeferedInitNew(sk_medium, G_BuildMapName(1), 0, 0, 1);
	if (setsizeneeded)
		R_ExecuteSetViewSize();

	M_ClearMenus(true);
	CON_ToggleOff();
}

//
// G_SaveGame
// Saves your game.
//
void G_SaveGame(UINT32 slot)
{
	boolean saved;
	char savename[256] = "";
	const char *backup;

	sprintf(savename, savegamename, slot);
	backup = va("%s",savename);

	// save during evaluation or credits? game's over, folks!
	if (gamestate == GS_ENDING || gamestate == GS_CREDITS || gamestate == GS_EVALUATION)
		gamecomplete = true;

	gameaction = ga_nothing;
	{
		char name[VERSIONSIZE];
		size_t length;

		save_p = savebuffer = (UINT8 *)malloc(SAVEGAMESIZE);
		if (!save_p)
		{
			CONS_Alert(CONS_ERROR, M_GetText("No more free memory for saving game data\n"));
			return;
		}

		memset(name, 0, sizeof (name));
		sprintf(name, "version %d", VERSION);
		WRITEMEM(save_p, name, VERSIONSIZE);

		P_SaveGame();

		length = save_p - savebuffer;
		saved = FIL_WriteFile(backup, savebuffer, length);
		free(savebuffer);
		save_p = savebuffer = NULL;
	}

	gameaction = ga_nothing;

	if (cv_debug && saved)
		CONS_Printf(M_GetText("Game saved.\n"));
	else if (!saved)
		CONS_Alert(CONS_ERROR, M_GetText("Error while writing to %s for save slot %u, base: %s\n"), backup, slot, savegamename);
}

#define BADSAVE goto cleanup;
#define CHECKPOS if (save_p >= end_p) BADSAVE
void G_SaveGameOver(UINT32 slot, boolean modifylives)
{
	boolean saved = false;
	size_t length;
	char vcheck[VERSIONSIZE];
	char savename[255];
	const char *backup;

	sprintf(savename, savegamename, slot);
	backup = va("%s",savename);

	length = FIL_ReadFile(savename, &savebuffer);
	if (!length)
	{
		CONS_Printf(M_GetText("Couldn't read file %s\n"), savename);
		return;
	}

	{
		char temp[sizeof(timeattackfolder)];
		UINT8 *end_p = savebuffer + length;
		UINT8 *lives_p;
		SINT8 pllives;

		save_p = savebuffer;
		// Version check
		memset(vcheck, 0, sizeof (vcheck));
		sprintf(vcheck, "version %d", VERSION);
		if (strcmp((const char *)save_p, (const char *)vcheck)) BADSAVE
		save_p += VERSIONSIZE;

		// P_UnArchiveMisc()
		(void)READINT16(save_p);
		CHECKPOS
		(void)READUINT16(save_p); // emeralds
		CHECKPOS
		READSTRINGN(save_p, temp, sizeof(temp)); // mod it belongs to
		if (strcmp(temp, timeattackfolder)) BADSAVE

		// P_UnArchivePlayer()
		CHECKPOS
		(void)READUINT16(save_p);
		CHECKPOS

		WRITEUINT8(save_p, numgameovers);
		CHECKPOS

		lives_p = save_p;
		pllives = READSINT8(save_p); // lives
		CHECKPOS
		if (modifylives && pllives < startinglivesbalance[numgameovers])
		{
			pllives = startinglivesbalance[numgameovers];
			WRITESINT8(lives_p, pllives);
		}

		(void)READINT32(save_p); // Score
		CHECKPOS
		(void)READINT32(save_p); // continues

		// File end marker check
		CHECKPOS
		if (READUINT8(save_p) != 0x1d) BADSAVE;

		// done
		saved = FIL_WriteFile(backup, savebuffer, length);
	}

cleanup:
	if (cv_debug && saved)
		CONS_Printf(M_GetText("Game saved.\n"));
	else if (!saved)
		CONS_Alert(CONS_ERROR, M_GetText("Error while writing to %s for save slot %u, base: %s\n"), backup, slot, savegamename);
	Z_Free(savebuffer);
	save_p = savebuffer = NULL;

}
#undef CHECKPOS
#undef BADSAVE

//
// G_DeferedInitNew
// Can be called by the startup code or the menu task,
// consoleplayer, displayplayer, playeringame[] should be set.
//
void G_DeferedInitNew(boolean pultmode, const char *mapname, INT32 pickedchar, boolean SSSG, boolean FLS)
{
	UINT8 color = skins[pickedchar].prefcolor;
	paused = false;

	if (demoplayback)
		COM_BufAddText("stopdemo\n");
	ghosts = NULL;

	// this leave the actual game if needed
	SV_StartSinglePlayerServer();

	if (savedata.lives > 0)
	{
		if ((botingame = ((botskin = savedata.botskin) != 0)))
			botcolor = skins[botskin-1].prefcolor;
	}
	else if (splitscreen != SSSG)
	{
		splitscreen = SSSG;
		SplitScreen_OnChange();
	}

	color = skins[pickedchar].prefcolor;
	SetPlayerSkinByNum(consoleplayer, pickedchar);
	CV_StealthSet(&cv_skin, skins[pickedchar].name);
	CV_StealthSetValue(&cv_playercolor, color);

	if (mapname)
		D_MapChange(M_MapNumber(mapname[3], mapname[4]), gametype, pultmode, true, 1, false, FLS);
}

//
// This is the map command interpretation something like Command_Map_f
//
// called at: map cmd execution, doloadgame, doplaydemo
void G_InitNew(UINT8 pultmode, const char *mapname, boolean resetplayer, boolean skipprecutscene, boolean FLS)
{
	INT32 i;

	if (paused)
	{
		paused = false;
		S_ResumeAudio();
	}

	if (netgame || multiplayer) // Nice try, haxor.
		ultimatemode = false;

	if (!demoplayback && !netgame) // Netgame sets random seed elsewhere, demo playback sets seed just before us!
		P_SetRandSeed(M_RandomizedSeed()); // Use a more "Random" random seed

	if (resetplayer)
	{
		// Clear a bunch of variables
		numgameovers = tokenlist = token = sstimer = redscore = bluescore = lastmap = 0;
		countdown = countdown2 = exitfadestarted = 0;

		for (i = 0; i < MAXPLAYERS; i++)
		{
			players[i].playerstate = PST_REBORN;
			players[i].starpostscale = players[i].starpostangle = players[i].starpostnum = players[i].starposttime = 0;
			players[i].starpostx = players[i].starposty = players[i].starpostz = 0;

			if (netgame || multiplayer)
			{
				if (!FLS || (players[i].lives < 1))
					players[i].lives = cv_startinglives.value;
				players[i].continues = 0;
			}
			else
			{
				players[i].lives = (pultmode) ? 1 : startinglivesbalance[0];
				players[i].continues = (pultmode) ? 0 : 1;
			}

			if (!((netgame || multiplayer) && (FLS)))
				players[i].score = 0;

			// The latter two should clear by themselves, but just in case
			players[i].pflags &= ~(PF_TAGIT|PF_GAMETYPEOVER|PF_FULLSTASIS);

			// Clear cheatcodes too, just in case.
			players[i].pflags &= ~(PF_GODMODE|PF_NOCLIP|PF_INVIS);

			players[i].xtralife = 0;
		}

		// Reset unlockable triggers
		unlocktriggers = 0;

		// clear itemfinder, just in case
		if (!dedicated)	// except in dedicated servers, where it is not registered and can actually I_Error debug builds
			CV_StealthSetValue(&cv_itemfinder, 0);
	}

	// internal game map
	// well this check is useless because it is done before (d_netcmd.c::command_map_f)
	// but in case of for demos....
	if (W_CheckNumForName(mapname) == LUMPERROR)
	{
		I_Error("Internal game map '%s' not found\n", mapname);
		Command_ExitGame_f();
		return;
	}

	gamemap = (INT16)M_MapNumber(mapname[3], mapname[4]); // get xx out of MAPxx

	// gamemap changed; we assume that its map header is always valid,
	// so make it so
	if(!mapheaderinfo[gamemap-1])
		P_AllocMapHeader(gamemap-1);

	maptol = mapheaderinfo[gamemap-1]->typeoflevel;
	globalweather = mapheaderinfo[gamemap-1]->weather;

	// Don't carry over custom music change to another map.
	mapmusflags |= MUSIC_RELOADRESET;

	ultimatemode = pultmode;
	automapactive = false;
	imcontinuing = false;

	if (!skipprecutscene && mapheaderinfo[gamemap-1]->precutscenenum && !modeattacking) // Start a custom cutscene.
		F_StartCustomCutscene(mapheaderinfo[gamemap-1]->precutscenenum-1, true, resetplayer);
	else
		G_DoLoadLevel(resetplayer);

	if (netgame)
	{
		char *title = G_BuildMapTitle(gamemap);

		CONS_Printf(M_GetText("Map is now \"%s"), G_BuildMapName(gamemap));
		if (title)
		{
			CONS_Printf(": %s", title);
			Z_Free(title);
		}
		CONS_Printf("\"\n");
	}
}


char *G_BuildMapTitle(INT32 mapnum)
{
	char *title = NULL;

	if (!mapheaderinfo[mapnum-1])
		P_AllocMapHeader(mapnum-1);

	if (strcmp(mapheaderinfo[mapnum-1]->lvlttl, ""))
	{
		size_t len = 1;
		const char *zonetext = NULL;
		const INT32 actnum = mapheaderinfo[mapnum-1]->actnum;

		len += strlen(mapheaderinfo[mapnum-1]->lvlttl);
		if (!(mapheaderinfo[mapnum-1]->levelflags & LF_NOZONE))
		{
			zonetext = M_GetText("ZONE");
			len += strlen(zonetext) + 1;	// ' ' + zonetext
		}
		if (actnum > 0)
			len += 1 + 11;			// ' ' + INT32

		title = Z_Malloc(len, PU_STATIC, NULL);

		sprintf(title, "%s", mapheaderinfo[mapnum-1]->lvlttl);
		if (zonetext) sprintf(title + strlen(title), " %s", zonetext);
		if (actnum > 0) sprintf(title + strlen(title), " %d", actnum);
	}

	return title;
}

//
// DEMO RECORDING
//

#define DEMOVERSION 0x000a
#define DEMOHEADER  "\xF0" "SRB2Replay" "\x0F"

#define DF_GHOST        0x01 // This demo contains ghost data too!
#define DF_RECORDATTACK 0x02 // This demo is from record attack and contains its final completion time, score, and rings!
#define DF_NIGHTSATTACK 0x04 // This demo is from NiGHTS attack and contains its time left, score, and mares!
#define DF_ATTACKMASK   0x06 // This demo is from ??? attack and contains ???
#define DF_ATTACKSHIFT  1

// For demos
#define ZT_FWD     0x01
#define ZT_SIDE    0x02
#define ZT_ANGLE   0x04
#define ZT_BUTTONS 0x08
#define ZT_AIMING  0x10
#define DEMOMARKER 0x80 // demoend

static ticcmd_t oldcmd;

// For Metal Sonic and time attack ghosts
#define GZT_XYZ    0x01
#define GZT_MOMXY  0x02
#define GZT_MOMZ   0x04
#define GZT_ANGLE  0x08
// Not used for Metal Sonic
#define GZT_FRAME  0x10 // Animation frame
#define GZT_SPR2   0x20 // Player animations
#define GZT_EXTRA  0x40
#define GZT_FOLLOW 0x80 // Followmobj

// GZT_EXTRA flags
#define EZT_THOK   0x01 // Spawned a thok object
#define EZT_SPIN   0x02 // Because one type of thok object apparently wasn't enough
#define EZT_REV    0x03 // And two types wasn't enough either yet
#define EZT_THOKMASK 0x03
#define EZT_COLOR  0x04 // Changed color (Super transformation, Mario fireflowers/invulnerability, etc.)
#define EZT_FLIP   0x08 // Reversed gravity
#define EZT_SCALE  0x10 // Changed size
#define EZT_HIT    0x20 // Damaged a mobj
#define EZT_SPRITE 0x40 // Changed sprite set completely out of PLAY (NiGHTS, SOCs, whatever)
// spare EZT slot  0x80

static mobj_t oldmetal, oldghost;

void G_SaveMetal(UINT8 **buffer)
{
	I_Assert(buffer != NULL && *buffer != NULL);

	WRITEUINT32(*buffer, metal_p - metalbuffer);
}

void G_LoadMetal(UINT8 **buffer)
{
	I_Assert(buffer != NULL && *buffer != NULL);

	G_DoPlayMetal();
	metal_p = metalbuffer + READUINT32(*buffer);
}

ticcmd_t *G_CopyTiccmd(ticcmd_t* dest, const ticcmd_t* src, const size_t n)
{
	return M_Memcpy(dest, src, n*sizeof(*src));
}

ticcmd_t *G_MoveTiccmd(ticcmd_t* dest, const ticcmd_t* src, const size_t n)
{
	size_t i;
	for (i = 0; i < n; i++)
	{
		dest[i].forwardmove = src[i].forwardmove;
		dest[i].sidemove = src[i].sidemove;
		dest[i].angleturn = SHORT(src[i].angleturn);
		dest[i].aiming = (INT16)SHORT(src[i].aiming);
		dest[i].buttons = (UINT16)SHORT(src[i].buttons);
	}
	return dest;
}

void G_ReadDemoTiccmd(ticcmd_t *cmd, INT32 playernum)
{
	UINT8 ziptic;
	(void)playernum;

	if (!demo_p || !demo_start)
		return;
	ziptic = READUINT8(demo_p);

	if (ziptic & ZT_FWD)
		oldcmd.forwardmove = READSINT8(demo_p);
	if (ziptic & ZT_SIDE)
		oldcmd.sidemove = READSINT8(demo_p);
	if (ziptic & ZT_ANGLE)
		oldcmd.angleturn = READINT16(demo_p);
	if (ziptic & ZT_BUTTONS)
		oldcmd.buttons = (oldcmd.buttons & (BT_CAMLEFT|BT_CAMRIGHT)) | (READUINT16(demo_p) & ~(BT_CAMLEFT|BT_CAMRIGHT));
	if (ziptic & ZT_AIMING)
		oldcmd.aiming = READINT16(demo_p);

	G_CopyTiccmd(cmd, &oldcmd, 1);

	if (!(demoflags & DF_GHOST) && *demo_p == DEMOMARKER)
	{
		// end of demo data stream
		G_CheckDemoStatus();
		return;
	}
}

void G_WriteDemoTiccmd(ticcmd_t *cmd, INT32 playernum)
{
	char ziptic = 0;
	UINT8 *ziptic_p;
	(void)playernum;

	if (!demo_p)
		return;
	ziptic_p = demo_p++; // the ziptic, written at the end of this function

	if (cmd->forwardmove != oldcmd.forwardmove)
	{
		WRITEUINT8(demo_p,cmd->forwardmove);
		oldcmd.forwardmove = cmd->forwardmove;
		ziptic |= ZT_FWD;
	}

	if (cmd->sidemove != oldcmd.sidemove)
	{
		WRITEUINT8(demo_p,cmd->sidemove);
		oldcmd.sidemove = cmd->sidemove;
		ziptic |= ZT_SIDE;
	}

	if (cmd->angleturn != oldcmd.angleturn)
	{
		WRITEINT16(demo_p,cmd->angleturn);
		oldcmd.angleturn = cmd->angleturn;
		ziptic |= ZT_ANGLE;
	}

	if (cmd->buttons != oldcmd.buttons)
	{
		WRITEUINT16(demo_p,cmd->buttons);
		oldcmd.buttons = cmd->buttons;
		ziptic |= ZT_BUTTONS;
	}

	if (cmd->aiming != oldcmd.aiming)
	{
		WRITEINT16(demo_p,cmd->aiming);
		oldcmd.aiming = cmd->aiming;
		ziptic |= ZT_AIMING;
	}

	*ziptic_p = ziptic;

	// attention here for the ticcmd size!
	// latest demos with mouse aiming byte in ticcmd
	if (!(demoflags & DF_GHOST) && ziptic_p > demoend - 9)
	{
		G_CheckDemoStatus(); // no more space
		return;
	}
}

void G_GhostAddThok(void)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	ghostext.flags = (ghostext.flags & ~EZT_THOKMASK) | EZT_THOK;
}

void G_GhostAddSpin(void)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	ghostext.flags = (ghostext.flags & ~EZT_THOKMASK) | EZT_SPIN;
}

void G_GhostAddRev(void)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	ghostext.flags = (ghostext.flags & ~EZT_THOKMASK) | EZT_REV;
}

void G_GhostAddFlip(void)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	ghostext.flags |= EZT_FLIP;
}

void G_GhostAddColor(ghostcolor_t color)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	if (ghostext.lastcolor == (UINT8)color)
	{
		ghostext.flags &= ~EZT_COLOR;
		return;
	}
	ghostext.flags |= EZT_COLOR;
	ghostext.color = (UINT8)color;
}

void G_GhostAddScale(fixed_t scale)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	if (ghostext.lastscale == scale)
	{
		ghostext.flags &= ~EZT_SCALE;
		return;
	}
	ghostext.flags |= EZT_SCALE;
	ghostext.scale = scale;
}

void G_GhostAddHit(mobj_t *victim)
{
	if (!demorecording || !(demoflags & DF_GHOST))
		return;
	ghostext.flags |= EZT_HIT;
	ghostext.hits++;
	ghostext.hitlist = Z_Realloc(ghostext.hitlist, ghostext.hits * sizeof(mobj_t *), PU_LEVEL, NULL);
	ghostext.hitlist[ghostext.hits-1] = victim;
}

void G_WriteGhostTic(mobj_t *ghost)
{
	char ziptic = 0;
	UINT8 *ziptic_p;
	UINT32 i;

	if (!demo_p)
		return;
	if (!(demoflags & DF_GHOST))
		return; // No ghost data to write.

	ziptic_p = demo_p++; // the ziptic, written at the end of this function

	#define MAXMOM (0xFFFF<<8)

	// GZT_XYZ is only useful if you've moved 256 FRACUNITS or more in a single tic.
	if (abs(ghost->x-oldghost.x) > MAXMOM
	|| abs(ghost->y-oldghost.y) > MAXMOM
	|| abs(ghost->z-oldghost.z) > MAXMOM)
	{
		oldghost.x = ghost->x;
		oldghost.y = ghost->y;
		oldghost.z = ghost->z;
		ziptic |= GZT_XYZ;
		WRITEFIXED(demo_p,oldghost.x);
		WRITEFIXED(demo_p,oldghost.y);
		WRITEFIXED(demo_p,oldghost.z);
	}
	else
	{
		// For moving normally:
		// Store one full byte of movement, plus one byte of fractional movement.
		INT16 momx = (INT16)((ghost->x-oldghost.x)>>8);
		INT16 momy = (INT16)((ghost->y-oldghost.y)>>8);
		if (momx != oldghost.momx
		|| momy != oldghost.momy)
		{
			oldghost.momx = momx;
			oldghost.momy = momy;
			ziptic |= GZT_MOMXY;
			WRITEINT16(demo_p,momx);
			WRITEINT16(demo_p,momy);
		}
		momx = (INT16)((ghost->z-oldghost.z)>>8);
		if (momx != oldghost.momz)
		{
			oldghost.momz = momx;
			ziptic |= GZT_MOMZ;
			WRITEINT16(demo_p,momx);
		}

		// This SHOULD set oldghost.x/y/z to match ghost->x/y/z
		// but it keeps the fractional loss of one byte,
		// so it will hopefully be made up for in future tics.
		oldghost.x += oldghost.momx<<8;
		oldghost.y += oldghost.momy<<8;
		oldghost.z += oldghost.momz<<8;
	}

	#undef MAXMOM

	// Only store the 8 most relevant bits of angle
	// because exact values aren't too easy to discern to begin with when only 8 angles have different sprites
	// and it does not affect this mode of movement at all anyway.
	if (ghost->player && ghost->player->drawangle>>24 != oldghost.angle)
	{
		oldghost.angle = ghost->player->drawangle>>24;
		ziptic |= GZT_ANGLE;
		WRITEUINT8(demo_p,oldghost.angle);
	}

	// Store the sprite frame.
	if ((ghost->frame & FF_FRAMEMASK) != oldghost.frame)
	{
		oldghost.frame = (ghost->frame & FF_FRAMEMASK);
		ziptic |= GZT_FRAME;
		WRITEUINT8(demo_p,oldghost.frame);
	}

	if (ghost->sprite == SPR_PLAY
	&& ghost->sprite2 != oldghost.sprite2)
	{
		oldghost.sprite2 = ghost->sprite2;
		ziptic |= GZT_SPR2;
		WRITEUINT8(demo_p,oldghost.sprite2);
	}

	// Check for sprite set changes
	if (ghost->sprite != oldghost.sprite)
	{
		oldghost.sprite = ghost->sprite;
		ghostext.flags |= EZT_SPRITE;
	}

	if (ghostext.flags)
	{
		ziptic |= GZT_EXTRA;

		if (ghostext.color == ghostext.lastcolor)
			ghostext.flags &= ~EZT_COLOR;
		if (ghostext.scale == ghostext.lastscale)
			ghostext.flags &= ~EZT_SCALE;

		WRITEUINT8(demo_p,ghostext.flags);
		if (ghostext.flags & EZT_COLOR)
		{
			WRITEUINT8(demo_p,ghostext.color);
			ghostext.lastcolor = ghostext.color;
		}
		if (ghostext.flags & EZT_SCALE)
		{
			WRITEFIXED(demo_p,ghostext.scale);
			ghostext.lastscale = ghostext.scale;
		}
		if (ghostext.flags & EZT_HIT)
		{
			WRITEUINT16(demo_p,ghostext.hits);
			for (i = 0; i < ghostext.hits; i++)
			{
				mobj_t *mo = ghostext.hitlist[i];
				//WRITEUINT32(demo_p,UINT32_MAX); // reserved for some method of determining exactly which mobj this is. (mobjnum doesn't work here.)
				WRITEUINT32(demo_p,mo->type);
				WRITEUINT16(demo_p,(UINT16)mo->health);
				WRITEFIXED(demo_p,mo->x);
				WRITEFIXED(demo_p,mo->y);
				WRITEFIXED(demo_p,mo->z);
				WRITEANGLE(demo_p,mo->angle);
			}
			Z_Free(ghostext.hitlist);
			ghostext.hits = 0;
			ghostext.hitlist = NULL;
		}
		if (ghostext.flags & EZT_SPRITE)
			WRITEUINT8(demo_p,oldghost.sprite);
		ghostext.flags = 0;
	}

	if (ghost->player && ghost->player->followmobj) // bloats tails runs but what can ya do
	{
		INT16 temp;

		ziptic |= GZT_FOLLOW;

		temp = (INT16)((ghost->player->followmobj->x-ghost->x)>>8);
		WRITEINT16(demo_p,temp);
		temp = (INT16)((ghost->player->followmobj->y-ghost->y)>>8);
		WRITEINT16(demo_p,temp);
		temp = (INT16)((ghost->player->followmobj->z-ghost->z)>>8);
		WRITEINT16(demo_p,temp);
		WRITEUINT8(demo_p,ghost->player->followmobj->sprite);
		WRITEUINT8(demo_p,ghost->player->followmobj->sprite2);
		WRITEUINT8(demo_p,(ghost->player->followmobj->frame & FF_FRAMEMASK));
	}

	*ziptic_p = ziptic;

	// attention here for the ticcmd size!
	// latest demos with mouse aiming byte in ticcmd
	if (demo_p >= demoend - (13 + 9 + 9))
	{
		G_CheckDemoStatus(); // no more space
		return;
	}
}

// Uses ghost data to do consistency checks on your position.
// This fixes desynchronising demos when fighting eggman.
void G_ConsGhostTic(void)
{
	UINT8 ziptic;
	UINT16 px,py,pz,gx,gy,gz;
	mobj_t *testmo;

	if (!demo_p || !demo_start)
		return;
	if (!(demoflags & DF_GHOST))
		return; // No ghost data to use.

	testmo = players[0].mo;

	// Grab ghost data.
	ziptic = READUINT8(demo_p);
	if (ziptic & GZT_XYZ)
	{
		oldghost.x = READFIXED(demo_p);
		oldghost.y = READFIXED(demo_p);
		oldghost.z = READFIXED(demo_p);
	}
	else
	{
		if (ziptic & GZT_MOMXY)
		{
			oldghost.momx = READINT16(demo_p)<<8;
			oldghost.momy = READINT16(demo_p)<<8;
		}
		if (ziptic & GZT_MOMZ)
			oldghost.momz = READINT16(demo_p)<<8;
		oldghost.x += oldghost.momx;
		oldghost.y += oldghost.momy;
		oldghost.z += oldghost.momz;
	}
	if (ziptic & GZT_ANGLE)
		demo_p++;
	if (ziptic & GZT_FRAME)
		demo_p++;
	if (ziptic & GZT_SPR2)
		demo_p++;

	if (ziptic & GZT_EXTRA)
	{ // But wait, there's more!
		UINT8 xziptic = READUINT8(demo_p);
		if (xziptic & EZT_COLOR)
			demo_p++;
		if (xziptic & EZT_SCALE)
			demo_p += sizeof(fixed_t);
		if (xziptic & EZT_HIT)
		{ // Resync mob damage.
			UINT16 i, count = READUINT16(demo_p);
			thinker_t *th;
			mobj_t *mobj;

			UINT32 type;
			UINT16 health;
			fixed_t x;
			fixed_t y;
			fixed_t z;

			for (i = 0; i < count; i++)
			{
				//demo_p += 4; // reserved.
				type = READUINT32(demo_p);
				health = READUINT16(demo_p);
				x = READFIXED(demo_p);
				y = READFIXED(demo_p);
				z = READFIXED(demo_p);
				demo_p += sizeof(angle_t); // angle, unnecessary for cons.

				mobj = NULL;
				for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next)
				{
					if (th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed)
						continue;
					mobj = (mobj_t *)th;
					if (mobj->type == (mobjtype_t)type && mobj->x == x && mobj->y == y && mobj->z == z)
						break;
				}
				if (th != &thlist[THINK_MOBJ] && mobj->health != health) // Wasn't damaged?! This is desync! Fix it!
				{
					if (demosynced)
						CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
					demosynced = false;
					P_DamageMobj(mobj, players[0].mo, players[0].mo, 1, 0);
				}
			}
		}
		if (xziptic & EZT_SPRITE)
			demo_p++;
	}

	if (ziptic & GZT_FOLLOW)
	{ // Even more...
		demo_p += sizeof(INT16);
		demo_p += sizeof(INT16);
		demo_p += sizeof(INT16);
		demo_p++;
		demo_p++;
		demo_p++;
	}

	// Re-synchronise
	px = testmo->x>>FRACBITS;
	py = testmo->y>>FRACBITS;
	pz = testmo->z>>FRACBITS;
	gx = oldghost.x>>FRACBITS;
	gy = oldghost.y>>FRACBITS;
	gz = oldghost.z>>FRACBITS;

	if (px != gx || py != gy || pz != gz)
	{
		if (demosynced)
			CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
		demosynced = false;

		P_UnsetThingPosition(testmo);
		testmo->x = oldghost.x;
		testmo->y = oldghost.y;
		P_SetThingPosition(testmo);
		testmo->z = oldghost.z;
	}

	if (*demo_p == DEMOMARKER)
	{
		// end of demo data stream
		G_CheckDemoStatus();
		return;
	}
}

void G_GhostTicker(void)
{
	demoghost *g,*p;
	for(g = ghosts, p = NULL; g; g = g->next)
	{
		// Skip normal demo data.
		UINT8 ziptic = READUINT8(g->p);
		UINT8 xziptic = 0;
		if (ziptic & ZT_FWD)
			g->p++;
		if (ziptic & ZT_SIDE)
			g->p++;
		if (ziptic & ZT_ANGLE)
			g->p += 2;
		if (ziptic & ZT_BUTTONS)
			g->p += 2;
		if (ziptic & ZT_AIMING)
			g->p += 2;

		// Grab ghost data.
		ziptic = READUINT8(g->p);
		if (ziptic & GZT_XYZ)
		{
			g->oldmo.x = READFIXED(g->p);
			g->oldmo.y = READFIXED(g->p);
			g->oldmo.z = READFIXED(g->p);
		}
		else
		{
			if (ziptic & GZT_MOMXY)
			{
				g->oldmo.momx = READINT16(g->p)<<8;
				g->oldmo.momy = READINT16(g->p)<<8;
			}
			if (ziptic & GZT_MOMZ)
				g->oldmo.momz = READINT16(g->p)<<8;
			g->oldmo.x += g->oldmo.momx;
			g->oldmo.y += g->oldmo.momy;
			g->oldmo.z += g->oldmo.momz;
		}
		if (ziptic & GZT_ANGLE)
			g->mo->angle = READUINT8(g->p)<<24;
		if (ziptic & GZT_FRAME)
			g->oldmo.frame = READUINT8(g->p);
		if (ziptic & GZT_SPR2)
			g->oldmo.sprite2 = READUINT8(g->p);

		// Update ghost
		P_UnsetThingPosition(g->mo);
		g->mo->x = g->oldmo.x;
		g->mo->y = g->oldmo.y;
		g->mo->z = g->oldmo.z;
		P_SetThingPosition(g->mo);
		g->mo->frame = g->oldmo.frame | tr_trans30<<FF_TRANSSHIFT;
		g->mo->sprite2 = g->oldmo.sprite2;

		if (ziptic & GZT_EXTRA)
		{ // But wait, there's more!
			xziptic = READUINT8(g->p);
			if (xziptic & EZT_COLOR)
			{
				g->color = READUINT8(g->p);
				switch(g->color)
				{
				default:
				case GHC_RETURNSKIN:
					g->mo->skin = g->oldmo.skin;
					// fallthru
				case GHC_NORMAL: // Go back to skin color
					g->mo->color = g->oldmo.color;
					break;
				// Handled below
				case GHC_SUPER:
				case GHC_INVINCIBLE:
					break;
				case GHC_FIREFLOWER: // Fireflower
					g->mo->color = SKINCOLOR_WHITE;
					break;
				case GHC_NIGHTSSKIN: // not actually a colour
					g->mo->skin = &skins[DEFAULTNIGHTSSKIN];
					break;
				}
			}
			if (xziptic & EZT_FLIP)
				g->mo->eflags ^= MFE_VERTICALFLIP;
			if (xziptic & EZT_SCALE)
			{
				g->mo->destscale = READFIXED(g->p);
				if (g->mo->destscale != g->mo->scale)
					P_SetScale(g->mo, g->mo->destscale);
			}
			if (xziptic & EZT_THOKMASK)
			{ // Let's only spawn ONE of these per frame, thanks.
				mobj_t *mobj;
				INT32 type = -1;
				if (g->mo->skin)
				{
					skin_t *skin = (skin_t *)g->mo->skin;
					switch (xziptic & EZT_THOKMASK)
					{
					case EZT_THOK:
						type = skin->thokitem < 0 ? (UINT32)mobjinfo[MT_PLAYER].painchance : (UINT32)skin->thokitem;
						break;
					case EZT_SPIN:
						type = skin->spinitem < 0 ? (UINT32)mobjinfo[MT_PLAYER].damage : (UINT32)skin->spinitem;
						break;
					case EZT_REV:
						type = skin->revitem < 0 ? (UINT32)mobjinfo[MT_PLAYER].raisestate : (UINT32)skin->revitem;
						break;
					}
				}
				if (type == MT_GHOST)
				{
					mobj = P_SpawnGhostMobj(g->mo); // does a large portion of the work for us
					mobj->frame = (mobj->frame & ~FF_FRAMEMASK)|tr_trans60<<FF_TRANSSHIFT; // P_SpawnGhostMobj sets trans50, we want trans60
				}
				else
				{
					mobj = P_SpawnMobj(g->mo->x, g->mo->y, g->mo->z - FixedDiv(FixedMul(g->mo->info->height, g->mo->scale) - g->mo->height,3*FRACUNIT), MT_THOK);
					mobj->sprite = states[mobjinfo[type].spawnstate].sprite;
					mobj->frame = (states[mobjinfo[type].spawnstate].frame & FF_FRAMEMASK) | tr_trans60<<FF_TRANSSHIFT;
					mobj->tics = -1; // nope.
					mobj->color = g->mo->color;
					if (g->mo->eflags & MFE_VERTICALFLIP)
					{
						mobj->flags2 |= MF2_OBJECTFLIP;
						mobj->eflags |= MFE_VERTICALFLIP;
					}
					P_SetScale(mobj, g->mo->scale);
					mobj->destscale = g->mo->scale;
				}
				mobj->floorz = mobj->z;
				mobj->ceilingz = mobj->z+mobj->height;
				P_UnsetThingPosition(mobj);
				mobj->flags = MF_NOBLOCKMAP|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOGRAVITY; // make an ATTEMPT to curb crazy SOCs fucking stuff up...
				P_SetThingPosition(mobj);
				mobj->fuse = 8;
				P_SetTarget(&mobj->target, g->mo);
			}
			if (xziptic & EZT_HIT)
			{ // Spawn hit poofs for killing things!
				UINT16 i, count = READUINT16(g->p), health;
				UINT32 type;
				fixed_t x,y,z;
				angle_t angle;
				mobj_t *poof;
				for (i = 0; i < count; i++)
				{
					//g->p += 4; // reserved
					type = READUINT32(g->p);
					health = READUINT16(g->p);
					x = READFIXED(g->p);
					y = READFIXED(g->p);
					z = READFIXED(g->p);
					angle = READANGLE(g->p);
					if (!(mobjinfo[type].flags & MF_SHOOTABLE)
					|| !(mobjinfo[type].flags & (MF_ENEMY|MF_MONITOR))
					|| health != 0 || i >= 4) // only spawn for the first 4 hits per frame, to prevent ghosts from splode-spamming too bad.
						continue;
					poof = P_SpawnMobj(x, y, z, MT_GHOST);
					poof->angle = angle;
					poof->flags = MF_NOBLOCKMAP|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOGRAVITY; // make an ATTEMPT to curb crazy SOCs fucking stuff up...
					poof->health = 0;
					P_SetMobjStateNF(poof, S_XPLD1);
				}
			}
			if (xziptic & EZT_SPRITE)
				g->mo->sprite = READUINT8(g->p);
		}

		// Tick ghost colors (Super and Mario Invincibility flashing)
		switch(g->color)
		{
		case GHC_SUPER: // Super (P_DoSuperStuff)
			if (g->mo->skin)
			{
				skin_t *skin = (skin_t *)g->mo->skin;
				g->mo->color = skin->supercolor;
			}
			else
				g->mo->color = SKINCOLOR_SUPERGOLD1;
			g->mo->color += abs( ( (signed)( (unsigned)leveltime >> 1 ) % 9) - 4);
			break;
		case GHC_INVINCIBLE: // Mario invincibility (P_CheckInvincibilityTimer)
			g->mo->color = (UINT8)(SKINCOLOR_RUBY + (leveltime % (MAXSKINCOLORS - SKINCOLOR_RUBY))); // Passes through all saturated colours
			break;
		default:
			break;
		}

#define follow g->mo->tracer
		if (ziptic & GZT_FOLLOW)
		{ // Even more...
			if (!follow)
			{
				mobj_t *newmo = P_SpawnMobj(g->mo->x, g->mo->y, g->mo->z, MT_GHOST);
				P_SetTarget(&g->mo->tracer, newmo);
				P_SetTarget(&newmo->tracer, g->mo);
				newmo->skin = g->mo->skin;
				newmo->tics = -1;
				newmo->flags2 |= MF2_LINKDRAW;

				follow->eflags = (follow->eflags & ~MFE_VERTICALFLIP)|(g->mo->eflags & MFE_VERTICALFLIP);
				follow->destscale = g->mo->destscale;
				if (follow->destscale != follow->scale)
					P_SetScale(follow, follow->destscale);
			}
			else
			{
				if (xziptic & EZT_FLIP)
					g->mo->eflags ^= MFE_VERTICALFLIP;
				if (xziptic & EZT_SCALE)
				{
					follow->destscale = g->mo->destscale;
					if (follow->destscale != follow->scale)
						P_SetScale(follow, follow->destscale);
				}
			}

			P_UnsetThingPosition(follow);
			follow->x = g->mo->x + (READINT16(g->p)<<8);
			follow->y = g->mo->y + (READINT16(g->p)<<8);
			follow->z = g->mo->z + (READINT16(g->p)<<8);
			P_SetThingPosition(follow);
			follow->sprite = READUINT8(g->p);
			follow->sprite2 = READUINT8(g->p);
			follow->frame = (READUINT8(g->p)) | tr_trans30<<FF_TRANSSHIFT;

			follow->angle = g->mo->angle;
			follow->color = g->mo->color;
		}
		else if (follow)
		{
			P_RemoveMobj(follow);
			P_SetTarget(&follow, NULL);
		}
#undef follow

		// Demo ends after ghost data.
		if (*g->p == DEMOMARKER)
		{
			g->mo->momx = g->mo->momy = g->mo->momz = 0;
			if (p)
				p->next = g->next;
			else
				ghosts = g->next;
			Z_Free(g);
			continue;
		}
		p = g;
	}
}

void G_ReadMetalTic(mobj_t *metal)
{
	UINT8 ziptic;
	UINT16 speed;
	UINT8 statetype;

	if (!metal_p)
		return;
	ziptic = READUINT8(metal_p);

	// Read changes from the tic
	if (ziptic & GZT_XYZ)
	{
		P_TeleportMove(metal, READFIXED(metal_p), READFIXED(metal_p), READFIXED(metal_p));
		oldmetal.x = metal->x;
		oldmetal.y = metal->y;
		oldmetal.z = metal->z;
	}
	else
	{
		if (ziptic & GZT_MOMXY)
		{
			oldmetal.momx = READINT16(metal_p)<<8;
			oldmetal.momy = READINT16(metal_p)<<8;
		}
		if (ziptic & GZT_MOMZ)
			oldmetal.momz = READINT16(metal_p)<<8;
		oldmetal.x += oldmetal.momx;
		oldmetal.y += oldmetal.momy;
		oldmetal.z += oldmetal.momz;
	}
	if (ziptic & GZT_ANGLE)
		metal->angle = READUINT8(metal_p)<<24;
	if (ziptic & GZT_FRAME)
		metal_p++; // Currently unused. (Metal Sonic figures out what he's doing his own damn self.)
	if (ziptic & GZT_SPR2)
		metal_p++;

	// Set movement, position, and angle
	// oldmetal contains where you're supposed to be.
	metal->momx = oldmetal.momx;
	metal->momy = oldmetal.momy;
	metal->momz = oldmetal.momz;
	P_UnsetThingPosition(metal);
	metal->x = oldmetal.x;
	metal->y = oldmetal.y;
	metal->z = oldmetal.z;
	P_SetThingPosition(metal);

	if (ziptic & GZT_EXTRA)
	{ // But wait, there's more!
		ziptic = READUINT8(metal_p);
		if (ziptic & EZT_FLIP)
			metal->eflags ^= MFE_VERTICALFLIP;
		if (ziptic & EZT_SCALE)
		{
			metal->destscale = READFIXED(metal_p);
			if (metal->destscale != metal->scale)
				P_SetScale(metal, metal->destscale);
		}
	}

	// Calculates player's speed based on distance-of-a-line formula
	speed = FixedDiv(P_AproxDistance(oldmetal.momx, oldmetal.momy), metal->scale)>>FRACBITS;

	// Use speed to decide an appropriate state
	if (speed > 28) // default skin runspeed
		statetype = 2;
	else if (speed > 1) // stopspeed
		statetype = 1;
	else
		statetype = 0;

	// Set state
	if (statetype != metal->threshold)
	{
		switch (statetype)
		{
		case 2: // run
			P_SetMobjState(metal,metal->info->meleestate);
			break;
		case 1: // walk
			P_SetMobjState(metal,metal->info->seestate);
			break;
		default: // stand
			P_SetMobjState(metal,metal->info->spawnstate);
			break;
		}
		metal->threshold = statetype;
	}

	// TODO: Modify state durations based on movement speed, similar to players?

	if (*metal_p == DEMOMARKER)
	{
		// end of demo data stream
		G_StopMetalDemo();
		return;
	}
}

void G_WriteMetalTic(mobj_t *metal)
{
	UINT8 ziptic = 0;
	UINT8 *ziptic_p;

	if (!demo_p) // demo_p will be NULL until the race start linedef executor is triggered!
		return;

	ziptic_p = demo_p++; // the ziptic, written at the end of this function

	#define MAXMOM (0xFFFF<<8)

	// GZT_XYZ is only useful if you've moved 256 FRACUNITS or more in a single tic.
	if (abs(metal->x-oldmetal.x) > MAXMOM
	|| abs(metal->y-oldmetal.y) > MAXMOM
	|| abs(metal->z-oldmetal.z) > MAXMOM)
	{
		oldmetal.x = metal->x;
		oldmetal.y = metal->y;
		oldmetal.z = metal->z;
		WRITEFIXED(demo_p,oldmetal.x);
		WRITEFIXED(demo_p,oldmetal.y);
		WRITEFIXED(demo_p,oldmetal.z);
		ziptic |= GZT_XYZ;
	}
	else
	{
		// For moving normally:
		// Store one full byte of movement, plus one byte of fractional movement.
		INT16 momx = (INT16)((metal->x-oldmetal.x)>>8);
		INT16 momy = (INT16)((metal->y-oldmetal.y)>>8);
		if (momx != oldmetal.momx
		|| momy != oldmetal.momy)
		{
			oldmetal.momx = momx;
			oldmetal.momy = momy;
			WRITEINT16(demo_p,momx);
			WRITEINT16(demo_p,momy);
			ziptic |= GZT_MOMXY;
		}
		momx = (INT16)((metal->z-oldmetal.z)>>8);
		if (momx != oldmetal.momz)
		{
			oldmetal.momz = momx;
			WRITEINT16(demo_p,momx);
			ziptic |= GZT_MOMZ;
		}

		// This SHOULD set oldmetal.x/y/z to match metal->x/y/z
		// but it keeps the fractional loss of one byte,
		// so it will hopefully be made up for in future tics.
		oldmetal.x += oldmetal.momx<<8;
		oldmetal.y += oldmetal.momy<<8;
		oldmetal.z += oldmetal.momz<<8;
	}

	#undef MAXMOM

	// Only store the 8 most relevant bits of angle
	// because exact values aren't too easy to discern to begin with when only 8 angles have different sprites
	// and it does not affect movement at all anyway.
	if (metal->player && metal->player->drawangle>>24 != oldmetal.angle)
	{
		oldmetal.angle = metal->player->drawangle>>24;
		ziptic |= GZT_ANGLE;
		WRITEUINT8(demo_p,oldmetal.angle);
	}

	// Metal Sonic does not need our state changes.
	// ... currently.

	{
		UINT8 *exttic_p = NULL;
		UINT8 exttic = 0;
		if ((metal->eflags & MFE_VERTICALFLIP) != (oldmetal.eflags & MFE_VERTICALFLIP))
		{
			if (!exttic_p)
				exttic_p = demo_p++;
			exttic |= EZT_FLIP;
			oldmetal.eflags ^= MFE_VERTICALFLIP;
		}
		if (metal->scale != oldmetal.scale)
		{
			if (!exttic_p)
				exttic_p = demo_p++;
			exttic |= EZT_SCALE;
			WRITEFIXED(demo_p,metal->scale);
			oldmetal.scale = metal->scale;
		}
		if (exttic_p)
		{
			*exttic_p = exttic;
			ziptic |= GZT_EXTRA;
		}
	}

	*ziptic_p = ziptic;

	// attention here for the ticcmd size!
	// latest demos with mouse aiming byte in ticcmd
	if (demo_p >= demoend - 32)
	{
		G_StopMetalRecording(); // no more space
		return;
	}
}

//
// G_RecordDemo
//
void G_RecordDemo(const char *name)
{
	INT32 maxsize;

	strcpy(demoname, name);
	strcat(demoname, ".lmp");
	maxsize = 1024*1024;
	if (M_CheckParm("-maxdemo") && M_IsNextParm())
		maxsize = atoi(M_GetNextParm()) * 1024;
//	if (demobuffer)
//		free(demobuffer);
	demo_p = NULL;
	demobuffer = malloc(maxsize);
	demoend = demobuffer + maxsize;

	demorecording = true;
}

void G_RecordMetal(void)
{
	INT32 maxsize;
	maxsize = 1024*1024;
	if (M_CheckParm("-maxdemo") && M_IsNextParm())
		maxsize = atoi(M_GetNextParm()) * 1024;
	demo_p = NULL;
	demobuffer = malloc(maxsize);
	demoend = demobuffer + maxsize;
	metalrecording = true;
}

void G_BeginRecording(void)
{
	UINT8 i;
	char name[16];
	player_t *player = &players[consoleplayer];

	if (demo_p)
		return;
	memset(name,0,sizeof(name));

	demo_p = demobuffer;
	demoflags = DF_GHOST|(modeattacking<<DF_ATTACKSHIFT);

	// Setup header.
	M_Memcpy(demo_p, DEMOHEADER, 12); demo_p += 12;
	WRITEUINT8(demo_p,VERSION);
	WRITEUINT8(demo_p,SUBVERSION);
	WRITEUINT16(demo_p,DEMOVERSION);

	// demo checksum
	demo_p += 16;

	// game data
	M_Memcpy(demo_p, "PLAY", 4); demo_p += 4;
	WRITEINT16(demo_p,gamemap);
	M_Memcpy(demo_p, mapmd5, 16); demo_p += 16;

	WRITEUINT8(demo_p,demoflags);
	switch ((demoflags & DF_ATTACKMASK)>>DF_ATTACKSHIFT)
	{
	case ATTACKING_NONE: // 0
		break;
	case ATTACKING_RECORD: // 1
		demotime_p = demo_p;
		WRITEUINT32(demo_p,UINT32_MAX); // time
		WRITEUINT32(demo_p,0); // score
		WRITEUINT16(demo_p,0); // rings
		break;
	case ATTACKING_NIGHTS: // 2
		demotime_p = demo_p;
		WRITEUINT32(demo_p,UINT32_MAX); // time
		WRITEUINT32(demo_p,0); // score
		break;
	default: // 3
		break;
	}

	WRITEUINT32(demo_p,P_GetInitSeed());

	// Name
	for (i = 0; i < 16 && cv_playername.string[i]; i++)
		name[i] = cv_playername.string[i];
	for (; i < 16; i++)
		name[i] = '\0';
	M_Memcpy(demo_p,name,16);
	demo_p += 16;

	// Skin
	for (i = 0; i < 16 && cv_skin.string[i]; i++)
		name[i] = cv_skin.string[i];
	for (; i < 16; i++)
		name[i] = '\0';
	M_Memcpy(demo_p,name,16);
	demo_p += 16;

	// Color
	for (i = 0; i < 16 && cv_playercolor.string[i]; i++)
		name[i] = cv_playercolor.string[i];
	for (; i < 16; i++)
		name[i] = '\0';
	M_Memcpy(demo_p,name,16);
	demo_p += 16;

	// Stats
	WRITEUINT8(demo_p,player->charability);
	WRITEUINT8(demo_p,player->charability2);
	WRITEUINT8(demo_p,player->actionspd>>FRACBITS);
	WRITEUINT8(demo_p,player->mindash>>FRACBITS);
	WRITEUINT8(demo_p,player->maxdash>>FRACBITS);
	WRITEUINT8(demo_p,player->normalspeed>>FRACBITS);
	WRITEUINT8(demo_p,player->runspeed>>FRACBITS);
	WRITEUINT8(demo_p,player->thrustfactor);
	WRITEUINT8(demo_p,player->accelstart);
	WRITEUINT8(demo_p,player->acceleration);
	WRITEUINT8(demo_p,player->height>>FRACBITS);
	WRITEUINT8(demo_p,player->spinheight>>FRACBITS);
	WRITEUINT8(demo_p,player->camerascale>>FRACBITS);
	WRITEUINT8(demo_p,player->shieldscale>>FRACBITS);

	// Trying to convert it back to % causes demo desync due to precision loss.
	// Don't do it.
	WRITEFIXED(demo_p, player->jumpfactor);

	// And mobjtype_t is best with UINT32 too...
	WRITEUINT32(demo_p, player->followitem);

	// Save pflag data
	{
		UINT8 buf = 0;
		if (player->pflags & PF_FLIPCAM)
			buf |= 0x01;
		if (player->pflags & PF_ANALOGMODE)
			buf |= 0x02;
		if (player->pflags & PF_DIRECTIONCHAR)
			buf |= 0x04;
		if (player->pflags & PF_AUTOBRAKE)
			buf |= 0x08;
		if (cv_usejoystick.value)
			buf |= 0x10;
		CV_SetValue(&cv_showinputjoy, !!(cv_usejoystick.value));

		WRITEUINT8(demo_p,buf);
	}

	// Save netvar data
	CV_SaveNetVars(&demo_p);

	memset(&oldcmd,0,sizeof(oldcmd));
	memset(&oldghost,0,sizeof(oldghost));
	memset(&ghostext,0,sizeof(ghostext));
	ghostext.lastcolor = ghostext.color = GHC_NORMAL;
	ghostext.lastscale = ghostext.scale = FRACUNIT;

	if (player->mo)
	{
		oldghost.x = player->mo->x;
		oldghost.y = player->mo->y;
		oldghost.z = player->mo->z;
		oldghost.angle = player->mo->angle>>24;

		// preticker started us gravity flipped
		if (player->mo->eflags & MFE_VERTICALFLIP)
			ghostext.flags |= EZT_FLIP;
	}
}

void G_BeginMetal(void)
{
	mobj_t *mo = players[consoleplayer].mo;

	if (demo_p)
		return;

	demo_p = demobuffer;

	// Write header.
	M_Memcpy(demo_p, DEMOHEADER, 12); demo_p += 12;
	WRITEUINT8(demo_p,VERSION);
	WRITEUINT8(demo_p,SUBVERSION);
	WRITEUINT16(demo_p,DEMOVERSION);

	// demo checksum
	demo_p += 16;

	M_Memcpy(demo_p, "METL", 4); demo_p += 4;

	// Set up our memory.
	memset(&oldmetal,0,sizeof(oldmetal));
	oldmetal.x = mo->x;
	oldmetal.y = mo->y;
	oldmetal.z = mo->z;
	oldmetal.angle = mo->angle>>24;
}

void G_SetDemoTime(UINT32 ptime, UINT32 pscore, UINT16 prings)
{
	if (!demorecording || !demotime_p)
		return;
	if (demoflags & DF_RECORDATTACK)
	{
		WRITEUINT32(demotime_p, ptime);
		WRITEUINT32(demotime_p, pscore);
		WRITEUINT16(demotime_p, prings);
		demotime_p = NULL;
	}
	else if (demoflags & DF_NIGHTSATTACK)
	{
		WRITEUINT32(demotime_p, ptime);
		WRITEUINT32(demotime_p, pscore);
		demotime_p = NULL;
	}
}

// Returns bitfield:
// 1 == new demo has lower time
// 2 == new demo has higher score
// 4 == new demo has higher rings
UINT8 G_CmpDemoTime(char *oldname, char *newname)
{
	UINT8 *buffer,*p;
	UINT8 flags;
	UINT32 oldtime, newtime, oldscore, newscore;
	UINT16 oldrings, newrings, oldversion;
	size_t bufsize ATTRUNUSED;
	UINT8 c;
	UINT16 s ATTRUNUSED;
	UINT8 aflags = 0;

	// load the new file
	FIL_DefaultExtension(newname, ".lmp");
	bufsize = FIL_ReadFile(newname, &buffer);
	I_Assert(bufsize != 0);
	p = buffer;

	// read demo header
	I_Assert(!memcmp(p, DEMOHEADER, 12));
	p += 12; // DEMOHEADER
	c = READUINT8(p); // VERSION
	I_Assert(c == VERSION);
	c = READUINT8(p); // SUBVERSION
	I_Assert(c == SUBVERSION);
	s = READUINT16(p);
	I_Assert(s == DEMOVERSION);
	p += 16; // demo checksum
	I_Assert(!memcmp(p, "PLAY", 4));
	p += 4; // PLAY
	p += 2; // gamemap
	p += 16; // map md5
	flags = READUINT8(p); // demoflags

	aflags = flags & (DF_RECORDATTACK|DF_NIGHTSATTACK);
	I_Assert(aflags);
	if (flags & DF_RECORDATTACK)
	{
		newtime = READUINT32(p);
		newscore = READUINT32(p);
		newrings = READUINT16(p);
	}
	else if (flags & DF_NIGHTSATTACK)
	{
		newtime = READUINT32(p);
		newscore = READUINT32(p);
		newrings = 0;
	}
	else // appease compiler
		return 0;

	Z_Free(buffer);

	// load old file
	FIL_DefaultExtension(oldname, ".lmp");
	if (!FIL_ReadFile(oldname, &buffer))
	{
		CONS_Alert(CONS_ERROR, M_GetText("Failed to read file '%s'.\n"), oldname);
		return UINT8_MAX;
	}
	p = buffer;

	// read demo header
	if (memcmp(p, DEMOHEADER, 12))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("File '%s' invalid format. It will be overwritten.\n"), oldname);
		Z_Free(buffer);
		return UINT8_MAX;
	} p += 12; // DEMOHEADER
	p++; // VERSION
	p++; // SUBVERSION
	oldversion = READUINT16(p);
	switch(oldversion) // demoversion
	{
	case DEMOVERSION: // latest always supported
		break;
	// too old, cannot support.
	default:
		CONS_Alert(CONS_NOTICE, M_GetText("File '%s' invalid format. It will be overwritten.\n"), oldname);
		Z_Free(buffer);
		return UINT8_MAX;
	}
	p += 16; // demo checksum
	if (memcmp(p, "PLAY", 4))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("File '%s' invalid format. It will be overwritten.\n"), oldname);
		Z_Free(buffer);
		return UINT8_MAX;
	} p += 4; // "PLAY"
	if (oldversion <= 0x0008)
		p++; // gamemap
	else
		p += 2; // gamemap
	p += 16; // mapmd5
	flags = READUINT8(p);
	if (!(flags & aflags))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("File '%s' not from same game mode. It will be overwritten.\n"), oldname);
		Z_Free(buffer);
		return UINT8_MAX;
	}
	if (flags & DF_RECORDATTACK)
	{
		oldtime = READUINT32(p);
		oldscore = READUINT32(p);
		oldrings = READUINT16(p);
	}
	else if (flags & DF_NIGHTSATTACK)
	{
		oldtime = READUINT32(p);
		oldscore = READUINT32(p);
		oldrings = 0;
	}
	else // appease compiler
		return UINT8_MAX;

	Z_Free(buffer);

	c = 0;
	if (newtime < oldtime
	|| (newtime == oldtime && (newscore > oldscore || newrings > oldrings)))
		c |= 1; // Better time
	if (newscore > oldscore
	|| (newscore == oldscore && newtime < oldtime))
		c |= 1<<1; // Better score
	if (newrings > oldrings
	|| (newrings == oldrings && newtime < oldtime))
		c |= 1<<2; // Better rings
	return c;
}

//
// G_PlayDemo
//
void G_DeferedPlayDemo(const char *name)
{
	COM_BufAddText("playdemo \"");
	COM_BufAddText(name);
	COM_BufAddText("\"\n");
}

//
// Start a demo from a .LMP file or from a wad resource
//
void G_DoPlayDemo(char *defdemoname)
{
	UINT8 i;
	lumpnum_t l;
	char skin[17],color[17],*n,*pdemoname;
	UINT8 version,subversion,charability,charability2,thrustfactor,accelstart,acceleration;
	pflags_t pflags;
	UINT32 randseed, followitem;
	fixed_t camerascale,shieldscale,actionspd,mindash,maxdash,normalspeed,runspeed,jumpfactor,height,spinheight;
	char msg[1024];

	skin[16] = '\0';
	color[16] = '\0';

	n = defdemoname+strlen(defdemoname);
	while (*n != '/' && *n != '\\' && n != defdemoname)
		n--;
	if (n != defdemoname)
		n++;
	pdemoname = ZZ_Alloc(strlen(n)+1);
	strcpy(pdemoname,n);

	// Internal if no extension, external if one exists
	if (FIL_CheckExtension(defdemoname))
	{
		//FIL_DefaultExtension(defdemoname, ".lmp");
		if (!FIL_ReadFile(defdemoname, &demobuffer))
		{
			snprintf(msg, 1024, M_GetText("Failed to read file '%s'.\n"), defdemoname);
			CONS_Alert(CONS_ERROR, "%s", msg);
			gameaction = ga_nothing;
			M_StartMessage(msg, NULL, MM_NOTHING);
			return;
		}
		demo_p = demobuffer;
	}
	// load demo resource from WAD
	else if ((l = W_CheckNumForName(defdemoname)) == LUMPERROR)
	{
		snprintf(msg, 1024, M_GetText("Failed to read lump '%s'.\n"), defdemoname);
		CONS_Alert(CONS_ERROR, "%s", msg);
		gameaction = ga_nothing;
		M_StartMessage(msg, NULL, MM_NOTHING);
		return;
	}
	else // it's an internal demo
		demobuffer = demo_p = W_CacheLumpNum(l, PU_STATIC);

	// read demo header
	gameaction = ga_nothing;
	demoplayback = true;
	if (memcmp(demo_p, DEMOHEADER, 12))
	{
		snprintf(msg, 1024, M_GetText("%s is not a SRB2 replay file.\n"), pdemoname);
		CONS_Alert(CONS_ERROR, "%s", msg);
		M_StartMessage(msg, NULL, MM_NOTHING);
		Z_Free(pdemoname);
		Z_Free(demobuffer);
		demoplayback = false;
		titledemo = false;
		return;
	}
	demo_p += 12; // DEMOHEADER

	version = READUINT8(demo_p);
	subversion = READUINT8(demo_p);
	demoversion = READUINT16(demo_p);
	switch(demoversion)
	{
	case DEMOVERSION: // latest always supported
		break;
	// too old, cannot support.
	default:
		snprintf(msg, 1024, M_GetText("%s is an incompatible replay format and cannot be played.\n"), pdemoname);
		CONS_Alert(CONS_ERROR, "%s", msg);
		M_StartMessage(msg, NULL, MM_NOTHING);
		Z_Free(pdemoname);
		Z_Free(demobuffer);
		demoplayback = false;
		titledemo = false;
		return;
	}
	demo_p += 16; // demo checksum
	if (memcmp(demo_p, "PLAY", 4))
	{
		snprintf(msg, 1024, M_GetText("%s is the wrong type of recording and cannot be played.\n"), pdemoname);
		CONS_Alert(CONS_ERROR, "%s", msg);
		M_StartMessage(msg, NULL, MM_NOTHING);
		Z_Free(pdemoname);
		Z_Free(demobuffer);
		demoplayback = false;
		titledemo = false;
		return;
	}
	demo_p += 4; // "PLAY"
	gamemap = READINT16(demo_p);
	demo_p += 16; // mapmd5

	demoflags = READUINT8(demo_p);
	modeattacking = (demoflags & DF_ATTACKMASK)>>DF_ATTACKSHIFT;
	CON_ToggleOff();

	hu_demoscore = 0;
	hu_demotime = UINT32_MAX;
	hu_demorings = 0;

	switch (modeattacking)
	{
	case ATTACKING_NONE: // 0
		break;
	case ATTACKING_RECORD: // 1
		hu_demotime  = READUINT32(demo_p);
		hu_demoscore = READUINT32(demo_p);
		hu_demorings = READUINT16(demo_p);
		break;
	case ATTACKING_NIGHTS: // 2
		hu_demotime  = READUINT32(demo_p);
		hu_demoscore = READUINT32(demo_p);
		break;
	default: // 3
		modeattacking = ATTACKING_NONE;
		break;
	}

	// Random seed
	randseed = READUINT32(demo_p);

	// Player name
	M_Memcpy(player_names[0],demo_p,16);
	demo_p += 16;

	// Skin
	M_Memcpy(skin,demo_p,16);
	demo_p += 16;

	// Color
	M_Memcpy(color,demo_p,16);
	demo_p += 16;

	charability = READUINT8(demo_p);
	charability2 = READUINT8(demo_p);
	actionspd = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	mindash = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	maxdash = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	normalspeed = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	runspeed = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	thrustfactor = READUINT8(demo_p);
	accelstart = READUINT8(demo_p);
	acceleration = READUINT8(demo_p);
	height = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	spinheight = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	camerascale = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	shieldscale = (fixed_t)READUINT8(demo_p)<<FRACBITS;
	jumpfactor = READFIXED(demo_p);
	followitem = READUINT32(demo_p);

	// pflag data
	{
		UINT8 buf = READUINT8(demo_p);
		pflags = 0;
		if (buf & 0x01)
			pflags |= PF_FLIPCAM;
		if (buf & 0x02)
			pflags |= PF_ANALOGMODE;
		if (buf & 0x04)
			pflags |= PF_DIRECTIONCHAR;
		if (buf & 0x08)
			pflags |= PF_AUTOBRAKE;
		CV_SetValue(&cv_showinputjoy, !!(buf & 0x10));
	}

	// net var data
	CV_LoadNetVars(&demo_p);

	// Sigh ... it's an empty demo.
	if (*demo_p == DEMOMARKER)
	{
		snprintf(msg, 1024, M_GetText("%s contains no data to be played.\n"), pdemoname);
		CONS_Alert(CONS_ERROR, "%s", msg);
		M_StartMessage(msg, NULL, MM_NOTHING);
		Z_Free(pdemoname);
		Z_Free(demobuffer);
		demoplayback = false;
		titledemo = false;
		return;
	}

	Z_Free(pdemoname);

	memset(&oldcmd,0,sizeof(oldcmd));
	memset(&oldghost,0,sizeof(oldghost));

	if (VERSION != version || SUBVERSION != subversion)
		CONS_Alert(CONS_WARNING, M_GetText("Demo version does not match game version. Desyncs may occur.\n"));

	// didn't start recording right away.
	demo_start = false;

	// Set skin
	SetPlayerSkin(0, skin);

#ifdef HAVE_BLUA
	LUAh_MapChange(gamemap);
#endif
	displayplayer = consoleplayer = 0;
	memset(playeringame,0,sizeof(playeringame));
	playeringame[0] = true;
	P_SetRandSeed(randseed);
	G_InitNew(false, G_BuildMapName(gamemap), true, true, false);

	// Set color
	for (i = 0; i < MAXSKINCOLORS; i++)
		if (!stricmp(Color_Names[i],color))
		{
			players[0].skincolor = i;
			break;
		}
	CV_StealthSetValue(&cv_playercolor, players[0].skincolor);
	if (players[0].mo)
	{
		players[0].mo->color = players[0].skincolor;
		oldghost.x = players[0].mo->x;
		oldghost.y = players[0].mo->y;
		oldghost.z = players[0].mo->z;
	}

	// Set saved attribute values
	// No cheat checking here, because even if they ARE wrong...
	// it would only break the replay if we clipped them.
	players[0].camerascale = camerascale;
	players[0].shieldscale = shieldscale;
	players[0].charability = charability;
	players[0].charability2 = charability2;
	players[0].actionspd = actionspd;
	players[0].mindash = mindash;
	players[0].maxdash = maxdash;
	players[0].normalspeed = normalspeed;
	players[0].runspeed = runspeed;
	players[0].thrustfactor = thrustfactor;
	players[0].accelstart = accelstart;
	players[0].acceleration = acceleration;
	players[0].height = height;
	players[0].spinheight = spinheight;
	players[0].jumpfactor = jumpfactor;
	players[0].followitem = followitem;
	players[0].pflags = pflags;

	demo_start = true;
}

void G_AddGhost(char *defdemoname)
{
	INT32 i;
	lumpnum_t l;
	char name[17],skin[17],color[17],*n,*pdemoname,md5[16];
	demoghost *gh;
	UINT8 flags;
	UINT8 *buffer,*p;
	mapthing_t *mthing;
	UINT16 count, ghostversion;

	name[16] = '\0';
	skin[16] = '\0';
	color[16] = '\0';

	n = defdemoname+strlen(defdemoname);
	while (*n != '/' && *n != '\\' && n != defdemoname)
		n--;
	if (n != defdemoname)
		n++;
	pdemoname = ZZ_Alloc(strlen(n)+1);
	strcpy(pdemoname,n);

	// Internal if no extension, external if one exists
	if (FIL_CheckExtension(defdemoname))
	{
		//FIL_DefaultExtension(defdemoname, ".lmp");
		if (!FIL_ReadFileTag(defdemoname, &buffer, PU_LEVEL))
		{
			CONS_Alert(CONS_ERROR, M_GetText("Failed to read file '%s'.\n"), defdemoname);
			Z_Free(pdemoname);
			return;
		}
		p = buffer;
	}
	// load demo resource from WAD
	else if ((l = W_CheckNumForName(defdemoname)) == LUMPERROR)
	{
		CONS_Alert(CONS_ERROR, M_GetText("Failed to read lump '%s'.\n"), defdemoname);
		Z_Free(pdemoname);
		return;
	}
	else // it's an internal demo
		buffer = p = W_CacheLumpNum(l, PU_LEVEL);

	// read demo header
	if (memcmp(p, DEMOHEADER, 12))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("Ghost %s: Not a SRB2 replay.\n"), pdemoname);
		Z_Free(pdemoname);
		Z_Free(buffer);
		return;
	} p += 12; // DEMOHEADER
	p++; // VERSION
	p++; // SUBVERSION
	ghostversion = READUINT16(p);
	switch(ghostversion)
	{
	case DEMOVERSION: // latest always supported
		break;
	// too old, cannot support.
	default:
		CONS_Alert(CONS_NOTICE, M_GetText("Ghost %s: Demo version incompatible.\n"), pdemoname);
		Z_Free(pdemoname);
		Z_Free(buffer);
		return;
	}
	M_Memcpy(md5, p, 16); p += 16; // demo checksum
	for (gh = ghosts; gh; gh = gh->next)
		if (!memcmp(md5, gh->checksum, 16)) // another ghost in the game already has this checksum?
		{ // Don't add another one, then!
			CONS_Debug(DBG_SETUP, "Rejecting duplicate ghost %s (MD5 was matched)\n", pdemoname);
			Z_Free(pdemoname);
			Z_Free(buffer);
			return;
		}
	if (memcmp(p, "PLAY", 4))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("Ghost %s: Demo format unacceptable.\n"), pdemoname);
		Z_Free(pdemoname);
		Z_Free(buffer);
		return;
	} p += 4; // "PLAY"
	if (ghostversion <= 0x0008)
		p++; // gamemap
	else
		p += 2; // gamemap
	p += 16; // mapmd5 (possibly check for consistency?)
	flags = READUINT8(p);
	if (!(flags & DF_GHOST))
	{
		CONS_Alert(CONS_NOTICE, M_GetText("Ghost %s: No ghost data in this demo.\n"), pdemoname);
		Z_Free(pdemoname);
		Z_Free(buffer);
		return;
	}
	switch ((flags & DF_ATTACKMASK)>>DF_ATTACKSHIFT)
	{
	case ATTACKING_NONE: // 0
		break;
	case ATTACKING_RECORD: // 1
		p += 10; // demo time, score, and rings
		break;
	case ATTACKING_NIGHTS: // 2
		p += 8; // demo time left, score
		break;
	default: // 3
		break;
	}

	p += 4; // random seed

	// Player name (TODO: Display this somehow if it doesn't match cv_playername!)
	M_Memcpy(name, p,16);
	p += 16;

	// Skin
	M_Memcpy(skin, p,16);
	p += 16;

	// Color
	M_Memcpy(color, p,16);
	p += 16;

	// Ghosts do not have a player structure to put this in.
	p++; // charability
	p++; // charability2
	p++; // actionspd
	p++; // mindash
	p++; // maxdash
	p++; // normalspeed
	p++; // runspeed
	p++; // thrustfactor
	p++; // accelstart
	p++; // acceleration
	p++; // height
	p++; // spinheight
	p++; // camerascale
	p++; // shieldscale
	p += 4; // jumpfactor
	p += 4; // followitem

	p++; // pflag data

	// net var data
	count = READUINT16(p);
	while (count--)
	{
		p += 2;
		SKIPSTRING(p);
		p++;
	}

	if (*p == DEMOMARKER)
	{
		CONS_Alert(CONS_NOTICE, M_GetText("Failed to add ghost %s: Replay is empty.\n"), pdemoname);
		Z_Free(pdemoname);
		Z_Free(buffer);
		return;
	}

	gh = Z_Calloc(sizeof(demoghost), PU_LEVEL, NULL);
	gh->next = ghosts;
	gh->buffer = buffer;
	M_Memcpy(gh->checksum, md5, 16);
	gh->p = p;

	ghosts = gh;

	gh->version = ghostversion;
	mthing = playerstarts[0];
	I_Assert(mthing);
	{ // A bit more complex than P_SpawnPlayer because ghosts aren't solid and won't just push themselves out of the ceiling.
		fixed_t z,f,c;
		gh->mo = P_SpawnMobj(mthing->x << FRACBITS, mthing->y << FRACBITS, 0, MT_GHOST);
		gh->mo->angle = FixedAngle(mthing->angle*FRACUNIT);
		f = gh->mo->floorz;
		c = gh->mo->ceilingz - mobjinfo[MT_PLAYER].height;
		if (!!(mthing->options & MTF_AMBUSH) ^ !!(mthing->options & MTF_OBJECTFLIP))
		{
			z = c;
			if (mthing->options >> ZSHIFT)
				z -= ((mthing->options >> ZSHIFT) << FRACBITS);
			if (z < f)
				z = f;
		}
		else
		{
			z = f;
			if (mthing->options >> ZSHIFT)
				z += ((mthing->options >> ZSHIFT) << FRACBITS);
			if (z > c)
				z = c;
		}
		gh->mo->z = z;
	}

	gh->oldmo.x = gh->mo->x;
	gh->oldmo.y = gh->mo->y;
	gh->oldmo.z = gh->mo->z;

	// Set skin
	gh->mo->skin = &skins[0];
	for (i = 0; i < numskins; i++)
		if (!stricmp(skins[i].name,skin))
		{
			gh->mo->skin = &skins[i];
			break;
		}
	gh->oldmo.skin = gh->mo->skin;

	// Set color
	gh->mo->color = ((skin_t*)gh->mo->skin)->prefcolor;
	for (i = 0; i < MAXSKINCOLORS; i++)
		if (!stricmp(Color_Names[i],color))
		{
			gh->mo->color = (UINT8)i;
			break;
		}
	gh->oldmo.color = gh->mo->color;

	gh->mo->state = states+S_PLAY_STND;
	gh->mo->sprite = gh->mo->state->sprite;
	gh->mo->sprite2 = (gh->mo->state->frame & FF_FRAMEMASK);
	gh->mo->frame = tr_trans20<<FF_TRANSSHIFT;
	gh->mo->tics = -1;

	CONS_Printf(M_GetText("Added ghost %s from %s\n"), name, pdemoname);
	Z_Free(pdemoname);
}

//
// G_TimeDemo
// NOTE: name is a full filename for external demos
//
static INT32 restorecv_vidwait;

void G_TimeDemo(const char *name)
{
	nodrawers = M_CheckParm("-nodraw");
	noblit = M_CheckParm("-noblit");
	restorecv_vidwait = cv_vidwait.value;
	if (cv_vidwait.value)
		CV_Set(&cv_vidwait, "0");
	timingdemo = true;
	singletics = true;
	framecount = 0;
	demostarttime = I_GetTime();
	G_DeferedPlayDemo(name);
}

void G_DoPlayMetal(void)
{
	lumpnum_t l;
	mobj_t *mo = NULL;
	thinker_t *th;

	// it's an internal demo
	if ((l = W_CheckNumForName(va("%sMS",G_BuildMapName(gamemap)))) == LUMPERROR)
	{
		CONS_Alert(CONS_WARNING, M_GetText("No bot recording for this map.\n"));
		return;
	}
	else
		metalbuffer = metal_p = W_CacheLumpNum(l, PU_STATIC);

	// find metal sonic
	for (th = thlist[THINK_MOBJ].next; th != &thlist[THINK_MOBJ]; th = th->next)
	{
		if (th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed)
			continue;

		mo = (mobj_t *)th;
		if (mo->type != MT_METALSONIC_RACE)
			continue;

		break;
	}
	if (th == &thlist[THINK_MOBJ])
	{
		CONS_Alert(CONS_ERROR, M_GetText("Failed to find bot entity.\n"));
		Z_Free(metalbuffer);
		return;
	}

	// read demo header
    metal_p += 12; // DEMOHEADER
	metal_p++; // VERSION
	metal_p++; // SUBVERSION
	metalversion = READUINT16(metal_p);
	switch(metalversion)
	{
	case DEMOVERSION: // latest always supported
		break;
	// too old, cannot support.
	default:
		CONS_Alert(CONS_WARNING, M_GetText("Failed to load bot recording for this map, format version incompatible.\n"));
		Z_Free(metalbuffer);
		return;
	}
	metal_p += 16; // demo checksum
	if (memcmp(metal_p, "METL", 4))
	{
		CONS_Alert(CONS_WARNING, M_GetText("Failed to load bot recording for this map, wasn't recorded in Metal format.\n"));
		Z_Free(metalbuffer);
		return;
	} metal_p += 4; // "METL"

	// read initial tic
	memset(&oldmetal,0,sizeof(oldmetal));
	oldmetal.x = mo->x;
	oldmetal.y = mo->y;
	oldmetal.z = mo->z;
	metalplayback = mo;
}

void G_DoneLevelLoad(void)
{
	CONS_Printf(M_GetText("Loaded level in %f sec\n"), (double)(I_GetTime() - demostarttime) / TICRATE);
	framecount = 0;
	demostarttime = I_GetTime();
}

/*
===================
=
= G_CheckDemoStatus
=
= Called after a death or level completion to allow demos to be cleaned up
= Returns true if a new demo loop action will take place
===================
*/

// Stops metal sonic's demo. Separate from other functions because metal + replays can coexist
void G_StopMetalDemo(void)
{

	// Metal Sonic finishing doesn't end the game, dammit.
	Z_Free(metalbuffer);
	metalbuffer = NULL;
	metalplayback = NULL;
	metal_p = NULL;
}

// Stops metal sonic recording.
ATTRNORETURN void FUNCNORETURN G_StopMetalRecording(void)
{
	boolean saved = false;
	if (demo_p)
	{
		UINT8 *p = demobuffer+16; // checksum position
#ifdef NOMD5
		UINT8 i;
		WRITEUINT8(demo_p, DEMOMARKER); // add the demo end marker
		for (i = 0; i < 16; i++, p++)
			*p = P_RandomByte(); // This MD5 was chosen by fair dice roll and most likely < 50% correct.
#else
		WRITEUINT8(demo_p, DEMOMARKER); // add the demo end marker
		md5_buffer((char *)p+16, demo_p - (p+16), (void *)p); // make a checksum of everything after the checksum in the file.
#endif
		saved = FIL_WriteFile(va("%sMS.LMP", G_BuildMapName(gamemap)), demobuffer, demo_p - demobuffer); // finally output the file.
	}
	free(demobuffer);
	metalrecording = false;
	if (saved)
		I_Error("Saved to %sMS.LMP", G_BuildMapName(gamemap));
	I_Error("Failed to save demo!");
}

// reset engine variable set for the demos
// called from stopdemo command, map command, and g_checkdemoStatus.
void G_StopDemo(void)
{
	Z_Free(demobuffer);
	demobuffer = NULL;
	demoplayback = false;
	titledemo = false;
	timingdemo = false;
	singletics = false;

	if (gamestate == GS_INTERMISSION)
		Y_EndIntermission(); // cleanup

	G_SetGamestate(GS_NULL);
	wipegamestate = GS_NULL;
	SV_StopServer();
	SV_ResetServer();
}

boolean G_CheckDemoStatus(void)
{
	boolean saved;

	while (ghosts)
	{
		demoghost *next = ghosts->next;
		Z_Free(ghosts);
		ghosts = next;
	}
	ghosts = NULL;


	// DO NOT end metal sonic demos here

	if (timingdemo)
	{
		INT32 demotime;
		double f1, f2;
		demotime = I_GetTime() - demostarttime;
		if (!demotime)
			return true;
		G_StopDemo();
		timingdemo = false;
		f1 = (double)demotime;
		f2 = (double)framecount*TICRATE;
		CONS_Printf(M_GetText("timed %u gametics in %d realtics\n%f seconds, %f avg fps\n"), leveltime,demotime,f1/TICRATE,f2/f1);
		if (restorecv_vidwait != cv_vidwait.value)
			CV_SetValue(&cv_vidwait, restorecv_vidwait);
		D_AdvanceDemo();
		return true;
	}

	if (demoplayback)
	{
		if (singledemo)
			I_Quit();
		G_StopDemo();

		if (modeattacking)
			M_EndModeAttackRun();
		else
			D_AdvanceDemo();

		return true;
	}

	if (demorecording)
	{
		UINT8 *p = demobuffer+16; // checksum position
#ifdef NOMD5
		UINT8 i;
		WRITEUINT8(demo_p, DEMOMARKER); // add the demo end marker
		for (i = 0; i < 16; i++, p++)
			*p = P_RandomByte(); // This MD5 was chosen by fair dice roll and most likely < 50% correct.
#else
		WRITEUINT8(demo_p, DEMOMARKER); // add the demo end marker
		md5_buffer((char *)p+16, demo_p - (p+16), p); // make a checksum of everything after the checksum in the file.
#endif
		saved = FIL_WriteFile(va(pandf, srb2home, demoname), demobuffer, demo_p - demobuffer); // finally output the file.
		free(demobuffer);
		demorecording = false;

		if (modeattacking != ATTACKING_RECORD)
		{
			if (saved)
				CONS_Printf(M_GetText("Demo %s recorded\n"), demoname);
			else
				CONS_Alert(CONS_WARNING, M_GetText("Demo %s not saved\n"), demoname);
		}
		return true;
	}

	return false;
}

//
// G_SetGamestate
//
// Use this to set the gamestate, please.
//
void G_SetGamestate(gamestate_t newstate)
{
	gamestate = newstate;
}

/* These functions handle the exitgame flag. Before, when the user
   chose to end a game, it happened immediately, which could cause
   crashes if the game was in the middle of something. Now, a flag
   is set, and the game can then be stopped when it's safe to do
   so.
*/

// Used as a callback function.
void G_SetExitGameFlag(void)
{
	exitgame = true;
}

void G_ClearExitGameFlag(void)
{
	exitgame = false;
}

boolean G_GetExitGameFlag(void)
{
	return exitgame;
}

// Same deal with retrying.
void G_SetRetryFlag(void)
{
	retrying = true;
}

void G_ClearRetryFlag(void)
{
	retrying = false;
}

boolean G_GetRetryFlag(void)
{
	return retrying;
}

// Time utility functions
INT32 G_TicsToHours(tic_t tics)
{
	return tics/(3600*TICRATE);
}

INT32 G_TicsToMinutes(tic_t tics, boolean full)
{
	if (full)
		return tics/(60*TICRATE);
	else
		return tics/(60*TICRATE)%60;
}

INT32 G_TicsToSeconds(tic_t tics)
{
	return (tics/TICRATE)%60;
}

INT32 G_TicsToCentiseconds(tic_t tics)
{
	return (INT32)((tics%TICRATE) * (100.00f/TICRATE));
}

INT32 G_TicsToMilliseconds(tic_t tics)
{
	return (INT32)((tics%TICRATE) * (1000.00f/TICRATE));
}