raze/source/sw/src/game.cpp

//-------------------------------------------------------------------------
/*
Copyright (C) 1997, 2005 - 3D Realms Entertainment

This file is part of Shadow Warrior version 1.2

Shadow Warrior is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

Original Source: 1997 - Frank Maddin and Jim Norwood
Prepared for public release: 03/28/2005 - Charlie Wiederhold, 3D Realms
*/
//-------------------------------------------------------------------------

#include "ns.h"

#define MAIN
#define QUIET
#include "build.h"
#include "baselayer.h"

#include "baselayer.h"

#include "names2.h"
#include "panel.h"
#include "game.h"
#include "interp.h"
#include "interpso.h"
#include "tags.h"
#include "sector.h"
#include "sprite.h"
#include "weapon.h"
#include "player.h"
#include "lists.h"
#include "network.h"
#include "pal.h"


#include "mytypes.h"

#include "menus.h"

#include "gamecontrol.h"

#include "misc.h"

#include "misc.h"
#include "break.h"
#include "ninja.h"
#include "light.h"
#include "misc.h"
#include "jsector.h"

#include "common.h"
#include "gameconfigfile.h"
#include "printf.h"
#include "m_argv.h"
#include "debugbreak.h"
#include "menu.h"
#include "raze_music.h"
#include "statistics.h"
#include "gstrings.h"
#include "mapinfo.h"
#include "v_video.h"
#include "raze_sound.h"
#include "secrets.h"

#include "osdcmds.h"
#include "screenjob.h"
#include "inputstate.h"
#include "gamestate.h"

//#include "crc32.h"

CVAR(Bool, sw_ninjahack, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);
CVAR(Bool, sw_darts, false, CVAR_ARCHIVE | CVAR_GLOBALCONFIG);

BEGIN_SW_NS

void pClearSpriteList(PLAYERp pp);
extern SWBOOL mapcheat;

extern int sw_snd_scratch;

char DemoName[15][16];

int GameVersion = 20;

char DemoText[3][64];
int DemoTextYstart = 0;

int Follow_posx=0,Follow_posy=0;

SWBOOL NoMeters = FALSE;
SWBOOL GraphicsMode = FALSE;
char PlayerNameArg[32] = "";
SWBOOL CleanExit = FALSE;
SWBOOL FinishAnim = 0;
SWBOOL ShortGameMode = FALSE;
SWBOOL ReloadPrompt = FALSE;
SWBOOL NewGame = TRUE;
SWBOOL InMenuLevel = FALSE;
SWBOOL LoadGameOutsideMoveLoop = FALSE;
SWBOOL LoadGameFromDemo = FALSE;
extern SWBOOL NetBroadcastMode, NetModeOverride;
//Miscellaneous variables
char MessageInputString[256];
char MessageOutputString[256];
SWBOOL ConInputMode = FALSE;
SWBOOL FinishedLevel = FALSE;
SWBOOL PanelUpdateMode = TRUE;
short HelpPage = 0;
short HelpPagePic[] = { 5115, 5116, 5117 };
SWBOOL InputMode = FALSE;
SWBOOL MessageInput = FALSE;
short screenpeek = 0;
SWBOOL NoDemoStartup = FALSE;
SWBOOL FirstTimeIntoGame;

SWBOOL PedanticMode;

SWBOOL LocationInfo = 0;
void drawoverheadmap(int cposx, int cposy, int czoom, short cang);
int DispFrameRate = FALSE;
int DispMono = TRUE;
int Fog = FALSE;
int FogColor;
SWBOOL PreCaching = TRUE;
int GodMode = FALSE;
SWBOOL BotMode = FALSE;
short Skill = 2;
short BetaVersion = 900;
short TotalKillable;

SWBOOL HasAutoColor = FALSE;
uint8_t AutoColor;

const GAME_SET gs_defaults =
{
// Network game settings
    0, // GameType
    0, // Monsters
    FALSE, // HurtTeammate
    TRUE, // SpawnMarkers Markers
    FALSE, // TeamPlay
    0, // Kill Limit
    0, // Time Limit
    0, // Color
    TRUE, // nuke
};
GAME_SET gs;

SWBOOL PlayerTrackingMode = FALSE;
SWBOOL SlowMode = FALSE;
SWBOOL FrameAdvanceTics = 3;
SWBOOL ScrollMode2D = FALSE;

SWBOOL DebugSO = FALSE;
SWBOOL DebugPanel = FALSE;
SWBOOL DebugSector = FALSE;
SWBOOL DebugActor = FALSE;
SWBOOL DebugAnim = FALSE;
SWBOOL DebugOperate = FALSE;
SWBOOL DebugActorFreeze = FALSE;
void LoadingLevelScreen(void);

uint8_t FakeMultiNumPlayers;

int totalsynctics;

MapRecord* NextLevel = nullptr;
SWBOOL ExitLevel = FALSE;
int OrigCommPlayers=0;
extern uint8_t CommPlayers;
extern SWBOOL CommEnabled;
extern int bufferjitter;

SWBOOL CameraTestMode = FALSE;

char ds[645];                           // debug string

extern short NormalVisibility;

extern int quotebot, quotebotgoal;     // Multiplayer typing buffer
char recbuf[80];                        // Used as a temp buffer to hold typing text

#define ACT_STATUE 0

int score;
SWBOOL QuitFlag = FALSE;
SWBOOL InGame = FALSE;

SWBOOL CommandSetup = FALSE;

char buffer[80], ch;

uint8_t DebugPrintColor = 255;

int krandcount;

/// L O C A L   P R O T O T Y P E S /////////////////////////////////////////////////////////
void BOT_DeleteAllBots(void);
void BotPlayerInsert(PLAYERp pp);
void SybexScreen(void);
void MenuLevel(void);
void StatScreen(PLAYERp mpp);
void InitRunLevel(void);
void RunLevel(void);
/////////////////////////////////////////////////////////////////////////////////////////////

static FILE *debug_fout = NULL;


// Transitioning helper.
void Logo(const CompletionFunc& completion);

int SyncScreenJob()
{
    while (gamestate == GS_INTERMISSION || gamestate == GS_INTRO)
    {
        DoUpdateSounds();
        handleevents();
        updatePauseStatus();
        D_ProcessEvents();
        ControlInfo info;
        CONTROL_GetInput(&info);
        C_RunDelayedCommands();

        RunScreenJobFrame();	// This handles continuation through its completion callback.
        videoNextPage();
    }
    return 0;
}




extern SWBOOL DrawScreen;
int krand1(void)
{
    ASSERT(!DrawScreen);
    krandcount++;
    randomseed = ((randomseed * 21 + 1) & 65535);
    return randomseed;
}

int PointOnLine(int x, int y, int x1, int y1, int x2, int y2)
{
    // the closer to 0 the closer to the line the point is
    return ((x2 - x1) * (y - y1)) - ((y2 - y1) * (x - x1));
}

int
Distance(int x1, int y1, int x2, int y2)
{
    int min;

    if ((x2 = x2 - x1) < 0)
        x2 = -x2;

    if ((y2 = y2 - y1) < 0)
        y2 = -y2;

    if (x2 > y2)
        min = y2;
    else
        min = x2;

    return x2 + y2 - DIV2(min);
}


void TerminateGame(void)
{
    if (CleanExit)
    {
        //SybexScreen();
    }
    throw CExitEvent(3);
}

bool LoadLevel(MapRecord *maprec)
{
    int16_t ang;
    if (engineLoadBoard(maprec->fileName, SW_SHAREWARE ? 1 : 0, (vec3_t *)&Player[0], &ang, &Player[0].cursectnum) == -1)
    {
        Printf("Map not found: %s", maprec->fileName.GetChars());
        return false;
    }
    currentLevel = maprec;
    SECRET_SetMapName(currentLevel->DisplayName(), currentLevel->name);
    STAT_NewLevel(currentLevel->fileName);
    Player[0].q16ang = fix16_from_int(ang);
    return true;
}

void MultiSharewareCheck(void)
{
    if (!SW_SHAREWARE) return;
    if (numplayers > 4)
    {
        I_FatalError("To play a Network game with more than 4 players you must purchase "
                  "the full version.  Read the Ordering Info screens for details.");
    }
}


// Some mem crap for Jim
// I reserve 1 meg of heap space for our use out side the cache
int TotalMemory = 0;
int ActualHeap = 0;

static int firstnet = 0;    // JBF

void SW_InitMultiPsky(void)
{
    // default
    psky_t* const defaultsky = tileSetupSky(DEFAULTPSKY);
    defaultsky->lognumtiles = 1;
    defaultsky->horizfrac = 8192;
}

bool InitGame()
{
    extern int MovesPerPacket;
    //void *ReserveMem=NULL;
    int i;

    engineInit();
    {
        auto pal = fileSystem.LoadFile("3drealms.pal", 0);
        if (pal.Size() >= 768)
        {
            for (auto& c : pal)
                c <<= 2;

            paletteSetColorTable(DREALMSPAL, pal.Data(), true, true);
        }
    }


    timerInit(120);

    InitPalette();
    // sets numplayers, connecthead, connectpoint2, myconnectindex

	numplayers = 1; myconnectindex = 0;
	connecthead = 0; connectpoint2[0] = -1;

    // code to duplicate packets
    if (numplayers > 4 && MovesPerPacket == 1)
    {
        MovesPerPacket = 2;
    }

    MultiSharewareCheck();

    if (numplayers > 1)
    {
        CommPlayers = numplayers;
        OrigCommPlayers = CommPlayers;
        CommEnabled = TRUE;
        gNet.MultiGameType = MULTI_GAME_COMMBAT;
    }

    TileFiles.LoadArtSet("tiles%03d.art");
    InitFonts();

    //Connect();
    SortBreakInfo();
    parallaxtype = 1;
    SW_InitMultiPsky();

    memset(Track, 0, sizeof(Track));

    memset(Player, 0, sizeof(Player));
    for (i = 0; i < MAX_SW_PLAYERS; i++)
        INITLIST(&Player[i].PanelSpriteList);

    LoadKVXFromScript("swvoxfil.txt");    // Load voxels from script file
    LoadPLockFromScript("swplock.txt");   // Get Parental Lock setup info
	
	LoadCustomInfoFromScript("engine/swcustom.txt");	// load the internal definitions. These also apply to the shareware version.
    if (!SW_SHAREWARE)
	{
        LoadCustomInfoFromScript("swcustom.txt");   // Load user customisation information
	}
 
    if (!loaddefinitionsfile(G_DefFile())) Printf("Definitions file loaded.\n");

	userConfig.AddDefs.reset();

    enginePostInit();

    videoInit();

    GraphicsMode = TRUE;

    InitFX();   // JBF: do it down here so we get a hold of the window handle
	return true;
}


FString ThemeSongs[6];
int ThemeTrack[6];

void InitNewGame(void)
{
    int i, ready_bak;
    int ver_bak;

    //waitforeverybody();           // since ready flag resets after this point, need to carefully sync

    for (i = 0; i < MAX_SW_PLAYERS; i++)
    {
        // don't jack with the playerreadyflag
        ready_bak = Player[i].playerreadyflag;
        ver_bak = Player[i].PlayerVersion;
        memset(&Player[i], 0, sizeof(Player[i]));
        Player[i].playerreadyflag = ready_bak;
        Player[i].PlayerVersion = ver_bak;
        INITLIST(&Player[i].PanelSpriteList);
    }

    memset(puser, 0, sizeof(puser));
}

int ChopTics;
void InitLevelGlobals(void)
{
    extern char PlayerGravity;
    extern short wait_active_check_offset;
    //extern short Zombies;
    extern int PlaxCeilGlobZadjust, PlaxFloorGlobZadjust;
    extern SWBOOL left_foot;
    extern SWBOOL serpwasseen;
    extern SWBOOL sumowasseen;
    extern SWBOOL zillawasseen;
    extern short BossSpriteNum[3];

    ChopTics = 0;
    dimensionmode = 3;
    zoom = 768;
    PlayerGravity = 24;
    wait_active_check_offset = 0;
    PlaxCeilGlobZadjust = PlaxFloorGlobZadjust = Z(500);
    FinishedLevel = FALSE;
    AnimCnt = 0;
    left_foot = FALSE;
    screenpeek = myconnectindex;
    numinterpolations = short_numinterpolations = 0;

    gNet.TimeLimitClock = gNet.TimeLimit;

    serpwasseen = FALSE;
    sumowasseen = FALSE;
    zillawasseen = FALSE;
    memset(BossSpriteNum,-1,sizeof(BossSpriteNum));

    PedanticMode = false;
}

void InitLevelGlobals2(void)
{
    extern short Bunny_Count;
    // GLOBAL RESETS NOT DONE for LOAD GAME
    // !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    InitTimingVars();
    TotalKillable = 0;
    Bunny_Count = 0;
    FinishAnim = 0;
}

void
InitLevel(void)
{
    if (LoadGameOutsideMoveLoop)
    {
        InitLevelGlobals();
        return;
    }

    static int DemoNumber = 0;

    Terminate3DSounds();

    // A few IMPORTANT GLOBAL RESETS
    InitLevelGlobals();

    Mus_Stop();

    auto maprec = NextLevel;
    NextLevel = nullptr;
    if (!maprec)
    {
        NewGame = false;
        return;
    }
    InitLevelGlobals2();

    if (NewGame)
        InitNewGame();

    if (!LoadLevel(maprec))
	{
		NewGame = false;
		return;
	}

    SetupPreCache();

    if (sector[0].extra != -1)
    {
        NormalVisibility = g_visibility = sector[0].extra;
        sector[0].extra = 0;
    }
    else
        NormalVisibility = g_visibility;

    //
    // Do Player stuff first
    //

    InitAllPlayers();

    QueueReset();
    PreMapCombineFloors();
    InitMultiPlayerInfo();
    InitAllPlayerSprites();

    //
    // Do setup for sprite, track, panel, sector, etc
    //

    // Set levels up
    InitTimingVars();

    SpriteSetup();
    SpriteSetupPost(); // post processing - already gone once through the loop
    InitLighting();

    TrackSetup();

    PlayerPanelSetup();
    SectorSetup();
    JS_InitMirrors();
    JS_InitLockouts();   // Setup the lockout linked lists
    JS_ToggleLockouts(); // Init lockouts on/off

    PlaceSectorObjectsOnTracks();
    PlaceActorsOnTracks();
    PostSetupSectorObject();
    SetupMirrorTiles();
    initlava();
    
    // reset NewGame
    NewGame = FALSE;
}


void
TerminateLevel(void)
{
    if (!currentLevel) return;

    int i, nexti, stat, pnum, ndx;
    SECT_USERp *sectu;

    // Free any track points
    for (ndx = 0; ndx < MAX_TRACKS; ndx++)
    {
        if (Track[ndx].TrackPoint)
        {
            FreeMem(Track[ndx].TrackPoint);
            // !JIM! I added null assigner
            Track[ndx].TrackPoint = NULL;
        }
    }

    // Clear the tracks
    memset(Track, 0, sizeof(Track));

    StopFX();
    
    // Clear all anims and any memory associated with them
    // Clear before killing sprites - save a little time
    //AnimClear();

    for (stat = STAT_PLAYER0; stat < STAT_PLAYER0 + numplayers; stat++)
    {

        pnum = stat - STAT_PLAYER0;

        TRAVERSE_SPRITE_STAT(headspritestat[stat], i, nexti)
        {
            if (User[i])
                memcpy(&puser[pnum], User[i], sizeof(USER));
        }
    }

    // Kill User memory and delete sprites
    // for (stat = 0; stat < STAT_ALL; stat++)
    for (stat = 0; stat < MAXSTATUS; stat++)
    {
        TRAVERSE_SPRITE_STAT(headspritestat[stat], i, nexti)
        {
            KillSprite(i);
        }
    }

    // Free SectUser memory
    for (sectu = &SectUser[0];
         sectu < &SectUser[MAXSECTORS];
         sectu++)
    {
        if (*sectu)
        {
            FreeMem(*sectu);
            *sectu = NULL;
        }
    }

    //memset(&User[0], 0, sizeof(User));
    memset(&SectUser[0], 0, sizeof(SectUser));

    TRAVERSE_CONNECT(pnum)
    {
        PLAYERp pp = Player + pnum;

        // Free panel sprites for players
        pClearSpriteList(pp);

        pp->DoPlayerAction = NULL;

        pp->SpriteP = NULL;
        pp->PlayerSprite = -1;

        pp->UnderSpriteP = NULL;
        pp->PlayerUnderSprite = -1;

        memset(pp->HasKey, 0, sizeof(pp->HasKey));

        //pp->WpnFlags = 0;
        pp->CurWpn = NULL;

        memset(pp->Wpn, 0, sizeof(pp->Wpn));
        memset(pp->InventoryTics, 0, sizeof(pp->InventoryTics));

        pp->Killer = -1;

        INITLIST(&pp->PanelSpriteList);
    }

    JS_UnInitLockouts();

//HEAP_CHECK();
}

void NewLevel(void)
{
    do
    {
        InitLevel();
        RunLevel();
    }
    while (LoadGameOutsideMoveLoop);
	STAT_Update(false);

    if (!QuitFlag)
    {
        // for good measure do this
        ready2send = 0;
        waitforeverybody();
    }

    StatScreen(&Player[myconnectindex]);

    if (LoadGameFromDemo)
        LoadGameFromDemo = FALSE;
    else
        TerminateLevel();

    InGame = FALSE;

    if (SW_SHAREWARE)
    {
        if (FinishAnim)
        {
            PlayTheme();
            MenuLevel();
			STAT_Update(true);
    }
    }
    else
    {
        if (FinishAnim == ANIM_ZILLA || FinishAnim == ANIM_SERP)
        {
            PlayTheme();
            MenuLevel();
			STAT_Update(true);
    }
    }
}


void PlayTheme()
{
    // start music at logo
    PlaySong(nullptr, ThemeSongs[0], ThemeTrack[0]);
}

// CTW REMOVED END

void DrawMenuLevelScreen(void)
{
    const int TITLE_PIC = 2324;
    twod->ClearScreen();
    DrawTexture(twod, tileGetTexture(TITLE_PIC), 0, 0, DTA_FullscreenEx, FSMode_ScaleToFit43, DTA_LegacyRenderStyle, STYLE_Normal,
        DTA_Color, shadeToLight(20), TAG_DONE);
}

short PlayerQuitMenuLevel = -1;

void MenuLevel(void)
{
    short w,h;

    M_StartControlPanel(false);
    M_SetMenu(NAME_Mainmenu);

    twod->ClearScreen();
    videoNextPage();

    //FadeOut(0, 0);
    ready2send = 0;
    totalclock = 0;
    ototalclock = 0;
    ExitLevel = FALSE;
    InMenuLevel = TRUE;

    DrawMenuLevelScreen();

    if (CommEnabled)
    {
        sprintf(ds,"Lo Wang is waiting for other players...");
        MNU_DrawString(160, 170, ds, 1, 16, 0);

        sprintf(ds,"They are afraid!");
        MNU_DrawString(160, 180, ds, 1, 16, 0);
    }

    videoNextPage();
    //FadeIn(0, 3);

    waitforeverybody();

    inputState.ClearAllInput();

    if (SW_SHAREWARE)
    {
        // go to ordering menu only if shareware
        if (FinishAnim)
        {
			inputState.ClearKeyStatus(sc_Escape);
			M_StartControlPanel(false);
			M_SetMenu(NAME_CreditsMenu);
            FinishAnim = 0;
        }
    }
    else
    {
        FinishAnim = 0;
    }

    while (TRUE)
    {
        handleevents();
        D_ProcessEvents();
        C_RunDelayedCommands();

        // limits checks to max of 40 times a second
        if (totalclock >= ototalclock + synctics)
        {
            ototalclock += synctics;
        }

        if (ExitLevel)
        {
            ExitLevel = FALSE;
            break;
        }

        if (QuitFlag)
        {
            // Quiting Game
            break;
        }

        // must lock the clock for drawing so animations will happen
        totalclocklock = totalclock;

        //drawscreen as fast as you can
        DrawMenuLevelScreen();
        DoUpdateSounds();

        videoNextPage();
    }

    inputState.ClearAllInput();
	M_ClearMenus();
    InMenuLevel = FALSE;
    twod->ClearScreen();
    videoNextPage();
}


extern SWBOOL FinishedLevel;


void EndGameSequence(void)
{
	StopSound();

    //playanm(FinishAnim);

    //BonusScreen();

    ExitLevel = FALSE;
    QuitFlag = FALSE;

    //if (FinishAnim == ANIM_ZILLA)
      //      CreditsLevel();

    ExitLevel = FALSE;
    QuitFlag = FALSE;

    if (currentLevel->levelNumber != 4 && currentLevel->levelNumber != 20)
    {
        NextLevel = FindMapByLevelNum(currentLevel->levelNumber + 1);
    }
}

void StatScreen(PLAYERp mpp)
{
    extern SWBOOL FinishedLevel;
    short w,h;

    short rows,cols,i,j;
    PLAYERp pp = NULL;
    int x,y;
    short pal;

    //ResetPalette(mpp);
    COVER_SetReverb(0); // Reset reverb
    mpp->Reverb = 0;
    StopSound();
    soundEngine->UpdateSounds((int)totalclock);

    if (FinishAnim)
    {
        EndGameSequence();
        return;
    }

    if (gNet.MultiGameType != MULTI_GAME_COMMBAT)
    {
        if (!FinishedLevel)
            return;
        //BonusScreen();
        return;
    }
    //MPBonusScreen();
}

void GameIntro(void)
{
    Logo([](bool) { gamestate = GS_LEVEL; });
    SyncScreenJob();
    MenuLevel();
}

void Control()
{
	InitGame();

    InGame = TRUE;
    GameIntro();

    while (!QuitFlag)
    {
        handleevents();
        C_RunDelayedCommands();

        NewLevel();
    }

    CleanExit = TRUE;
    throw CExitEvent(0);
}


void _Assert(const char *expr, const char *strFile, unsigned uLine)
{
    I_FatalError("Assertion failed: %s %s, line %u", expr, strFile, uLine);
}



void dsprintf(char *str, const char *format, ...)
{
    va_list arglist;

    va_start(arglist, format);
    vsprintf(str, format, arglist);
    va_end(arglist);
}

void dsprintf_null(char *str, const char *format, ...)
{
    va_list arglist;
}

void getinput(SW_PACKET *, SWBOOL);

void MoveLoop(void)
{
    int pnum;

    //getpackets();

    if (PredictionOn && CommEnabled)
    {
        while (predictmovefifoplc < Player[myconnectindex].movefifoend)
        {
            DoPrediction(ppp);
        }
    }

    //While you have new input packets to process...
    if (!CommEnabled)
        bufferjitter = 0;

    while (Player[myconnectindex].movefifoend - movefifoplc > bufferjitter)
    {
        //Make sure you have at least 1 packet from everyone else
        for (pnum=connecthead; pnum>=0; pnum=connectpoint2[pnum])
        {
            if (movefifoplc == Player[pnum].movefifoend)
            {
                break;
            }
        }

        //Pnum is >= 0 only if last loop was broken, meaning a player wasn't caught up
        if (pnum >= 0)
            break;

        domovethings();

    }
}


void InitPlayerGameSettings(void)
{
    int pnum;

    if (CommEnabled)
    {
        // everyone gets the same Auto Aim
        TRAVERSE_CONNECT(pnum)
        {
            if (gNet.AutoAim)
                SET(Player[pnum].Flags, PF_AUTO_AIM);
            else
                RESET(Player[pnum].Flags, PF_AUTO_AIM);
        }
    }
    else
    {
        if (cl_autoaim)
            SET(Player[myconnectindex].Flags, PF_AUTO_AIM);
        else
            RESET(Player[myconnectindex].Flags, PF_AUTO_AIM);
    }
}


void InitRunLevel(void)
{
    if (LoadGameOutsideMoveLoop)
    {
        int SavePlayClock;
        extern int PlayClock;
        LoadGameOutsideMoveLoop = FALSE;
        // contains what is needed from calls below
        if (snd_ambience)
            StartAmbientSound();
        // crappy little hack to prevent play clock from being overwritten
        // for load games
        SavePlayClock = PlayClock;
        InitTimingVars();
        PlayClock = SavePlayClock;
        return;
    }

    //SendVersion(GameVersion);
    //waitforeverybody();

    Mus_Stop();

    DoTheCache();

    // auto aim / auto run / etc
    InitPlayerGameSettings();

    // send packets with player info
    InitNetPlayerOptions();

    // Initialize Game part of network code (When ready2send != 0)
    InitNetVars();

    if (currentLevel)
    {
		PlaySong(currentLevel->labelName, currentLevel->music, currentLevel->cdSongId);
    }

    InitPrediction(&Player[myconnectindex]);

    waitforeverybody();

    //CheckVersion(GameVersion);

    // IMPORTANT - MUST be right before game loop AFTER waitforeverybody
    InitTimingVars();

    if (snd_ambience)
        StartAmbientSound();
}

void RunLevel(void)
{
    InitRunLevel();

#if 0
    waitforeverybody();
#endif
    ready2send = 1;

    while (TRUE)
    {
        handleevents();
        C_RunDelayedCommands();
		D_ProcessEvents();
        if (LoadGameOutsideMoveLoop)
        {
            return; // Stop the game loop if a savegame was loaded from the menu.
        }

        updatePauseStatus();

        if (paused)
        {
            ototalclock = (int)totalclock - (120 / synctics);
            buttonMap.ResetButtonStates();
        }
        else
        {
            while (ready2send && (totalclock >= ototalclock + synctics))
            {
                UpdateInputs();
                MoveLoop();
            }

            // Get input again to update q16ang/q16horiz.
            if (!PedanticMode)
                getinput(&loc, TRUE);
        }

        drawscreen(Player + screenpeek);

        if (QuitFlag)
            break;

        if (ExitLevel)
        {
            ExitLevel = FALSE;
            break;
        }
    }

    ready2send = 0;
}

#if 0
Map       ->    User Map Name
Auto      ->    Auto Start Game
Rules     ->    0=WangBang 1=WangBang (No Respawn) 2=CoOperative
Level     ->    0 to 24(?)
Enemy     ->    0=None 1=Easy 2=Norm 3=Hard 4=Insane
Markers   ->    0=Off 1=On
Team      ->    0=Off 1=On
HurtTeam  ->    0=Off 1=On
KillLimit ->    0=Infinite 1=10 2=20 3=30 4=40 5=50 6=60 7=70 8=80 9=90 10=100
TimeLimit ->    0=Infinite 1=3 2=5 3=10 4=20 5=30 6=45 7=60
Color     ->    0=Brown 1=Purple 2=Red 3=Yellow 4=Olive 5=Green
Nuke      ->    0=Off 1=On

                                                                                                                                                                                                                                                                                                                                   Example Command Line :
                                                                                                                                                                                                                                                                                                                                   sw -map testmap.map -autonet 0,0,1,1,1,0,3,2,1,1 -f4 -name 1234567890 -net 12345678
commit -map grenade -autonet 0,0,1,1,1,0,3,2,1,1 -name frank
#endif

char isShareware = FALSE;

int DetectShareware(void)
{
    return (isShareware = !!(g_gameType & GAMEFLAG_SHAREWARE));
}


void CommandLineHelp(char const * const * argv)
{
}

static const char* actions[] = {
    "Move_Forward",
    "Move_Backward",
    "Turn_Left",
    "Turn_Right",
    "Strafe",
    "Fire",
    "Open",
    "Run",
    "Alt_Fire",	// Duke3D", Blood
    "Jump",
    "Crouch",
    "Look_Up",
    "Look_Down",
    "Look_Left",
    "Look_Right",
    "Strafe_Left",
    "Strafe_Right",
    "Aim_Up",
    "Aim_Down",
    "SendMessage",
    "Map",
    "Shrink_Screen",
    "Enlarge_Screen",
    "Show_Opponents_Weapon",
    "Map_Follow_Mode",
    "See_Coop_View",
    "Mouse_Aiming",
    "Dpad_Select",
    "Dpad_Aiming",
    "Last_Weapon",
    "Alt_Weapon",
    "Third_Person_View",
    "Toggle_Crouch",	// This is the last one used by EDuke32"",

};

int32_t GameInterface::app_main()
{
    int i;
    extern int MovesPerPacket;
    void DoSector(void);
    void gameinput(void);
    int cnt = 0;

    InitCheats();
    buttonMap.SetButtons(actions, NUM_ACTIONS);
    automapping = 1;
    
    gs = gs_defaults;

    if (!DetectShareware())
    {
        if (SW_SHAREWARE) Printf("Detected shareware GRP\n");
        else Printf("Detected registered GRP\n");
    }

    for (i = 0; i < MAX_SW_PLAYERS; i++)
        INITLIST(&Player[i].PanelSpriteList);

    DebugOperate = TRUE;
    enginecompatibility_mode = ENGINECOMPATIBILITY_19961112;

    if (SW_SHAREWARE)
        Printf("SHADOW WARRIOR(tm) Version 1.2 (Shareware Version)\n");
    else
        Printf("SHADOW WARRIOR(tm) Version 1.2\n");

    if (sw_snd_scratch == 0)    // This is always 0 at this point - this check is only here to prevent whole program optimization from eliminating the variable.
        Printf("Copyright (c) 1997 3D Realms Entertainment\n");

    registerosdcommands();
    registerinputcommands();

    Control();

    return 0;
}

void ManualPlayerInsert(PLAYERp pp)
{
    PLAYERp npp = Player + numplayers;

    if (numplayers < MAX_SW_PLAYERS)
    {
        connectpoint2[numplayers - 1] = numplayers;
        connectpoint2[numplayers] = -1;

        npp->posx = pp->posx;
        npp->posy = pp->posy;
        npp->posz = pp->posz;
        npp->q16ang = pp->q16ang;
        npp->cursectnum = pp->cursectnum;

        myconnectindex = numplayers;
        screenpeek = numplayers;

        sprintf(Player[myconnectindex].PlayerName,"PLAYER %d",myconnectindex+1);

        Player[numplayers].movefifoend = Player[0].movefifoend;

        // If IsAI = TRUE, new player will be a bot
        Player[myconnectindex].IsAI = FALSE;

        numplayers++;
    }

}

void BotPlayerInsert(PLAYERp pp)
{
    PLAYERp npp = Player + numplayers;

    if (numplayers < MAX_SW_PLAYERS)
    {
        connectpoint2[numplayers - 1] = numplayers;
        connectpoint2[numplayers] = -1;

        npp->posx = pp->posx;
        npp->posy = pp->posy;
        npp->posz = pp->posz-Z(100);
        npp->q16ang = pp->q16ang;
        npp->cursectnum = pp->cursectnum;

        //myconnectindex = numplayers;
        //screenpeek = numplayers;

        sprintf(Player[numplayers].PlayerName,"BOT %d",numplayers+1);

        Player[numplayers].movefifoend = Player[0].movefifoend;

        // If IsAI = TRUE, new player will be a bot
        Player[numplayers].IsAI = TRUE;

        numplayers++;
    }
}

void
ManualPlayerDelete(void)
{
    short i, nexti;
    USERp u;
    PLAYERp pp;

    if (numplayers > 1)
    {
        numplayers--;
        connectpoint2[numplayers - 1] = -1;

        pp = Player + numplayers;

        KillSprite(pp->PlayerSprite);
        pp->PlayerSprite = -1;

        // Make sure enemys "forget" about deleted player
        TRAVERSE_SPRITE_STAT(headspritestat[STAT_ENEMY], i, nexti)
        {
            u = User[i];
            if (u->tgt_sp == pp->SpriteP)
                u->tgt_sp = Player[0].SpriteP;
        }

        if (myconnectindex >= numplayers)
            myconnectindex = 0;

        if (screenpeek >= numplayers)
            screenpeek = 0;
    }
}



char WangBangMacro[10][64];

#define MAP_WHITE_SECTOR    (LT_GREY + 2)
#define MAP_RED_SECTOR      (RED + 6)
#define MAP_FLOOR_SPRITE    (RED + 8)
#define MAP_ENEMY           (RED + 10)
#define MAP_SPRITE          (FIRE + 8)
#define MAP_PLAYER          (GREEN + 6)

#define MAP_BLOCK_SPRITE    (DK_BLUE + 6)

void drawoverheadmap(int cposx, int cposy, int czoom, short cang)
{
    int i, j, k, l, x1, y1, x2, y2, x3, y3, x4, y4, ox, oy, xoff, yoff;
    int dax, day, cosang, sinang, xspan, yspan, sprx, spry;
    int xrepeat, yrepeat, z1, z2, startwall, endwall, tilenum, daang;
    int xvect, yvect, xvect2, yvect2;
    char col;
    walltype *wal, *wal2;
    spritetype *spr;
    short p;
    static int pspr_ndx[8]= {0,0,0,0,0,0,0,0};
    SWBOOL sprisplayer = FALSE;
    short txt_x, txt_y;

    int32_t tmpydim = (xdim * 5) / 8;
    renderSetAspect(65536, divscale16(tmpydim * 320, xdim * 200));

    // draw location text
    if (hud_size == Hud_Nothing)
    {
        txt_x = 7;
        txt_y = 168;
    }
    else
    {
        txt_x = 7;
        txt_y = 147;
    }

    if (ScrollMode2D)
    {
        MNU_DrawSmallString(txt_x, txt_y - 7, "Follow Mode", 0, 0);
    }

    sprintf(ds,"%s",currentLevel->DisplayName());

    MNU_DrawSmallString(txt_x,txt_y,ds,0, 0);

    //////////////////////////////////

    xvect = sintable[(2048 - cang) & 2047] * czoom;
    yvect = sintable[(1536 - cang) & 2047] * czoom;
    xvect2 = mulscale16(xvect, yxaspect);
    yvect2 = mulscale16(yvect, yxaspect);

    // Draw red lines
    for (i = 0; i < numsectors; i++)
    {
        startwall = sector[i].wallptr;
        endwall = sector[i].wallptr + sector[i].wallnum - 1;

        z1 = sector[i].ceilingz;
        z2 = sector[i].floorz;

        for (j = startwall, wal = &wall[startwall]; j <= endwall; j++, wal++)
        {
            k = wal->nextwall;
            if ((unsigned)k >= MAXWALLS)
                continue;

            if (!mapcheat)
            {
                if ((show2dwall[j >> 3] & (1 << (j & 7))) == 0)
                    continue;
                if ((k > j) && ((show2dwall[k >> 3] & (1 << (k & 7))) > 0))
                    continue;
            }

            if (sector[wal->nextsector].ceilingz == z1)
                if (sector[wal->nextsector].floorz == z2)
                    if (((wal->cstat | wall[wal->nextwall].cstat) & (16 + 32)) == 0)
                        continue;

            col = 152;

            //if (dimensionmode == 2)
            if (dimensionmode == 6)
            {
                if (sector[i].floorz != sector[i].ceilingz)
                    if (sector[wal->nextsector].floorz != sector[wal->nextsector].ceilingz)
                        if (((wal->cstat | wall[wal->nextwall].cstat) & (16 + 32)) == 0)
                            if (sector[i].floorz == sector[wal->nextsector].floorz)
                                continue;
                if (sector[i].floorpicnum != sector[wal->nextsector].floorpicnum)
                    continue;
                if (sector[i].floorshade != sector[wal->nextsector].floorshade)
                    continue;
                col = 12;  // 1=white / 31=black / 44=green / 56=pink / 128=yellow / 210=blue / 248=orange / 255=purple
            }

            ox = wal->x - cposx;
            oy = wal->y - cposy;
            x1 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
            y1 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

            wal2 = &wall[wal->point2];
            ox = wal2->x - cposx;
            oy = wal2->y - cposy;
            x2 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
            y2 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

            renderDrawLine(x1 + (xdim << 11), y1 + (ydim << 11), x2 + (xdim << 11), y2 + (ydim << 11), col);
        }
    }

    // Draw sprites
    k = Player[screenpeek].PlayerSprite;
    for (i = 0; i < numsectors; i++)
        for (j = headspritesect[i]; j >= 0; j = nextspritesect[j])
        {
            for (p=connecthead; p >= 0; p=connectpoint2[p])
            {
                if (Player[p].PlayerSprite == j)
                {
                    if (sprite[Player[p].PlayerSprite].xvel > 16)
                        pspr_ndx[myconnectindex] = (((int32_t) totalclock>>4)&3);
                    sprisplayer = TRUE;

                    goto SHOWSPRITE;
                }
            }
            if (mapcheat || (show2dsprite[j >> 3] & (1 << (j & 7))) > 0)
            {
SHOWSPRITE:
                spr = &sprite[j];

                col = 56; // 1=white / 31=black / 44=green / 56=pink / 128=yellow / 210=blue / 248=orange / 255=purple
                if ((spr->cstat & 1) > 0)
                    col = 248;
                if (j == k)
                    col = 31;

                sprx = spr->x;
                spry = spr->y;

                k = spr->statnum;
                if ((k >= 1) && (k <= 8) && (k != 2))   // Interpolate moving
                {
                    sprx = sprite[j].x;
                    spry = sprite[j].y;
                }

                switch (spr->cstat & 48)
                {
                case 0:  // Regular sprite
                    if (Player[p].PlayerSprite == j)
                    {
                        ox = sprx - cposx;
                        oy = spry - cposy;
                        x1 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                        y1 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                        if (dimensionmode == 5 && (gNet.MultiGameType != MULTI_GAME_COMMBAT || j == Player[screenpeek].PlayerSprite))
                        {
                            ox = (sintable[(spr->ang + 512) & 2047] >> 7);
                            oy = (sintable[(spr->ang) & 2047] >> 7);
                            x2 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                            y2 = mulscale16(oy, xvect) + mulscale16(ox, yvect);

                            if (j == Player[screenpeek].PlayerSprite)
                            {
                                x2 = 0L;
                                y2 = -(czoom << 5);
                            }

                            x3 = mulscale16(x2, yxaspect);
                            y3 = mulscale16(y2, yxaspect);

                            renderDrawLine(x1 - x2 + (xdim << 11), y1 - y3 + (ydim << 11),
                                           x1 + x2 + (xdim << 11), y1 + y3 + (ydim << 11), col);
                            renderDrawLine(x1 - y2 + (xdim << 11), y1 + x3 + (ydim << 11),
                                           x1 + x2 + (xdim << 11), y1 + y3 + (ydim << 11), col);
                            renderDrawLine(x1 + y2 + (xdim << 11), y1 - x3 + (ydim << 11),
                                           x1 + x2 + (xdim << 11), y1 + y3 + (ydim << 11), col);
                        }
                        else
                        {
                            if (((gotsector[i >> 3] & (1 << (i & 7))) > 0) && (czoom > 192))
                            {
                                daang = (spr->ang - cang) & 2047;
                                if (j == Player[screenpeek].PlayerSprite)
                                {
                                    x1 = 0;
                                    //y1 = (yxaspect << 2);
                                    y1 = 0;
                                    daang = 0;
                                }

                                // Special case tiles
                                if (spr->picnum == 3123) break;

                                int spnum = -1;
                                if (sprisplayer)
                                {
                                    if (gNet.MultiGameType != MULTI_GAME_COMMBAT || j == Player[screenpeek].PlayerSprite)
                                        spnum = 1196 + pspr_ndx[myconnectindex];
                                }
                                else spnum = spr->picnum;

                                double xd = ((x1 << 4) + (xdim << 15)) / 65536.;
                                double yd = ((y1 << 4) + (ydim << 15)) / 65536.;
                                double sc = mulscale16(czoom * (spr->yrepeat), yxaspect) / 65536.;
                                if (spnum >= 0)
                                {
                                    DrawTexture(twod, tileGetTexture(5407, true), xd, yd, DTA_FullscreenScale, FSMode_ScaleToFit43, DTA_VirtualWidth, 320, DTA_VirtualHeight, 200,
                                        DTA_CenterOffsetRel, true, DTA_TranslationIndex, TRANSLATION(Translation_Remap, spr->pal), DTA_Color, shadeToLight(spr->shade),
                                        DTA_Alpha, (spr->cstat & 2) ? 0.33 : 1., TAG_DONE);
                                }
                            }
                        }
                    }
                    break;
                case 16: // Rotated sprite
                    x1 = sprx;
                    y1 = spry;
                    tilenum = spr->picnum;
                    xoff = (int)tileLeftOffset(tilenum) + (int)spr->xoffset;
                    if ((spr->cstat & 4) > 0)
                        xoff = -xoff;
                    k = spr->ang;
                    l = spr->xrepeat;
                    dax = sintable[k & 2047] * l;
                    day = sintable[(k + 1536) & 2047] * l;
                    l = tilesiz[tilenum].x;
                    k = (l >> 1) + xoff;
                    x1 -= mulscale16(dax, k);
                    x2 = x1 + mulscale16(dax, l);
                    y1 -= mulscale16(day, k);
                    y2 = y1 + mulscale16(day, l);

                    ox = x1 - cposx;
                    oy = y1 - cposy;
                    x1 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                    y1 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                    ox = x2 - cposx;
                    oy = y2 - cposy;
                    x2 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                    y2 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                    renderDrawLine(x1 + (xdim << 11), y1 + (ydim << 11),
                                   x2 + (xdim << 11), y2 + (ydim << 11), col);

                    break;
                case 32:    // Floor sprite
                    if (dimensionmode == 5)
                    {
                        tilenum = spr->picnum;
                        xoff = (int)tileLeftOffset(tilenum) + (int)spr->xoffset;
                        yoff = (int)tileTopOffset(tilenum) + (int)spr->yoffset;
                        if ((spr->cstat & 4) > 0)
                            xoff = -xoff;
                        if ((spr->cstat & 8) > 0)
                            yoff = -yoff;

                        k = spr->ang;
                        cosang = sintable[(k + 512) & 2047];
                        sinang = sintable[k];
                        xspan = tilesiz[tilenum].x;
                        xrepeat = spr->xrepeat;
                        yspan = tilesiz[tilenum].y;
                        yrepeat = spr->yrepeat;

                        dax = ((xspan >> 1) + xoff) * xrepeat;
                        day = ((yspan >> 1) + yoff) * yrepeat;
                        x1 = sprx + mulscale16(sinang, dax) + mulscale16(cosang, day);
                        y1 = spry + mulscale16(sinang, day) - mulscale16(cosang, dax);
                        l = xspan * xrepeat;
                        x2 = x1 - mulscale16(sinang, l);
                        y2 = y1 + mulscale16(cosang, l);
                        l = yspan * yrepeat;
                        k = -mulscale16(cosang, l);
                        x3 = x2 + k;
                        x4 = x1 + k;
                        k = -mulscale16(sinang, l);
                        y3 = y2 + k;
                        y4 = y1 + k;

                        ox = x1 - cposx;
                        oy = y1 - cposy;
                        x1 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                        y1 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                        ox = x2 - cposx;
                        oy = y2 - cposy;
                        x2 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                        y2 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                        ox = x3 - cposx;
                        oy = y3 - cposy;
                        x3 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                        y3 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                        ox = x4 - cposx;
                        oy = y4 - cposy;
                        x4 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
                        y4 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

                        renderDrawLine(x1 + (xdim << 11), y1 + (ydim << 11),
                                       x2 + (xdim << 11), y2 + (ydim << 11), col);

                        renderDrawLine(x2 + (xdim << 11), y2 + (ydim << 11),
                                       x3 + (xdim << 11), y3 + (ydim << 11), col);

                        renderDrawLine(x3 + (xdim << 11), y3 + (ydim << 11),
                                       x4 + (xdim << 11), y4 + (ydim << 11), col);

                        renderDrawLine(x4 + (xdim << 11), y4 + (ydim << 11),
                                       x1 + (xdim << 11), y1 + (ydim << 11), col);

                    }
                    break;
                }
            }
        }
    // Draw white lines
    for (i = 0; i < numsectors; i++)
    {
        startwall = sector[i].wallptr;
        endwall = sector[i].wallptr + sector[i].wallnum - 1;

        for (j = startwall, wal = &wall[startwall]; j <= endwall; j++, wal++)
        {
            if ((uint16_t)wal->nextwall < MAXWALLS)
                continue;

            if (!mapcheat && (show2dwall[j >> 3] & (1 << (j & 7))) == 0)
                continue;

            if (!tileGetTexture(wal->picnum)->isValid()) continue;

            ox = wal->x - cposx;
            oy = wal->y - cposy;
            x1 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
            y1 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

            wal2 = &wall[wal->point2];
            ox = wal2->x - cposx;
            oy = wal2->y - cposy;
            x2 = mulscale16(ox, xvect) - mulscale16(oy, yvect);
            y2 = mulscale16(oy, xvect2) + mulscale16(ox, yvect2);

            renderDrawLine(x1 + (xdim << 11), y1 + (ydim << 11), x2 + (xdim << 11), y2 + (ydim << 11), 24);
        }
    }

    videoSetCorrectedAspect();

}


int RandomRange(int range)
{
    uint32_t rand_num;
    uint32_t value;

    if (range <= 0)
        return 0;

    rand_num = RANDOM();

    if (rand_num == 65535U)
        rand_num--;

    // shift values to give more precision
    value = (rand_num << 14) / ((65535UL << 14) / range);

    if (value >= (uint32_t)range)
        value = range - 1;

    return value;
}

int StdRandomRange(int range)
{
    uint32_t rand_num;
    uint32_t value;

    if (range <= 0)
        return 0;

    rand_num = STD_RANDOM();

    if (rand_num == RAND_MAX)
        rand_num--;

    // shift values to give more precision
#if (RAND_MAX > 0x7fff)
    value = rand_num / (((int)RAND_MAX) / range);
#else
    value = (rand_num << 14) / ((((int)RAND_MAX) << 14) / range);
#endif

    if (value >= (uint32_t)range)
        value = range - 1;

    return value;
}

#include "saveable.h"

saveable_module saveable_build{};

void Saveable_Init_Dynamic()
{
    static saveable_data saveable_build_data[] =
    {
        {sector, MAXSECTORS*sizeof(sectortype)},
        {sprite, MAXSPRITES*sizeof(spritetype)},
        {wall, MAXWALLS*sizeof(walltype)},
    };

    saveable_build.data = saveable_build_data;
    saveable_build.numdata = NUM_SAVEABLE_ITEMS(saveable_build_data);
}

ReservedSpace GameInterface::GetReservedScreenSpace(int viewsize)
{
    return { 0, 48 };
}


::GameInterface* CreateInterface()
{
	return new GameInterface;
}


GameStats GameInterface::getStats()
{
	PLAYERp pp = Player + myconnectindex;
	return { pp->Kills, TotalKillable, pp->SecretsFound, LevelSecrets, PlayClock / 120, 0 };
}

void GameInterface::FreeGameData()
{
    TerminateLevel();
}

END_SW_NS