raze/source/blood/src/blood.cpp

//-------------------------------------------------------------------------
/*
Copyright (C) 2010-2019 EDuke32 developers and contributors
Copyright (C) 2019 Nuke.YKT

This file is part of NBlood.

NBlood is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.

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.
*/
//-------------------------------------------------------------------------

#include "ns.h"	// Must come before everything else!

#include "build.h"
#include "mmulti.h"
#include "compat.h"
#include "baselayer.h"
#include "common.h"
#include "common_game.h"
#include "g_input.h"

#include "db.h"
#include "blood.h"
#include "choke.h"
#include "controls.h"
#include "dude.h"
#include "endgame.h"
#include "eventq.h"
#include "fx.h"
#include "gib.h"
#include "globals.h"
#include "levels.h"
#include "loadsave.h"
#include "network.h"
#include "sectorfx.h"
#include "seq.h"
#include "sound.h"
#include "triggers.h"
#include "view.h"
#include "misc.h"
#include "gameconfigfile.h"
#include "gamecontrol.h"
#include "m_argv.h"
#include "statistics.h"
#include "menu.h"
#include "raze_sound.h"
#include "nnexts.h"
#include "secrets.h"
#include "gamestate.h"
#include "screenjob.h"

BEGIN_BLD_NS

void LocalKeys(void);
void InitCheats();

char bAddUserMap = false;
bool bNoDemo = false;
bool bQuickStart = true;


char gUserMapFilename[BMAX_PATH];

short BloodVersion = 0x115;

int gNetPlayers;

int gChokeCounter = 0;

double g_gameUpdateTime, g_gameUpdateAndDrawTime;
double g_gameUpdateAvgTime = 0.001;

bool gQuitGame;
int gQuitRequest;

enum gametokens
{
    T_INCLUDE = 0,
    T_INTERFACE = 0,
    T_LOADGRP = 1,
    T_MODE = 1,
    T_CACHESIZE = 2,
    T_ALLOW = 2,
    T_NOAUTOLOAD,
    T_INCLUDEDEFAULT,
    T_SOUND,
    T_FILE,
    //T_CUTSCENE,
    //T_ANIMSOUNDS,
    //T_NOFLOORPALRANGE,
    T_ID,
    T_MINPITCH,
    T_MAXPITCH,
    T_PRIORITY,
    T_TYPE,
    T_DISTANCE,
    T_VOLUME,
    T_DELAY,
    T_RENAMEFILE,
    T_GLOBALGAMEFLAGS,
    T_ASPECT,
    T_FORCEFILTER,
    T_FORCENOFILTER,
    T_TEXTUREFILTER,
    T_RFFDEFINEID,
    T_TILEFROMTEXTURE,
    T_IFCRC, T_IFMATCH, T_CRC32,
    T_SIZE,
    T_SURFACE,
    T_VOXEL,
    T_VIEW,
    T_SHADE,
};

int blood_globalflags;

void QuitGame(void)
{
    throw CExitEvent(0);
}

void PrecacheDude(spritetype *pSprite)
{
    DUDEINFO *pDudeInfo = getDudeInfo(pSprite->type);
    seqPrecacheId(pDudeInfo->seqStartID);
    seqPrecacheId(pDudeInfo->seqStartID+5);
    seqPrecacheId(pDudeInfo->seqStartID+1);
    seqPrecacheId(pDudeInfo->seqStartID+2);
    switch (pSprite->type)
    {
    case kDudeCultistTommy:
    case kDudeCultistShotgun:
    case kDudeCultistTesla:
    case kDudeCultistTNT:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        seqPrecacheId(pDudeInfo->seqStartID+8);
        seqPrecacheId(pDudeInfo->seqStartID+9);
        seqPrecacheId(pDudeInfo->seqStartID+13);
        seqPrecacheId(pDudeInfo->seqStartID+14);
        seqPrecacheId(pDudeInfo->seqStartID+15);
        break;
    case kDudeZombieButcher:
    case kDudeGillBeast:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        seqPrecacheId(pDudeInfo->seqStartID+8);
        seqPrecacheId(pDudeInfo->seqStartID+9);
        seqPrecacheId(pDudeInfo->seqStartID+10);
        seqPrecacheId(pDudeInfo->seqStartID+11);
        break;
    case kDudeGargoyleStatueFlesh:
    case kDudeGargoyleStatueStone:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+6);
        fallthrough__;
    case kDudeGargoyleFlesh:
    case kDudeGargoyleStone:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        seqPrecacheId(pDudeInfo->seqStartID+8);
        seqPrecacheId(pDudeInfo->seqStartID+9);
        break;
    case kDudePhantasm:
    case kDudeHellHound:
    case kDudeSpiderBrown:
    case kDudeSpiderRed:
    case kDudeSpiderBlack:
    case kDudeSpiderMother:
    case kDudeTchernobog:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        seqPrecacheId(pDudeInfo->seqStartID+8);
        break;
    case kDudeCerberusTwoHead:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        fallthrough__;
    case kDudeHand:
    case kDudeBoneEel:
    case kDudeBat:
    case kDudeRat:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        break;
    case kDudeCultistBeast:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        break;
    case kDudeZombieAxeBuried:
        seqPrecacheId(pDudeInfo->seqStartID+12);
        seqPrecacheId(pDudeInfo->seqStartID+9);
        fallthrough__;
    case kDudeZombieAxeLaying:
        seqPrecacheId(pDudeInfo->seqStartID+10);
        fallthrough__;
    case kDudeZombieAxeNormal:
        seqPrecacheId(pDudeInfo->seqStartID+6);
        seqPrecacheId(pDudeInfo->seqStartID+7);
        seqPrecacheId(pDudeInfo->seqStartID+8);
        seqPrecacheId(pDudeInfo->seqStartID+11);
        seqPrecacheId(pDudeInfo->seqStartID+13);
        seqPrecacheId(pDudeInfo->seqStartID+14);
        break;
    }
}

void PrecacheThing(spritetype *pSprite) {
    switch (pSprite->type) {
        case kThingGlassWindow: // worthless...
        case kThingFluorescent:
            seqPrecacheId(12);
            break;
        case kThingSpiderWeb:
            seqPrecacheId(15);
            break;
        case kThingMetalGrate:
            seqPrecacheId(21);
            break;
        case kThingFlammableTree:
            seqPrecacheId(25);
            seqPrecacheId(26);
            break;
        case kTrapMachinegun:
            seqPrecacheId(38);
            seqPrecacheId(40);
            seqPrecacheId(28);
            break;
        case kThingObjectGib:
        //case kThingObjectExplode: weird that only gib object is precached and this one is not
            break;
    }
    tilePrecacheTile(pSprite->picnum);
}

void PreloadTiles(void)
{
    nPrecacheCount = 0;
    int skyTile = -1;
    memset(gotpic,0,sizeof(gotpic));
    // Fonts
    for (int i = 0; i < numsectors; i++)
    {
        tilePrecacheTile(sector[i].floorpicnum, 0);
        tilePrecacheTile(sector[i].ceilingpicnum, 0);
        if ((sector[i].ceilingstat&1) != 0 && skyTile == -1)
            skyTile = sector[i].ceilingpicnum;
    }
    for (int i = 0; i < numwalls; i++)
    {
        tilePrecacheTile(wall[i].picnum, 0);
        if (wall[i].overpicnum >= 0)
            tilePrecacheTile(wall[i].overpicnum, 0);
    }
    for (int i = 0; i < kMaxSprites; i++)
    {
        if (sprite[i].statnum < kMaxStatus)
        {
            spritetype *pSprite = &sprite[i];
            switch (pSprite->statnum)
            {
            case kStatDude:
                PrecacheDude(pSprite);
                break;
            case kStatThing:
                PrecacheThing(pSprite);
                break;
            default:
                tilePrecacheTile(pSprite->picnum);
                break;
            }
        }
    }

    // Precache common SEQs
    for (int i = 0; i < 100; i++)
    {
        seqPrecacheId(i);
    }

    tilePrecacheTile(1147); // water drip
    tilePrecacheTile(1160); // blood drip

    // Player SEQs
    seqPrecacheId(dudeInfo[31].seqStartID+6);
    seqPrecacheId(dudeInfo[31].seqStartID+7);
    seqPrecacheId(dudeInfo[31].seqStartID+8);
    seqPrecacheId(dudeInfo[31].seqStartID+9);
    seqPrecacheId(dudeInfo[31].seqStartID+10);
    seqPrecacheId(dudeInfo[31].seqStartID+14);
    seqPrecacheId(dudeInfo[31].seqStartID+15);
    seqPrecacheId(dudeInfo[31].seqStartID+12);
    seqPrecacheId(dudeInfo[31].seqStartID+16);
    seqPrecacheId(dudeInfo[31].seqStartID+17);
    seqPrecacheId(dudeInfo[31].seqStartID+18);

    if (skyTile > -1 && skyTile < kMaxTiles)
    {
        for (int i = 1; i < gSkyCount; i++)
            tilePrecacheTile(skyTile+i, 0);
    }

    WeaponPrecache();
    viewPrecacheTiles();
    fxPrecache();
    gibPrecache();

    I_GetEvent();
}

void PreloadCache(void)
{
    PreloadTiles();
    ClockTicks clock = totalclock;
    int cnt = 0;
    int percentDisplayed = -1;

    for (int i = 0; i < kMaxTiles && !inputState.GetKeyStatus(sc_Space); i++)
    {
        if (TestBitString(gotpic, i))
        {
            // For the hardware renderer precaching the raw pixel data is pointless.
            if (videoGetRenderMode() < REND_POLYMOST)
                tileLoad(i);

            if (r_precache) PrecacheHardwareTextures(i);

            if ((++cnt & 7) == 0)
                I_GetEvent();
        }
    }
    memset(gotpic,0,sizeof(gotpic));
}

void EndLevel(void)
{
    gViewPos = VIEWPOS_0;
    sndKillAllSounds();
    sfxKillAllSounds();
    ambKillAll();
    seqKillAll();
}


PLAYER gPlayerTemp[kMaxPlayers];
int gHealthTemp[kMaxPlayers];

vec3_t startpos;
int16_t startang, startsectnum;

void StartLevel(GAMEOPTIONS *gameOptions)
{
	STAT_Update(0);
    EndLevel();
    gInput = {};
    gStartNewGame = 0;
    ready2send = 0;
    netWaitForEveryone(0);
    currentLevel = FindMapByLevelNum(levelnum(gGameOptions.nEpisode, gGameOptions.nLevel));

    if (gGameOptions.nGameType == 0)
    {
        if (!(gGameOptions.uGameFlags&1))
            levelSetupOptions(gGameOptions.nEpisode, gGameOptions.nLevel);

        ///////
        gGameOptions.weaponsV10x = gWeaponsV10x;
        ///////
    }
    else if (gGameOptions.nGameType > 0 && !(gGameOptions.uGameFlags&1))
    {
        gGameOptions.nEpisode = gPacketStartGame.episodeId;
        gGameOptions.nLevel = gPacketStartGame.levelId;
        gGameOptions.nGameType = gPacketStartGame.gameType;
        gGameOptions.nDifficulty = gPacketStartGame.difficulty;
        gGameOptions.nMonsterSettings = gPacketStartGame.monsterSettings;
        gGameOptions.nWeaponSettings = gPacketStartGame.weaponSettings;
        gGameOptions.nItemSettings = gPacketStartGame.itemSettings;
        gGameOptions.nRespawnSettings = gPacketStartGame.respawnSettings;
        gGameOptions.bFriendlyFire = gPacketStartGame.bFriendlyFire;
        gGameOptions.bKeepKeysOnRespawn = gPacketStartGame.bKeepKeysOnRespawn;
        if (gPacketStartGame.userMap)
            levelAddUserMap(gPacketStartGame.userMapName);
        else
            levelSetupOptions(gGameOptions.nEpisode, gGameOptions.nLevel);

        ///////
        gGameOptions.weaponsV10x = gPacketStartGame.weaponsV10x;
        ///////

        gBlueFlagDropped = false;
        gRedFlagDropped = false;
    }
    if (gameOptions->uGameFlags&1)
    {
        for (int i = connecthead; i >= 0; i = connectpoint2[i])
        {
            memcpy(&gPlayerTemp[i],&gPlayer[i],sizeof(PLAYER));
            gHealthTemp[i] = xsprite[gPlayer[i].pSprite->extra].health;
        }
    }
    bVanilla = false;
    enginecompatibility_mode = ENGINECOMPATIBILITY_19960925;//bVanilla;
    memset(xsprite,0,sizeof(xsprite));
    memset(sprite,0,kMaxSprites*sizeof(spritetype));
    //drawLoadingScreen();
    if (dbLoadMap(currentLevel->fileName,(int*)&startpos.x,(int*)&startpos.y,(int*)&startpos.z,&startang,&startsectnum,(unsigned int*)&gameOptions->uMapCRC))
    {
        I_Error("Unable to load map");
    }
    SECRET_SetMapName(currentLevel->DisplayName(), currentLevel->name);
	STAT_NewLevel(currentLevel->fileName);
    G_LoadMapHack(currentLevel->fileName);
    wsrand(gameOptions->uMapCRC);
    gKillMgr.Clear();
    gSecretMgr.Clear();
    gLevelTime = 0;
    automapping = 1;
  
    int modernTypesErased = 0;
    for (int i = 0; i < kMaxSprites; i++)
    {
        spritetype *pSprite = &sprite[i];
        if (pSprite->statnum < kMaxStatus && pSprite->extra > 0) {
            
            XSPRITE *pXSprite = &xsprite[pSprite->extra];
            if ((pXSprite->lSkill & (1 << gameOptions->nDifficulty)) || (pXSprite->lS && gameOptions->nGameType == 0)
                || (pXSprite->lB && gameOptions->nGameType == 2) || (pXSprite->lT && gameOptions->nGameType == 3)
                || (pXSprite->lC && gameOptions->nGameType == 1)) {
                
                DeleteSprite(i);
                continue;
            }

            
            #ifdef NOONE_EXTENSIONS
            if (!gModernMap && nnExtEraseModernStuff(pSprite, pXSprite))
               modernTypesErased++;
            #endif
                }
                }
                
    #ifdef NOONE_EXTENSIONS
    if (!gModernMap)
        Printf("> Modern types erased: %d.\n", modernTypesErased);
    #endif

    startpos.z = getflorzofslope(startsectnum,startpos.x,startpos.y);
    for (int i = 0; i < kMaxPlayers; i++) {
        gStartZone[i].x = startpos.x;
        gStartZone[i].y = startpos.y;
        gStartZone[i].z = startpos.z;
        gStartZone[i].sectnum = startsectnum;
        gStartZone[i].ang = startang;

        #ifdef NOONE_EXTENSIONS
        // Create spawn zones for players in teams mode.
        if (gModernMap && i <= kMaxPlayers / 2) {
            gStartZoneTeam1[i].x = startpos.x;
            gStartZoneTeam1[i].y = startpos.y;
            gStartZoneTeam1[i].z = startpos.z;
            gStartZoneTeam1[i].sectnum = startsectnum;
            gStartZoneTeam1[i].ang = startang;

            gStartZoneTeam2[i].x = startpos.x;
            gStartZoneTeam2[i].y = startpos.y;
            gStartZoneTeam2[i].z = startpos.z;
            gStartZoneTeam2[i].sectnum = startsectnum;
            gStartZoneTeam2[i].ang = startang;
        }
        #endif
    }
    InitSectorFX();
    warpInit();
    actInit(false);
    evInit();
    for (int i = connecthead; i >= 0; i = connectpoint2[i])
    {
        if (!(gameOptions->uGameFlags&1))
        {
            if (numplayers == 1)
            {
                gProfile[i].skill = gSkill;
                gProfile[i].nAutoAim = cl_autoaim;
                gProfile[i].nWeaponSwitch = cl_weaponswitch;
            }
            playerInit(i,0);
        }
        playerStart(i, 1);
    }
    if (gameOptions->uGameFlags&1)
    {
        for (int i = connecthead; i >= 0; i = connectpoint2[i])
        {
            PLAYER *pPlayer = &gPlayer[i];
            pPlayer->pXSprite->health &= 0xf000;
            pPlayer->pXSprite->health |= gHealthTemp[i];
            pPlayer->weaponQav = gPlayerTemp[i].weaponQav;
            pPlayer->curWeapon = gPlayerTemp[i].curWeapon;
            pPlayer->weaponState = gPlayerTemp[i].weaponState;
            pPlayer->weaponAmmo = gPlayerTemp[i].weaponAmmo;
            pPlayer->qavCallback = gPlayerTemp[i].qavCallback;
            pPlayer->qavLoop = gPlayerTemp[i].qavLoop;
            pPlayer->weaponTimer = gPlayerTemp[i].weaponTimer;
            pPlayer->nextWeapon = gPlayerTemp[i].nextWeapon;
        }
    }
    gameOptions->uGameFlags &= ~3;
    PreloadCache();
    InitMirrors();
    gFrameClock = 0;
    trInit();
    if (!bVanilla && !gMe->packSlots[1].isActive) // if diving suit is not active, turn off reverb sound effect
        sfxSetReverb(0);
    ambInit();
    netReset();
    gFrame = 0;
    gChokeCounter = 0;
	M_ClearMenus();
    // viewSetMessage("");
    viewSetErrorMessage("");
    netWaitForEveryone(0);
    totalclock = 0;
    paused = 0;
    ready2send = 1;
}


bool gRestartGame = false;

void ProcessFrame(void)
{
    char buffer[128];
    for (int i = connecthead; i >= 0; i = connectpoint2[i])
    {
        gPlayer[i].input.buttonFlags = gFifoInput[gNetFifoTail&255][i].buttonFlags;
        gPlayer[i].input.keyFlags.word |= gFifoInput[gNetFifoTail&255][i].keyFlags.word;
        gPlayer[i].input.useFlags.byte |= gFifoInput[gNetFifoTail&255][i].useFlags.byte;
        if (gFifoInput[gNetFifoTail&255][i].newWeapon)
            gPlayer[i].input.newWeapon = gFifoInput[gNetFifoTail&255][i].newWeapon;
        gPlayer[i].input.forward = gFifoInput[gNetFifoTail&255][i].forward;
        gPlayer[i].input.q16turn = gFifoInput[gNetFifoTail&255][i].q16turn;
        gPlayer[i].input.strafe = gFifoInput[gNetFifoTail&255][i].strafe;
        gPlayer[i].input.q16mlook = gFifoInput[gNetFifoTail&255][i].q16mlook;
    }
    gNetFifoTail++;
#if 0
    if (!(gFrame&7))
    {
        CalcGameChecksum();
        memcpy(gCheckFifo[gCheckHead[myconnectindex]&255][myconnectindex], gChecksum, sizeof(gChecksum));
        gCheckHead[myconnectindex]++;
    }
#endif
    for (int i = connecthead; i >= 0; i = connectpoint2[i])
    {
        if (gPlayer[i].input.keyFlags.quit)
        {
            gPlayer[i].input.keyFlags.quit = 0;
            netBroadcastPlayerLogoff(i);
            if (i == myconnectindex)
            {
                // netBroadcastMyLogoff(gQuitRequest == 2);
                gQuitGame = true;
                gRestartGame = gQuitRequest == 2;
                netDeinitialize();
                netResetToSinglePlayer();
                return;
            }
        }
        if (gPlayer[i].input.keyFlags.restart)
        {
            gPlayer[i].input.keyFlags.restart = 0;
            levelRestart();
            return;
        }
        if (gPlayer[i].input.keyFlags.pause)
        {
            gPlayer[i].input.keyFlags.pause = 0;
            if (paused && gGameOptions.nGameType > 0 && numplayers > 1)
            {
                sprintf(buffer,"%s paused the game",gProfile[i].name);
                viewSetMessage(buffer);
            }
        }
    }
    viewClearInterpolations();
    {
        if (paused || gEndGameMgr.at0 || (gGameOptions.nGameType == 0 && M_Active()))
            return;
    }
    for (int i = connecthead; i >= 0; i = connectpoint2[i])
    {
        viewBackupView(i);
        playerProcess(&gPlayer[i]);
    }
    trProcessBusy();
    evProcess((int)gFrameClock);
    seqProcess(4);
    DoSectorPanning();
    actProcessSprites();
    actPostProcess();
#ifdef POLYMER
    G_RefreshLights();
#endif
    viewCorrectPrediction();
    ambProcess();
    viewUpdateDelirium();
    viewUpdateShake();
    sfxUpdate3DSounds();
    if (gMe->hand == 1)
    {
        const int CHOKERATE = 8;
        const int COUNTRATE = 30;
        gChokeCounter += CHOKERATE;
        while (gChokeCounter >= COUNTRATE)
        {
            gChoke.at1c(gMe);
            gChokeCounter -= COUNTRATE;
        }
    }
    gLevelTime++;
    gFrame++;
    gFrameClock += 4;
    if ((gGameOptions.uGameFlags&1) != 0 && !gStartNewGame)
    {
        ready2send = 0;
#if 0
        if (gNetPlayers > 1 && gNetMode == NETWORK_SERVER && gPacketMode == PACKETMODE_1 && myconnectindex == connecthead)
        {
            while (gNetFifoMasterTail < gNetFifoTail)
            {
                netGetPackets();
                h andleevents();
                netMasterUpdate();
            }
        }
#endif
        seqKillAll();
        if (gGameOptions.uGameFlags&2)
        {
            STAT_Update(true);
            if (gGameOptions.nGameType == 0)
            {
				auto completion = [] (bool) {
					gamestate = GS_MENUSCREEN;
					M_StartControlPanel(false);
                    M_SetMenu(NAME_Mainmenu);
                    M_SetMenu(NAME_CreditsMenu);
					gGameOptions.uGameFlags &= ~3;
					gQuitGame = 1;
				};
				
                if (gGameOptions.uGameFlags&8)
				{
                    levelPlayEndScene(gGameOptions.nEpisode, completion);
				}
				else completion(false);
            }
			else
			{
				gGameOptions.uGameFlags &= ~3;
				gRestartGame = 1;
				gQuitGame = 1;
			}
        }
        else
        {
            gEndGameMgr.Setup();
        }
    }
}



void ParseOptions(void)
{

}

void ClockStrobe()
{
    //gGameClock++;
}

void ReadAllRFS();

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",
    "Toggle_Crosshair",
    "Dpad_Select",
    "Dpad_Aiming",
    "Third_Person_View",
    "Toggle_Crouch",
};

static void app_init()
{
    InitCheats();
    buttonMap.SetButtons(actions, NUM_ACTIONS);
    memcpy(&gGameOptions, &gSingleGameOptions, sizeof(GAMEOPTIONS));
    gGameOptions.nMonsterSettings = !userConfig.nomonsters;
    bQuickStart = userConfig.nologo;
    ReadAllRFS();

    HookReplaceFunctions();

    Printf("Initializing Build 3D engine\n");
    engineInit();

    Printf("Loading tiles\n");
    if (!tileInit(0, NULL))
        I_FatalError("TILES###.ART files not found");

    levelLoadDefaults();

    loaddefinitionsfile(BLOODWIDESCREENDEF);
    loaddefinitions_game(BLOODWIDESCREENDEF, FALSE);

    const char* defsfile = G_DefFile();
    uint32_t stime = timerGetTicks();
    if (!loaddefinitionsfile(defsfile))
    {
        uint32_t etime = timerGetTicks();
        Printf("Definitions file \"%s\" loaded in %d ms.\n", defsfile, etime - stime);
    }
    loaddefinitions_game(defsfile, FALSE);
    powerupInit();
    Printf("Loading cosine table\n");
    trigInit();
    Printf("Initializing view subsystem\n");
    viewInit();
    Printf("Initializing dynamic fire\n");
    FireInit();
    Printf("Initializing weapon animations\n");
    WeaponInit();
    LoadSaveSetup();
    LoadSavedInfo();
    Printf("Loading control setup\n");
    ctrlInit();
    timerInit(120);
    timerSetCallback(ClockStrobe);

    Printf("Initializing network users\n");
    netInitialize(true);
    videoInit();
    Printf("Initializing sound system\n");
    sndInit();
    registerosdcommands();
    registerinputcommands();

    gChoke.sub_83ff0(518, sub_84230);
    if (bAddUserMap)
    {
        levelAddUserMap(gUserMapFilename);
        gStartNewGame = 1;
    }
    videoSetViewableArea(0, 0, xdim - 1, ydim - 1);
    UpdateDacs(0, true);
}

static void gameInit()
{
//RESTART:
    netReset();
    gViewIndex = myconnectindex;
    gMe = gView = &gPlayer[myconnectindex];
    netBroadcastPlayerInfo(myconnectindex);
#if 0
    Printf("Waiting for network players!\n");
    netWaitForEveryone(0);
    if (gRestartGame)
    {
        // Network error
        gQuitGame = false;
        gRestartGame = false;
        netDeinitialize();
        netResetToSinglePlayer();
        goto RESTART;
    }
#endif
	UpdateNetworkMenus();
    gQuitGame = 0;
    gRestartGame = 0;
    if (gGameOptions.nGameType > 0)
    {
        inputState.ClearAllInput();
    }

}

static void gameTicker()
{
    bool gameUpdate = false;
    double const gameUpdateStartTime = timerGetHiTicks();
    while (gPredictTail < gNetFifoHead[myconnectindex] && !paused)
    {
        viewUpdatePrediction(&gFifoInput[gPredictTail & 255][myconnectindex]);
    }
    if (numplayers == 1)
        gBufferJitter = 0;
    while (totalclock >= gNetFifoClock && ready2send)
    {
        gNetInput = gInput;
        gInput = {};
        netGetInput();
        gNetFifoClock += 4;
        while (gNetFifoHead[myconnectindex] - gNetFifoTail > gBufferJitter && !gStartNewGame && !gQuitGame)
        {
            int i;
            for (i = connecthead; i >= 0; i = connectpoint2[i])
                if (gNetFifoHead[i] == gNetFifoTail)
                    break;
            if (i >= 0)
                break;
            ProcessFrame();
            gameUpdate = true;
        }
    }
    if (gameUpdate)
    {
        g_gameUpdateTime = timerGetHiTicks() - gameUpdateStartTime;
        if (g_gameUpdateAvgTime < 0.f)
            g_gameUpdateAvgTime = g_gameUpdateTime;
        g_gameUpdateAvgTime = ((GAMEUPDATEAVGTIMENUMSAMPLES - 1.f) * g_gameUpdateAvgTime + g_gameUpdateTime) / ((float)GAMEUPDATEAVGTIMENUMSAMPLES);
    }
    if (gQuitRequest && gQuitGame)
        videoClearScreen(0);
    else
    {
        netCheckSync();
        viewDrawScreen();
        g_gameUpdateAndDrawTime = g_beforeSwapTime/* timerGetHiTicks()*/ - gameUpdateStartTime;
    }
}

static void drawBackground()
{
    twod->ClearScreen();
	DrawTexture(twod, tileGetTexture(2518, true), 0, 0, DTA_FullscreenEx, FSMode_ScaleToFit43, TAG_DONE);
    if (gQuitRequest && !gQuitGame)
        netBroadcastMyLogoff(gQuitRequest == 2);
}

static void commonTicker(bool &playvideo)
{
    if (TestBitString(gotpic, 2342))
    {
        FireProcess();
        ClearBitString(gotpic, 2342);
    }
    if (gStartNewGame)
    {
        gStartNewGame = false;
        gQuitGame = false;
        auto completion = [](bool = false)
        {
            StartLevel(&gGameOptions);
            levelTryPlayMusicOrNothing(gGameOptions.nEpisode, gGameOptions.nLevel);
            gNetFifoClock = gFrameClock = totalclock;
            gamestate = GS_LEVEL;
        };

        if (gEpisodeInfo[gGameOptions.nEpisode].cutALevel == gGameOptions.nLevel
            && gEpisodeInfo[gGameOptions.nEpisode].cutsceneAName[0])
            levelPlayIntroScene(gGameOptions.nEpisode, completion);
        else 
			completion(false);

    }
    if (gRestartGame)
    {
        Mus_Stop();
        soundEngine->StopAllChannels();
        gQuitGame = 0;
        gQuitRequest = 0;
        gRestartGame = 0;
        levelSetupOptions(0, 0);


        if (gGameOptions.nGameType != 0)
        {
            playvideo = !bQuickStart;
        }
        else playvideo = false;
        gamestate = GS_STARTUP;
    }
}

int GameInterface::app_main()
{
	
    app_init();
    gamestate = GS_STARTUP;
    bool playvideo = !bQuickStart;
    while (true)
    {
       if (gamestate == GS_STARTUP) gameInit();

        commonTicker(playvideo);
        netGetPackets();
        handleevents();
        updatePauseStatus();
        D_ProcessEvents();
        ctrlGetInput();

        switch (gamestate)
        {
			default:
        case GS_STARTUP:
            if (playvideo) playlogos();
				else
				{
					gamestate = GS_MENUSCREEN;
					M_StartControlPanel(false);
					M_SetMenu(NAME_Mainmenu);
				}
            break;

        case GS_MENUSCREEN:
        case GS_FULLCONSOLE:
            drawBackground();
            break;

        case GS_INTRO:
        case GS_INTERMISSION:
            RunScreenJobFrame();	// This handles continuation through its completion callback.
            break;

        case GS_LEVEL:
            gameTicker();
            LocalKeys();
            break;

        case GS_FINALE:
            gEndGameMgr.ProcessKeys();
            gEndGameMgr.Draw();
            break;
        }

        videoNextPage();


    }
    return 0;
}


static int parsedefinitions_game(scriptfile *, int);

static void parsedefinitions_game_include(const char *fileName, scriptfile *pScript, const char *cmdtokptr, int const firstPass)
{
    scriptfile *included = scriptfile_fromfile(fileName);

    if (!included)
    {
        if (!Bstrcasecmp(cmdtokptr,"null") || pScript == NULL) // this is a bit overboard to prevent unused parameter warnings
            {
           // Printf("Warning: Failed including %s as module\n", fn);
            }
/*
        else
            {
            Printf("Warning: Failed including %s on line %s:%d\n",
                       fn, script->filename,scriptfile_getlinum(script,cmdtokptr));
            }
*/
    }
    else
    {
        parsedefinitions_game(included, firstPass);
        scriptfile_close(included);
    }
}


static int parsedefinitions_game(scriptfile *pScript, int firstPass)
{
    int   token;
    char *pToken;

    static const tokenlist tokens[] =
    {
        { "include",         T_INCLUDE          },
        { "#include",        T_INCLUDE          },
        { "includedefault",  T_INCLUDEDEFAULT   },
        { "#includedefault", T_INCLUDEDEFAULT   },
        { "loadgrp",         T_LOADGRP          },
        { "cachesize",       T_CACHESIZE        },
        { "noautoload",      T_NOAUTOLOAD       },
        { "sound",           T_SOUND            },
        //{ "cutscene",        T_CUTSCENE         },
        //{ "animsounds",      T_ANIMSOUNDS       },
        { "renamefile",      T_RENAMEFILE       },
        { "globalgameflags", T_GLOBALGAMEFLAGS  },
        { "rffdefineid",     T_RFFDEFINEID      },
        { "tilefromtexture", T_TILEFROMTEXTURE  },
    };

    static const tokenlist soundTokens[] =
    {
        { "id",       T_ID },
        { "file",     T_FILE },
        { "minpitch", T_MINPITCH },
        { "maxpitch", T_MAXPITCH },
        { "priority", T_PRIORITY },
        { "type",     T_TYPE },
        { "distance", T_DISTANCE },
        { "volume",   T_VOLUME },
    };

#if 0
    static const tokenlist animTokens [] =
    {
        { "delay",         T_DELAY },
        { "aspect",        T_ASPECT },
        { "sounds",        T_SOUND },
        { "forcefilter",   T_FORCEFILTER },
        { "forcenofilter", T_FORCENOFILTER },
        { "texturefilter", T_TEXTUREFILTER },
    };
#endif

    do
    {
        token  = getatoken(pScript, tokens, ARRAY_SIZE(tokens));
        pToken = pScript->ltextptr;

        switch (token)
        {
        case T_LOADGRP:
        {
            char *fileName;

            if (!scriptfile_getstring(pScript,&fileName) && firstPass)
            {
				fileSystem.AddAdditionalFile(fileName);
            }
        }
        break;
        case T_CACHESIZE:
        {
            int32_t cacheSize;

            if (scriptfile_getnumber(pScript, &cacheSize) || !firstPass)
                break;
        }
        break;
        case T_INCLUDE:
        {
            char *fileName;

            if (!scriptfile_getstring(pScript, &fileName))
                parsedefinitions_game_include(fileName, pScript, pToken, firstPass);

            break;
        }
        case T_INCLUDEDEFAULT:
        {
            parsedefinitions_game_include(G_DefaultDefFile(), pScript, pToken, firstPass);
            break;
        }
        case T_NOAUTOLOAD:
            if (firstPass)
                gNoAutoLoad = true;
            break;
        case T_RFFDEFINEID:
        {
            char *resName = NULL;
            char *resType = NULL;
            char *rffName = NULL;
            int resID;

            if (scriptfile_getstring(pScript, &resName))
                break;

            if (scriptfile_getstring(pScript, &resType))
                break;

            if (scriptfile_getnumber(pScript, &resID))
                break;

            if (scriptfile_getstring(pScript, &rffName))
                break;

            if (!firstPass)
            {
				FStringf name("%s.%s", resName, resType);
				fileSystem.CreatePathlessCopy(resName, resID, 0);
            }
        }
        break;

        case T_TILEFROMTEXTURE:
        {
            char *texturetokptr = pScript->ltextptr, *textureend;
            int32_t tile = -1;
            int32_t havesurface = 0, havevox = 0, haveview = 0, haveshade = 0;
            int32_t surface = 0, vox = 0, view = 0, shade = 0;
            int32_t tile_crc32 = 0;
            vec2_t  tile_size{};
            uint8_t have_crc32 = 0;
            uint8_t have_size = 0;

            static const tokenlist tilefromtexturetokens[] =
            {
                { "surface", T_SURFACE },
                { "voxel",   T_VOXEL },
                { "ifcrc",   T_IFCRC },
                { "view",    T_VIEW },
                { "shade",   T_SHADE },
            };

            if (scriptfile_getsymbol(pScript,&tile)) break;
            if (scriptfile_getbraces(pScript,&textureend)) break;
            while (pScript->textptr < textureend)
            {
                int32_t token = getatoken(pScript,tilefromtexturetokens,ARRAY_SIZE(tilefromtexturetokens));
                switch (token)
                {
                case T_IFCRC:
                    scriptfile_getsymbol(pScript, &tile_crc32);
                    have_crc32 = 1;
                    break;
                case T_IFMATCH:
                {
                    char *ifmatchend;

                    static const tokenlist ifmatchtokens[] =
                    {
                        { "crc32",           T_CRC32 },
                        { "size",            T_SIZE },
                    };

                    if (scriptfile_getbraces(pScript,&ifmatchend)) break;
                    while (pScript->textptr < ifmatchend)
                    {
                        int32_t token = getatoken(pScript,ifmatchtokens,ARRAY_SIZE(ifmatchtokens));
                        switch (token)
                        {
                        case T_CRC32:
                            scriptfile_getsymbol(pScript, &tile_crc32);
                            have_crc32 = 1;
                            break;
                        case T_SIZE:
                            scriptfile_getsymbol(pScript, &tile_size.x);
                            scriptfile_getsymbol(pScript, &tile_size.y);
                            have_size = 1;
                            break;
                        default:
                            break;
                        }
                    }
                    break;
                }
                case T_SURFACE:
                    havesurface = 1;
                    scriptfile_getsymbol(pScript, &surface);
                    break;
                case T_VOXEL:
                    havevox = 1;
                    scriptfile_getsymbol(pScript, &vox);
                    break;
                case T_VIEW:
                    haveview = 1;
                    scriptfile_getsymbol(pScript, &view);
                    break;
                case T_SHADE:
                    haveshade = 1;
                    scriptfile_getsymbol(pScript, &shade);
                    break;
                }
            }

            if (!firstPass)
            {
                if (EDUKE32_PREDICT_FALSE((unsigned)tile >= MAXUSERTILES))
                {
                    Printf("Error: missing or invalid 'tile number' for texture definition near line %s:%d\n",
                               pScript->filename, scriptfile_getlinum(pScript,texturetokptr));
                    break;
                }

                if (have_crc32)
                {
                    int32_t const orig_crc32 = tileGetCRC32(tile);
                    if (orig_crc32 != tile_crc32)
                    {
                        // Printf("CRC32 of tile %d doesn't match! CRC32: %d, Expected: %d\n", tile, orig_crc32, tile_crc32);
                        break;
                    }
                }

                if (have_size)
                {
                    vec2_16_t const orig_size = tilesiz[tile];
                    if (orig_size.x != tile_size.x && orig_size.y != tile_size.y)
                    {
                        // Printf("Size of tile %d doesn't match! Size: (%d, %d), Expected: (%d, %d)\n", tile, orig_size.x, orig_size.y, tile_size.x, tile_size.y);
                        break;
                    }
                }

                if (havesurface)
                    surfType[tile] = surface;
                if (havevox)
                    voxelIndex[tile] = vox;
                if (haveshade)
                    tileShade[tile] = shade;
                if (haveview)
                    picanm[tile].extra = view&7;
            }
        }
        break;

        case T_GLOBALGAMEFLAGS: scriptfile_getnumber(pScript, &blood_globalflags); break;
        case T_EOF: return 0;
        default: break;
        }
    }
    while (1);

    return 0;
}

int loaddefinitions_game(const char *fileName, int32_t firstPass)
{
    scriptfile *pScript = scriptfile_fromfile(fileName);

    if (pScript)
        parsedefinitions_game(pScript, firstPass);

    if (userConfig.AddDefs) for (auto & m : *userConfig.AddDefs)
        parsedefinitions_game_include(m, NULL, "null", firstPass);

    if (pScript)
        scriptfile_close(pScript);

    scriptfile_clearsymbols();

    return 0;
}

bool DemoRecordStatus(void) {
    return false;
}

bool VanillaMode() {
    return false;
}

int sndTryPlaySpecialMusic(int nMusic)
{
    if (Mus_Play(nullptr, quoteMgr.GetQuote(nMusic), true))
    {
        return 0;
    }
    return 1;
}

void sndPlaySpecialMusicOrNothing(int nMusic)
{
    if (sndTryPlaySpecialMusic(nMusic))
    {
        Mus_Stop();
    }
}

extern  IniFile* BloodINI;
void GameInterface::FreeGameData()
{
    if (BloodINI) delete BloodINI;
    netDeinitialize();
}

ReservedSpace GameInterface::GetReservedScreenSpace(int viewsize)
{
    int top = 0;
    if (gGameOptions.nGameType > 0 && gGameOptions.nGameType <= 3)
    {
        top = (tilesiz[2229].y * ((gNetPlayers + 3) / 4));
    }
    return { top, 25 };
}


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

END_BLD_NS