(*

 * Hedgewars, a worms-like game

 * Copyright (c) 2004-2007 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * This program 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; version 2 of the License

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA

 *)

unit uConsts;

interface

uses SDLh, GL, uLocale;

{$INCLUDE options.inc}

{$INCLUDE proto.inc}

type

     TGameState = (gsLandGen, gsStart, gsGame, gsConsole, gsExit);

     TGameType  = (gmtLocal, gmtDemo, gmtNet, gmtSave, gmtLandPreview);

     TPathType  = (ptNone, ptData, ptGraphics, ptThemes, ptCurrTheme, ptTeams, ptMaps,

                   ptMapCurrent, ptDemos, ptSounds, ptGraves, ptFonts, ptForts,

                   ptLocale, ptAmmoMenu, ptVoices);

     TSprite    = (sprWater, sprCloud, sprBomb, sprBigDigit, sprFrame,

                   sprLag, sprArrow, sprGrenade, sprTargetP, sprUFO,

                   sprSmokeTrace, sprRopeHook, sprExplosion50, sprMineOff,

                   sprMineOn, sprCase, sprFAid, sprDynamite, sprPower,

                   sprClusterBomb, sprClusterParticle, sprFlame, sprHorizont,

                   sprSky, sprAMBorders, sprAMSlot, sprAMSlotName, sprAMAmmos,

                   sprAMSlotKeys, sprAMSelection, sprFinger, sprAirBomb,

                   sprAirplane, sprAmAirplane, sprAmGirder, sprHHTelepMask,

                   sprSwitch, sprParachute, sprTarget, sprRopeNode, sprConsoleBG,

                   sprQuestion, sprPowerBar, sprWindBar,

                   sprWindL, sprWindR);

                   gtGrave, gtUFO, gtShotgunShot, gtPickHammer, gtRope,

                   gtSmokeTrace, gtExplosion, gtMine, gtCase, gtDEagleShot, gtDynamite,

                   gtTeamHealthSorter, gtClusterBomb, gtCluster, gtShover, gtFlame,

                   gtFirePunch, gtATStartGame, gtATSmoothWindCh, gtATFinishGame,

                   gtParachute, gtAirAttack, gtAirBomb, gtBlowTorch, gtGirder,

                   gtTeleport, gtSmallDamage, gtSwitcher, gtTarget);

     TGearsType = set of TGearType;

     TSound     = (sndGrenadeImpact, sndExplosion, sndThrowPowerUp, sndThrowRelease,

                   sndSplash, sndShotgunReload, sndShotgunFire, sndGraveImpact,

                   sndMineTick, sndPickhammer, sndGun, sndUFO, sndJump1, sndJump2,

                   sndJump3, sndYesSir, sndLaugh, sndIllGetYou, sndIncoming);

     TAmmoType  = (amGrenade, amClusterBomb, amBazooka, amUFO, amShotgun, amPickHammer,

                   amSkip, amRope, amMine, amDEagle, amDynamite, amFirePunch,

                   amBaseballBat, amParachute, amAirAttack, amMineStrike, amBlowTorch,

                   amGirder, amTeleport, amSwitch);

     THWFont    = (fnt16, fntBig, fntSmall);

     TCapGroup  = (capgrpGameState, capgrpAmmoinfo, capgrpNetSay, capgrpVolume);

     TStatInfoType = (siGameResult, siMaxStepDamage, siKilledHHs);

     THHFont    = record

                  Handle: PTTF_Font;

                  Height: LongInt;

                  style: LongInt;

                  Name: string[15];

                  end;

     TAmmo = record

             Propz: LongWord;

             Count: LongWord;

             NumPerTurn: LongWord;

             Timer: LongWord;

             Pos: LongWord;

             AmmoType: TAmmoType;

             end;

     TTexture = record

                id: GLuint;

                w, h: LongInt;

                end;

     PTexture = ^TTexture;

const

      errmsgCreateSurface   = 'Error creating SDL surface';

      errmsgTransparentSet  = 'Error setting transparent color';

      errmsgUnknownCommand  = 'Unknown command';

      errmsgUnknownVariable = 'Unknown variable';

      errmsgIncorrectUse    = 'Incorrect use';

      errmsgShouldntRun     = 'This program shouldn''t be run manually';

      errmsgWrongNumber     = 'Wrong parameters number';

      msgLoading           = 'Loading ';

      msgOK                = 'ok';

      msgFailed            = 'failed';

      msgGettingConfig     = 'Getting game config...';

const

      cMaxPower     = 1500;

      cMaxAngle     = 2048;

      cPowerDivisor = 1500;

      MAXNAMELEN = 32;

      COLOR_LAND = $00FFFFFF;

      cifRandomize = $00000001;

      cifTheme     = $00000002;

      cifMap       = $00000002; // either theme or map (or map+theme)

      cifAllInited = cifRandomize or

                     cifTheme or

                     cifMap;

      cTransparentColor: Longword = $000000;

      cMaxTeams        = 6;

      cMaxHHIndex      = 7;

      cMaxHHs          = 30;

      cMaxSpawnPoints  = 1024;

      cMaxEdgePoints = 16384;

      cHHRadius = 9;

      cHHStepTicks = 38;

      cHHZ = 1000;

      cCurrHHZ = Succ(cHHZ);

      cShotgunRadius = 22;

      cBlowTorchC    = 6;

      cKeyMaxIndex = 1023;

      cMaxCaptions = 4;

      gfForts       = $00000001;

      gfMultiWeapon = $00000002;

      gfSolidLand   = $00000004;

      gfOneClanMode = $10000000;

      gstDrowning       = $00000001;

      gstHHDriven       = $00000002;

      gstMoving         = $00000004;

      gstAttacked       = $00000008;

      gstAttacking      = $00000010;

      gstCollision      = $00000020;

      gstHHChooseTarget = $00000040;

      gstHHJumping      = $00000100;

      gsttmpFlag        = $00000200;

      gstHHThinking     = $00000800;

      gstNoDamage       = $00001000;

      gstHHHJump        = $00002000;

      gstAnimation      = $00004000;

      gm_Left   = $00000001;

      gm_Right  = $00000002;

      gm_Up     = $00000004;

      gm_Down   = $00000008;

      gm_Switch = $00000010;

      gm_Attack = $00000020;

      gm_LJump  = $00000040;

      gm_HJump  = $00000080;

      gm_Destroy= $00000100;

      gm_Slot   = $00000200; // with param

      gm_Weapon = $00000400; // with param

      cMaxSlotIndex       = 8;

      cMaxSlotAmmoIndex   = 2;

      ammoprop_Timerable    = $00000001;

      ammoprop_Power        = $00000002;

      ammoprop_NeedTarget   = $00000004;

      ammoprop_ForwMsgs     = $00000008;

      ammoprop_AttackInMove = $00000010;

      ammoprop_NoCrosshair  = $00000040;

      ammoprop_AttackingPut = $00000080;

      ammoprop_DontHold     = $00000100;

      AMMO_INFINITE = High(LongWord);

      EXPLAllDamageInRadius = $00000001;

      EXPLAutoSound         = $00000002;

      EXPLNoDamage          = $00000004;

      EXPLDoNotTouchHH      = $00000008;

      EXPLDontDraw          = $00000010;

      posCaseAmmo    = $00000001;

      posCaseHealth  = $00000002;

      NoPointX = Low(LongInt);

      cHHFileName   = 'Hedgehog';

      cCHFileName   = 'Crosshair';

      cThemeCFGFilename = 'theme.cfg';

      Fontz: array[THWFont] of THHFont = (

                                         (Handle: nil;

                                          Height: 12;

                                          style: TTF_STYLE_NORMAL;

                                          Name: 'DejaVuSans.ttf'),

                                         (Handle: nil;

                                          Height: 24;

                                          style: TTF_STYLE_NORMAL;

                                          Name: 'DejaVuSans.ttf'),

                                         (Handle: nil;

                                          Height: 10;

                                          style: TTF_STYLE_NORMAL;

                                          Name: 'DejaVuSans.ttf')

                                         );

      FontBorder = 2;

      PathPrefix: string = './';

      Pathz: array[TPathType] of string      = (

                                               '',                              // ptNone      

                                               '',                              // ptData

                                               'Graphics',                      // ptGraphics

                                               'Themes',                        // ptThemes

                                               'Themes/avematan',               // ptCurrTheme

                                               'Teams',                         // ptTeams

                                               'Maps',                          // ptMaps

                                               '',                              // ptMapCurrent

                                               'Demos',                         // ptDemos

                                               'Sounds',                        // ptSounds

                                               'Graphics/Graves',               // ptGraves

                                               'Fonts',                         // ptFonts

                                               'Forts',                         // ptForts

                                               'Locale',                        // ptLocale

                                               'Graphics/AmmoMenu',             // ptAmmoMenu

                                               'Sounds/voices'                  // ptVoices

                                               );

      SpritesData: array[TSprite] of record

                     FileName: String[31];

                     Path, AltPath: TPathType;

                     Texture: PTexture;

                     Surface: PSDL_Surface;

                     Width, Height: LongInt;

                     saveSurf: boolean;

                     end = (

                     (FileName:  'BlueWater'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 256; Height: 32; saveSurf: false),// sprWater

                     (FileName: 'Clouds'; Path: ptCurrTheme;AltPath: ptGraphics; Texture: nil; Surface: nil;

                      Width: 256; Height:128; saveSurf: false),// sprCloud

                     (FileName:       'Bomb'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   8; Height:  8; saveSurf: false),// sprBomb

                     (FileName:  'BigDigits'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprBigDigit

                     (FileName:      'Frame'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   4; Height: 32; saveSurf: false),// sprFrame

                     (FileName:        'Lag'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  65; Height: 65; saveSurf: false),// sprLag

                     (FileName:      'Arrow'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprCursor

                     (FileName:    'Grenade'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprGrenade

                     (FileName:    'Targetp'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprTargetP

                     (FileName:        'UFO'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprUFO

                     (FileName: 'SmokeTrace'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprSmokeTrace

                     (FileName:   'RopeHook'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprRopeHook

                     (FileName:     'Expl50'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  64; Height: 64; saveSurf: false),// sprExplosion50

                     (FileName:    'MineOff'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   8; Height:  8; saveSurf: false),// sprMineOff

                     (FileName:     'MineOn'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   8; Height:  8; saveSurf: false),// sprMineOn

                     (FileName:       'Case'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprCase

                     (FileName:   'FirstAid'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  48; Height: 48; saveSurf: false),// sprFAid

                     (FileName:   'dynamite'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprDynamite

                     (FileName:      'Power'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprPower

                     (FileName:     'ClBomb'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprClusterBomb

                     (FileName: 'ClParticle'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprClusterParticle

                     (FileName:      'Flame'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprFlame

                     (FileName:   'horizont'; Path: ptCurrTheme;AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   0; Height:  0; saveSurf: false),// sprHorizont

                     (FileName:        'Sky'; Path: ptCurrTheme;AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   0; Height:  0; saveSurf: false),// sprSky

                     (FileName:  'BrdrLines'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 202; Height:  1; saveSurf: false),// sprAMBorders

                     (FileName:       'Slot'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 202; Height: 33; saveSurf: false),// sprAMSlot

                     (FileName:   'AmmoName'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 202; Height: 33; saveSurf: false),// sprAMSlotName

                     (FileName:      'Ammos'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprAMAmmos

                     (FileName:   'SlotKeys'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprAMSlotKeys

                     (FileName:  'Selection'; Path: ptAmmoMenu; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprAMSelection

                     (FileName:     'Finger'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 48; saveSurf: false),// sprFinger

                     (FileName:    'AirBomb'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  16; Height: 16; saveSurf: false),// sprAirBomb

                     (FileName:   'Airplane'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 125; Height: 42; saveSurf: false),// sprAirplane

                     (FileName: 'amAirplane'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  64; Height: 32; saveSurf: false),// sprAmAirplane

                     (FileName:   'amGirder'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 160; Height:160; saveSurf:  true),// sprAmGirder

                     (FileName:     'hhMask'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf:  true),// sprHHTelepMask

                     (FileName:     'Switch'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprSwitch

                     (FileName:  'Parachute'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  48; Height: 48; saveSurf: false),// sprParachute

                     (FileName:     'Target'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprTarget

                     (FileName:   'RopeNode'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:   6; Height:  6; saveSurf: false),// sprRopeNode

                     (FileName:    'Console'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 256; Height:256; saveSurf: false),// sprConsoleBG

                     (FileName:   'thinking'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  32; Height: 32; saveSurf: false),// sprQuestion

                     (FileName:   'PowerBar'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 256; Height: 32; saveSurf: false),// sprPowerBar

                     (FileName:    'WindBar'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width: 151; Height: 17; saveSurf: false),// sprWindBar

                     (FileName:      'WindL'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  80; Height: 13; saveSurf: false),// sprWindL

                     (FileName:      'WindR'; Path: ptGraphics; AltPath: ptNone; Texture: nil; Surface: nil;

                      Width:  80; Height: 13; saveSurf: false) // sprWindR

                     );

      Soundz: array[TSound] of record

                FileName: String[31];

                Path    : TPathType;

                id      : PMixChunk;

                lastChan: LongInt;

                end = (

                (FileName: 'grenadeimpact.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndGrenadeImpact

                (FileName:     'explosion.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndExplosion

                (FileName:  'throwpowerup.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndThrowPowerUp

                (FileName:  'throwrelease.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndThrowRelease

                (FileName:        'splash.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndSplash

                (FileName: 'shotgunreload.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndShotgunReload

                (FileName:   'shotgunfire.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndShotgunFire

                (FileName:   'graveimpact.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndGraveImpact

                (FileName:      'minetick.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndMineTicks

                (FileName:    'pickhammer.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndPickhammer

                (FileName:           'gun.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndGun

                (FileName:           'ufo.ogg'; Path: ptSounds; id: nil; lastChan: 0),// sndUFO

                (FileName:         'Jump1.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndJump1

                (FileName:         'Jump2.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndJump2

                (FileName:         'Jump3.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndJump3

                (FileName:        'Yessir.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndYesSir

                (FileName:         'Laugh.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndLaugh

                (FileName:     'Illgetyou.ogg'; Path: ptVoices; id: nil; lastChan: 0),// sndIllGetYou

                (FileName:      'Incoming.ogg'; Path: ptVoices; id: nil; lastChan: 0) // sndIncoming

);

      Ammoz: array [TAmmoType] of record

                                  NameId: TAmmoStrId;

                                  Probability, NumberInCase: Longword;

                                  Ammo: TAmmo;

                                  Slot: 0..cMaxSlotIndex;

                                  TimeAfterTurn: Longword;

                                  minAngle, maxAngle: Longword;

                                  PosCount: Longword;

                                  PosSprite: TSprite;

                                  end = (

                                  (NameId: sidGrenade;

                                   Probability: 0;

                                   NumberInCase: 1;

                                   Ammo: (Propz: ammoprop_Timerable or

                                                 ammoprop_Power;

                                          Count: AMMO_INFINITE;

                                          NumPerTurn: 0;

                                          Timer: 3000;

                                          Pos: 0;

                                          AmmoType: amGrenade);

                                   Slot: 1;

                                   TimeAfterTurn: 3000;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidClusterBomb;

                                   Probability: 100;

                                   NumberInCase: 3;

                                   Ammo: (Propz: ammoprop_Timerable or

                                                 ammoprop_Power;

                                          Count: 5;

                                          NumPerTurn: 0;

                                          Timer: 3000;

                                          Pos: 0;

                                          AmmoType: amClusterBomb);

                                   Slot: 1;

                                   TimeAfterTurn: 3000;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidBazooka;

                                   Probability: 0;

                                   NumberInCase: 1;

                                   Ammo: (Propz: ammoprop_Power;

                                          Count: AMMO_INFINITE;

                                          NumPerTurn: 0;

                                          Timer: 0;

                                          Pos: 0;

                                          AmmoType: amBazooka);

                                   Slot: 0;

                                   TimeAfterTurn: 3000;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidUFO;

                                   Probability: 100;

                                   NumberInCase: 1;

                                   Ammo: (Propz: ammoprop_Power or

                                                 ammoprop_NeedTarget or

                                                 ammoprop_DontHold;

                                          Count: 2;

                                          NumPerTurn: 0;

                                          Timer: 0;

                                          Pos: 0;

                                          AmmoType: amUFO);

                                   Slot: 0;

                                   TimeAfterTurn: 3000;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidShotgun;

                                   Probability: 0;

                                   NumberInCase: 1;

                                   Ammo: (Propz: ammoprop_ForwMsgs;

                                          Count: AMMO_INFINITE;

                                          NumPerTurn: 1;

                                          Timer: 0;

                                          Pos: 0;

                                          AmmoType: amShotgun);

                                   Slot: 2;

                                   TimeAfterTurn: 3000;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidPickHammer;

                                   Probability: 0;

                                   NumberInCase: 1;

                                   Ammo: (Propz: ammoprop_ForwMsgs or

                                                 ammoprop_AttackInMove or

                                                 ammoprop_NoCrosshair or

                                                 ammoprop_DontHold;

                                          Count: 2;

                                          NumPerTurn: 0;

                                          Timer: 0;

                                          Pos: 0;

                                          AmmoType: amPickHammer);

                                   Slot: 6;

                                   TimeAfterTurn: 0;

                                   minAngle: 0;

                                   maxAngle: 0;

                                   PosCount: 1;

                                   PosSprite: sprWater),

                                  (NameId: sidSkip;