(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2008 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

 *)

{$INCLUDE "options.inc"}

unit uConsts;

interface

uses    SDLh, uFloat, uLocale, GLunit;

{$INCLUDE "config.inc"}

// typed const is a variable despite const qualifier

// in freepascal you may actually use var for the same purpose

type

    HwColor4f = record

        r, g, b, a: byte

        end;

    TGameState = (gsLandGen, gsStart, gsGame, gsChat, gsConfirm, gsExit);

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

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

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

            ptLocale, ptAmmoMenu, ptHedgehog, ptVoices, ptHats, ptFlags);

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

            sprLag, sprArrow, sprGrenade, sprTargetP, sprBee,

            sprSmokeTrace, sprRopeHook, sprExplosion50, sprMineOff,

            sprMineOn, sprMineDead, sprCase, sprFAid, sprDynamite, sprPower,

            sprClusterBomb, sprClusterParticle, sprFlame, sprHorizont,

            sprHorizontL, sprHorizontR, sprSky, sprSkyL,

            sprSkyR, sprAMBorderHorizontal, sprAMBorderVertical, sprAMSlot, sprAMAmmos,

            sprAMSlotKeys, sprAMCorners, sprFinger, sprAirBomb,

            sprAirplane, sprAmAirplane, sprAmGirder, sprHHTelepMask,

            sprSwitch, sprParachute, sprTarget, sprRopeNode,

            sprQuestion, sprPowerBar, sprWindBar, sprWindL, sprWindR,

            sprFlake, sprHandRope, sprHandBazooka, sprHandShotgun,

            sprHandDEagle, sprHandAirAttack, sprHandBaseball, sprPHammer,

            sprHandBlowTorch, sprBlowTorch, sprTeleport, sprHHDeath,

            sprShotgun, sprDEagle, sprHHIdle, sprMortar, sprTurnsLeft,

            sprKamikaze, sprWhip, sprKowtow, sprSad, sprWave,

            sprHurrah, sprLemonade, sprShrug, sprJuggle, sprExplPart, sprExplPart2,

            sprCakeWalk, sprCakeDown, sprAMAmmosBW, sprWatermelon,

            sprEvilTrace, sprHellishBomb, sprSeduction, sprDress,

            sprCensored, sprDrill, sprHandDrill, sprHandBallgun, sprBalls,

            sprPlane, sprHandPlane, sprUtility, sprInvulnerable, sprVampiric, sprGirder,

            sprSpeechCorner, sprSpeechEdge, sprSpeechTail,

            sprThoughtCorner, sprThoughtEdge, sprThoughtTail,

            sprShoutCorner, sprShoutEdge, sprShoutTail,

            sprSniperRifle, sprBubbles, sprJetpack, sprHealth, sprHandMolotov, sprMolotov,

            sprSmoke, sprSmokeWhite, sprShell, sprDust, sprExplosives, sprExplosivesRoll,

            sprAmTeleport, sprSplash, sprDroplet, sprBirdy, sprHandCake, sprHandConstruction,

            sprHandGrenade, sprHandMelon, sprHandMortar, sprHandSkip, sprHandCluster,

            sprHandDynamite, sprHandHellish, sprHandMine, sprHandSeduction, sprHandVamp,

            sprBigExplosion, sprSmokeRing, sprBeeTrace, sprEgg, sprTargetBee, sprHandBee, 

            sprFeather, sprPiano, sprHandSineGun, sprPortalGun, sprPortal,

            sprCheese, sprHandCheese, sprHandFlamethrower

            );

    // Gears that interact with other Gears and/or Land

    TGearType = (gtAmmo_Bomb, gtHedgehog, gtAmmo_Grenade, gtGrave, gtBee, // 4

            gtShotgunShot, gtPickHammer, gtRope, gtMine, gtCase, // 9

            gtDEagleShot, gtDynamite, gtClusterBomb, gtCluster, gtShover, // 14

            gtFlame, gtFirePunch, gtATStartGame, gtATSmoothWindCh, // 18

            gtATFinishGame, gtParachute, gtAirAttack, gtAirBomb, gtBlowTorch, // 23

            gtGirder, gtTeleport, gtSwitcher, gtTarget, gtMortar, // 28

            gtWhip, gtKamikaze, gtCake, gtSeduction, gtWatermelon, gtMelonPiece, // 34

            gtHellishBomb, gtWaterUp, gtDrill, gtBallGun, gtBall, gtRCPlane, // 40

            gtSniperRifleShot, gtJetpack, gtMolotov, gtExplosives, gtBirdy, // 45

            gtEgg, gtPortal, gtPiano, gtGasBomb, gtSineGunShot, gtFlamethrower); // 51

    // Gears that are _only_ of visual nature (e.g. background stuff, visual effects, speechbubbles, etc.)

    TVisualGearType = (vgtFlake, vgtCloud, vgtExplPart, vgtExplPart2, vgtFire,

            vgtSmallDamageTag, vgtTeamHealthSorter, vgtSpeechBubble, vgtBubble,

            vgtSteam, vgtAmmo, vgtSmoke, vgtSmokeWhite, vgtHealth, vgtShell,

            vgtDust, vgtSplash, vgtDroplet, vgtSmokeRing, vgtBeeTrace, vgtEgg,

            vgtFeather, vgtHealthTag, vgtSmokeTrace, vgtEvilTrace, vgtExplosion,

            vgtBigExplosion);

    TGearsType = set of TGearType;

    TSound = (sndNone,

            sndGrenadeImpact, sndExplosion, sndThrowPowerUp, sndThrowRelease,

            sndSplash, sndShotgunReload, sndShotgunFire, sndGraveImpact,

            sndMineTick, sndPickhammer, sndGun, sndBee, sndJump1, sndJump2,

            sndJump3, sndYesSir, sndLaugh, sndIllGetYou, sndIncoming,

            sndMissed, sndStupid, sndFirstBlood, sndBoring, sndByeBye,

            sndSameTeam, sndNutter, sndReinforce, sndTraitor, sndRegret,

            sndEnemyDown, sndCoward, sndHurry, sndWatchIt, sndKamikaze,

            sndCake, sndOw1, sndOw4, sndFirePunch1, sndFirePunch2,

            sndFirePunch3, sndFirePunch4, sndFirePunch5, sndFirePunch6,

            sndMelon, sndHellish, sndYoohoo, sndRCPlane, sndWhipCrack,

            sndRideOfTheValkyries, sndDenied, sndPlaced, sndBaseballBat,

            sndVaporize, sndWarp, sndSuddenDeath, sndMortar, sndShutter,

            sndHomerun, sndMolotov, sndCover, sndUhOh, sndOops,

            sndNooo, sndHello, sndRopeShot, sndRopeAttach, sndRopeRelease,

            sndSwitchHog, sndVictory, sndSniperReload, sndSteps, sndLowGravity,

            sndHellishImpact1, sndHellishImpact2, sndHellishImpact3, sndHellishImpact4,

            sndMelonImpact, sndDroplet1, sndDroplet2, sndDroplet3, sndEggBreak, sndDrillRocket,

            sndPoisonCough, sndPoisonMoan, sndBirdyLay, sndWhistle, sndBeeWater,

            sndPiano0, sndPiano1, sndPiano2, sndPiano3, sndPiano4, sndPiano5, sndPiano6, sndPiano7, sndPiano8,

            sndSkip, sndSineGun);

    TAmmoType  = (amNothing, amGrenade, amClusterBomb, amBazooka, amBee, amShotgun, amPickHammer,

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

            amBaseballBat, amParachute, amAirAttack, amMineStrike, amBlowTorch,

            amGirder, amTeleport, amSwitch, amMortar, amKamikaze, amCake,

            amSeduction, amWatermelon, amHellishBomb, amNapalm, amDrill, amBallgun,

            amRCPlane, amLowGravity, amExtraDamage, amInvulnerable, amExtraTime,

            amLaserSight, amVampiric, amSniperRifle, amJetpack, amMolotov, amBirdy, amPortalGun,

            amPiano, amGasBomb, amSineGun, amFlamethrower);

    THWFont = (fnt16, fntBig, fntSmall, CJKfnt16, CJKfntBig, CJKfntSmall);

    TCapGroup = (capgrpGameState, capgrpAmmoinfo, capgrpVolume,

            capgrpMessage, capgrpAmmostate);

    TStatInfoType = (siGameResult, siMaxStepDamage, siMaxStepKills, siKilledHHs,

            siClanHealth, siTeamStats);

    TWave = (waveRollup, waveSad, waveWave, waveHurrah, waveLemonade, waveShrug, waveJuggle);

    THHFont = record

            Handle: PTTF_Font;

            Height: LongInt;

            style: LongInt;

            Name: string[21];

            end;

    PAmmo = ^TAmmo;

    TAmmo = record

            Propz: LongWord;

            Count: LongWord;

(* Using for place hedgehogs mode, but for any other situation where the initial count would be needed I guess.

For example, say, a mode where the weaponset is reset each turn, or on sudden death *)

            InitialCount: LongWord; 

            NumPerTurn: LongWord;

            Timer: LongWord;

            Pos: LongWord;

            AmmoType: TAmmoType;

            AttackVoice: TSound;

            end;

    TVertex2f = record

        X, Y: GLfloat;

        end;

    TVertex2i = record

        X, Y: GLint;

        end;

    PTexture = ^TTexture;

    TTexture = record

            id: GLuint;

            w, h, scale: LongInt;

            rx, ry: GLfloat;

            priority: GLfloat;

            vb, tb: array [0..3] of TVertex2f;

            PrevTexture, NextTexture: PTexture;

            end;

    THogEffect = (heInvulnerable, hePoisoned);

    TScreenFade = (sfNone, sfInit, sfToBlack, sfFromBlack, sfToWhite, sfFromWhite);

const sfMax = 1000;

    // message constants

    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';

    errmsgSlotsOverflow   = 'CurSlot overflowed';

    msgLoading           = 'Loading ';

    msgOK                = 'ok';

    msgFailed            = 'failed';

    msgFailedSize        = 'failed due to size';

    msgGettingConfig     = 'Getting game config...';

    // color constants

    cWhiteColorChannels : TSDL_Color = (r:$FF; g:$FF; b:$FF; unused:$FF);

    cNearBlackColorChannels : TSDL_Color = (r:$00; g:$00; b:$10; unused:$FF);

    cWhiteColor           : Longword = $FFFFFFFF;

    cYellowColor          : Longword = $FFFFFF00;

    cNearBlackColor       : Longword = $FF000010;

    cExplosionBorderColor : LongWord = $FF808080;

{$WARNINGS OFF}

    cAirPlaneSpeed: hwFloat = (isNegative: false; QWordValue:   3006477107); // 1.4

    cBombsSpeed   : hwFloat = (isNegative: false; QWordValue:    429496729);

{$WARNINGS ON}

    // reducedquality flags

    rqNone        = $00000000;  // don't reduce quality

    rqLowRes      = $00000001;  // use half land array

    rqBlurryLand  = $00000002;  // downscaled terrain

    rqNoBackground= $00000004;  // don't draw background

    rqSimpleRope  = $00000008;  // avoid drawing rope

    rq2DWater     = $00000010;  // disabe 3D water effect

    rqFancyBoom   = $00000020;  // no fancy explosion effects

    rqKillFlakes  = $00000040;  // no flakes

    rqSlowMenu    = $00000080;  // ammomenu appears with no animation

    rqPlainSplash = $00000100;  // no droplets

    rqClampLess   = $00000200;  // don't clamp textures

    rqTooltipsOff = $00000400;  // tooltips are not drawn

    rqDesyncVBlank= $00000800;  // don't sync on vblank

    // image flags (for LoadImage())

    ifNone        = $00000000;  // nothing special

    ifAlpha       = $00000001;  // use alpha channel (unused right now?)

    ifCritical    = $00000002;  // image is critical for gameplay (exit game if unable to load)

    ifTransparent = $00000004;  // image uses transparent pixels (color keying)

    ifIgnoreCaps  = $00000008;  // ignore hardware capabilities when loading (i.e. image will not be drawn using OpenGL)

    // texture priority (allows OpenGL to keep frequently used textures in video memory more easily)

    tpLowest      = 0.00;

    tpLow         = 0.25;

    tpMedium      = 0.50;

    tpHigh        = 0.75;

    tpHighest     = 1.00;

// To allow these to layer, going to treat them as masks. The bottom byte is reserved for objects

// TODO - set lfBasic for all solid land, ensure all uses of the flags can handle multiple flag bits

    lfBasic          = $8000;  // white

    lfIndestructible = $4000;  // red

    lfObject         = $2000;  // no idea

    lfDamaged        = $1000;  // no idea

    cMaxPower     = 1500;

    cMaxAngle     = 2048;

    cPowerDivisor = 1500;

    MAXNAMELEN = 192;

    // some opengl headers do not have these macros

    GL_BGR              = $80E0;

    GL_BGRA             = $80E1;

    GL_CLAMP_TO_EDGE    = $812F;

    GL_TEXTURE_PRIORITY = $8066;

    cSendCursorPosTime  : LongWord = 50;

    cVisibleWater       : LongInt = 128;

    cCursorEdgesDist    : LongInt = 100;

    cTeamHealthWidth    : LongInt = 128;

    cWaterOpacity       : byte = $80;

    cifRandomize = $00000001;

    cifTheme     = $00000002;

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

    cifAllInited = cifRandomize or cifTheme or cifMap;

    cTransparentColor: Longword = $00000000;

    cMaxTeams        = 6;

    cMaxHHIndex      = 7;

    cMaxHHs          = 48;

    cMaxSpawnPoints  = 1024;

    cMaxEdgePoints = 16384;

    cHHRadius = 9;

    cHHStepTicks = 29;

    cUsualZ = 500;

    cSmokeZ = 499;

    cHHZ = 1000;

    cCurrHHZ = Succ(cHHZ);

    cOnHHZ = 2000;

    cBarrelHealth = 60;

    cShotgunRadius = 22;

    cBlowTorchC    = 6;

    cKeyMaxIndex = 1023;

    cDefaultZoomLevel = 2.0;

{$IFDEF IPHONEOS}

    cMaxZoomLevel = 0.5;

    cMinZoomLevel = 3.5;

    cZoomDelta = 0.20;

{$ELSE}

    cMaxZoomLevel = 1.0;

    cMinZoomLevel = 3.0;

    cZoomDelta = 0.25;

{$ENDIF}

    cSendEmptyPacketTime = 1000;

    // from uTriggers

    trigTurns = $80000001;

    // Training Flags

    tfNone          = $00000000;

    tfTimeTrial     = $00000001;

    tfRCPlane       = $00000002;

    tfSpawnTargets  = $00000004;

    tfIgnoreDelays  = $00000008;

    tfTargetRespawn = $00000010;

    gfAny            = $FFFFFFFF;

    gfForts          = $00000001;

    gfMultiWeapon    = $00000002;

    gfSolidLand      = $00000004;

    gfBorder         = $00000008;

    gfDivideTeams    = $00000010;

    gfLowGravity     = $00000020;

    gfLaserSight     = $00000040;

    gfInvulnerable   = $00000080;

    gfMines          = $00000100;

    gfVampiric       = $00000200;

    gfKarma          = $00000400;

    gfArtillery      = $00000800;

    gfOneClanMode    = $00001000;

    gfRandomOrder    = $00002000;

    gfKing           = $00004000;

    gfPlaceHog       = $00008000;

    gfSharedAmmo     = $00010000;

    gfDisableGirders = $00020000;

    gfExplosives     = $00040000;

    gfDisableLandObjects = $00080000;

    // NOTE: When adding new game flags, ask yourself

    // if a "game start notice" would be useful. If so,

    // add one in uWorld.pas - look for "AddGoal".

    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;

    gstHHDeath        = $00008000;

    gstWinner         = $00010000;  // this, along with gstLoser, is good for indicating hedgies know they screwed up

    gstWait           = $00020000;

    gstNotKickable    = $00040000;

    gstLoser          = $00080000;

    gstHHGone         = $00100000;

    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

    gm_Timer  = $00000800; // with param

    gm_Animate= $00001000; // with param

    gm_Precise= $00002000;

    gmAllStoppable = gm_Left or gm_Right or gm_Up or gm_Down or gm_Attack or gm_Precise;

    cMaxSlotIndex       = 9;

    cMaxSlotAmmoIndex   = 5;

    ammoprop_Timerable    = $00000001;

    ammoprop_Power        = $00000002;

    ammoprop_NeedTarget   = $00000004;

    ammoprop_ForwMsgs     = $00000008;

    ammoprop_AttackInMove = $00000010;

    ammoprop_NoCrosshair  = $00000040;

    ammoprop_AttackingPut = $00000080;

    ammoprop_DontHold     = $00000100;

    ammoprop_AltAttack    = $00000200;

    ammoprop_AltUse       = $00000400;

    ammoprop_NotBorder    = $00000800;

    ammoprop_Utility      = $00001000;

    ammoprop_Effect       = $00002000;

    ammoprop_NoRoundEndHint=$10000000;

    AMMO_INFINITE = 100;

    EXPLAllDamageInRadius = $00000001;

    EXPLAutoSound         = $00000002;

    EXPLNoDamage          = $00000004;

    EXPLDoNotTouchHH      = $00000008;

    EXPLDontDraw          = $00000010;

    EXPLNoGfx             = $00000020;

    EXPLPoisoned          = $00000040;

    posCaseAmmo    = $00000001;

    posCaseHealth  = $00000002;

    posCaseUtility = $00000004;

    NoPointX = Low(LongInt);

    cTargetPointRef : TPoint = (X: NoPointX; Y: 0);

    // hog tag mask

    htNone        = $00;

    htTeamName    = $01;

    htName        = $02;

    htHealth      = $04;

    htTransparent = $08;

    cHHFileName = 'Hedgehog';

    cCHFileName = 'Crosshair';

    cThemeCFGFilename = 'theme.cfg';

    FontBorder = 2;

    cPathz: array[TPathType] of shortstring = (

        '',                              // 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

        'Graphics/Hedgehog',             // ptHedgehog

        'Sounds/voices',                 // ptVoices

        'Graphics/Hats',                 // ptHats

        'Graphics/Flags'                 // ptFlags

    );

var PathPrefix: shortstring = './';

    Pathz: array[TPathType] of shortstring;

    CountTexz: array[1..Pred(AMMO_INFINITE)] of PTexture;

    LAND_WIDTH  :longint;

    LAND_HEIGHT :longint;

    LAND_WIDTH_MASK  :longWord;

    LAND_HEIGHT_MASK :longWord;

    cMaxCaptions : LongInt;

const

    cTagsMasks : array[0..15] of byte = (7, 0, 0, 0, 15, 6, 4, 5, 0, 0, 0, 0, 0, 14, 12, 13);

    cTagsMasksNoHealth: array[0..15] of byte = (3, 2, 11, 1, 0, 0, 0, 0, 0, 10, 0, 9, 0, 0, 0, 0);

    Fontz: array[THWFont] of THHFont = (

            (Handle: nil;

            Height: 12;

            style: TTF_STYLE_NORMAL;

            Name: 'DejaVuSans-Bold.ttf'),

            (Handle: nil;

            Height: 24;

            style: TTF_STYLE_NORMAL;

            Name: 'DejaVuSans-Bold.ttf'),

            (Handle: nil;

            Height: 10;

            style: TTF_STYLE_NORMAL;

            Name: 'DejaVuSans-Bold.ttf'),

            (Handle: nil;

            Height: 12;

            style: TTF_STYLE_NORMAL;

            Name: 'wqy-zenhei.ttc'),

            (Handle: nil;