(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2015 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 *)

{$INCLUDE "options.inc"}

unit uConsts;

interface

uses    SDLh, uFloat, GLunit;

{$INCLUDE "config.inc"}

const

    HDPIScaleFactor     =  1;

    // application return codes

    HaltNoError         =  0; // Hedgewars quits normally

    // error codes are placed in range 50-99 because that way then don't overlap with run-time errors of pascal

    // see https://www.freepascal.org/docs-html/user/userap4.html

    HaltUsageError      =  51; // Hedgewars was invoked incorrectly (e.g. bad command-line parameter)

    HaltFatalError      =  52; // Fatal internal error. See logs for more. Also reports error to frontend

    HaltStartupError    =  53; // Failure loading critical resources

    HaltFatalErrorNoIPC =  54; // Fatal internal error, IPC socket is not available

    // for automatic tests

    HaltTestSuccess     =  0;  // Test result: success

    HaltTestFailed      =  60; // Test result: failed

    HaltTestLuaError    =  61; // Lua runtime error

    HaltTestUnexpected  =  62; // Unexpected error

    // maximum ScreenFadeValue

    sfMax = 1000;

    // log 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';

    errmsgLuaTestTerm     = 'WARNING: Lua test terminated before the test was properly finished with EndLuaTest()!';

    msgLoading           = 'Loading ';

    msgOK                = 'ok';

    msgFailed            = 'failed';

    msgFailedSize        = 'failed due to size';

    msgGettingConfig     = 'Getting game config...';

    // camera movement multipliers

    cameraKeyboardSpeed     : LongInt = 10;

    cameraKeyboardSpeedSlow : LongInt =  3;

    // color constants

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

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

    cInvertTextColorAt    : Byte = 64;

    cWhiteColor           : Longword = $FFFFFFFF; // white

    cNearBlackColor       : Longword = $FF000010; // nearly black

    capcolDefault         : Longword = $FFFFFFFF; // default caption color

    capcolSetting         : Longword = $FFCCCCCC; // caption color for changing client setting like volume or auto camera

    capcolDefaultLua      : Longword = $FFFFFFFF; // capcolDefault for Lua

    capcolSettingLua      : Longword = $CCCCCCFF; // capcolSetting for Lua

    cCentralMessageColor  : Longword = $FFFFFF00; // color of message in center of screen like quit or pause

{$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;  // draw rope using lines only

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

    rqAntiBoom    = $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())

    // TODO: discuss whether ifAlpha and ifColorKey are actually needed and if and where we want to support which colorkeys

    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)

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

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

    ifDigestAlpha = $00000010;  // add alpha channel to the digest

    ifDigestAll   = $00000020;  // add all channels to the digest

    // 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

// lfObject and lfBasic are only to be different *graphically*  in all other ways they should be treated the same

    lfBasic          = $8000;  // normal destructible terrain (mask.png: black)

    lfIndestructible = $4000;  // indestructible terrain (mask.png: red)

    lfObject         = $2000;  // destructible terrain, land object (mask.png: white)

    lfDamaged        = $1000;  //

    lfIce            = $0800;  // icy terrain (mask.png: blue)

    lfBouncy         = $0400;  // bouncy terrain (mask.png: green)

    lfLandMask       = $FF00;  // upper byte is used for terrain, not objects.

    lfCurHogCrate    = $0080;  // CurrentHedgehog, and crates, for convenience of AI.  Since an active hog would instantly collect the crate, this does not impact playj

    lfNotCurHogCrate = $FF7F;  // inverse of above. frequently used

    lfObjMask        = $007F;  // lower 7 bits used for hogs and explosives and mines 

    lfNotObjMask     = $FF80;  // inverse of above.

// breaking up hogs would makes it easier to differentiate 

// colliding with a hog from colliding with other things

// if overlapping hogs are less common than objects, the division can be altered.

// 3 bits for objects, 4 for hogs, that is, overlap 7 barrels/mines before possible dents, and 15 hogs.

    lfHHMask         = $000F;  // lower 4 bits used only for hogs

    lfNotHHObjMask   = $0070;  // next 3 bits used for non-hog things

    lfNotHHObjShift  = 4;

    lfNotHHObjSize   = lfNotHHObjMask shr lfNotHHObjShift;  

    // lower byte is for objects.

    // consists of 0-127 counted for object checkins and $80 as a bit flag for current hog.

    lfAllObjMask     = $00FF;  // lfCurHogCrate or lfObjMask

    lfAll            = $FFFF;  // everything

    cMaxPower     = 1500; // maximum power value for ammo that powers up

    cMaxAngle     = 2048; // maximum positive value for Gear angle

    cPowerDivisor = 1500;

    MAXNAMELEN = 192;

    MAXROPEPOINTS = 3840;

    MAXROPELAYERS = 16;

    {$IFNDEF PAS2C}

    // some opengl headers do not have these macros

    GL_BGR              = $80E0;

    GL_BGRA             = $80E1;

    GL_CLAMP_TO_EDGE    = $812F;

    GL_TEXTURE_PRIORITY = $8066;

    {$ENDIF}

    cVisibleWater       : LongInt = 128;

    cTeamHealthWidth    : LongInt = 128;

    cTeamHealthHeight   : LongInt = round(19 * HDPIScaleFactor);

    cGearContourThreshold : LongInt = 179; // if water opacity is higher than this, draw contour for some gears when in water

    cifRandomize = $00000001;

    cifTheme     = $00000002;

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

    cifAllInited = cifRandomize or cifTheme or cifMap;

    RGB_LUMINANCE_RED    = 0.212671;

    RGB_LUMINANCE_GREEN  = 0.715160;

    RGB_LUMINANCE_BLUE   = 0.072169;

    // hedgehog info

    cMaxTeams        = 8; // maximum number of teams

    cMaxHHIndex      = 7; // maximum hedgehog index (counting starts at 0)

                          // NOTE: If you change cMaxHHIndex, also change cMaxHogHealth!

    cMaxHHs          = cMaxTeams * (cMaxHHIndex+1); // maximum number of hogs

    cClanColors      = 9; // number of possible clan colors

    cMaxEdgePoints = 32768;

    cBorderWidth = 6; // width of indestructible border

                      // width of 3 allowed hogs to be knocked through with grenade

    cCloudOffset = 1184; // Y offset for clouds (cloud height = LAND_HEIGHT-cCloudOffset)

    cHHRadius = 9; // hedgehog radius

    cHHStepTicks = 29;

    cMaxHogHealth = 268435455; // maximum hedgehog health

    // cMaxHogHealth was calculated by: High(LongInt) div (cMaxHHIndex+1);

    ouchDmg = 55;        // least amount of damage a hog must take in one blow for sndOuch to play

    // Z levels

    cHHZ = 1000;

    cCurrHHZ = Succ(cHHZ);

    // some gear constants

    cBarrelHealth = 60;  // initial barrel health

    cSentryHealth = 60;  // initial sentry health

    cShotgunRadius = 22; // radius of land a shotgun shot destroys

    cBlowTorchC    = 6;  // blow torch gear radius component (added to cHHRadius to get the full radius)

    cakeDmg =   75;      // default cake damage

    // key stuff

    cKeyMaxIndex = 1600;

    cKbdMaxIndex = 65536;//need more room for the modifier keys

    // font stuff

    cFontBorder = round(2 * HDPIScaleFactor);

    cFontPadding = round(2 * HDPIScaleFactor);

    cDefaultBuildMaxDist = 256; // default max. building distance with girder/rubber

    cResurrectorDist = 100; // effect distance of resurrector

    cSeductionDist = 250; // effect distance of seduction

    ExtraTime = 30000; // amount of time (ms) given for using Extra Time

    MaxMoreWindTime = 5000; // amount of time (ms) for land objects like gfMine to be affected after end of turn

    // do not change this value

    cDefaultZoomLevel = 2.0; // 100% zoom

    // Maximum camera positions, values are "pixels outside the mainland"

    cCamLimitX = 1920; // X (left/right) camera limit, no border. Note: Influences sndFlyAway

                       // Note: Also make sure it's far enough from airplane spawn

    cCamLimitY = 2048; // Top Y camera limit, no border

    cCamLimitBorderX = 1920; // X (left/right) camera limit, with border

    cCamLimitBorderY = 2048; // Top Y camera limit, with border

    cFontPxToPtRatio   = 1.3281472327365;

    cBaseChatFontHeight = 12;

    cChatScaleRelDelta = 0.1;

    cMinChatScaleValue = 0.8;

    cMaxChatScaleValue = 4.0;

    cDefaultUIScaleLevel = 1.0;

    // game flags

    gfAny                = $FFFFFFFF; // mask for all possible gameflags

    gfOneClanMode        = $00000001; // Game does not end if there's only one clan in play. For missions

    gfMultiWeapon        = $00000002; // Enter multishoot mode after attack with infinite shots. For target practice

    gfSolidLand          = $00000004; // (almost) indestrutible land

    gfBorder             = $00000008; // border at top, left and right

    gfDivideTeams        = $00000010; // each clan spawns their hogs on own side of terrain

    gfLowGravity         = $00000020; // low gravity

    gfLaserSight         = $00000040; // laser sight for all

    gfInvulnerable       = $00000080; // invulerable for all

    gfResetHealth        = $00000100; // heal hogs health up to InitialHealth each turn

    gfVampiric           = $00000200; // vampirism for all

    gfKarma              = $00000400; // receive damage you deal

    gfArtillery          = $00000800; // hogs can't walk

    gfSwitchHog          = $00001000; // free switch hog at turn start

    gfRandomOrder        = $00002000; // hogs play in random order

    gfKing               = $00004000; // King Mode

    gfPlaceHog           = $00008000; // place all hogs at game start

    gfSharedAmmo         = $00010000; // ammo is shared per-clan

    gfDisableGirders     = $00020000; // disable land girders

    gfDisableLandObjects = $00040000; // disable land objects

    gfAISurvival         = $00080000; // AI is revived

    gfInfAttack          = $00100000; // infinite attack

    gfResetWeps          = $00200000; // reset weapons each turn

    gfPerHogAmmo         = $00400000; // each hog has its own ammo

    gfDisableWind        = $00800000; // don't automatically change wind

    gfMoreWind           = $01000000; // wind influences most gears

    gfTagTeam            = $02000000; // hogs of same clan share their turn time

    gfBottomBorder       = $04000000; // border at bottom

    gfShoppaBorder       = $08000000; // Surround terrain with fancy "security border". Pure eye candy

    // 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".

    // gear states

    gstDrowning       = $00000001; // drowning

    gstHHDriven       = $00000002; // hog is controlled by current player

    gstMoving         = $00000004; // moving

    gstAttacked       = $00000008; // after attack

    gstAttacking      = $00000010; // while attacking

    gstCollision      = $00000020; // it has *just* collided

    gstChooseTarget   = $00000040; // choosing target

    gstHHJumping      = $00000100; // hog is doing long jump

    gsttmpFlag        = $00000200; // temporary wildcard flag, use it for anything you want

    gstHHThinking     = $00000800; // AI hog is thinking

    gstNoDamage       = $00001000; // gear is immune to damage

    gstHHHJump        = $00002000; // hog is doing high jump

    gstAnimation      = $00004000; // hog is playing an animation

    gstHHDeath        = $00008000; // hog is dying

    gstWinner         = $00010000; // indicates if hog did well

    gstWait           = $00020000;

    gstNotKickable    = $00040000; // gear cannot be pushed by forces

    gstLoser          = $00080000; // indicates if hog screwed up

    gstHHGone         = $00100000; // hog is gone (teamgone event)

    gstInvisible      = $00200000; // invisible

    gstSubmersible    = $00400000; // can survive in water

    gstFrozen         = $00800000; // frozen

    gstNoGravity      = $01000000; // ignores gravity

    gstInBounceEdge   = $02000000; // spawned in bounce edge

    // gear messages

    gmLeft           = $00000001; // left

    gmRight          = $00000002; // right

    gmUp             = $00000004; // up

    gmDown           = $00000008; // down

    gmSwitch         = $00000010; // switch hedgehog

    gmAttack         = $00000020; // attack

    gmLJump          = $00000040; // long jump

    gmHJump          = $00000080; // high jump

    gmDestroy        = $00000100; // request to self-destruct

    gmSlot           = $00000200; // slot key; with param

    gmWeapon         = $00000400; // direct weapon selection (SetWeapon); with param

    gmTimer          = $00000800; // set timer; with param

    gmAnimate        = $00001000; // start animation; with param

    gmPrecise        = $00002000; // precise aim

    // gmAddToList and gmRemoveFromList are used when changing order of gears in the gear list. They are used together when changing a gear's Z (drawing order)

    gmRemoveFromList = $00004000; // remove gear from gear list

    gmAddToList      = $00008000; // add gear to gear list

    gmDelete         = $00010000; // delete gear

    gmAllStoppable = gmLeft or gmRight or gmUp or gmDown or gmAttack or gmPrecise;

    // ammo slots

    cMaxSlotIndex       = 10; // maximum slot index (including hidden slot) (row in ammo menu)

    cHiddenSlotIndex    = cMaxSlotIndex; // slot for hidden ammo types, not visible and has no key

    cMaxSlotAmmoIndex   = 5; // maximum index for ammos per slot (column in ammo menu)

    // AI hints to be set for any gear

    aihUsualProcessing    = $00000000; // treat gear as usual

    aihDoesntMatter       = $00000001; // ignore gear in attack calculations and don't intentionally attack it

    aihAmmosChanged       = $00000002; // set when ammos were changed within this turn but not processed yet

    // ammo properties

    ammoprop_Timerable    = $00000001; // can set timer

    ammoprop_Power        = $00000002; // can power up fire strength

    ammoprop_NeedTarget   = $00000004; // must select target

    ammoprop_ForwMsgs     = $00000008; // received gear messages are forwarded to the spawned gear

    ammoprop_AttackInMove = $00000010; // can attack while moving / in mid-air

    ammoprop_DoesntStopTimerWhileAttacking

                          = $00000020; // doesn't stop timer while attacker is attacking

    ammoprop_NoCrosshair  = $00000040; // no crosshair rendered

    ammoprop_AttackingPut = $00000080; // selecting a target is considered an attack

    ammoprop_DontHold     = $00000100; // don't keep ammo selected in next turn

    ammoprop_AltAttack    = $00000200; // ammo can equip alternate ammo (ammoprop_AltUse)

    ammoprop_AltUse       = $00000400; // ammo can be equipped by an ammo with ammoprop_AltAttack

    ammoprop_NotBorder    = $00000800; // ammo is not available if map has border

    ammoprop_Utility      = $00001000; // ammo is considered an utility instead of a weapon

    ammoprop_Effect       = $00002000; // ammo is considered an effect like extra time or vampirism

    ammoprop_SetBounce    = $00004000; // can set bounciness

    ammoprop_NeedUpDown   = $00008000; // used by TouchInterface to show or hide up/down widgets

    ammoprop_OscAim       = $00010000; // oscillating aim

    ammoprop_NoMoveAfter  = $00020000; // can't move after attacking

    ammoprop_Track        = $00040000; // ammo follows the landscape, used by AI

    ammoprop_DoesntStopTimerInMultiShoot

                          = $00080000; // doesn't stop timer after entering multi-shoot mode

    ammoprop_DoesntStopTimerWhileAttackingInInfAttackMode

                          = $00100000; // doesn't stop timer while Attacking gear msg is set and inf. attack mode is on

    ammoprop_ForceTurnEnd = $00200000; // always ends turn after usage, ignoring inf. attack

    ammoprop_NoTargetAfter= $00400000; // disable target selection after attack

    ammoprop_NoWrapTarget = $00800000; // allow to select target beyond wrap world edge limits

    ammoprop_ShowSelIcon  = $01000000; // show icon when selected

    ammoprop_NoRoundEnd   = $10000000; // ammo doesn't end turn

    AMMO_INFINITE = 100;               // internal representation of infinite ammo count

    AMMO_FINITE_MAX = 99;              // maximum possible finite ammo count

    JETPACK_FUEL_INFINITE : LongInt = Low(LongInt); // internal representation of infinite jetpack fuel

    BIRDY_ENERGY_INFINITE : LongInt = Low(LongInt); // as above, but for Birdy

    // Special msgParam value used internally for invalid/non-existing value

    // Must not be sent over the network!

    MSGPARAM_INVALID = High(LongWord);

    // raw probability values for crate drops

    probabilityLevels: array [0..8] of LongWord = (0,20,30,60,100,200,400,600,800);

    // raw bounciness values for each of the player-selectable bounciness levels

    defaultBounciness = 1000;

    bouncinessLevels: array [0..4] of LongWord = (350, 700, defaultBounciness, 2000, 4000);

    // explosion flags

    // By default, an explosion removes land, damages and pushes gears,

    // spawns an explosion animation and plays no sound.

    //EXPLAllDamageInRadius = $00000001;  Completely unused for ages

    EXPLAutoSound         = $00000002; // enable sound (if appropriate)

    EXPLNoDamage          = $00000004; // don't damage gears

    EXPLDoNotTouchHH      = $00000008; // don't push hogs

    EXPLDontDraw          = $00000010; // don't remove land

    EXPLNoGfx             = $00000020; // don't spawn visual effects

    EXPLPoisoned          = $00000040; // poison hogs in effect radius

    EXPLDoNotTouchAny     = $00000080; // don't push anything

    EXPLForceDraw         = $00000100; // remove land even with gfSolidLand

    // Pos flags for gtCase

    posCaseAmmo    = $00000001; // ammo crate

    posCaseHealth  = $00000002; // health crate

    posCaseUtility = $00000004; // utility crate

    posCaseDummy   = $00000008; // dummy crate

    posCaseExplode = $00000010; // crate explodes when touched

    posCasePoison  = $00000020; // crate poisons hog when touched

    cCaseHealthRadius = 14;

    // hog tag mask

    //htNone        = $00;

    htTeamName    = $01;

    htName        = $02;

    htHealth      = $04;

    htTransparent = $08;

    NoPointX = Low(LongInt); // special value for CursorX/CursorY if cursor's disabled

    cTargetPointRef : TPoint = (x: NoPointX; y: 0);

    kSystemSoundID_Vibrate = $00000FFF;

    cMinPlayWidth = 200;

    cWorldEdgeDist = 200;

    cMaxLaserSightWraps = 1; // maximum number of world wraps of laser sight

    cMaxTurnTime = Pred(High(LongInt)); // maximum possible turn time

implementation

end.