(*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2012 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 uGearsList;

interface

uses uFloat, uTypes;

function  AddGear(X, Y: LongInt; Kind: TGearType; State: Longword; dX, dY: hwFloat; Timer: LongWord): PGear;

procedure DeleteGear(Gear: PGear);

procedure InsertGearToList(Gear: PGear);

procedure RemoveGearFromList(Gear: PGear);

var curHandledGear: PGear;

implementation

uses uRandom, uUtils, uConsts, uVariables, uAmmos, uTeams, uStats,

    uTextures, uScript, uRenderUtils, uAI, uCollisions,

    uGearsRender, uGearsUtils, uDebug;

var GCounter: LongWord = 0; // this does not get re-initialized, but should be harmless

procedure InsertGearToList(Gear: PGear);

var tmp, ptmp: PGear;

begin

    tmp:= GearsList;

    ptmp:= GearsList;

    while (tmp <> nil) and (tmp^.Z < Gear^.Z) do

        begin

        ptmp:= tmp;

        tmp:= tmp^.NextGear

        end;

    if ptmp <> tmp then

        begin

        Gear^.NextGear:= ptmp^.NextGear;

        Gear^.PrevGear:= ptmp;

        if ptmp^.NextGear <> nil then

            ptmp^.NextGear^.PrevGear:= Gear;

        ptmp^.NextGear:= Gear

        end

    else

        begin

        Gear^.NextGear:= GearsList;

        if Gear^.NextGear <> nil then

            Gear^.NextGear^.PrevGear:= Gear;

        GearsList:= Gear;

        end;

end;

procedure RemoveGearFromList(Gear: PGear);

begin

TryDo((curHandledGear = nil) or (Gear = curHandledGear), 'You''re doing it wrong', true);

if Gear^.NextGear <> nil then

    Gear^.NextGear^.PrevGear:= Gear^.PrevGear;

if Gear^.PrevGear <> nil then

    Gear^.PrevGear^.NextGear:= Gear^.NextGear

else

    GearsList:= Gear^.NextGear

end;

function AddGear(X, Y: LongInt; Kind: TGearType; State: Longword; dX, dY: hwFloat; Timer: LongWord): PGear;

var gear: PGear;

begin

inc(GCounter);

AddFileLog('AddGear: #' + inttostr(GCounter) + ' (' + inttostr(x) + ',' + inttostr(y) + '), d(' + floattostr(dX) + ',' + floattostr(dY) + ') type = ' + EnumToStr(Kind));

New(gear);

FillChar(gear^, sizeof(TGear), 0);

gear^.X:= int2hwFloat(X);

gear^.Y:= int2hwFloat(Y);

gear^.Target.X:= NoPointX;

gear^.Kind := Kind;

gear^.State:= State;

gear^.Active:= true;

gear^.dX:= dX;

gear^.dY:= dY;

gear^.doStep:= doStepHandlers[Kind];

gear^.CollisionIndex:= -1;

gear^.Timer:= Timer;

gear^.uid:= GCounter;

gear^.SoundChannel:= -1;

gear^.ImpactSound:= sndNone;

gear^.Density:= _1;

// Define ammo association, if any.

gear^.AmmoType:= GearKindAmmoTypeMap[Kind];

gear^.CollisionMask:= $FFFF;

if CurrentHedgehog <> nil then 

    begin

    gear^.Hedgehog:= CurrentHedgehog;

    if (CurrentHedgehog^.Gear <> nil) and (hwRound(CurrentHedgehog^.Gear^.X) = X) and (hwRound(CurrentHedgehog^.Gear^.Y) = Y) then

        gear^.CollisionMask:= $FF7F

    end;

if (Ammoz[Gear^.AmmoType].Ammo.Propz and ammoprop_NeedTarget <> 0) then

    gear^.Z:= cHHZ+1

else gear^.Z:= cUsualZ;

case Kind of

     gtGrenade,

     gtClusterBomb,

     gtGasBomb: begin

                gear^.ImpactSound:= sndGrenadeImpact;

                gear^.nImpactSounds:= 1;

                gear^.AdvBounce:= 1;

                gear^.Radius:= 5;

                gear^.Elasticity:= _0_8;

                gear^.Friction:= _0_8;

                gear^.Density:= _1_5;

                gear^.RenderTimer:= true;

                if gear^.Timer = 0 then

                    gear^.Timer:= 3000

                end;

  gtWatermelon: begin

                gear^.ImpactSound:= sndMelonImpact;

                gear^.nImpactSounds:= 1;

                gear^.AdvBounce:= 1;

                gear^.Radius:= 6;

                gear^.Elasticity:= _0_8;

                gear^.Friction:= _0_995;

                gear^.Density:= _2;

                gear^.RenderTimer:= true;

                if gear^.Timer = 0 then

                    gear^.Timer:= 3000

                end;

  gtMelonPiece: begin

                gear^.Density:= _2;

                end;

    gtHedgehog: begin

                gear^.AdvBounce:= 1;

                gear^.Radius:= cHHRadius;

                gear^.Elasticity:= _0_35;

                gear^.Friction:= _0_999;

                gear^.Angle:= cMaxAngle div 2;

                gear^.Density:= _3;

                gear^.Z:= cHHZ;

                if (GameFlags and gfAISurvival) <> 0 then

                    if gear^.Hedgehog^.BotLevel > 0 then

                        gear^.Hedgehog^.Effects[heResurrectable] := 1;

                end;

       gtShell: begin

                gear^.Radius:= 4;

                gear^.Density:= _1;

                end;

       gtSnowball: begin

                gear^.ImpactSound:= sndMudballImpact;

                gear^.nImpactSounds:= 1;

                gear^.Radius:= 4;

                gear^.Elasticity:= _1;

                gear^.Friction:= _1;

                gear^.Density:= _0_5;

                end;

     gtFlake: begin

                with Gear^ do

                    begin

                    Pos:= 0;

                    Radius:= 1;

                    DirAngle:= random(360);

                    if State and gstTmpFlag = 0 then

                        begin

                        dx.isNegative:= GetRandom(2) = 0;

                        dx.QWordValue:= $40DA * GetRandom(10000) * 8;

                        dy.isNegative:= false;

                        dy.QWordValue:= $3AD3 * GetRandom(7000) * 8;

                        if GetRandom(2) = 0 then

                            dx := -dx

                        end;

                    State:= State or gstInvisible;

                    Health:= random(vobFrameTicks);

                    Timer:= random(vobFramesCount);

                    Damage:= (random(2) * 2 - 1) * (vobVelocity + random(vobVelocity)) * 8;

                    end

                end;

       gtGrave: begin

                gear^.ImpactSound:= sndGraveImpact;

                gear^.nImpactSounds:= 1;

                gear^.Radius:= 10;

                gear^.Elasticity:= _0_6;

                end;

         gtBee: begin

                gear^.Radius:= 5;

                gear^.Timer:= 500;

                gear^.RenderTimer:= true;

                gear^.Elasticity:= _0_9;

                gear^.Tag:= 0;

                end;

   gtSeduction: begin

                gear^.Radius:= 250;

                end;

 gtShotgunShot: begin

                gear^.Timer:= 900;

                gear^.Radius:= 2

                end;

  gtPickHammer: begin

                gear^.Radius:= 10;

                gear^.Timer:= 4000

                end;

   gtHammerHit: begin

                gear^.Radius:= 8;

                gear^.Timer:= 125

                end;

        gtRope: begin

                gear^.Radius:= 3;

                gear^.Friction:= _450 * _0_01 * cRopePercent;

                RopePoints.Count:= 0;

                end;

        gtMine: begin

                gear^.ImpactSound:= sndMineImpact;

                gear^.nImpactSounds:= 1;

                gear^.Health:= 10;

                gear^.State:= gear^.State or gstMoving;

                gear^.Radius:= 2;

                gear^.Elasticity:= _0_55;

                gear^.Friction:= _0_995;

                gear^.Density:= _1;

                if cMinesTime < 0 then

                    gear^.Timer:= getrandom(51)*100

                else

                    gear^.Timer:= cMinesTime;

                end;

       gtSMine: begin

                gear^.Health:= 10;

                gear^.State:= gear^.State or gstMoving;

                gear^.Radius:= 2;

                gear^.Elasticity:= _0_55;

                gear^.Friction:= _0_995;

                gear^.Density:= _1_6;

                gear^.Timer:= 500;

                end;

       gtKnife: begin

                gear^.Density:= _4;

                gear^.Radius:= 16

                end;

        gtCase: begin

                gear^.ImpactSound:= sndGraveImpact;

                gear^.nImpactSounds:= 1;

                gear^.Radius:= 16;

                gear^.Elasticity:= _0_3;

                gear^.Timer:= 500

                end;

  gtExplosives: begin

                gear^.ImpactSound:= sndGrenadeImpact;

                gear^.nImpactSounds:= 1;

                gear^.Radius:= 16;

                gear^.Elasticity:= _0_4;

                gear^.Friction:= _0_995;

                gear^.Density:= _6;

                gear^.Health:= cBarrelHealth;

                gear^.Z:= cHHZ-1

                end;

  gtDEagleShot: begin

                gear^.Radius:= 1;

                gear^.Health:= 50

                end;

  gtSniperRifleShot: begin

                gear^.Radius:= 1;

                gear^.Health:= 50

                end;

    gtDynamite: begin

                gear^.Radius:= 3;

                gear^.Elasticity:= _0_55;

                gear^.Friction:= _0_03;

                gear^.Density:= _2;

                gear^.Timer:= 5000;

                end;

     gtCluster: begin

                gear^.Radius:= 2;

                gear^.Density:= _1_5;

                gear^.RenderTimer:= true

                end;

      gtShover: gear^.Radius:= 20;

       gtFlame: begin

                gear^.Tag:= GetRandom(32);

                gear^.Radius:= 1;

                gear^.Health:= 5;

                gear^.Density:= _1;

                if (gear^.dY.QWordValue = 0) and (gear^.dX.QWordValue = 0) then

                    begin

                    gear^.dY:= (getrandomf - _0_8) * _0_03;

                    gear^.dX:= (getrandomf - _0_5) * _0_4

                    end

                end;

   gtFirePunch: begin

                gear^.Radius:= 15;

                gear^.Tag:= Y

                end;

   gtAirAttack: gear^.Z:= cHHZ+2;

     gtAirBomb: begin

                gear^.Radius:= 5;

                gear^.Density:= _2;

                end;

   gtBlowTorch: begin

                gear^.Radius:= cHHRadius + cBlowTorchC;

                gear^.Timer:= 7500

                end;

    gtSwitcher: begin

                gear^.Z:= cCurrHHZ

                end;

      gtTarget: begin

                gear^.ImpactSound:= sndGrenadeImpact;

                gear^.nImpactSounds:= 1;

                gear^.Radius:= 10;

                gear^.Elasticity:= _0_3;

                gear^.Timer:= 0

                end;

      gtTardis: begin

                gear^.Timer:= 0;

                gear^.Pos:= 1;

                gear^.Z:= cCurrHHZ+1;

                end;

      gtMortar: begin

                gear^.Radius:= 4;

                gear^.Elasticity:= _0_2;

                gear^.Friction:= _0_08;

                gear^.Density:= _1;

                end;

        gtWhip: gear^.Radius:= 20;

      gtHammer: gear^.Radius:= 20;

    gtKamikaze: begin

                gear^.Health:= 2048;

                gear^.Radius:= 20

                end;

        gtCake: begin

                gear^.Health:= 2048;

                gear^.Radius:= 7;

                gear^.Z:= cOnHHZ;

                gear^.RenderTimer:= true;

                gear^.DirAngle:= -90 * hwSign(Gear^.dX);

                if not dX.isNegative then

                    gear^.Angle:= 1

                else

                    gear^.Angle:= 3

                end;

 gtHellishBomb: begin

                gear^.ImpactSound:= sndHellishImpact1;

                gear^.nImpactSounds:= 4;

                gear^.AdvBounce:= 1;

                gear^.Radius:= 4;

                gear^.Elasticity:= _0_5;

                gear^.Friction:= _0_96;

                gear^.Density:= _1_5;

                gear^.RenderTimer:= true;

                gear^.Timer:= 5000

                end;

       gtDrill: begin

                if gear^.Timer = 0 then

                    gear^.Timer:= 5000;

                // Tag for drill strike. if 1 then first impact occured already

                gear^.Tag := 0;

                gear^.Radius:= 4;

                gear^.Density:= _1;

                end;

        gtBall: begin

                gear^.ImpactSound:= sndGrenadeImpact;

                gear^.nImpactSounds:= 1;

                gear^.AdvBounce:= 1;

                gear^.Radius:= 5;

                gear^.Tag:= random(8);

                gear^.Timer:= 5000;

                gear^.Elasticity:= _0_7;

                gear^.Friction:= _0_995;

                gear^.Density:= _1_5;

                end;

     gtBallgun: begin

                gear^.Timer:= 5001;

                end;

     gtRCPlane: begin

                gear^.Timer:= 15000;

                gear^.Health:= 3;

                gear^.Radius:= 8

                end;

     gtJetpack: begin

                gear^.Health:= 2000;

                gear^.Damage:= 100

                end;

     gtMolotov: begin

                gear^.Radius:= 6;

                gear^.Density:= _2;

                end;

       gtBirdy: begin

                gear^.Radius:= 16; // todo: check

                gear^.Timer:= 0;

                gear^.Health := 2000;

                gear^.FlightTime := 2;

                end;

         gtEgg: begin

                gear^.Radius:= 4;

                gear^.Elasticity:= _0_6;

                gear^.Friction:= _0_96;

                gear^.Density:= _1;

                if gear^.Timer = 0 then

                    gear^.Timer:= 3000

                end;

      gtPortal: begin