hedgewars/uAIMisc.pas
author unc0rr
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(*
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 * Hedgewars, a worms-like game
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 * Copyright (c) 2005, 2006 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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 *)
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unit uAIMisc;
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interface
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uses SDLh, uConsts, uGears;
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{$INCLUDE options.inc}
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type TTarget = record
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               Point: TPoint;
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               Score: integer;
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               end;
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     TTargets = record
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                Count: Longword;
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                ar: array[0..cMaxHHIndex*5] of TTarget;
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                end;
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     TJumpType = (jmpNone, jmpHJump, jmpLJump);
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     TGoInfo = record
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               Ticks: Longword;
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               FallPix: Longword;
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               JumpType: TJumpType;
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               end;
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procedure FillTargets;
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procedure FillBonuses(isAfterAttack: boolean);
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procedure AwareOfExplosion(x, y, r: integer);
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function RatePlace(Gear: PGear): integer;
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function TestColl(x, y, r: integer): boolean;
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function RateExplosion(Me: PGear; x, y, r: integer): integer;
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function RateShove(Me: PGear; x, y, r, power: integer): integer;
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function HHGo(Gear, AltGear: PGear; out GoInfo: TGoInfo): boolean;
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function rndSign(num: integer): integer;
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var ThinkingHH: PGear;
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    Targets: TTargets;
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implementation
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uses uTeams, uMisc, uLand, uCollisions;
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const KillScore = 200;
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      MAXBONUS = 1024;
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type TBonus = record
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              X, Y: integer;
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              Radius: integer;
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              Score: integer;
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              end;
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var bonuses: record
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             Count: Longword;
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             ar: array[0..Pred(MAXBONUS)] of TBonus;
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             end;
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    KnownExplosion: record
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                    X, Y, Radius: integer
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                    end = (X: 0; Y: 0; Radius: 0);
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procedure FillTargets;
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var t: PTeam;
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    i: Longword;
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begin
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Targets.Count:= 0;
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t:= TeamsList;
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while t <> nil do
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      begin
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      for i:= 0 to cMaxHHIndex do
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          if (t.Hedgehogs[i].Gear <> nil)
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             and (t.Hedgehogs[i].Gear <> ThinkingHH) then
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             begin
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             with Targets.ar[Targets.Count], t.Hedgehogs[i] do
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                  begin
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                  Point.X:= Round(Gear.X);
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                  Point.Y:= Round(Gear.Y);
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                  if t.Color <> CurrentTeam.Color then Score:=  Gear.Health
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                                                  else Score:= -Gear.Health
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                  end;
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             inc(Targets.Count)
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             end;
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      t:= t.Next
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      end
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end;
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procedure FillBonuses(isAfterAttack: boolean);
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var Gear: PGear;
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    MyColor: Longword;
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    procedure AddBonus(x, y: integer; r: Longword; s: integer);
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    begin
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    bonuses.ar[bonuses.Count].x:= x;
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    bonuses.ar[bonuses.Count].y:= y;
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    bonuses.ar[bonuses.Count].Radius:= r;
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    bonuses.ar[bonuses.Count].Score:= s;
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    inc(bonuses.Count);
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    TryDo(bonuses.Count <= MAXBONUS, 'Bonuses overflow', true)
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    end;
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begin
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bonuses.Count:= 0;
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MyColor:= PHedgehog(ThinkingHH.Hedgehog).Team.Color;
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SDL_LockMutex(GearsListMutex);
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Gear:= GearsList;
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while Gear <> nil do
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      begin
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      case Gear.Kind of
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           gtCase: AddBonus(round(Gear.X), round(Gear.Y), 33, 25);
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           gtMine: if (Gear.State and gstAttacking) = 0 then AddBonus(round(Gear.X), round(Gear.Y), 50, -50)
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                                                        else AddBonus(round(Gear.X), round(Gear.Y), 100, -50); // mine is on
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           gtDynamite: AddBonus(round(Gear.X), round(Gear.Y), 150, -75);
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           gtHedgehog: begin
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                       if Gear.Damage >= Gear.Health then AddBonus(round(Gear.X), round(Gear.Y), 60, -25) else
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                          if isAfterAttack and (ThinkingHH.Hedgehog <> Gear.Hedgehog) then
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                             if (MyColor = PHedgehog(Gear.Hedgehog).Team.Color) then AddBonus(round(Gear.X), round(Gear.Y), 150, -3) // hedgehog-friend
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                                                                                else AddBonus(round(Gear.X), round(Gear.Y), 100, 3)
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                       end;
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           end;
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      Gear:= Gear.NextGear
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      end;
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SDL_UnlockMutex(GearsListMutex);
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if isAfterAttack and (KnownExplosion.Radius > 0) then
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   with KnownExplosion do
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        AddBonus(X, Y, Radius + 10, -Radius);
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end;
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procedure AwareOfExplosion(x, y, r: integer);
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begin
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KnownExplosion.X:= x;
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KnownExplosion.Y:= y;
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KnownExplosion.Radius:= r
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end;
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function RatePlace(Gear: PGear): integer;
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var i, r: integer;
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begin
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Result:= 0;
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for i:= 0 to Pred(bonuses.Count) do
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    with bonuses.ar[i] do
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         begin
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         r:= round(sqrt(sqr(Gear.X - X) + sqr(Gear.Y - y)));
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         if r < Radius then
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            inc(Result, Score * (Radius - r))
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         end;
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end;
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function TestColl(x, y, r: integer): boolean;
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begin
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Result:=(((x-r) and $FFFFF800) = 0)and(((y-r) and $FFFFFC00) = 0) and (Land[y-r, x-r] <> 0);
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if Result then exit;
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Result:=(((x-r) and $FFFFF800) = 0)and(((y+r) and $FFFFFC00) = 0) and (Land[y+r, x-r] <> 0);
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if Result then exit;
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Result:=(((x+r) and $FFFFF800) = 0)and(((y-r) and $FFFFFC00) = 0) and (Land[y-r, x+r] <> 0);
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if Result then exit;
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Result:=(((x+r) and $FFFFF800) = 0)and(((y+r) and $FFFFFC00) = 0) and (Land[y+r, x+r] <> 0);
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end;
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function RateExplosion(Me: PGear; x, y, r: integer): integer;
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var i, dmg: integer;
4
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begin
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Result:= 0;
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// add our virtual position
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with Targets.ar[Targets.Count] do
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     begin
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     Point.x:= round(Me.X);
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     Point.y:= round(Me.Y);
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     Score:= - ThinkingHH.Health
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     end;
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// rate explosion
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for i:= 0 to Targets.Count do
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    with Targets.ar[i] do
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         begin
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         dmg:= r - Round(sqrt(sqr(Point.x - x) + sqr(Point.y - y)));
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         if dmg > 0 then
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            begin
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            dmg:= dmg shr 1;
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            if dmg > abs(Score) then
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               if Score > 0 then inc(Result, KillScore)
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                            else dec(Result, KillScore * 3)
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            else
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               if Score > 0 then inc(Result, dmg)
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                            else dec(Result, dmg * 3)
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            end;
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         end;
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Result:= Result * 1024
66
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end;
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   196
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function RateShove(Me: PGear; x, y, r, power: integer): integer;
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var i, dmg: integer;
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begin
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Result:= 0;
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for i:= 0 to Targets.Count do
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    with Targets.ar[i] do
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         begin
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         dmg:= r - Round(sqrt(sqr(Point.x - x) + sqr(Point.y - y)));
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         if dmg > 0 then
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            begin
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            if power > abs(Score) then
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               if Score > 0 then inc(Result, KillScore)
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                            else dec(Result, KillScore * 3)
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            else
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               if Score > 0 then inc(Result, power)
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                            else dec(Result, power * 3)
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            end;
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         end;
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Result:= Result * 1024
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end;
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function HHJump(Gear: PGear; JumpType: TJumpType; out GoInfo: TGoInfo): boolean;
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var bX, bY: integer;
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begin
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Result:= false;
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GoInfo.Ticks:= 0;
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GoInfo.FallPix:= 0;
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GoInfo.JumpType:= jmpNone;
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bX:= round(Gear.X);
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bY:= round(Gear.Y);
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case JumpType of
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     jmpNone: exit;
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    jmpHJump: if not TestCollisionYwithGear(Gear, -1) then
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                 begin
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                 Gear.dY:= -0.20;
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                 Gear.dX:= 0.0000001 * hwSign(Gear.dX);
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                 Gear.X:= Gear.X - hwSign(Gear.dX)*0.00008; // shift compensation
80
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                 Gear.State:= Gear.State or gstFalling or gstHHJumping;
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                 end else exit;
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    jmpLJump: begin
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              if not TestCollisionYwithGear(Gear, -1) then
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                 if not TestCollisionXwithXYShift(Gear, 0, -2, hwSign(Gear.dX)) then Gear.Y:= Gear.Y - 2 else
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                 if not TestCollisionXwithXYShift(Gear, 0, -1, hwSign(Gear.dX)) then Gear.Y:= Gear.Y - 1;
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              if not (TestCollisionXwithGear(Gear, hwSign(Gear.dX))
80
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                 or   TestCollisionYwithGear(Gear, -1)) then
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                 begin
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                 Gear.dY:= -0.15;
108
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                 Gear.dX:= hwSign(Gear.dX) * 0.15;
80
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                 Gear.State:= Gear.State or gstFalling or gstHHJumping
82
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                 end else exit
80
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              end
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    end;
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   249
    
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repeat
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if Gear.Y + cHHRadius >= cWaterLine then exit;
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if (Gear.State and gstFalling) <> 0 then
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   begin
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   254
   if (GoInfo.Ticks = 350) then
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   255
      if (abs(Gear.dX) < 0.0000002) and (Gear.dY < -0.02) then
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         begin
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         Gear.dY:= -0.25;
108
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         Gear.dX:= hwSign(Gear.dX) * 0.02
80
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   259
         end;
108
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   if TestCollisionXwithGear(Gear, hwSign(Gear.dX)) then Gear.dX:= 0.0000001 * hwSign(Gear.dX);
80
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   261
   Gear.X:= Gear.X + Gear.dX;
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   262
   inc(GoInfo.Ticks);
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   263
   Gear.dY:= Gear.dY + cGravity;
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   264
   if Gear.dY > 0.40 then exit;
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   265
   if (Gear.dY < 0)and TestCollisionYwithGear(Gear, -1) then Gear.dY:= 0; 
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   266
   Gear.Y:= Gear.Y + Gear.dY;
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   267
   if (Gear.dY >= 0)and TestCollisionYwithGear(Gear, 1) then
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   268
      begin
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   269
      Gear.State:= Gear.State and not (gstFalling or gstHHJumping);
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   270
      Gear.dY:= 0;
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   271
      case JumpType of
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   272
           jmpHJump: if (bY - Gear.Y > 5) then
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                        begin
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                        Result:= true;
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                        GoInfo.JumpType:= jmpHJump;
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                        inc(GoInfo.Ticks, 300 + 300) // 300 before jump, 300 after
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   277
                        end;
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   278
           jmpLJump: if abs(bX - Gear.X) > 30 then
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   279
                        begin
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                        Result:= true;
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   281
                        GoInfo.JumpType:= jmpLJump;
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   282
                        inc(GoInfo.Ticks, 300 + 300) // 300 before jump, 300 after
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   283
                        end;
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   284
           end;
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   285
      exit
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   286
      end;
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   287
   end;
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   288
until false;
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   289
end;
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   290
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   291
function HHGo(Gear, AltGear: PGear; out GoInfo: TGoInfo): boolean;
66
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   292
var pX, pY: integer;
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   293
begin
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   294
Result:= false;
80
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   295
AltGear^:= Gear^;
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   296
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   297
GoInfo.Ticks:= 0;
80
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   298
GoInfo.FallPix:= 0;
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   299
GoInfo.JumpType:= jmpNone;
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   300
repeat
66
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   301
pX:= round(Gear.X);
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   302
pY:= round(Gear.Y);
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   303
if pY + cHHRadius >= cWaterLine then exit;
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   304
if (Gear.State and gstFalling) <> 0 then
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   305
   begin
75
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   306
   inc(GoInfo.Ticks);
66
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   307
   Gear.dY:= Gear.dY + cGravity;
75
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   308
   if Gear.dY > 0.40 then
d2b737858ff7 - New First Aid powerup
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diff changeset
   309
      begin
80
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   310
      Goinfo.FallPix:= 0;
82
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   311
      HHJump(AltGear, jmpLJump, GoInfo); // try ljump enstead of fall with damage
75
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   312
      exit
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   313
      end;
66
9643d75baf1e Many AI improvements, bots do think in separate thread
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   314
   Gear.Y:= Gear.Y + Gear.dY;
80
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   315
   if round(Gear.Y) > pY then inc(GoInfo.FallPix);
66
9643d75baf1e Many AI improvements, bots do think in separate thread
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   316
   if TestCollisionYwithGear(Gear, 1) then
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   317
      begin
75
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   318
      inc(GoInfo.Ticks, 300);
66
9643d75baf1e Many AI improvements, bots do think in separate thread
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   319
      Gear.State:= Gear.State and not (gstFalling or gstHHJumping);
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   320
      Gear.dY:= 0;
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   321
      Result:= true;
82
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diff changeset
   322
      HHJump(AltGear, jmpLJump, GoInfo); // try ljump instead of fall
75
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   323
      exit
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   324
      end;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   325
   continue
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   326
   end;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   327
   if (Gear.Message and gm_Left  )<>0 then Gear.dX:= -1.0 else
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   328
   if (Gear.Message and gm_Right )<>0 then Gear.dX:=  1.0 else exit;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   329
   if TestCollisionXwithGear(Gear, hwSign(Gear.dX)) then
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   330
      begin
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   331
      if not (TestCollisionXwithXYShift(Gear, 0, -6, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   332
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   333
      if not (TestCollisionXwithXYShift(Gear, 0, -5, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   334
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   335
      if not (TestCollisionXwithXYShift(Gear, 0, -4, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   336
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   337
      if not (TestCollisionXwithXYShift(Gear, 0, -3, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   338
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   339
      if not (TestCollisionXwithXYShift(Gear, 0, -2, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   340
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   341
      if not (TestCollisionXwithXYShift(Gear, 0, -1, hwSign(Gear.dX))
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   342
         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   343
      end;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   344
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   345
   if not TestCollisionXwithGear(Gear, hwSign(Gear.dX)) then
75
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   346
      begin
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   347
      Gear.X:= Gear.X + Gear.dX;
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   348
      inc(GoInfo.Ticks, cHHStepTicks)
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   349
      end;
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   350
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   351
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   352
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   353
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   354
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   355
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   356
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   357
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   358
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   359
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   360
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   361
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   362
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   363
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   364
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   365
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   366
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   367
   Gear.Y:= Gear.Y + 1;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   368
   if not TestCollisionYwithGear(Gear, 1) then
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   369
      begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   370
      Gear.Y:= Gear.Y - 6;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   371
      Gear.dY:= 0;
108
08f1fe6f21f8 Small fixes for better FPC compatibility
unc0rr
parents: 100
diff changeset
   372
      Gear.dX:= 0.0000001 * hwSign(Gear.dX);
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   373
      Gear.State:= Gear.State or gstFalling
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   374
      end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   375
   end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   376
   end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   377
   end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   378
   end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   379
   end
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   380
   end;
75
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   381
if (pX <> round(Gear.X)) and ((Gear.State and gstFalling) = 0) then
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   382
   begin
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   383
   Result:= true;
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   384
   exit
75
d2b737858ff7 - New First Aid powerup
unc0rr
parents: 74
diff changeset
   385
   end
66
9643d75baf1e Many AI improvements, bots do think in separate thread
unc0rr
parents: 64
diff changeset
   386
until (pX = round(Gear.X)) and (pY = round(Gear.Y)) and ((Gear.State and gstFalling) = 0);
80
3c3dc6a148ca - Fixed bug with hedgehog under water using rope
unc0rr
parents: 79
diff changeset
   387
HHJump(AltGear, jmpHJump, GoInfo)
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   388
end;
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   389
136
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   390
function rndSign(num: integer): integer;
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   391
begin
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   392
if random(2) = 0 then Result:=   num
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   393
                 else Result:= - num
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   394
end;
89970b70b076 Implement bot levels
unc0rr
parents: 108
diff changeset
   395
4
bcbd7adb4e4b - set svn:eol-style to native
unc0rr
parents: 1
diff changeset
   396
end.