(*

 * Hedgewars, a worms-like game

 * Copyright (c) 2005, 2006 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * Distributed under the terms of the BSD-modified licence:

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * with the Software without restriction, including without limitation the

 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

 * sell copies of the Software, and to permit persons to whom the Software is

 * furnished to do so, subject to the following conditions:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions and the following disclaimer in the documentation

 *    and/or other materials provided with the distribution.

 * 3. The name of the author may not be used to endorse or promote products

 *    derived from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *)

unit uAIActions;

interface

uses uGears;

const MAXACTIONS = 96;

      aia_none       = 0;

      aia_Left       = 1;

      aia_Right      = 2;

      aia_Timer      = 3;

      aia_attack     = 4;

      aia_Up         = 5;

      aia_Down       = 6;

      aia_Weapon     = $80000000;

      aia_WaitX      = $80000001;

      aia_WaitY      = $80000002;

      aia_LookLeft   = $80000003;

      aia_LookRight  = $80000004;

      aia_AwareExpl  = $80000005;

      aim_push       = $80000000;

      aim_release    = $80000001;

      ai_specmask    = $80000000;

type TAction = record

               Action, Param: Longword;

               X, Y: integer;

               Time: Longword;

               end;

     TActions = record

                Count, Pos: Longword;

                actions: array[0..Pred(MAXACTIONS)] of TAction;

                Score: integer;

                end;

procedure AddAction(var Actions: TActions; Action, Param, TimeDelta: Longword; const X: integer = 0; Y: integer = 0);

procedure ProcessAction(var Actions: TActions; Me: PGear);

implementation

uses uMisc, uTeams, uConsts, uConsole, uAIMisc;

const ActionIdToStr: array[0..6] of string[16] = (

{aia_none}           '',

{aia_Left}           'left',

{aia_Right}          'right',

{aia_Timer}          'timer',

{aia_attack}         'attack',

{aia_Up}             'up',

{aia_Down}           'down'

                     );

procedure AddAction(var Actions: TActions; Action, Param, TimeDelta: Longword; const X: integer = 0; Y: integer = 0);

begin

with Actions do

     begin

     actions[Count].Action:= Action;

     actions[Count].Param:= Param;

     actions[Count].X:= X;

     actions[Count].Y:= Y;

     if Count > 0 then actions[Count].Time:= TimeDelta

                  else actions[Count].Time:= GameTicks + TimeDelta;

     inc(Count);

     TryDo(Count < MAXACTIONS, 'AI: actions overflow', true);

     end

end;

procedure SetWeapon(weap: Longword);

begin

with CurrentTeam^ do

     with Hedgehogs[CurrHedgehog] do

          while Ammo[CurSlot, CurAmmo].AmmoType <> TAmmoType(weap) do

                ParseCommand('/slot ' + chr(49 + Ammoz[TAmmoType(weap)].Slot));

end;

procedure ProcessAction(var Actions: TActions; Me: PGear);

var s: shortstring;

begin

if Actions.Pos >= Actions.Count then exit;

with Actions.actions[Actions.Pos] do

     begin

     if Time > GameTicks then exit;

     if (Action and ai_specmask) <> 0 then

        case Action of

           aia_Weapon: SetWeapon(Param);

            aia_WaitX: if round(Me.X) = Param then Time:= GameTicks

                                              else exit;

            aia_WaitY: if round(Me.Y) = Param then Time:= GameTicks

                                              else exit;

         aia_LookLeft: if Me.dX >= 0 then

                          begin

                          ParseCommand('+left');

                          exit

                          end else ParseCommand('-left');

        aia_LookRight: if Me.dX < 0 then

                          begin

                          ParseCommand('+right');

                          exit

                          end else ParseCommand('-right');

        aia_AwareExpl: AwareOfExplosion(X, Y, Param);

             end else

        begin

        s:= ActionIdToStr[Action];

        if (Param and ai_specmask) <> 0 then

           case Param of

             aim_push: s:= '+' + s;

          aim_release: s:= '-' + s;

             end

          else if Param <> 0 then s:= s + ' ' + inttostr(Param);

        ParseCommand(s)

        end

     end;

inc(Actions.Pos);

if Actions.Pos <= Actions.Count then

   inc(Actions.actions[Actions.Pos].Time, GameTicks)

end;

end.