unit uAIMisc;

interface

uses SDLh, uConsts, uGears;

type TTarget = record

               Point: TPoint;

               Score: integer;

               end;

     TTargets = record

                Count: Longword;

                ar: array[0..cMaxHHIndex*5] of TTarget;

                end;

procedure FillTargets;

procedure FillBonuses;

function CheckBonuses(Gear: PGear): integer;

function DxDy2AttackAngle(const _dY, _dX: Extended): integer;

function TestColl(x, y, r: integer): boolean;

function RateExplosion(Me: PGear; x, y, r: integer): integer;

function HHGo(Gear: PGear): boolean;

var ThinkingHH: PGear;

    Targets: TTargets;

implementation

uses uTeams, uMisc, uLand, uCollisions;

const KillScore = 200;

      MAXBONUS = 1024;

type TBonus = record

              X, Y: integer;

              Radius: Longword;

              Score: integer;

              end;

var bonuses: record

             Count: Longword;

             ar: array[0..Pred(MAXBONUS)] of TBonus;

             end;

procedure FillTargets;

var t: PTeam;

    i: Longword;

begin

Targets.Count:= 0;

t:= TeamsList;

while t <> nil do

      begin

      for i:= 0 to cMaxHHIndex do

          if (t.Hedgehogs[i].Gear <> nil)

             and (t.Hedgehogs[i].Gear <> ThinkingHH) then

             begin

             with Targets.ar[Targets.Count], t.Hedgehogs[i] do

                  begin

                  Point.X:= Round(Gear.X);

                  Point.Y:= Round(Gear.Y);

                  if t <> CurrentTeam then Score:=  Gear.Health

                                      else Score:= -Gear.Health

                  end;

             inc(Targets.Count)

             end;

      t:= t.Next

      end

end;

procedure FillBonuses;

var Gear: PGear;

    procedure AddBonus(x, y: integer; r: Longword; s: integer);

    begin

    bonuses.ar[bonuses.Count].x:= x;

    bonuses.ar[bonuses.Count].y:= y;

    bonuses.ar[bonuses.Count].Radius:= r;

    bonuses.ar[bonuses.Count].Score:= s;

    inc(bonuses.Count);

    TryDo(bonuses.Count <= MAXBONUS, 'Bonuses overflow', true)

    end;

begin

bonuses.Count:= 0;

Gear:= GearsList;

while Gear <> nil do

      begin

      case Gear.Kind of

           gtCase: AddBonus(round(Gear.X), round(Gear.Y), 32, 25);

           gtMine: AddBonus(round(Gear.X), round(Gear.Y), 45, -50);

           gtAmmo_Bomb: AddBonus(round(Gear.X), round(Gear.Y), 50, -100);

           gtHedgehog: if Gear.Damage >= Gear.Health then AddBonus(round(Gear.X), round(Gear.Y), 50, -25);

           end;

      Gear:= Gear.NextGear

      end

end;

function CheckBonuses(Gear: PGear): integer;

var i: integer;

begin

Result:= 0;

for i:= 0 to Pred(bonuses.Count) do

    with bonuses.ar[i] do

         if sqrt(sqr(Gear.X - X) + sqr(Gear.Y - y)) <= Radius then

            inc(Result, Score) 

end;

function DxDy2AttackAngle(const _dY, _dX: Extended): integer;

const piDIVMaxAngle: Extended = pi/cMaxAngle;

asm

        fld     _dY

        fld     _dX

        fpatan

        fld     piDIVMaxAngle

        fdiv

        sub     esp, 4

        fistp   dword ptr [esp]

        pop     eax

end;

function TestColl(x, y, r: integer): boolean;

begin

Result:=(((x-r) and $FFFFF800) = 0)and(((y-r) and $FFFFFC00) = 0) and (Land[y-r, x-r] <> 0);

if Result then exit;

Result:=(((x-r) and $FFFFF800) = 0)and(((y+r) and $FFFFFC00) = 0) and (Land[y+r, x-r] <> 0);

if Result then exit;

Result:=(((x+r) and $FFFFF800) = 0)and(((y-r) and $FFFFFC00) = 0) and (Land[y-r, x+r] <> 0);

if Result then exit;

Result:=(((x+r) and $FFFFF800) = 0)and(((y+r) and $FFFFFC00) = 0) and (Land[y+r, x+r] <> 0);

end;

function RateExplosion(Me: PGear; x, y, r: integer): integer;

var i, dmg: integer;

begin

Result:= 0;

// add our virtual position

with Targets.ar[Targets.Count] do

     begin

     Point.x:= round(Me.X);

     Point.y:= round(Me.Y);

     Score:= - ThinkingHH.Health

     end;

// rate explosion

for i:= 0 to Targets.Count do

    with Targets.ar[i] do

         begin

         dmg:= r - Round(sqrt(sqr(Point.x - x) + sqr(Point.y - y)));

         if dmg > 0 then

            begin

            dmg:= dmg shr 1;

            if dmg > abs(Score) then

               if Score > 0 then inc(Result, KillScore)

                            else dec(Result, KillScore * 3)

            else

               if Score > 0 then inc(Result, dmg)

                            else dec(Result, dmg * 3)

            end;

         end;

end;

function HHGo(Gear: PGear): boolean;

var pX, pY: integer;

begin

Result:= false;

repeat

pX:= round(Gear.X);

pY:= round(Gear.Y);

if pY + cHHRadius >= cWaterLine then exit;

if (Gear.State and gstFalling) <> 0 then

   begin

   Gear.dY:= Gear.dY + cGravity;

   if Gear.dY > 0.35 then exit;

   Gear.Y:= Gear.Y + Gear.dY;

   if TestCollisionYwithGear(Gear, 1) then

      begin

      Gear.State:= Gear.State and not (gstFalling or gstHHJumping);

      Gear.dY:= 0

      end;

   continue

   end;

   {if ((Gear.Message and gm_LJump )<>0) then

      begin

      Gear.Message:= 0;

      if not HHTestCollisionYwithGear(Gear, -1) then

         if not TestCollisionXwithXYShift(Gear, 0, -2, Sign(Gear.dX)) then Gear.Y:= Gear.Y - 2 else

         if not TestCollisionXwithXYShift(Gear, 0, -1, Sign(Gear.dX)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithGear(Gear, Sign(Gear.dX))

         or   HHTestCollisionYwithGear(Gear, -1)) then

         begin

         Gear.dY:= -0.15;

         Gear.dX:= Sign(Gear.dX) * 0.15;

         Gear.State:= Gear.State or gstFalling or gstHHJumping;

         exit

         end;

      end;}

   if (Gear.Message and gm_Left  )<>0 then Gear.dX:= -1.0 else

   if (Gear.Message and gm_Right )<>0 then Gear.dX:=  1.0 else exit;

   if TestCollisionXwithGear(Gear, Sign(Gear.dX)) then

      begin

      if not (TestCollisionXwithXYShift(Gear, 0, -6, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithXYShift(Gear, 0, -5, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithXYShift(Gear, 0, -4, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithXYShift(Gear, 0, -3, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithXYShift(Gear, 0, -2, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      if not (TestCollisionXwithXYShift(Gear, 0, -1, Sign(Gear.dX))

         or TestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;

      end;

   if not TestCollisionXwithGear(Gear, Sign(Gear.dX)) then Gear.X:= Gear.X + Gear.dX;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

   begin

   Gear.Y:= Gear.Y + 1;

   if not TestCollisionYwithGear(Gear, 1) then

      begin

      Gear.Y:= Gear.Y - 6;

      Gear.dY:= 0;

      Gear.dX:= 0.0000001 * Sign(Gear.dX);

      Gear.State:= Gear.State or gstFalling

      end

   end

   end

   end

   end

   end

   end;

if (pX <> round(Gear.X))and ((Gear.State and gstFalling) = 0) then

   begin

   Result:= true;

   exit

   end;

until (pX = round(Gear.X)) and (pY = round(Gear.Y)) and ((Gear.State and gstFalling) = 0);

end;

end.