(*
* Hedgewars, a worms-like game
* Copyright (c) 2004, 2005 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.
*)
procedure doStepHedgehog(Gear: PGear); forward;
////////////////////////////////////////////////////////////////////////////////
procedure doStepHedgehogDriven(Gear: PGear);
const StepTicks: LongWord = 0;
var t: PGear;
begin
if isinMultiShoot and (Gear.Damage = 0) then exit;
AllInactive:= false;
if (TurnTimeLeft = 0) or (Gear.Damage > 0) then
begin
if ((Gear.State and (gstMoving or gstFalling)) = 0)
and (CurAmmoGear = nil) then Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.State:= Gear.State and not gstHHDriven;
if Gear.Damage > 0 then
Gear.State:= Gear.State and not gstHHJumping;
exit
end;
// check for case with ammo
t:= CheckGearNear(Gear, gtCase, 25, 25);
if t <> nil then
begin
t.Message:= gm_Destroy;
; // take ammo from it
end;
if CurAmmoGear <> nil then
begin
CurAmmoGear.Message:= Gear.Message;
exit
end;
if (Gear.Message and gm_Attack)<>0 then
if (Gear.State and (gstAttacked or gstHHChooseTarget) = 0)and(CurAmmoGear = nil) then
with PHedgehog(Gear.Hedgehog)^ do
// if ((Gear.State and gstFalling ) = 0)or((Ammo[CurSlot, CurAmmo].Propz and ammoprop_AttackInFall) <> 0)
// and((Gear.State and gstHHJumping) = 0)or((Ammo[CurSlot, CurAmmo].Propz and ammoprop_AttackInJump) <> 0) then
begin
Gear.State:= Gear.State or gstAttacking;
if Gear.Power = cMaxPower then ParseCommand('-attack')
else begin
if (Ammo[CurSlot, CurAmmo].Propz and ammoprop_Power) = 0 then Gear.Power:= cMaxPower
else begin
if Gear.Power = 0 then
begin
AttackBar:= CurrentTeam.AttackBar;
PlaySound(sndThrowPowerUp)
end;
inc(Gear.Power)
end
end;
end else Gear.Message:= Gear.Message and not gm_Attack;
if (Gear.State and gstFalling) <> 0 then
begin
// it could be the source to trick: double-backspace jump -> vertical wall
// collision - > (abs(Gear.dX) < 0.0000002) -> backspace -> even more high jump
if ((Gear.Message and gm_HJump) <> 0) and ((Gear.State and gstHHJumping) <> 0) then
if (abs(Gear.dX) < 0.0000002) and (Gear.dY < -0.02) then
begin
Gear.dY:= -0.25;
Gear.dX:= Sign(Gear.dX) * 0.02
end;
Gear.Message:= Gear.Message and not (gm_LJump or gm_HJump);
if TestCollisionXwithGear(Gear, Sign(Gear.dX)) then Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.X:= Gear.X + Gear.dX;
Gear.dY:= Gear.dY + cGravity;
if (Gear.dY < 0)and TestCollisionYwithGear(Gear, -1) then Gear.dY:= 0;
Gear.Y:= Gear.Y + Gear.dY;
if (Gear.dY >= 0)and HHTestCollisionYwithGear(Gear, 1) then
begin
CheckHHDamage(Gear);
if ((abs(Gear.dX) + abs(Gear.dY)) < 0.55)
and ((Gear.State and gstHHJumping) <> 0) then Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.State:= Gear.State and not (gstFalling or gstHHJumping);
StepTicks:= 200;
Gear.dY:= 0
end;
CheckGearDrowning(Gear);
exit
end;
if StepTicks > 0 then dec(StepTicks);
if ((Gear.State and (gstMoving or gstFalling)) = 0) then
if (Gear.Message and gm_Up )<>0 then if Gear.Angle > 0 then dec(Gear.Angle)
else else
if (Gear.Message and gm_Down )<>0 then if Gear.Angle < cMaxAngle then inc(Gear.Angle);
if ((Gear.State and (gstAttacking or gstMoving or gstFalling)) = 0)and(StepTicks = 0) then
begin
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_HJump )<>0) then
begin
Gear.Message:= 0;
if not HHTestCollisionYwithGear(Gear, -1) then
begin
Gear.dY:= -0.20;
Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.X:= Gear.X - Sign(Gear.dX)*0.00008; // компенсация сдвига %)
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;
PHedgehog(Gear.Hedgehog).visStepPos:= (PHedgehog(Gear.Hedgehog).visStepPos + 1) and 7;
StepTicks:= 40;
if TestCollisionXwithGear(Gear, Sign(Gear.dX)) then
begin
if not (TestCollisionXwithXYShift(Gear, 0, -6, Sign(Gear.dX))
or HHTestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
if not (TestCollisionXwithXYShift(Gear, 0, -5, Sign(Gear.dX))
or HHTestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
if not (TestCollisionXwithXYShift(Gear, 0, -4, Sign(Gear.dX))
or HHTestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
if not (TestCollisionXwithXYShift(Gear, 0, -3, Sign(Gear.dX))
or HHTestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
if not (TestCollisionXwithXYShift(Gear, 0, -2, Sign(Gear.dX))
or HHTestCollisionYwithGear(Gear, -1)) then Gear.Y:= Gear.Y - 1;
if not (TestCollisionXwithXYShift(Gear, 0, -1, Sign(Gear.dX))
or HHTestCollisionYwithGear(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 HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(Gear, 1) then
begin
Gear.Y:= Gear.Y + 1;
if not HHTestCollisionYwithGear(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;
SetAllHHToActive
end
end
end
end
end
end
end
end;
////////////////////////////////////////////////////////////////////////////////
procedure doStepHedgehogFree(Gear: PGear);
begin
if not HHTestCollisionYwithGear(Gear, 1) then
begin
if (Gear.dY < 0) and HHTestCollisionYwithGear(Gear, -1) then Gear.dY:= 0;
Gear.State:= Gear.State or gstFalling or gstMoving;
Gear.dY:= Gear.dY + cGravity
end else begin
CheckHHDamage(Gear);
if ((abs(Gear.dX) + abs(Gear.dY)) < 0.55)
and ((Gear.State and gstHHJumping) <> 0) then Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.State:= Gear.State and not (gstFalling or gstHHJumping);
if Gear.dY > 0 then Gear.dY:= 0;
if ((Gear.State and gstMoving) <> 0) then Gear.dX:= Gear.dX * Gear.Friction
end;
if (Gear.State and gstMoving) <> 0 then
if TestCollisionXwithGear(Gear, Sign(Gear.dX)) then
if ((Gear.State and gstFalling) = 0) then
if abs(Gear.dX) > 0.01 then
if not TestCollisionXwithXYShift(Gear, 0, -1, Sign(Gear.dX)) then begin Gear.dX:= Gear.dX * 0.9; Gear.Y:= Gear.Y - 1 end else
if not TestCollisionXwithXYShift(Gear, 0, -2, Sign(Gear.dX)) then begin Gear.dX:= Gear.dX * 0.9; Gear.Y:= Gear.Y - 2 end else
if not TestCollisionXwithXYShift(Gear, 0, -3, Sign(Gear.dX)) then begin Gear.dX:= Gear.dX * 0.9; Gear.Y:= Gear.Y - 3 end else
if not TestCollisionXwithXYShift(Gear, 0, -4, Sign(Gear.dX)) then begin Gear.dX:= Gear.dX * 0.9; Gear.Y:= Gear.Y - 4 end else
if not TestCollisionXwithXYShift(Gear, 0, -5, Sign(Gear.dX)) then begin Gear.dX:= Gear.dX * 0.3; Gear.Y:= Gear.Y - 5 end else
if abs(Gear.dX) > 0.02 then Gear.dX:= -0.5 * Gear.dX
else begin
Gear.State:= Gear.State and not gstMoving;
Gear.dX:= 0.0000001 * Sign(Gear.dX)
end
else begin
Gear.State:= Gear.State and not gstMoving;
Gear.dX:= 0.0000001 * Sign(Gear.dX)
end
else Gear.dX:= -0.8 * Gear.dX;
if ((Gear.State and gstFalling) = 0)and
(sqr(Gear.dX) + sqr(Gear.dY) < 0.0008) then
begin
Gear.State:= Gear.State and not gstMoving;
Gear.dX:= 0.0000001 * Sign(Gear.dX);
Gear.dY:= 0
end else Gear.State:= Gear.State or gstMoving;
if (Gear.State and gstMoving) <> 0 then
begin
Gear.X:= Gear.X + Gear.dX;
Gear.Y:= Gear.Y + Gear.dY
end else
if Gear.Health = 0 then
begin
if AllInactive then
begin
doMakeExplosion(round(Gear.X), round(Gear.Y), 30, EXPLAutoSound);
AddGear(round(Gear.X), round(Gear.Y), gtGrave, 0).Hedgehog:= Gear.Hedgehog;
DeleteGear(Gear);
SetAllToActive
end;
AllInactive:= false;
exit
end;
AllInactive:= false;
if (not CheckGearDrowning(Gear)) and
((Gear.State and gstMoving) = 0) then
begin
Gear.State:= 0;
Gear.Active:= false;
AddGearCR(Gear);
exit
end
end;
////////////////////////////////////////////////////////////////////////////////
procedure doStepHedgehog(Gear: PGear);
begin
if (Gear.Message and gm_Destroy) <> 0 then
begin
DeleteGear(Gear);
exit
end;
if Gear.CollIndex < High(Longword) then DeleteCR(Gear);
if (Gear.State and gstHHDriven) = 0 then doStepHedgehogFree(Gear)
else doStepHedgehogDriven(Gear)
end;