--- a/hedgewars/GSHandlers.inc Thu Aug 23 20:43:39 2012 -0400
+++ b/hedgewars/GSHandlers.inc Fri Aug 24 14:01:07 2012 +0400
@@ -140,28 +140,6 @@
ScriptCall('onHogRestore', HH^.Gear^.Uid)
end;
-////////////////////////////////////////////////////////////////////////////////
-procedure CheckCollision(Gear: PGear); inline;
-begin
- if TestCollisionXwithGear(Gear, hwSign(Gear^.dX))
- or (TestCollisionYwithGear(Gear, hwSign(Gear^.dY)) <> 0) then
- Gear^.State := Gear^.State or gstCollision
- else
- Gear^.State := Gear^.State and (not gstCollision)
-end;
-
-procedure CheckCollisionWithLand(Gear: PGear); inline;
-begin
- if TestCollisionX(Gear, hwSign(Gear^.dX))
- or TestCollisionY(Gear, hwSign(Gear^.dY)) then
- Gear^.State := Gear^.State or gstCollision
- else
- Gear^.State := Gear^.State and (not gstCollision)
-end;
-
-
-////////////////////////////////////////////////////////////////////////////////
-
////////////////////////////////////////////////////////////////////////////////
procedure doStepDrowningGear(Gear: PGear);
@@ -1406,436 +1384,6 @@
end;
////////////////////////////////////////////////////////////////////////////////
-
-procedure doStepRope(Gear: PGear);
-forward;
-
-procedure doStepRopeAfterAttack(Gear: PGear);
-var
- HHGear: PGear;
-begin
- HHGear := Gear^.Hedgehog^.Gear;
- if ((HHGear^.State and gstHHDriven) = 0)
- or (CheckGearDrowning(HHGear))
- or (TestCollisionYwithGear(HHGear, 1) <> 0) then
- begin
- DeleteGear(Gear);
- isCursorVisible := false;
- ApplyAmmoChanges(HHGear^.Hedgehog^);
- exit
- end;
-
- HedgehogChAngle(HHGear);
-
- if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
- SetLittle(HHGear^.dX);
-
- if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
- HHGear^.dY := _0;
- HHGear^.X := HHGear^.X + HHGear^.dX;
- HHGear^.Y := HHGear^.Y + HHGear^.dY;
- HHGear^.dY := HHGear^.dY + cGravity;
-
- if (GameFlags and gfMoreWind) <> 0 then
- HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density;
-
- if (Gear^.Message and gmAttack) <> 0 then
- begin
- Gear^.X := HHGear^.X;
- Gear^.Y := HHGear^.Y;
-
- ApplyAngleBounds(Gear^.Hedgehog^, amRope);
-
- Gear^.dX := SignAs(AngleSin(HHGear^.Angle), HHGear^.dX);
- Gear^.dY := -AngleCos(HHGear^.Angle);
- Gear^.Friction := _4_5 * cRopePercent;
- Gear^.Elasticity := _0;
- Gear^.State := Gear^.State and (not gsttmpflag);
- Gear^.doStep := @doStepRope;
- end
-end;
-
-procedure RopeDeleteMe(Gear, HHGear: PGear);
-begin
- with HHGear^ do
- begin
- Message := Message and (not gmAttack);
- State := (State or gstMoving) and (not gstWinner);
- end;
- DeleteGear(Gear)
-end;
-
-procedure RopeWaitCollision(Gear, HHGear: PGear);
-begin
- with HHGear^ do
- begin
- Message := Message and (not gmAttack);
- State := State or gstMoving;
- end;
- RopePoints.Count := 0;
- Gear^.Elasticity := _0;
- Gear^.doStep := @doStepRopeAfterAttack
-end;
-
-procedure doStepRopeWork(Gear: PGear);
-var
- HHGear: PGear;
- len, tx, ty, nx, ny, ropeDx, ropeDy, mdX, mdY: hwFloat;
- lx, ly, cd: LongInt;
- haveCollision,
- haveDivided: boolean;
-
-begin
- HHGear := Gear^.Hedgehog^.Gear;
-
- if ((HHGear^.State and gstHHDriven) = 0)
- or (CheckGearDrowning(HHGear)) or (Gear^.PortalCounter <> 0) then
- begin
- PlaySound(sndRopeRelease);
- RopeDeleteMe(Gear, HHGear);
- exit
- end;
-
- if (Gear^.Message and gmLeft <> 0) and (not TestCollisionXwithGear(HHGear, -1)) then
- HHGear^.dX := HHGear^.dX - _0_0002;
-
- if (Gear^.Message and gmRight <> 0) and (not TestCollisionXwithGear(HHGear, 1)) then
- HHGear^.dX := HHGear^.dX + _0_0002;
-
- // vector between hedgehog and rope attaching point
- ropeDx := HHGear^.X - Gear^.X;
- ropeDy := HHGear^.Y - Gear^.Y;
-
- if TestCollisionYwithGear(HHGear, 1) = 0 then
- begin
-
- // depending on the rope vector we know which X-side to check for collision
- // in order to find out if the hog can still be moved by gravity
- if ropeDx.isNegative = RopeDy.IsNegative then
- cd:= -1
- else
- cd:= 1;
-
- // apply gravity if there is no obstacle
- if not TestCollisionXwithGear(HHGear, cd) then
- HHGear^.dY := HHGear^.dY + cGravity;
-
- if (GameFlags and gfMoreWind) <> 0 then
- // apply wind if there's no obstacle
- if not TestCollisionXwithGear(HHGear, hwSign(cWindSpeed)) then
- HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density;
- end;
-
- mdX := ropeDx + HHGear^.dX;
- mdY := ropeDy + HHGear^.dY;
- len := _1 / Distance(mdX, mdY);
- // rope vector plus hedgehog direction vector normalized
- mdX := mdX * len;
- mdY := mdY * len;
-
- // for visual purposes only
- Gear^.dX := mdX;
- Gear^.dY := mdY;
-
- /////
- tx := HHGear^.X;
- ty := HHGear^.Y;
-
- if ((Gear^.Message and gmDown) <> 0) and (Gear^.Elasticity < Gear^.Friction) then
- if not (TestCollisionXwithGear(HHGear, hwSign(ropeDx))
- or (TestCollisionYwithGear(HHGear, hwSign(ropeDy)) <> 0)) then
- Gear^.Elasticity := Gear^.Elasticity + _0_3;
-
- if ((Gear^.Message and gmUp) <> 0) and (Gear^.Elasticity > _30) then
- if not (TestCollisionXwithGear(HHGear, -hwSign(ropeDx))
- or (TestCollisionYwithGear(HHGear, -hwSign(ropeDy)) <> 0)) then
- Gear^.Elasticity := Gear^.Elasticity - _0_3;
-
- HHGear^.X := Gear^.X + mdX * Gear^.Elasticity;
- HHGear^.Y := Gear^.Y + mdY * Gear^.Elasticity;
-
- HHGear^.dX := HHGear^.X - tx;
- HHGear^.dY := HHGear^.Y - ty;
- ////
-
-
- haveDivided := false;
- // check whether rope needs dividing
-
- len := Gear^.Elasticity - _5;
- nx := Gear^.X + mdX * len;
- ny := Gear^.Y + mdY * len;
- tx := mdX * _0_3; // should be the same as increase step
- ty := mdY * _0_3;
-
- while len > _3 do
- begin
- lx := hwRound(nx);
- ly := hwRound(ny);
- if ((ly and LAND_HEIGHT_MASK) = 0) and ((lx and LAND_WIDTH_MASK) = 0) and ((Land[ly, lx] and $FF00) <> 0) then
- begin
- ny := _1 / Distance(ropeDx, ropeDy);
- // old rope pos
- nx := ropeDx * ny;
- ny := ropeDy * ny;
-
- with RopePoints.ar[RopePoints.Count] do
- begin
- X := Gear^.X;
- Y := Gear^.Y;
- if RopePoints.Count = 0 then
- RopePoints.HookAngle := DxDy2Angle(Gear^.dY, Gear^.dX);
- b := (nx * HHGear^.dY) > (ny * HHGear^.dX);
- dLen := len
- end;
-
- with RopePoints.rounded[RopePoints.Count] do
- begin
- X := hwRound(Gear^.X);
- Y := hwRound(Gear^.Y);
- end;
-
- Gear^.X := Gear^.X + nx * len;
- Gear^.Y := Gear^.Y + ny * len;
- inc(RopePoints.Count);
- TryDo(RopePoints.Count <= MAXROPEPOINTS, 'Rope points overflow', true);
- Gear^.Elasticity := Gear^.Elasticity - len;
- Gear^.Friction := Gear^.Friction - len;
- haveDivided := true;
- break
- end;
- nx := nx - tx;
- ny := ny - ty;
-
- // len := len - _0_3 // should be the same as increase step
- len.QWordValue := len.QWordValue - _0_3.QWordValue;
- end;
-
- if not haveDivided then
- if RopePoints.Count > 0 then // check whether the last dividing point could be removed
- begin
- tx := RopePoints.ar[Pred(RopePoints.Count)].X;
- ty := RopePoints.ar[Pred(RopePoints.Count)].Y;
- mdX := tx - Gear^.X;
- mdY := ty - Gear^.Y;
- if RopePoints.ar[Pred(RopePoints.Count)].b xor (mdX * (ty - HHGear^.Y) > (tx - HHGear^.X) * mdY) then
- begin
- dec(RopePoints.Count);
- Gear^.X := RopePoints.ar[RopePoints.Count].X;
- Gear^.Y := RopePoints.ar[RopePoints.Count].Y;
- Gear^.Elasticity := Gear^.Elasticity + RopePoints.ar[RopePoints.Count].dLen;
- Gear^.Friction := Gear^.Friction + RopePoints.ar[RopePoints.Count].dLen;
-
- // restore hog position
- len := _1 / Distance(mdX, mdY);
- mdX := mdX * len;
- mdY := mdY * len;
-
- HHGear^.X := Gear^.X - mdX * Gear^.Elasticity;
- HHGear^.Y := Gear^.Y - mdY * Gear^.Elasticity;
- end
- end;
-
- haveCollision := false;
- if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
- begin
- HHGear^.dX := -_0_6 * HHGear^.dX;
- haveCollision := true
- end;
- if TestCollisionYwithGear(HHGear, hwSign(HHGear^.dY)) <> 0 then
- begin
- HHGear^.dY := -_0_6 * HHGear^.dY;
- haveCollision := true
- end;
-
- if haveCollision and (Gear^.Message and (gmLeft or gmRight) <> 0) and (Gear^.Message and (gmUp or gmDown) <> 0) then
- begin
- HHGear^.dX := SignAs(hwAbs(HHGear^.dX) + _0_2, HHGear^.dX);
- HHGear^.dY := SignAs(hwAbs(HHGear^.dY) + _0_2, HHGear^.dY)
- end;
-
- len := hwSqr(HHGear^.dX) + hwSqr(HHGear^.dY);
- if len > _0_64 then
- begin
- len := _0_8 / hwSqrt(len);
- HHGear^.dX := HHGear^.dX * len;
- HHGear^.dY := HHGear^.dY * len;
- end;
-
- haveCollision:= ((hwRound(Gear^.Y) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X) and LAND_WIDTH_MASK) = 0) and ((Land[hwRound(Gear^.Y), hwRound(Gear^.X)]) <> 0);
-
- if not haveCollision then
- begin
- // backup gear location
- tx:= Gear^.X;
- ty:= Gear^.Y;
-
- if RopePoints.Count > 0 then
- begin
- // set gear location to the remote end of the rope, the attachment point
- Gear^.X:= RopePoints.ar[0].X;
- Gear^.Y:= RopePoints.ar[0].Y;
- end;
-
- CheckCollision(Gear);
- // if we haven't found any collision yet then check the other side too
- if (Gear^.State and gstCollision) = 0 then
- begin
- Gear^.dX.isNegative:= not Gear^.dX.isNegative;
- Gear^.dY.isNegative:= not Gear^.dY.isNegative;
- CheckCollision(Gear);
- Gear^.dX.isNegative:= not Gear^.dX.isNegative;
- Gear^.dY.isNegative:= not Gear^.dY.isNegative;
- end;
-
- haveCollision:= (Gear^.State and gstCollision) <> 0;
-
- // restore gear location
- Gear^.X:= tx;
- Gear^.Y:= ty;
- end;
-
- // if the attack key is pressed, lose rope contact as well
- if (Gear^.Message and gmAttack) <> 0 then
- haveCollision:= false;
-
- if not haveCollision then
- begin
- if (Gear^.State and gsttmpFlag) <> 0 then
- begin
- PlaySound(sndRopeRelease);
- if Gear^.Hedgehog^.CurAmmoType <> amParachute then
- RopeWaitCollision(Gear, HHGear)
- else
- RopeDeleteMe(Gear, HHGear)
- end
- end
- else
- if (Gear^.State and gsttmpFlag) = 0 then
- Gear^.State := Gear^.State or gsttmpFlag;
-end;
-
-procedure RopeRemoveFromAmmo(Gear, HHGear: PGear);
-begin
- if (Gear^.State and gstAttacked) = 0 then
- begin
- OnUsedAmmo(HHGear^.Hedgehog^);
- Gear^.State := Gear^.State or gstAttacked
- end;
- ApplyAmmoChanges(HHGear^.Hedgehog^)
-end;
-
-procedure doStepRopeAttach(Gear: PGear);
-var
- HHGear: PGear;
- tx, ty, tt: hwFloat;
-begin
- Gear^.X := Gear^.X - Gear^.dX;
- Gear^.Y := Gear^.Y - Gear^.dY;
- Gear^.Elasticity := Gear^.Elasticity + _1;
-
- HHGear := Gear^.Hedgehog^.Gear;
- DeleteCI(HHGear);
-
- if (HHGear^.State and gstMoving) <> 0 then
- begin
- if TestCollisionXwithGear(HHGear, hwSign(HHGear^.dX)) then
- SetLittle(HHGear^.dX);
- if HHGear^.dY.isNegative and (TestCollisionYwithGear(HHGear, -1) <> 0) then
- HHGear^.dY := _0;
-
- HHGear^.X := HHGear^.X + HHGear^.dX;
- Gear^.X := Gear^.X + HHGear^.dX;
-
- if TestCollisionYwithGear(HHGear, 1) <> 0 then
- begin
- CheckHHDamage(HHGear);
- HHGear^.dY := _0
- //HHGear^.State:= HHGear^.State and (not (gstHHJumping or gstHHHJump));
- end
- else
- begin
- HHGear^.Y := HHGear^.Y + HHGear^.dY;
- Gear^.Y := Gear^.Y + HHGear^.dY;
- HHGear^.dY := HHGear^.dY + cGravity;
- if (GameFlags and gfMoreWind) <> 0 then
- HHGear^.dX := HHGear^.dX + cWindSpeed / HHGear^.Density
- end;
-
- tt := Gear^.Elasticity;
- tx := _0;
- ty := _0;
- while tt > _20 do
- begin
- if ((hwRound(Gear^.Y+ty) and LAND_HEIGHT_MASK) = 0) and ((hwRound(Gear^.X+tx) and LAND_WIDTH_MASK) = 0) and ((Land[hwRound(Gear^.Y+ty), hwRound(Gear^.X+tx)] and $FF00) <> 0) then
- begin
- Gear^.X := Gear^.X + tx;
- Gear^.Y := Gear^.Y + ty;
- Gear^.Elasticity := tt;
- Gear^.doStep := @doStepRopeWork;
- PlaySound(sndRopeAttach);
- with HHGear^ do
- begin
- State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
- Message := Message and (not gmAttack)
- end;
-
- RopeRemoveFromAmmo(Gear, HHGear);
-
- tt := _0;
- exit
- end;
- tx := tx + Gear^.dX + Gear^.dX;
- ty := ty + Gear^.dY + Gear^.dY;
- tt := tt - _2;
- end;
- end;
-
- CheckCollision(Gear);
-
- if (Gear^.State and gstCollision) <> 0 then
- if Gear^.Elasticity < _10 then
- Gear^.Elasticity := _10000
- else
- begin
- Gear^.doStep := @doStepRopeWork;
- PlaySound(sndRopeAttach);
- with HHGear^ do
- begin
- State := State and (not (gstAttacking or gstHHJumping or gstHHHJump));
- Message := Message and (not gmAttack)
- end;
-
- RopeRemoveFromAmmo(Gear, HHGear);
-
- exit
- end;
-
- if (Gear^.Elasticity > Gear^.Friction)
- or ((Gear^.Message and gmAttack) = 0)
- or ((HHGear^.State and gstHHDriven) = 0)
- or (HHGear^.Damage > 0) then
- begin
- with Gear^.Hedgehog^.Gear^ do
- begin
- State := State and (not gstAttacking);
- Message := Message and (not gmAttack)
- end;
- DeleteGear(Gear);
- exit;
- end;
- if CheckGearDrowning(HHGear) then DeleteGear(Gear)
-end;
-
-procedure doStepRope(Gear: PGear);
-begin
- Gear^.dX := - Gear^.dX;
- Gear^.dY := - Gear^.dY;
- Gear^.doStep := @doStepRopeAttach;
- PlaySound(sndRopeShot)
-end;
-
-////////////////////////////////////////////////////////////////////////////////
procedure doStepMine(Gear: PGear);
var vg: PVisualGear;
begin