IsProjectileTarget: make failsafe if projectile is nil and clean up

planet/Arena.ocf/ThunderousSkies.ocs/TargetBalloon.ocd/Script.c

@@ -28,9 +28,9 @@ global func FxHorizontalMovingTimer(object target, effect, int time)
 	return 1;
 }
 
-public func IsProjectileTarget(target,shooter)
+public func IsProjectileTarget(object projectile, object shooter)
 {
-	return 1;
+	return true;
 }
 
 public func OnProjectileHit(object projectile)

planet/Objects.ocd/Goals.ocd/Defense.ocd/DefenseBoomAttack.ocd/Script.c

@@ -244,7 +244,7 @@ public func OnUnmount(object clonk)
 /*-- Explosion --*/
 
 // Don't get hit by projectiles shot from own rider.
-public func IsProjectileTarget(target,shooter) { return (!shooter) || (shooter->GetActionTarget() != this); }
+public func IsProjectileTarget(object projectile, object shooter) { return (!shooter) || (shooter->GetActionTarget() != this); }
 public func OnProjectileHit(object shot) { return DoFireworks(shot->GetController()); }
 
 public func ContactBottom() { return Hit(); }

planet/Objects.ocd/Items.ocd/Tools.ocd/Balloon.ocd/BalloonDeployed.ocd/Script.c

@@ -241,6 +241,9 @@ protected func OnUnmount(object clonk)
 
 public func IsProjectileTarget(object projectile, object shooter)
 {
+	// If there is no projectile assume it is a general request and thus return true.
+	if (!projectile)
+		return true;
 	// Exclude the bottom triangle edges from the hitbox such that projectiles can be shot while hanging on the balloon.
 	var dx = GetX() - projectile->GetX();
 	var dy = GetY() - projectile->GetY() + GetBottom();

planet/Objects.ocd/Items.ocd/Tools.ocd/Boompack.ocd/Script.c

@@ -84,7 +84,7 @@ public func OnUnmount(clonk)
 
 public func IsProjectileTarget(object projectile)
 {
-	return projectile->GetID() != GetID();
+	return !projectile || projectile->GetID() != GetID();
 }
 
 public func OnProjectileHit(object projectile)

planet/Objects.ocd/Rules.ocd/NoFriendlyFire.ocd/Script.c

@@ -147,7 +147,9 @@ public func NoFF_DoShockwaveCheck(int x, int y, int caused_by, ...)
 
 public func NoFF_IsProjectileTarget(object projectile, object shooter, ...)
 {
-	var w_controller = projectile->GetController();
+	var w_controller = NO_OWNER;
+	if (projectile)
+		w_controller = projectile->GetController();
 	if (shooter && w_controller == NO_OWNER)
 		w_controller = shooter->GetController();
 	var t_controller = this->GetController();

planet/Objects.ocd/Vegetation.ocd/SproutBerryBush.ocd/Sprout.ocd/Script.c

@@ -215,10 +215,11 @@ func Damage()
 	Die(false);
 }
 
-func IsProjectileTarget(object weapon, object wielder)
+public func IsProjectileTarget(object projectile, object shooter)
 {
-	if(Random(20)) return false;
-	return ObjectDistance(this, weapon) < 15;
+	if(Random(20))
+		return false;
+	return !projectile || ObjectDistance(this, projectile) < 15;
 }
 
 func AttachTargetLost()

planet/Objects.ocd/Vehicles.ocd/Airplane.ocd/Script.c

@@ -94,7 +94,7 @@ public func Hit(int xdir, int ydir)
 
 public func IsContainer() { return true; }
 
-public func IsProjectileTarget(target, shooter) { return true; }
+public func IsProjectileTarget(object projectile, object shooter) { return true; }
 
 
 /*-- Interface --*/

planet/Parkour.ocf/Boomshire.ocs/Target.ocd/Script.c

@@ -8,9 +8,9 @@ protected func Initialize()
 	PlayAnimation("idle", 1, Anim_Linear(0, 0, GetAnimationLength("idle"), 1000, ANIM_Loop));
 }
 
-public func IsProjectileTarget(target,shooter)
+public func IsProjectileTarget(object projectile, object shooter)
 {
-	return 1;
+	return true;
 }
 public func SetGate(object g)
 {