From 40f49d8e4acd81db5f101d8d22c6676016cbcee9 Mon Sep 17 00:00:00 2001
From: Kill_Me_I_Noobs <118206719+Vonsant@users.noreply.github.com>
Date: Thu, 20 Jun 2024 12:45:15 +0300
Subject: [PATCH] GrapplingHook as a rope (just for real test) (#330)
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* ГрапплингХук апдейт
---
 .../Weapons/Misc/GrapplingGunSystem.cs        |  8 +++---
 .../Weapons/Misc/SharedGrapplingGunSystem.cs  | 25 ++++++++++++++-----
 .../Components/GrapplingGunComponent.cs       |  2 +-
 .../Weapons/Guns/Projectiles/projectiles.yml  |  2 +-
 4 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/Content.Client/Weapons/Misc/GrapplingGunSystem.cs b/Content.Client/Weapons/Misc/GrapplingGunSystem.cs
index df20042b4be..ee75364db3a 100644
--- a/Content.Client/Weapons/Misc/GrapplingGunSystem.cs
+++ b/Content.Client/Weapons/Misc/GrapplingGunSystem.cs
@@ -38,10 +38,10 @@ public override void Update(float frameTime)
         {
             return;
         }
-
-        if (distance.MaxLength <= distance.MinLength)
-            return;
-
+// Corvax Frontier start
+//        if (distance.MaxLength <= distance.MinLength)
+//            return;
+// Corvax Frontier end
         var reelKey = _input.CmdStates.GetState(EngineKeyFunctions.UseSecondary) == BoundKeyState.Down;
 
         if (!TryComp<CombatModeComponent>(local, out var combatMode) ||
diff --git a/Content.Shared/Weapons/Misc/SharedGrapplingGunSystem.cs b/Content.Shared/Weapons/Misc/SharedGrapplingGunSystem.cs
index 41e1895da2c..805c00ed0e6 100644
--- a/Content.Shared/Weapons/Misc/SharedGrapplingGunSystem.cs
+++ b/Content.Shared/Weapons/Misc/SharedGrapplingGunSystem.cs
@@ -30,8 +30,10 @@ public abstract class SharedGrapplingGunSystem : EntitySystem
     [Dependency] private readonly SharedPhysicsSystem _physics = default!;
 
     public const string GrapplingJoint = "grappling";
-
+    
     public const float ReelRate = 2.5f;
+    public const float MaxGrappleDistance = 20.0f; // Maximum distance for the grappling hook - Corvax Frontier
+    public const float ExtendRate = 2.5f; // Rate for extending the grapple - Corvax Frontier
 
     public override void Initialize()
     {
@@ -58,7 +60,6 @@ private void OnGrapplingShot(EntityUid uid, GrapplingGunComponent component, ref
         {
             if (!HasComp<GrapplingProjectileComponent>(shotUid))
                 continue;
-
             //todo: this doesn't actually support multigrapple
             // At least show the visuals.
             component.Projectile = shotUid.Value;
@@ -132,7 +133,7 @@ private void OnGunActivate(EntityUid uid, GrapplingGunComponent component, Activ
 
         component.Projectile = null;
         SetReeling(uid, component, false, args.User);
-        _gun.ChangeBasicEntityAmmoCount(uid,  1);
+        _gun.ChangeBasicEntityAmmoCount(uid, 1);
 
         args.Handled = true;
     }
@@ -186,8 +187,20 @@ public override void Update(float frameTime)
                 continue;
             }
 
-            // TODO: This should be on engine.
-            distance.MaxLength = MathF.Max(distance.MinLength, distance.MaxLength - ReelRate * frameTime);
+            // Corvax Frontier start
+            var localTransform = Transform(uid); // Use the transform of the entity holding the grappling gun
+            var hookTransform = Transform(joint.BodyBUid);
+            var distanceBetween = (localTransform.Coordinates.Position - hookTransform.Coordinates.Position).Length();
+
+            if (grappling.Reeling)
+            {
+                distance.MaxLength = MathF.Max(distance.MinLength, distance.MaxLength - ReelRate * frameTime);
+            }
+            else
+            {
+                distance.MaxLength = MathF.Min(MaxGrappleDistance, distance.MaxLength + ExtendRate * frameTime);
+            }
+            // Corvax Frontier end
             distance.Length = MathF.Min(distance.MaxLength, distance.Length);
 
             _physics.WakeBody(joint.BodyAUid);
@@ -214,7 +227,7 @@ private void OnGrappleCollide(EntityUid uid, GrapplingProjectileComponent compon
 
         var jointComp = EnsureComp<JointComponent>(uid);
         var joint = _joints.CreateDistanceJoint(uid, args.Weapon, anchorA: new Vector2(0f, 0.5f), id: GrapplingJoint);
-        joint.MaxLength = joint.Length + 0.2f;
+        joint.MaxLength = MaxGrappleDistance; // Set the initial maximum distance to the defined maximum - Corvax Frontier
         joint.Stiffness = 1f;
         joint.MinLength = 0.35f;
         // Setting velocity directly for mob movement fucks this so need to make them aware of it.
diff --git a/Content.Shared/Weapons/Ranged/Components/GrapplingGunComponent.cs b/Content.Shared/Weapons/Ranged/Components/GrapplingGunComponent.cs
index d0af3e8b36d..15f66d4c076 100644
--- a/Content.Shared/Weapons/Ranged/Components/GrapplingGunComponent.cs
+++ b/Content.Shared/Weapons/Ranged/Components/GrapplingGunComponent.cs
@@ -31,4 +31,4 @@ public sealed partial class GrapplingGunComponent : Component
         new SpriteSpecifier.Rsi(new ResPath("Objects/Weapons/Guns/Launchers/grappling_gun.rsi"), "rope");
 
     public EntityUid? Stream;
-}
+}
\ No newline at end of file
diff --git a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
index bc8a1b7360b..02e48721fa1 100644
--- a/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
+++ b/Resources/Prototypes/Entities/Objects/Weapons/Guns/Projectiles/projectiles.yml
@@ -920,7 +920,7 @@
           hard: false
           mask:
             - Impassable
-            - HighImpassable
+            - BulletImpassable # was HighImpassable
     - type: GrapplingProjectile
 
 # Frontier projectiles