Adds disarm action (#2950)

* Adds disarming * Disarm acts * yaml * much better icon for disarm * Apply Remie's suggestions, improve code!
2021-01-09 20:31:34 +01:00
parent 1fe25049a3
commit d81a5faac4
12 changed files with 247 additions and 2 deletions
--- a/Content.Server/Actions/DisarmAction.cs
+++ b/Content.Server/Actions/DisarmAction.cs
@@ -0,0 +1,89 @@
+#nullable enable
+using System;
+using System.Linq;
+using Content.Server.GameObjects.Components.GUI;
+using Content.Server.GameObjects.Components.Mobs;
+using Content.Server.GameObjects.Components.Pulling;
+using Content.Server.GameObjects.EntitySystems;
+using Content.Server.Interfaces.GameObjects;
+using Content.Server.Utility;
+using Content.Shared.Actions;
+using Content.Shared.Audio;
+using Content.Shared.GameObjects.Components.Mobs;
+using Content.Shared.GameObjects.Components.Pulling;
+using Content.Shared.GameObjects.EntitySystems.ActionBlocker;
+using Content.Shared.Interfaces;
+using Content.Shared.Utility;
+using JetBrains.Annotations;
+using Robust.Server.GameObjects.EntitySystems;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.Audio;
+using Robust.Shared.GameObjects.Systems;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Random;
+using Robust.Shared.IoC;
+using Robust.Shared.Localization;
+using Robust.Shared.Maths;
+using Robust.Shared.Random;
+using Robust.Shared.Serialization;
+
+namespace Content.Server.Actions
+{
+    [UsedImplicitly]
+    public class DisarmAction : ITargetEntityAction
+    {
+        private float _failProb;
+        private float _pushProb;
+        private float _cooldown;
+
+        public void ExposeData(ObjectSerializer serializer)
+        {
+            serializer.DataField(ref _failProb, "failProb", 0.4f);
+            serializer.DataField(ref _pushProb, "pushProb", 0.4f);
+            serializer.DataField(ref _cooldown, "cooldown", 1.5f);
+        }
+
+        public void DoTargetEntityAction(TargetEntityActionEventArgs args)
+        {
+            var disarmedActs = args.Target.GetAllComponents<IDisarmedAct>().ToArray();
+
+            if (disarmedActs.Length == 0 || !args.Performer.InRangeUnobstructed(args.Target)) return;
+            if (!args.Performer.TryGetComponent<SharedActionsComponent>(out var actions)) return;
+            if (args.Target == args.Performer || !args.Performer.CanAttack()) return;
+
+            var random = IoCManager.Resolve<IRobustRandom>();
+            var audio = EntitySystem.Get<AudioSystem>();
+            var system = EntitySystem.Get<MeleeWeaponSystem>();
+
+            var angle = new Angle(args.Target.Transform.MapPosition.Position - args.Performer.Transform.MapPosition.Position);
+
+            actions.Cooldown(ActionType.Disarm, Cooldowns.SecondsFromNow(_cooldown));
+
+            if (random.Prob(_failProb))
+            {
+                audio.PlayFromEntity("/Audio/Weapons/punchmiss.ogg", args.Performer,
+                    AudioHelpers.WithVariation(0.025f));
+                args.Performer.PopupMessageOtherClients(Loc.GetString("{0} fails to disarm {1}!", args.Performer.Name, args.Target.Name));
+                args.Performer.PopupMessageCursor(Loc.GetString("You fail to disarm {0}!", args.Target.Name));
+                system.SendLunge(angle, args.Performer);
+                return;
+            }
+
+            system.SendAnimation("disarm", angle, args.Performer, args.Performer, new []{ args.Target });
+
+            var eventArgs = new DisarmedActEventArgs() {Target = args.Target, Source = args.Performer, PushProbability = _pushProb};
+
+            // Sort by priority.
+            Array.Sort(disarmedActs, (a, b) => a.Priority.CompareTo(b.Priority));
+
+            foreach (var disarmedAct in disarmedActs)
+            {
+                if (disarmedAct.Disarmed(eventArgs))
+                    return;
+            }
+
+            audio.PlayFromEntity("/Audio/Effects/thudswoosh.ogg", args.Performer,
+                AudioHelpers.WithVariation(0.025f));
+        }
+    }
+}