Hijack shuttle objective (#19621)

Co-authored-by: DrSmugleaf <DrSmugleaf@users.noreply.github.com>

Content.Server/Objectives/Systems/HijackShuttleConditionSystem.cs

@@ -0,0 +1,104 @@
+using Content.Server.Objectives.Components;
+using Content.Server.Shuttles.Components;
+using Content.Server.Shuttles.Systems;
+using Content.Shared.Cuffs.Components;
+using Content.Shared.Humanoid;
+using Content.Shared.Mind;
+using Content.Shared.Mobs.Components;
+using Content.Shared.Mobs.Systems;
+using Content.Shared.Objectives.Components;
+using Content.Shared.Roles;
+using Robust.Shared.Player;
+
+namespace Content.Server.Objectives.Systems;
+
+public sealed class HijackShuttleConditionSystem : EntitySystem
+{
+    [Dependency] private readonly EmergencyShuttleSystem _emergencyShuttle = default!;
+    [Dependency] private readonly SharedMindSystem _mind = default!;
+    [Dependency] private readonly SharedRoleSystem _role = default!;
+    [Dependency] private readonly MobStateSystem _mobState = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<HijackShuttleComponent, ObjectiveGetProgressEvent>(OnGetProgress);
+    }
+
+    private void OnGetProgress(EntityUid uid, HijackShuttleComponent comp, ref ObjectiveGetProgressEvent args)
+    {
+        args.Progress = GetProgress(args.MindId, args.Mind);
+    }
+
+    private float GetProgress(EntityUid mindId, MindComponent mind)
+    {
+        // not escaping alive if you're deleted/dead
+        if (mind.OwnedEntity == null || _mind.IsCharacterDeadIc(mind))
+            return 0f;
+
+        // You're not escaping if you're restrained!
+        if (TryComp<CuffableComponent>(mind.OwnedEntity, out var cuffed) && cuffed.CuffedHandCount > 0)
+            return 0f;
+
+        // There no emergency shuttles
+        if (!_emergencyShuttle.EmergencyShuttleArrived)
+            return 0f;
+
+        // Check hijack for each emergency shuttle
+        foreach (var stationData in EntityQuery<StationEmergencyShuttleComponent>())
+        {
+            if (stationData.EmergencyShuttle == null)
+                continue;
+
+            if (IsShuttleHijacked(stationData.EmergencyShuttle.Value, mindId))
+                return 1f;
+        }
+
+        return 0f;
+    }
+
+    private bool IsShuttleHijacked(EntityUid shuttleGridId, EntityUid mindId)
+    {
+        var gridPlayers = Filter.BroadcastGrid(shuttleGridId).Recipients;
+        var humanoids = GetEntityQuery<HumanoidAppearanceComponent>();
+        var cuffable = GetEntityQuery<CuffableComponent>();
+        EntityQuery<MobStateComponent>();
+
+        var agentOnShuttle = false;
+        foreach (var player in gridPlayers)
+        {
+            if (player.AttachedEntity == null ||
+                !_mind.TryGetMind(player.AttachedEntity.Value, out var crewMindId, out _))
+                continue;
+
+            if (mindId == crewMindId)
+            {
+                agentOnShuttle = true;
+                continue;
+            }
+
+            var isHumanoid = humanoids.HasComponent(player.AttachedEntity.Value);
+            if (!isHumanoid) // Only humanoids count as enemies
+                continue;
+
+            var isAntagonist = _role.MindIsAntagonist(mindId);
+            if (isAntagonist) // Allow antagonist
+                continue;
+
+            var isPersonIncapacitated = _mobState.IsIncapacitated(player.AttachedEntity.Value);
+            if (isPersonIncapacitated) // Allow dead and crit
+                continue;
+
+            var isPersonCuffed =
+                cuffable.TryGetComponent(player.AttachedEntity.Value, out var cuffed)
+                && cuffed.CuffedHandCount > 0;
+            if (isPersonCuffed) // Allow handcuffed
+                continue;
+
+            return false;
+        }
+
+        return agentOnShuttle;
+    }
+}