Move minds, roles, jobs and objectives to shared (#19679)

Content.Shared/Objectives/ObjectivePrototype.cs

@@ -0,0 +1,63 @@
+using System.Linq;
+using Content.Shared.Mind;
+using Content.Shared.Objectives.Interfaces;
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared.Objectives
+{
+    /// <summary>
+    ///     Prototype for objectives. Remember that to be assigned, it should be added to one or more objective groups in prototype. E.g. crew, traitor, wizard
+    /// </summary>
+    [Prototype("objective")]
+    public sealed class ObjectivePrototype : IPrototype
+    {
+        [ViewVariables]
+        [IdDataField]
+        public string ID { get; private set; } = default!;
+
+        [DataField("issuer")] public string Issuer { get; private set; } = "Unknown";
+
+        [ViewVariables]
+        public float Difficulty => _difficultyOverride ?? _conditions.Sum(c => c.Difficulty);
+
+        [DataField("conditions", serverOnly: true)]
+        private List<IObjectiveCondition> _conditions = new();
+        [DataField("requirements")]
+        private List<IObjectiveRequirement> _requirements = new();
+
+        [ViewVariables]
+        public IReadOnlyList<IObjectiveCondition> Conditions => _conditions;
+
+        [DataField("canBeDuplicate")]
+        public bool CanBeDuplicateAssignment { get; private set; }
+
+        [ViewVariables(VVAccess.ReadWrite)]
+        [DataField("difficultyOverride")]
+        private float? _difficultyOverride = null;
+
+        public bool CanBeAssigned(EntityUid mindId, MindComponent mind)
+        {
+            foreach (var requirement in _requirements)
+            {
+                if (!requirement.CanBeAssigned(mindId, mind))
+                    return false;
+            }
+
+            if (!CanBeDuplicateAssignment)
+            {
+                foreach (var objective in mind.AllObjectives)
+                {
+                    if (objective.Prototype.ID == ID)
+                        return false;
+                }
+            }
+
+            return true;
+        }
+
+        public Objective GetObjective(EntityUid mindId, MindComponent mind)
+        {
+            return new Objective(this, mindId, mind);
+        }
+    }
+}