implemented skill system according to designdocuments

2026-08-15 08:09:29 +02:00
parent f8def361fa
commit 063e94f6eb
95 changed files with 2924 additions and 4 deletions
@@ -0,0 +1,84 @@
+using System;
+
+namespace NightclubArcadia.Skills
+{
+    /// <summary>
+    /// Pure check math. Exactly three modifier sources: rank, situational, state.
+    /// No UnityEngine types. No side effects on PlayerSkills / VariableStorage / UI.
+    /// </summary>
+    public sealed class SkillCheckSystem
+    {
+        readonly SkillDatabase _database;
+        readonly PlayerSkills _skills;
+        readonly SkillStateModifiers _state;
+        readonly IRollSource _rolls;
+
+        public SkillCheckSystem(
+            SkillDatabase database,
+            PlayerSkills skills,
+            SkillStateModifiers state,
+            IRollSource rolls)
+        {
+            _database = database ?? throw new ArgumentNullException(nameof(database));
+            _skills = skills ?? throw new ArgumentNullException(nameof(skills));
+            _state = state ?? throw new ArgumentNullException(nameof(state));
+            _rolls = rolls ?? throw new ArgumentNullException(nameof(rolls));
+        }
+
+        public SkillCheckResult Resolve(string skillId, int dc, int situationalMod)
+        {
+            skillId ??= string.Empty;
+
+            string displayName;
+            int rankMod;
+
+            if (_database.TryGet(skillId, out var def) && def != null)
+            {
+                displayName = string.IsNullOrEmpty(def.DisplayName)
+                    ? def.Id.ToUpperInvariant()
+                    : def.DisplayName;
+                rankMod = _skills.GetRank(skillId);
+            }
+            else
+            {
+                displayName = skillId.ToUpperInvariant();
+                rankMod = 0;
+            }
+
+            var roll = _rolls.Roll(20);
+            var stateMod = _state.TotalFor(skillId);
+            var total = roll + rankMod + situationalMod + stateMod;
+
+            bool success;
+            SkillCheckDegree degree;
+
+            if (roll == 1)
+            {
+                success = false;
+                degree = SkillCheckDegree.CriticalFailure;
+            }
+            else if (roll == 20)
+            {
+                success = true;
+                degree = SkillCheckDegree.CriticalSuccess;
+            }
+            else
+            {
+                success = total >= dc;
+                degree = success ? SkillCheckDegree.Success : SkillCheckDegree.Failure;
+            }
+
+            return new SkillCheckResult(
+                skillId,
+                displayName,
+                roll,
+                rankMod,
+                situationalMod,
+                stateMod,
+                total,
+                dc,
+                success,
+                degree);
+        }
+    }
+}