剧情+对话完善

Assets/Scripts/NewStorySystem/Dialogue/DialogueHistory.cs

@@ -0,0 +1,56 @@
+using System;
+using System.Collections.Generic;
+
+namespace Ichni.Story.Dialogue
+{
+    /// <summary>对话记录中一条已经实际显示或采用的内容。</summary>
+    [Serializable]
+    public sealed class DialogueHistoryEntry
+    {
+        public string speakerName;
+        public string content;
+        public bool isChoice;
+    }
+
+    /// <summary>
+    /// 当前一次 TextBlock 对话专用的临时记录。
+    /// <para>记录不会写入 ES3；开始下一次对话、正常结束或点击 Back 取消时都会清空，
+    /// 因而它只承担 DialogUIPage 内的“本次对话回顾”职责。</para>
+    /// </summary>
+    public static class DialogueHistory
+    {
+        private static readonly List<DialogueHistoryEntry> EntriesInternal = new();
+
+        public static IReadOnlyList<DialogueHistoryEntry> Entries => EntriesInternal;
+
+        public static void BeginSession() => EntriesInternal.Clear();
+
+        public static void AddLine(string speakerName, string content)
+        {
+            if (string.IsNullOrWhiteSpace(content))
+                return;
+
+            EntriesInternal.Add(new DialogueHistoryEntry
+            {
+                speakerName = speakerName ?? string.Empty,
+                content = content,
+                isChoice = false
+            });
+        }
+
+        public static void AddChoice(string content)
+        {
+            if (string.IsNullOrWhiteSpace(content))
+                return;
+
+            EntriesInternal.Add(new DialogueHistoryEntry
+            {
+                speakerName = string.Empty,
+                content = content,
+                isChoice = true
+            });
+        }
+
+        public static void Clear() => EntriesInternal.Clear();
+    }
+}