dev: 更新代码，并准备LuaMod

- 升级 Godot.NET.Sdk 版本至 4.4.0
- 更新场景文件中的资源引用方式
- 调整部分代码逻辑和数据结构
- 更新项目配置文件

.gitattributes

@@ -0,0 +1,2 @@
+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

.gitignore

@@ -0,0 +1,41 @@
+# Godot 4+ specific ignores
+.godot/
+
+# Godot-specific
+*.import
+.import/
+export.cfg
+export_presets.cfg
+
+# Imported translations (automatically generated from CSV files)
+*.translation
+
+# Mono-specific ignores
+.mono/
+data_*/
+mono_crash.*.json
+
+# MyProject specific ignores
+.*/
+.vscode/
+.vs/
+android/
+Bin/
+bin/
+*.aseprite
+*.csproj.old*
+*.sln
+*.error
+*.key*
+.editorconfig
+
+# cs project files
+!*.csproj
+
+# Test files
+Test/bin
+Test/obj
+
+# temp ignores
+Lang/*
+*.zip

Asserts/Chessboard.tres

@@ -0,0 +1,38 @@
+[gd_resource type="TileSet" load_steps=7 format=3 uid="uid://bibjj3ay65ral"]
+
+[ext_resource type="Texture2D" uid="uid://p060studh7ph" path="res://Asserts/pic/chessboard.png" id="2_5i53i"]
+[ext_resource type="Texture2D" uid="uid://dwjo6wa85r4il" path="res://Asserts/pic/cross_set_plus.png" id="3_ouwnc"]
+
+[sub_resource type="TileMapPattern" id="TileMapPattern_s62cf"]
+tile_data = PackedInt32Array(0, 36, 1610612737, 131072, 37, 1073741824, 262144, 196644, 1073741824, 393216, 196644, 1073741824, 524288, 36, 805306369, 2, 196644, 0, 131074, 131108, 0, 262146, 196644, 1, 393218, 131108, 0, 524290, 196644, 536870912, 4, 196644, 0, 131076, 196644, 1, 262148, 131108, 0, 393220, 131108, 0, 524292, 196644, 536870912, 6, 196644, 0, 131078, 131108, 0, 262150, 65572, 1, 393222, 65572, 2, 524294, 131108, 536870913, 8, 196644, 0, 131080, 196644, 1, 262152, 65572, 1342177282, 393224, 262180, 1, 524296, 262180, 536870912, 10, 196644, 0, 131082, 131108, 0, 262154, 65572, 1342177281, 393226, 65572, 268435458, 524298, 131108, 805306369, 12, 196644, 0, 131084, 196644, 1, 262156, 131108, 0, 393228, 131108, 0, 524300, 196644, 536870912, 14, 196644, 0, 131086, 131108, 0, 262158, 196644, 1, 393230, 131108, 0, 524302, 196644, 536870912, 16, 36, 1879048193, 131088, 37, 1342177280, 262160, 196644, 1342177280, 393232, 196644, 1342177280, 524304, 36, 536870913)
+
+[sub_resource type="TileMapPattern" id="TileMapPattern_3yn03"]
+tile_data = PackedInt32Array(0, 36, 268435457, 131072, 196644, 1610612736, 262144, 196644, 1610612736, 393216, 37, 1610612736, 524288, 36, 1073741825, 655360, 36, 1610612737, 786432, 37, 1073741824, 917504, 196644, 1073741824, 1048576, 196644, 1073741824, 1179648, 36, 805306369, 2, 196644, 0, 131074, 131108, 536870912, 262146, 196644, 536870913, 393218, 131108, 536870912, 524290, 196644, 536870912, 655362, 196644, 0, 786434, 131108, 0, 917506, 196644, 1, 1048578, 131108, 0, 1179650, 196644, 536870912, 4, 196644, 0, 131076, 131108, 536870912, 262148, 131108, 536870912, 393220, 196644, 536870913, 524292, 196644, 536870912, 655364, 196644, 0, 786436, 196644, 1, 917508, 131108, 0, 1048580, 131108, 0, 1179652, 196644, 536870912, 6, 131108, 1, 131078, 65572, 536870914, 262150, 65572, 536870913, 393222, 131108, 536870912, 524294, 196644, 536870912, 655366, 196644, 0, 786438, 131108, 0, 917510, 65572, 1, 1048582, 65572, 2, 1179654, 131108, 536870913, 8, 262180, 0, 131080, 262180, 536870913, 262152, 65572, 1879048194, 393224, 196644, 536870913, 524296, 196644, 536870912, 655368, 196644, 0, 786440, 196644, 1, 917512, 65572, 1342177282, 1048584, 262180, 1, 1179656, 262180, 536870912, 10, 131108, 268435457, 131082, 65572, 805306370, 262154, 65572, 1879048193, 393226, 131108, 536870912, 524298, 196644, 536870912, 655370, 196644, 0, 786442, 131108, 0, 917514, 65572, 1342177281, 1048586, 65572, 268435458, 1179658, 131108, 805306369, 12, 196644, 0, 131084, 131108, 536870912, 262156, 131108, 536870912, 393228, 196644, 536870913, 524300, 196644, 536870912, 655372, 196644, 0, 786444, 196644, 1, 917516, 131108, 0, 1048588, 131108, 0, 1179660, 196644, 536870912, 14, 196644, 0, 131086, 131108, 536870912, 262158, 196644, 536870913, 393230, 131108, 536870912, 524302, 196644, 536870912, 655374, 196644, 0, 786446, 131108, 0, 917518, 196644, 1, 1048590, 131108, 0, 1179662, 196644, 536870912, 16, 36, 1, 131088, 196644, 1879048192, 262160, 196644, 1879048192, 393232, 37, 1879048192, 524304, 36, 1342177281, 655376, 36, 1879048193, 786448, 37, 1342177280, 917520, 196644, 1342177280, 1048592, 196644, 1342177280, 1179664, 36, 536870913)
+
+[sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_7ihb1"]
+texture = ExtResource("2_5i53i")
+texture_region_size = Vector2i(32, 32)
+0:0/0 = 0
+1:0/0 = 0
+2:0/0 = 0
+3:0/0 = 0
+4:0/0 = 0
+0:1/0 = 0
+1:1/0 = 0
+2:1/0 = 0
+3:1/0 = 0
+4:1/0 = 0
+0:2/0 = 0
+1:2/0 = 0
+
+[sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_je1ok"]
+texture = ExtResource("3_ouwnc")
+texture_region_size = Vector2i(32, 32)
+0:0/0 = 0
+
+[resource]
+sources/36 = SubResource("TileSetAtlasSource_7ihb1")
+sources/37 = SubResource("TileSetAtlasSource_je1ok")
+tile_proxies/coords_level = [[0, Vector2i(0, 0)], [10, Vector2i(0, 0)], [0, Vector2i(0, 1)], [10, Vector2i(0, 1)], [0, Vector2i(1, 0)], [10, Vector2i(1, 0)], [0, Vector2i(1, 1)], [10, Vector2i(1, 1)], [1, Vector2i(0, 0)], [10, Vector2i(2, 0)], [1, Vector2i(0, 1)], [10, Vector2i(2, 1)], [1, Vector2i(1, 0)], [10, Vector2i(3, 0)], [1, Vector2i(1, 1)], [10, Vector2i(3, 1)], [2, Vector2i(0, 0)], [10, Vector2i(4, 0)], [2, Vector2i(0, 1)], [10, Vector2i(4, 1)], [2, Vector2i(1, 0)], [10, Vector2i(5, 0)], [2, Vector2i(1, 1)], [10, Vector2i(5, 1)], [3, Vector2i(0, 0)], [10, Vector2i(6, 0)], [3, Vector2i(0, 1)], [10, Vector2i(6, 1)], [3, Vector2i(1, 0)], [10, Vector2i(7, 0)], [3, Vector2i(1, 1)], [10, Vector2i(7, 1)], [4, Vector2i(0, 0)], [10, Vector2i(8, 0)], [4, Vector2i(0, 1)], [10, Vector2i(8, 1)], [4, Vector2i(1, 0)], [10, Vector2i(9, 0)], [4, Vector2i(1, 1)], [10, Vector2i(9, 1)], [5, Vector2i(0, 0)], [10, Vector2i(0, 2)], [5, Vector2i(0, 1)], [10, Vector2i(0, 3)], [5, Vector2i(1, 0)], [10, Vector2i(1, 2)], [5, Vector2i(1, 1)], [10, Vector2i(1, 3)], [6, Vector2i(0, 0)], [10, Vector2i(2, 2)], [6, Vector2i(0, 1)], [10, Vector2i(2, 3)], [6, Vector2i(1, 0)], [10, Vector2i(3, 2)], [6, Vector2i(1, 1)], [10, Vector2i(3, 3)], [8, Vector2i(0, 0)], [10, Vector2i(4, 2)], [8, Vector2i(0, 1)], [10, Vector2i(4, 3)], [8, Vector2i(1, 0)], [10, Vector2i(5, 2)], [8, Vector2i(1, 1)], [10, Vector2i(5, 3)], [9, Vector2i(0, 0)], [10, Vector2i(6, 2)], [9, Vector2i(0, 1)], [10, Vector2i(6, 3)], [9, Vector2i(1, 0)], [10, Vector2i(7, 2)], [9, Vector2i(1, 1)], [10, Vector2i(7, 3)], [11, Vector2i(0, 0)], [22, Vector2i(0, 0)], [11, Vector2i(0, 1)], [22, Vector2i(0, 1)], [11, Vector2i(1, 0)], [22, Vector2i(1, 0)], [11, Vector2i(1, 1)], [22, Vector2i(1, 1)], [12, Vector2i(0, 0)], [22, Vector2i(2, 0)], [12, Vector2i(0, 1)], [22, Vector2i(2, 1)], [12, Vector2i(1, 0)], [22, Vector2i(3, 0)], [12, Vector2i(1, 1)], [22, Vector2i(3, 1)], [13, Vector2i(0, 0)], [22, Vector2i(4, 0)], [13, Vector2i(0, 1)], [22, Vector2i(4, 1)], [13, Vector2i(1, 0)], [22, Vector2i(5, 0)], [13, Vector2i(1, 1)], [22, Vector2i(5, 1)], [14, Vector2i(0, 0)], [22, Vector2i(6, 0)], [14, Vector2i(0, 1)], [22, Vector2i(6, 1)], [14, Vector2i(1, 0)], [22, Vector2i(7, 0)], [14, Vector2i(1, 1)], [22, Vector2i(7, 1)], [15, Vector2i(0, 0)], [22, Vector2i(8, 0)], [15, Vector2i(0, 1)], [22, Vector2i(8, 1)], [15, Vector2i(1, 0)], [22, Vector2i(9, 0)], [15, Vector2i(1, 1)], [22, Vector2i(9, 1)], [16, Vector2i(0, 0)], [22, Vector2i(0, 2)], [16, Vector2i(0, 1)], [22, Vector2i(0, 3)], [16, Vector2i(1, 0)], [22, Vector2i(1, 2)], [16, Vector2i(1, 1)], [22, Vector2i(1, 3)], [17, Vector2i(0, 0)], [22, Vector2i(2, 2)], [17, Vector2i(0, 1)], [22, Vector2i(2, 3)], [17, Vector2i(1, 0)], [22, Vector2i(3, 2)], [17, Vector2i(1, 1)], [22, Vector2i(3, 3)], [18, Vector2i(0, 0)], [22, Vector2i(4, 2)], [18, Vector2i(0, 1)], [22, Vector2i(4, 3)], [18, Vector2i(1, 0)], [22, Vector2i(5, 2)], [18, Vector2i(1, 1)], [22, Vector2i(5, 3)], [19, Vector2i(0, 0)], [22, Vector2i(6, 2)], [19, Vector2i(0, 1)], [22, Vector2i(6, 3)], [19, Vector2i(1, 0)], [22, Vector2i(7, 2)], [19, Vector2i(1, 1)], [22, Vector2i(7, 3)], [20, Vector2i(0, 0)], [22, Vector2i(8, 2)], [20, Vector2i(0, 1)], [22, Vector2i(8, 3)], [20, Vector2i(1, 0)], [22, Vector2i(9, 2)], [20, Vector2i(1, 1)], [22, Vector2i(9, 3)], [21, Vector2i(0, 0)], [22, Vector2i(0, 4)], [21, Vector2i(0, 1)], [22, Vector2i(0, 5)], [21, Vector2i(1, 0)], [22, Vector2i(1, 4)], [21, Vector2i(1, 1)], [22, Vector2i(1, 5)]]
+pattern_0 = SubResource("TileMapPattern_s62cf")
+pattern_1 = SubResource("TileMapPattern_3yn03")

Asserts/ChesspieceBase.tres

@@ -0,0 +1,4 @@
+[gd_resource type="CompressedTexture2D" format=3 uid="uid://bthav6cae4fni"]
+
+[resource]
+load_path = "res://.godot/imported/base.png-b2215abe8c7e720db36c2fb00d361b79.ctex"

Asserts/icon.svg

@@ -0,0 +1 @@
+<svg height="128" width="128" xmlns="http://www.w3.org/2000/svg"><rect x="2" y="2" width="124" height="124" rx="14" fill="#363d52" stroke="#212532" stroke-width="4"/><g transform="scale(.101) translate(122 122)"><g fill="#fff"><path d="M105 673v33q407 354 814 0v-33z"/><path d="m105 673 152 14q12 1 15 14l4 67 132 10 8-61q2-11 15-15h162q13 4 15 15l8 61 132-10 4-67q3-13 15-14l152-14V427q30-39 56-81-35-59-83-108-43 20-82 47-40-37-88-64 7-51 8-102-59-28-123-42-26 43-46 89-49-7-98 0-20-46-46-89-64 14-123 42 1 51 8 102-48 27-88 64-39-27-82-47-48 49-83 108 26 42 56 81zm0 33v39c0 276 813 276 814 0v-39l-134 12-5 69q-2 10-14 13l-162 11q-12 0-16-11l-10-65H446l-10 65q-4 11-16 11l-162-11q-12-3-14-13l-5-69z" fill="#478cbf"/><path d="M483 600c0 34 58 34 58 0v-86c0-34-58-34-58 0z"/><circle cx="725" cy="526" r="90"/><circle cx="299" cy="526" r="90"/></g><g fill="#414042"><circle cx="307" cy="532" r="60"/><circle cx="717" cy="532" r="60"/></g></g></svg>

ChessGame.csproj

@@ -0,0 +1,24 @@
+<Project Sdk="Godot.NET.Sdk/4.4.0">
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <EnableDynamicLoading>true</EnableDynamicLoading>
+    <Nullable>enable</Nullable>
+    <!-- <TreatWarningsAsErrors>true</TreatWarningsAsErrors> -->
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Remove="Test\**\*" />
+    <Compile Remove="android\**\*" />
+    <Compile Remove="Protos\**\*" />
+    <!-- <Protobuf Include="Protos\chess.proto" GrpcServices="Client" /> -->
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Google.Protobuf" Version="3.30.2" />
+    <PackageReference Include="Grpc.Net.Client" Version="2.70.0" />
+    <PackageReference Include="Grpc.Tools" Version="2.71.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="KeraLua" Version="1.4.5" />
+    <PackageReference Include="NLua" Version="1.7.5" />
+  </ItemGroup>
+</Project>

Main.cs

@@ -0,0 +1,32 @@
+using Godot;
+
+public partial class Main : Node2D {
+	// Called when the node enters the scene tree for the first time.
+	GlobalManager global = null!;
+	public override void _Ready() {
+		// GetTree().Connect("screen_resized", ResizeChessboardToFitScreen);
+		global = GlobalManager.Instance;
+		global.GlobalTheme = GetChild<Control>(GetChildCount() - 1).Theme;
+		global.GlobalThemeConfigFlush();
+	}
+
+    // Called every frame. 'delta' is the elapsed time since the previous frame.
+    public override void _Process(double delta) {
+	}
+
+	private void GoToSignlePlayer() {
+		global?.GotoScene("res://Scenes/ChessGame.tscn");
+	}
+
+	private void GoToMultiPlayer() {
+    	global?.GotoScene("res://Scenes/GameLobby.tscn");
+	}
+
+	private void GoToSetting() {
+		global?.GotoScene("res://Scenes/Setting.tscn");
+	}
+
+	private void GotoMods() {
+		global?.GotoScene("res://Scenes/Mods.tscn");
+	}
+}

Main.cs.uid

@@ -0,0 +1 @@
+uid://kdxc7ummin4b

Main.tscn

@@ -0,0 +1,59 @@
+[gd_scene load_steps=3 format=3 uid="uid://boa4od72355o4"]
+
+[ext_resource type="Script" uid="uid://kdxc7ummin4b" path="res://Main.cs" id="1_h4cv2"]
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/GameTheme.tres" id="2_afihr"]
+
+[node name="Main" type="Node2D"]
+script = ExtResource("1_h4cv2")
+
+[node name="CenterContainer" type="CenterContainer" parent="."]
+offset_right = 720.0
+offset_bottom = 1280.0
+theme = ExtResource("2_afihr")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="CenterContainer"]
+custom_minimum_size = Vector2(720, 720)
+layout_mode = 2
+theme_override_constants/separation = 30
+
+[node name="Label" type="Label" parent="CenterContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 6
+theme_override_font_sizes/font_size = 48
+text = "KEY_ChessGame"
+horizontal_alignment = 1
+vertical_alignment = 1
+
+[node name="MarginContainer" type="MarginContainer" parent="CenterContainer/VBoxContainer"]
+layout_mode = 2
+theme_override_constants/margin_left = 30
+theme_override_constants/margin_right = 30
+
+[node name="VBoxContainer" type="VBoxContainer" parent="CenterContainer/VBoxContainer/MarginContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="SignlePlayer" type="Button" parent="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "KEY_SinglePlayer"
+
+[node name="MultiPlayer" type="Button" parent="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "KEY_MultiPlayer"
+
+[node name="Setting" type="Button" parent="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "KEY_Setting"
+
+[node name="Mod" type="Button" parent="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer"]
+layout_mode = 2
+text = "KEY_Mode"
+
+[connection signal="pressed" from="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/HBoxContainer/SignlePlayer" to="." method="GoToSignlePlayer"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/HBoxContainer/MultiPlayer" to="." method="GoToMultiPlayer"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/Setting" to="." method="GoToSetting"]
+[connection signal="pressed" from="CenterContainer/VBoxContainer/MarginContainer/VBoxContainer/Mod" to="." method="GotoMods"]

Scenes/ChessGame.tscn

@@ -0,0 +1,110 @@
+[gd_scene load_steps=4 format=3 uid="uid://g40y10iaf7qb"]
+
+[ext_resource type="Script" uid="uid://cqgctouhh8qok" path="res://Scripts/Controllers/ChessGame.cs" id="1_3x8ac"]
+[ext_resource type="PackedScene" uid="uid://b1tx7v3230wab" path="res://Scenes/Entities/Chessboard.tscn" id="1_yheur"]
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/GameTheme.tres" id="3_rcfhx"]
+
+[node name="Control" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = ExtResource("3_rcfhx")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 1
+anchors_preset = 10
+anchor_right = 1.0
+offset_bottom = 133.0
+grow_horizontal = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="VBoxContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer/MarginContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="VBoxContainer/MarginContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Home" type="Button" parent="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "KEY_BackHome"
+
+[node name="MarginContainer2" type="MarginContainer" parent="VBoxContainer/MarginContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Undo" type="Button" parent="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer2"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_vertical = 4
+text = "KEY_GameUndo"
+
+[node name="MarginContainer3" type="MarginContainer" parent="VBoxContainer/MarginContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="ReInit" type="Button" parent="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer3"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "KEY_GameReInit"
+
+[node name="MarginContainer3" type="MarginContainer" parent="VBoxContainer"]
+layout_mode = 2
+
+[node name="HFlowContainer" type="HFlowContainer" parent="VBoxContainer/MarginContainer3"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="VBoxContainer/MarginContainer3/HFlowContainer"]
+layout_mode = 2
+text = "KEY_Content_YouAre"
+
+[node name="LineEdit_YouAre" type="LineEdit" parent="VBoxContainer/MarginContainer3/HFlowContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+editable = false
+
+[node name="Label2" type="Label" parent="VBoxContainer/MarginContainer3/HFlowContainer"]
+layout_mode = 2
+text = "KEY_Content_TurnOn"
+
+[node name="LineEdit_TurnSide" type="LineEdit" parent="VBoxContainer/MarginContainer3/HFlowContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+editable = false
+
+[node name="MarginContainer2" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 12
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+offset_top = -114.0
+grow_horizontal = 2
+grow_vertical = 0
+
+[node name="Over" type="Button" parent="MarginContainer2"]
+unique_name_in_owner = true
+layout_mode = 2
+text = "KEY_OverThisTurn"
+
+[node name="ChessGame" type="Node2D" parent="."]
+unique_name_in_owner = true
+script = ExtResource("1_3x8ac")
+
+[node name="Chessboard" parent="ChessGame" instance=ExtResource("1_yheur")]
+unique_name_in_owner = true
+position = Vector2(360, 650)
+scale = Vector2(2.5, 2.5)
+
+[connection signal="pressed" from="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer/Home" to="ChessGame" method="GoHome"]
+[connection signal="pressed" from="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer2/Undo" to="ChessGame" method="Undo"]
+[connection signal="pressed" from="VBoxContainer/MarginContainer/HBoxContainer/MarginContainer3/ReInit" to="ChessGame" method="ReInit"]
+[connection signal="pressed" from="MarginContainer2/Over" to="ChessGame" method="BtnOver"]

Scenes/Entities/Chessboard.tscn

@@ -0,0 +1,22 @@
+[gd_scene load_steps=4 format=4 uid="uid://b1tx7v3230wab"]
+
+[ext_resource type="Script" uid="uid://dmc012tt32dkl" path="res://Scripts/Entities/ChessBoard.cs" id="1_pjakt"]
+[ext_resource type="TileSet" uid="uid://bibjj3ay65ral" path="res://Asserts/Chessboard.tres" id="1_ws3cq"]
+[ext_resource type="Script" uid="uid://c8eafskfpuesm" path="res://Scripts/Entities/ChessPiece.cs" id="3_26g24"]
+
+[node name="Chessboard" type="Node2D"]
+script = ExtResource("1_pjakt")
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+visible = false
+script = ExtResource("3_26g24")
+
+[node name="Layer0" type="TileMapLayer" parent="."]
+show_behind_parent = true
+position = Vector2(-8, 184)
+tile_map_data = PackedByteArray("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")
+tile_set = ExtResource("1_ws3cq")
+collision_enabled = false
+collision_visibility_mode = 2
+navigation_enabled = false
+navigation_visibility_mode = 2

Scenes/Entities/Chesspiece.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=3 format=3 uid="uid://gkbtavjf2273"]
+
+[ext_resource type="Texture2D" uid="uid://bthav6cae4fni" path="res://Asserts/ChesspieceBase.tres" id="1_8v1j6"]
+[ext_resource type="Script" uid="uid://c8eafskfpuesm" path="res://Scripts/Entities/ChessPiece.cs" id="2_y54gx"]
+
+[node name="Chesspiece" type="Node2D"]
+
+[node name="Sprite2D" type="Sprite2D" parent="."]
+texture = ExtResource("1_8v1j6")
+script = ExtResource("2_y54gx")

Scenes/Entities/ServerStatus.tscn

@@ -0,0 +1,23 @@
+[gd_scene format=3 uid="uid://pc83bstfltn"]
+
+[node name="ServerStatus" type="HBoxContainer"]
+anchors_preset = -1
+anchor_right = 0.176389
+anchor_bottom = 0.0179687
+offset_right = -126.0
+metadata/_edit_use_anchors_ = true
+
+[node name="Label" type="Label" parent="."]
+layout_mode = 2
+size_flags_horizontal = 0
+text = "KEY_ServerConnectStatus"
+
+[node name="ColorRect" type="ColorRect" parent="."]
+custom_minimum_size = Vector2(15, 15)
+layout_mode = 2
+
+[node name="TextureRect" type="TextureRect" parent="."]
+layout_mode = 2
+
+[node name="TextureProgressBar" type="TextureProgressBar" parent="."]
+layout_mode = 2

Scenes/GameLobby.tscn

@@ -0,0 +1,78 @@
+[gd_scene load_steps=3 format=3 uid="uid://00jxjgnmfbn7"]
+
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/GameTheme.tres" id="1_ge0tq"]
+[ext_resource type="Script" uid="uid://cn273e4u256r" path="res://Scripts/Controllers/GameLobby.cs" id="2_blx46"]
+
+[node name="GameLobby" type="Control"]
+layout_mode = 3
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = ExtResource("1_ge0tq")
+script = ExtResource("2_blx46")
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="MarginContainer/VBoxContainer/MarginContainer"]
+layout_mode = 2
+text = "KEY_BackHome"
+
+[node name="MarginContainer2" type="HFlowContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="MarginContainer/VBoxContainer/MarginContainer2"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="MarginContainer/VBoxContainer/MarginContainer2/MarginContainer"]
+layout_mode = 2
+text = "KEY_ServerConnectStatus"
+
+[node name="MarginContainer2" type="MarginContainer" parent="MarginContainer/VBoxContainer/MarginContainer2"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="ColorRect" type="ColorRect" parent="MarginContainer/VBoxContainer/MarginContainer2/MarginContainer2"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="MarginContainer3" type="MarginContainer" parent="MarginContainer/VBoxContainer"]
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="ItemList_Users" type="ItemList" parent="MarginContainer/VBoxContainer/MarginContainer3"]
+unique_name_in_owner = true
+layout_mode = 2
+
+[node name="Dialogs" type="Control" parent="."]
+layout_mode = 3
+anchors_preset = 0
+
+[node name="AcceptDialog" type="AcceptDialog" parent="Dialogs"]
+auto_translate_mode = 1
+initial_position = 2
+size = Vector2i(100, 118)
+
+[node name="PopupMenu" type="PopupMenu" parent="Dialogs"]
+auto_translate_mode = 1
+
+[node name="ConfirmationDialog" type="ConfirmationDialog" parent="Dialogs"]
+auto_translate_mode = 1
+initial_position = 2
+size = Vector2i(200, 118)
+
+[connection signal="pressed" from="MarginContainer/VBoxContainer/MarginContainer/Button" to="." method="OnBack"]
+[connection signal="item_activated" from="MarginContainer/VBoxContainer/MarginContainer3/ItemList_Users" to="." method="OnItemSelected"]

Scenes/Mods.tscn

@@ -0,0 +1,60 @@
+[gd_scene load_steps=3 format=3 uid="uid://c2ov83uk7r6rq"]
+
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/GameTheme.tres" id="1_mhtia"]
+[ext_resource type="Script" uid="uid://c8t8d8e7inajy" path="res://Scripts/Controllers/Mods.cs" id="1_mnyng"]
+
+[node name="MarginContainer" type="MarginContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = ExtResource("1_mhtia")
+theme_override_constants/margin_left = 30
+theme_override_constants/margin_top = 30
+theme_override_constants/margin_right = 30
+theme_override_constants/margin_bottom = 30
+script = ExtResource("1_mnyng")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="VBoxContainer"]
+layout_mode = 2
+text = "KEY_BackHome"
+
+[node name="HBoxContainer" type="HBoxContainer" parent="VBoxContainer"]
+layout_mode = 2
+
+[node name="CheckButton" type="CheckButton" parent="VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "KEY_EnableMod"
+
+[node name="Button2" type="Button" parent="VBoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "KEY_ReloadMod"
+
+[node name="Button2" type="Button" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+text = "KEY_OpenModDir"
+
+[node name="VScrollBar" type="VScrollBar" parent="VBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 1
+size_flags_vertical = 3
+
+[node name="ItemList" type="ItemList" parent="VBoxContainer/VScrollBar"]
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+
+[connection signal="pressed" from="VBoxContainer/Button" to="." method="OnBack"]
+[connection signal="toggled" from="VBoxContainer/HBoxContainer/CheckButton" to="." method="OnEnableMods"]
+[connection signal="pressed" from="VBoxContainer/HBoxContainer/Button2" to="." method="OnReSearchMods"]
+[connection signal="pressed" from="VBoxContainer/Button2" to="." method="OnOpenModFileDir"]

Scenes/Setting.tscn

@@ -0,0 +1,211 @@
+[gd_scene load_steps=5 format=3 uid="uid://c6gxufppw1fu3"]
+
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/GameTheme.tres" id="1_6yfoi"]
+[ext_resource type="Script" uid="uid://71ril3nh84rw" path="res://Scripts/Controllers/Setting.cs" id="1_xbvb3"]
+[ext_resource type="PackedScene" uid="uid://pc83bstfltn" path="res://Scenes/Entities/ServerStatus.tscn" id="3_e50hu"]
+
+[sub_resource type="ButtonGroup" id="ButtonGroup_efio3"]
+
+[node name="Setting" type="MarginContainer"]
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme = ExtResource("1_6yfoi")
+script = ExtResource("1_xbvb3")
+
+[node name="BoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Back" type="Button" parent="BoxContainer/MarginContainer"]
+layout_mode = 2
+text = "KEY_BackHome"
+
+[node name="MarginContainer7" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="BoxContainer/MarginContainer7"]
+layout_mode = 2
+text = "KEY_SaveConfigFile"
+
+[node name="MarginContainer9" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="BoxContainer/MarginContainer9"]
+layout_mode = 2
+text = "KEY_GetConfigDir"
+
+[node name="MarginContainer2" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Server" type="HFlowContainer" parent="BoxContainer/MarginContainer2"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="BoxContainer/MarginContainer2/Server"]
+layout_mode = 2
+text = "KEY_ServerIP"
+
+[node name="LineEdit_ServerIP" type="LineEdit" parent="BoxContainer/MarginContainer2/Server"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="MarginContainer3" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Name" type="HFlowContainer" parent="BoxContainer/MarginContainer3"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="BoxContainer/MarginContainer3/Name"]
+layout_mode = 2
+text = "KEY_UserName"
+
+[node name="LineEdit_UserName" type="LineEdit" parent="BoxContainer/MarginContainer3/Name"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Button" type="Button" parent="BoxContainer/MarginContainer3/Name"]
+visible = false
+layout_mode = 2
+text = "OK"
+
+[node name="MarginContainer4" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="HFlowContainer" type="HFlowContainer" parent="BoxContainer/MarginContainer4"]
+layout_mode = 2
+
+[node name="ServerStatus" parent="BoxContainer/MarginContainer4/HFlowContainer" instance=ExtResource("3_e50hu")]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="CheckButton" type="CheckButton" parent="BoxContainer/MarginContainer4/HFlowContainer"]
+visible = false
+layout_mode = 2
+text = "Server Start"
+
+[node name="MarginContainer5" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="HBoxContainer" type="HFlowContainer" parent="BoxContainer/MarginContainer5"]
+layout_mode = 2
+
+[node name="Label" type="Label" parent="BoxContainer/MarginContainer5/HBoxContainer"]
+layout_mode = 2
+text = "KEY_GlobalFontSize"
+
+[node name="FontSize" type="LineEdit" parent="BoxContainer/MarginContainer5/HBoxContainer"]
+unique_name_in_owner = true
+layout_mode = 2
+editable = false
+
+[node name="MarginContainer6" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="FontSizeBar" type="HSlider" parent="BoxContainer/MarginContainer6"]
+unique_name_in_owner = true
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_vertical = 4
+min_value = 10.0
+max_value = 40.0
+value = 10.0
+
+[node name="HBoxContainer2" type="HFlowContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="BoxContainer/HBoxContainer2"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Button" type="Button" parent="BoxContainer/HBoxContainer2/MarginContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+toggle_mode = true
+button_group = SubResource("ButtonGroup_efio3")
+text = "简体中文"
+
+[node name="MarginContainer2" type="MarginContainer" parent="BoxContainer/HBoxContainer2"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Button2" type="Button" parent="BoxContainer/HBoxContainer2/MarginContainer2"]
+layout_mode = 2
+toggle_mode = true
+button_group = SubResource("ButtonGroup_efio3")
+text = "English"
+
+[node name="HBoxContainer" type="HFlowContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="MarginContainer" type="MarginContainer" parent="BoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Button" type="Button" parent="BoxContainer/HBoxContainer/MarginContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+disabled = true
+text = "Clear Config"
+
+[node name="MarginContainer2" type="MarginContainer" parent="BoxContainer/HBoxContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+
+[node name="Button2" type="Button" parent="BoxContainer/HBoxContainer/MarginContainer2"]
+layout_mode = 2
+disabled = true
+text = "Clear User Data"
+
+[node name="HFlowContainer" type="HFlowContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="BoxContainer/HFlowContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+disabled = true
+text = "GetCacheDir"
+
+[node name="Button2" type="Button" parent="BoxContainer/HFlowContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+disabled = true
+text = "GetConfigDir"
+
+[node name="Button3" type="Button" parent="BoxContainer/HFlowContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+disabled = true
+text = "GetDataDir"
+
+[node name="Button4" type="Button" parent="BoxContainer/HFlowContainer"]
+layout_mode = 2
+size_flags_horizontal = 3
+disabled = true
+text = "GetUserDataDir"
+
+[node name="MarginContainer8" type="MarginContainer" parent="BoxContainer"]
+layout_mode = 2
+
+[node name="ColorPickerButton" type="ColorPickerButton" parent="BoxContainer/MarginContainer8"]
+layout_mode = 2
+text = "Trace Color"
+
+[connection signal="pressed" from="BoxContainer/MarginContainer/Back" to="." method="OnBack"]
+[connection signal="pressed" from="BoxContainer/MarginContainer7/Button" to="." method="OnSave"]
+[connection signal="pressed" from="BoxContainer/MarginContainer9/Button" to="." method="OnGetSettingsFile"]
+[connection signal="text_changed" from="BoxContainer/MarginContainer2/Server/LineEdit_ServerIP" to="." method="OnServerUrlChanged"]
+[connection signal="text_changed" from="BoxContainer/MarginContainer3/Name/LineEdit_UserName" to="." method="OnNameChanged"]
+[connection signal="value_changed" from="BoxContainer/MarginContainer6/FontSizeBar" to="." method="OnFontSizeChanged"]
+[connection signal="toggled" from="BoxContainer/HBoxContainer2/MarginContainer/Button" to="." method="ChangeLangZHCN"]
+[connection signal="toggled" from="BoxContainer/HBoxContainer2/MarginContainer2/Button2" to="." method="ChangeLangEN"]
+[connection signal="pressed" from="BoxContainer/HBoxContainer/MarginContainer2/Button2" to="." method="OnClearUserData"]
+[connection signal="pressed" from="BoxContainer/HFlowContainer/Button" to="." method="OnGetCacheDir"]
+[connection signal="pressed" from="BoxContainer/HFlowContainer/Button2" to="." method="OnGetConfigDir"]
+[connection signal="pressed" from="BoxContainer/HFlowContainer/Button3" to="." method="OnGetDataDir"]
+[connection signal="pressed" from="BoxContainer/HFlowContainer/Button4" to="." method="OnGetUserDataDir"]

Scripts/Controllers/ChessGame.cs

@@ -0,0 +1,74 @@
+using Godot;
+using ChineseChess;
+
+public partial class ChessGame : Node2D {
+	GlobalManager global = GlobalManager.Instance;
+    readonly Logging.Logger logger = Logging.GetLogger("ChessGame");
+	ChessBoard board = null!;
+	ConfirmationDialog dialog = null!;
+	ChessCore Game = null!;
+	private bool isSession = false;
+	ChessCore.TurnsSideType sideSelf;
+	ChessCore.TurnsSideType sideOpposite;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+		board = GetNode<ChessBoard>("%Chessboard");
+		GetNode<LineEdit>("%LineEdit_YouAre").Text = global.GlobalData["player_color"].AsString();
+		LineEdit turnSideEdit = GetNode<LineEdit>("%LineEdit_TurnSide");
+		turnSideEdit.Text = "red";
+
+        dialog = new ConfirmationDialog {
+            DialogAutowrap = true,
+            MinSize = new Vector2I(400, 200),
+			Position = new Vector2I(200, 400),
+        };
+		AddChild(dialog);
+
+		if (global.GlobalData["player_color"].AsString() == "red") {
+			sideSelf = ChessCore.TurnsSideType.Red;
+			sideOpposite = ChessCore.TurnsSideType.Black;
+		} else {
+			sideSelf = ChessCore.TurnsSideType.Black;
+			sideOpposite = ChessCore.TurnsSideType.Red;
+		}
+
+		Game = new(isSession ? ChessCore.Mode.MultiMode : ChessCore.Mode.SingleMode, sideSelf, board);
+
+		board.OnStepsChanged += (sender, e) => {
+			turnSideEdit.Text = Game.GetTurnsType() == ChessCore.TurnsSideType.Red ? "red" : "black";
+		};
+
+		board.OnPosClicked += (sender, pos) => {
+			int posX = (int)pos.X;
+			int posY = (int)pos.Y;
+			Vector.Vector2I vector = new(posX, posY);
+			Game.OnPosClicked(vector);
+		};
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+
+	private void BtnOver() {
+		logger.Info($"BtnOver");
+	}
+
+	public void GoHome() {
+        // TODO ClearServer();
+    	global.GotoScene("res://Main.tscn");
+	}
+
+	public void Undo() {
+		logger.Info($"Undo");
+		if (Game.board.Steps == 0) board.Clear();
+		Game.Undo();
+	}
+
+	public void ReInit() {
+        // TODO using dialog to confirm
+		logger.Info($"ReInit");
+		Game.ReInit();
+	}
+}

Scripts/Controllers/ChessGame.cs.uid

@@ -0,0 +1 @@
+uid://cqgctouhh8qok

Scripts/Controllers/GameLobby.cs

@@ -0,0 +1,60 @@
+using Godot;
+using Godot.Collections;
+
+public partial class GameLobby : Control {
+    GlobalManager global = GlobalManager.Instance;
+    readonly Logging.Logger logger = Logging.GetLogger("GameLobby");
+	Timer timer = null!;
+
+    ItemList lists = null!;
+	ConfirmationDialog dialog = null!;
+    string URL = null!;
+    string userName = null!;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+		lists = GetNode<ItemList>("%ItemList_Users");
+        // TODO using %
+		dialog = GetNode<ConfirmationDialog>("Dialogs/ConfirmationDialog");
+
+        URL = global.ConfigManager.GetValue<string>("server_addr");
+        userName = global.ConfigManager.GetValue<string>("user_name");
+
+		dialog.MinSize = new Vector2I(400, 200);
+        dialog.DialogAutowrap = true;
+		dialog.Canceled += () => {
+            // TODO Cancel to Accept Session Create
+        };
+		dialog.Confirmed += () => {
+			if (dialog.Title == "Session Created") {
+				// TODO Create Session
+			}
+		};
+
+        // TODO using new State Shower And Using Heartbeat to calucate the delay time
+        ColorRect colorRect = GetNode<ColorRect>("MarginContainer/VBoxContainer/MarginContainer2/MarginContainer2/ColorRect");
+        Connect();
+    }
+
+    public void Connect() {
+		logger.Info("Connect To Server");
+        // TODO connet to server
+		global.SetProcess(true);
+	}
+
+    private void OnItemSelected(int index) {
+        Dictionary item = lists.GetItemMetadata(index).AsGodotDictionary();
+        logger.Debug($"Item {index} selected, {item}");
+        string[] _ = [item["id"].ToString()];
+        // TODO new a Session
+    }
+
+    private void FlushUserData() {
+        // TODO Flush user data or heartbeat flush
+	}
+
+	private void OnBack() {
+        // TODO ExitServer();
+        global.GotoScene("res://Main.tscn");
+	}
+}

Scripts/Controllers/GameLobby.cs.uid

@@ -0,0 +1 @@
+uid://cn273e4u256r

Scripts/Controllers/Mods.cs

@@ -0,0 +1,43 @@
+using Godot;
+using System;
+
+public partial class Mods : Control {
+    GlobalManager global = GlobalManager.Instance;
+    ItemList modsItemList = null!;
+
+    public override void _Ready() {
+        // TODO
+        modsItemList = GetNode<ItemList>("VBoxContainer/VScrollBar/ItemList");
+        FlushModState();
+    }
+
+    private void FlushModState() {
+        modsItemList.Clear();
+        foreach (var mod in global.Mods.ModList) {
+            var item = modsItemList.AddItem(mod.Key);
+        }
+    }
+
+    private void OnEnableMods(bool enable) {
+        if (enable) {
+            global.Mods.LoadAllMods();
+        }
+        else {
+            global.Mods.ClearAllMods();
+        }
+    }
+
+    private void OnReSearchMods() {
+        global.Mods.SearchAllMods(true);
+    }
+
+    public void OnOpenModFileDir() {
+        string path = global.ConfigManager.GetValue<string>("mods_fpath") ?? "user://mods";
+        OS.ShellOpen(ProjectSettings.GlobalizePath(path));
+    }
+
+    public void OnBack() {
+        ArgumentNullException.ThrowIfNull(global);
+        global.GotoScene("res://Main.tscn");
+    }
+}

Scripts/Controllers/Mods.cs.uid

@@ -0,0 +1 @@
+uid://c8t8d8e7inajy

Scripts/Controllers/Setting.cs

@@ -0,0 +1,91 @@
+using Godot;
+using System;
+using System.IO;
+
+public partial class Setting : Control {
+	private GlobalManager global = GlobalManager.Instance;
+	private readonly IConfigManager config = GlobalManager.Instance.ConfigManager;
+	private int font_size;
+	private LineEdit fontOut = null!;
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+		fontOut = GetNode<LineEdit>("%FontSize");
+		font_size = config.GetValue<int>("font_size");
+		GetNode<HSlider>("%FontSizeBar")
+			.Value = font_size;
+		fontOut.Text = font_size.ToString();
+
+		GetNode<LineEdit>("%LineEdit_ServerIP")
+			.Text = config.GetValue<string>("server_addr");
+		GetNode<LineEdit>("%LineEdit_UserName")
+			.Text = config.GetValue<string>("user_name");
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+	}
+
+	private void OnBack() {
+		global.GotoScene("res://Main.tscn", null);
+	}
+
+	private void OnSave() {
+		global.SaveConfig();
+	}
+
+	void OnNameChanged(string Value) {
+		config.SetValue("user_name", Value);
+	}
+
+	private void OnServerUrlChanged(string Value) {
+		config.SetValue("server_url", Value);
+	}
+
+	private void OnFontSizeChanged(float Value) {
+		font_size = (int)Value;
+		config.SetValue("font_size", font_size);
+		global.GlobalThemeConfigFlush();
+		fontOut.Text = font_size.ToString();
+	}
+
+	private static void OnClearData() {
+		// ProjectSettings.GlobalizePath("user://");
+		// DirAccess.CopyAbsolute("res://userdata", "user://");
+	}
+
+	private static void OnClearUserData() {
+		string path = ProjectSettings.GlobalizePath("user://");
+
+		// DirAccess dirAccess = DirAccess.Open(path);
+		// dirAccess.Remove(path);
+		if (DirAccess.RemoveAbsolute(path) != Error.Ok) {
+			FormattableString msg = $"Failed to delete user data at {path}";
+			OS.Alert(msg.ToString(), "Error");
+		}
+	}
+
+	private static void OnGetSettingsFile() {
+		string path = ProjectSettings.GlobalizePath(GlobalManager.ConfigPath);
+		OS.ShellOpen(Path.GetDirectoryName(path));
+	}
+
+	private static void OnGetCacheDir() {
+		OS.Alert(OS.GetCacheDir(), "Cache Dir");
+	}
+
+	private static void OnGetConfigDir() {
+		OS.Alert(OS.GetConfigDir(), "Config Dir");
+	}
+
+	private static void OnGetDataDir() {
+		OS.Alert(OS.GetDataDir(), "Data Dir");
+	}
+
+	private static void OnGetUserDataDir() {
+		OS.Alert(OS.GetUserDataDir(), "User Data Dir");
+	}
+
+	private static void ChangeLangZHCN(bool _) => TranslationServer.SetLocale("zh_CN");
+	private static void ChangeLangEN(bool _) => TranslationServer.SetLocale("en");
+}

Scripts/Controllers/Setting.cs.uid

@@ -0,0 +1 @@
+uid://71ril3nh84rw

Scripts/Entities/ChessBoard.cs

@@ -0,0 +1,87 @@
+// Chessboard.cs
+using System;
+using Godot;
+using ChineseChess;
+using Godot.Collections;
+
+using static IBoard;
+public partial class ChessBoard : Node2D, ICCBoardOn {
+    public event EventHandler<Vector2>? OnMouseClicked;
+	public event EventHandler<Vector2>? OnPosClicked;
+	public event EventHandler<int>? OnStepsChanged;
+
+	public Vector2 from = Vector2.Inf, to = Vector2.Inf;
+	public Array<Vector2> canMovePos = [];
+
+	public override void _Ready() {
+	}
+
+	public void Clear() {
+		from = to = Vector2.Inf;
+		QueueRedraw();
+	}
+
+	void IBoardOn.OnInsert(object self, IPiece piece) {
+		ChessPiece? node = piece.On as ChessPiece;
+        // throw new InvalidOperationException();
+        node ??= new ChessPiece((CCPiece)piece);
+		node.ShowBehindParent = true;
+        AddChild(node);
+
+			// ChessPiece chessPiece = null;
+			// if (piece.Data.TryGetValue("Godot", out object node)) {
+			// 	chessPiece = node as ChessPiece;
+			// } else {
+			// 	chessPiece = new((CCPiece)piece);
+			// }
+			// chessPiece.ShowBehindParent = true;
+			// AddChild(chessPiece);
+	}
+
+	void IBoardOn.OnRemove(object self, IPiece piece) {
+		if (piece.On is not ChessPiece node) {
+			throw new InvalidOperationException();
+		}
+		RemoveChild(node);
+	}
+
+	void IBoardOn.OnMove(object self, IBoardOn.MoveEventArgs vals) {
+		from = PosTrans.transArrToPix * new Vector2(vals.From.X, vals.From.Y);
+		to = PosTrans.transArrToPix * new Vector2(vals.To.X, vals.To.Y);
+		QueueRedraw();
+	}
+
+	void ICCBoardOn.OnSteps(object _self, int oldSteps) {
+		if (_self is not CCBoard self) return;
+		OnStepsChanged?.Invoke(self, self.Steps);
+	}
+
+	public override void _Draw() {
+		Color color = new(0.7f, 0.7f, 0.7f, 0.5f);
+		DrawLine(from, to, color, PosTrans.pixGripSize / 5);
+		DrawCircle(from, PosTrans.pixGripSize / 2.2f, color);
+		foreach (Vector2 pos in canMovePos) {
+			DrawCircle(pos, PosTrans.pixGripSize / 2.2f,
+				 color.Inverted());
+		}
+    }
+
+    public override void _Input(InputEvent @event) {
+		if (@event is InputEventMouseButton mouseEvent &&
+				mouseEvent.Pressed &&
+				mouseEvent.ButtonIndex == MouseButton.Left) {
+            OnMouseClicked?.Invoke(this, GetLocalMousePosition());
+			OnPosClicked?.Invoke(this, (PosTrans.transArrToPix.AffineInverse() *
+				GetLocalMousePosition()).Round());
+		}
+	}
+
+	public static class PosTrans {
+		public static readonly int pixGripSize = 32;
+		public static readonly Transform2D transArrToPix = new(
+			new Vector2(pixGripSize, 0),
+			new Vector2(0, pixGripSize),
+			new Vector2(-4, -4.5f) * pixGripSize
+		);
+	}
+}

Scripts/Entities/ChessBoard.cs.uid

@@ -0,0 +1 @@
+uid://dmc012tt32dkl

Scripts/Entities/ChessPiece.cs

@@ -0,0 +1,78 @@
+// Chesspiece.cs
+using Godot;
+using ChineseChess;
+
+using static IPiece;
+public partial class ChessPiece : Sprite2D, IPieceOn {
+    [Export]
+    public string? PieceLabel { get; set; } = null;
+    // Text Color (Can Export for Editor Adjust)
+    [Export]
+    public Color LabelColor { get; set; } = new Color("white");
+    private Vector2 textureSize;
+    private Label? labelOfChessName;
+
+    void IPieceOn.OnPos(object _self, Vector.Vector2I oldPos) {
+        if (_self is not CCPiece self) return;
+        Position = ChessBoard.PosTrans.transArrToPix * new Vector2(self.Pos.X, self.Pos.Y);
+    }
+
+    void IPieceOn.OnSelected(object _self, bool oldIsSelected) {
+        if (GetParent() is not ChessBoard chessBoard || _self is not CCPiece self) return;
+        if (self.IsSelected) {
+            GD.Print($"{self.Pos} is selected");
+            Transform *= transToSeleted;
+            foreach (var item in self.CanMoveAllPos()) {
+                chessBoard.canMovePos.Add(ChessBoard.PosTrans.transArrToPix * new Vector2(item.X, item.Y));
+            }
+        } else {
+            GD.Print($"{self.Pos} is deselected");
+            Transform *= transToSeleted.AffineInverse();
+            foreach (var item in self.CanMoveAllPos()) {
+                chessBoard.canMovePos.Remove(ChessBoard.PosTrans.transArrToPix * new Vector2(item.X, item.Y));
+            }
+        }
+        chessBoard.QueueRedraw();
+    }
+
+    Transform2D transToSeleted = new(
+		new Vector2(1.2f, 0),
+		new Vector2(0, 1.2f),
+		new Vector2(0, 0)
+	);
+
+    public ChessPiece() : this(new CCPiece()) {
+    }
+
+    public ChessPiece(CCPiece piece) {
+        PieceLabel = piece.CNName;
+        LabelColor = piece.TurnsSide == ChessCore.TurnsSideType.Red ? new Color("red") : new Color("black");
+        piece.On = this;
+        // Must Be Call for init Pos
+        piece.On.OnPos(piece, piece.Pos);
+        piece.Data.TryAdd("Godot", this);
+    }
+
+    // Called when the node enters the scene tree for the first time.
+    public override void _Ready() {
+        InitLabel();
+	}
+
+    private void InitLabel() {
+        Texture ??= (Texture2D)ResourceLoader.Load("res://Asserts/ChesspieceBase.tres");
+        textureSize = Texture.GetSize();
+        Vector2 labalPosition = new(
+                -textureSize.X / 2,
+                -textureSize.Y / 2);
+        labelOfChessName = new Label {
+            Text = PieceLabel,
+            HorizontalAlignment = HorizontalAlignment.Center,
+            VerticalAlignment = VerticalAlignment.Center,
+            Modulate = LabelColor,
+            Position = labalPosition,
+            Size = textureSize,
+        };
+        // labelOfChessName.SetAnchorsPreset(Control.LayoutPreset.FullRect);
+        AddChild(labelOfChessName);
+    }
+}

Scripts/Entities/ChessPiece.cs.uid

@@ -0,0 +1 @@
+uid://c8eafskfpuesm

Scripts/GlobalManager.cs

@@ -0,0 +1,133 @@
+using System.Collections.Generic;
+using Godot;
+
+public partial class GlobalManager : Node {
+    private static readonly Logging.Logger logger = Logging.GetLogger("GlobalManager");
+	public static GlobalManager Instance { get; private set; } = null!;
+	public static string ConfigPath { get; private set; } = "user://config.json";
+    private GlobalManager() {
+        ConfigManager.SetFilePath(ProjectSettings.GlobalizePath(ConfigPath));
+        ConfigManager.SetDefault(_default_config);
+        ConfigManager.LoadFromFile();
+
+        Mods = new GlobalModManager(ConfigManager.GetValue<string>("mods_fpath"));
+        Mods.SearchAllMods();
+	}
+
+    public readonly GlobalModManager Mods = null!;
+	public readonly IConfigManager ConfigManager = new JsonConfigManager();
+	private static readonly Dictionary<string, object> _default_config = new() {
+		{"font_size", 20},
+		{"server_addr", "wss://game.zzyxyz.com/"},
+		{"user_name", "undefined"},
+
+		{"mods_fpath", "user://mods"},
+		{"mods_allowed", false},
+	};
+
+	public string sessionId = "";
+	public Node CurrentScene { get; set; } = null!;
+	public Theme GlobalTheme = null!;
+
+	// readonly GodotConfigManager GlobalConfig = new("user://config.cfg");
+
+	// TODO will remove this
+	public Dictionary<string, Variant> GlobalData = new() {
+		{"player_color", "red"},
+	};
+
+	// Called when the node enters the scene tree for the first time.
+	public override void _Ready() {
+		if (Instance == null) {
+			Instance = this;
+		}
+		else {
+			logger.Error("GlobalManager already exists");
+			QueueFree();
+		}
+
+		if (OS.GetName() == "Android") {
+			bool ret = OS.RequestPermissions();
+            logger.Warning($"RequestPermissions ret is {ret}");
+		}
+
+		Viewport root = GetTree().Root;
+		CurrentScene = root.GetChild(root.GetChildCount() - 1);
+
+		SetProcess(false);
+	}
+
+	public void GlobalThemeConfigFlush() {
+		int font_size = ConfigManager.GetValue<int>("font_size");
+		GlobalTheme.DefaultFontSize = font_size;
+		// GlobalTheme?.SetFontSize("font_size", "Label",    font_size);
+		// GlobalTheme?.SetFontSize("font_size", "Button",   font_size);
+		// GlobalTheme?.SetFontSize("font_size", "TextEdit", font_size);
+		// GlobalTheme?.SetFontSize("font_size", "LineEdit", font_size);
+		// CurrentScene.GetWindow().AddThemeFontSizeOverride("Control", (int)GlobalConfigDict["font_size"]);
+	}
+
+	private void OnGotoScene() {
+		GlobalThemeConfigFlush();
+	}
+
+	public void SaveConfig() {
+		ConfigManager.SaveToFile();
+		// GlobalConfig.SaveConfig("Global", _conf_dict);
+	}
+
+	// Called every frame. 'delta' is the elapsed time since the previous frame.
+	public override void _Process(double delta) {
+		// RPClient.PollEx(delta);
+	}
+
+	public override void _Notification(int what) {
+		if (what == NotificationWMCloseRequest) {
+			// SaveConfig();
+			// RPClient.Close();
+			GetTree().Quit(); // default behavior
+		}
+	}
+
+	public delegate void ChangeSceneCallback(Node newSence);
+	private static ChangeSceneCallback? changeSceneCallback = null;
+	public void GotoScene(string path, ChangeSceneCallback? callback = null) {
+		// This function will usually be called from a signal callback,
+		// or some other function from the current scene.
+		// Deleting the current scene at this point is
+		// a bad idea, because it may still be executing code.
+		// This will result in a crash or unexpected behavior.
+
+		// The solution is to defer the load to a later time, when
+		// we can be sure that no code from the current scene is running:
+		if (callback != null) {
+			changeSceneCallback = callback;
+		}
+		Callable callbackWrapper = new(null, nameof(changeSceneCallback));
+
+		CallDeferred(MethodName.DeferredGotoScene, path, callbackWrapper);
+		changeSceneCallback = null;
+	}
+
+	public void DeferredGotoScene(string path, Callable onLoaded) {
+		// It is now safe to remove the current scene.
+		CurrentScene.Free();
+
+		// Load a new scene.
+		var nextScene = GD.Load<PackedScene>(path);
+
+		// Instance the new scene.
+		CurrentScene = nextScene.Instantiate();
+		if (changeSceneCallback != null) {
+			onLoaded.Call(CurrentScene);
+		}
+
+		// Add it to the active scene, as child of root.
+		GetTree().Root.AddChild(CurrentScene);
+
+		// Optionally, to make it compatible with the SceneTree.change_scene_to_file() API.
+		GetTree().CurrentScene = CurrentScene;
+
+		OnGotoScene();
+	}
+}

Scripts/GlobalManager.cs.uid

@@ -0,0 +1 @@
+uid://gfwgyu7p8hoi

Scripts/Logger.cs

@@ -0,0 +1,175 @@
+using Godot;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+
+/// <summary>
+/// 仿照 Python logging 的 日志系统
+/// </summary>
+public static class Logging {
+    // ========== 日志级别 ==========
+    public enum Level {
+        NOSET = 0,
+        DEBUG = 10,
+        INFO = 20,
+        WARNING = 30,
+        ERROR = 40,
+        CRITICAL = 50
+    }
+
+    /// <summary>
+    /// 日志记录器
+    /// </summary>
+    public class Logger(string name) {
+        public string Name { get; } = name;
+        public Level LogLevel { get; set; } = Level.INFO;
+        private readonly List<Action<Level, string, string, string>> _handlers = [];
+
+        public void AddHandler(Action<Level, string, string, string> handler) =>
+            _handlers.Add(handler);
+
+        // ===== 日志方法 =====
+        public void Debug(string fmt, params object[] args) =>
+            Log(Level.DEBUG, fmt, false, args);
+
+        public void Info(string fmt, params object[] args) =>
+            Log(Level.INFO, fmt, false, args);
+
+        public void Warning(string fmt, params object[] args) =>
+            Log(Level.WARNING, fmt, false, args);
+
+        public void Error(string fmt, params object[] args) =>
+            Log(Level.ERROR, fmt, false, args);
+
+        public void Critical(string fmt, params object[] args) =>
+            Log(Level.CRITICAL, fmt, true, args);
+
+        public void Exception(string fmt, Exception e, params object[] args) {
+            // TODO for godot not support /r/n yet
+            string stackTrace = e.StackTrace?.Replace("\r\n", "\n") ?? "";
+            string exceptionMessage = $"{fmt}\n{e.Message}\n{stackTrace}";
+
+            Log(Level.ERROR, exceptionMessage, false, args);
+        }
+
+        // ===== 核心Log方法 =====
+        private void Log(Level level, string fmt, bool isExec = false, params object[] args) {
+            if (level < LogLevel) return;
+
+            // 格式化消息
+            string message = args.Length > 0 ?
+                string.Format(fmt, args) : fmt;
+
+            // 添加执行堆栈信息
+            string stackInfo = isExec ?
+                $"\nExecution Stack:\n{System.Environment.StackTrace}" : "";
+
+            // 构建前缀
+            string prefix = $"[{DateTime.Now:HH:mm:ss}] [{level}] [{Name}]";
+
+            // 调用所有处理器
+            foreach (var handler in _handlers) {
+                handler(level, prefix, message, stackInfo);
+            }
+        }
+
+        [Conditional("DEBUG")]
+        public void Assert(bool condition, string fmt, params object[] args) {
+            if (condition) return;
+            string message = args.Length > 0 ?
+                string.Format(fmt, args) : fmt;
+            Error("Assertion Failed: " + message, true);
+
+            if (Debugger.IsAttached)
+                Debugger.Break();
+
+            System.Diagnostics.Debug.Assert(condition, message);
+        }
+    }
+
+    // ========== 全局管理器 ==========
+    private static readonly Dictionary<string, Logger> _loggers = [];
+    private static readonly Logger _root = GetLogger("root");
+
+    /// <summary>
+    /// 获取或创建日志记录器
+    /// </summary>
+    public static Logger GetLogger(string name = "root") {
+        if (!_loggers.TryGetValue(name, out var logger)) {
+            logger = new Logger(name);
+            logger.AddHandler(DefaultHandler);
+            _loggers[name] = logger;
+        }
+        return logger;
+    }
+
+    // ========== 优化的默认处理器 ==========
+    private static void DefaultHandler(Level level, string prefix, string message, string stackInfo) {
+        // 构建完整日志消息
+        string fullMessage = $"{prefix} {message}{stackInfo}";
+
+        switch (level) {
+            case Level.DEBUG:
+                // DEBUG级别：使用GD.Print + OS条件
+                if (OS.IsStdOutVerbose())
+                    GD.Print(fullMessage);
+                break;
+
+            case Level.INFO:
+                // INFO级别：使用GD.Print
+                GD.Print(fullMessage);
+                break;
+
+            case Level.WARNING:
+                // WARNING级别：使用PrintRich + 黄色
+                GD.PrintRich($"[color=yellow]{fullMessage}[/color]");
+                break;
+
+            case Level.ERROR:
+                // ERROR级别：使用GD.PrintErr
+                GD.PrintRich($"[color=red][b]{fullMessage}[/b][/color]");
+                // GD.PrintErr(fullMessage);
+                break;
+
+            case Level.CRITICAL:
+                // CRITICAL级别：使用GD.PushError
+                GD.PushError(fullMessage);
+                break;
+        }
+    }
+
+    // ========== 快捷操作方式 ==========
+    public static void Debug(string fmt, params object[] args) =>
+        _root.Debug(fmt, args);
+
+    public static void Info(string fmt, params object[] args) =>
+        _root.Info(fmt, args);
+
+    public static void Warning(string fmt, params object[] args) =>
+        _root.Warning(fmt, args);
+
+    public static void Error(string fmt, params object[] args) =>
+        _root.Error(fmt, args);
+
+    public static void Critical(string fmt, params object[] args) =>
+        _root.Critical(fmt, args);
+
+    // ===== C语言风格的宏断言快捷方式 =====
+    [Conditional("DEBUG")]
+    public static void Assert(bool condition, string fmt, params object[] args) =>
+        _root.Assert(condition, fmt, args);
+
+    [Conditional("DEBUG")]
+    public static void TestPrint() {
+        GD.Print("GameSystem Singleton Initialized");
+        GD.PrintErr("This is a print error");
+        GD.PushWarning("This is a warning");
+        GD.PushError("This is a error");
+        Debug("This is a debug");
+        Info("This is a info");
+        Warning("This is a warn");
+        Error("This is a error");
+        Critical("This is a critical");
+        Assert(true, "This is a assert");
+    }
+}

Scripts/Logger.cs.uid

@@ -0,0 +1 @@
+uid://bud682vprk1w6

Scripts/Mods/GlobalModManager.cs

@@ -0,0 +1,72 @@
+using Godot;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+
+public class GlobalModManager(string modPath = "user://mods") {
+    public static GlobalModManager Instance { get; } = new();
+    private readonly Dictionary<string, LuaModManager> _mods = [];
+    public ReadOnlyDictionary<string, LuaModManager> Mods => new(_mods);
+    private readonly Dictionary<string, string> _modList = [];
+    public ReadOnlyDictionary<string, string> ModList => new(_modList);
+    private readonly string modPath = modPath;
+    private static readonly Logging.Logger logger = Logging.GetLogger("GlobalMod");
+
+    public void SearchAllMods(bool isFlush = false) {
+        if (isFlush) {
+            _modList.Clear();
+        }
+        if (!DirAccess.DirExistsAbsolute(modPath))
+            return;
+
+        using var dir = DirAccess.Open(modPath);
+        if (dir == null) return;
+
+        dir.ListDirBegin();
+        string fileName = dir.GetNext();
+        while (!string.IsNullOrEmpty(fileName)) {
+            string fullPath = $"{modPath}/{fileName}";
+            const string entryFileName = "main.lua";
+
+            if (dir.CurrentIsDir() && !fileName.StartsWith('.') &&
+            FileAccess.FileExists($"{fullPath}/{entryFileName}")) {
+                _modList.Add($"{fullPath}/{entryFileName}", fullPath);
+            }
+            fileName = dir.GetNext();
+        }
+    }
+
+    public void LoadAllMods(bool isFlush = false) {
+        if (isFlush) {
+            _mods.Clear();
+        }
+        foreach (var mod in _modList) {
+            try {
+                LoadMod(mod.Key, mod.Value);
+            }
+            catch (System.Exception e) {
+                logger.Exception("Failed to load mod {0}", e, mod.Key);
+            }
+        }
+    }
+
+    public void ClearAllMods() {
+        _mods.Clear();
+    }
+
+    private void LoadMod(string filePath, string modPath) {
+        string _filePath = ProjectSettings.GlobalizePath(filePath);
+        string _modPath = ProjectSettings.GlobalizePath(modPath);
+        _mods.Add(filePath, new LuaModManager(_filePath, _modPath));
+    }
+
+    private static void SaveFile(string path, string content) {
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Write);
+        file.StoreString(content);
+    }
+
+    private static string LoadFile(string path) {
+        using var file = FileAccess.Open(path, FileAccess.ModeFlags.Read);
+        string content = file.GetAsText();
+        return content;
+    }
+}

Scripts/Mods/GlobalModManager.cs.uid

@@ -0,0 +1 @@
+uid://c45a7ldunixnh

Scripts/Mods/LuaModManager.cs

@@ -0,0 +1,44 @@
+using System;
+using System.IO;
+using System.Linq;
+using NLua;
+
+public class LuaModManager : IDisposable {
+    private readonly Lua lua = new();
+    private static readonly Logging.Logger logger = Logging.GetLogger("LuaMod");
+
+    public LuaModManager(string path, string? package_path = null) {
+        lua.LoadCLRPackage();
+        lua.State.Encoding = System.Text.Encoding.UTF8;
+        lua["package.path"] = package_path ?? Path.GetDirectoryName(path) + "/?.lua;";
+        lua.RegisterFunction("print", new Action<object[]>(Godot.GD.Print).Method);
+
+        logger.Info("Loading Lua Mod: " + path);
+        lua.DoFile(path);
+    }
+
+    public void BindFunc(ModManager mod) {
+        foreach (var api in mod.GetAPIs()) {
+            lua.RegisterFunction(api.Key, api.Value.Target, api.Value.Method);
+        }
+        foreach (var hook in mod.GetHooks()) {
+            if (lua[hook.Key] is LuaFunction func) {
+                mod.AddHook(hook.Key, (args) => {
+                    var rets = func.Call(args).FirstOrDefault();
+                    if (rets is bool b) return b;
+                    return false;
+                });
+            }
+        }
+    }
+
+    public void Dispose() {
+        lua?.Dispose();
+        GC.SuppressFinalize(this);
+    }
+
+    public static void WriteComment(Delegate @delegate) {
+        // TODO
+    }
+}
+

Scripts/Mods/LuaModManager.cs.uid

@@ -0,0 +1 @@
+uid://dtqaboju24vmn

Scripts/Mods/ModManager.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Reflection;
+
+public class ModManager {
+    private readonly Dictionary<string, Delegate> _api = [];
+    private readonly Dictionary<string, Delegate> _hooks = [];
+    public delegate bool OnCallback(params object[] args);
+    private readonly Dictionary<string, List<OnCallback>> _callbackList = [];
+
+    public ReadOnlyDictionary<string, Delegate> GetAPIs() => new(_api);
+    public ReadOnlyDictionary<string, Delegate> GetHooks() => new(_hooks);
+
+    public ModManager RegistryFunc<TDelegate>(string name, TDelegate handler, bool isHook = false)
+    where TDelegate : Delegate {
+        MethodInfo _ = handler.Method;
+        Dictionary<string, Delegate> dict = isHook ? _hooks : _api;
+        dict.Add(name, handler);
+        return this;
+    }
+
+    public bool AddHook(string name, OnCallback handler) {
+        if (_hooks.ContainsKey(name)) {
+            if (!_callbackList.TryGetValue(name, out var list)) {
+                list = [];
+                _callbackList[name] = list;
+            }
+            list.Add(handler);
+            return true;
+        }
+        return false;
+    }
+
+    public bool InvokeFunc<TDelegate>(string name, params object[] args)
+    where TDelegate : Delegate {
+        List<object> res = [];
+        if (_callbackList.TryGetValue(name, out var callback)) {
+            foreach (var func in callback) {
+                func?.Invoke(args);
+            }
+        }
+        return true;
+    }
+}

Scripts/Mods/ModManager.cs.uid

@@ -0,0 +1 @@
+uid://lmuddan86bi8

Scripts/Src/AbstractBoard.cs

@@ -0,0 +1,117 @@
+using System.Collections.Generic;
+using Vector2I = Vector.Vector2I;
+
+using static IBoard;
+public abstract class AbstractBoard(int rows, int cols, int maxRecords = int.MaxValue,
+        IBoardOn? on = null) : IBoard {
+    private readonly int rows = rows;
+    private readonly int cols = cols;
+    protected readonly IPiece?[,] pieces = new IPiece[rows, cols];
+    protected readonly List<MoveRecord> moveRecords = [];
+    protected readonly int MAX_RECORDS = maxRecords;
+
+    public int Rows => rows;
+    public int Cols => cols;
+    protected IBoardOn? on = on;
+
+    public virtual IBoardOn? On { get => on; set => on = value; }
+
+    public virtual bool IsPosOutOfRange(Vector2I arrayPos) {
+        return arrayPos.X < 0 || arrayPos.X >= Rows || arrayPos.Y < 0 || arrayPos.Y >= Cols;
+    }
+
+    public virtual IPiece? GetPiece(Vector2I arrayPos) {
+        if (IsPosOutOfRange(arrayPos)) return null;
+        return pieces[arrayPos.X, arrayPos.Y];
+    }
+
+    public virtual IPiece? SetPiece(IPiece? piece, Vector2I pos) {
+        if (IsPosOutOfRange(pos)) return null;
+        
+        IPiece? oldPiece = pieces[pos.X, pos.Y];
+        pieces[pos.X, pos.Y] = piece;
+        if (piece is not null) piece.Pos = pos;
+        // if (oldPiece != null) oldPiece.Pos = Vector2I.Zero;
+
+        on?.OnSetPieceInteral(this, new IBoardOn.SetPieceEventArgs
+            (oldPiece, piece, pos));
+        return oldPiece;
+    }
+
+    public virtual bool InsertPiece(IPiece piece, Vector2I pos) {
+        if (GetPiece(pos) is not null && piece == null) {
+            return false;
+        }
+
+        on?.OnInsert(this, piece);
+        SetPiece(piece, pos);
+        return true;
+    }
+
+    public virtual bool MovePiece(Vector2I from, Vector2I to) {
+        if (IsPosOutOfRange(to) || IsPosOutOfRange(from)) {
+            return false;
+        }
+
+        IPiece? piece = GetPiece(from);
+        if (GetPiece(to) is not null || piece is null) {
+            return false;
+        }
+
+        on?.OnMove(this, new IBoardOn.MoveEventArgs(piece, from, to));
+        SetPiece(null, from);
+        SetPiece(piece, to);
+        return true;
+    }
+
+    public virtual IPiece? RemovePiece(Vector2I pos) {
+        IPiece? piece = GetPiece(pos);
+        if (piece is null) return null;
+        
+        on?.OnRemove(this, piece);
+        return SetPiece(null, pos);
+    }
+
+    public virtual void Clear() { Clear(true); }
+
+    public virtual void Clear(bool clearRecords) {
+        for (int i = 0; i < Rows; i++) {
+            for (int j = 0; j < Cols; j++) {
+                RemovePiece(new Vector2I(i, j));
+            }
+        }
+        if (clearRecords) ClearRecords();
+    }
+
+    public virtual void ClearRecords() {
+        moveRecords.Clear();
+    }
+
+    public virtual void AddRecord(IPiece? From, IPiece? To, Vector2I FromPos, Vector2I ToPos) {
+        if (moveRecords.Count >= MAX_RECORDS) {
+            moveRecords.RemoveAt(0);
+        }
+        MoveRecord record = new(From, To, FromPos, ToPos);
+
+        on?.OnAddRecord(this, record);
+        moveRecords.Add(record);
+    }
+    
+    public virtual void UndoRecord() {
+        if (moveRecords.Count == 0) return;
+        MoveRecord record = moveRecords[^1];
+        moveRecords.RemoveAt(moveRecords.Count - 1);
+
+        // 恢复新位置的棋子，order is very inmportant
+        if (record.From is not null) {
+            MovePiece(record.ToPos, record.FromPos);
+        }
+        
+        // 恢复旧位置的棋子
+        if (record.To is not null) {
+            InsertPiece(record.To, record.ToPos);
+        }
+
+        on?.OnUndoRecord(this, record);
+    }
+}

Scripts/Src/AbstractBoard.cs.uid

@@ -0,0 +1 @@
+uid://d1xim7v5bes7j

Scripts/Src/AbstractPiece.cs

@@ -0,0 +1,67 @@
+using System.Collections.Generic;
+using Vector2I = Vector.Vector2I;
+
+using static IPiece;
+public abstract class AbstractPiece(string name = "", Vector2I? pos = null,
+        IPieceOn? on = null) : IPiece {
+    private Vector2I pos = pos ?? new(); // 注意这个坐标的非像素坐标而是棋盘坐标
+    private bool isSelected = false;
+    protected string name = name;
+    private Dictionary<string, object> data = [];
+    protected IPieceOn? on = on;
+
+    public virtual IPieceOn? On { get => on; set => on = value; }
+
+    public virtual Vector2I Pos {
+        get => pos;
+        set {
+            if (pos != value) {
+                var oldPos = pos;
+                pos = value;
+                on?.OnPos(this, oldPos);
+            }
+        }
+    }
+
+    public virtual bool IsSelected {
+        get => isSelected;
+        set {
+            if (isSelected != value) {
+                var oldIsSelected = isSelected;
+                isSelected = value;
+                on?.OnSelected(this, oldIsSelected);
+            }
+        }
+    }
+
+    public virtual string Name {
+        get => name;
+        set {
+            if (name != value) {
+                var oldName = name;
+                name = value;
+                on?.OnName(this, oldName);
+            }
+        }
+    }
+
+    public virtual Dictionary<string, object> Data {
+        get => data;
+        set => data = value;
+    }
+
+    public virtual bool Move(Vector2I pos) {
+        if (!CanMove(pos)) {
+            return false;
+        }
+        Pos = pos;
+        on?.OnMove(this, pos);
+        return true;
+    }
+
+    public abstract bool CanMove(Vector2I to);
+
+    public override string ToString() {
+        return $"{Name} at {pos}";
+    }
+}

Scripts/Src/AbstractPiece.cs.uid

@@ -0,0 +1 @@
+uid://cxlgd4kjfae7i

Scripts/Src/ChineseChess/CCBoard.cs

@@ -0,0 +1,89 @@
+using System.Collections;
+using static ChineseChess.ChessCore;
+using Vector2I = Vector.Vector2I;
+
+namespace ChineseChess;
+public interface ICCBoardOn : IBoard.IBoardOn {
+    void OnSteps(object self, int oldSteps) {}
+}
+
+public class CCBoard(ICCBoardOn? on = null) : AbstractBoard(9, 10, on: on) {
+    private int steps = 0;
+    protected new ICCBoardOn? on = on;
+    // public virtual IPieceOn? On { get => on; set => on = value; }
+    public new ICCBoardOn? On { get => on; set {
+        on = value; base.on = value;} }
+
+    public int Steps {
+        get => steps;
+        protected set {
+            if (steps != value) {
+                var oldSteps = steps;
+                steps = value;
+                on?.OnSteps(this, oldSteps);
+            }
+        }
+    }
+
+    public override void AddRecord(IPiece? From, IPiece? To, Vector2I FromPos, Vector2I ToPos) {
+        base.AddRecord(From, To, FromPos, ToPos);
+        Steps += 1;
+    }
+
+    public override void UndoRecord() {
+		base.UndoRecord();
+        if (Steps > 0) Steps -= 1;
+	}
+
+    public (ArrayList, ArrayList) InitGame() {
+        Steps = 0;
+        ArrayList blackPart = InitOnePartPieces(TurnsSideType.Black, [
+            new CCChariot (this, TurnsSideType.Black, new Vector2I( 4, 0)),
+            new CCHorse   (this, TurnsSideType.Black, new Vector2I( 3, 0)),
+            new CCElephant(this, TurnsSideType.Black, new Vector2I( 2, 0)),
+            new CCAdvisor (this, TurnsSideType.Black, new Vector2I( 1, 0)),
+            new CCGeneral (this, TurnsSideType.Black, new Vector2I( 0, 0)),
+            new CCAdvisor (this, TurnsSideType.Black, new Vector2I(-1, 0)),
+            new CCElephant(this, TurnsSideType.Black, new Vector2I(-2, 0)),
+            new CCHorse   (this, TurnsSideType.Black, new Vector2I(-3, 0)),
+            new CCChariot (this, TurnsSideType.Black, new Vector2I(-4, 0)),
+            new CCCannon  (this, TurnsSideType.Black, new Vector2I( 3, 2)),
+            new CCCannon  (this, TurnsSideType.Black, new Vector2I(-3, 2)),
+            new CCPawn    (this, TurnsSideType.Black, new Vector2I(-4, 3)),
+            new CCPawn    (this, TurnsSideType.Black, new Vector2I(-2, 3)),
+            new CCPawn    (this, TurnsSideType.Black, new Vector2I( 0, 3)),
+            new CCPawn    (this, TurnsSideType.Black, new Vector2I( 2, 3)),
+            new CCPawn    (this, TurnsSideType.Black, new Vector2I( 4, 3)),
+        ]);
+
+        ArrayList redPart = InitOnePartPieces(TurnsSideType.Red, [
+            new CCChariot (this, TurnsSideType.Red, new Vector2I( 4, 0)),
+            new CCHorse   (this, TurnsSideType.Red, new Vector2I( 3, 0)),
+            new CCElephant(this, TurnsSideType.Red, new Vector2I( 2, 0)),
+            new CCAdvisor (this, TurnsSideType.Red, new Vector2I( 1, 0)),
+            new CCGeneral (this, TurnsSideType.Red, new Vector2I( 0, 0)),
+            new CCAdvisor (this, TurnsSideType.Red, new Vector2I(-1, 0)),
+            new CCElephant(this, TurnsSideType.Red, new Vector2I(-2, 0)),
+            new CCHorse   (this, TurnsSideType.Red, new Vector2I(-3, 0)),
+            new CCChariot (this, TurnsSideType.Red, new Vector2I(-4, 0)),
+            new CCCannon  (this, TurnsSideType.Red, new Vector2I( 3, 2)),
+            new CCCannon  (this, TurnsSideType.Red, new Vector2I(-3, 2)),
+            new CCPawn    (this, TurnsSideType.Red, new Vector2I(-4, 3)),
+            new CCPawn    (this, TurnsSideType.Red, new Vector2I(-2, 3)),
+            new CCPawn    (this, TurnsSideType.Red, new Vector2I( 0, 3)),
+            new CCPawn    (this, TurnsSideType.Red, new Vector2I( 2, 3)),
+            new CCPawn    (this, TurnsSideType.Red, new Vector2I( 4, 3)),
+        ]);
+
+        return (blackPart, redPart);
+    }
+
+    private ArrayList InitOnePartPieces(TurnsSideType side, CCPiece[] pieces) {
+        ArrayList list = [];
+        foreach (var piece in pieces) {
+            list.Add(piece);
+            InsertPiece(piece, piece.Pos);
+        }
+        return list;
+    }
+}

Scripts/Src/ChineseChess/CCBoard.cs.uid

@@ -0,0 +1 @@
+uid://dpcteo12eebjn

Scripts/Src/ChineseChess/CCMain.cs

@@ -0,0 +1,119 @@
+using Vector2 = Vector.Vector2I;
+using System;
+using System.Collections;
+using static IBoard.IBoardOn;
+
+namespace ChineseChess;
+
+public class ChessCore {
+    public enum Mode {
+        SingleMode,
+        MultiMode,
+        DebugMode,
+    };
+
+    public enum TurnsSideType {
+        Red,
+        Black,
+    };
+
+    public enum PlayerSideType {
+        Self,
+        Opponent,
+        Any,
+    };
+
+    private TurnsSideType sideType = TurnsSideType.Red;
+    private readonly TurnsSideType selfSide;
+    public readonly CCBoard board;
+    private readonly Player playerSelf;
+    private readonly Player playerOpponent;
+    // public EventHandler<IBoard.MoveEventArgs> OnMove;
+    public ChessCore(Mode mode, TurnsSideType selfSide, ICCBoardOn? boardOn = null) {
+        this.selfSide = selfSide;
+        board = new(boardOn);
+
+        playerSelf = new(board, Player.PlayerType.Human);
+        playerOpponent = new(board, Player.PlayerType.Human);
+
+        void func(object? _self, MoveEventArgs record) {
+            // 防止 Undo 时 Selected Clear 出现 Null Pointer Exception
+            playerSelf.SelectedClear();
+            playerOpponent.SelectedClear();
+
+            // TODO FIXME it can be simple
+            if (record.From is null || record.To is null) {
+                return;
+            }
+
+            IPiece? from = record.From is not null ? board.GetPiece(record.From) : null;
+            IPiece? to = record.To is not null ? board.GetPiece(record.To) : null; 
+            board.AddRecord(from, to, record.From ?? new(), record.To ?? new());
+        }
+        playerSelf.OnMove += func;
+        playerOpponent.OnMove += func;
+        switch (mode) {
+            case Mode.SingleMode:
+                break;
+            case Mode.MultiMode:
+                break;
+            default:
+            case Mode.DebugMode:
+                throw new NotImplementedException();
+        }
+
+        Init();
+    }
+
+    public void Init() {
+        (ArrayList blackPart, ArrayList redPart) = board.InitGame();
+        if (selfSide == TurnsSideType.Red) {
+            playerSelf.SetAllowedPieces(redPart);
+            playerOpponent.SetAllowedPieces(blackPart);
+        } else {
+            playerSelf.SetAllowedPieces(blackPart);
+            playerOpponent.SetAllowedPieces(redPart);
+        }
+    }
+
+    public void OnPosClicked(Vector2 pos, PlayerSideType clickedSide = PlayerSideType.Any) {
+        if (GetTurnsType() == selfSide) {
+            playerSelf.CanMove = true;
+            playerOpponent.CanMove = false;
+        } else {
+            playerSelf.CanMove = false;
+            playerOpponent.CanMove = true;
+        }
+
+        switch (clickedSide) {
+            case PlayerSideType.Any:
+                playerSelf.HandleBoardPosClick(pos);
+                playerOpponent.HandleBoardPosClick(pos);
+                break;
+            case PlayerSideType.Self:
+                playerSelf.HandleBoardPosClick(pos);
+                break;
+            case PlayerSideType.Opponent:
+                playerOpponent.HandleBoardPosClick(pos);
+                break;
+        }
+    }
+
+    public TurnsSideType GetTurnsType() {
+        sideType = board.Steps % 2 == 0 ? TurnsSideType.Red : TurnsSideType.Black;
+        return sideType;
+    }
+
+    public void Undo() {
+		playerSelf.SelectedClear();
+        playerOpponent.SelectedClear();
+		board.UndoRecord();
+	}
+
+	public void ReInit() {
+        playerSelf.SelectedClear();
+        playerOpponent.SelectedClear();
+		board.Clear(true);
+        Init();
+	}
+}

Scripts/Src/ChineseChess/CCMain.cs.uid

@@ -0,0 +1 @@
+uid://sgx62hxlp6fr

Scripts/Src/ChineseChess/CCPiece.cs

@@ -0,0 +1,85 @@
+namespace ChineseChess;
+
+using System.Collections.Generic;
+using System.Linq;
+using Vector;
+using static ChineseChess.ChessCore;
+
+public class CCPiece : AbstractPiece {
+    public string CNName { get; protected set; } = "unknown";
+    public TurnsSideType TurnsSide { get; }
+    protected CCBoard board;
+    protected Vector2I localPos = new();
+
+    static readonly Trans2DI transRedGlobal2Local =
+        new(new Vector2I(1, 0), new Vector2I(0, -1), new Vector2I(-4, 9));
+    static readonly Trans2DI transBlackGlobal2Local =
+        new(new Vector2I(-1, 0), new Vector2I(0, 1), new Vector2I(4, 0));
+    public CCPiece(CCBoard? board = null, TurnsSideType turnsSide = TurnsSideType.Red,
+            string name = "", Vector2I? pos = null) : base(name) {
+        this.board = board ?? new();
+        TurnsSide = turnsSide;
+        Pos = pos is not null ? Local2Global(pos) : Vector2I.Zero;
+    }
+
+    public override Vector2I Pos {
+        get => base.Pos; set {
+            base.Pos = value;
+            localPos = Global2Local(Pos);
+        }
+    }
+
+    public override bool CanMove(Vector2I to) {
+        return CanMoveAllPos().Any(item => item == to);
+    }
+
+    protected Vector2I Local2Global(in Vector2I pos) {
+        return TurnsSide == TurnsSideType.Red ? (pos * transRedGlobal2Local) : (pos * transBlackGlobal2Local);
+    }
+
+    protected Vector2I Global2Local(in Vector2I pos) {
+        return TurnsSide == TurnsSideType.Red ? (transRedGlobal2Local * pos) : (transBlackGlobal2Local * pos);
+    }
+
+    protected CCPiece? GetCCPieceLocal(in Vector2I pos) {
+        return (CCPiece?)board.GetPiece(Local2Global(pos));
+    }
+
+    public virtual List<Vector2I> CanMoveAllPosSelf() {
+        return [];
+    }
+
+    public IEnumerable<Vector2I> CanMoveAllPosLocal() {
+        var self = CanMoveAllPosSelf().Select(item => item + localPos);
+        var ret = self.Where(item => {
+            CCPiece? piece = GetCCPieceLocal(item);
+            bool ret = piece is null || piece.TurnsSide != TurnsSide;
+            // Console.WriteLine($"{item} can move: {ret}");
+            return ret;
+        });
+
+        // Console.WriteLine("localPos: {0}", localPos);
+        // Console.WriteLine("CanMoveAllPosSelf: {0}", string.Join(",", self));
+        // Console.WriteLine("CanMoveAllPosLocal: {0}", string.Join(",", ret));
+        return ret;
+    }
+
+    public IEnumerable<Vector2I> CanMoveAllPos() {
+        var ret = CanMoveAllPosLocal()
+            .Select(item => Local2Global(item));
+        // Console.WriteLine("CanMoveAllPos: {0}", string.Join(",", ret));
+        return ret;
+    }
+
+    protected bool IsPosOutOfRangeLocal(Vector2I pos) {
+        return board.IsPosOutOfRange(Local2Global(pos));
+    }
+
+    protected (CCPiece?, Vector2I) GetRecursivePieceLocal(Vector2I origin, Vector2I pos) {
+        Vector2I with = origin + pos;
+        while (!IsPosOutOfRangeLocal(with) && GetCCPieceLocal(with) == null) {
+            with += pos;
+        }
+        return (GetCCPieceLocal(with), with);
+    }
+}

Scripts/Src/ChineseChess/CCPiece.cs.uid

@@ -0,0 +1 @@
+uid://b6ajoxcxs66n1

Scripts/Src/ChineseChess/CCPlayer.cs

@@ -0,0 +1,122 @@
+using System;
+using System.Collections;
+using Vector2I = Vector.Vector2I;
+
+namespace ChineseChess;
+using static IBoard.IBoardOn;
+public class Player {
+	private readonly CCBoard board;
+	private readonly SelectedPiece selectedNode;
+	
+	public EventHandler<MoveEventArgs>? OnMove;
+	public bool CanMove { get; set; } = true;
+
+	public enum PlayerType {
+		Human,
+		AI
+	}
+
+	public Player(CCBoard board, PlayerType type = PlayerType.Human) {
+		this.board = board;
+		this.selectedNode = new SelectedPiece(board);
+	}
+
+	public void HandleBoardPosClick(Vector2I clickPos) {
+		if (board.IsPosOutOfRange(clickPos)) return;
+		// Console.WriteLine($"VirtualBoard {clickPos} clicked");
+		IPiece? clickChess = board.GetPiece(clickPos);
+
+		if (!selectedNode.HasSelected()) {
+			// Select piece
+			if (clickChess == null) {
+				// selectedNode.Clear();
+				return;
+			}
+			selectedNode.SetPos(clickPos);
+		} else if (clickChess == selectedNode.GetPiece()) {
+			// Unselect piece
+			selectedNode.Clear();
+		} else {
+			// Move piece
+			// GD.Print("default MoveFunc Move: ", selectedNode.GetPos(), "->", clickPos);
+			if (CanMove) MoveAndRecord(clickPos, selectedNode.GetPos());
+		}
+	}
+
+	public void MoveAndRecord(Vector2I toPos, Vector2I fromPos) {
+		// GD.Print($"{fromPos} move to {toPos}");
+		IPiece? toChess = board.GetPiece(toPos);
+        IPiece? fromChess = board.GetPiece(fromPos);
+		if (fromChess != null) fromChess.IsSelected = false;
+		else return;
+		
+		selectedNode.Clear();
+		if (!fromChess.CanMove(toPos)) {
+			return;
+		}
+
+		// MUST BE THERE !!! 防止删除节点后在启动回调导致错误
+		OnMove?.Invoke(this, new MoveEventArgs
+			(fromChess, fromPos, toPos));
+	
+        if (toChess != null) {
+            board.RemovePiece(toPos);
+        }
+        board.MovePiece(fromPos, toPos);
+
+		selectedNode.Clear();
+	}
+
+	public void SelectedClear() {
+		selectedNode.Clear();
+	}
+
+	public void SetAllowedPieces(ArrayList allowedPieces) {
+		selectedNode.allowedPieces = allowedPieces;
+	}
+
+	private class SelectedPiece {
+		// Called when the node enters the scene tree for the first time.
+		private Vector2I selectedNodePos = Vector2I.MaxValue;
+		private IPiece? piece = null;
+		private readonly CCBoard board;
+		public ArrayList? allowedPieces = null;
+
+		public SelectedPiece(CCBoard board) {
+			this.board = board;
+		}
+
+		public void Clear() {
+			if (selectedNodePos != Vector2I.MaxValue) {
+				selectedNodePos = Vector2I.MaxValue;
+				if (piece != null)
+					piece.IsSelected = false;
+			}
+			// Console.WriteLine("SelectedPiece.Clear {0}", piece);
+		}
+
+		public void SetPos(Vector2I pos) {
+			piece = board.GetPiece(pos);
+			if (allowedPieces != null && allowedPieces.Contains(piece) == false) {
+				return;
+			}
+			selectedNodePos = pos;
+			if (piece == null)
+				return;
+			piece.IsSelected = true;
+			Console.WriteLine("SelectedPiece.SetPos {0}", piece);
+		}
+
+		public IPiece? GetPiece() {
+			return piece;
+		}
+
+		public Vector2I GetPos() {
+			return selectedNodePos;
+		}
+
+		public bool HasSelected() {
+			return selectedNodePos != Vector2I.MaxValue;
+		}
+	}
+}

Scripts/Src/ChineseChess/CCPlayer.cs.uid

@@ -0,0 +1 @@
+uid://blpqjd37p3r38

Scripts/Src/ChineseChess/CCTypes.cs

@@ -0,0 +1,250 @@
+using System.Collections.Generic;
+using static ChineseChess.ChessCore;
+using Vector2I = Vector.Vector2I;
+
+namespace ChineseChess;
+public class CCGeneral : CCPiece {
+    public CCGeneral(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "General", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "帅";
+        } else {
+            CNName = "将";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [
+            new(1, 0),
+            new(-1, 0),
+            new(0, 1),
+            new(0, -1),
+        ];
+
+        // 移除不符合条件的元素
+        list.RemoveAll(item =>
+            localPos.X + item.X > 1 || localPos.X + item.X < -1 ||
+            localPos.Y + item.Y > 2 || localPos.Y + item.Y < 0);
+        
+        (var piece, Vector2I pos) = GetRecursivePieceLocal(localPos, new(0, 1));
+        if (piece is CCGeneral) {
+            list.Add(pos);
+        }
+        return list;
+    }
+}
+
+public class CCAdvisor : CCPiece {
+    public CCAdvisor(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Advisor", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "仕";
+        } else {
+            CNName = "士";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [
+            new(1, 1),
+            new(-1, 1),
+            new(1, -1),
+            new(-1, -1),
+        ];
+
+        // 移除不符合条件的元素
+        list.RemoveAll(item =>
+            localPos.X + item.X > 1 || localPos.X + item.X < -1 ||
+            localPos.Y + item.Y > 2 || localPos.Y + item.Y < 0);
+
+        return list;
+    }
+}
+
+public class CCElephant : CCPiece {
+    public CCElephant(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Bishop", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "相";
+        } else {
+            CNName = "象";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [
+            new(2, 2),
+            new(-2, 2),
+            new(2, -2),
+            new(-2, -2),
+        ];
+
+        list.RemoveAll(item => IsPosOutOfRangeLocal(localPos + item));
+        // 移除不符合条件的元素
+        list.RemoveAll(item => localPos.Y + item.Y < 0 || localPos.Y + item.Y > 4 ||
+            GetCCPieceLocal(new(localPos.X + item.X / 2, localPos.Y + item.Y / 2)) is not null);
+
+        return list;
+    }
+}
+
+public class CCHorse : CCPiece {
+    public CCHorse(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Horse", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "馬";
+        } else {
+            CNName = "马";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [
+            new Vector2I(1, 2),
+            new Vector2I(1, -2),
+            new Vector2I(2, 1),
+            new Vector2I(2, -1),
+            new Vector2I(-1, -2),
+            new Vector2I(-1, 2),
+            new Vector2I(-2, -1),
+            new Vector2I(-2, 1),
+        ];
+
+        list.RemoveAll(item => IsPosOutOfRangeLocal(localPos + item));
+        list.RemoveAll(item => {
+            Vector2I pos = new(localPos);
+            if (item.X == 2) {
+                pos.X += 1;
+            } else if (item.X == -2) {
+                pos.X -= 1;
+            } else if (item.Y == 2) {
+                pos.Y += 1;
+            } else if (item.Y == -2) {
+                pos.Y -= 1;
+            }
+            return GetCCPieceLocal(pos) is not null;
+        });
+        return list;
+    }
+}
+
+public class CCChariot : CCPiece {
+    public CCChariot(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Chariot", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "車";
+        } else {
+            CNName = "车";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [];
+
+        void func(Vector2I added) {
+            Vector2I ptr = new(localPos);
+            while (true) {
+                ptr += added;
+                if (IsPosOutOfRangeLocal(ptr)) {
+                    break;
+                }
+                if (GetCCPieceLocal(ptr) != null) {
+                    list.Add(ptr - localPos);
+                    break;
+                }
+                list.Add(ptr - localPos);
+            }
+        }
+
+        func(Vector2I.Up);
+        func(Vector2I.Down);
+        func(Vector2I.Left);
+        func(Vector2I.Right);
+        return list;
+    }
+}
+
+public class CCCannon : CCPiece {
+    public CCCannon(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Cannon", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "砲";
+        } else {
+            CNName = "炮";
+        }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [];
+
+        void func(Vector2I added) {
+            Vector2I ptr = new(localPos);
+            bool flag = true;
+            while (true) {
+                ptr += added;
+                if (IsPosOutOfRangeLocal(ptr)) {
+                    break;
+                }
+                if (GetCCPieceLocal(ptr) != null) {
+                    if (flag) {
+                        flag = false;
+                    } else {
+                        list.Add(ptr - localPos);
+                        break;
+                    }
+                }
+                if (flag) list.Add(ptr - localPos);
+            }
+        }
+
+        func(Vector2I.Up);
+        func(Vector2I.Down);
+        func(Vector2I.Left);
+        func(Vector2I.Right);
+        return list;
+    }
+}
+
+public class CCPawn : CCPiece {
+    public CCPawn(CCBoard board, TurnsSideType turnsSide = TurnsSideType.Red, Vector2I? pos = null)
+    : base(board, turnsSide, name : "Pawn", pos) {
+        if (turnsSide == TurnsSideType.Red) {
+            CNName = "兵";
+        } else {
+            CNName = "卒";
+       }
+    }
+
+    public override List<Vector2I> CanMoveAllPosSelf() {
+        List<Vector2I> list = [
+            new(0, 1),
+            new(1, 0),
+            new(-1, 0),
+        ];
+
+        list.RemoveAll(item => IsPosOutOfRangeLocal(localPos + item));
+        list.RemoveAll(item => localPos.Y <= 4 && item != new Vector2I(0, 1));
+        return list;
+    }
+}
+
+// 帅/将 (General) - 代表双方的最高统帅。
+// 子类名：ChessGeneral
+
+// 仕/士 (Advisor) - 保护帅/将的近身侍卫。
+// 子类名：ChessAdvisor
+
+// 相/象 (Elephant) - 行动受限，走田字格，不能过河。
+// 子类名：ChessElephant
+
+// 車/车 (Chariot) - 横竖移动，威力巨大。
+// 子类名：ChessChariot
+
+// 馬/马 (Horse) - 走日字形，跳跃式移动。
+// 子类名：ChessHorse
+
+// 砲/炮 (Cannon) - 需要隔子才能吃子，直线移动。
+// 子类名：ChessCannon
+
+// 兵/卒 (Pawn) - 最基础的棋子，过河后可横移。
+// 子类名：ChessPawn

Scripts/Src/ChineseChess/CCTypes.cs.uid

@@ -0,0 +1 @@
+uid://mv1sbsok7q3k

Scripts/Src/IBoard.cs

@@ -0,0 +1,33 @@
+using System;
+using Godot;
+using Vector2I = Vector.Vector2I;
+
+
+public interface IBoard {
+    public interface IBoardOn {
+        void OnInsert(object self, IPiece piece) {}
+        void OnRemove(object self, IPiece piece) {}
+        void OnMove(object self, MoveEventArgs args) {}
+
+        void OnAddRecord(object self, MoveRecord record) {}
+        void OnUndoRecord(object self, MoveRecord record) {}
+        void OnSetPieceInteral(object self, SetPieceEventArgs args) {}
+        record SetPieceEventArgs(IPiece? OldPiece, IPiece? NewPiece, Vector2I Pos);
+        record MoveEventArgs(IPiece? Piece, Vector2I From, Vector2I To);
+    }
+
+    public IBoardOn? On { get; protected set; }
+    public int Rows { get; }
+    public int Cols { get; }
+
+    bool IsPosOutOfRange(Vector2I pos);
+    IPiece? GetPiece(Vector2I pos);
+    IPiece? SetPiece(IPiece? piece, Vector2I pos);
+    bool InsertPiece(IPiece piece, Vector2I pos);
+    bool MovePiece(Vector2I from, Vector2I to);
+    IPiece? RemovePiece(Vector2I pos);
+    void Clear(bool clearRecords);
+    void AddRecord(IPiece? From, IPiece? To, Vector2I FromPos, Vector2I ToPos);
+    void UndoRecord();
+    record MoveRecord(IPiece? From, IPiece? To, Vector2I FromPos, Vector2I ToPos);
+}

Scripts/Src/IBoard.cs.uid

@@ -0,0 +1 @@
+uid://cgbntdvka6y2f

Scripts/Src/IPiece.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.Generic;
+using Vector2I = Vector.Vector2I;
+
+
+public interface IPiece {
+    public interface IPieceOn {
+        void OnPos(object self, Vector2I oldPos) {}
+        void OnMove(object self, Vector2I oldPos) {}
+        void OnSelected(object self, bool oldIsSelected) {}
+        void OnName(object self, string oldName) {}
+    }
+
+    IPieceOn? On { get; protected set; }
+    Vector2I Pos { get; set; }
+    string Name { get; set; }
+    bool IsSelected { get; set; }
+    Dictionary<string, object> Data { get; set; }
+
+    bool CanMove(Vector2I to);
+    bool Move(Vector2I pos);
+}

Scripts/Src/IPiece.cs.uid

@@ -0,0 +1 @@
+uid://dr1tx5gmpvy2h

Scripts/Src/Vector.cs

@@ -0,0 +1,133 @@
+using System.Diagnostics;
+
+namespace Vector;
+
+public class Vector2I {
+    public Vector2I() {
+        X = 0;
+        Y = 0;
+    }
+
+    public Vector2I(int x, int y) {
+        X = x;
+        Y = y;
+    }
+
+    public Vector2I(Vector2I other) {
+        X = other.X;
+        Y = other.Y;
+    }
+
+    public int X { get; set; }
+    public int Y { get; set; }
+
+    public static bool operator ==(Vector2I a, Vector2I b) {
+        return a?.X == b?.X && a?.Y == b?.Y;
+    }
+    
+    public static bool operator !=(Vector2I a, Vector2I b) {
+        return !(a == b);
+    }
+
+    public static Vector2I operator +(Vector2I left, Vector2I right) {
+        return new (
+            left.X + right.X,
+            left.Y + right.Y);
+    }
+
+    public static Vector2I operator -(Vector2I left, Vector2I right) {
+        return new (
+            left.X - right.X,
+            left.Y - right.Y);
+    }
+
+    public static Vector2I operator *(Vector2I left, Vector2I right) {
+        return new (
+            left.X * right.X,
+            left.Y * right.Y);
+    }
+
+    public int Dot(Vector2I with) {
+        return X * with.X + Y * with.Y;
+    }
+
+    public override bool Equals(object? obj) {
+        if (obj is Vector2I other) {
+            return this == other;
+        }
+        return false;
+    }
+
+    public override int GetHashCode() {
+        return System.HashCode.Combine(X, Y);
+    }
+
+    public static readonly Vector2I MaxValue = new(int.MaxValue, int.MinValue);
+    public static readonly Vector2I MinValue = new (int.MinValue, int.MaxValue);
+    public static readonly Vector2I Zero = new(0, 0);
+    
+    public static readonly Vector2I Up = new(0, 1);
+    public static readonly Vector2I Down = new(0, -1);
+    public static readonly Vector2I Left = new(-1, 0);
+    public static readonly Vector2I Right = new(1, 0);
+
+    public override string ToString() {
+        return $"({X},{Y})";
+    }
+}
+
+public class Trans2DI {
+    public Vector2I XAxis { get; set; } // x axis , first column
+    public Vector2I YAxis { get; set; } // y axis , second column
+    public Vector2I Origin { get; set; } // origin point
+    public Trans2DI() {
+        XAxis = new Vector2I(1, 0);
+        YAxis = new Vector2I(0, 1);
+        Origin = new Vector2I(0, 0);
+    }
+
+    public Trans2DI(Vector2I xAxis, Vector2I yAxis, Vector2I origin) {
+        XAxis = xAxis;
+        YAxis = yAxis;
+        Origin = origin;
+    }
+
+    public Trans2DI(Trans2DI other) {
+        XAxis = other.XAxis;
+        YAxis = other.YAxis;
+        Origin = other.Origin;
+    }
+
+    public Trans2DI(int xx, int xy, int yx, int yy, int ox, int oy) {
+        XAxis = new Vector2I(xx, xy);
+        YAxis = new Vector2I(yx, yy);
+        Origin = new Vector2I(ox, oy);
+    }
+
+    public static Trans2DI Identity => new();
+
+    /**
+     * X.x Y.x  *  v.x  +  O.x  =  X.x * v.x + Y.x * v.y  +  O.x
+     * X.y Y.y     v.y     O.y     X.y * v.x + Y.y * v.y  +  O.y
+     */
+    public static Vector2I operator *(in Trans2DI trans, in Vector2I vec) {
+        return new Vector2I(
+            trans.XAxis.X * vec.X + trans.XAxis.Y * vec.Y,
+            trans.YAxis.X * vec.X + trans.YAxis.Y * vec.Y) + trans.Origin;
+    }
+
+    public static Vector2I operator *(in Vector2I vec, in Trans2DI trans) {
+        Vector2I with = vec - trans.Origin;
+        return new Vector2I(
+            trans.XAxis.X * with.X + trans.XAxis.Y * with.Y,
+            trans.YAxis.X * with.X + trans.YAxis.Y * with.Y);
+    }
+
+    public static Trans2DI operator *(Trans2DI a, Trans2DI b) {
+        return new Trans2DI();
+    }
+
+    public override string ToString() {
+        return $"[{XAxis}, {YAxis}, {Origin}]";
+    }
+}

Scripts/Src/Vector.cs.uid

@@ -0,0 +1 @@
+uid://btjgh7imdrha1

Scripts/Utilities/GodotConfigManager.cs

@@ -0,0 +1,58 @@
+using Godot;
+using System.Collections.Generic;
+
+class GodotConfigManager {
+    private readonly string ConfigFilePath;
+    private readonly ConfigFile config = new();
+    private readonly bool successful;
+
+    public GodotConfigManager(string ConfigFilePath) {
+        this.ConfigFilePath = ConfigFilePath;
+
+        Error err = config.Load(ConfigFilePath);
+		if (err == Error.Ok) {
+			successful = true;
+		} else {
+			successful = false;
+			GD.PrintErr("config.Load", err);
+			// OS.Alert("配置文件加载失败！", "错误");
+			return;
+		}
+    }
+
+	public void LoadConfig(string SessionName,
+			Dictionary<string, Variant> data) {
+
+		// 如果文件没有加载，忽略它。
+		if (!successful) {
+			return;
+		}
+
+		// 迭代所有小节。
+		foreach (string session in config.GetSections()) {
+			if (session == SessionName) {
+				foreach (var key in config.GetSectionKeys(session)) {
+					if (data.ContainsKey(key)) {
+						data[key] = config.GetValue(session, key);
+					}
+				}
+			}
+		}
+	}
+
+    public void SaveConfig(string SessionName, Dictionary<string, Variant> data)
+	{
+        // 将 GlobalConfig 中的键值对写入配置文件
+        foreach (var key in data.Keys)
+        {
+			GD.Print(data[key]);
+
+            config.SetValue(SessionName, key, data[key]);
+        }
+
+        // 保存配置文件
+        if (config.Save(ConfigFilePath) != Error.Ok) {
+			OS.Alert("配置文件保存失败！", "错误");
+		}
+    }
+}

Scripts/Utilities/GodotConfigManager.cs.uid

@@ -0,0 +1 @@
+uid://qfml5c031hb0

Scripts/Utilities/IConfig.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+public interface IConfigManager {
+    void SetFilePath(string filePath);
+    void SetDefault(Dictionary<string, object> defalutConfig);
+    T GetValue<T>(string key);
+    void SetValue<T>(string key, [NotNull]T value) {
+        ArgumentNullException.ThrowIfNull(key);
+        SetValue(key, (object?)value);
+    }
+    void SetValue(string key, [NotNull]object? value);
+    bool HasKey(string key);
+    void SaveToFile();
+    void LoadFromFile();
+}

Scripts/Utilities/IConfig.cs.uid

@@ -0,0 +1 @@
+uid://b8jvplvi4a7iv

Scripts/Utilities/JsonConfig.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Text.Json;
+
+public class JsonConfigManager : IConfigManager {
+    private string? filePath;
+    private Dictionary<string, object> config = [];
+    private Dictionary<string, object>? defaultConfig;
+
+    public T GetValue<T>(string key) {
+        if (config.TryGetValue(key, out object? val)) {
+            if (val is T t) {
+                return t;
+            } else if (val is JsonElement element) {
+                return element.Deserialize<T>() ??
+                    throw new InvalidCastException($"无法将键'{key}'的值转换为类型{typeof(T).Name}");
+            }
+        }
+        if (
+            defaultConfig != null &&
+            defaultConfig.TryGetValue(key, out object? dval) &&
+            dval is T ret) {
+            return ret;
+        }
+        throw new KeyNotFoundException($"Key '{key}' not found in config.");
+    }
+
+    public bool HasKey(string key) => config.ContainsKey(key);
+    public void SaveToFile() {
+        ArgumentException.ThrowIfNullOrWhiteSpace(filePath);
+        File.WriteAllText(filePath, JsonSerializer.Serialize(config));
+    }
+
+    public void LoadFromFile() {
+        ArgumentException.ThrowIfNullOrWhiteSpace(filePath);
+        if (!File.Exists(filePath)) {
+            return;
+        }
+        config = JsonSerializer.Deserialize
+            <Dictionary<string, object>>(File.ReadAllText(filePath)) ?? [];
+    }
+
+    public void SetDefault(Dictionary<string, object> defaultConfig) => this.defaultConfig = defaultConfig;
+
+    public void SetFilePath(string filePath) => this.filePath = filePath;
+
+    public void SetValue(string key, [NotNull]object? value) {
+        ArgumentNullException.ThrowIfNull(value);
+        config[key] = value;
+    }
+}

Scripts/Utilities/JsonConfig.cs.uid

@@ -0,0 +1 @@
+uid://ddvrwflje2x87

Test/Test.csproj

@@ -0,0 +1,31 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="NUnit" Version="3.14.0" />
+    <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\*.csproj" />
+  </ItemGroup>
+  <!-- <ItemGroup>
+    <Compile Include="..\Scripts\Src\*.cs" />
+  </ItemGroup> -->
+
+</Project>

Test/UnitTest1.cs

@@ -0,0 +1,16 @@
+using Vector;
+
+namespace Test;
+public class Tests
+{
+    [SetUp]
+    public void Setup()
+    {
+    }
+
+    [Test]
+    public void Test1()
+    {
+        Assert.Pass();
+    }
+}

Test/src/TestVector.cs

@@ -0,0 +1,277 @@
+using Vector;
+namespace Test.Vector;
+public class TestsVector2I {
+    [SetUp]
+    public void Setup() {
+    }
+
+    [Test]
+    public void TestVector2I_Constructors() {
+        // Arrange & Act
+        var v1 = new Vector2I();
+        var v2 = new Vector2I(1, 2);
+        var v3 = new Vector2I(v2);
+
+        // Assert
+        Assert.Multiple(() => {
+            Assert.That(v1.X, Is.EqualTo(0));
+            Assert.That(v1.Y, Is.EqualTo(0));
+            Assert.That(v2.X, Is.EqualTo(1));
+            Assert.That(v2.Y, Is.EqualTo(2));
+            Assert.That(v3.X, Is.EqualTo(1));
+            Assert.That(v3.Y, Is.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public void TestVector2I_Operators() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(3, 4);
+
+        // Act
+        var v3 = v1 + v2;
+        var v4 = v1 - v2;
+        var v5 = v1 * v2;
+
+        // Assert
+        Assert.Multiple(() => {
+            Assert.That(v3, Is.EqualTo(new Vector2I(4, 6)));
+            Assert.That(v4, Is.EqualTo(new Vector2I(-2, -2)));
+            Assert.That(v5, Is.EqualTo(new Vector2I(3, 8)));
+        });
+    }
+
+    [Test]
+    public void TestVector2I_DotProduct() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(3, 4);
+
+        // Act
+        var dotProduct = v1.Dot(v2);
+
+        // Assert
+        Assert.That(dotProduct, Is.EqualTo(11));
+    }
+
+    [Test]
+    public void TestVector2I_ParameterModification() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(3, 4);
+
+        // Act
+        var v3 = v1 + v2;
+        var v4 = v1 - v2;
+        var v5 = v1 * v2;
+
+        // Assert
+        Assert.Multiple(() => {
+            Assert.That(v1, Is.EqualTo(new Vector2I(1, 2)), "v1 should not be modified");
+            Assert.That(v2, Is.EqualTo(new Vector2I(3, 4)), "v2 should not be modified");
+        });
+    }
+
+    [Test]
+    public void TestVector2I_Equality() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(1, 2);
+        var v3 = new Vector2I(3, 4);
+
+        // Act & Assert
+        Assert.Multiple(() => {
+            Assert.That(v1, Is.EqualTo(v2));
+            Assert.That(v1, Is.Not.EqualTo(v3));
+        });
+    }
+
+    [Test]
+    public void TestVector2I_HashCode() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(1, 2);
+        var v3 = new Vector2I(3, 4);
+
+        // Act & Assert
+        Assert.Multiple(() => {
+            Assert.That(v1.GetHashCode(), Is.EqualTo(v2.GetHashCode()));
+            Assert.That(v1.GetHashCode(), Is.Not.EqualTo(v3.GetHashCode()));
+        });
+    }
+
+    [Test]
+    public void TestVector2I_BoundaryValues() {
+        // Arrange
+        var v1 = new Vector2I(0, 0);
+        var v2 = new Vector2I(-1, -2);
+        var v3 = new Vector2I(int.MaxValue, int.MaxValue);
+        var v4 = new Vector2I(int.MinValue, int.MinValue);
+
+        // Act
+        var v5 = v1 + v2;
+        var v6 = v1 - v2;
+        var v7 = v1 * v2;
+        var v8 = v3 + v4;
+        var v9 = v3 - v4;
+        var v10 = v3 * v4;
+
+        // Assert
+        Assert.Multiple(() => {
+            Assert.That(v5, Is.EqualTo(new Vector2I(-1, -2)));
+            Assert.That(v6, Is.EqualTo(new Vector2I(1, 2)));
+            Assert.That(v7, Is.EqualTo(new Vector2I(0, 0)));
+
+            Assert.That(v8, Is.EqualTo(new Vector2I(-1, -1)));
+            // Assert.That(v9, Is.EqualTo(new Vector2I(2 * int.MaxValue - 1, 2 * int.MaxValue - 1)));
+            // Assert.That(v10, Is.EqualTo(new Vector2I(int.MaxValue * int.MinValue, int.MaxValue * int.MinValue)));
+        });
+    }
+}
+
+public class TestsTrans2DI {
+    [SetUp]
+    public void Setup() {
+    }
+
+    [Test]
+    public void Test1() {
+        Assert.Pass();
+    }
+
+    [Test]
+    public void TestVector2I_Constructors() {
+        // Arrange & Act
+        var v1 = new Vector2I();
+        var v2 = new Vector2I(1, 2);
+        var v3 = new Vector2I(v2);
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(v1.X, Is.EqualTo(0));
+            Assert.That(v1.Y, Is.EqualTo(0));
+            Assert.That(v2.X, Is.EqualTo(1));
+            Assert.That(v2.Y, Is.EqualTo(2));
+            Assert.That(v3.X, Is.EqualTo(1));
+            Assert.That(v3.Y, Is.EqualTo(2));
+        });
+    }
+
+    [Test]
+    public void TestVector2I_Operators() {
+        // Arrange
+        var v1 = new Vector2I(1, 2);
+        var v2 = new Vector2I(3, 4);
+
+        // Act
+        var v3 = v1 + v2;
+        var v4 = v1 - v2;
+        var v5 = v1 * v2;
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(v3, Is.EqualTo(new Vector2I(4, 6)));
+            Assert.That(v4, Is.EqualTo(new Vector2I(-2, -2)));
+            Assert.That(v5, Is.EqualTo(new Vector2I(3, 8)));
+        });
+    }
+
+    [Test]
+    public void TestTrans2DI_Constructors() {
+        // Arrange & Act
+        var t1 = new Trans2DI();
+        var t2 = new Trans2DI(new Vector2I(1, 0), new Vector2I(0, 1), new Vector2I(0, 0));
+        var t3 = new Trans2DI(t2);
+        var t4 = new Trans2DI(1, 0, 0, 1, 0, 0);
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(t1.XAxis, Is.EqualTo(new Vector2I(1, 0)));
+            Assert.That(t1.YAxis, Is.EqualTo(new Vector2I(0, 1)));
+            Assert.That(t1.Origin, Is.EqualTo(new Vector2I(0, 0)));
+
+            Assert.That(t2.XAxis, Is.EqualTo(new Vector2I(1, 0)));
+            Assert.That(t2.YAxis, Is.EqualTo(new Vector2I(0, 1)));
+            Assert.That(t2.Origin, Is.EqualTo(new Vector2I(0, 0)));
+
+            Assert.That(t3.XAxis, Is.EqualTo(new Vector2I(1, 0)));
+            Assert.That(t3.YAxis, Is.EqualTo(new Vector2I(0, 1)));
+            Assert.That(t3.Origin, Is.EqualTo(new Vector2I(0, 0)));
+
+            Assert.That(t4.XAxis, Is.EqualTo(new Vector2I(1, 0)));
+            Assert.That(t4.YAxis, Is.EqualTo(new Vector2I(0, 1)));
+            Assert.That(t4.Origin, Is.EqualTo(new Vector2I(0, 0)));
+        });
+    }
+
+    [Test]
+    public void TestTrans2DI_Operators() {
+        // Arrange
+        var t1 = new Trans2DI(new Vector2I(1, 0), new Vector2I(0, 1), new Vector2I(1, 2));
+        var v1 = new Vector2I(3, 4);
+
+        // Act
+        var v2 = t1 * v1;
+        var v3 = v1 * t1;
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(v2, Is.EqualTo(new Vector2I(4, 6)));
+            Assert.That(v3, Is.EqualTo(new Vector2I(2, 2)));
+        });
+    }
+
+    [Test]
+    public void TestTrans2DI_BoundaryValues() {
+        // Arrange
+        var t1 = new Trans2DI(new Vector2I(int.MaxValue, 0), new Vector2I(0, int.MaxValue), new Vector2I(0, 0));
+        var t2 = new Trans2DI(new Vector2I(int.MinValue, 0), new Vector2I(0, int.MinValue), new Vector2I(0, 0));
+        var v1 = new Vector2I(1, 1);
+
+        // Act
+        var v2 = t1 * v1;
+        var v3 = t2 * v1;
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(v2, Is.EqualTo(new Vector2I(int.MaxValue, int.MaxValue)));
+            Assert.That(v3, Is.EqualTo(new Vector2I(int.MinValue, int.MinValue)));
+        });
+    }
+
+    [Test]
+    public void TestTrans2DI_SpecialValues() {
+        // Arrange
+        var t1 = new Trans2DI(new Vector2I(0, 0), new Vector2I(0, 0), new Vector2I(0, 0));
+        var t2 = new Trans2DI(new Vector2I(1, 0), new Vector2I(0, 1), new Vector2I(0, 0));
+        var v1 = new Vector2I(1, 1);
+
+        // Act
+        var v2 = t1 * v1;
+        var v3 = t2 * v1;
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(v2, Is.EqualTo(new Vector2I(0, 0)));
+            Assert.That(v3, Is.EqualTo(new Vector2I(1, 1)));
+        });
+    }
+
+    [Test]
+    public void TestTrans2DI_Multiplication() {
+        // Arrange
+        var t1 = new Trans2DI(new Vector2I(1, 0), new Vector2I(0, 1), new Vector2I(1, 2));
+        var t2 = new Trans2DI(new Vector2I(2, 0), new Vector2I(0, 2), new Vector2I(3, 4));
+
+        // Act
+        var t3 = t1 * t2;
+
+        Assert.Multiple(() => {
+            // Assert
+            Assert.That(t3.XAxis, Is.EqualTo(new Vector2I(2, 0)));
+            Assert.That(t3.YAxis, Is.EqualTo(new Vector2I(0, 2)));
+            Assert.That(t3.Origin, Is.EqualTo(new Vector2I(5, 8)));
+        });
+    }
+}

icon.svg

@@ -0,0 +1 @@
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project.godot

@@ -0,0 +1,44 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+config/name="ChessGame"
+config/version="0.0.6"
+run/main_scene="res://Main.tscn"
+config/features=PackedStringArray("4.4", "C#", "Mobile")
+
+[autoload]
+
+GlobalManager="*res://Scripts/GlobalManager.cs"
+
+[display]
+
+window/size/viewport_width=720
+window/size/viewport_height=1280
+window/stretch/mode="viewport"
+window/handheld/orientation=1
+
+[dotnet]
+
+project/assembly_name="ChessGame"
+
+[internationalization]
+
+locale/translations=PackedStringArray("res://Lang/godot_chessgame/content/zh_Hans.po", "res://Lang/godot_chessgame/content/en_devel.po")
+
+[navigation]
+
+2d/name_localized={}
+2d/version="0.0."
+
+[rendering]
+
+textures/vram_compression/import_etc2_astc=true