Traveller/scripts/loader/uiLoader/LevelGraphEditorLoader.cs
2024-05-16 22:46:03 +08:00

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using System.Collections.Generic;
using System.IO;
using ColdMint.scripts.levelGraphEditor;
using ColdMint.scripts.serialization;
using ColdMint.scripts.utils;
using Godot;
using Godot.Collections;
using FileAccess = Godot.FileAccess;
namespace ColdMint.scripts.loader.uiLoader;
/// <summary>
/// <para>Level graph editor</para>
/// <para>关卡图编辑器</para>
/// </summary>
public partial class LevelGraphEditorLoader : UiLoaderTemplate
{
private GraphEdit? _graphEdit;
/// <summary>
/// <para>Button to display the room creation panel.</para>
/// <para>用于展示房间创建面板的按钮。</para>
/// </summary>
private Button? _showCreateRoomPanelButton;
private PackedScene? _roomNodeScene;
private Panel? _createOrEditorPanel;
private Button? _hideCreateRoomPanelButton;
private LineEdit? _roomNameLineEdit;
private LineEdit? _roomDescriptionLineEdit;
private Button? _createRoomButton;
private Button? _returnButton;
private string? _defaultRoomName;
/// <summary>
/// <para>Index of the room</para>
/// <para>房间的索引</para>
/// </summary>
private int _roomIndex = 1;
private TextEdit? _roomTemplateCollectionTextEdit;
private Label? _roomTemplateTipsLabel;
private Button? _showSavePanelButton;
private Button? _openExportFolderButton;
private HBoxContainer? _hBoxContainer;
private Panel? _saveOrLoadPanel;
private Button? _cancelButton;
private Button? _actionButton;
private Label? _saveOrLoadPanelTitleLabel;
private LineEdit? _fileNameLineEdit;
private Button? _showLoadPanelButton;
/// <summary>
/// <para>Offset to append when a new node is created.</para>
/// <para>创建新节点时追加的偏移量。</para>
/// </summary>
private Vector2 _positionOffset = new Vector2(100, 100);
/// <summary>
/// <para>Is the press event of an active button saved?</para>
/// <para>活动按钮的按下事件是否为保存?</para>
/// </summary>
private bool _saveMode;
public override void InitializeData()
{
base.InitializeData();
_roomNodeScene = (PackedScene)GD.Load("res://prefab/ui/RoomNode.tscn");
_defaultRoomName = TranslationServer.Translate("default_room_name");
var folder = Config.GetLevelGraphExportDirectory();
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
}
public override void InitializeUi()
{
base.InitializeUi();
_roomTemplateTipsLabel = GetNode<Label>("CreateOrEditorPanel/RoomTemplateTipsLabel");
if (_roomTemplateTipsLabel != null)
{
_roomTemplateTipsLabel.Text = string.Empty;
}
_openExportFolderButton = GetNode<Button>("HBoxContainer/OpenExportFolderButton");
if (_openExportFolderButton != null)
{
//If open directories are supported, a button is displayed.
//若支持打开目录,那么显示按钮。
_openExportFolderButton.Visible = ExplorerUtils.SupportOpenDirectory();
}
_showLoadPanelButton = GetNode<Button>("HBoxContainer/ShowLoadPanelButton");
_saveOrLoadPanelTitleLabel = GetNode<Label>("SaveOrLoadPanel/SaveOrLoadPanelTitleLabel");
_saveOrLoadPanel = GetNode<Panel>("SaveOrLoadPanel");
_fileNameLineEdit = GetNode<LineEdit>("SaveOrLoadPanel/FileNameLineEdit");
_actionButton = GetNode<Button>("SaveOrLoadPanel/HBoxContainer/ActionButton");
_cancelButton = GetNode<Button>("SaveOrLoadPanel/HBoxContainer/CancelButton");
_hBoxContainer = GetNode<HBoxContainer>("HBoxContainer");
_showSavePanelButton = GetNode<Button>("HBoxContainer/ShowSavePanelButton");
_roomTemplateCollectionTextEdit = GetNode<TextEdit>("CreateOrEditorPanel/RoomTemplateCollectionTextEdit");
_graphEdit = GetNode<GraphEdit>("GraphEdit");
_showCreateRoomPanelButton = GetNode<Button>("HBoxContainer/ShowCreateRoomPanelButton");
_returnButton = GetNode<Button>("HBoxContainer/ReturnButton");
_createOrEditorPanel = GetNode<Panel>("CreateOrEditorPanel");
_hideCreateRoomPanelButton = GetNode<Button>("CreateOrEditorPanel/HideCreateRoomPanelButton");
_roomNameLineEdit = GetNode<LineEdit>("CreateOrEditorPanel/RoomNameLineEdit");
_roomDescriptionLineEdit = GetNode<LineEdit>("CreateOrEditorPanel/RoomDescriptionLineEdit");
_createRoomButton = GetNode<Button>("CreateOrEditorPanel/CreateRoomButton");
}
/// <summary>
/// <para>Creating room node</para>
/// <para>创建房间节点</para>
/// </summary>
/// <param name="roomNodeData"></param>
/// <returns></returns>
private RoomNode? CreateRoomNode(RoomNodeData roomNodeData)
{
if (_roomNodeScene == null || _graphEdit == null)
{
return null;
}
var node = _roomNodeScene.Instantiate();
if (node == null)
{
return null;
}
_graphEdit?.AddChild(node);
if (node is not RoomNode roomNode)
{
return null;
}
roomNode.RoomNodeData = roomNodeData;
roomNode.PositionOffset = _positionOffset * _roomIndex;
_roomIndex++;
return roomNode;
}
public override void LoadUiActions()
{
base.LoadUiActions();
if (_roomTemplateCollectionTextEdit != null)
{
_roomTemplateCollectionTextEdit.TextChanged += () =>
{
if (_roomTemplateTipsLabel == null)
{
return;
}
var text = _roomTemplateCollectionTextEdit.Text;
if (string.IsNullOrEmpty(text))
{
_roomTemplateTipsLabel.Text = string.Empty;
return;
}
var lastLine = StrUtils.GetLastLine(text);
if (string.IsNullOrEmpty(lastLine))
{
_roomTemplateTipsLabel.Text = string.Empty;
return;
}
//Parse the last line
//解析最后一行
if (lastLine.Length > 0)
{
if (!lastLine.StartsWith("res://"))
{
var lineError = TranslationServer.Translate("line_errors_must_start_with_res");
if (lineError == null)
{
return;
}
_roomTemplateTipsLabel.Text = string.Format(lineError, lastLine);
return;
}
var exists = FileAccess.FileExists(lastLine);
if (!exists)
{
var lineError = TranslationServer.Translate("error_specifying_room_template_line");
if (lineError == null)
{
return;
}
_roomTemplateTipsLabel.Text = string.Format(lineError, lastLine);
return;
}
_roomTemplateTipsLabel.Text = string.Empty;
}
};
}
if (_graphEdit != null)
{
_graphEdit.ConnectionRequest += (fromNode, fromPort, toNode, toPort) =>
{
_graphEdit.ConnectNode(fromNode, (int)fromPort, toNode, (int)toPort);
};
_graphEdit.DisconnectionRequest += (fromNode, fromPort, toNode, toPort) =>
{
_graphEdit.DisconnectNode(fromNode, (int)fromPort, toNode, (int)toPort);
};
}
if (_openExportFolderButton != null)
{
_openExportFolderButton.Pressed += () =>
{
ExplorerUtils.OpenFolder(Config.GetLevelGraphExportDirectory());
};
}
if (_showCreateRoomPanelButton != null)
{
_showCreateRoomPanelButton.Pressed += () =>
{
if (_graphEdit != null)
{
_graphEdit.Visible = false;
}
if (_createOrEditorPanel != null)
{
_createOrEditorPanel.Visible = true;
}
if (_roomNameLineEdit != null && _defaultRoomName != null)
{
_roomNameLineEdit.Text = string.Format(_defaultRoomName, _roomIndex);
}
if (_hBoxContainer != null)
{
_hBoxContainer.Visible = false;
}
_showCreateRoomPanelButton.Visible = false;
};
}
if (_returnButton != null)
{
_returnButton.Pressed += () =>
{
GetTree().ChangeSceneToPacked((PackedScene)GD.Load("res://scenes/mainMenu.tscn"));
};
}
if (_hideCreateRoomPanelButton != null)
{
_hideCreateRoomPanelButton.Pressed += HideCreateRoomPanel;
}
if (_createRoomButton != null)
{
_createRoomButton.Pressed += () =>
{
if (_roomNameLineEdit == null || _roomDescriptionLineEdit == null)
{
return;
}
var roomNodeData = new RoomNodeData
{
Id = GuidUtils.GetGuid(),
Title = _roomNameLineEdit.Text,
Description = _roomDescriptionLineEdit.Text
};
var roomNode = CreateRoomNode(roomNodeData);
if (roomNode != null)
{
HideCreateRoomPanel();
}
};
}
if (_cancelButton != null)
{
_cancelButton.Pressed += () =>
{
if (_saveOrLoadPanel != null)
{
_saveOrLoadPanel.Visible = false;
}
};
}
if (_actionButton != null)
{
_actionButton.Pressed += () =>
{
if (_saveOrLoadPanel != null)
{
_saveOrLoadPanel.Visible = false;
}
};
}
if (_showLoadPanelButton != null)
{
_showLoadPanelButton.Pressed += () =>
{
if (_saveOrLoadPanel != null)
{
_saveOrLoadPanel.Visible = true;
}
if (_actionButton != null)
{
_actionButton.Text = TranslationServer.Translate("load");
}
if (_fileNameLineEdit != null)
{
_fileNameLineEdit.Text = string.Empty;
}
if (_saveOrLoadPanelTitleLabel != null)
{
_saveOrLoadPanelTitleLabel.Text = TranslationServer.Translate("load");
}
_saveMode = false;
};
}
if (_showSavePanelButton != null)
{
_showSavePanelButton.Pressed += () =>
{
if (_saveOrLoadPanel != null)
{
_saveOrLoadPanel.Visible = true;
}
if (_actionButton != null)
{
_actionButton.Text = TranslationServer.Translate("save");
}
if (_fileNameLineEdit != null)
{
_fileNameLineEdit.Text = string.Empty;
}
if (_saveOrLoadPanelTitleLabel != null)
{
_saveOrLoadPanelTitleLabel.Text = TranslationServer.Translate("save");
}
_saveMode = true;
};
}
if (_actionButton != null)
{
_actionButton.Pressed += () =>
{
if (_fileNameLineEdit == null)
{
return;
}
var fileName = _fileNameLineEdit.Text;
if (string.IsNullOrEmpty(fileName))
{
return;
}
if (_saveMode)
{
SaveFile(fileName);
}
else
{
LoadFile(fileName);
}
};
}
}
/// <summary>
/// <para>save file</para>
/// <para>保存文件</para>
/// </summary>
/// <param name="fileName">
///<para>filename</para>
///<para>文件名</para>
/// </param>
private async void SaveFile(string fileName)
{
if (_graphEdit == null)
{
return;
}
var levelGraphEditorSaveData = new LevelGraphEditorSaveData();
//Serialize room node information
//序列化房间节点信息
var length = _graphEdit.GetChildCount();
if (length <= 0)
{
//no room
//没有房间
return;
}
var roomNodeDataList = new List<RoomNodeData>();
levelGraphEditorSaveData.RoomNodeDataList = roomNodeDataList;
for (var i = 0; i < length; i++)
{
var node = _graphEdit.GetChild(i);
if (node is not RoomNode roomNode) continue;
var data = roomNode.RoomNodeData;
if (data == null)
{
continue;
}
roomNodeDataList.Add(data);
}
//Serialized connection information
//序列化连接信息
Array<Dictionary> connectionList = _graphEdit.GetConnectionList();
var connectionDataList = new List<ConnectionData>();
levelGraphEditorSaveData.ConnectionDataList = connectionDataList;
if (connectionList.Count > 0)
{
foreach (var dictionary in connectionList)
{
if (dictionary == null)
{
continue;
}
var keys = dictionary.Keys;
if (keys.Count == 0)
{
continue;
}
var connectionData = new ConnectionData();
foreach (var variant in keys)
{
var typeStr = variant.ToString();
switch (typeStr)
{
case "from_node":
var fromRoomNodeData = GetRoomNodeData(dictionary[variant].AsString());
if (fromRoomNodeData == null)
{
continue;
}
connectionData.FromId = fromRoomNodeData.Id;
break;
case "from_port":
connectionData.FromPort = dictionary[variant].AsInt32();
break;
case "to_node":
var toRoomNodeData = GetRoomNodeData(dictionary[variant].AsString());
if (toRoomNodeData == null)
{
continue;
}
connectionData.ToId = toRoomNodeData.Id;
break;
case "to_port":
connectionData.ToPort = dictionary[variant].AsInt32();
break;
}
}
connectionDataList.Add(connectionData);
}
}
var filePath = Path.Join(Config.GetLevelGraphExportDirectory(), FileNameToActualName(fileName));
await File.WriteAllTextAsync(filePath, JsonSerialization.Serialize(levelGraphEditorSaveData));
}
/// <summary>
/// <para>Filename to real name</para>
/// <para>文件名到真实名称</para>
/// </summary>
/// <param name="fileName">
///<para>If the filename does not have a file format, add the file format.</para>
///<para>若文件名没有文件格式,那么加上文件格式。</para>
/// </param>
/// <returns></returns>
private string FileNameToActualName(string fileName)
{
string actualName;
if (fileName.EndsWith(".json"))
{
actualName = fileName;
}
else
{
actualName = fileName + ".json";
}
return actualName;
}
private async void LoadFile(string fileName)
{
if (_graphEdit == null)
{
return;
}
var filePath = Path.Join(Config.GetLevelGraphExportDirectory(), FileNameToActualName(fileName));
if (!File.Exists(filePath))
{
//file does not exist
//文件不存在。
return;
}
var levelGraphEditorSaveData =
await JsonSerialization.ReadJsonFileToObj<LevelGraphEditorSaveData>(filePath);
if (levelGraphEditorSaveData == null)
{
//Deserialization failed.
//反序列化失败。
return;
}
//Do not call DeleteAllChildAsync; this will raise "ERROR: Caller thread can't call this function in this node."
//不要调用DeleteAllChildAsync方法这会引发“ERROR: Caller thread can't call this function in this node”。
NodeUtils.DeleteAllChild(_graphEdit);
_roomIndex = 1;
var roomNodeDataList = levelGraphEditorSaveData.RoomNodeDataList;
if (roomNodeDataList != null)
{
foreach (var roomNodeData in roomNodeDataList)
{
if (string.IsNullOrEmpty(roomNodeData.Id))
{
continue;
}
//Instantiate the room node.
//实例化房间节点。
var roomNode = CreateRoomNode(roomNodeData);
if (roomNode != null)
{
roomNode.Name = roomNodeData.Id;
}
}
}
var connectionDataList = levelGraphEditorSaveData.ConnectionDataList;
if (connectionDataList != null)
{
foreach (var connectionData in connectionDataList)
{
if (string.IsNullOrEmpty(connectionData.FromId))
{
continue;
}
if (string.IsNullOrEmpty(connectionData.ToId))
{
continue;
}
//Connecting rooms
//连接房间
_graphEdit.ConnectNode(connectionData.FromId, connectionData.FromPort, connectionData.ToId,
connectionData.ToPort);
}
}
}
/// <summary>
/// <para>Get node data by name</para>
/// <para>根据名称获取节点数据</para>
/// </summary>
/// <param name="name">
///<para>name</para>
///<para>名称</para>
/// </param>
/// <returns></returns>
private RoomNodeData? GetRoomNodeData(string name)
{
if (_graphEdit == null)
{
return null;
}
var roomNode = _graphEdit.GetNodeOrNull<RoomNode>(name);
if (roomNode == null)
{
return null;
}
return roomNode.RoomNodeData;
}
/// <summary>
/// <para>Hide the Create Room panel</para>
/// <para>隐藏创建房间面板</para>
/// </summary>
private void HideCreateRoomPanel()
{
if (_graphEdit != null)
{
_graphEdit.Visible = true;
}
if (_createOrEditorPanel != null)
{
_createOrEditorPanel.Visible = false;
}
if (_hBoxContainer != null)
{
_hBoxContainer.Visible = true;
}
if (_showCreateRoomPanelButton != null)
{
_showCreateRoomPanelButton.Visible = true;
}
}
}