95 lines
3.2 KiB
C#
95 lines
3.2 KiB
C#
using System.Text.Json;
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using CSharpLdtkImporter.Models;
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using Godot;
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using Godot.Collections;
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namespace CSharpLdtkImporter;
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[Tool]
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public partial class LdtkResourceImporter : EditorImportPlugin
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{
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public override string _GetImporterName() => "ldtk.importer";
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public override string _GetVisibleName() => "LDtk Level Importer";
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public override string[] _GetRecognizedExtensions() => new string[] { "ldtk" };
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public override string _GetResourceType() => "PackedScene";
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public override string _GetSaveExtension() => "tscn";
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public override int _GetPresetCount() => 0;
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public override float _GetPriority() => 1.0f;
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public override Error _Import(string sourceFile, string savePath, Godot.Collections.Dictionary options, Godot.Collections.Array<string> platformVariants, Godot.Collections.Array<string> genFiles)
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{
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// 1. Read the .ldtk file content
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using var file = FileAccess.Open(sourceFile, FileAccess.ModeFlags.Read);
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if (file == null)
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{
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GD.PushError($"Failed to open LDTK file: {sourceFile}");
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return Error.CantOpen;
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}
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string jsonContent = file.GetAsText();
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// 2. Deserialize the JSON into our C# data models
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LdtkData ldtkData;
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try
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{
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ldtkData = JsonSerializer.Deserialize<LdtkData>(jsonContent);
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}
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catch (JsonException e)
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{
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GD.PushError($"Failed to parse LDTK JSON: {e.Message}");
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return Error.ParseError;
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}
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if (ldtkData == null)
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{
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GD.PushError("Parsed LDTK data is null.");
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return Error.Failed;
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}
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// 3. Use the Scene Builder to generate the Godot scene
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var builder = new LdtkSceneBuilder(ldtkData, sourceFile);
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var rootNode = builder.BuildLdtkProjectRoot();
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var scene = new PackedScene();
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scene.Pack(rootNode);
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var newSceneNodeCount = scene.GetState().GetNodeCount();
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GD.Print($"New scene node count: {newSceneNodeCount}, expected: {rootNode.GetChildCount() + 1} (including root)");
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// 4. Save the generated scene
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var destinationPath = $"{savePath}.{_GetSaveExtension()}";
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var error = ResourceSaver.Save(scene, destinationPath);
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if (error != Error.Ok)
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{
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GD.PushError($"Failed to save generated scene to {destinationPath}");
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}
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return error;
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}
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public override Array<Dictionary> _GetImportOptions(string path, int presetIndex)
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{
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var options = new Array<Dictionary>()
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{
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new()
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{
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{ "name", "import_entities" },
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{ "default_value", true },
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{ "usage", (int)(PropertyUsageFlags.Default | PropertyUsageFlags.UpdateAllIfModified) }
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},
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new()
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{
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{ "name", "import_tilemaps" },
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{ "default_value", true },
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{ "usage", (int)(PropertyUsageFlags.Default | PropertyUsageFlags.UpdateAllIfModified) }
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}
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};
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return options;
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}
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public override bool _GetOptionVisibility(string path, StringName optionName, Dictionary options)
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{
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return true;
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}
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} |