Monogame-Extended/source/MonoGame.Extended/Tilemaps/LDtk/LDtkJsonContent.cs

using System.Collections.Generic;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace MonoGame.Extended.Tilemaps.LDtk;

// JSON deserialization models for LDtk JSON files
// These classes are public to support JSON serialization, but represent internal parsing structures

#region Project

/// <summary>
/// Represents the root of an LDtk project JSON file.
/// </summary>
public class LDtkProject
{
    /// <summary>
    /// Gets or sets the unique project instance identifier.
    /// </summary>
    [JsonPropertyName("iid")]
    public string Iid { get; set; }

    /// <summary>
    /// Gets or sets the LDtk JSON format version.
    /// </summary>
    [JsonPropertyName("jsonVersion")]
    public string JsonVersion { get; set; }

    /// <summary>
    /// Gets or sets the LDtk application build identifier.
    /// </summary>
    [JsonPropertyName("appBuildId")]
    public int AppBuildId { get; set; }

    [JsonPropertyName("nextUid")]
    public int NextUid { get; set; }

    [JsonPropertyName("identifierStyle")]
    public string IdentifierStyle { get; set; }

    /// <summary>
    /// Gets or sets the world layout mode (Free, GridVania, LinearHorizontal, LinearVertical).
    /// </summary>
    [JsonPropertyName("worldLayout")]
    public string WorldLayout { get; set; }

    [JsonPropertyName("worldGridWidth")]
    public int? WorldGridWidth { get; set; }

    [JsonPropertyName("worldGridHeight")]
    public int? WorldGridHeight { get; set; }

    [JsonPropertyName("defaultLevelWidth")]
    public int? DefaultLevelWidth { get; set; }

    [JsonPropertyName("defaultLevelHeight")]
    public int? DefaultLevelHeight { get; set; }

    /// <summary>
    /// Gets or sets the default grid size for layers.
    /// </summary>
    [JsonPropertyName("defaultGridSize")]
    public int DefaultGridSize { get; set; }

    [JsonPropertyName("defaultPivotX")]
    public float DefaultPivotX { get; set; }

    [JsonPropertyName("defaultPivotY")]
    public float DefaultPivotY { get; set; }

    /// <summary>
    /// Gets or sets the project background color in #RRGGBB format.
    /// </summary>
    [JsonPropertyName("bgColor")]
    public string BgColor { get; set; }

    [JsonPropertyName("defaultLevelBgColor")]
    public string DefaultLevelBgColor { get; set; }

    [JsonPropertyName("externalLevels")]
    public bool ExternalLevels { get; set; }

    /// <summary>
    /// Gets or sets the collection of levels in this project.
    /// </summary>
    [JsonPropertyName("levels")]
    public List<LDtkLevel> Levels { get; set; } = new List<LDtkLevel>();

    /// <summary>
    /// Gets or sets the project definitions (layers, entities, tilesets, enums).
    /// </summary>
    [JsonPropertyName("defs")]
    public LDtkDefinitions Defs { get; set; }

    [JsonPropertyName("worlds")]
    public List<LDtkWorld> Worlds { get; set; } = new List<LDtkWorld>();

    [JsonPropertyName("dummyWorldIid")]
    public string DummyWorldIid { get; set; }

    /// <summary>
    /// Gets or sets the table of contents listing all entity instances with exportToToc enabled.
    /// </summary>
    [JsonPropertyName("toc")]
    public List<LDtkTableOfContentEntry> Toc { get; set; } = new List<LDtkTableOfContentEntry>();
}

/// <summary>
/// Represents a table of contents entry for an entity type in LDtk.
/// </summary>
public class LDtkTableOfContentEntry
{
    /// <summary>
    /// Gets or sets the entity identifier.
    /// </summary>
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the collection of entity instance data.
    /// </summary>
    [JsonPropertyName("instancesData")]
    public List<LDtkTocInstanceData> InstancesData { get; set; } = new List<LDtkTocInstanceData>();
}

/// <summary>
/// Represents instance data for a table of contents entry in LDtk.
/// </summary>
public class LDtkTocInstanceData
{
    /// <summary>
    /// Gets or sets the IID information for this instance.
    /// </summary>
    [JsonPropertyName("iids")]
    public LDtkEntityReferenceInfos Iids { get; set; }

    /// <summary>
    /// Gets or sets the world X coordinate in pixels.
    /// </summary>
    [JsonPropertyName("worldX")]
    public int WorldX { get; set; }

    /// <summary>
    /// Gets or sets the world Y coordinate in pixels.
    /// </summary>
    [JsonPropertyName("worldY")]
    public int WorldY { get; set; }

    /// <summary>
    /// Gets or sets the width in pixels.
    /// </summary>
    [JsonPropertyName("widPx")]
    public int WidPx { get; set; }

    /// <summary>
    /// Gets or sets the height in pixels.
    /// </summary>
    [JsonPropertyName("heiPx")]
    public int HeiPx { get; set; }

    /// <summary>
    /// Gets or sets the entity custom field values (exportToToc fields only).
    /// </summary>
    [JsonPropertyName("fields")]
    public JsonElement? Fields { get; set; }
}

/// <summary>
/// Represents all definitions in an LDtk project.
/// </summary>
public class LDtkDefinitions
{
    /// <summary>
    /// Gets or sets the collection of layer definitions.
    /// </summary>
    [JsonPropertyName("layers")]
    public List<LDtkLayerDefinition> Layers { get; set; } = new List<LDtkLayerDefinition>();

    /// <summary>
    /// Gets or sets the collection of entity definitions.
    /// </summary>
    [JsonPropertyName("entities")]
    public List<LDtkEntityDefinition> Entities { get; set; } = new List<LDtkEntityDefinition>();

    /// <summary>
    /// Gets or sets the collection of tileset definitions.
    /// </summary>
    [JsonPropertyName("tilesets")]
    public List<LDtkTilesetDefinition> Tilesets { get; set; } = new List<LDtkTilesetDefinition>();

    /// <summary>
    /// Gets or sets the collection of enum definitions.
    /// </summary>
    [JsonPropertyName("enums")]
    public List<LDtkEnumDefinition> Enums { get; set; } = new List<LDtkEnumDefinition>();

    [JsonPropertyName("externalEnums")]
    public List<LDtkEnumDefinition> ExternalEnums { get; set; } = new List<LDtkEnumDefinition>();

    [JsonPropertyName("levelFields")]
    public List<LDtkFieldDefinition> LevelFields { get; set; } = new List<LDtkFieldDefinition>();
}

/// <summary>
/// Represents a world in an LDtk project (multi-worlds support).
/// </summary>
public class LDtkWorld
{
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("iid")]
    public string Iid { get; set; }

    [JsonPropertyName("levels")]
    public List<LDtkLevel> Levels { get; set; } = new List<LDtkLevel>();

    [JsonPropertyName("worldGridWidth")]
    public int WorldGridWidth { get; set; }

    [JsonPropertyName("worldGridHeight")]
    public int WorldGridHeight { get; set; }

    [JsonPropertyName("worldLayout")]
    public string WorldLayout { get; set; }

    [JsonPropertyName("defaultLevelWidth")]
    public int DefaultLevelWidth { get; set; }

    [JsonPropertyName("defaultLevelHeight")]
    public int DefaultLevelHeight { get; set; }
}

#endregion

#region Level

/// <summary>
/// Represents a level in an LDtk project.
/// </summary>
public class LDtkLevel
{
    /// <summary>
    /// Gets or sets the level identifier.
    /// </summary>
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the unique level instance identifier.
    /// </summary>
    [JsonPropertyName("iid")]
    public string Iid { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    /// <summary>
    /// Gets or sets the world X coordinate in pixels.
    /// </summary>
    [JsonPropertyName("worldX")]
    public int WorldX { get; set; }

    /// <summary>
    /// Gets or sets the world Y coordinate in pixels.
    /// </summary>
    [JsonPropertyName("worldY")]
    public int WorldY { get; set; }

    [JsonPropertyName("worldDepth")]
    public int WorldDepth { get; set; }

    /// <summary>
    /// Gets or sets the level width in pixels.
    /// </summary>
    [JsonPropertyName("pxWid")]
    public int PxWid { get; set; }

    /// <summary>
    /// Gets or sets the level height in pixels.
    /// </summary>
    [JsonPropertyName("pxHei")]
    public int PxHei { get; set; }

    /// <summary>
    /// Gets or sets the level background color in #RRGGBB format.
    /// </summary>
    [JsonPropertyName("__bgColor")]
    public string BgColor { get; set; }

    [JsonPropertyName("bgColor")]
    public string BgColorOverride { get; set; }

    [JsonPropertyName("bgRelPath")]
    public string BgRelPath { get; set; }

    [JsonPropertyName("bgPos")]
    public string BgPos { get; set; }

    [JsonPropertyName("bgPivotX")]
    public float BgPivotX { get; set; }

    [JsonPropertyName("bgPivotY")]
    public float BgPivotY { get; set; }

    [JsonPropertyName("externalRelPath")]
    public string ExternalRelPath { get; set; }

    /// <summary>
    /// Gets or sets the custom field instances for this level.
    /// </summary>
    [JsonPropertyName("fieldInstances")]
    public List<LDtkFieldInstance> FieldInstances { get; set; } = new List<LDtkFieldInstance>();

    /// <summary>
    /// Gets or sets the collection of layer instances in this level.
    /// </summary>
    [JsonPropertyName("layerInstances")]
    public List<LDtkLayerInstance> LayerInstances { get; set; }

    /// <summary>
    /// Gets or sets the collection of neighbor levels touching this one.
    /// </summary>
    [JsonPropertyName("__neighbours")]
    public List<LDtkNeighbourLevel> Neighbours { get; set; } = new List<LDtkNeighbourLevel>();
}

/// <summary>
/// Represents a neighbor level in LDtk.
/// </summary>
public class LDtkNeighbourLevel
{
    /// <summary>
    /// Gets or sets the direction to the neighbor (n, s, e, w, ne, nw, se, sw, &lt;, &gt;, o).
    /// </summary>
    [JsonPropertyName("dir")]
    public string Dir { get; set; }

    /// <summary>
    /// Gets or sets the neighbor level's instance identifier.
    /// </summary>
    [JsonPropertyName("levelIid")]
    public string LevelIid { get; set; }

    /// <summary>
    /// Gets or sets the neighbor level's UID (deprecated, use levelIid).
    /// </summary>
    [JsonPropertyName("levelUid")]
    public int? LevelUid { get; set; }
}

#endregion

#region Layer

/// <summary>
/// Represents a layer definition in LDtk.
/// </summary>
public class LDtkLayerDefinition
{
    /// <summary>
    /// Gets or sets the layer type (IntGrid, Entities, Tiles, AutoLayer).
    /// </summary>
    [JsonPropertyName("__type")]
    public string Type { get; set; }

    /// <summary>
    /// Gets or sets the layer identifier.
    /// </summary>
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("type")]
    public string TypeEnum { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    /// <summary>
    /// Gets or sets the grid size for this layer in pixels.
    /// </summary>
    [JsonPropertyName("gridSize")]
    public int GridSize { get; set; }

    [JsonPropertyName("displayOpacity")]
    public float DisplayOpacity { get; set; }

    [JsonPropertyName("pxOffsetX")]
    public int PxOffsetX { get; set; }

    [JsonPropertyName("pxOffsetY")]
    public int PxOffsetY { get; set; }

    [JsonPropertyName("parallaxFactorX")]
    public float ParallaxFactorX { get; set; }

    [JsonPropertyName("parallaxFactorY")]
    public float ParallaxFactorY { get; set; }

    /// <summary>
    /// Gets or sets the tileset definition UID for this layer (null if not a tile layer).
    /// </summary>
    [JsonPropertyName("tilesetDefUid")]
    public int? TilesetDefUid { get; set; }

    [JsonPropertyName("autoSourceLayerDefUid")]
    public int? AutoSourceLayerDefUid { get; set; }

    /// <summary>
    /// Gets or sets the IntGrid value definitions for IntGrid layers.
    /// </summary>
    [JsonPropertyName("intGridValues")]
    public List<LDtkIntGridValueDefinition> IntGridValues { get; set; } = new List<LDtkIntGridValueDefinition>();

    [JsonPropertyName("autoRuleGroups")]
    public List<LDtkAutoLayerRuleGroup> AutoRuleGroups { get; set; } = new List<LDtkAutoLayerRuleGroup>();
}

/// <summary>
/// Represents a layer instance in an LDtk level.
/// </summary>
public class LDtkLayerInstance
{
    /// <summary>
    /// Gets or sets the layer identifier.
    /// </summary>
    [JsonPropertyName("__identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the layer type (IntGrid, Entities, Tiles, AutoLayer).
    /// </summary>
    [JsonPropertyName("__type")]
    public string Type { get; set; }

    /// <summary>
    /// Gets or sets the layer width in grid cells.
    /// </summary>
    [JsonPropertyName("__cWid")]
    public int CWid { get; set; }

    /// <summary>
    /// Gets or sets the layer height in grid cells.
    /// </summary>
    [JsonPropertyName("__cHei")]
    public int CHei { get; set; }

    /// <summary>
    /// Gets or sets the grid size in pixels.
    /// </summary>
    [JsonPropertyName("__gridSize")]
    public int GridSize { get; set; }

    /// <summary>
    /// Gets or sets the layer opacity (0.0 to 1.0).
    /// </summary>
    [JsonPropertyName("__opacity")]
    public float Opacity { get; set; }

    [JsonPropertyName("__pxTotalOffsetX")]
    public int PxTotalOffsetX { get; set; }

    [JsonPropertyName("__pxTotalOffsetY")]
    public int PxTotalOffsetY { get; set; }

    /// <summary>
    /// Gets or sets the tileset definition UID for this layer instance.
    /// </summary>
    [JsonPropertyName("__tilesetDefUid")]
    public int? TilesetDefUid { get; set; }

    [JsonPropertyName("__tilesetRelPath")]
    public string TilesetRelPath { get; set; }

    [JsonPropertyName("iid")]
    public string Iid { get; set; }

    [JsonPropertyName("levelId")]
    public int LevelId { get; set; }

    [JsonPropertyName("layerDefUid")]
    public int LayerDefUid { get; set; }

    [JsonPropertyName("pxOffsetX")]
    public int PxOffsetX { get; set; }

    [JsonPropertyName("pxOffsetY")]
    public int PxOffsetY { get; set; }

    /// <summary>
    /// Gets or sets whether the layer is visible.
    /// </summary>
    [JsonPropertyName("visible")]
    public bool Visible { get; set; }

    /// <summary>
    /// Gets or sets the parallax horizontal factor (from -1 to 1, defaults to 0).
    /// </summary>
    [JsonPropertyName("__parallaxFactorX")]
    public float ParallaxFactorX { get; set; }

    /// <summary>
    /// Gets or sets the parallax vertical factor (from -1 to 1, defaults to 0).
    /// </summary>
    [JsonPropertyName("__parallaxFactorY")]
    public float ParallaxFactorY { get; set; }

    /// <summary>
    /// Gets or sets the tile instances for Tiles layers.
    /// </summary>
    [JsonPropertyName("gridTiles")]
    public List<LDtkTileInstance> GridTiles { get; set; } = new List<LDtkTileInstance>();

    /// <summary>
    /// Gets or sets the auto-layer tile instances for IntGrid layers.
    /// </summary>
    [JsonPropertyName("autoLayerTiles")]
    public List<LDtkTileInstance> AutoLayerTiles { get; set; } = new List<LDtkTileInstance>();

    /// <summary>
    /// Gets or sets the entity instances for Entities layers.
    /// </summary>
    [JsonPropertyName("entityInstances")]
    public List<LDtkEntityInstance> EntityInstances { get; set; } = new List<LDtkEntityInstance>();

    /// <summary>
    /// Gets or sets the IntGrid values in CSV format for IntGrid layers.
    /// </summary>
    [JsonPropertyName("intGridCsv")]
    public List<int> IntGridCsv { get; set; } = new List<int>();
}

#endregion

#region Tileset

/// <summary>
/// Represents a tileset definition in LDtk.
/// </summary>
public class LDtkTilesetDefinition
{
    /// <summary>
    /// Gets or sets the tileset identifier.
    /// </summary>
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    /// <summary>
    /// Gets or sets the relative path to the tileset image.
    /// </summary>
    [JsonPropertyName("relPath")]
    public string RelPath { get; set; }

    [JsonPropertyName("embedAtlas")]
    public string EmbedAtlas { get; set; }

    /// <summary>
    /// Gets or sets the tileset image width in pixels.
    /// </summary>
    [JsonPropertyName("pxWid")]
    public int PxWid { get; set; }

    /// <summary>
    /// Gets or sets the tileset image height in pixels.
    /// </summary>
    [JsonPropertyName("pxHei")]
    public int PxHei { get; set; }

    /// <summary>
    /// Gets or sets the tile grid size in pixels.
    /// </summary>
    [JsonPropertyName("tileGridSize")]
    public int TileGridSize { get; set; }

    /// <summary>
    /// Gets or sets the spacing in pixels between tiles.
    /// </summary>
    [JsonPropertyName("spacing")]
    public int Spacing { get; set; }

    /// <summary>
    /// Gets or sets the padding in pixels around tiles.
    /// </summary>
    [JsonPropertyName("padding")]
    public int Padding { get; set; }

    /// <summary>
    /// Gets or sets the tileset width in grid cells.
    /// </summary>
    [JsonPropertyName("__cWid")]
    public int CWid { get; set; }

    /// <summary>
    /// Gets or sets the tileset height in grid cells.
    /// </summary>
    [JsonPropertyName("__cHei")]
    public int CHei { get; set; }
}

/// <summary>
/// Represents a tile instance in an LDtk layer.
/// </summary>
public class LDtkTileInstance
{
    /// <summary>
    /// Gets or sets the pixel coordinates [x, y] of the tile in the layer.
    /// </summary>
    [JsonPropertyName("px")]
    public List<int> Px { get; set; } = new List<int>();

    /// <summary>
    /// Gets or sets the source pixel coordinates [x, y] in the tileset.
    /// </summary>
    [JsonPropertyName("src")]
    public List<int> Src { get; set; } = new List<int>();

    /// <summary>
    /// Gets or sets the flip flags (0=none, 1=X, 2=Y, 3=XY).
    /// </summary>
    [JsonPropertyName("f")]
    public int F { get; set; }

    /// <summary>
    /// Gets or sets the tile ID in the tileset.
    /// </summary>
    [JsonPropertyName("t")]
    public int T { get; set; }

    [JsonPropertyName("d")]
    public List<int> D { get; set; } = new List<int>();

    /// <summary>
    /// Gets or sets the tile alpha/opacity (0.0 to 1.0).
    /// </summary>
    [JsonPropertyName("a")]
    public float A { get; set; } = 1.0f;
}

/// <summary>
/// Represents an IntGrid value definition in LDtk.
/// </summary>
public class LDtkIntGridValueDefinition
{
    [JsonPropertyName("value")]
    public int Value { get; set; }

    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("color")]
    public string Color { get; set; }
}

#endregion

#region Entity

/// <summary>
/// Represents an entity definition in LDtk.
/// </summary>
public class LDtkEntityDefinition
{
    /// <summary>
    /// Gets or sets the entity identifier.
    /// </summary>
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    /// <summary>
    /// Gets or sets the entity width in pixels.
    /// </summary>
    [JsonPropertyName("width")]
    public int Width { get; set; }

    /// <summary>
    /// Gets or sets the entity height in pixels.
    /// </summary>
    [JsonPropertyName("height")]
    public int Height { get; set; }

    /// <summary>
    /// Gets or sets the entity color in #RRGGBB format.
    /// </summary>
    [JsonPropertyName("color")]
    public string Color { get; set; }

    [JsonPropertyName("pivotX")]
    public float PivotX { get; set; }

    [JsonPropertyName("pivotY")]
    public float PivotY { get; set; }

    /// <summary>
    /// Gets or sets the custom field definitions for this entity.
    /// </summary>
    [JsonPropertyName("fieldDefs")]
    public List<LDtkFieldDefinition> FieldDefs { get; set; } = new List<LDtkFieldDefinition>();

    [JsonPropertyName("tags")]
    public List<string> Tags { get; set; } = new List<string>();
}

/// <summary>
/// Represents an entity instance in an LDtk level.
/// </summary>
public class LDtkEntityInstance
{
    /// <summary>
    /// Gets or sets the entity identifier.
    /// </summary>
    [JsonPropertyName("__identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the unique entity instance identifier.
    /// </summary>
    [JsonPropertyName("iid")]
    public string Iid { get; set; }

    [JsonPropertyName("defUid")]
    public int DefUid { get; set; }

    /// <summary>
    /// Gets or sets the pixel coordinates [x, y] of the entity.
    /// </summary>
    [JsonPropertyName("px")]
    public List<int> Px { get; set; } = new List<int>();

    /// <summary>
    /// Gets or sets the entity width in pixels.
    /// </summary>
    [JsonPropertyName("width")]
    public int Width { get; set; }

    /// <summary>
    /// Gets or sets the entity height in pixels.
    /// </summary>
    [JsonPropertyName("height")]
    public int Height { get; set; }

    [JsonPropertyName("__pivot")]
    public List<float> Pivot { get; set; } = new List<float>();

    [JsonPropertyName("__tags")]
    public List<string> Tags { get; set; } = new List<string>();

    /// <summary>
    /// Gets or sets the custom field instances for this entity.
    /// </summary>
    [JsonPropertyName("fieldInstances")]
    public List<LDtkFieldInstance> FieldInstances { get; set; } = new List<LDtkFieldInstance>();
}

#endregion

#region Fields

/// <summary>
/// Represents a field definition in LDtk.
/// </summary>
public class LDtkFieldDefinition
{
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the field type (Int, Float, String, Bool, Color, Point, FilePath, EntityRef, Enum, etc.).
    /// </summary>
    [JsonPropertyName("__type")]
    public string Type { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    [JsonPropertyName("type")]
    public string TypeEnum { get; set; }

    /// <summary>
    /// Gets or sets whether this field is an array.
    /// </summary>
    [JsonPropertyName("isArray")]
    public bool IsArray { get; set; }

    [JsonPropertyName("canBeNull")]
    public bool CanBeNull { get; set; }
}

/// <summary>
/// Represents a field instance (custom property value) in LDtk.
/// </summary>
public class LDtkFieldInstance
{
    /// <summary>
    /// Gets or sets the field identifier.
    /// </summary>
    [JsonPropertyName("__identifier")]
    public string Identifier { get; set; }

    /// <summary>
    /// Gets or sets the field type.
    /// </summary>
    [JsonPropertyName("__type")]
    public string Type { get; set; }

    /// <summary>
    /// Gets or sets the field value (can be various types).
    /// </summary>
    [JsonPropertyName("__value")]
    public JsonElement? Value { get; set; }

    [JsonPropertyName("defUid")]
    public int DefUid { get; set; }

    [JsonPropertyName("realEditorValues")]
    public List<object> RealEditorValues { get; set; } = new List<object>();
}

#endregion

#region Auto-Layer

/// <summary>
/// Represents an auto-layer rule group in LDtk.
/// </summary>
public class LDtkAutoLayerRuleGroup
{
    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    [JsonPropertyName("name")]
    public string Name { get; set; }

    [JsonPropertyName("active")]
    public bool Active { get; set; }

    [JsonPropertyName("rules")]
    public List<LDtkAutoLayerRule> Rules { get; set; } = new List<LDtkAutoLayerRule>();
}

/// <summary>
/// Represents an auto-layer rule in LDtk.
/// </summary>
public class LDtkAutoLayerRule
{
    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    [JsonPropertyName("active")]
    public bool Active { get; set; }

    [JsonPropertyName("size")]
    public int Size { get; set; }

    [JsonPropertyName("tileRectsIds")]
    public List<List<int>> TileRectsIds { get; set; } = new List<List<int>>();

    [JsonPropertyName("pattern")]
    public List<int> Pattern { get; set; } = new List<int>();
}

#endregion

#region Enum

/// <summary>
/// Represents an enum definition in LDtk.
/// </summary>
public class LDtkEnumDefinition
{
    [JsonPropertyName("identifier")]
    public string Identifier { get; set; }

    [JsonPropertyName("uid")]
    public int Uid { get; set; }

    [JsonPropertyName("values")]
    public List<LDtkEnumValue> Values { get; set; } = new List<LDtkEnumValue>();

    [JsonPropertyName("externalRelPath")]
    public string ExternalRelPath { get; set; }
}

/// <summary>
/// Represents an enum value in LDtk.
/// </summary>
public class LDtkEnumValue
{
    [JsonPropertyName("id")]
    public string Id { get; set; }

    [JsonPropertyName("color")]
    public int Color { get; set; }
}

#endregion

#region Supporting Types

/// <summary>
/// Represents a grid point coordinate in LDtk.
/// </summary>
public class LDtkGridPoint
{
    [JsonPropertyName("cx")]
    public int Cx { get; set; }

    [JsonPropertyName("cy")]
    public int Cy { get; set; }
}

/// <summary>
/// Represents entity reference information in LDtk.
/// </summary>
public class LDtkEntityReferenceInfos
{
    [JsonPropertyName("entityIid")]
    public string EntityIid { get; set; }

    [JsonPropertyName("layerIid")]
    public string LayerIid { get; set; }

    [JsonPropertyName("levelIid")]
    public string LevelIid { get; set; }

    [JsonPropertyName("worldIid")]
    public string WorldIid { get; set; }
}

#endregion