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using System;
using System.Collections.Generic;
using System.Globalization;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content.Pipeline;
using Microsoft.Xna.Framework.Content.Pipeline.Graphics;
using Microsoft.Xna.Framework.Content.Pipeline.Serialization.Compiler;
using MonoGame.Extended.Tiled;
using MonoGame.Extended.Tiled.Serialization;
namespace MonoGame.Extended.Content.Pipeline.Tiled
{
[ContentTypeWriter]
public class TiledMapWriter : ContentTypeWriter<TiledMapContentItem>
{
private TiledMapContentItem _contentItem;
protected override void Write(ContentWriter writer, TiledMapContentItem contentItem)
{
_contentItem = contentItem;
var map = contentItem.Data;
try
{
WriteMetaData(writer, map);
WriteTilesets(writer, map.Tilesets);
WriteLayers(writer, map.Layers);
}
catch (Exception ex)
{
ContentLogger.Logger.LogImportantMessage(ex.StackTrace);
throw;
}
}
private static void WriteMetaData(ContentWriter writer, TiledMapContent map)
{
writer.Write(map.Class ?? map.Type ?? string.Empty);
writer.Write(map.Width);
writer.Write(map.Height);
writer.Write(map.TileWidth);
writer.Write(map.TileHeight);
writer.Write(ColorHelper.FromHex(map.BackgroundColor));
writer.Write((byte)map.RenderOrder);
writer.Write((byte)map.Orientation);
writer.WriteTiledMapProperties(map.Properties);
}
private void WriteTilesets(ContentWriter writer, IReadOnlyCollection<TiledMapTilesetContent> tilesets)
{
writer.Write(tilesets.Count);
foreach (var tileset in tilesets)
WriteTileset(writer, tileset);
}
private void WriteTileset(ContentWriter writer, TiledMapTilesetContent tileset)
{
writer.Write(tileset.FirstGlobalIdentifier);
if (!string.IsNullOrWhiteSpace(tileset.Source))
{
writer.Write(true);
writer.WriteExternalReference(_contentItem.GetExternalReference<TiledMapTilesetContent>(tileset.Source));
}
else
{
writer.Write(false);
TiledMapTilesetWriter.WriteTileset(writer, tileset, _contentItem);
}
}
private void WriteLayers(ContentWriter writer, IReadOnlyCollection<TiledMapLayerContent> layers)
{
writer.Write(layers.Count);
foreach (var layer in layers)
WriteLayer(writer, layer);
}
private void WriteLayer(ContentWriter writer, TiledMapLayerContent layer)
{
writer.Write((byte)layer.LayerType);
writer.Write(layer.Name ?? string.Empty);
writer.Write(layer.Class ?? layer.Type ?? string.Empty);
writer.Write(layer.Visible);
writer.Write(layer.Opacity);
writer.Write(layer.OffsetX);
writer.Write(layer.OffsetY);
writer.Write(layer.ParallaxX);
writer.Write(layer.ParallaxY);
writer.WriteTiledMapProperties(layer.Properties);
switch (layer.LayerType)
{
case TiledMapLayerType.ImageLayer:
WriteImageLayer(writer, (TiledMapImageLayerContent)layer);
break;
case TiledMapLayerType.TileLayer:
WriteTileLayer(writer, (TiledMapTileLayerContent)layer);
break;
case TiledMapLayerType.ObjectLayer:
WriteObjectLayer(writer, (TiledMapObjectLayerContent)layer);
break;
case TiledMapLayerType.GroupLayer:
WriteLayers(writer, ((TiledMapGroupLayerContent)layer).Layers);
break;
default:
throw new ArgumentOutOfRangeException(nameof(layer.LayerType));
}
}
private void WriteImageLayer(ContentWriter writer, TiledMapImageLayerContent imageLayer)
{
var externalReference = _contentItem.GetExternalReference<Texture2DContent>(imageLayer.Image.Source);
writer.WriteExternalReference(externalReference);
writer.Write(new Vector2(imageLayer.X, imageLayer.Y));
}
// ReSharper disable once SuggestBaseTypeForParameter
private static void WriteTileLayer(ContentWriter writer, TiledMapTileLayerContent tileLayer)
{
writer.Write(tileLayer.Width);
writer.Write(tileLayer.Height);
writer.Write(tileLayer.Tiles.Length);
foreach (var tile in tileLayer.Tiles)
{
writer.Write(tile.GlobalTileIdentifierWithFlags);
writer.Write(tile.X);
writer.Write(tile.Y);
}
}
private static void WriteObjectLayer(ContentWriter writer, TiledMapObjectLayerContent layer)
{
writer.Write(ColorHelper.FromHex(layer.Color));
writer.Write((byte)layer.DrawOrder);
writer.Write(layer.Objects.Count);
foreach (var @object in layer.Objects)
WriteObject(writer, @object);
}
private static void WriteObject(ContentWriter writer, TiledMapObjectContent @object)
{
var type = GetObjectType(@object);
writer.Write((byte)type);
writer.Write(@object.Identifier);
writer.Write(@object.Name ?? string.Empty);
writer.Write(@object.Class ?? @object.Type ?? string.Empty);
writer.Write(@object.X);
writer.Write(@object.Y);
writer.Write(@object.Width);
writer.Write(@object.Height);
writer.Write(@object.Rotation);
writer.Write(@object.Visible);
writer.WriteTiledMapProperties(@object.Properties);
switch (type)
{
case TiledMapObjectType.Rectangle:
case TiledMapObjectType.Ellipse:
break;
case TiledMapObjectType.Tile:
writer.Write(@object.GlobalIdentifier);
break;
case TiledMapObjectType.Polygon:
WritePolyPoints(writer, @object.Polygon.Points);
break;
case TiledMapObjectType.Polyline:
WritePolyPoints(writer, @object.Polyline.Points);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
// ReSharper disable once SuggestBaseTypeForParameter
private static void WritePolyPoints(ContentWriter writer, string @string)
{
var stringPoints = @string.Split(' ');
writer.Write(stringPoints.Length);
foreach (var stringPoint in stringPoints)
{
var xy = stringPoint.Split(',');
var x = float.Parse(xy[0], CultureInfo.InvariantCulture.NumberFormat);
writer.Write(x);
var y = float.Parse(xy[1], CultureInfo.InvariantCulture.NumberFormat);
writer.Write(y);
}
}
public static TiledMapObjectType GetObjectType(TiledMapObjectContent content)
{
if (content.GlobalIdentifier > 0)
return TiledMapObjectType.Tile;
if (content.Ellipse != null)
return TiledMapObjectType.Ellipse;
if (content.Polygon != null)
return TiledMapObjectType.Polygon;
// ReSharper disable once ConvertIfStatementToReturnStatement
if (content.Polyline != null)
return TiledMapObjectType.Polyline;
return TiledMapObjectType.Rectangle;
}
public override string GetRuntimeType(TargetPlatform targetPlatform) => "MonoGame.Extended.Tiled.TiledMap, MonoGame.Extended.Tiled";
public override string GetRuntimeReader(TargetPlatform targetPlatform) => "MonoGame.Extended.Tiled.TiledMapReader, MonoGame.Extended.Tiled";
}
}
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