recrownedathenaeum/RecrownedAthenaeum/ContentReaders/TextureAtlasDataReader.cs

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using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.Graphics;
using Newtonsoft.Json;
using RecrownedAthenaeum.Data;
using RecrownedAthenaeum.SpecialTypes;
using System.IO;
using System.Text;
2019-01-21 03:45:15 +00:00
namespace RecrownedAthenaeum.ContentReaders
{
class TextureAtlasDataReader : ContentTypeReader<TextureAtlas>
{
protected override TextureAtlas Read(ContentReader input, TextureAtlas existingInstance)
{
TextureAtlasData atlasData;
Texture2D atlasTexture;
using (MemoryStream stream = new MemoryStream(input.ReadBytes(input.ReadInt32())))
{
atlasTexture = Texture2D.FromStream(Configuration.GraphicsDeviceManager.GraphicsDevice, stream);
}
string serialized = Encoding.ASCII.GetString(input.ReadBytes(input.ReadInt32()));
atlasData = JsonConvert.DeserializeObject<TextureAtlasData>(serialized);
TextureAtlas atlas = new TextureAtlas(atlasTexture, GenerateAtlasRegionsFromData(atlasData, atlasTexture));
return atlas;
}
/// <summary>
/// Generates region given <see cref="TextureAtlasData"/>.
/// </summary>
/// <param name="textureAtlasData">The data to generate the regions from.</param>
/// <param name="atlasTexture">The texture containing the atlas.</param>
/// <returns>An array of regions.</returns>
public TextureAtlas.Region[] GenerateAtlasRegionsFromData(TextureAtlasData textureAtlasData, Texture2D atlasTexture)
{
TextureAtlas.Region[] regions = new TextureAtlas.Region[textureAtlasData.regions.Length];
for (int regionID = 0; regionID < regions.Length; regionID++)
{
TextureAtlasData.AtlasRegionData regionData = textureAtlasData.regions[regionID];
NinePatch nPatch = null;
if (regionData.ninePatchData != null)
{
NinePatchData nPatchData = regionData.ninePatchData;
nPatch = new NinePatch(atlasTexture, nPatchData.left, nPatchData.right, nPatchData.bottom, nPatchData.bottom, regionData.bounds);
}
regions[regionID] = new TextureAtlas.Region(regionData.name, regionData.bounds, nPatch, atlasTexture);
}
return regions;
}
}
}