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