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54 lines
1.8 KiB
54 lines
1.8 KiB
using Mapbox.Map;
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using Mapbox.Unity.MeshGeneration.Data;
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using Mapbox.Unity.MeshGeneration.Enums;
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using System;
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using System.Collections.Generic;
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public class ImageDataFetcher : DataFetcher
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{
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public Action<UnityTile, RasterTile> DataRecieved = (t, s) => { };
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public Action<UnityTile, RasterTile, TileErrorEventArgs> FetchingError = (t, r, s) => { };
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//tile here should be totally optional and used only not to have keep a dictionary in terrain factory base
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public override void FetchData(DataFetcherParameters parameters)
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{
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var imageDataParameters = parameters as ImageDataFetcherParameters;
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if(imageDataParameters == null)
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{
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return;
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}
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RasterTile rasterTile;
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if (imageDataParameters.tilesetId.StartsWith("mapbox://", StringComparison.Ordinal))
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{
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rasterTile = imageDataParameters.useRetina ? new RetinaRasterTile() : new RasterTile();
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}
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else
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{
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rasterTile = imageDataParameters.useRetina ? new ClassicRetinaRasterTile() : new ClassicRasterTile();
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}
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if (imageDataParameters.tile != null)
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{
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imageDataParameters.tile.AddTile(rasterTile);
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}
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rasterTile.Initialize(_fileSource, imageDataParameters.canonicalTileId, imageDataParameters.tilesetId, () =>
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{
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if (imageDataParameters.tile != null && imageDataParameters.tile.CanonicalTileId != rasterTile.Id)
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{
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//this means tile object is recycled and reused. Returned data doesn't belong to this tile but probably the previous one. So we're trashing it.
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return;
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}
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if (rasterTile.HasError)
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{
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FetchingError(imageDataParameters.tile, rasterTile, new TileErrorEventArgs(imageDataParameters.tile.CanonicalTileId, rasterTile.GetType(), imageDataParameters.tile, rasterTile.Exceptions));
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}
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else
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{
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DataRecieved(imageDataParameters.tile, rasterTile);
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}
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});
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}
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}
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