79 lines
2.6 KiB
C#
79 lines
2.6 KiB
C#
using System.Collections.Generic;
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using Mapbox.Map;
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using UnityEngine;
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namespace Mapbox.Unity.Map.TileProviders
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{
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public class RangeAroundTransformTileProvider : AbstractTileProvider
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{
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private RangeAroundTransformTileProviderOptions _rangeTileProviderOptions;
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private bool _initialized = false;
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private UnwrappedTileId _currentTile;
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private bool _waitingForTargetTransform = false;
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public override void OnInitialized()
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{
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_rangeTileProviderOptions = (RangeAroundTransformTileProviderOptions)Options;
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if (_rangeTileProviderOptions.targetTransform == null)
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{
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Debug.LogError("TransformTileProvider: No location marker transform specified.");
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_waitingForTargetTransform = true;
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}
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else
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{
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_initialized = true;
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}
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//_toRemove = new List<UnwrappedTileId>(((_rangeTileProviderOptions.visibleBuffer * 2) + 1) * ((_rangeTileProviderOptions.visibleBuffer * 2) + 1));
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_currentExtent.activeTiles = new HashSet<UnwrappedTileId>();
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_map.OnInitialized += UpdateTileExtent;
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_map.OnUpdated += UpdateTileExtent;
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}
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public override void UpdateTileExtent()
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{
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if (!_initialized) return;
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_currentExtent.activeTiles.Clear();
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//_toRemove.Clear();
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_currentTile = TileCover.CoordinateToTileId(_map.WorldToGeoPosition(_rangeTileProviderOptions.targetTransform.localPosition), _map.AbsoluteZoom);
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for (int x = _currentTile.X - _rangeTileProviderOptions.visibleBuffer; x <= (_currentTile.X + _rangeTileProviderOptions.visibleBuffer); x++)
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{
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for (int y = _currentTile.Y - _rangeTileProviderOptions.visibleBuffer; y <= (_currentTile.Y + _rangeTileProviderOptions.visibleBuffer); y++)
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{
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_currentExtent.activeTiles.Add(new UnwrappedTileId(_map.AbsoluteZoom, x, y));
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}
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}
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OnExtentChanged();
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}
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public virtual void Update()
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{
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if (_waitingForTargetTransform && !_initialized)
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{
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if (_rangeTileProviderOptions.targetTransform != null)
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{
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_initialized = true;
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}
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}
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if (_rangeTileProviderOptions != null && _rangeTileProviderOptions.targetTransform != null && _rangeTileProviderOptions.targetTransform.hasChanged)
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{
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UpdateTileExtent();
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_rangeTileProviderOptions.targetTransform.hasChanged = false;
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}
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}
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public override bool Cleanup(UnwrappedTileId tile)
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{
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bool dispose = false;
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dispose = tile.X > _currentTile.X + _rangeTileProviderOptions.disposeBuffer || tile.X < _currentTile.X - _rangeTileProviderOptions.disposeBuffer;
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dispose = dispose || tile.Y > _currentTile.Y + _rangeTileProviderOptions.disposeBuffer || tile.Y < _currentTile.Y - _rangeTileProviderOptions.disposeBuffer;
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return (dispose);
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}
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}
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} |