ZhenShiXunYouJi2/Assets/Scripts/SUISSEngine/Builder.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using CIGEnums;
using SUISS.Core;
using UnityEngine;

namespace SUISSEngine
{
	public class Builder : MonoBehaviour
	{
		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event Builder.TileBuilt OnTileBuild;

		//[DebuggerBrowsable(DebuggerBrowsableState.Never)]
		public event Builder.TileDestroyed OnTileDestroyed;

		protected virtual void Awake()
		{
			this._isBuilding = false;
			this._currentTile = null;
			this._isBuildingRoad = false;
			this._currentRoadPrefab = null;
			this._currentRoadType = -1;
			this._currentRoadTiles = new List<GridTile>();
			this._removedRoadTiles = new List<KeyValuePair<GridTile, GridIndex>>();
			this._originalIndex = GridIndex.invalid;
			this._tilesHidden = false;
			this._roadsHidden = false;
		}

		protected virtual void OnGridDeserialized()
		{
		}

		private void OnDestroy()
		{
			this.OnTileBuild = null;
			this.OnTileDestroyed = null;
			if (SingletonMonobehaviour<OverlayManager>.IsAvailable)
			{
				SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._hideOverlayRequest);
				SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._usingOverlayRequest);
			}
		}

		public bool isBuilding
		{
			get
			{
				return this._isBuilding;
			}
		}

		public GridTile currentTile
		{
			get
			{
				return this._currentTile;
			}
		}

		public bool isBuildingRoad
		{
			get
			{
				return this._isBuildingRoad;
			}
		}

		public int currentRoadType
		{
			get
			{
				return this._currentRoadType;
			}
		}

		public virtual bool TilesHidden
		{
			get
			{
				return this._tilesHidden;
			}
			set
			{
				if (value != this._tilesHidden)
				{
					this._tilesHidden = value;
					if (this.grid != null)
					{
						GridSize size = this.grid.Size;
						for (int i = 0; i < size.v; i++)
						{
							for (int j = 0; j < size.u; j++)
							{
								GridTile tile = this.grid[j, i].Tile;
								if (tile != null && tile.GetComponent<Road>() == null && tile.GetComponent<Scenery>() == null)
								{
									tile.hidden = this._tilesHidden;
								}
							}
						}
						if (this._tilesHidden)
						{
							SingletonMonobehaviour<OverlayManager>.Instance.DisableInteractionRequest(this._hideOverlayRequest);
						}
						else
						{
							SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._hideOverlayRequest);
						}
					}
				}
			}
		}

		public virtual bool roadsHidden
		{
			get
			{
				return this._roadsHidden;
			}
			set
			{
				if (value != this._roadsHidden)
				{
					this._roadsHidden = value;
					if (this.grid != null)
					{
						GridSize size = this.grid.Size;
						for (int i = 0; i < size.v; i++)
						{
							for (int j = 0; j < size.u; j++)
							{
								GridTile tile = this.grid[j, i].Tile;
								if (tile != null && tile.GetComponent<Road>() != null)
								{
									tile.hidden = this._roadsHidden;
								}
							}
						}
					}
				}
			}
		}

		public void BeginBuild(GameObject prefab)
		{
			this.BeginBuild(prefab, GridIndex.invalid, false);
		}

		public void BeginBuild(GameObject prefab, bool mirrored)
		{
			this.BeginBuild(prefab, GridIndex.invalid, mirrored);
		}

		public void BeginBuild(GameObject prefab, GridIndex indexHint)
		{
			this.BeginBuild(prefab, indexHint, false);
		}

		public void BeginBuild(GameObject prefab, GridIndex indexHint, bool mirrored)
		{
			if (this._isBuilding)
			{
				UnityEngine.Debug.LogWarning("Can't begin building because this Builder is already building.");
				return;
			}
			if (this.grid == null)
			{
				UnityEngine.Debug.LogError("Can't begin building because no grid could be found.");
				return;
			}
			GameObject gameObject = UnityEngine.Object.Instantiate<GameObject>(prefab);
			GridTile component = gameObject.GetComponent<GridTile>();
			if (component == null)
			{
				UnityEngine.Debug.LogError("Can't build " + prefab + " because it has no GridTile component.");
				UnityEngine.Object.Destroy(gameObject);
				return;
			}
			gameObject.name = prefab.name;
			GridSize size = component.size;
			if (mirrored)
			{
				size = new GridSize(size.v, size.u);
			}
			if (indexHint.isInvalid)
			{
				indexHint = this.grid.ConvertIslandCoordinateToGridIndex(this.island.islandCamera.transform.position);
				if (indexHint.isInvalid)
				{
					indexHint.u = this.grid.Size.u / 2;
					indexHint.v = this.grid.Size.v / 2;
				}
			}
			indexHint.u += size.u / 2;
			if (indexHint.u >= this.grid.Size.u)
			{
				indexHint.u = this.grid.Size.u - 1;
			}
			indexHint.v += size.v / 2;
			if (indexHint.v >= this.grid.Size.v)
			{
				indexHint.v = this.grid.Size.v - 1;
			}
			GridIndex index = indexHint;
			if (!this.CanBuildTile(component, this.grid, index, mirrored, false))
			{
				float num = (float)(this.grid.Size.u + this.grid.Size.v);
				bool flag = false;
				for (int i = 1; i < this.grid.Size.u + this.grid.Size.v; i++)
				{
					GridIndex gridIndex;
					for (int j = -i; j <= i; j++)
					{
						gridIndex.u = indexHint.u + j;
						gridIndex.v = indexHint.v - i;
						float num2 = Mathf.Sqrt((float)((indexHint.u - gridIndex.u) * (indexHint.u - gridIndex.u) + (indexHint.v - gridIndex.v) * (indexHint.v - gridIndex.v)));
						if (num2 < num && this.CanBuildTile(component, this.grid, gridIndex, mirrored, false))
						{
							num = num2;
							index = gridIndex;
							flag = true;
						}
						gridIndex.v = indexHint.v + i;
						num2 = Mathf.Sqrt((float)((indexHint.u - gridIndex.u) * (indexHint.u - gridIndex.u) + (indexHint.v - gridIndex.v) * (indexHint.v - gridIndex.v)));
						if (num2 < num && this.CanBuildTile(component, this.grid, gridIndex, mirrored, false))
						{
							num = num2;
							index = gridIndex;
							flag = true;
						}
					}
					for (int k = -i + 1; k <= i - 1; k++)
					{
						gridIndex.v = indexHint.v + k;
						gridIndex.u = indexHint.u - i;
						float num2 = Mathf.Sqrt((float)((indexHint.u - gridIndex.u) * (indexHint.u - gridIndex.u) + (indexHint.v - gridIndex.v) * (indexHint.v - gridIndex.v)));
						if (num2 < num && this.CanBuildTile(component, this.grid, gridIndex, mirrored, false))
						{
							num = num2;
							index = gridIndex;
							flag = true;
						}
						gridIndex.u = indexHint.u + i;
						num2 = Mathf.Sqrt((float)((indexHint.u - gridIndex.u) * (indexHint.u - gridIndex.u) + (indexHint.v - gridIndex.v) * (indexHint.v - gridIndex.v)));
						if (num2 < num && this.CanBuildTile(component, this.grid, gridIndex, mirrored, false))
						{
							num = num2;
							index = gridIndex;
							flag = true;
						}
					}
					if (flag)
					{
						break;
					}
				}
			}
			this._isBuilding = true;
			this._currentTile = component;
			component.status = GridTile.Status.Preview;
			this.UpdateCurrentTile(this._currentTile, index, mirrored);
			if (this.island.input != null)
			{
				this.island.input.CenterViewOn(this._currentTile.gameObject, true);
			}
			SingletonMonobehaviour<OverlayManager>.Instance.DisableInteractionRequest(this._usingOverlayRequest);
		}

		public void BeginMove(GameObject clone)
		{
			if (this._isBuilding)
			{
				UnityEngine.Debug.LogWarning("Can't moving building because this Builder is already building.");
				return;
			}
			if (this.grid == null)
			{
				UnityEngine.Debug.LogError("Can't begin moving because no grid could be found.");
				return;
			}
			GridTile component = clone.GetComponent<GridTile>();
			if (component == null)
			{
				UnityEngine.Debug.LogError("Can't move " + clone + " because it has no GridTile component.");
				UnityEngine.Object.Destroy(clone);
				return;
			}
			GridIndex index = component.index;
			this.WillDestroyTile(component, index, component.size);
			this.grid.RemoveAtIndex(index, component.size, false);
			if (this.TilesHidden)
			{
				component.hidden = false;
			}
			this._originalIndex = index;
			this._isBuilding = true;
			this._currentTile = component;
			component.status = GridTile.Status.Moving;
			this.UpdateCurrentTile(this._currentTile, index, component.mirrored);
			this.DidDestroyTile(component, index, component.size);
			if (this.island.input != null)
			{
				this.island.input.CenterViewOn(this._currentTile.gameObject, true);
			}
			SingletonMonobehaviour<OverlayManager>.Instance.DisableInteractionRequest(this._usingOverlayRequest);
		}

		public void UpdateBuild(GridIndex newIndex)
		{
			if (!this._isBuilding)
			{
				return;
			}
			this.UpdateBuild(newIndex, this._currentTile.mirrored);
		}

		public void UpdateBuild(bool mirrored)
		{
			if (!this._isBuilding)
			{
				return;
			}
			this.UpdateBuild(this._currentTile.index, mirrored);
		}

		public void UpdateBuild(GridIndex newIndex, bool mirrored)
		{
			if (!this._isBuilding)
			{
				return;
			}
			if (newIndex.isInvalid)
			{
				newIndex = this._currentTile.index;
			}
			if (mirrored && !this._currentTile.canMirror)
			{
				mirrored = false;
			}
			this.UpdateCurrentTile(this._currentTile, newIndex, mirrored);
		}

		public void CancelBuild()
		{
			if (!this._isBuilding)
			{
				return;
			}
			SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._usingOverlayRequest);
			bool flag = true;
			if (this._currentTile.status == GridTile.Status.Moving && this.BuildAt(this._currentTile, this._originalIndex, this._currentTile.mirrored, false))
			{
				flag = false;
			}
			if (flag)
			{
				this.DestroyTile(this._currentTile);
			}
			this._currentTile = null;
			this._isBuilding = false;
			this._originalIndex = GridIndex.invalid;
		}

		public GridTile FinishBuild()
		{
			if (!this._isBuilding)
			{
				return null;
			}
			SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._usingOverlayRequest);
			if (this.BuildAt(this._currentTile, this._currentTile.index, this._currentTile.mirrored, false))
			{
				GridTile currentTile = this._currentTile;
				this._currentTile = null;
				this._isBuilding = false;
				this._originalIndex = GridIndex.invalid;
				return currentTile;
			}
			this.CancelBuild();
			return null;
		}

		public void BeginRoad(GameObject prefab)
		{
			if (this._isBuildingRoad)
			{
				UnityEngine.Debug.LogWarning("Can't begin building roads because this Builder is already building roads.");
				return;
			}
			GameObject gameObject = UnityEngine.Object.Instantiate<GameObject>(prefab);
			Road component = gameObject.GetComponent<Road>();
			if (component == null)
			{
				UnityEngine.Object.Destroy(gameObject);
				UnityEngine.Debug.LogWarning("Can't begin building road " + prefab + " because it has no Road component.");
				return;
			}
			this._currentRoadType = component.type;
			UnityEngine.Object.Destroy(gameObject);
			this._currentRoadPrefab = prefab;
			this._currentRoadTiles.Clear();
			this._isBuildingRoad = true;
			VehicleManager vehicleManager = this.island.vehicleManager;
			if (vehicleManager != null)
			{
				vehicleManager.WillBeginBuildingRoads(this._currentRoadType);
			}
			SingletonMonobehaviour<OverlayManager>.Instance.DisableInteractionRequest(this._usingOverlayRequest);
		}

		public void UpdateRoad(GridIndex index)
		{
			if (!this._isBuildingRoad)
			{
				return;
			}
			if (this.grid == null)
			{
				return;
			}
			if (index.isInvalid || index.u >= this.grid.Size.u || index.v >= this.grid.Size.v)
			{
				return;
			}
			GameObject gameObject = this.createRoadObject(this._currentRoadPrefab);
			if (gameObject == null)
			{
				return;
			}
			GridTile component = gameObject.GetComponent<GridTile>();
			Road component2 = component.GetComponent<Road>();
			GridElement gridElement = this.grid[index.u, index.v];
			if (gridElement.Tile == null)
			{
				if (!this.BuildAt(component, index, false, false))
				{
					UnityEngine.Object.Destroy(component.gameObject);
				}
				else
				{
					this._currentRoadTiles.Add(component);
					SingletonMonobehaviour<CIGAudioManager>.Instance.PlayClip(Clip.ButtonClick);
				}
			}
			else if (gridElement.Tile.GetComponent<Road>() != null)
			{
				GridTile tile = gridElement.Tile;
				if (component2.canBuildBridgeOver(tile.GetComponent<Road>().type))
				{
					GameObject bridgePrefab = component2.getBridgePrefab(tile.GetComponent<Road>().type);
					GameObject gameObject2 = this.createRoadObject(bridgePrefab);
					if (gameObject2 != null)
					{
						this.grid.RemoveAtIndex(index, tile.currentSize, false);
						tile.gameObject.SetActive(false);
						this._removedRoadTiles.Add(new KeyValuePair<GridTile, GridIndex>(tile, index));
						GridTile component3 = gameObject2.GetComponent<GridTile>();
						this.BuildAt(component3, index, false, true);
						this._currentRoadTiles.Add(component3);
						SingletonMonobehaviour<CIGAudioManager>.Instance.PlayClip(Clip.ButtonClick);
					}
				}
				component.status = GridTile.Status.Destroyed;
				UnityEngine.Object.Destroy(component.gameObject);
			}
			else
			{
				component.status = GridTile.Status.Destroyed;
				UnityEngine.Object.Destroy(component.gameObject);
			}
		}

		private GameObject createRoadObject(GameObject prefab)
		{
			GameObject gameObject = UnityEngine.Object.Instantiate<GameObject>(prefab);
			GridTile component = gameObject.GetComponent<GridTile>();
			if (component == null)
			{
				UnityEngine.Debug.LogError("Can't build " + prefab + " because it has no GridTile component.");
				UnityEngine.Object.Destroy(gameObject);
				return null;
			}
			Road component2 = component.GetComponent<Road>();
			if (component2 == null)
			{
				UnityEngine.Debug.LogError("Can't build " + prefab + " because it has no Road component.");
				component.status = GridTile.Status.Destroyed;
				UnityEngine.Object.Destroy(gameObject);
				return null;
			}
			gameObject.name = prefab.name;
			return gameObject;
		}

		public void CancelRoad()
		{
			if (!this._isBuildingRoad)
			{
				return;
			}
			SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._usingOverlayRequest);
			foreach (GridTile tile in this._currentRoadTiles)
			{
				this.DestroyTile(tile);
			}
			foreach (KeyValuePair<GridTile, GridIndex> keyValuePair in this._removedRoadTiles)
			{
				if (this.grid == null)
				{
					return;
				}
				if (keyValuePair.Key != null)
				{
					keyValuePair.Key.gameObject.SetActive(true);
					this.grid.AddTileAt(keyValuePair.Key, keyValuePair.Value, true);
					this.NotifyRoadsOfRoadChange(keyValuePair.Key);
				}
				else
				{
					UnityEngine.Debug.LogWarning("tile.Key == null");
				}
			}
			VehicleManager vehicleManager = this.island.vehicleManager;
			if (vehicleManager != null)
			{
				vehicleManager.DidFinishBuildingRoads(this._currentRoadType);
			}
			this._currentRoadPrefab = null;
			this._currentRoadType = -1;
			this._currentRoadTiles.Clear();
			this._removedRoadTiles.Clear();
			this._isBuildingRoad = false;
		}

		public void FinishRoad()
		{
			if (!this._isBuildingRoad)
			{
				return;
			}
			SingletonMonobehaviour<OverlayManager>.Instance.EnableInteractionRequest(this._usingOverlayRequest);
			VehicleManager vehicleManager = this.island.vehicleManager;
			if (vehicleManager != null)
			{
				vehicleManager.DidFinishBuildingRoads(this._currentRoadType);
			}
			foreach (KeyValuePair<GridTile, GridIndex> keyValuePair in this._removedRoadTiles)
			{
				if (keyValuePair.Key != null)
				{
					keyValuePair.Key.status = GridTile.Status.Destroyed;
					UnityEngine.Object.Destroy(keyValuePair.Key.gameObject);
				}
				else
				{
					UnityEngine.Debug.LogWarning("tile.Key == null");
				}
			}
			this._currentRoadPrefab = null;
			this._currentRoadType = -1;
			this._currentRoadTiles.Clear();
			this._removedRoadTiles.Clear();
			this._isBuildingRoad = false;
		}

		public bool BuildAt(GameObject prefab, GridIndex index, bool mirrored, bool forced)
		{
			GameObject gameObject = UnityEngine.Object.Instantiate<GameObject>(prefab);
			GridTile component = gameObject.GetComponent<GridTile>();
			if (component == null)
			{
				UnityEngine.Debug.LogError("Can't build " + prefab + " because it has no GridTile component.");
				UnityEngine.Object.Destroy(gameObject);
				return false;
			}
			gameObject.name = prefab.name;
			bool flag = this.BuildAt(component, index, mirrored, forced);
			if (!flag && component.status == GridTile.Status.Moving)
			{
				flag = this.BuildAt(component, this._originalIndex, mirrored, forced);
			}
			if (!flag)
			{
				this.DestroyTile(component);
			}
			return flag;
		}

		public bool BuildAt(GridTile tile, GridIndex index, bool mirrored, bool forced)
		{
			if (this.grid == null)
			{
				UnityEngine.Debug.LogError("Can't build anything because no grid could be found.");
				return false;
			}
			if (!this.CanBuildTile(tile, this.grid, index, mirrored, forced))
			{
				return false;
			}
			GridSize size = tile.size;
			if (mirrored)
			{
				size = new GridSize(size.v, size.u);
			}
			Road component = tile.GetComponent<Road>();
			VehicleManager vehicleManager = this.island.vehicleManager;
			this.WillBuildTile(tile, index, size, mirrored);
			tile.transform.parent = this.grid.transform;
			tile.index = index;
			if (component == null)
			{
				tile.hidden = this._tilesHidden;
			}
			else
			{
				tile.hidden = this._roadsHidden;
			}
			tile.mirrored = mirrored;
			if (tile.status == GridTile.Status.Moving)
			{
				this.grid.MoveTileFrom(tile, this._originalIndex, true);
			}
			else
			{
				this.grid.AddTileAt(tile, index, true);
			}
			if (component != null && vehicleManager != null)
			{
				vehicleManager.DidBuildRoadAt(index, component);
			}
			tile.UpdateTransform();
			if (component == null && vehicleManager != null)
			{
				vehicleManager.DidBuildTileAt(index, tile);
			}
			SpriteRenderer component2 = tile.GetComponent<SpriteRenderer>();
			if (component2 != null)
			{
				component2.color = Color.white;
			}
			if (this.OnTileBuild != null)
			{
				this.OnTileBuild(tile);
			}
			tile.status = GridTile.Status.Created;
			this.NotifyRoadsOfRoadChange(tile);
			this.DidBuildTile(tile, index, size, mirrored);
			return true;
		}

		public void DestroyTile(GridTile tile)
		{
			if (tile == null)
			{
				return;
			}
			GridIndex index = tile.index;
			GridSize currentSize = tile.currentSize;
			this.WillDestroyTile(tile, index, currentSize);
			if (tile.status != GridTile.Status.Preview)
			{
				GridElement element = tile.element;
				if (element != null)
				{
					IsometricGrid isometricGrid = element.Grid;
					if (isometricGrid != null)
					{
						Road component = tile.GetComponent<Road>();
						VehicleManager vehicleManager = this.island.vehicleManager;
						if (component == null && vehicleManager != null)
						{
							vehicleManager.WillDestroyTileAt(element.Index, tile);
						}
						if (component != null && vehicleManager != null)
						{
							vehicleManager.WillDestroyRoadAt(element.Index, component);
						}
						isometricGrid.RemoveAtIndex(element.Index, currentSize, true);
						if (component != null)
						{
							this.NotifyRoadsOfRoadChange(tile);
						}
					}
					else
					{
						element.Tile = null;
					}
				}
			}
			GridTile.Status status = tile.status;
			tile.status = GridTile.Status.Destroyed;
			if (this.OnTileDestroyed != null)
			{
				this.OnTileDestroyed(tile, status);
			}
			UnityEngine.Object.Destroy(tile.gameObject);
			this.DidDestroyTile(tile, index, currentSize);
		}

		public bool CanBuild()
		{
			return this.CanBuildTile(this._currentTile, this._currentTile.grid, this._currentTile.index, false, false);
		}

		protected virtual bool CanBuildTile(GridTile tile, IsometricGrid grid, GridIndex index, bool mirrored, bool forced)
		{
			if (index.isInvalid || index.u >= grid.Size.u || index.v >= grid.Size.v)
			{
				return false;
			}
			if (mirrored && !tile.canMirror)
			{
				return false;
			}
			GridSize size = tile.size;
			if (mirrored)
			{
				size = new GridSize(size.v, size.u);
			}
			if (size.u > index.u + 1 || size.v > index.v + 1)
			{
				return false;
			}
			for (int i = index.v; i > index.v - size.v; i--)
			{
				for (int j = index.u; j > index.u - size.u; j--)
				{
					GridElement gridElement = grid[j, i];
					if (gridElement.Tile != null)
					{
						if (!forced || !(gridElement.Tile.GetComponent<Scenery>() == null))
						{
							return false;
						}
						UnityEngine.Debug.LogWarning(string.Format("In order to build {0} at {1}, we need to remove {2} at ({3},{4})", new object[]
						{
							tile.name,
							index,
							gridElement.Tile.name,
							j,
							i
						}));
						this.DestroyTile(gridElement.Tile);
					}
					if (!forced && !this.CanBuildTileOnElement(tile, grid, gridElement))
					{
						return false;
					}
				}
			}
			return true;
		}

		protected virtual bool IsElementTypeCompatible(int type, int required)
		{
			return type == required;
		}

		protected virtual bool CanBuildTileOnElement(GridTile tile, IsometricGrid grid, GridElement element)
		{
			return this.IsElementTypeCompatible(element.Type, tile.requiredGridType);
		}

		protected void UpdateCurrentTile(GridTile tile, GridIndex index, bool mirrored)
		{
			if (this.grid == null)
			{
				return;
			}
			if (index.u < tile.size.u - 1)
			{
				index.u = tile.size.u - 1;
			}
			if (index.u >= this.grid.Size.u)
			{
				index.u = this.grid.Size.u - 1;
			}
			if (index.v < tile.size.v - 1)
			{
				index.v = tile.size.v - 1;
			}
			if (index.v >= this.grid.Size.v)
			{
				index.v = tile.size.v - 1;
			}
			tile.transform.parent = this.grid.transform;
			tile.index = index;
			tile.mirrored = mirrored;
			tile.UpdateTransform();
			Vector3 localPosition = tile.transform.localPosition;
			localPosition.z = this.grid.zNear;
			tile.transform.localPosition = localPosition;
			SpriteRenderer component = tile.GetComponent<SpriteRenderer>();
			if (component != null)
			{
				Color color;
				if (this.CanBuildTile(tile, this.grid, index, tile.mirrored, false))
				{
					color = Color.white;
				}
				else
				{
					color = Color.red;
				}
				color.a *= 0.5f;
				component.color = color;
			}
		}

		protected virtual void WillBuildTile(GridTile tile, GridIndex index, GridSize size, bool mirrored)
		{
		}

		protected virtual void DidBuildTile(GridTile tile, GridIndex index, GridSize size, bool mirrored)
		{
		}

		protected virtual void WillDestroyTile(GridTile tile, GridIndex index, GridSize size)
		{
		}

		protected virtual void DidDestroyTile(GridTile tile, GridIndex index, GridSize size)
		{
		}

		private static void TryUpdateRoadAt(Road original, IsometricGrid grid, GridIndex index)
		{
			if (index.isInvalid || index.u >= grid.Size.u || index.v >= grid.Size.v)
			{
				return;
			}
			GridTile tile = grid[index].Tile;
			if (tile != null)
			{
				Road component = tile.GetComponent<Road>();
				if (component != null && Road.RoadsMatch(component.type, original.type, true))
				{
					component.UpdateSprite();
				}
			}
		}

		private void NotifyBuildingsOfRoadChange(GridTile roadTile)
		{
			if (roadTile != null && roadTile.grid != null)
			{
				foreach (GridTile gridTile in roadTile.grid.GetNeighbourTiles(roadTile))
				{
					Building component = gridTile.GetComponent<Building>();
					if (component != null && component.checkForRoad)
					{
						component.OnAdjacentRoadsChanged(roadTile);
					}
				}
			}
		}

		private void NotifyRoadsOfRoadChange(GridTile tile)
		{
			if (this.grid == null)
			{
				return;
			}
			Road component = tile.GetComponent<Road>();
			if (component != null)
			{
				component.UpdateSprite();
				GridIndex index = tile.index;
				index.v--;
				Builder.TryUpdateRoadAt(component, this.grid, index);
				index.v++;
				index.u++;
				Builder.TryUpdateRoadAt(component, this.grid, index);
				index.u--;
				index.v++;
				Builder.TryUpdateRoadAt(component, this.grid, index);
				index.v--;
				index.u--;
				Builder.TryUpdateRoadAt(component, this.grid, index);
				index.u++;
				this.NotifyBuildingsOfRoadChange(tile);
			}
		}

		[SelfReference]
		public IsometricIsland island;

		[ChildReference]
		public IsometricGrid grid;

		private bool _isBuilding;

		private GridTile _currentTile;

		private bool _isBuildingRoad;

		private GameObject _currentRoadPrefab;

		private int _currentRoadType;

		private List<GridTile> _currentRoadTiles;

		private List<KeyValuePair<GridTile, GridIndex>> _removedRoadTiles;

		private GridIndex _originalIndex;

		private bool _tilesHidden;

		private bool _roadsHidden;

		private object _hideOverlayRequest = new object();

		private object _usingOverlayRequest = new object();

		public delegate void TileBuilt(GridTile tile);

		public delegate void TileDestroyed(GridTile tile, GridTile.Status priorStatus);
	}
}