using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Tilemaps;
using UnityEditor;
public class TerrainTile : Tile
{
[SerializeField] private Sprite[] terrainSprites;
[SerializeField] private Sprite preview;
public override void RefreshTile(Vector3Int position, ITilemap tilemap)
{
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
Vector3Int pos = new Vector3Int(position.x + j, position.y + i, position.z);
if (CheckTerrain(tilemap, pos))
{
tilemap.RefreshTile(pos);
}
}
}
}
public override void GetTileData(Vector3Int position, ITilemap tilemap, ref TileData tileData)
{
//Creating an int mask for which tileoption to choose from
int mask = 0;
if (CheckTerrain(tilemap, position + new Vector3Int(0, 1, 0)))
mask += 1;
if (CheckTerrain(tilemap, position + new Vector3Int(1, 0, 0)))
mask += 2;
if (CheckTerrain(tilemap, position + new Vector3Int(0, -1, 0)))
mask += 4;
if (CheckTerrain(tilemap, position + new Vector3Int(-1, 0, 0)))
mask += 8;
int index = GetIndex((byte)mask);
if (index >= 0 && index <= terrainSprites.Length)
{
tileData.sprite = terrainSprites[index];
}
else
Debug.Log("ERROR: Sprite index beyond sprites array length");
}
private bool CheckTerrain(ITilemap t, Vector3Int pos)
{
return (t.GetTile(pos) == this);
}
private int GetIndex(byte mask)
{
switch (mask)
{
case 0:
case 2:
case 8:
case 10: return 0;
case 4:
case 5:
case 1: return 1;
case 3: return 7;
case 6: return 8;
case 7: return 4;
case 9: return 6;
case 11: return 2;
case 12: return 9;
case 13: return 5;
case 14: return 3;
case 15: return 10;
}
return -1;
}
#if UNITY_EDITOR
[MenuItem("Assets/Create/TerrainTiles")]
public static void CreateTerrainTile()
{
string path = EditorUtility.SaveFilePanelInProject("Save TerrainTiles", "New TerrainTiles", "asset", "");
if (path == "")
return;
AssetDatabase.CreateAsset(ScriptableObject.CreateInstance<TerrainTile>(), path);
}
#endif
}
Anonymous - 2 years ago