public static Tileset CreateTilesetFromTmx(string tmxFilePath, string dstPath)
{
string tmxFileName = Path.GetFileNameWithoutExtension(tmxFilePath);
TmxTilemap tilemap = TmxTilemap.LoadFromFile(tmxFilePath);
if (tilemap.DicTilesetTex2D.Values.Count == 0)
{
return(null);
}
//NOTE: calling this after PackTextures will make the atlasTexture to be null sometimes
Tileset tilesetAsset = ScriptableObject.CreateInstance <Tileset>();
string tilesetAssetPath = Path.Combine(dstPath, tmxFileName + "Tileset.asset");
AssetDatabase.CreateAsset(tilesetAsset, tilesetAssetPath);
Texture2D atlasTexture;
Rect[] tilesetRects;
if (tilemap.DicTilesetTex2D.Values.Count == 1)
{
atlasTexture = tilemap.DicTilesetTex2D.Values.ToArray()[0].tilesetTexture;
tilesetRects = new Rect[] { new Rect(0, 0, atlasTexture.width, atlasTexture.height) };
}
else
{
atlasTexture = new Texture2D(8192, 8192, TextureFormat.ARGB32, false, false);
tilesetRects = atlasTexture.PackTextures(tilemap.DicTilesetTex2D.Values.Select(x => x.tilesetTexture).ToArray(), 0, 8192);
}
string atlasPath = Path.GetDirectoryName(AssetDatabase.GetAssetPath(tilesetAsset)) + "/" + tmxFileName + "Atlas.png";
atlasTexture.hideFlags = HideFlags.None;
AssetDatabase.CreateAsset(atlasTexture, atlasPath);
atlasTexture.hideFlags = HideFlags.DontSave;
File.WriteAllBytes(atlasPath, atlasTexture.EncodeToPNG());
ImportTexture(atlasPath);
AssetDatabase.Refresh();
//NOTE: tilesetAsset is sometimes nulled after calling Refresh
tilesetAsset = AssetDatabase.LoadAssetAtPath <Tileset>(tilesetAssetPath);
// Link Atlas with asset to be able to save it in the prefab
tilesetAsset.AtlasTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(atlasPath, typeof(Texture2D));
tilesetAsset.TilePxSize = new Vector2(tilemap.Map.Tilesets[0].TileWidth, tilemap.Map.Tilesets[0].TileHeight);
int tilesetIdx = 0;
List <Tile> tileList = new List <Tile>();
foreach (TmxTilemap.TilesetTextureData tilesetTextureData in tilemap.DicTilesetTex2D.Values)
{
TmxTileset tmxTileset = tilemap.Map.Tilesets[tilesetIdx];
Vector2 tileSize = new Vector2(tilemap.Map.Tilesets[tilesetIdx].TileWidth, tilemap.Map.Tilesets[tilesetIdx].TileHeight);
Rect[] tileRects = tilesetTextureData.isCollectionOfSprites?
tilesetTextureData.tileRects
:
GenerateGridSpriteRectangles(tilesetTextureData.tilesetTexture, new Vector2(tmxTileset.Margin, tmxTileset.Margin), tileSize, new Vector2(tmxTileset.Spacing, tmxTileset.Spacing));
TileSelection tilesetSelection = tilesetTextureData.isCollectionOfSprites?
new TileSelection(tilesetTextureData.tileIds.Select(i => (uint)i).ToList(), tmxTileset.Columns)
:
new TileSelection(Enumerable.Range(tileList.Count, tileRects.Length).Select(i => (uint)i).ToList(), tmxTileset.Columns);
for (int i = 0; i < tileRects.Length; ++i)
{
// fill with padding tiles the spaces between tiles. In tiled you can remove and add tiles to sprite collections tileset, so the ids could not be consecutive.
if (tilesetTextureData.isCollectionOfSprites)
{
int paddingTiles = i == 0? tilesetTextureData.tileIds[i] : (tilesetTextureData.tileIds[i] - tilesetTextureData.tileIds[i - 1]) - 1;
if (paddingTiles > 0)
{
tileList.AddRange(Enumerable.Repeat(default(Tile), paddingTiles));
}
}
Rect tileRect = tileRects[i];
Rect uv = tileRect;
uv.xMin /= tilesetAsset.AtlasTexture.width;
uv.xMax /= tilesetAsset.AtlasTexture.width;
uv.yMin /= tilesetAsset.AtlasTexture.height;
uv.yMax /= tilesetAsset.AtlasTexture.height;
uv.position += tilesetRects[tilesetIdx].position;
tileList.Add(new Tile()
{
uv = uv
});
}
tilesetIdx++;
tilesetAsset.TileViews.Add(new TileView(tilesetTextureData.tilesetTexture.name, tilesetSelection));
}
tilesetAsset.SetTiles(tileList);
//NOTE: sometimes, the asset is not saved, this makes sure tilesetAsset is saved with the new data
TilemapUtilsEditor.CreateOrReplaceAsset <Tileset>(tilesetAsset, tilesetAssetPath);
return(tilesetAsset);
}
public static Tileset CreateTilesetFromTmx(string tmxFilePath, string dstPath)
{
string tmxFileName = Path.GetFileNameWithoutExtension(tmxFilePath);
TmxTilemap tilemap = TmxTilemap.LoadFromFile(tmxFilePath);
if (tilemap.DicTilesetTex2D.Values.Count == 0)
{
return(null);
}
//NOTE: calling this after PackTextures will make the atlasTexture to be null sometimes
Tileset tilesetAsset = ScriptableObject.CreateInstance <Tileset>();
AssetDatabase.CreateAsset(tilesetAsset, Path.Combine(dstPath, tmxFileName + "Tileset.asset"));
Texture2D atlasTexture;
Rect[] tilesetRects;
if (tilemap.DicTilesetTex2D.Values.Count == 1)
{
atlasTexture = tilemap.DicTilesetTex2D.Values.ToArray()[0];
tilesetRects = new Rect[] { new Rect(0, 0, atlasTexture.width, atlasTexture.height) };
}
else
{
atlasTexture = new Texture2D(8192, 8192, TextureFormat.ARGB32, false, false);
tilesetRects = atlasTexture.PackTextures(tilemap.DicTilesetTex2D.Values.ToArray(), 0);
}
string atlasPath = Path.GetDirectoryName(AssetDatabase.GetAssetPath(tilesetAsset)) + "/" + tmxFileName + "Atlas.png";
AssetDatabase.CreateAsset(atlasTexture, atlasPath);
File.WriteAllBytes(atlasPath, atlasTexture.EncodeToPNG());
ImportTexture(atlasPath);
AssetDatabase.Refresh();
// Link Atlas with asset to be able to save it in the prefab
tilesetAsset.AtlasTexture = (Texture2D)AssetDatabase.LoadAssetAtPath(atlasPath, typeof(Texture2D));
tilesetAsset.TilePxSize = new Vector2(tilemap.Map.Tilesets[0].TileWidth, tilemap.Map.Tilesets[0].TileHeight);
int tilesetIdx = 0;
List <Tile> tileList = new List <Tile>();
foreach (Texture2D tilesetTexture in tilemap.DicTilesetTex2D.Values)
{
TmxTileset tmxTileset = tilemap.Map.Tilesets[tilesetIdx];
Vector2 tileSize = new Vector2(tilemap.Map.Tilesets[tilesetIdx].TileWidth, tilemap.Map.Tilesets[tilesetIdx].TileHeight);
Rect[] tileRects = GenerateGridSpriteRectangles(tilesetTexture, new Vector2(tmxTileset.Margin, tmxTileset.Margin), tileSize, new Vector2(tmxTileset.Spacing, tmxTileset.Spacing));
TileSelection tilesetSelection = new TileSelection(Enumerable.Range(tileList.Count, tileRects.Length).Select(i => (uint)i).ToList(), tmxTileset.Columns);
foreach (Rect tileRect in tileRects)
{
Rect uv = tileRect;
uv.xMin /= tilesetAsset.AtlasTexture.width;
uv.xMax /= tilesetAsset.AtlasTexture.width;
uv.yMin /= tilesetAsset.AtlasTexture.height;
uv.yMax /= tilesetAsset.AtlasTexture.height;
uv.position += tilesetRects[tilesetIdx].position;
tileList.Add(new Tile()
{
uv = uv
});
}
tilesetIdx++;
tilesetAsset.TileViews.Add(new TileView(tilesetTexture.name, tilesetSelection));
}
tilesetAsset.SetTiles(tileList);
return(tilesetAsset);
}
