static void CreateSingleImageTilesetPaths(TSX.Tileset tileset, string pathWithoutFile, string tilesetSpriteTargetDir, string tilesetTileTargetDir, out string imageSourcePath, out string imageTargetPath, out string[] tileTargetPaths)
{
imageSourcePath = tileset.image.source;
imageSourcePath = Path.Combine(pathWithoutFile, imageSourcePath);
string imageName = Path.GetFileName(imageSourcePath);
imageTargetPath = Path.Combine(tilesetSpriteTargetDir, imageName);
int tileCount = tileset.GetTileCount();
tileTargetPaths = new string[tileCount];
for (int i = 0; i < tileCount; i++)
{
string tileName = Path.GetFileNameWithoutExtension(imageSourcePath) + "_" + i + ".asset";
tileTargetPaths[i] = Path.Combine(tilesetTileTargetDir, tileName);
}
}
static bool CreateTilemapSprite(string targetPath, int cellWidth, int cellHeight, int pixelsPerUnit, TSX.Tileset tileset, string subSpriteNameBase, out Sprite[] tileSprites)
{
TextureImporter ti = AssetImporter.GetAtPath(targetPath) as TextureImporter;
if (ti == null)
{
tileSprites = new Sprite[0];
Debug.LogError("Cannot find tilemap sprite file at " + targetPath);
return(false);
}
TextureImporterSettings textureSettings = new TextureImporterSettings();
ti.ReadTextureSettings(textureSettings);
SpriteMeshType meshType = SpriteMeshType.FullRect;
SpriteAlignment alignment = SpriteAlignment.Custom;
Vector2 pivot = new Vector2(0.5f, 0.5f); // For the whole tileset sprite, so not important
FilterMode filterMode = FilterMode.Point;
SpriteImportMode importMode = SpriteImportMode.Multiple;
bool fallbackPhysicsShape = true;
if (textureSettings.spritePixelsPerUnit != pixelsPerUnit ||
textureSettings.spriteMeshType != meshType ||
textureSettings.spriteAlignment != (int)alignment ||
textureSettings.spritePivot != pivot ||
textureSettings.filterMode != filterMode ||
textureSettings.spriteMode != (int)importMode ||
textureSettings.spriteGenerateFallbackPhysicsShape != fallbackPhysicsShape)
{
textureSettings.spritePixelsPerUnit = pixelsPerUnit;
textureSettings.spriteMeshType = meshType;
textureSettings.spriteAlignment = (int)alignment;
textureSettings.spritePivot = pivot;
textureSettings.filterMode = filterMode;
textureSettings.spriteMode = (int)importMode;
textureSettings.spriteGenerateFallbackPhysicsShape = fallbackPhysicsShape;
ti.SetTextureSettings(textureSettings);
int tileCount = tileset.GetTileCount();
List <SpriteMetaData> newData = new List <SpriteMetaData>(tileCount);
int i = 0;
for (int y = tileset.image.height - tileset.margin; (y - tileset.tileheight >= tileset.margin); y -= tileset.tileheight + tileset.spacing)
{
for (int x = tileset.margin; x + tileset.tilewidth <= tileset.image.width - tileset.margin; x += tileset.tilewidth + tileset.spacing)
{
SpriteMetaData data = new SpriteMetaData();
data.name = subSpriteNameBase + "_" + i;
data.alignment = (int)alignment;
data.pivot = GetPivot(tileset.tilewidth, tileset.tileheight, cellWidth, cellHeight);
data.rect = new Rect(x, y - tileset.tileheight, tileset.tilewidth, tileset.tileheight);
newData.Add(data);
i++;
if (i >= tileCount)
{
break;
}
}
if (i >= tileCount)
{
break;
}
}
ti.spritesheet = newData.ToArray();
EditorUtility.SetDirty(ti);
ti.SaveAndReimport();
}
Sprite[] subSprites = AssetDatabase.LoadAllAssetsAtPath(targetPath).OfType <Sprite>().ToArray();
// For some reason Unity thinks it's smart to return the sub-sprites in random order...
// ...and provide no API for retrieving sub-sprites by index >_<
// so we have to manually sort them by the ids in their names
Array.Sort <Sprite>(subSprites, new SpriteComparer());
tileSprites = subSprites;
return(true);
}