/// <summary>
/// Update the Texture2D used as an array in the shader.
/// </summary>
private void UpdateLayerDataArray()
{
int width = tilemapLayerList.Count;
Color32[] layerData = new Color32[width];
TilePalette[] paletteList = new TilePalette[width];
for (int i = 0; i < width; i++)
{
paletteList[i] = tilemapLayerList[i].tilePalette;
if (paletteList[i])
{
layerData[i].r = (byte)paletteList[i].tilesCount;
}
layerData[i].g = (byte)(tilemapLayerList[i].intensity * 255);
}
DestroyImmediate(layerArrayTexture, true);
layerArrayTexture = new Texture2D(width, 1, TextureFormat.RGBA32, false)
{
name = "Layer Array Texture",
filterMode = FilterMode.Point,
wrapMode = TextureWrapMode.Clamp,
anisoLevel = 0
};
// Apply the changes to the layer data texture
layerArrayTexture.SetPixels32(layerData);
layerArrayTexture.Apply();
// Save the layer data texture as .asset file
AssetDatabase.AddObjectToAsset(layerArrayTexture, tilemapData);
AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(layerArrayTexture));
}
/// <summary>
/// Updates the 3D Tileset texture when any important settings are changed.
/// </summary>
private void UpdateTilesetTexture()
{
// Get the tile palette of each layer
TilePalette[] paletteList = new TilePalette[tilemapLayerList.Count];
for (int i = 0; i < tilemapLayerList.Count; i++)
{
paletteList[i] = tilemapLayerList[i].tilePalette;
}
// Get the total number of tiles in all the palettes
var tilesCount = 0;
for (var i = 0; i < paletteList.Length; i++)
{
if (paletteList[i])
{
tilesCount += paletteList[i].tilesCount;
// Return if the tile palette is empty
if (paletteList[i].tilesCount == 0)
{
Debug.LogWarning("<b>3D Tilemap System:</b> Can't pack the 3D Tileset texture because the Tile Palette field of the Layer" + i + " is empty. Please, add the tiles to the Tile Palette first and try to regenerate the Tilemap Data again.");
return;
}
// Return if the tiles size in the palette do not match with the 3D Tileset texture size
if (paletteList[i].tileSize != tilesetSize)
{
Debug.LogWarning("<b>3D Tilemap System:</b> Can't pack the 3D Tileset texture because the tiles size in the Tile Palette of the Layer" + i + " do not match with the 3D Tileset texture size.");
return;
}
}
else
{
// Return if there is no tile palette attached to some layer
Debug.LogWarning("<b>3D Tilemap System:</b> Can't pack the 3D Tileset texture because the Tile Palette field of the Layer" + i + " is null. Please, attach a Tile Palette to it and try to regenerate the Tilemap Data again.");
return;
}
}
// Delete the existing 3D Tileset texture before creating a new one
DestroyImmediate(tilesetTexture, true);
// Initialize the tileset texture
tilesetTexture = new Texture3D(tilesetSize, tilesetSize, tilesCount + 1, TextureFormat.RGBA32, false)
{
name = "Tileset Texture",
filterMode = FilterMode.Point,
wrapMode = TextureWrapMode.Repeat,
anisoLevel = 0
};
// Pack the tiles from paletteList[] to Texture3D
Color[] tilesetColor = tilesetTexture.GetPixels();
int layer = 0;
int index = 0;
int tileSize = tilesetTexture.width;
for (int z = 0; z < tilesCount; z++)
{
var tileColor = paletteList[layer].temporaryTileTextureArray[index].GetPixels32();
for (int y = 0; y < tileSize; y++)
{
for (int x = 0; x < tileSize; x++)
{
tilesetColor[x + (y * tileSize) + (z * tileSize * tileSize)] = tileColor[x + (y * tileSize)];
}
}
index++;
if (index >= paletteList[layer].tilesCount)
{
index = 0;
layer++;
}
}
// Apply the changes to the tileset texture
tilesetTexture.SetPixels(tilesetColor);
tilesetTexture.Apply();
// Save the tileset texture as .asset file
AssetDatabase.AddObjectToAsset(tilesetTexture, tilemapData);
AssetDatabase.ImportAsset(AssetDatabase.GetAssetPath(tilesetTexture));
}
