private void LoadTextureIndex()
{
List <Texture2D> individualTextures = blocks.GetAllUniqueTextures();
Texture2D neutralTexture = new Texture2D(blocks.TextureSize, blocks.TextureSize)
{
name = NO_TEXTURE_NAME
};
for (int x = 0; x < neutralTexture.width; x++)
{
for (int y = 0; y < neutralTexture.height; y++)
{
neutralTexture.SetPixel(x, y, Color.white);
}
}
neutralTexture.Apply(false);
for (int i = 0; i < individualTextures.Count; i++)
{
if (individualTextures[i] == null)
{
individualTextures[i] = neutralTexture;
}
Assert.IsTrue(individualTextures[i].width == blocks.TextureSize, individualTextures[i].name + " width must be the same as texture size!");
Assert.IsTrue(individualTextures[i].height == blocks.TextureSize, individualTextures[i].name + " height must be the same as texture size!");
Assert.IsTrue(individualTextures[i].isReadable == true, individualTextures[i].name + " must be marked as readbale!");
}
// Generate atlas
Texture2D packedTextures = new Texture2D(0, 0, TextureFormat.ARGB32, 0, false);
Rect[] rects = packedTextures.PackTextures(individualTextures.ToArray(), 0, 8192, false);
// Transfer over the pixels to another texture2d because PackTextures resets the texture format and useMipMaps settings
atlas = new Texture2D(packedTextures.width, packedTextures.height, config.AtlasFormat, config.UseMipMaps);
atlas.SetPixels(packedTextures.GetPixels(0, 0, packedTextures.width, packedTextures.height));
atlas.filterMode = config.AtlasFiltering;
atlas.Apply();
int index = 0;
textures.Clear();
for (int i = 0; i < individualTextures.Count; i++)
{
Rect uvs = rects[index];
if (!textures.TryGetValue(individualTextures[i].name, out TextureCollection collection))
{
collection = new TextureCollection(individualTextures[i].name, TextureConfigType.Simple);
textures.Add(individualTextures[i].name, collection);
}
//collection.AddTexture(uvs, new TextureConfig.Texture() { weight = 1, index = 0 });
collection.AddTexture(new Vector2Int((int)(atlas.width * uvs.x / 128), (int)(atlas.height * uvs.y / 128)));
index++;
}
}
public override bool OnSetUp(BlockConfigObject config, World world)
{
if (!base.OnSetUp(config, world))
{
return(false);
}
if (config is CrossMeshConfigObject crossMeshConfig)
{
texture = world.textureProvider.GetTextureCollection(crossMeshConfig.Texture.texture);
color = crossMeshConfig.Texture.color;
}
else
{
Debug.LogError(config.GetType().Name + " config passed to cross mesh block.");
return(false);
}
return(true);
}
public static void PrepareTexture(Vector3[] verts, Vector4[] data, Direction direction, TextureCollection textureCollection, bool rotated)
{
Vector2Int texture = textureCollection.GetTexture();
bool backface = DirectionUtils.IsBackface(direction);
PrepareTexture(data, verts, direction, texture, rotated, backface);
}