Add voxel data interface

rpnzl · Jul 9, 2020 · f68b971 · f68b971
1 parent 26965b1
commit f68b971
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/lib/vox/data.ex b/lib/vox/data.ex
@@ -0,0 +1,17 @@
+defprotocol Vox.Data do
+    @type no_impl :: nil
+
+    @type faces :: :left | :right | :bottom | :top | :front | :back
+    @type origin :: { faces, faces, faces }
+
+    @spec origin(t) :: origin
+    def origin(data)
+
+    @spec models(t) :: [Vox.Model.t]
+    def models(data)
+
+    @spec impl(t, :model) :: ((t, Vox.Model.id) -> Vox.Model.t | nil) | no_impl
+    @spec impl(t, :model_count) :: (t -> non_neg_integer) | no_impl
+    @spec impl(t, :voxel) :: ((t, Vox.Model.id, Vox.Model.axis, Vox.Model.axis, Vox.Model.axis) -> { :ok, Vox.Voxel.t | nil } | Vox.Model.error(Vox.Model.bounds_error | Vox.Model.unknown_error)) | no_impl
+    def impl(data, op)
+end