1 files changed, 58 insertions, 0 deletions
diff --git a/hw/clef/nix/model.nix b/hw/clef/nix/model.nix
new file mode 100644
index 0000000..da8be82
--- /dev/null
+++ b/hw/clef/nix/model.nix
@@ -0,0 +1,58 @@
+{
+  kicad,
+  runCommand,
+
+  nix-filter,
+  lib,
+
+  withTracks ? false,
+  withZones ? false,
+
+  src,
+  pcb_path,
+
+  boardName ? (lib.removeSuffix ".kicad_pcb" (builtins.baseNameOf pcb_path)),
+}: let
+  zonesArg = if withZones then "--include-zones" else "";
+  tracksArg = if withTracks then "--include-tracks" else "";
+  sharePath = "share/npry/clef/model";
+
+in runCommand "${boardName}.model" {
+  nativeBuildInputs = [
+    kicad
+  ];
+
+  src = nix-filter {
+    root = src;
+
+    include = [
+      (nix-filter.matchExt "kicad_pcb")
+      (nix-filter.matchExt "kicad_pro")
+
+      (nix-filter.matchExt "stp")
+      (nix-filter.matchExt "STP")
+      (nix-filter.matchExt "step")
+      (nix-filter.matchExt "STEP")
+      (nix-filter.matchExt "wrl")
+
+      (_args: path: type: type == "directory")
+    ];
+  };
+
+  allowedRequisites = [];
+
+  KICAD8_3DMODEL_DIR = "${kicad.libraries.packages3d}/share/kicad/3dmodels";
+} ''
+  set -e
+
+  export HOME=$(mktemp -d)
+
+  echo "board: '${boardName}'" >&2
+  echo "KICAD8_3DMODEL_DIR: $KICAD8_3DMODEL_DIR" >&2
+
+  mkdir -p $out/${sharePath}
+  cd "$src"
+
+  kicad-cli pcb export step --subst-models --no-dnp ${tracksArg} ${zonesArg} "${pcb_path}" -o "$out/${sharePath}/${boardName}.step"
+  kicad-cli pcb export glb  --subst-models --no-dnp ${tracksArg} ${zonesArg} "${pcb_path}" -o "$out/${sharePath}/${boardName}.glb"
+''