Refactor asset packs to build properly with fbt

scripts/assets.py

@@ -2,9 +2,7 @@
 
 import os
 import shutil
-import pathlib
 
-import asset_packer
 from flipper.app import App
 from flipper.assets.icon import file2image
 
@@ -103,6 +101,17 @@ class Main(App):
         )
         self.parser_dolphin.set_defaults(func=self.dolphin)
 
+        self.parser_packs = self.subparsers.add_parser(
+            "packs", help="Assemble asset packs"
+        )
+        self.parser_packs.add_argument(
+            "input_directory", help="Packs source directory"
+        )
+        self.parser_packs.add_argument(
+            "output_directory", help="Packs output directory"
+        )
+        self.parser_packs.set_defaults(func=self.packs)
+
     def _icon2header(self, file):
         image = file2image(file)
         return image.width, image.height, image.data_as_carray()
@@ -284,14 +293,6 @@ extern const size_t ICON_PATHS_COUNT;
         else:
             self.logger.info("Manifest is up-to-date!")
 
-        self.logger.info("Packing custom asset packs")
-        root_dir = pathlib.Path(__file__).absolute().parent.parent
-        asset_packer.pack(
-            root_dir / "assets/packs",
-            root_dir / f"assets/resources/asset_packs",
-            self.logger.info,
-        )
-
         self.logger.info("Complete")
 
         return 0
@@ -331,6 +332,19 @@ extern const size_t ICON_PATHS_COUNT;
 
         return 0
 
+    def packs(self):
+        import asset_packer
+
+        self.logger.info("Packing custom asset packs")
+        asset_packer.pack(
+            self.args.input_directory,
+            self.args.output_directory,
+            self.logger.info,
+        )
+        self.logger.info("Finished custom asset packs")
+
+        return 0
+
 
 if __name__ == "__main__":
     Main()()

scripts/fbt_tools/fbt_assets.py

@@ -67,6 +67,28 @@ def _dolphin_emitter(target, source, env):
     return target, source
 
 
+def _packs_emitter(target, source, env):
+    source_dir = source[0]
+    target_dir = target[0]
+    env.Replace(_PACKS_OUT_DIR=target_dir)
+    env.Replace(_PACKS_SRC_DIR=source_dir)
+
+    target = [
+        target_dir.File(source_dir.rel_path(node))
+        for node in env.GlobRecursive("*/Anims/manifest.txt", source_dir.srcnode())
+    ]
+    target.extend(
+        target_dir.File(source_dir.rel_path(node).removesuffix(".png") + ".bm")
+        for node in env.GlobRecursive("*/Anims/**/*.png", source_dir.srcnode())
+    )
+    target.extend(
+        target_dir.File(source_dir.rel_path(node).removesuffix(".png") + ".bmx")
+        for node in env.GlobRecursive("*/Icons/**/*.png", source_dir.srcnode())
+    )
+
+    return target, source
+
+
 def __invoke_git(args, source_dir):
     cmd = ["git"]
     cmd.extend(args)
@@ -146,6 +168,7 @@ def generate(env):
             ICONSCOMSTR="\tICONS\t${TARGET}",
             PROTOCOMSTR="\tPROTO\t${SOURCE}",
             DOLPHINCOMSTR="\tDOLPHIN\t${DOLPHIN_RES_TYPE}",
+            PACKSCOMSTR="\tPACKS\t${SOURCE}",
             PBVERCOMSTR="\tPBVER\t${TARGET}",
         )
 
@@ -218,6 +241,21 @@ def generate(env):
                 ),
                 emitter=_dolphin_emitter,
             ),
+            "AssetPacksBuilder": Builder(
+                action=Action(
+                    [
+                        [
+                            "${PYTHON3}",
+                            "${ASSETS_COMPILER}",
+                            "packs",
+                            "${_PACKS_SRC_DIR}",
+                            "${_PACKS_OUT_DIR}",
+                        ],
+                    ],
+                    "${PACKSCOMSTR}",
+                ),
+                emitter=_packs_emitter,
+            ),
             "ProtoVerBuilder": Builder(
                 action=Action(
                     _proto_ver_generator,