[FL-3174] Dolphin builder in ufbt; minor ufbt/fbt improvements (#2601)

* ufbt: added "dolphin_ext" target (expects "external" subfolder in cwd with dolphin assets); cleaned up unused code
* ufbt: codestyle fixes
* scripts: fixed style according to ruff linter
* scripts: additional cleanup & codestyle fixes
* github: pass target hw code when installing local SDK with ufbt
* ufbt: added error message for missing folder in dolphin builder
* scripts: more linter fixes
* sdk: added flipper_format_stream; ufbt: support for --extra-define
* fbt: reduced amount of global defines
* scripts, fbt: rearranged imports

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>

scripts/ufbt/SConstruct

@@ -1,7 +1,6 @@
 from SCons.Platform import TempFileMunge
 from SCons.Node import FS
 from SCons.Errors import UserError
-from SCons.Warnings import warn, WarningOnByDefault
 
 
 import os
@@ -14,6 +13,7 @@ SetOption("max_drift", 1)
 
 ufbt_state_dir = Dir(os.environ.get("UFBT_STATE_DIR", "#.ufbt"))
 ufbt_script_dir = Dir(os.environ.get("UFBT_SCRIPT_DIR"))
+ufbt_build_dir = ufbt_state_dir.Dir("build")
 
 ufbt_current_sdk_dir = ufbt_state_dir.Dir("current")
 
@@ -63,16 +63,7 @@ core_env = Environment(
     ],
 )
 
-if "update" in BUILD_TARGETS:
-    SConscript(
-        "update.scons",
-        exports={"core_env": core_env},
-    )
-
-if "purge" in BUILD_TARGETS:
-    core_env.Execute(Delete(ufbt_state_dir))
-    print("uFBT state purged")
-    Exit(0)
+core_env.Append(CPPDEFINES=GetOption("extra_defines"))
 
 # Now we can import stuff bundled with SDK - it was added to sys.path by ufbt_state
 
@@ -109,7 +100,7 @@ env = core_env.Clone(
         "fbt_assets",
         ("compilation_db", {"COMPILATIONDB_COMSTR": "\tCDB\t${TARGET}"}),
     ],
-    FBT_FAP_DEBUG_ELF_ROOT=ufbt_state_dir.Dir("build"),
+    FBT_FAP_DEBUG_ELF_ROOT=ufbt_build_dir,
     TEMPFILE=TempFileMunge,
     MAXLINELENGTH=2048,
     PROGSUFFIX=".elf",
@@ -427,3 +418,25 @@ dist_env.PhonyTarget(
     "get_apiversion",
     "@echo $( ${UFBT_API_VERSION} $)",
 )
+
+# Dolphin animation builder. Expects "external" directory in current dir
+# with animation sources & manifests. Builds & uploads them to connected Flipper
+dolphin_src_dir = original_app_dir.Dir("external")
+if dolphin_src_dir.exists():
+    dolphin_dir = ufbt_build_dir.Dir("dolphin")
+    dolphin_external = dist_env.DolphinExtBuilder(
+        ufbt_build_dir.Dir("dolphin"),
+        original_app_dir,
+        DOLPHIN_RES_TYPE="external",
+    )
+    dist_env.PhonyTarget(
+        "dolphin_ext",
+        '${PYTHON3} ${FBT_SCRIPT_DIR}/storage.py send "${SOURCE}" /ext/dolphin',
+        source=ufbt_build_dir.Dir("dolphin"),
+    )
+else:
+
+    def missing_dolphin_folder(**kw):
+        raise UserError(f"Dolphin folder not found: {dolphin_src_dir}")
+
+    dist_env.PhonyTarget("dolphin_ext", Action(missing_dolphin_folder, None))