vendor flips and add ninja task for it

.github/workflows/build.yaml

@@ -20,12 +20,6 @@ jobs:
         uses: cargo-bins/cargo-binstall@main
       - name: Install pigment64
         run: cargo binstall pigment64 -y
-      - name: Setup Flips
-        run: |
-          curl -L https://dl.smwcentral.net/11474/floating.zip -o floating.zip
-          unzip floating.zip
-          rm floating.zip
-          chmod +x flips-linux
       - name: Download baserom
         run: curl -L $BASEROM_US_URL -o ver/us/baserom.z64
         env:
@@ -35,15 +29,12 @@ jobs:
       - name: Configure
         run: ./configure
       - name: Build
-        run: ninja
-      - name: Create patch file
-        # flips works but returns a non-zero exit code if the rom shrunk
-        run: ./flips-linux ver/us/baserom.z64 ver/us/build/papermario.z64 papermario.bps || true
+        run: ninja ver/us/build/papermario.bps
       - name: Upload patch as artifact
         uses: actions/upload-artifact@v2
         with:
           name: papermario.bps
-          path: papermario.bps
+          path: ver/us/build/papermario.bps
   prerelease:
     name: Prerelease
     runs-on: ubuntu-latest

tools/build/configure.py

@@ -328,6 +328,8 @@ def write_ninja_rules(
 
     ninja.rule("pm_sbn", command=f"$python {BUILD_TOOLS}/audio/sbn.py $out $asset_stack")
 
+    ninja.rule("flips", command=f"bash -c '{BUILD_TOOLS}/floating/flips $baserom $in $out || true'")
+
 
 def write_ninja_for_tools(ninja: ninja_syntax.Writer):
     ninja.rule(
@@ -427,6 +429,12 @@ def rom_path(self) -> Path:
     def rom_ok_path(self) -> Path:
         return self.elf_path().with_suffix(".ok")
 
+    def patch_path(self) -> Path:
+        return self.elf_path().with_suffix(".bps")
+
+    def baserom_path(self) -> Path:
+        return Path(f"ver/{self.version}/baserom.z64")
+
     def linker_script_path(self) -> Path:
         # TODO: read from splat.yaml
         return Path(f"ver/{self.version}/papermario.ld")
@@ -1253,6 +1261,13 @@ def build(
                 implicit=[str(self.rom_path())],
             )
 
+        ninja.build(
+            str(self.patch_path()),
+            "flips",
+            str(self.rom_path()),
+            variables={"baserom": str(self.baserom_path())},
+        )
+
         ninja.build("generated_code_" + self.version, "phony", generated_code)
         ninja.build("inc_img_bins_" + self.version, "phony", inc_img_bins)
 

tools/build/floating/license.txt

@@ -0,0 +1,11 @@
+Flips is licensed under GNU General Public License, version 3.0 or higher. The full legal text can
+  be found in boring.zip; a rough interpretation (for non-lawyers only) follows:
+
+- You must credit the author. Don't claim it as your own. You may modify it and take credit for your
+  modifications, but the author (Alcaro) must be credited for the original software.
+- If you modify this software, it must clearly be labeled as a modification.
+- Any applications containing any part of this software must provide the full source code needed to
+  modify and rebuild this application, under the same license. Including this interpretation is
+  optional.
+- The author claims no copyright over input, output, or error messages generated by this tool. Use
+  it however you want.