Make it run (no actual randomizing yet).

enemize/src/randomize.rs

@@ -0,0 +1,29 @@
+use std::path::Path;
+
+use anyhow::ensure;
+
+use crate::PatchSet;
+use crate::option_flags::OptionFlags;
+use crate::rom::RomData;
+
+impl RomData {
+    pub fn randomize(&mut self, base_patch: &Path, option_flags: OptionFlags, seed: i32) -> anyhow::Result<()> {
+        ensure!(self.is_randomizer(), "Enemizer only supports randomizer ROMs for input.");
+        ensure!(!self.is_race(), "Enemizer does not support race roms.");
+
+        if self.is_enemizer() {
+            // Reuse seed in ROM, not the one given.
+            self.reset_enemizer();
+        } else {
+            self.set_enemizer_seed(seed);
+        }
+
+        self.expand_rom();
+        self.set_info_flags(option_flags)?;
+
+        let patches = PatchSet::load(base_patch)?;
+        patches.patch_rom(self);
+
+        Ok(())
+    }
+}