Fix bin_comp and factor out Patch struct to base lib.

bin_comp/Cargo.toml

@@ -7,6 +7,6 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0"
-serde = { version = "1.0", features = ["derive"] }
+enemize = { path = "../enemize" }
 serde_json = "1.0"
 tempfile = "3"

bin_comp/src/main.rs

@@ -1,25 +1,15 @@
 use std::env::args;
-use std::io::{self, Read, Write};
+use std::ffi::OsString;
+use std::fs::File;
+use std::io::{Read, Seek, Write};
 use std::iter::zip;
+use std::path::Path;
 use std::process::Command;
+use std::str::FromStr;
 
-use serde::Serialize;
+use tempfile::NamedTempFile;
-use tempfile::NamedTempfile;
 
-#[derive(Serialize)]
+use enemize::Patch;
-struct Patch {
-    pub address: usize,
-    pub patch_data: Vec<u8>,
-}
-
-impl Patch {
-    fn new() -> Patch {
-        Patch {
-            address: 0,
-            patch_data: vec![],
-        }
-    }
-}
 
 fn main() -> Result<(), anyhow::Error> {
     println!("BinComp ---- ");
@@ -32,43 +22,55 @@ fn main() -> Result<(), anyhow::Error> {
 
     let mut zeroes_patch = vec![];
 
-    let (mut zeroes_file, zeroes_path) = NamedTempfile::new()?;
+    let mut zeroes_file = NamedTempFile::new()?;
-    let (mut ones_file, ones_path) NamedTempfile::new()?;
+    let mut ones_file = NamedTempFile::new()?;
 
-    println!("temp file (zeros): {}", zeroes_file.path());
+    println!(
-    println!("temp file (0xFF): {}", ones_file.path());
+        "temp file (zeros): {}",
+        zeroes_file.path().to_string_lossy()
+    );
+    println!("temp file (0xFF): {}", ones_file.path().to_string_lossy());
 
-    run_asar(&asm_fn, zeroes_file.path(), &symbols);
+    run_asar(asm_fn.as_ref(), zeroes_file.path(), symbols_fn.as_ref());
 
     println!("Reading all 0x00 file.");
-    zeroes_file.read(&mut zeroes_patch)?;
+    zeroes_file.read_to_end(&mut zeroes_patch)?;
     println!("Read all 0x00 file.");
 
     println!("Generating all 0xFF file.");
-    let mut all_ones = vec![0xff; zeroes_patch.len()];
+    let all_ones = vec![0xff; zeroes_patch.len()];
     ones_file.write_all(&all_ones)?;
     ones_file.flush()?;
     println!("Generated all 0xFF file.");
 
-    run_asar(&asm_fn, ones_file.path(), &symbols);
+    run_asar(asm_fn.as_ref(), ones_file.path(), symbols_fn.as_ref());
 
     println!("Reading all 0xFF patched file.");
     let mut ones_patch = vec![];
-    ones_file.rewind()?.read_to_end(&mut ones_patch)?;
+    ones_file.rewind()?;
+    ones_file.read_to_end(&mut ones_patch)?;
     println!("Read all 0xFF patched file.");
 
-    assert!(zeroes_patch.len() == ones_patch.len(), "File lengths don't match! Aborting.");
+    assert!(
+        zeroes_patch.len() == ones_patch.len(),
+        "File lengths don't match (0: {}, 1: {})! Aborting.",
+        zeroes_patch.len(),
+        ones_patch.len()
+    );
 
     println!("");
 
-    let list = zip(zeroes_patch, ones_patch).enumerate().fold((true, Vec::new()), |(start, list), &(i, (zero, ff))| {
+    let (_, list) = zip(zeroes_patch, ones_patch).enumerate().fold((true, Vec::new()), |(start, mut list), (i, (zero, ff))| {
         if zero == ff {
             if start {
                 println!("New patch data found at address {:X}", i);
                 let patch = Patch { address: i, patch_data: vec![] };
                 list.push(patch);
             }
-            list.last_mut().and_then(|p| p.patch_data.push(zero));
+            list.last_mut().and_then(|p| {
+                p.patch_data.push(zero);
+                Some(p)
+            });
 
             (false, list)
         } else {
@@ -79,21 +81,26 @@ fn main() -> Result<(), anyhow::Error> {
     });
 
     println!("Writing patch data file.");
-    let mut bp_file = File::create(&base_patch)?;
+    let bp_file = File::create(&base_patch)?;
     serde_json::to_writer(bp_file, &list)?;
 
     println!("Cleaning up temp files.");
     println!("BinComp finished ----");
+
+    Ok(())
 }
 
-fn run_asar(asm: &AsRef<PathBuf>, rom: &AsRef<PathBuf>, symbols: &AsRef<PathBuf>) {
+fn run_asar(asm: &Path, rom: &Path, symbols: &Path) {
-    println!("---- Running asar --no-title-check --fix-checksum=off --symbols=wla --symbols-path={} {} {} ----", symbols, asm, rom);
+    println!("---- Running asar --no-title-check --fix-checksum=off --symbols=wla --symbols-path={} {} {} ----", symbols.to_string_lossy(), asm.to_string_lossy(), rom.to_string_lossy());
+
+    let mut symbols_path_arg = OsString::from_str("--symbols-path=").unwrap();
+    symbols_path_arg.push(symbols);
 
     let status = Command::new("asar")
         .arg("--no-title-check")
         .arg("--fix-checksum=off")
         .arg("--symbols=wla")
-        .arg(format!("--symbols-path={}", symbols))
+        .arg(symbols_path_arg)
         .arg(asm)
         .arg(rom)
         .status()

enemize/Cargo.toml

@@ -6,4 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-md5 = "0.7.0"
+serde = { version = 1.0, features = ["derive"] }

enemize/src/lib.rs

@@ -0,0 +1,42 @@
+use std::io::Read;
+use std::path::{Path, PathBuf};
+
+use serde::Serialize;
+
+pub mod rom;
+
+#[derive(Serialize)]
+pub struct Patch {
+    pub address: usize,
+    pub patch_data: Vec<u8>,
+}
+
+#[derive(Serialize)]
+pub struct PatchSet {
+    filename: PathBuf,
+    patches: Vec<Patch>
+}
+
+impl PatchSet {
+    pub fn load(filename: Path) -> Result<PatchSet, anyhow::Error> {
+        let patches = {
+            let mut file = File::open(filename)?;
+            let mut buffer = std::io::BufReader::new(file);
+            serde_json::from_reader(buffer)?
+        };
+        PatchSet {
+            filename: filename.into(),
+            patches: patches
+        }
+    }
+
+    pub fn filename(&self) -> Path {
+        self.filename.as_path()
+    }
+
+    pub fn patchRom(&self, &mut rom: RomData) {
+        for patch in self.patches {
+            rom.patch_data(patch);
+        }
+    }
+}

enemize/src/rom.rs

@@ -0,0 +1,7 @@
+const ENEMIZER_INFO_SEED_OFFSET: usize = 0;
+const ENEMIZER_INFO_SEED_LENGTH: usize = 12;
+const ENEMIZER_INFO_VERSION_OFFSET: usize = ENEMIZER_INFO_SEED_OFFSET + ENEMIZER_INFO_SEED_LENGTH;
+const ENEMIZER_INFO_VERSION_LENGTH: usize = 8;
+const ENEMIZER_INFO_FLAGS_OFFSET: usize = ENEMIZER_INFO_VERSION_OFFSET + ENEMIZER_INFO_VERSION_LENGTH;
+const ENEMIZER_INFO_FLAGS_LENGTH: usize = 0x50;
+