Encode first sector

src/Tools/cdtypes/src/cd/sector.rs

@@ -115,4 +115,14 @@ impl Sector {
             Sector::CDXAAudio(_)      => ()
         }
     }
+
+    pub fn finalize(&mut self) {
+        match self {
+            Sector::Audio(_)          => (),
+            Sector::Empty(_)          => (),
+            Sector::CDData(sector)    => sector.finalize(),
+            Sector::CDXAData(sector)  => sector.finalize(),
+            Sector::CDXAAudio(sector) => sector.finalize(),
+        }
+    }
 }

src/Tools/cdtypes/src/types/sector.rs

@@ -80,6 +80,10 @@ impl Header {
         self.sector = sector;
     }
 
+    pub fn get_time(&self) -> Time {
+        Time::from((self.minute.clone(), self.second.clone(), self.sector.clone()))
+    }
+
     pub fn get_mode(&self) -> Result<HeaderMode, u8> {
         match self.mode {
             0 => Ok(HeaderMode::Mode0),

src/Tools/psxcdgen_ex/src/encoder/builder.rs

@@ -0,0 +1,15 @@
+use cdtypes::types::{sector::*, time::Time};
+
+pub fn create_xa_data_for_data(lba: usize, data: &[u8; Mode2Form1::DATA_SIZE]) -> Mode2Form1 {
+    let mut sector = Mode2Form1::new();
+
+    sector.header.set_time(Time::from_lba(lba));
+    sector.sub_header.sub_mode.set_data();
+    sector.data = *data;
+
+    sector
+}
+
+pub fn create_xa_data_zero(lba: usize) -> Mode2Form1 {
+    create_xa_data_for_data(lba, &[0u8; Mode2Form1::DATA_SIZE])
+}

src/Tools/psxcdgen_ex/src/encoder/mod.rs

@@ -1,5 +1,6 @@
-use super::{file_writer::SectorWriter, types::{CDDesc, Error}};
+use super::{file_writer::{Sector, SectorWriter}, types::{CDDesc, Error}};
 
 pub mod psx;
+pub mod builder;
 
 pub type EncoderFunction = fn(CDDesc, &mut dyn SectorWriter) -> Result<(), Error>;

src/Tools/psxcdgen_ex/src/encoder/psx.rs

@@ -1,5 +1,18 @@
-use super::{SectorWriter, {CDDesc, Error}};
+use super::{*, Sector, SectorWriter, {CDDesc, Error}};
+use super::super::types::{layout::Layout, SystemArea};
+
+pub fn encode_psx_image(cd_desc: CDDesc, sec_writer: &mut dyn SectorWriter) -> Result<(), Error> {
+    for element in cd_desc.get_memory_layout() {
+        match element {
+            Layout::SystemArea(system_area) => process_system_area(&system_area.borrow(), sec_writer)?,
+            _                               => ()
+        }
+    }
 
-pub fn encode_psx_image(_: CDDesc, _: &mut dyn SectorWriter) -> Result<(), Error> {
     Err(Error::not_implemented("encode_psx_image"))
+}
+
+fn process_system_area(system_area: &SystemArea, sec_writer: &mut dyn SectorWriter) -> Result<(), Error> {
+
+    sec_writer.write(Sector::CDXAData(builder::create_xa_data_zero(system_area.properties.lba)))
 }

src/Tools/psxcdgen_ex/src/file_writer/bin_cue.rs

@@ -1,5 +1,5 @@
 use std::io::Write;
-use super::{Error, SectorWriter};
+use super::{Error, Sector, SectorWriter};
 
 pub struct BinCueWriter {
     _bin_out:      std::boxed::Box<dyn Write>,
@@ -13,10 +13,16 @@ impl BinCueWriter {
 }
 
 impl SectorWriter for BinCueWriter {
-    fn write(&mut self) -> Result<(), Error> {
-        self.sector_count += 1;
+    fn write(&mut self, mut sector: Sector) -> Result<(), Error> {
+        self.finalize_sector(&mut sector)?;
 
-        Err(Error::not_implemented("write for BinCueWriter"))
+        match sector {
+            Sector::Empty(_)     => Err(Error::not_implemented("Empty sector encoding")),
+            Sector::Audio(_)     => Err(Error::not_implemented("Audio sector encoding")),
+            Sector::CDData(_)    => Err(Error::not_implemented("CD Data sector encoding")),
+            Sector::CDXAData(_)  => Err(Error::not_implemented("CD XA Data sector encoding")),
+            Sector::CDXAAudio(_) => Err(Error::not_implemented("CD XA Audio sector encoding"))
+        }
     }
 
     fn sector_written_count(&self) -> usize {

src/Tools/psxcdgen_ex/src/file_writer/mod.rs

@@ -1,5 +1,7 @@
 pub mod bin_cue;
 
+pub use cdtypes::cd::sector::Sector;
+
 use super::{encoder::EncoderFunction, types::CDDesc};
 use bin_cue::BinCueWriter;
 use std::path::PathBuf;
@@ -10,8 +12,21 @@ pub enum ImageType {
 }
 
 pub trait SectorWriter {
-    fn write(&mut self)            -> Result<(), Error>;
-    fn sector_written_count(&self) -> usize;
+    fn write(&mut self, sector: Sector) -> Result<(), Error>;
+    fn sector_written_count(&self)      -> usize;
+
+    fn finalize_sector(&self, sector: &mut Sector) -> Result<(), Error> {
+        let sectors_written = self.sector_written_count();
+        if let Some(header) = sector.get_header() {
+            let sector_lba = header.get_time().to_lba();
+            if sector_lba != sectors_written {
+                return Err(Error::from_text(format!("Header LBA {} doesn't match written sector count of {}", sector_lba, sectors_written)));
+            }
+        }
+
+        sector.finalize();
+        Ok(())
+    }
 }
 
 pub fn write_image(cd_desc: CDDesc, encoder: EncoderFunction, image_type: ImageType, output_path: PathBuf) -> Result<(), Error> {