From ff2d2a1a246b7721a9eba5ef1e97cd5dc0c65564 Mon Sep 17 00:00:00 2001
From: ashley <ne0ndrag0n@ne0ndrag0n.com>
Date: Sat, 12 Aug 2023 22:57:28 -0400
Subject: [PATCH] Soundtrack module pattern matrix

---
 src/reskit/soundtrack.rs | 36 ++++++++++++++++++++++++++++++++----
 1 file changed, 32 insertions(+), 4 deletions(-)

diff --git a/src/reskit/soundtrack.rs b/src/reskit/soundtrack.rs
index 1c3f1ad..ab77793 100644
--- a/src/reskit/soundtrack.rs
+++ b/src/reskit/soundtrack.rs
@@ -14,13 +14,14 @@ pub enum FrameMode {
 }
 
 pub struct DmfModule {
+    platform: u8,
     version: u8,
     time_base: u8,
     speed_a: u8,
     speed_b: u8,
     frame_mode: FrameMode,
     rows_per_pattern: u32,
-    patterns: u8
+    patterns: Vec<Vec<u8>>
 }
 
 fn get_string( bytes: &mut Iter<'_, u8>, take: usize ) -> Result<String, Box<dyn Error>> {
@@ -125,14 +126,41 @@ impl DmfModule {
 
         println!( "Rows/pattern:\t{}", rows_per_pattern );
 
-        let patterns = get_u8( bytes.by_ref() )?;
+        let patterns_count = get_u8( bytes.by_ref() )?;
 
-        println!( "Patterns:\t{}", patterns );
+        println!( "Patterns:\t{}", patterns_count );
+
+        println!( "\nPattern Matrix:" );
+        let system_total_channels = if platform == DMF_MD {
+            println!( "FM1  FM2  FM3  FM4  FM5  FM6  SN1  SN2  SN3  SN4" );
+            10
+        } else {
+            println!( "FM1  FM2  OP1  OP2  OP3  OP4  FM4  FM5  FM6  SN1  SN2  SN3  SN4" );
+            13
+        };
+
+        let mut patterns: Vec<Vec<u8>> = vec![vec![0; system_total_channels]; patterns_count.into()];
+        for channel in 0..system_total_channels {
+            for pattern in 0..patterns_count {
+                let channel: usize = channel.into();
+                let pattern: usize = pattern.into();
+                patterns[ pattern ][ channel ] = get_u8( bytes.by_ref() )?;
+            }
+        }
+
+        for pattern in &patterns {
+            for channel in pattern {
+                print!( "{:#04X?} ", channel );
+            }
+            print!( "\n" );
+        }
+
+        print!( "\n" );
 
         // TODO !!
 
         Ok(
-            DmfModule { version, time_base, speed_a, speed_b, frame_mode, rows_per_pattern, patterns }
+            DmfModule { platform, version, time_base, speed_a, speed_b, frame_mode, rows_per_pattern, patterns }
          )
     }