From 6daa97aaaf868d2d5d2bb7e2a36aff64e6c82bdd Mon Sep 17 00:00:00 2001
From: "crediar@rypp.net"
 <crediar@rypp.net@be6c1b03-d731-4111-a574-e37d80d43941>
Date: Wed, 2 Jul 2014 08:34:53 +0000
Subject: [PATCH] *Added the FatFS link map feature which should greatly
 decrease load times

git-svn-id: svn://localhost/Users/andi/Downloads/code/DML@41 be6c1b03-d731-4111-a574-e37d80d43941
---
 DVD.c    | 35 ++++++++++++++++++++++++++---------
 global.h |  2 +-
 2 files changed, 27 insertions(+), 10 deletions(-)

diff --git a/DVD.c b/DVD.c
index d12d8af..9faa61d 100644
--- a/DVD.c
+++ b/DVD.c
@@ -8,15 +8,28 @@ extern FIL GameFile;
 extern u32 FSTMode;
 
 static u8 *FSTable ALIGNED(32);
-u32 ApploaderSize=0;
-u32 dolOffset=0;
-u32 FSTableSize=0;
-u32 FSTableOffset=0;
 
-u32 FCEntry=0;
+u32 ApploaderSize	= 0;
+u32 dolOffset			= 0;
+u32 FSTableSize		= 0;
+u32 FSTableOffset	= 0;
+
+u32				FCEntry=0;
 FileCache FC[FILECACHE_MAX];
-u32 FCState[FILECACHE_MAX];
+u32				FCState[FILECACHE_MAX];
+DWORD			LTable[1024];
 
+static void DVDCreateLinkMap( FIL *File )
+{		
+	GameFile.cltbl		= LTable;
+	GameFile.cltbl[0] = sizeof(LTable);
+
+	s32 fres = f_lseek( &GameFile, CREATE_LINKMAP );
+	if( fres == FR_NOT_ENOUGH_CORE )
+	{
+		GameFile.cltbl = NULL;
+	}
+}
 s32 DVDSelectGame( void )
 {
 	char *str  = (char*)malloca( 256, 32 );
@@ -74,6 +87,8 @@ s32 DVDSelectGame( void )
 			return -3;
 		}
 
+		DVDCreateLinkMap(&GameFile);
+
 		f_lseek( &GameFile, 0 );
 		f_read( &GameFile, (void*)0, 0x20, &read );
 
@@ -115,7 +130,7 @@ u32 FSTInit( void )
 		f_lseek( &fd, 0x0420 );
 		f_read( &fd, rbuf, 0x20, &read );
 
-		dolOffset		= *(u32*)(rbuf);
+		dolOffset			= *(u32*)(rbuf);
 		FSTableOffset	= *(u32*)(rbuf+4);
 		FSTableSize		= *(u32*)(rbuf+8);
 
@@ -250,9 +265,11 @@ void FSTRead( char *Buffer, u32 Length, u32 Offset )
 
 						f_open( &(FC[FCEntry].File), Path, FA_READ );
 
-						FC[FCEntry].Size	= fe[i].FileLength;
+						FC[FCEntry].Size		= fe[i].FileLength;
 						FC[FCEntry].Offset	= fe[i].FileOffset;
-						FCState[FCEntry]	= 0x23;
+						FCState[FCEntry]		= 0x23;
+
+						DVDCreateLinkMap(&(FC[FCEntry].File));
 
 						f_lseek( &(FC[FCEntry].File), nOffset );
 						f_read( &(FC[FCEntry].File), Buffer, Length, &read );
diff --git a/global.h b/global.h
index 7b91a1c..224e436 100644
--- a/global.h
+++ b/global.h
@@ -15,7 +15,7 @@
 #define PADHOOK 1
 
 #define CONFIG_VERSION	0x00000002
-#define DML_VERSION		0x0002000a
+#define DML_VERSION		0x0002000B
 
 #define	DI_SUCCESS	1
 #define	DI_ERROR	2