// C Header File
// Created 10/20/2002; 9:04:32 PM

void FindMyselfAndFolder (SYM_ENTRY * mySelf, SYM_ENTRY * myFolder);
extern SYM_ENTRY myFolder;
static inline char *GetGameFolder (void);
static inline char *FindExePackedGameFolder (void);

#ifndef __FINDFOLDER_H__
#define _FINDFOLDER_H__

//void FindMyselfAndFolder (SYM_ENTRY * mySelf, SYM_ENTRY * myFolder);
asm("
FindMyselfAndFolder:
movem.l %a2-%a5/%d3,-(%a7)
move.l 20(%a7),%d3
move.l 24(%a7),%a4
move.l 28(%a7),%a5
and.l #0x3FFFF,%d3
move.l 200,%a3
move.w #6,-(%a7)
clr.l -(%a7)
move.l 432(%a3),%a0
jsr (%a0)
__KeepLooking:
move.l %a0,%a2
move.w 10(%a2),%d0
btst #7,%d0
beq __NotFolder
move.l %a2,(%a5) /*stash the folder*/
bra __SkipFolder
__NotFolder:
move.l 12(%a2),(%a7)
move.l 600(%a3),%a0
jsr (%a0)
cmp.l %a0,%d3
bcs __NotIt
move.l 2332(%a3),%a0
jsr (%a0)
cmp.l %a0,%d3
bcc __NotIt
move.l %a2,%a0
__ReturnNull:
move.l %a0,(%a4) /*save the sym_entry of the file, or clear it if not found.*/
addq.l #6,%a7
movem.l (%a7)+,%a2-%a5/%d3
rts
__NotIt:
__SkipFolder:
move.l 436(%a3),%a0
jsr (%a0)
move.l %a0,%d0
bne __KeepLooking
clr.l (%a5) /*clear the folder*/
bra __ReturnNull
");

SYM_ENTRY myFolder;
static inline char *GetGameFolder (void)
{
     SYM_ENTRY mySelf;
     char **ptr = (char **) &myFolder;
     FindMyselfAndFolder (&mySelf, &myFolder); return *ptr;
}

static inline char *FindExePackedGameFolder (void)
{
     char *archive;
     SYM_ENTRY * symptr;
     static char f[9] = "oblivion\0";
     SYM_STR name = SYMSTR_CONST(FOLDER_FILENAME);
     symptr = DerefSym (SymFind (name));
     if (symptr)
     {
          archive = (char *) HLock (symptr->handle) + 3;
          if (archive)
               strncpy (f, archive, 9);
          HeapUnlock (symptr->handle);
          SymDel(name);
     }

     return f;
}

#endif