Basic support for handling title.db entries

"Show title info"

arm9/source/filesys/filetype.c

@@ -1,5 +1,6 @@
 #include "filetype.h"
 #include "fsutil.h"
+#include "image.h"
 #include "fatmbr.h"
 #include "nand.h"
 #include "game.h"
@@ -112,7 +113,16 @@ u64 IdentifyFileType(const char* path) {
         }
     }
     
-    if (GetFontFromPbm(data, fsize, NULL, NULL)) {
+    if (fsize == sizeof(TitleInfoEntry) && (strncasecmp(path, "T:/", 3) == 0)) {
+        const char* mntpath = GetMountPath();
+        if (mntpath && *mntpath) {
+            if ((strncasecmp(mntpath, "1:/dbs/title.db", 16) == 0) ||
+                (strncasecmp(mntpath, "4:/dbs/title.db", 16) == 0) ||
+                (strncasecmp(mntpath, "A:/dbs/title.db", 16) == 0) ||
+                (strncasecmp(mntpath, "B:/dbs/title.db", 16) == 0))
+                return GAME_TIE;
+        }
+    } else if (GetFontFromPbm(data, fsize, NULL, NULL)) {
         return FONT_PBM;
     } else if ((fsize > sizeof(AgbHeader)) &&
         (ValidateAgbHeader((AgbHeader*) data) == 0)) {

arm9/source/filesys/filetype.h

@@ -14,27 +14,28 @@
 #define GAME_BOSS   (1ULL<<9)
 #define GAME_NUSCDN (1ULL<<10)
 #define GAME_TICKET (1ULL<<11)
-#define GAME_SMDH   (1ULL<<12)
+#define GAME_TIE 	(1ULL<<12)
-#define GAME_3DSX   (1ULL<<13)
+#define GAME_SMDH   (1ULL<<13)
-#define GAME_NDS    (1ULL<<14)
+#define GAME_3DSX   (1ULL<<14)
-#define GAME_GBA    (1ULL<<15)
+#define GAME_NDS    (1ULL<<15)
-#define GAME_TAD    (1ULL<<16)
+#define GAME_GBA    (1ULL<<16)
-#define SYS_FIRM    (1ULL<<17)
+#define GAME_TAD    (1ULL<<17)
-#define SYS_DIFF    (1ULL<<18)
+#define SYS_FIRM    (1ULL<<18)
-#define SYS_DISA    (1ULL<<19)
+#define SYS_DIFF    (1ULL<<19)
-#define SYS_AGBSAVE (1ULL<<20)
+#define SYS_DISA    (1ULL<<20)
-#define SYS_TICKDB  (1ULL<<21)
+#define SYS_AGBSAVE (1ULL<<21)
-#define BIN_NCCHNFO (1ULL<<22)
+#define SYS_TICKDB  (1ULL<<22)
-#define BIN_TIKDB   (1ULL<<23)
+#define BIN_NCCHNFO (1ULL<<23)
-#define BIN_KEYDB   (1ULL<<24)
+#define BIN_TIKDB   (1ULL<<24)
-#define BIN_LEGKEY  (1ULL<<25)
+#define BIN_KEYDB   (1ULL<<25)
-#define TXT_SCRIPT  (1ULL<<26)
+#define BIN_LEGKEY  (1ULL<<26)
-#define TXT_GENERIC (1ULL<<27)
+#define TXT_SCRIPT  (1ULL<<27)
-#define GFX_PNG     (1ULL<<28)
+#define TXT_GENERIC (1ULL<<28)
-#define FONT_PBM    (1ULL<<29)
+#define GFX_PNG     (1ULL<<29)
-#define NOIMG_NAND  (1ULL<<30)
+#define FONT_PBM    (1ULL<<30)
-#define HDR_NAND    (1ULL<<31)
+#define NOIMG_NAND  (1ULL<<31)
-#define TYPE_BASE   0xFFFFFFFFULL // 32 bit reserved for base types
+#define HDR_NAND    (1ULL<<32)
+#define TYPE_BASE   0xFFFFFFFFFFULL // 40 bit reserved for base types
 
 // #define FLAG_FIRM   (1ULL<<57) // <--- for CXIs containing FIRMs
 // #define FLAG_GBAVC  (1ULL<<58) // <--- for GBAVC CXIs
@@ -54,7 +55,7 @@
 #define FTYPE_CXIDUMP(tp)       (tp&(GAME_TMD))
 #define FTYPE_TIKBUILD(tp)      (tp&(GAME_TICKET|SYS_TICKDB|BIN_TIKDB))
 #define FTYPE_KEYBUILD(tp)      (tp&(BIN_KEYDB|BIN_LEGKEY))
-#define FTYPE_TITLEINFO(tp)     (tp&(GAME_SMDH|GAME_NCCH|GAME_NCSD|GAME_CIA|GAME_TMD|GAME_NDS|GAME_GBA|GAME_TAD|GAME_3DSX))
+#define FTYPE_TITLEINFO(tp)     (tp&(GAME_TIE|GAME_SMDH|GAME_NCCH|GAME_NCSD|GAME_CIA|GAME_TMD|GAME_NDS|GAME_GBA|GAME_TAD|GAME_3DSX))
 #define FTYPE_CIACHECK(tp)      (tp&GAME_CIA)
 #define FTYPE_RENAMABLE(tp)     (tp&(GAME_NCCH|GAME_NCSD|GAME_CIA|GAME_NDS|GAME_GBA))
 #define FTYPE_TRIMABLE(tp)      (tp&(IMG_NAND|GAME_NCCH|GAME_NCSD|GAME_NDS|SYS_FIRM))

arm9/source/godmode.c

@@ -1165,6 +1165,7 @@ u32 FileHandlerMenu(char* current_path, u32* cursor, u32* scroll, PaneData** pan
         (filetype & GAME_EXEFS) ? "Mount as EXEFS image"  :
         (filetype & GAME_ROMFS) ? "Mount as ROMFS image"  :
         (filetype & GAME_TMD  ) ? "TMD file options..."   :
+        (filetype & GAME_TIE  ) ? "Show title info"       :
         (filetype & GAME_BOSS ) ? "BOSS file options..."  :
         (filetype & GAME_NUSCDN)? "Decrypt NUS/CDN file"  :
         (filetype & GAME_SMDH)  ? "Show SMDH title info"  :

arm9/source/utils/gameutil.c

@@ -260,6 +260,40 @@ u32 GetTmdContentPath(char* path_content, const char* path_tmd) {
     return 0;
 }
 
+u32 GetTieContentPath(char* path_content, const char* path_tie) {
+    char path_tmd[64];
+    char* tid_str = path_tie + 3;
+    char drv[3] = { 0x00 };
+
+    // this relies on:
+    // 1: titleinfo entries are only loaded from mounted [1/4/A/B]:/dbs/title.db
+    // 2: filename starts with title id
+
+    // basic sanity check
+    if (*path_tie != 'T') return 1;
+
+    // load TitleDB entry file
+    TitleInfoEntry tie;
+    if (fvx_qread(path_tie, &tie, 0, sizeof(TitleInfoEntry), NULL) != FR_OK)
+        return 1;
+
+    // determine the drive
+    const char* mntpath = GetMountPath();
+    if (!mntpath || !*mntpath) return 1;
+    strncpy(drv, mntpath, 2);
+    if ((tid_str[3] == '4') && (tid_str[4] == '8')) {
+        if (*drv == '1') *drv = '2';
+        if (*drv == '4') *drv = '5';
+    }
+    
+    // build the path
+    snprintf(path_tmd, 64, "%2.2s/title/%8.8s/%8.8s/content/%08lx.tmd",
+        drv, tid_str, tid_str + 8, tie.tmd_content_id);
+    
+    // let the TMD content path function take over
+    return GetTmdContentPath(path_content, path_tmd);
+}
+
 u32 WriteCiaStub(CiaStub* stub, const char* path) {
     FIL file;
     UINT btw;
@@ -2429,6 +2463,10 @@ u32 LoadSmdhFromGameFile(const char* path, Smdh* smdh) {
         char path_content[256];
         if (GetTmdContentPath(path_content, path) != 0) return 1;
         return LoadSmdhFromGameFile(path_content, smdh);
+    } else if (filetype & GAME_TIE) {
+        char path_content[256];
+        if (GetTieContentPath(path_content, path) != 0) return 1;
+        return LoadSmdhFromGameFile(path_content, smdh);
     } else if (filetype & GAME_3DSX) {
         ThreedsxHeader threedsx;
         if ((fvx_qread(path, &threedsx, 0, sizeof(ThreedsxHeader), NULL) != FR_OK) ||
@@ -2487,6 +2525,9 @@ u32 ShowGameFileTitleInfoF(const char* path, u16* screen, bool clear) {
     if (itype & GAME_TMD) {
         if (GetTmdContentPath(path_content, path) != 0) return 1;
         path = path_content;
+    } else if (itype & GAME_TIE) {
+         if (GetTieContentPath(path_content, path) != 0) return 1;
+        path = path_content;
     }
     
     void* buffer = (void*) malloc(max(sizeof(Smdh), sizeof(TwlIconData)));