Decompile textGetLanguageId

src/game/game_16cfa0.c

@@ -1960,22 +1960,31 @@ glabel func0f16e3fc
 /*  f16e6d0:	00000000 */ 	sll	$zero,$zero,0x0
 );
 
-GLOBAL_ASM(
-glabel func0f16e6d4
-/*  f16e6d4:	3c0e8008 */ 	lui	$t6,0x8008
-/*  f16e6d8:	8dce4120 */ 	lw	$t6,0x4120($t6)
-/*  f16e6dc:	00001825 */ 	or	$v1,$zero,$zero
-/*  f16e6e0:	11c00002 */ 	beqz	$t6,.L0f16e6ec
-/*  f16e6e4:	00000000 */ 	sll	$zero,$zero,0x0
-/*  f16e6e8:	24030001 */ 	addiu	$v1,$zero,0x1
-.L0f16e6ec:
-/*  f16e6ec:	03e00008 */ 	jr	$ra
-/*  f16e6f0:	00601025 */ 	or	$v0,$v1,$zero
-);
+/**
+ * NTSC only supports English, while PAL supports 4 languages and JAP has its
+ * own. Each English file is followed immediately by the other translations.
+ *
+ * As it stands in the NTSC version, g_LanguageId is a flag that controls
+ * whether it uses English or Japanese text. This decomp is NTSC, so that's what
+ * you see here.
+ *
+ * For PAL, I suspect this function was adjusted to return values other than
+ * 0 and 1.
+ */
+s32 textGetLanguageId(void)
+{
+	bool ret = 0;
+
+	if (g_LanguageId != 0) {
+		ret = 1;
+	}
+
+	return ret;
+}
 
 s32 textGetFileId(s32 bank)
 {
-	return langtable[bank] + func0f16e6d4();
+	return langtable[bank] + textGetLanguageId();
 }
 
 void textSetBankSimple(s32 bank)

src/game/game_1999b0.c

@@ -2375,7 +2375,7 @@ glabel func0f19b914
 /*  f19b918:	afbf0014 */ 	sw	$ra,0x14($sp)
 /*  f19b91c:	afa401c8 */ 	sw	$a0,0x1c8($sp)
 /*  f19b920:	afa501cc */ 	sw	$a1,0x1cc($sp)
-/*  f19b924:	0fc5b9b5 */ 	jal	func0f16e6d4
+/*  f19b924:	0fc5b9b5 */ 	jal	textGetLanguageId
 /*  f19b928:	afa601d0 */ 	sw	$a2,0x1d0($sp)
 /*  f19b92c:	3c0f8009 */ 	lui	$t7,%hi(var800887c4)
 /*  f19b930:	25ef87c4 */ 	addiu	$t7,$t7,%lo(var800887c4)
@@ -3621,4 +3621,4 @@ glabel func0f19c910
 /*  f19c984:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f19c988:	00000000 */ 	sll	$zero,$zero,0x0
 /*  f19c98c:	00000000 */ 	sll	$zero,$zero,0x0
-);
+);

src/include/game/game_16cfa0.h

@@ -42,7 +42,7 @@ u32 func0f16e0b4(u32 arg0);
 u32 func0f16e138(void);
 u32 func0f16e1e0(s32 arg0);
 u32 func0f16e3fc(void);
-u32 func0f16e6d4(void);
+s32 textGetLanguageId(void);
 s32 textGetFileId(s32 bank);
 void textSetBankSimple(s32 bank);
 void textSetBank(s32 bank, s32 arg1, s32 arg2);

src/include/setup/setup_020df0.h

@@ -204,7 +204,6 @@ extern u32 var80081058;
 extern struct smallsky smallskies[];
 extern u32 var80082050;
 extern u32 filetable[];
-extern u16 langtable[];
 extern u32 var80084008;
 extern s32 var80084034;
 extern u32 var80084038;
@@ -219,6 +218,8 @@ extern u32 var800840e0;
 extern u32 var800840f0;
 extern u32 var800840f4;
 extern u32 var800840fc;
+extern u32 g_LanguageId;
+extern u16 langtable[];
 extern u32 var800841b8;
 extern u32 var80084220;
 extern struct something *somethings[];

src/setup/setup_020df0.c

@@ -6123,7 +6123,7 @@ u32 var80084110 = 0x7f1b7900;
 u32 var80084114 = 0x7f1b7908;
 u32 var80084118 = 0x7f1b7910;
 u32 var8008411c = 0x00000000;
-u32 var80084120 = 0x00000000;
+u32 g_LanguageId = 0;
 
 // 2a144
 u16 langtable[] = {