sub_8121A1C

asm/mail.s

@@ -5,128 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8121A1C
-sub_8121A1C: @ 8121A1C
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	movs r6, 0
-	movs r5, 0
-	ldr r2, =gUnknown_0203A134
-	ldr r0, [r2]
-	movs r1, 0x8A
-	lsls r1, 2
-	adds r0, r1
-	ldr r0, [r0]
-	ldrb r0, [r0]
-	cmp r5, r0
-	bcs _08121A8A
-	mov r8, r2
-	adds r7, r1, 0
-_08121A3C:
-	lsls r0, r5, 6
-	mov r1, r8
-	ldr r2, [r1]
-	adds r0, r2, r0
-	movs r3, 0x85
-	lsls r3, 2
-	adds r1, r2, r3
-	lsls r3, r6, 1
-	ldr r1, [r1]
-	adds r1, r3
-	adds r2, r7
-	ldr r2, [r2]
-	ldr r2, [r2, 0x8]
-	lsls r4, r5, 2
-	adds r2, r4, r2
-	ldr r2, [r2]
-	lsls r2, 30
-	lsrs r2, 30
-	movs r3, 0x1
-	bl ConvertEasyChatWordsToString
-	mov r1, r8
-	ldr r0, [r1]
-	adds r0, r7
-	ldr r1, [r0]
-	ldr r0, [r1, 0x8]
-	adds r4, r0
-	ldr r0, [r4]
-	lsls r0, 30
-	lsrs r0, 30
-	adds r0, r6, r0
-	lsls r0, 24
-	lsrs r6, r0, 24
-	adds r0, r5, 0x1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	ldrb r1, [r1]
-	cmp r5, r1
-	bcc _08121A3C
-_08121A8A:
-	ldr r4, =gUnknown_0203A134
-	ldr r1, [r4]
-	movs r2, 0x80
-	lsls r2, 2
-	adds r0, r1, r2
-	movs r3, 0x85
-	lsls r3, 2
-	adds r1, r3
-	ldr r1, [r1]
-	adds r1, 0x12
-	bl StringCopy
-	adds r2, r0, 0
-	ldr r1, [r4]
-	ldr r3, =0x0000021e
-	adds r0, r1, r3
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _08121AF0
-	ldr r1, =gText_FromSpace
-	adds r0, r2, 0
-	bl StringCopy
-	ldr r0, [r4]
-	movs r1, 0x80
-	lsls r1, 2
-	adds r0, r1
-	bl StringLength
-	ldr r2, [r4]
-	movs r3, 0x8A
-	lsls r3, 2
-	adds r1, r2, r3
-	ldr r1, [r1]
-	lsls r0, 16
-	lsrs r0, 13
-	subs r0, 0x60
-	ldrb r1, [r1, 0x2]
-	subs r1, r0
-	ldr r0, =0x00000219
-	adds r2, r0
-	strb r1, [r2]
-	b _08121B0C
-	.pool
-_08121AF0:
-	movs r2, 0x80
-	lsls r2, 2
-	adds r0, r1, r2
-	bl sub_81DB52C
-	ldr r0, [r4]
-	movs r3, 0x8A
-	lsls r3, 2
-	adds r1, r0, r3
-	ldr r1, [r1]
-	ldrb r1, [r1, 0x2]
-	ldr r2, =0x00000219
-	adds r0, r2
-	strb r1, [r0]
-_08121B0C:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_8121A1C
-
 	thumb_func_start sub_8121B1C
 sub_8121B1C: @ 8121B1C
 	push {r4-r7,lr}

include/international_string_util.h

@@ -0,0 +1,11 @@
+#ifndef GUARD_INTERNATIONAL_STRING_UTIL_H
+#define GUARD_INTERNATIONAL_STRING_UTIL_H
+
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+void sub_81DB52C(const u8 *src);
+
+#endif //GUARD_INTERNATIONAL_STRING_UTIL_H

include/strings.h

@@ -0,0 +1,12 @@
+#ifndef GUARD_STRINGS_H
+#define GUARD_STRINGS_H
+
+// Exported type declarations
+
+// Exported RAM declarations
+
+// Exported ROM declarations
+
+extern const u8 gText_FromSpace[];
+
+#endif //GUARD_STRINGS_H

src/mail.c

@@ -10,6 +10,9 @@
 #include "menu_helpers.h"
 #include "text.h"
 #include "text_window.h"
+#include "string_util.h"
+#include "international_string_util.h"
+#include "strings.h"
 #include "gpu_regs.h"
 #include "bg.h"
 #include "pokemon_icon.h"
@@ -23,11 +26,11 @@
 
 struct UnkMailStruct
 {
-    u8 unk_0_0:2;
-    u8 unk_0_2:2;
-    u8 unk_0_4:4;
-    u8 unk_1_0:4;
-    u8 unk_1_4:1;
+    u32 unk_0_0:2;
+    u32 unk_0_2:2;
+    u32 unk_0_4:4;
+    u32 unk_1_0:4;
+    u32 unk_1_4:1;
 };
 
 struct MailLayout
@@ -43,12 +46,13 @@ struct MailLayout
 
 struct Unk203A134
 {
-    /*0x0000*/ u8 filler_0000[0x20c];
+    /*0x0000*/ u8 strbuf[8][64];
+    /*0x0200*/ u8 playerName[12];
     /*0x020C*/ MainCallback callback;
     /*0x0210*/ MainCallback callback2;
     /*0x0214*/ struct MailStruct *mail;
     /*0x0218*/ bool8 flag;
-    /*0x0219*/ u8 filler_0219[1];
+    /*0x0219*/ u8 unk_0219;
     /*0x021a*/ u8 mailType;
     /*0x021b*/ u8 unk_021b;
     /*0x021c*/ u8 unk_021c;
@@ -115,9 +119,8 @@ const struct WindowTemplate gUnknown_0859F29C[] = {
         .height = 15,
         .paletteNum = 15,
         .baseBlock = 1
-    }, {
-        .priority = -1
-    }
+    },
+    DUMMY_WIN_TEMPLATE
 };
 
 const u8 gUnknown_0859F2AC[] = {
@@ -240,6 +243,8 @@ const struct MailLayout gUnknown_0859F458[] = {
     { 0x05, 0x09, 0x60, 0x5, 0x0, 0x1e, Unknown_0859F444 }
 };
 
+// What the heck are these meant to be? Call them u16 for now.
+
 const u16 Unknown_0859F4E8[] = {
     0x00, 0x4000, 0x00, 0x00
 };
@@ -459,3 +464,28 @@ void sub_81219F0(void)
         }
     } while (sub_81221AC() != TRUE);
 }
+
+void sub_8121A1C(void)
+{
+    u16 i;
+    u8 total;
+    u8 *ptr;
+
+    total = 0;
+    for (i = 0; i < gUnknown_0203A134->layout->var0; i ++)
+    {
+        ConvertEasyChatWordsToString(gUnknown_0203A134->strbuf[i], &gUnknown_0203A134->mail->words[total], gUnknown_0203A134->layout->var8[i].unk_0_0, 1);
+        total += gUnknown_0203A134->layout->var8[i].unk_0_0;
+    }
+    ptr = StringCopy(gUnknown_0203A134->playerName, gUnknown_0203A134->mail->playerName);
+    if (!gUnknown_0203A134->playerIsSender)
+    {
+        StringCopy(ptr, gText_FromSpace);
+        gUnknown_0203A134->unk_0219 = gUnknown_0203A134->layout->var2 - (StringLength(gUnknown_0203A134->playerName) * 8 - 0x60);
+    }
+    else
+    {
+        sub_81DB52C(gUnknown_0203A134->playerName);
+        gUnknown_0203A134->unk_0219 = gUnknown_0203A134->layout->var2;
+    }
+}