through sub_814449C

4 files changed, 127 insertions, 331 deletions

diff --git a/asm/mevent.s b/asm/mevent.s
index 19c6248ae..0e02d5b2b 100644
--- a/asm/mevent.s
+++ b/asm/mevent.s
@@ -5,334 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8144254
-sub_8144254: @ 8144254sub_81441F0
-	push {r4-r6,lr}
-	adds r5, r0, 0
-	ldr r6, _08144280 @ =gSaveBlock1Ptr
-	ldr r0, [r6]
-	ldr r1, _08144284 @ =0x000032e4
-	adds r0, r1
-	ldrb r4, [r0, 0x9]
-	adds r0, r5, 0
-	bl sub_81441F0
-	cmp r0, 0
-	beq _081442BE
-	ldr r0, [r6]
-	ldr r1, _08144288 @ =0x00003434
-	adds r0, r1
-	adds r1, r5, 0
-	adds r2, r4, 0
-	bl sub_81441AC
-	cmp r0, 0
-	beq _08144298
-	b _081442BE
-	.align 2, 0
-_08144280: .4byte gSaveBlock1Ptr
-_08144284: .4byte 0x000032e4
-_08144288: .4byte 0x00003434
-_0814428C:
-	ldrh r0, [r5, 0x2]
-	strh r0, [r1]
-	ldrh r0, [r5]
-	strh r0, [r2]
-	movs r0, 0x1
-	b _081442C0
-_08144298:
-	movs r3, 0
-	cmp r3, r4
-	bge _081442BE
-	ldr r0, [r6]
-	ldr r6, _081442C8 @ =0x0000343c
-	adds r2, r0, r6
-	adds r6, 0xE
-	adds r1, r0, r6
-_081442A8:
-	ldrh r0, [r2, 0xE]
-	cmp r0, 0
-	bne _081442B4
-	ldrh r0, [r2]
-	cmp r0, 0
-	beq _0814428C
-_081442B4:
-	adds r2, 0x2
-	adds r1, 0x2
-	adds r3, 0x1
-	cmp r3, r4
-	blt _081442A8
-_081442BE:
-	movs r0, 0
-_081442C0:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_081442C8: .4byte 0x0000343c
-	thumb_func_end sub_8144254
-
-	thumb_func_start sub_81442CC
-sub_81442CC: @ 81442CC
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x4
-	adds r4, r0, 0
-	movs r0, 0
-	str r0, [sp]
-	ldr r2, _08144328 @ =0x05000019
-	mov r0, sp
-	adds r1, r4, 0
-	bl CpuSet
-	ldr r0, _0814432C @ =0x00000101
-	str r0, [r4]
-	movs r0, 0x1
-	strh r0, [r4, 0x4]
-	str r0, [r4, 0x8]
-	strh r0, [r4, 0xC]
-	str r0, [r4, 0x10]
-	bl sub_8143FC8
-	cmp r0, 0
-	beq _08144330
-	bl sav1_get_mevent_buffer_1
-	ldrh r0, [r0]
-	strh r0, [r4, 0x14]
-	bl sav1_get_mevent_buffer_2
-	adds r1, r4, 0
-	adds r1, 0x20
-	ldm r0!, {r2,r3,r5}
-	stm r1!, {r2,r3,r5}
-	ldm r0!, {r2,r3,r5}
-	stm r1!, {r2,r3,r5}
-	ldm r0!, {r2,r3,r5}
-	stm r1!, {r2,r3,r5}
-	bl sav1_get_mevent_buffer_1
-	ldrb r1, [r0, 0x9]
-	adds r0, r4, 0
-	adds r0, 0x44
-	strb r1, [r0]
-	b _08144332
-	.align 2, 0
-_08144328: .4byte 0x05000019
-_0814432C: .4byte 0x00000101
-_08144330:
-	strh r0, [r4, 0x14]
-_08144332:
-	adds r5, r4, 0
-	adds r5, 0x4C
-	ldr r0, _081443BC @ =gSaveBlock2Ptr
-	mov r8, r0
-	adds r6, r4, 0
-	adds r6, 0x45
-	adds r7, r4, 0
-	adds r7, 0x50
-	movs r1, 0x5C
-	adds r1, r4
-	mov r9, r1
-	movs r2, 0x60
-	adds r2, r4
-	mov r10, r2
-	ldr r0, _081443C0 @ =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r3, _081443C4 @ =0x00003458
-	adds r2, r0, r3
-	adds r1, r4, 0
-	adds r1, 0x16
-	movs r3, 0x3
-_0814435C:
-	ldrh r0, [r2]
-	strh r0, [r1]
-	adds r2, 0x2
-	adds r1, 0x2
-	subs r3, 0x1
-	cmp r3, 0
-	bge _0814435C
-	mov r0, r8
-	ldr r1, [r0]
-	adds r1, 0xA
-	adds r0, r5, 0
-	bl CopyUnalignedWord
-	mov r2, r8
-	ldr r1, [r2]
-	adds r0, r6, 0
-	bl StringCopy
-	ldr r0, _081443C0 @ =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldr r3, _081443C8 @ =0x00002ca0
-	adds r2, r0, r3
-	adds r1, r7, 0
-	movs r3, 0x5
-_0814438C:
-	ldrh r0, [r2]
-	strh r0, [r1]
-	adds r2, 0x2
-	adds r1, 0x2
-	subs r3, 0x1
-	cmp r3, 0
-	bge _0814438C
-	ldr r1, _081443CC @ =RomHeaderGameCode
-	mov r0, r9
-	movs r2, 0x4
-	bl memcpy
-	ldr r0, _081443D0 @ =RomHeaderSoftwareVersion
-	ldrb r0, [r0]
-	mov r5, r10
-	strb r0, [r5]
-	add sp, 0x4
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_081443BC: .4byte gSaveBlock2Ptr
-_081443C0: .4byte gSaveBlock1Ptr
-_081443C4: .4byte 0x00003458
-_081443C8: .4byte 0x00002ca0
-_081443CC: .4byte RomHeaderGameCode
-_081443D0: .4byte RomHeaderSoftwareVersion
-	thumb_func_end sub_81442CC
-
-	thumb_func_start sub_81443D4
-sub_81443D4: @ 81443D4
-	push {lr}
-	adds r2, r0, 0
-	ldr r1, [r2]
-	ldr r0, _0814440C @ =0x00000101
-	cmp r1, r0
-	bne _08144410
-	ldrh r1, [r2, 0x4]
-	movs r3, 0x1
-	adds r0, r3, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _08144410
-	ldr r0, [r2, 0x8]
-	ands r0, r3
-	cmp r0, 0
-	beq _08144410
-	ldrh r1, [r2, 0xC]
-	adds r0, r3, 0
-	ands r0, r1
-	cmp r0, 0
-	beq _08144410
-	ldr r0, [r2, 0x10]
-	movs r1, 0xF
-	ands r0, r1
-	cmp r0, 0
-	beq _08144410
-	movs r0, 0x1
-	b _08144412
-	.align 2, 0
-_0814440C: .4byte 0x00000101
-_08144410:
-	movs r0, 0
-_08144412:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81443D4
-
-	thumb_func_start sub_8144418
-sub_8144418: @ 8144418
-	push {lr}
-	ldrh r1, [r1, 0x14]
-	cmp r1, 0
-	bne _08144424
-	movs r0, 0
-	b _08144430
-_08144424:
-	ldrh r0, [r0]
-	cmp r0, r1
-	beq _0814442E
-	movs r0, 0x2
-	b _08144430
-_0814442E:
-	movs r0, 0x1
-_08144430:
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8144418
-
-	thumb_func_start sub_8144434
-sub_8144434: @ 8144434
-	push {r4-r6,lr}
-	adds r6, r0, 0
-	adds r4, r1, 0
-	adds r5, r4, 0
-	adds r5, 0x20
-	adds r4, 0x44
-	ldrb r1, [r4]
-	adds r0, r5, 0
-	bl sub_8144184
-	ldrb r2, [r4]
-	subs r4, r2, r0
-	cmp r4, 0
-	bne _08144454
-	movs r0, 0x1
-	b _0814446E
-_08144454:
-	adds r0, r5, 0
-	adds r1, r6, 0
-	bl sub_81441AC
-	cmp r0, 0
-	beq _08144464
-	movs r0, 0x3
-	b _0814446E
-_08144464:
-	cmp r4, 0x1
-	beq _0814446C
-	movs r0, 0x2
-	b _0814446E
-_0814446C:
-	movs r0, 0x4
-_0814446E:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8144434
-
-	thumb_func_start sub_8144474
-sub_8144474: @ 8144474
-	push {r4,lr}
-	movs r3, 0
-	adds r2, r0, 0
-	adds r2, 0x16
-_0814447C:
-	ldrh r0, [r2]
-	ldrh r4, [r1]
-	cmp r0, r4
-	beq _08144488
-	movs r0, 0
-	b _08144494
-_08144488:
-	adds r1, 0x2
-	adds r2, 0x2
-	adds r3, 0x1
-	cmp r3, 0x3
-	ble _0814447C
-	movs r0, 0x1
-_08144494:
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8144474
-
-	thumb_func_start sub_814449C
-sub_814449C: @ 814449C
-	push {lr}
-	adds r2, r0, 0
-	adds r2, 0x20
-	adds r0, 0x44
-	ldrb r1, [r0]
-	adds r0, r2, 0
-	bl sub_8144184
-	pop {r1}
-	bx r1
-	thumb_func_end sub_814449C
-
 	thumb_func_start sub_81444B0
 sub_81444B0: @ 81444B0
 	push {lr}
diff --git a/include/main.h b/include/main.h
index 0fe138d1f..adbf1fb5d 100644
--- a/include/main.h
+++ b/include/main.h
@@ -66,4 +66,7 @@ void DoSoftReset(void);
 void ClearPokemonCrySongs(void);
 void RestoreSerialTimer3IntrHandlers(void);
 
+extern const char RomHeaderGameCode[4];
+extern const char RomHeaderSoftwareVersion;
+
 #endif // GUARD_MAIN_H
diff --git a/include/mevent.h b/include/mevent.h
index 7df669da3..ae301263f 100644
--- a/include/mevent.h
+++ b/include/mevent.h
@@ -3,6 +3,24 @@
 
 #include "global.h"
 
+struct MEventStruct_Unk1442CC
+{
+    u32 unk_00;
+    u16 unk_04;
+    u32 unk_08;
+    u16 unk_0C;
+    u32 unk_10;
+    u16 unk_14;
+    u16 unk_16[4];
+    struct MEventBuffer_3430_Sub unk_20;
+    u8 unk_44;
+    u8 unk_45[7];
+    u8 unk_4C[4];
+    u16 unk_50[6];
+    u8 unk_5C[4];
+    u8 unk_60;
+};
+
 struct MysteryEventStruct * sub_8143D94(void);
 bool32 sub_8143E1C(void);
 
diff --git a/src/mevent.c b/src/mevent.c
index 5d45a0243..d24219f49 100644
--- a/src/mevent.c
+++ b/src/mevent.c
@@ -14,7 +14,10 @@
 #include "script.h"
 #include "event_data.h"
 #include "battle_tower.h"
+#include "new_game.h"
+#include "string_util.h"
 #include "menews_jisan.h"
+#include "mevent.h"
 
 struct MEvent_Str_1
 {
@@ -704,13 +707,113 @@ bool32 sub_81441F0(const u16 * data)
     return TRUE;
 }
 
-bool32 sub_8144218(void)
+s32 sub_8144218(void)
 {
     struct MEventBuffer_32E0_Sub * data;
     if (!sub_8143FC8())
-        return FALSE;
+        return 0;
     data = &gSaveBlock1Ptr->unk_3120.buffer_1c0.data;
     if (data->unk_08_0 != 1)
-        return FALSE;
+        return 0;
     return sub_8144184(&gSaveBlock1Ptr->unk_3120.buffer_310.data, data->unk_09);
 }
+
+bool32 sub_8144254(const u16 * data)
+{
+    struct MEventBuffer_32E0_Sub * buffer = &gSaveBlock1Ptr->unk_3120.buffer_1c0.data;
+    s32 size = buffer->unk_09;
+    s32 i;
+    if (!sub_81441F0(data))
+        return FALSE;
+    if (sub_81441AC(&gSaveBlock1Ptr->unk_3120.buffer_310.data, data, size))
+        return FALSE;
+    for (i = 0; i < size; i++)
+    {
+        if (gSaveBlock1Ptr->unk_3120.buffer_310.data.unk_08[1][i] == 0 && gSaveBlock1Ptr->unk_3120.buffer_310.data.unk_08[0][i] == 0)
+        {
+            gSaveBlock1Ptr->unk_3120.buffer_310.data.unk_08[1][i] = data[1];
+            gSaveBlock1Ptr->unk_3120.buffer_310.data.unk_08[0][i] = data[0];
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+void sub_81442CC(struct MEventStruct_Unk1442CC * data)
+{
+    s32 i;
+    CpuFill32(0, data, sizeof(struct MEventStruct_Unk1442CC));
+    data->unk_00 = 0x101;
+    data->unk_04 = 1;
+    data->unk_08 = 1;
+    data->unk_0C = 1;
+    data->unk_10 = 1;
+    if (sub_8143FC8())
+    {
+        data->unk_14 = sav1_get_mevent_buffer_1()->unk_00;
+        data->unk_20 = *sav1_get_mevent_buffer_2();
+        data->unk_44 = sav1_get_mevent_buffer_1()->unk_09;
+    }
+    else
+        data->unk_14 = 0;
+    for (i = 0; i < 4; i++)
+        data->unk_16[i] = gSaveBlock1Ptr->unk_3120.unk_338[i];
+    CopyUnalignedWord(data->unk_4C, gSaveBlock2Ptr->playerTrainerId);
+    StringCopy(data->unk_45, gSaveBlock2Ptr->playerName);
+    for (i = 0; i < 6; i++)
+        data->unk_50[i] = gSaveBlock1Ptr->unk2CA0[i];
+    memcpy(data->unk_5C, RomHeaderGameCode, 4);
+    data->unk_60 = RomHeaderSoftwareVersion;
+}
+
+bool32 sub_81443D4(const struct MEventStruct_Unk1442CC * data)
+{
+    if (data->unk_00 != 0x101)
+        return FALSE;
+    if (!(data->unk_04 & 1))
+        return FALSE;
+    if (!(data->unk_08 & 1))
+        return FALSE;
+    if (!(data->unk_0C & 1))
+        return FALSE;
+    if (!(data->unk_10 & 0x0F))
+        return FALSE;
+    return TRUE;
+}
+
+u32 sub_8144418(const u16 * a0, const struct MEventStruct_Unk1442CC * a1)
+{
+    if (a1->unk_14 == 0)
+        return 0;
+    if (*a0 == a1->unk_14)
+        return 1;
+    return 2;
+}
+
+u32 sub_8144434(const u16 * a0, const struct MEventStruct_Unk1442CC * a1)
+{
+    s32 r4 = a1->unk_44 - sub_8144184(&a1->unk_20, a1->unk_44);
+    if (r4 == 0)
+        return 1;
+    if (sub_81441AC(&a1->unk_20, a0, a1->unk_44))
+        return 3;
+    if (r4 == 1)
+        return 4;
+    return 2;
+}
+
+bool32 sub_8144474(const struct MEventStruct_Unk1442CC * a0, const u16 * a1)
+{
+    s32 i;
+    for (i = 0; i < 4; i++)
+    {
+        if (a0->unk_16[i] != a1[i])
+            return FALSE;
+    }
+    return TRUE;
+}
+
+s32 sub_814449C(const struct MEventStruct_Unk1442CC * a0)
+{
+    return sub_8144184(&a0->unk_20, a0->unk_44);
+}