through sub_810C760

asm/vs_seeker.s

@@ -5,112 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_810C730
-sub_810C730: @ 810C730
-	push {lr}
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _0810C758 @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	ldrh r0, [r1, 0x8]
-	subs r0, 0x1
-	strh r0, [r1, 0x8]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0810C754
-	ldr r0, _0810C75C @ =sub_810C760
-	str r0, [r1]
-	movs r0, 0x10
-	strh r0, [r1, 0xA]
-_0810C754:
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810C758: .4byte gTasks
-_0810C75C: .4byte sub_810C760
-	thumb_func_end sub_810C730
-
-	thumb_func_start sub_810C760
-sub_810C760: @ 810C760
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	ldr r1, _0810C7E8 @ =gTasks+0x8
-	adds r4, r0, r1
-	movs r1, 0x4
-	ldrsh r0, [r4, r1]
-	cmp r0, 0x2
-	beq _0810C794
-	ldrh r0, [r4, 0x2]
-	subs r0, 0x1
-	strh r0, [r4, 0x2]
-	lsls r0, 16
-	cmp r0, 0
-	bne _0810C794
-	movs r0, 0x5E
-	bl PlaySE
-	movs r0, 0xB
-	strh r0, [r4, 0x2]
-	ldrh r0, [r4, 0x4]
-	adds r0, 0x1
-	strh r0, [r4, 0x4]
-_0810C794:
-	movs r0, 0x41
-	bl FieldEffectActiveListContains
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	bne _0810C7E2
-	strh r0, [r4, 0x2]
-	strh r0, [r4, 0x4]
-	bl sub_810C604
-	ldr r0, _0810C7EC @ =gUnknown_845318C
-	bl sub_810C9A8
-	ldr r1, _0810C7F0 @ =gUnknown_203ADB8
-	ldr r2, [r1]
-	ldr r1, _0810C7F4 @ =0x00000431
-	adds r2, r1
-	lsls r0, 3
-	ldrb r3, [r2]
-	movs r1, 0x7
-	ands r1, r3
-	orrs r1, r0
-	strb r1, [r2]
-	ldr r0, _0810C7F8 @ =gSaveBlock1Ptr
-	ldr r0, [r0]
-	ldrb r1, [r0, 0x5]
-	ldrb r2, [r0, 0x4]
-	ldr r3, _0810C7FC @ =gUnknown_8453F5C
-	movs r0, 0xFF
-	bl ScriptMovement_StartObjectMovementScript
-	ldr r1, _0810C800 @ =gTasks
-	lsls r0, r5, 2
-	adds r0, r5
-	lsls r0, 3
-	adds r0, r1
-	ldr r1, _0810C804 @ =sub_810C8EC
-	str r1, [r0]
-_0810C7E2:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0810C7E8: .4byte gTasks+0x8
-_0810C7EC: .4byte gUnknown_845318C
-_0810C7F0: .4byte gUnknown_203ADB8
-_0810C7F4: .4byte 0x00000431
-_0810C7F8: .4byte gSaveBlock1Ptr
-_0810C7FC: .4byte gUnknown_8453F5C
-_0810C800: .4byte gTasks
-_0810C804: .4byte sub_810C8EC
-	thumb_func_end sub_810C760
-
 	thumb_func_start sub_810C808
 sub_810C808: @ 810C808
 	push {r4-r7,lr}

include/item_use.h

@@ -0,0 +1,9 @@
+#ifndef GUARD_ITEM_USE_H
+#define GUARD_ITEM_USE_H
+
+#include "global.h"
+
+void sub_80A1E0C(u8);
+void sub_80A2294(u8, u8, u16, u16);
+
+#endif //GUARD_ITEM_USE_H

include/vs_seeker.h

@@ -0,0 +1,13 @@
+#ifndef GUARD_VS_SEEKER_H
+#define GUARD_VS_SEEKER_H
+
+#include "global.h"
+
+struct VsSeekerStruct
+{
+    /*0x000*/ u8 filler_00[0x431];
+    /*0x431*/ u8 unk_431_0:3;
+              u8 unk_431_3:5;
+};
+
+#endif //GUARD_VS_SEEKER_H

src/vs_seeker.c

@@ -0,0 +1,94 @@
+#include "global.h"
+#include "songs.h"
+#include "sound.h"
+#include "task.h"
+#include "malloc.h"
+#include "new_menu_helpers.h"
+#include "item_use.h"
+#include "event_scripts.h"
+#include "item_menu.h"
+#include "field_effect.h"
+#include "script_movement.h"
+#include "vs_seeker.h"
+
+// static types
+struct UnkStruct_845318C
+{
+    // TODO: populate
+};
+
+// static declarations
+EWRAM_DATA struct VsSeekerStruct *gUnknown_203ADB8;
+void sub_810C730(u8 taskId);
+void sub_810C760(u8 taskId);
+void sub_810C8EC(u8 taskId);
+void sub_810C808(void);
+bool8 sub_810C96C(void);
+void sub_810C604(void);
+u8 sub_810C9A8(const void *);
+
+// rodata
+extern const struct UnkStruct_845318C gUnknown_845318C[];
+extern const u8 gUnknown_8453F5C[];
+
+// text
+void sub_810C670(u8 taskId)
+{
+    u8 i;
+    u8 respval;
+
+    for (i = 0; i < 16; i++)
+        gTasks[taskId].data[i] = 0;
+
+    gUnknown_203ADB8 = AllocZeroed(sizeof(struct VsSeekerStruct));
+    sub_810C808();
+    respval = sub_810C96C();
+    if (respval == 0)
+    {
+        Free(gUnknown_203ADB8);
+        DisplayItemMessageOnField(taskId, 2, gUnknown_81C137C, sub_80A1E0C);
+    }
+    else if (respval == 1)
+    {
+        Free(gUnknown_203ADB8);
+        DisplayItemMessageOnField(taskId, 2, gUnknown_81C13D6, sub_80A1E0C);
+    }
+    else if (respval == 2)
+    {
+        sub_80A2294(4, 0, gUnknown_203AD30, 0xffff);
+        FieldEffectStart(FLDEFF_UNK_41); // TODO: name this enum
+        gTasks[taskId].func = sub_810C730;
+        gTasks[taskId].data[0] = 15;
+    }
+}
+
+void sub_810C730(u8 taskId)
+{
+    if (--gTasks[taskId].data[0] == 0)
+    {
+        gTasks[taskId].func = sub_810C760;
+        gTasks[taskId].data[1] = 16;
+    }
+}
+
+void sub_810C760(u8 taskId)
+{
+    s16 * data = gTasks[taskId].data;
+
+    if (data[2] != 2 && --data[1] == 0)
+    {
+        PlaySE(SE_BASABASA);
+        data[1] = 11;
+        data[2]++;
+    }
+
+    if (!FieldEffectActiveListContains(FLDEFF_UNK_41))
+    {
+        data[1] = 0;
+        data[2] = 0;
+        sub_810C604();
+        gUnknown_203ADB8->unk_431_3 = sub_810C9A8(gUnknown_845318C);
+        ScriptMovement_StartObjectMovementScript(0xFF, gSaveBlock1Ptr->location.mapNum, gSaveBlock1Ptr->location.mapGroup, gUnknown_8453F5C);
+        gTasks[taskId].func = sub_810C8EC;
+    }
+}