decompile more of script_menu.c (#141)

* begin decompiling script_menu.c

* update MultichoiceStructs to use both structs

* decompile 2 more functions

* decompile more of script_menu.c

* do a bit more of script_menu.c

* whoops

* decompile task_yes_no_maybe

2 files changed, 202 insertions, 579 deletions

diff --git a/asm/script_menu.s b/asm/script_menu.s
index ab1b72340..5f03e65de 100644
--- a/asm/script_menu.s
+++ b/asm/script_menu.s
@@ -6,566 +6,6 @@
 
 	.text
 
-	thumb_func_start DrawMultichoiceMenu
-DrawMultichoiceMenu: @ 80B5138
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x14
-	mov r10, r3
-	ldr r3, [sp, 0x34]
-	ldr r4, [sp, 0x38]
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	lsls r1, 24
-	lsrs r1, 24
-	str r1, [sp, 0x8]
-	lsls r2, 24
-	lsrs r2, 24
-	mov r8, r2
-	lsls r3, 24
-	lsrs r3, 24
-	str r3, [sp, 0xC]
-	lsls r4, 24
-	lsrs r4, 24
-	str r4, [sp, 0x10]
-	mov r1, r10
-	ldr r0, [r1]
-	bl GetStringWidthInTilesForScriptMenu
-	lsls r0, 16
-	lsrs r5, r0, 16
-	movs r4, 0x1
-	cmp r4, r8
-	bcs _080B5198
-_080B517A:
-	lsls r0, r4, 3
-	add r0, r10
-	ldr r0, [r0]
-	bl GetStringWidthInTilesForScriptMenu
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r5, r0
-	bcs _080B518E
-	adds r5, r0, 0
-_080B518E:
-	adds r0, r4, 0x1
-	lsls r0, 24
-	lsrs r4, r0, 24
-	cmp r4, r8
-	bcc _080B517A
-_080B5198:
-	lsls r0, r5, 24
-	lsrs r7, r0, 24
-	mov r1, r9
-	adds r0, r7, r1
-	adds r0, 0x1
-	lsls r0, 24
-	lsrs r7, r0, 24
-	cmp r7, 0x1D
-	bls _080B51B8
-	mov r0, r9
-	adds r0, 0x1D
-	subs r0, r7
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	movs r7, 0x1D
-_080B51B8:
-	mov r1, r8
-	lsls r0, r1, 1
-	adds r0, 0x1
-	ldr r1, [sp, 0x8]
-	lsls r4, r1, 24
-	asrs r4, 24
-	adds r4, r0
-	lsls r4, 24
-	lsrs r4, 24
-	mov r0, r9
-	adds r2, r7, 0
-	adds r3, r4, 0
-	bl MenuDrawTextWindow
-	mov r6, r9
-	adds r6, 0x1
-	lsls r6, 24
-	lsrs r6, 24
-	ldr r5, [sp, 0x8]
-	adds r5, 0x1
-	lsls r5, 24
-	lsrs r5, 24
-	adds r0, r6, 0
-	adds r1, r5, 0
-	mov r2, r8
-	mov r3, r10
-	bl PrintMenuItems
-	ldr r0, [sp, 0x10]
-	str r0, [sp]
-	mov r1, r9
-	subs r0, r7, r1
-	subs r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	movs r0, 0
-	adds r1, r6, 0
-	adds r2, r5, 0
-	mov r3, r8
-	bl InitMenu
-	ldr r0, [sp, 0xC]
-	str r0, [sp]
-	mov r1, r8
-	str r1, [sp, 0x4]
-	mov r0, r9
-	ldr r1, [sp, 0x8]
-	adds r2, r7, 0
-	adds r3, r4, 0
-	bl sub_80B5230
-	add sp, 0x14
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end DrawMultichoiceMenu
-
-	thumb_func_start sub_80B5230
-sub_80B5230: @ 80B5230
-	push {r4-r6,lr}
-	mov r6, r9
-	mov r5, r8
-	push {r5,r6}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r6, r2, 0
-	ldr r0, [sp, 0x1C]
-	mov r8, r0
-	ldr r0, [sp, 0x20]
-	mov r9, r0
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r5, 24
-	lsrs r5, 24
-	lsls r6, 24
-	lsrs r6, 24
-	lsls r3, 24
-	lsrs r3, 24
-	mov r0, r8
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	mov r0, r9
-	lsls r0, 24
-	lsrs r0, 24
-	mov r9, r0
-	ldr r0, _080B5298 @ =sub_80B52B4
-	movs r1, 0x50
-	str r3, [sp]
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080B529C @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	strh r4, [r1, 0x8]
-	strh r5, [r1, 0xA]
-	strh r6, [r1, 0xC]
-	ldr r3, [sp]
-	strh r3, [r1, 0xE]
-	mov r0, r8
-	strh r0, [r1, 0x10]
-	mov r0, r9
-	cmp r0, 0x3
-	bls _080B52A0
-	movs r0, 0x1
-	b _080B52A2
-	.align 2, 0
-_080B5298: .4byte sub_80B52B4
-_080B529C: .4byte gTasks
-_080B52A0:
-	movs r0, 0
-_080B52A2:
-	strh r0, [r1, 0x12]
-	add sp, 0x4
-	pop {r3,r4}
-	mov r8, r3
-	mov r9, r4
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80B5230
-
-	thumb_func_start sub_80B52B4
-sub_80B52B4: @ 80B52B4
-	push {r4,r5,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r0, _080B52E0 @ =gPaletteFade
-	ldrb r1, [r0, 0x7]
-	movs r0, 0x80
-	ands r0, r1
-	cmp r0, 0
-	bne _080B534E
-	ldr r2, _080B52E4 @ =gTasks
-	lsls r1, r4, 2
-	adds r0, r1, r4
-	lsls r0, 3
-	adds r0, r2
-	movs r2, 0x12
-	ldrsh r0, [r0, r2]
-	adds r5, r1, 0
-	cmp r0, 0
-	bne _080B52E8
-	bl ProcessMenuInputNoWrap
-	b _080B52EC
-	.align 2, 0
-_080B52E0: .4byte gPaletteFade
-_080B52E4: .4byte gTasks
-_080B52E8:
-	bl ProcessMenuInput
-_080B52EC:
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r0, 24
-	asrs r1, r0, 24
-	movs r0, 0x2
-	negs r0, r0
-	cmp r1, r0
-	beq _080B534E
-	adds r0, 0x1
-	cmp r1, r0
-	bne _080B5328
-	ldr r0, _080B5320 @ =gTasks
-	adds r1, r5, r4
-	lsls r1, 3
-	adds r1, r0
-	movs r2, 0x10
-	ldrsh r0, [r1, r2]
-	cmp r0, 0
-	bne _080B534E
-	movs r0, 0x5
-	bl PlaySE
-	ldr r1, _080B5324 @ =gScriptResult
-	movs r0, 0x7F
-	strh r0, [r1]
-	b _080B532C
-	.align 2, 0
-_080B5320: .4byte gTasks
-_080B5324: .4byte gScriptResult
-_080B5328:
-	ldr r0, _080B5354 @ =gScriptResult
-	strh r1, [r0]
-_080B532C:
-	bl sub_8072DEC
-	ldr r0, _080B5358 @ =gTasks
-	adds r3, r5, r4
-	lsls r3, 3
-	adds r3, r0
-	ldrb r0, [r3, 0x8]
-	ldrb r1, [r3, 0xA]
-	ldrb r2, [r3, 0xC]
-	ldrb r3, [r3, 0xE]
-	bl MenuZeroFillWindowRect
-	adds r0, r4, 0
-	bl DestroyTask
-	bl EnableBothScriptContexts
-_080B534E:
-	pop {r4,r5}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080B5354: .4byte gScriptResult
-_080B5358: .4byte gTasks
-	thumb_func_end sub_80B52B4
-
-	thumb_func_start Multichoice
-Multichoice: @ 80B535C
-	push {r4-r7,lr}
-	sub sp, 0x4
-	lsls r0, 24
-	lsrs r7, r0, 24
-	lsls r1, 24
-	lsrs r6, r1, 24
-	lsls r2, 24
-	lsrs r4, r2, 24
-	lsls r3, 24
-	lsrs r5, r3, 24
-	ldr r0, _080B539C @ =sub_80B52B4
-	bl FuncIsActiveTask
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _080B53A8
-	ldr r1, _080B53A0 @ =gScriptResult
-	movs r0, 0xFF
-	strh r0, [r1]
-	ldr r1, _080B53A4 @ =gMultichoiceLists
-	lsls r0, r4, 3
-	adds r0, r1
-	ldrb r2, [r0, 0x4]
-	ldr r3, [r0]
-	str r5, [sp]
-	adds r0, r7, 0
-	adds r1, r6, 0
-	bl sub_80B53B4
-	movs r0, 0x1
-	b _080B53AA
-	.align 2, 0
-_080B539C: .4byte sub_80B52B4
-_080B53A0: .4byte gScriptResult
-_080B53A4: .4byte gMultichoiceLists
-_080B53A8:
-	movs r0, 0
-_080B53AA:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end Multichoice
-
-	thumb_func_start sub_80B53B4
-sub_80B53B4: @ 80B53B4
-	push {r4-r7,lr}
-	mov r7, r10
-	mov r6, r9
-	mov r5, r8
-	push {r5-r7}
-	sub sp, 0x8
-	adds r7, r3, 0
-	ldr r3, [sp, 0x28]
-	lsls r0, 24
-	lsrs r0, 24
-	mov r8, r0
-	lsls r1, 24
-	lsrs r1, 24
-	mov r9, r1
-	lsls r2, 24
-	lsrs r6, r2, 24
-	lsls r3, 24
-	lsrs r3, 24
-	mov r10, r3
-	ldr r0, [r7]
-	bl GetStringWidthInTilesForScriptMenu
-	lsls r0, 16
-	lsrs r4, r0, 16
-	movs r5, 0x1
-	cmp r5, r6
-	bcs _080B5408
-_080B53EA:
-	lsls r0, r5, 3
-	adds r0, r7
-	ldr r0, [r0]
-	bl GetStringWidthInTilesForScriptMenu
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r4, r0
-	bcs _080B53FE
-	adds r4, r0, 0
-_080B53FE:
-	adds r0, r5, 0x1
-	lsls r0, 24
-	lsrs r5, r0, 24
-	cmp r5, r6
-	bcc _080B53EA
-_080B5408:
-	lsls r4, 24
-	lsrs r4, 24
-	add r4, r8
-	adds r4, 0x2
-	lsls r4, 24
-	lsrs r4, 24
-	lsls r0, r6, 1
-	adds r0, 0x1
-	mov r1, r9
-	lsls r5, r1, 24
-	asrs r5, 24
-	adds r5, r0
-	lsls r5, 24
-	lsrs r5, 24
-	mov r0, r8
-	adds r2, r6, 0
-	adds r3, r7, 0
-	bl PrintMenuItems
-	movs r0, 0
-	str r0, [sp]
-	mov r1, r8
-	subs r0, r4, r1
-	subs r0, 0x1
-	lsls r0, 24
-	lsrs r0, 24
-	str r0, [sp, 0x4]
-	movs r0, 0
-	mov r2, r9
-	adds r3, r6, 0
-	bl InitMenu
-	mov r0, r10
-	str r0, [sp]
-	str r6, [sp, 0x4]
-	mov r0, r8
-	mov r1, r9
-	adds r2, r4, 0
-	adds r3, r5, 0
-	bl sub_80B5230
-	add sp, 0x8
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80B53B4
-
-	thumb_func_start yes_no_box
-yes_no_box: @ 80B546C
-	push {r4-r6,lr}
-	lsls r0, 24
-	lsrs r5, r0, 24
-	lsls r1, 24
-	lsrs r4, r1, 24
-	ldr r6, _080B54B4 @ =task_yes_no_maybe
-	adds r0, r6, 0
-	bl FuncIsActiveTask
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _080B54C0
-	ldr r1, _080B54B8 @ =gScriptResult
-	movs r0, 0xFF
-	strh r0, [r1]
-	adds r0, r5, 0
-	adds r1, r4, 0
-	movs r2, 0x1
-	bl DisplayYesNoMenu
-	adds r0, r6, 0
-	movs r1, 0x50
-	bl CreateTask
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r2, _080B54BC @ =gTasks
-	lsls r1, r0, 2
-	adds r1, r0
-	lsls r1, 3
-	adds r1, r2
-	strh r5, [r1, 0x8]
-	strh r4, [r1, 0xA]
-	movs r0, 0x1
-	b _080B54C2
-	.align 2, 0
-_080B54B4: .4byte task_yes_no_maybe
-_080B54B8: .4byte gScriptResult
-_080B54BC: .4byte gTasks
-_080B54C0:
-	movs r0, 0
-_080B54C2:
-	pop {r4-r6}
-	pop {r1}
-	bx r1
-	thumb_func_end yes_no_box
-
-	thumb_func_start unref_sub_80B54C8
-unref_sub_80B54C8: @ 80B54C8
-	push {lr}
-	ldr r0, _080B54D8 @ =gScriptResult
-	ldrh r0, [r0]
-	cmp r0, 0xFF
-	beq _080B54DC
-	movs r0, 0x1
-	b _080B54DE
-	.align 2, 0
-_080B54D8: .4byte gScriptResult
-_080B54DC:
-	movs r0, 0
-_080B54DE:
-	pop {r1}
-	bx r1
-	thumb_func_end unref_sub_80B54C8
-
-	thumb_func_start task_yes_no_maybe
-task_yes_no_maybe: @ 80B54E4
-	push {r4,lr}
-	lsls r0, 24
-	lsrs r4, r0, 24
-	ldr r1, _080B5504 @ =gTasks
-	lsls r0, r4, 2
-	adds r0, r4
-	lsls r0, 3
-	adds r1, r0, r1
-	ldrh r2, [r1, 0xC]
-	movs r3, 0xC
-	ldrsh r0, [r1, r3]
-	cmp r0, 0x4
-	bgt _080B5508
-	adds r0, r2, 0x1
-	strh r0, [r1, 0xC]
-	b _080B556A
-	.align 2, 0
-_080B5504: .4byte gTasks
-_080B5508:
-	bl ProcessMenuInputNoWrap
-	lsls r0, 24
-	asrs r1, r0, 24
-	movs r0, 0x1
-	negs r0, r0
-	cmp r1, r0
-	beq _080B552C
-	cmp r1, r0
-	bgt _080B5524
-	subs r0, 0x1
-	cmp r1, r0
-	beq _080B556A
-	b _080B5542
-_080B5524:
-	cmp r1, 0
-	beq _080B553C
-	cmp r1, 0x1
-	bne _080B5542
-_080B552C:
-	movs r0, 0x5
-	bl PlaySE
-	ldr r1, _080B5538 @ =gScriptResult
-	movs r0, 0
-	b _080B5540
-	.align 2, 0
-_080B5538: .4byte gScriptResult
-_080B553C:
-	ldr r1, _080B5570 @ =gScriptResult
-	movs r0, 0x1
-_080B5540:
-	strh r0, [r1]
-_080B5542:
-	ldr r0, _080B5574 @ =gTasks
-	lsls r1, r4, 2
-	adds r1, r4
-	lsls r1, 3
-	adds r1, r0
-	ldrb r0, [r1, 0x8]
-	ldrb r1, [r1, 0xA]
-	adds r2, r0, 0x6
-	lsls r2, 24
-	lsrs r2, 24
-	adds r3, r1, 0x5
-	lsls r3, 24
-	lsrs r3, 24
-	bl MenuZeroFillWindowRect
-	adds r0, r4, 0
-	bl DestroyTask
-	bl EnableBothScriptContexts
-_080B556A:
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080B5570: .4byte gScriptResult
-_080B5574: .4byte gTasks
-	thumb_func_end task_yes_no_maybe
-
 	thumb_func_start sub_80B5578
 sub_80B5578: @ 80B5578
 	push {r4-r7,lr}
diff --git a/src/script_menu.c b/src/script_menu.c
index d8d76c27c..1fdaba0c1 100644
--- a/src/script_menu.c
+++ b/src/script_menu.c
@@ -1,46 +1,229 @@
 #include "global.h"
 #include "task.h"
-#include "text.h"
 #include "menu.h"
+#include "palette.h"
+#include "script.h"
+#include "sound.h"
 
-extern void sub_80B52B4(u8);
-extern void DrawMultichoiceMenu(u8, u8, u8, u8 *, int, int);
-
-struct MultichoiceStruct
+struct MultichoiceListStruct
 {
-	u8 *textPtr;
-	u8 var;
+    struct MenuAction *list;
+    u8 count;
 };
 
-extern struct MultichoiceStruct gMultichoiceLists[];
+extern struct MultichoiceListStruct gMultichoiceLists[];
 
 extern u16 gScriptResult;
 
-bool8 sub_80B5054(u8 var1, u8 var2, u8 var3, u8 var4)
+void DrawMultichoiceMenu(u8, u8, u8, struct MenuAction *list, u8, u8);
+void sub_80B53B4(u8, u8, u8, struct MenuAction *list, u8);
+void sub_80B52B4(u8);
+void sub_80B5230(u8, u8, u8, u8, u8, u8);
+void task_yes_no_maybe(u8);
+
+bool8 sub_80B5054(u8 left, u8 top, u8 var3, u8 var4)
+{
+    if(FuncIsActiveTask(sub_80B52B4) == 1)
+        return FALSE;
+    else
+    {
+        gScriptResult = 0xFF;
+        DrawMultichoiceMenu(left, top, gMultichoiceLists[var3].count, gMultichoiceLists[var3].list, var4, 0);
+        return TRUE;
+    }
+}
+
+bool8 sub_80B50B0(u8 left, u8 top, u8 var3, u8 var4, u8 var5)
+{
+    if(FuncIsActiveTask(sub_80B52B4) == 1)
+        return FALSE;
+    else
+    {
+        gScriptResult = 0xFF;
+        DrawMultichoiceMenu(left, top, gMultichoiceLists[var3].count, gMultichoiceLists[var3].list, var4, var5);
+        return TRUE;
+    }
+}
+
+u16 GetStringWidthInTilesForScriptMenu(u8 *str)
+{
+    // each tile on screen is 8x8, so it needs the number of tiles and not pixels, hence the division by 8.
+    return (GetStringWidthGivenWindowConfig((struct WindowConfig *)&gWindowConfig_81E6CE4, str) + 7) / 8;
+}
+
+void DrawMultichoiceMenu(u8 left, u8 top, u8 count, struct MenuAction *list, u8 var4, u8 cursorPos)
+{
+    u16 width = GetStringWidthInTilesForScriptMenu(list[0].text);
+    u16 newWidth;
+    u8 i;
+    u8 right;
+    u8 bottom;
+
+    for(i = 1; i < count; i++)
+    {
+        newWidth = GetStringWidthInTilesForScriptMenu(list[i].text);
+        if(width < newWidth)
+            width = newWidth;
+    }
+    
+    right = width;
+    right = (right + left) + 1;
+
+    if(right > 29)
+    {
+        left = left + (29 - right);
+        right = 29;
+    }
+
+    bottom = top + (2 * count + 1);
+
+    MenuDrawTextWindow(left, top, right, bottom);
+    PrintMenuItems(left + 1, top + 1, count, list);
+    InitMenu(0, left + 1, top + 1, count, cursorPos, right - left - 1);
+    sub_80B5230(left, top, right, bottom, var4, count);
+}
+
+void sub_80B5230(u8 left, u8 top, u8 right, u8 bottom, u8 unkVar, u8 count)
+{
+    u8 taskId = CreateTask(sub_80B52B4, 80);
+
+    gTasks[taskId].data[0] = left;
+    gTasks[taskId].data[1] = top;
+    gTasks[taskId].data[2] = right;
+    gTasks[taskId].data[3] = bottom;
+    gTasks[taskId].data[4] = unkVar;
+
+    if(count > 3)
+        gTasks[taskId].data[5] = TRUE;
+    else
+        gTasks[taskId].data[5] = FALSE;
+}
+
+void sub_80B52B4(u8 taskId)
+{
+    s8 var;
+    
+    if(!gPaletteFade.active)
+    {
+        if(!gTasks[taskId].data[5])
+            var = ProcessMenuInputNoWrap();
+        else
+            var = ProcessMenuInput();
+        
+        if(var != -2)
+        {
+            if(var == -1)
+            {
+                if(!gTasks[taskId].data[4])
+                {
+                    PlaySE(5);
+                    gScriptResult = 127;
+                }
+				else
+					return;
+            }
+            else
+            {
+                gScriptResult = var;
+            }
+            sub_8072DEC();
+            MenuZeroFillWindowRect(gTasks[taskId].data[0], gTasks[taskId].data[1], gTasks[taskId].data[2], gTasks[taskId].data[3]);
+            DestroyTask(taskId);
+            EnableBothScriptContexts();
+        }
+    }
+}
+
+bool8 Multichoice(u8 var1, u8 var2, u8 var3, u8 var4)
 {
 	if(FuncIsActiveTask(sub_80B52B4) == 1)
 		return FALSE;
 	else
 	{
 		gScriptResult = 0xFF;
-		DrawMultichoiceMenu(var1, var2, gMultichoiceLists[var3].var, gMultichoiceLists[var3].textPtr, var4, 0);
+		sub_80B53B4(var1, var2, gMultichoiceLists[var3].count, gMultichoiceLists[var3].list, var4);
 		return TRUE;
 	}
 }
 
-bool8 sub_80B50B0(u8 var1, u8 var2, u8 var3, u8 var4, u8 var5)
+void sub_80B53B4(u8 left, u8 top, u8 count, struct MenuAction *list, u8 var4)
 {
-    if(FuncIsActiveTask(sub_80B52B4) == 1)
-        return FALSE;
-    else
+    u16 width = GetStringWidthInTilesForScriptMenu(list[0].text);
+    u16 newWidth;
+    u8 i;
+    u8 right;
+    u8 bottom;
+
+    for(i = 1; i < count; i++)
     {
-        gScriptResult = 0xFF;
-        DrawMultichoiceMenu(var1, var2, gMultichoiceLists[var3].var, gMultichoiceLists[var3].textPtr, var4, var5);
-        return TRUE;
+        newWidth = GetStringWidthInTilesForScriptMenu(list[i].text);
+        if(width < newWidth)
+            width = newWidth;
     }
+
+    right = width;
+    right = (right + left) + 2;
+    bottom = top + (2 * count + 1);
+
+    PrintMenuItems(left, top, count, list);
+    InitMenu(0, left, top, count, 0, right - left - 1);
+    sub_80B5230(left, top, right, bottom, var4, count);
 }
 
-u8 GetStringWidthInTilesForScriptMenu(u8 *str)
+bool8 yes_no_box(u8 var1, u8 var2)
 {
-    return (GetStringWidthGivenWindowConfig((struct WindowConfig *)&gWindowConfig_81E6CE4, str) + 7) / 8;
+	u8 taskId;
+
+	if(FuncIsActiveTask(task_yes_no_maybe) == 1)
+		return FALSE;
+	else
+	{
+		gScriptResult = 0xFF;
+		DisplayYesNoMenu(var1, var2, 1);
+		taskId = CreateTask(task_yes_no_maybe, 0x50);
+		gTasks[taskId].data[0] = var1;
+		gTasks[taskId].data[1] = var2;
+		return TRUE;
+	}
+}
+
+// unused
+bool8 IsScriptActive(void)
+{
+	if(gScriptResult == 0xFF)
+		return FALSE;
+	else
+		return TRUE;
+}
+
+void task_yes_no_maybe(u8 taskId)
+{
+    u8 left, top;
+
+    if (gTasks[taskId].data[2] < 5)
+    {
+        gTasks[taskId].data[2]++;
+        return;
+    }
+
+    switch (ProcessMenuInputNoWrap())
+    {
+    case -2:
+        return;
+    case -1:
+    case 1:
+        PlaySE(5);
+        gScriptResult = 0;
+        break;
+    case 0:
+        gScriptResult = 1;
+        break;
+    }
+
+    left = gTasks[taskId].data[0];
+    top = gTasks[taskId].data[1];
+
+    MenuZeroFillWindowRect(left, top, left + 6, top + 5);
+    DestroyTask(taskId);
+    EnableBothScriptContexts();
 }