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Document and cleanup some decoration code

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This commit is contained in:
Marcus Huderle
2019-04-06 12:41:55 -05:00
committed by huderlem
parent 6a14cd418e
commit fe12f2f4b3
12 changed files with 1020 additions and 1080 deletions
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14
src/menu_helpers.c
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@@ -344,17 +344,17 @@ void sub_812220C(struct ItemSlot *slots, u8 count, u8 *arg2, u8 *usedSlotsCount,
*arg2 = (*usedSlotsCount);
}
void sub_812225C(u16 *arg0, u16 *arg1, u8 arg2, u8 arg3)
void sub_812225C(u16 *scrollOffset, u16 *cursorPos, u8 maxShownItems, u8 numItems)
{
if ((*arg0) != 0 && (*arg0) + arg2 > arg3)
(*arg0) = arg3 - arg2;
if (*scrollOffset != 0 && *scrollOffset + maxShownItems > numItems)
*scrollOffset = numItems - maxShownItems;
if ((*arg0) + (*arg1) >= arg3)
if (*scrollOffset + *cursorPos >= numItems)
{
if (arg3 == 0)
(*arg1) = 0;
if (numItems == 0)
*cursorPos = 0;
else
(*arg1) = arg3 - 1;
*cursorPos = numItems - 1;
}
}