public bool GetItemIndexAndPosAtGivenPos(float pos, ref int index, ref float itemPos)
{
Update(true);
index = 0;
itemPos = 0f;
int count = mItemSizeGroupList.Count;
if (count == 0)
{
return(true);
}
ItemSizeGroup hitGroup = null;
int low = 0;
int high = count - 1;
if (mItemDefaultSize == 0f)
{
if (mMaxNotEmptyGroupIndex < 0)
{
mMaxNotEmptyGroupIndex = 0;
}
high = mMaxNotEmptyGroupIndex;
}
while (low <= high)
{
int mid = (low + high) / 2;
ItemSizeGroup tGroup = mItemSizeGroupList[mid];
if (tGroup.mGroupStartPos <= pos && tGroup.mGroupEndPos >= pos)
{
hitGroup = tGroup;
break;
}
else if (pos > tGroup.mGroupEndPos)
{
low = mid + 1;
}
else
{
high = mid - 1;
}
}
int hitIndex = -1;
if (hitGroup != null)
{
hitIndex = hitGroup.GetItemIndexByPos(pos - hitGroup.mGroupStartPos);
}
else
{
return(false);
}
if (hitIndex < 0)
{
return(false);
}
index = hitIndex + hitGroup.mGroupIndex * mItemMaxCountPerGroup;
itemPos = hitGroup.GetItemStartPos(hitIndex);
return(true);
}
public bool GetItemIndexAndPosAtGivenPos(float pos, ref int index, ref float itemPos)
{
this.Update(true);
index = 0;
itemPos = 0.0f;
int count = this.mItemSizeGroupList.Count;
if (count == 0)
{
return(true);
}
ItemSizeGroup itemSizeGroup = (ItemSizeGroup)null;
int num1 = 0;
int num2 = count - 1;
if ((double)this.mItemDefaultSize == 0.0)
{
if (this.mMaxNotEmptyGroupIndex < 0)
{
this.mMaxNotEmptyGroupIndex = 0;
}
num2 = this.mMaxNotEmptyGroupIndex;
}
while (num1 <= num2)
{
int index1 = (num1 + num2) / 2;
ItemSizeGroup mItemSizeGroup = this.mItemSizeGroupList[index1];
if ((double)mItemSizeGroup.mGroupStartPos <= (double)pos && (double)mItemSizeGroup.mGroupEndPos >= (double)pos)
{
itemSizeGroup = mItemSizeGroup;
break;
}
if ((double)pos > (double)mItemSizeGroup.mGroupEndPos)
{
num1 = index1 + 1;
}
else
{
num2 = index1 - 1;
}
}
if (itemSizeGroup == null)
{
return(false);
}
int itemIndexByPos = itemSizeGroup.GetItemIndexByPos(pos - itemSizeGroup.mGroupStartPos);
if (itemIndexByPos < 0)
{
return(false);
}
index = itemIndexByPos + itemSizeGroup.mGroupIndex * 100;
itemPos = itemSizeGroup.GetItemStartPos(itemIndexByPos);
return(true);
}
public void GetItemIndexAndPosAtGivenPos(float pos, ref int index, ref float itemPos)
{
this.Update(true);
index = 0;
itemPos = 0f;
int count = this.mItemSizeGroupList.Count;
if (count == 0)
{
return;
}
ItemSizeGroup hitGroup = null;
int low = 0;
int high = count - 1;
while (low <= high)
{
int mid = (low + high) / 2;
ItemSizeGroup tGroup = this.mItemSizeGroupList[mid];
if (tGroup.mGroupStartPos <= pos && tGroup.mGroupEndPos >= pos)
{
hitGroup = tGroup;
break;
}
else if (pos > tGroup.mGroupEndPos)
{
low = mid + 1;
}
else
{
high = mid - 1;
}
}
int hitIndex = -1;
if (hitGroup != null)
{
hitIndex = hitGroup.GetItemIndexByPos(pos - hitGroup.mGroupStartPos);
}
else
{
return;
}
if (hitIndex < 0)
{
return;
}
index = hitIndex + hitGroup.mGroupIndex * mItemMaxCountPerGroup;
itemPos = hitGroup.GetItemStartPos(hitIndex);
}