public void SetItemSize(int itemIndex, float size)
{
int groupIndex = itemIndex / mItemMaxCountPerGroup;
int indexInGroup = itemIndex % mItemMaxCountPerGroup;
ItemSizeGroup tGroup = this.mItemSizeGroupList[groupIndex];
float changedSize = tGroup.SetItemSize(indexInGroup, size);
if (changedSize != 0f)
{
if (groupIndex < this.mDirtyBeginIndex)
{
this.mDirtyBeginIndex = groupIndex;
}
}
this.mTotalSize += changedSize;
}
public void SetItemSize(int itemIndex, float size)
{
int groupIndex = itemIndex / mItemMaxCountPerGroup;
int indexInGroup = itemIndex % mItemMaxCountPerGroup;
ItemSizeGroup tGroup = mItemSizeGroupList[groupIndex];
float changedSize = tGroup.SetItemSize(indexInGroup, size);
if (changedSize != 0f)
{
if (groupIndex < mDirtyBeginIndex)
{
mDirtyBeginIndex = groupIndex;
}
}
mTotalSize += changedSize;
if (groupIndex > mMaxNotEmptyGroupIndex && size > 0)
{
mMaxNotEmptyGroupIndex = groupIndex;
}
}
//根据总Item索引设置size大小
public void SetItemSize(int itemIndex, float size)
{
int groupIndex = itemIndex / mItemMaxCountPerGroup; //Item所在组的索引
int indexInGroup = itemIndex % mItemMaxCountPerGroup; //在组内的索引
ItemSizeGroup tGroup = mItemSizeGroupList[groupIndex];
float changedSize = tGroup.SetItemSize(indexInGroup, size); //更新总索引为itemIndex出的数据-》size，并返回新的Item大小减去之前的大小的差值
if (changedSize != 0f)
{
if (groupIndex < mDirtyBeginIndex)
{//更新
mDirtyBeginIndex = groupIndex;
}
}
mTotalSize += changedSize;//更新大小
if (groupIndex > mMaxNotEmptyGroupIndex && size > 0)
{
//更新最大不为空的组在链表中的索引
mMaxNotEmptyGroupIndex = groupIndex;
}
}