DynamicAtlasPage CreateNewPage()
{
var page = new DynamicAtlasPage(m_PageList.Count, m_Width, m_Height, m_TempColor);
m_PageList.Add(page);
return(page);
}
private IntegerRectangle InsertArea(int width, int height, out int index)
{
IntegerRectangle result = null;
IntegerRectangle freeArea = null;
DynamicAtlasPage page = null;
for (int i = 0; i < m_PageList.Count; i++)
{
int fIndex = m_PageList[i].GetFreeAreaIndex(width, height, m_Padding);
if (fIndex >= 0)
{
page = m_PageList[i];
freeArea = page.freeAreasList[fIndex];
break;
}
}
if (freeArea == null)
{
Debug.LogError("No Free Area----Create New Page");
page = CreateNewPage();
freeArea = page.freeAreasList[0];
}
result = DynamicAtlasMgr.S.AllocateIntegerRectangle(freeArea.x, freeArea.y, width, height);
GenerateNewFreeAreas(result, page);
page.RemoveFreeArea(freeArea);
index = page.index;
return(result);
}
private void GenerateNewFreeAreas(IntegerRectangle target, DynamicAtlasPage page)
{
int x = target.x;
int y = target.y;
int right = target.right + 1 + m_Padding;
int top = target.top + 1 + m_Padding;
IntegerRectangle targetWithPadding = null;
if (m_Padding == 0)
{
targetWithPadding = target;
}
for (int i = page.freeAreasList.Count - 1; i >= 0; i--)
{
IntegerRectangle area = page.freeAreasList[i];
if (!(x >= area.right || right <= area.x || y >= area.top || top <= area.y))
{
if (targetWithPadding == null)
{
targetWithPadding = DynamicAtlasMgr.S.AllocateIntegerRectangle(target.x, target.y, target.width + m_Padding, target.height + m_Padding);
}
GenerateDividedAreas(targetWithPadding, area, m_WaitAddNewAreaList);
IntegerRectangle topOfStack = page.freeAreasList.Pop();
if (i < page.freeAreasList.Count)
{
// Move the one on the top to the freed position
page.freeAreasList[i] = topOfStack;
}
}
}
if (targetWithPadding != null && targetWithPadding != target)
{
DynamicAtlasMgr.S.ReleaseIntegerRectangle(targetWithPadding);
}
FilterSelfSubAreas(m_WaitAddNewAreaList);
while (m_WaitAddNewAreaList.Count > 0)
{
var free = m_WaitAddNewAreaList.Pop();
page.AddFreeArea(free);
}
// if (target.right > m_PackedWidth)
// m_PackedWidth = target.right;
// if (target.top > m_PackedHeight)
// m_PackedHeight = target.top;
}
