public bool CompareVisibleBits(PVSCell other)
{
if (other == null)
{
return(false);
}
if (visibleBits == null)
{
return(false);
}
if (visibleBits.Length != other.visibleBits.Length)
{
return(false);
}
for (int i = 0; i < visibleBits.Length; ++i)
{
var b1 = visibleBits[i];
var b2 = other.visibleBits[i];
if (b1 != b2)
{
return(false);
}
}
return(true);
}
public void UpdateViewer(IPVSViewer viewer, Action <PVSCell> onViewObjChged)
{
if (viewer == null)
{
return;
}
Vector2 pos = viewer.ViewPos;
PVSCell currCell = viewer._CurrentCell;
if (currCell != null)
{
if (currCell.Rectangle.Contains(pos))
{
return;
}
}
var results = SearchCell(pos);
if (results != null && results.Count > 0)
{
var newCell = results[0];
if (newCell != currCell)
{
viewer._CurrentCell = newCell;
if (onViewObjChged != null)
{
onViewObjChged(newCell);
}
}
}
}
void InitCellResults()
{
if (m_CellArray == null || m_CellArray.Length <= 0 || m_BoundsArray == null || m_BoundsArray.Length <= 0)
{
return;
}
int cnt = Mathf.CeilToInt(m_GlobalNodeId / 8.0f);
m_CellsResult = new PVSCell[m_CellArray.Length];
for (int i = 0; i < m_CellsResult.Length; ++i)
{
var pt = m_CellArray[i];
if (!m_CellIngoreArray.Contains(i) && pt.magnitude > Vector3.kEpsilon)
{
PVSCell cell = new PVSCell();
m_CellsResult[i] = cell;
cell.visibleBits = new byte[cnt];
cell.position = pt;
}
else
{
m_CellsResult[i] = null;
}
}
}
private void DoStart(int cellIdx, Camera targetCamera, PVSCell cell, PVSItemIDS items, RenderTexture targetTexture)
{
// 1. 设置Camera的位置
var camTrans = targetCamera.transform;
camTrans.position = cell.position;
// 2.设置RT
// 3.渲染Items
//int faceMask = 1 << (int)CubemapFace.PositiveZ;
//targetCamera.RenderToCubemap(targetTexture, faceMask);
targetCamera.Render();
//SaveCellRtToFileName (cellIdx, targetTexture);
}
static PVSCell[] CombinePVSCells(int rowCnt, int colCnt, PVSCell[] cells, Rect allBounds)
{
PVSCell[] ret = null;
QuadGroupTree <PVSCell> quadTree = new QuadGroupTree <PVSCell>(rowCnt, colCnt, cells);
int oldCnt = quadTree.LeafCount;
System.Func <PVSCell, PVSCell, PVSCell, PVSCell, bool> onCompare =
(PVSCell c1, PVSCell c2, PVSCell c3, PVSCell c4) => {
bool r1 = (c1.lod == c2.lod && c2.lod == c3.lod && c3.lod == c4.lod) &&
c1.CompareVisibleBits(c2) && c2.CompareVisibleBits(c3) && c3.CompareVisibleBits(c4);
if (r1 && c1.lod >= 255)
{
return(false);
}
return(r1);
};
System.Func <PVSCell, PVSCell, PVSCell, PVSCell, PVSCell> onCreate =
(PVSCell c1, PVSCell c2, PVSCell c3, PVSCell c4) => {
PVSCell r2 = new PVSCell();
int newLod = c1.lod + 1;
r2.lod = (byte)newLod;
r2.position = (c1.position + c2.position + c3.position + c4.position) / 4.0f;
r2.visibleBits = c1.visibleBits;
return(r2);
};
int inputCnt = quadTree.LeafCount;
while (quadTree.Combine(onCompare, onCreate))
{
}
List <PVSCell> cellList = quadTree.ToList();
if (cellList != null && cellList.Count > 0)
{
ret = cellList.ToArray();
}
int resultCnt = quadTree.LeafCount;
Debug.LogFormat("Input Cell Count: {0:D} result Cell Count: {1:D}", inputCnt, resultCnt);
quadTree.Dispose();
return(ret);
}
private static int OnPVSCellArraySort(PVSCell c1, PVSCell c2)
{
if (c1 == null && c2 == null)
{
return(0);
}
if (c1 == null)
{
return(1);
}
if (c2 == null)
{
return(-1);
}
int ret = c1.CheckCompare(c2);
return(ret);
}
public int CheckCompare(PVSCell other)
{
if (other == null)
{
return(-1);
}
if (other.visibleBits == null && this.visibleBits == null)
{
return(0);
}
if (other.visibleBits == null)
{
return(-1);
}
if (this.visibleBits == null)
{
return(1);
}
int ret = visibleBits.Length - other.visibleBits.Length;
if (ret != 0)
{
return(ret);
}
for (int i = 0; i < visibleBits.Length; ++i)
{
var b1 = visibleBits[i];
var b2 = other.visibleBits[i];
ret = b1 - b2;
if (ret != 0)
{
return(ret);
}
}
return(ret);
}
public unsafe void LoadFromStream(Stream stream)
{
Clear(false);
if (stream == null)
{
return;
}
PVSNodeHeader header;
ReadFromStream(stream, out header);
int bitLen = 0;
if (m_InstanceIDToIDMap != null && m_InstanceIDToIDMap.Count > 0)
{
bitLen = Mathf.CeilToInt(((float)m_InstanceIDToIDMap.Count) / 8.0f);
}
// 1.读取visibleBitArray
List <byte[]> visibleArrayList = null;
if (header.saveMode == (byte)PVSSaveMode.bitsArrayMode)
{
if (m_InstanceIDToIDMap != null && m_InstanceIDToIDMap.Count > 0)
{
visibleArrayList = new List <byte[]>(header.bitsArrayLength);
for (int i = 0; i < header.bitsArrayLength; ++i)
{
byte[] array = new byte[bitLen];
stream.Read(array, 0, bitLen);
visibleArrayList.Add(array);
}
}
}
// 2.读取Cell
if ((header.saveMode == (byte)PVSSaveMode.bitsCellMode) || (visibleArrayList != null && visibleArrayList.Count > 0))
{
Rect quadTreeRect = new Rect();
quadTreeRect.size = header.quadTreeSize;
quadTreeRect.center = header.quadTreeCenter;
if (m_CellTree == null)
{
m_CellTree = new QuadTree <PVSCell>(quadTreeRect, PVSCell.CellSize * PVSCell.CellSize);
}
else
{
m_CellTree.Init(quadTreeRect, PVSCell.CellSize * PVSCell.CellSize);
}
for (int i = 0; i < header.cellCount; ++i)
{
var cell = new PVSCell();
cell.LoadFromStream(stream, visibleArrayList, (PVSSaveMode)header.saveMode, bitLen);
m_CellTree.Insert(cell);
}
#if UNITY_EDITOR
Debug.LogFormat("header Cell Count: {0:D} Loaded Cell Count: {1:D}", header.cellCount, m_CellTree.Count);
#endif
}
}
