public bool Equals(PotentiallyVisibleSet other)
{
if (m_setSize != other.m_setSize)
{
return(false);
}
if ((m_visibilityFlags == null && other.m_visibilityFlags != null) ||
(m_visibilityFlags != null && other.m_visibilityFlags == null))
{
return(false);
}
else if (m_visibilityFlags != null && other.m_visibilityFlags != null)
{
if (m_visibilityFlags.Length != other.m_visibilityFlags.Length)
{
return(false);
}
else
{
for (int bitIndex = 0; bitIndex < m_visibilityFlags.Length; bitIndex++)
{
if (m_visibilityFlags[bitIndex] != other.m_visibilityFlags[bitIndex])
{
return(false);
}
}
}
}
return(true);
}
public bool Equals(PotentiallyVisibleSet other)
{
if (m_setSize != other.m_setSize)
{
return false;
}
if ((m_visibilityFlags == null && other.m_visibilityFlags != null) ||
(m_visibilityFlags != null && other.m_visibilityFlags == null))
{
return false;
}
else if (m_visibilityFlags != null && other.m_visibilityFlags != null)
{
if (m_visibilityFlags.Length != other.m_visibilityFlags.Length)
{
return false;
}
else
{
for (int bitIndex = 0; bitIndex < m_visibilityFlags.Length; bitIndex++)
{
if (m_visibilityFlags[bitIndex] != other.m_visibilityFlags[bitIndex])
{
return false;
}
}
}
}
return true;
}
public NavMesh()
{
m_roomKey = null;
m_boundingBox = new AABB3d();
m_rowCount = 0;
m_colomnCount = 0;
m_nonEmptyNavCellCount = 0;
m_navCells = null;
m_pvs = null;
}
public static PotentiallyVisibleSet FromCompressedRawByteArray(uint setSize, byte[] compressedBytes)
{
PotentiallyVisibleSet pvs = new PotentiallyVisibleSet();
byte[] uncompressedBytes =
CompressionUtilities.RunLengthDecodeByteArray(
compressedBytes, CompressionUtilities.eEncodeType.Ones, null);
pvs.m_visibilityFlags = new BitArray(uncompressedBytes);
pvs.m_visibilityFlags.Length = BitsNeededForSetSize(setSize);
pvs.m_setSize = setSize;
return pvs;
}
public static PotentiallyVisibleSet FromCompressedRawByteArray(uint setSize, byte[] compressedBytes)
{
PotentiallyVisibleSet pvs = new PotentiallyVisibleSet();
byte[] uncompressedBytes =
CompressionUtilities.RunLengthDecodeByteArray(
compressedBytes, CompressionUtilities.eEncodeType.Ones, null);
pvs.m_visibilityFlags = new BitArray(uncompressedBytes);
pvs.m_visibilityFlags.Length = BitsNeededForSetSize(setSize);
pvs.m_setSize = setSize;
return(pvs);
}
public NavMesh(RoomKey roomKey, NavMesh navMeshTemplate)
{
m_roomKey = new RoomKey(roomKey);
m_boundingBox = new AABB3d(navMeshTemplate.m_boundingBox);
m_rowCount = navMeshTemplate.m_rowCount;
m_colomnCount = navMeshTemplate.m_colomnCount;
m_nonEmptyNavCellCount = navMeshTemplate.m_nonEmptyNavCellCount;
m_navCells = new NavCell[navMeshTemplate.m_navCells.Length];
Array.Copy(navMeshTemplate.m_navCells, m_navCells, m_navCells.Length);
m_pvs = new PotentiallyVisibleSet(navMeshTemplate.m_pvs);
}
public static NavMesh FromCompressedNavMeshData(byte[] compressedNavCells, byte[] compressedPVS)
{
NavMesh navMesh = new NavMesh();
if (compressedNavCells != null && compressedNavCells.Length > 0)
{
navMesh.NavCellsFromCompressedRawByteArray(compressedNavCells);
}
if (compressedPVS != null && compressedPVS.Length > 0)
{
navMesh.m_pvs = PotentiallyVisibleSet.FromCompressedRawByteArray(navMesh.m_nonEmptyNavCellCount, compressedPVS);
}
return(navMesh);
}
private void BuildNavCellPotentiallyVisibleSet()
{
if (m_nonEmptyNavCellCount > 0)
{
// Only need PVS information on non-empty nav cells
m_pvs = new PotentiallyVisibleSet(m_nonEmptyNavCellCount);
// Raycast from each non-empty nav cell...
for (int startNavCellIndex = 0; startNavCellIndex < m_navCells.Length; ++startNavCellIndex)
{
NavRef startNavRef = new NavRef(startNavCellIndex, m_roomKey);
NavCell startNavCell = m_navCells[startNavCellIndex];
if (startNavCell.connectivityId != EMPTY_NAV_CELL)
{
// ... to every other non-empty nav cell
for (int endNavCellIndex = 0; endNavCellIndex < m_navCells.Length; ++endNavCellIndex)
{
NavCell endNavCell = m_navCells[endNavCellIndex];
if (startNavCellIndex != endNavCellIndex &&
endNavCell.connectivityId != EMPTY_NAV_CELL)
{
NavRef endNavRef = new NavRef(endNavCellIndex, m_roomKey);
Point3d start = ComputeNavCellCenter((uint)startNavCellIndex);
Point3d end = ComputeNavCellCenter((uint)endNavCellIndex);
float t;
bool hit = Raycast(start, startNavRef, end, endNavRef, out t);
// Mark visibility in the PVS where the raycast succeeds
if (!hit)
{
m_pvs.SetCellCanSeeOtherCell((uint)startNavCell.pvsCellIndex, (uint)endNavCell.pvsCellIndex);
}
}
}
}
}
}
}
public PotentiallyVisibleSet(PotentiallyVisibleSet pvs)
{
m_setSize = pvs.m_setSize;
m_visibilityFlags = new BitArray(pvs.m_visibilityFlags);
}
public PotentiallyVisibleSet(PotentiallyVisibleSet pvs)
{
m_setSize = pvs.m_setSize;
m_visibilityFlags = new BitArray(pvs.m_visibilityFlags);
}
public NavMesh()
{
m_roomKey = null;
m_boundingBox = new AABB3d();
m_rowCount = 0;
m_colomnCount = 0;
m_nonEmptyNavCellCount = 0;
m_navCells = null;
m_pvs = null;
}
private void BuildNavCellPotentiallyVisibleSet()
{
if (m_nonEmptyNavCellCount > 0)
{
// Only need PVS information on non-empty nav cells
m_pvs = new PotentiallyVisibleSet(m_nonEmptyNavCellCount);
// Raycast from each non-empty nav cell...
for (int startNavCellIndex = 0; startNavCellIndex < m_navCells.Length; ++startNavCellIndex)
{
NavRef startNavRef = new NavRef(startNavCellIndex, m_roomKey);
NavCell startNavCell = m_navCells[startNavCellIndex];
if (startNavCell.connectivityId != EMPTY_NAV_CELL)
{
// ... to every other non-empty nav cell
for (int endNavCellIndex = 0; endNavCellIndex < m_navCells.Length; ++endNavCellIndex)
{
NavCell endNavCell = m_navCells[endNavCellIndex];
if (startNavCellIndex != endNavCellIndex &&
endNavCell.connectivityId != EMPTY_NAV_CELL)
{
NavRef endNavRef = new NavRef(endNavCellIndex, m_roomKey);
Point3d start = ComputeNavCellCenter((uint)startNavCellIndex);
Point3d end = ComputeNavCellCenter((uint)endNavCellIndex);
float t;
bool hit = Raycast(start, startNavRef, end, endNavRef, out t);
// Mark visibility in the PVS where the raycast succeeds
if (!hit)
{
m_pvs.SetCellCanSeeOtherCell((uint)startNavCell.pvsCellIndex, (uint)endNavCell.pvsCellIndex);
}
}
}
}
}
}
}
public NavMesh(RoomKey roomKey, NavMesh navMeshTemplate)
{
m_roomKey = new RoomKey(roomKey);
m_boundingBox = new AABB3d(navMeshTemplate.m_boundingBox);
m_rowCount = navMeshTemplate.m_rowCount;
m_colomnCount = navMeshTemplate.m_colomnCount;
m_nonEmptyNavCellCount = navMeshTemplate.m_nonEmptyNavCellCount;
m_navCells = new NavCell[navMeshTemplate.m_navCells.Length];
Array.Copy(navMeshTemplate.m_navCells, m_navCells, m_navCells.Length);
m_pvs = new PotentiallyVisibleSet(navMeshTemplate.m_pvs);
}
