public void generateNeighborLinks(OpenHeightfield field)
{
if( field == null )
{
Logger.LogError("[OpenHeightfieldBuilder][generateNeighborLinks]field Empty");
return;
}
OpenHeightfield.OpenHeightFieldIterator iter = field.GetEnumerator();
while( iter.MoveNext() )
{
OpenHeightSpan span = iter.Current;
for(int dir = 0; dir < 4; ++dir)
{
//邻居的GirdIndex
int nWidthIndex = (iter.widthIndex() + BoundeField.getDirOffsetWidth(dir));
int nDepthIndex = (iter.depthIndex() + BoundeField.getDirOffsetDepth(dir));
for(OpenHeightSpan nSpan = field.getData(nWidthIndex,nDepthIndex);
nSpan != null;
nSpan = nSpan.next())
{
int maxFloor = Math.Max(span.floor(), nSpan.floor());
int minCeling = Math.Min(span.ceiling(), nSpan.ceiling());
if( (minCeling - maxFloor) >= mMinTraversableHeight //邻居之间的通道足够高，可以通过
&& Math.Abs(nSpan.floor() - span.floor()) <= mMaxTraversableStep ) //两邻居之间的落差足够小
{
span.setNeighbor(dir, nSpan);
break;
}
}
}
}
}
public bool MoveNext()
{
if (mOpenHeightfield == null)
{
Logger.LogError("[OpenHeightfield][OpenHeightFieldIterator][MoveNext]Null");
return(false);
}
//公有逻辑
if (mNext != null)
{
if (mNext.next() != null)
{
mNext = mNext.next();
return(true);
}
else
{
if (mIsReverseIter)
{
mNextWidth--;
}
else
{
mNextWidth++;
}
}
}
if (mIsReverseIter)
{
#region 反向遍历
for (int depthIndex = mNextDepth; depthIndex >= 0; --depthIndex)
{
for (int widthIndex = mNextWidth; widthIndex >= 0; --widthIndex)
{
OpenHeightSpan span = mOpenHeightfield.getData(widthIndex, depthIndex);
if (span != null)
{
mNext = span;
mNextWidth = widthIndex;
mNextDepth = depthIndex;
return(true);
}
}
mNextWidth = 0;
}
mNext = null;
mNextDepth = -1;
mNextWidth = -1;
return(false);
#endregion
}
else
{
#region 正向遍历
for (int depthIndex = mNextDepth; depthIndex < mOpenHeightfield.depth(); ++depthIndex)
{
for (int widthIndex = mNextWidth; widthIndex < mOpenHeightfield.width(); widthIndex++)
{
OpenHeightSpan span = mOpenHeightfield.getData(widthIndex, depthIndex);
if (span != null)
{
mNext = span;
mNextWidth = widthIndex;
mNextDepth = depthIndex;
return(true);
}
}
mNextWidth = 0;
}
mNext = null;
mNextDepth = -1;
mNextWidth = -1;
return(false);
#endregion
} // if-else
} // MoveNext
