// This returns the next point to process
public TilePoint GetNextPoint()
{
TilePoint p = PointByIndex(nextindex++);
p.x += position.X;
p.y += position.Y;
return(p);
}
// This fills points with the given tile data over the specified granularity
private void FillPoints(ref TilePoint p, uint t)
{
int xs = p.x - position.X;
int ys = p.y - position.Y;
int xe = xs + p.granularity;
int ye = ys + p.granularity;
for (int x = xs; x < xe; x++)
{
for (int y = ys; y < ye; y++)
{
points[y][x] = t;
}
}
}
// The thread!
private void ProcessingThread(object index)
{
// Get function pointers
VPO_GetError GetError = (VPO_GetError)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_GetError"), typeof(VPO_GetError));
VPO_LoadWAD LoadWAD = (VPO_LoadWAD)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_LoadWAD"), typeof(VPO_LoadWAD));
VPO_OpenMap OpenMap = (VPO_OpenMap)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_OpenMap"), typeof(VPO_OpenMap));
VPO_FreeWAD FreeWAD = (VPO_FreeWAD)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_FreeWAD"), typeof(VPO_FreeWAD));
VPO_CloseMap CloseMap = (VPO_CloseMap)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_CloseMap"), typeof(VPO_CloseMap));
VPO_TestSpot TestSpot = (VPO_TestSpot)Marshal.GetDelegateForFunctionPointer(GetProcAddress(dlls[(int)index], "VPO_TestSpot"), typeof(VPO_TestSpot));
try
{
// Load the map
if (LoadWAD(filename) != 0)
{
throw new Exception("VPO is unable to read this file.");
}
if (OpenMap(mapname) != 0)
{
throw new Exception("VPO is unable to open this map.");
}
// Processing
Queue <TilePoint> todo = new Queue <TilePoint>(POINTS_PER_ITERATION);
Queue <PointData> done = new Queue <PointData>(POINTS_PER_ITERATION);
while (true)
{
lock (points)
{
// Flush done points to the results
int numdone = done.Count;
for (int i = 0; i < numdone; i++)
{
results.Enqueue(done.Dequeue());
}
// Get points from the waiting queue into my todo queue for processing
int numtodo = Math.Min(POINTS_PER_ITERATION, points.Count);
for (int i = 0; i < numtodo; i++)
{
todo.Enqueue(points.Dequeue());
}
}
// Don't keep locking!
if (todo.Count == 0)
{
Thread.Sleep(31);
}
// Process the points
while (todo.Count > 0)
{
TilePoint p = todo.Dequeue();
PointData pd = new PointData();
pd.point = p;
for (int i = 0; i < TEST_ANGLES.Length; i++)
{
pd.result = (PointResult)TestSpot(p.x, p.y, TEST_HEIGHT, TEST_ANGLES[i],
ref pd.visplanes, ref pd.drawsegs, ref pd.openings, ref pd.solidsegs);
}
done.Enqueue(pd);
}
}
}
catch (ThreadInterruptedException)
{
}
finally
{
CloseMap();
FreeWAD();
}
}
// The thread!
private void ProcessingThread()
{
IntPtr context = VPO_NewContext();
// Load the map
bool isHexen = General.Map.HEXEN;
if (VPO_LoadWAD(context, filename) != 0)
{
throw new Exception("VPO is unable to read this file.");
}
if (VPO_OpenMap(context, mapname, ref isHexen) != 0)
{
throw new Exception("VPO is unable to open this map.");
}
VPO_OpenDoorSectors(context, BuilderPlug.InterfaceForm.OpenDoors ? 1 : -1); //mxd
// Processing
Queue <TilePoint> todo = new Queue <TilePoint>(POINTS_PER_ITERATION);
Queue <PointData> done = new Queue <PointData>(POINTS_PER_ITERATION);
while (true)
{
lock (points)
{
// Wait for work
if (points.Count == 0 && !stopflag)
{
Monitor.Wait(points);
}
// Flush done points to the results
int numdone = done.Count;
for (int i = 0; i < numdone; i++)
{
results.Enqueue(done.Dequeue());
}
if (stopflag)
{
break;
}
// Get points from the waiting queue into my todo queue for processing
int numtodo = Math.Min(POINTS_PER_ITERATION, points.Count);
for (int i = 0; i < numtodo; i++)
{
todo.Enqueue(points.Dequeue());
}
}
// Process the points
while (todo.Count > 0)
{
TilePoint p = todo.Dequeue();
PointData pd = new PointData();
pd.point = p;
for (int i = 0; i < TEST_ANGLES.Length; i++)
{
pd.result = (PointResult)VPO_TestSpot(context, p.x, p.y, TEST_HEIGHT, TEST_ANGLES[i],
ref pd.visplanes, ref pd.drawsegs, ref pd.openings, ref pd.solidsegs);
}
done.Enqueue(pd);
}
}
VPO_CloseMap(context);
VPO_FreeWAD(context);
VPO_DeleteContext(context);
}
