void ProcessUnits(bool checkstopwatch)
{
// remove any invalid units
FogOfWarUnit.registeredUnits.RemoveAll(u => u == null);
double millisecondfrequency = 1000.0 / System.Diagnostics.Stopwatch.Frequency;
for (; _currentUnitProcessing < FogOfWarUnit.registeredUnits.Count; ++_currentUnitProcessing)
{
if (!FogOfWarUnit.registeredUnits[_currentUnitProcessing].isActiveAndEnabled || FogOfWarUnit.registeredUnits[_currentUnitProcessing].team != team)
{
continue;
}
FogOfWarShape shape = FogOfWarUnit.registeredUnits[_currentUnitProcessing].GetShape(this, physics, plane);
if (multithreaded && updateAutomatically)
{
_threadPool.Run(() => _drawer.Draw(shape));
}
else
{
_drawer.Draw(shape);
}
// do the timer check here so that at least one unit will be processed!
if (checkstopwatch && _stopwatch.ElapsedTicks * millisecondfrequency >= maxMillisecondsPerFrame)
{
++_currentUnitProcessing;
break;
}
}
}
bool LineOfSightCanSee(FogOfWarShape shape, Vector2 offset, float fogradius)
{
if (shape.lineOfSight == null)
{
return(true);
}
float idx = FogOfWarUtils.ClockwiseAngle(Vector2.up, offset) * shape.lineOfSight.Length / 360.0f;
if (idx < 0)
{
idx += shape.lineOfSight.Length;
}
// sampling
float value;
if (_map.filterMode == FilterMode.Point)
{
value = shape.lineOfSight[Mathf.RoundToInt(idx) % shape.lineOfSight.Length];
}
else
{
int idxlow = Mathf.FloorToInt(idx);
int idxhigh = (idxlow + 1) % shape.lineOfSight.Length;
value = Mathf.LerpUnclamped(shape.lineOfSight[idxlow], shape.lineOfSight[idxhigh], idx % 1);
}
float dist = value * fogradius;
return(offset.sqrMagnitude < dist * dist);
}
public DrawInfo(FogOfWarMap map, FogOfWarShape shape, float xradius, float yradius)
{
// convert size to fog space
fogForward = shape.foward;
forwardAngle = FogOfWarUtils.ClockwiseAngle(Vector2.up, fogForward) * Mathf.Deg2Rad;
float sin = Mathf.Sin(-forwardAngle);
float cos = Mathf.Cos(-forwardAngle);
Vector2 relativeoffset = new Vector2(shape.offset.x * cos - shape.offset.y * sin, shape.offset.x * sin + shape.offset.y * cos);
fogCenterPos = FogOfWarConversion.WorldToFog(FogOfWarConversion.WorldToFogPlane(shape.eyePosition, map.plane) + relativeoffset, map.offset, map.resolution, map.size);
fogEyePos = new Vector2i(FogOfWarConversion.WorldToFog(shape.eyePosition, map.plane, map.offset, map.resolution, map.size));
// find ranges
if (shape.visibleCells == null)
{
xMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.x - xradius));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(fogCenterPos.x + xradius));
yMin = Mathf.Max(0, Mathf.RoundToInt(fogCenterPos.y - yradius));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(fogCenterPos.y + yradius));
}
else
{
fogCenterPos = FogOfWarConversion.SnapToNearestFogPixel(fogCenterPos);
fogEyePos = new Vector2i(FogOfWarConversion.SnapToNearestFogPixel(FogOfWarConversion.WorldToFog(shape.eyePosition, map.offset, map.resolution, map.size)));
Vector2i pos = new Vector2i(Mathf.RoundToInt(fogCenterPos.x), Mathf.RoundToInt(fogCenterPos.y));
Vector2i rad = new Vector2i(Mathf.RoundToInt(xradius), Mathf.RoundToInt(yradius));
xMin = Mathf.Max(0, Mathf.RoundToInt(pos.x - rad.x));
xMax = Mathf.Min(map.resolution.x - 1, Mathf.RoundToInt(pos.x + rad.x));
yMin = Mathf.Max(0, Mathf.RoundToInt(pos.y - rad.y));
yMax = Mathf.Min(map.resolution.y - 1, Mathf.RoundToInt(pos.y + rad.y));
}
}
public void Draw(FogOfWarShape shape)
{
if (shape is FogOfWarShapeCircle)
{
DrawCircle(shape as FogOfWarShapeCircle);
}
else if (shape is FogOfWarShapeBox)
{
DrawBox(shape as FogOfWarShapeBox);
}
else if (shape is FogOfWarShapeTexture)
{
DrawTexture(shape as FogOfWarShapeTexture);
}
}
void FillShape(FogOfWar fow, FogOfWarShape shape)
{
if (antiFlicker)
{
// snap to nearest fog pixel
shape.eyePosition = FogOfWarConversion.SnapWorldPositionToNearestFogPixel(fow, FogOfWarConversion.WorldToFogPlane(_transform.position, fow.plane), fow.mapOffset, fow.mapResolution, fow.mapSize);
shape.eyePosition = FogOfWarConversion.FogPlaneToWorld(shape.eyePosition.x, shape.eyePosition.y, _transform.position.y, fow.plane);
}
else
{
shape.eyePosition = _transform.position;
}
shape.foward = FogOfWarConversion.TransformFogPlaneForward(_transform, fow.plane);
shape.offset = offset;
shape.radius = radius;
}
public FogOfWarShape GetShape(FogOfWar fow, FogOfWarPhysics physics, FogOfWarPlane plane)
{
FogOfWarShape shape = CreateShape(fow);
if (shape == null)
{
return(null);
}
if (cellBased)
{
shape.lineOfSight = null;
shape.visibleCells = CalculateLineOfSightCells(fow, physics, shape.eyePosition);
}
else
{
shape.lineOfSight = CalculateLineOfSight(physics, shape.eyePosition, plane);
shape.visibleCells = null;
}
return(shape);
}
bool LineOfSightCanSeeCell(FogOfWarShape shape, Vector2i offset)
{
if (shape.visibleCells == null)
{
return(true);
}
int radius = Mathf.RoundToInt(shape.radius);
int width = radius + radius + 1;
offset.x += radius;
if (offset.x < 0 || offset.x >= width)
{
return(true);
}
offset.y += radius;
if (offset.y < 0 || offset.y >= width)
{
return(true);
}
return(shape.visibleCells[offset.y * width + offset.x]);
}
