/// <summary>
/// The meat of the recompute engine, updating hit test and the
/// cached frames.
/// </summary>
private void ThreadUnsafeRunFrames(int start, int count)
{
var steps = new frameinfo[count];
var collisionlist = new List <LinkedList <int> >(count);
frameinfo current = _frames[start - 1];
int framecount = _frames.Count;
var bones = _track.Bones;
using (changesync.AcquireWrite())
{
// we use the savedcells buffer exactly so runframes can
// be completely consistent with the track state at the
// time of running
// we could also get a lock on the track grid, but that would
// block user input on the track until we finish running.
_savedcells.Clear();
}
using (var sync = changesync.AcquireRead())
{
_hittest.MarkFirstInvalid(start);
for (int i = 0; i < count; i++)
{
int currentframe = start + i;
var collisions = new LinkedList <int>();
var oldtrigid = current.TriggerLineID;
var zoom =
current.Rider = current.Rider.Simulate(
_savedcells,
bones,
ref current.TriggerLineID,
collisions,
frameid: currentframe);
if (current.TriggerLineID != oldtrigid)
{
current.TriggerHitFrame = currentframe;
}
if (current.TriggerLineID != -1)
{
var std = (StandardLine)_track.LineLookup[current.TriggerLineID];
Debug.Assert(std.Trigger != null, "Trigger line proc on line with no trigger");
var delta = currentframe - current.TriggerHitFrame;
if (!std.Trigger.Activate(delta, ref current.Zoom))
{
current.TriggerLineID = -1;
current.TriggerHitFrame = -1;
}
}
steps[i] = current;
collisionlist.Add(collisions);
// 10 seconds of frames,
// couldnt hurt to check?
if ((i + 1) % 400 == 0)
{
sync.ReleaseWaiting();
}
}
_hittest.AddFrames(collisionlist);
}
if (start + count > framecount)
{
_frames.EnsureCapacity(start + count);
_frames.UnsafeSetCount(start + count);
}
for (int i = 0; i < steps.Length; i++)
{
_frames.unsafe_array[start + i] = steps[i];
}
FrameInvalidated?.Invoke(this, start);
}
/// <summary>
/// The meat of the recompute engine, updating hit test and the
/// cached frames.
/// </summary>
public void ThreadUnsafeRunFrames(int start, int count)
{
var steps = new frameinfo[count];
var collisionlist = new List <LinkedList <int> >(count);
frameinfo current = _frames[start - 1];
int framecount = _frames.Count;
var bones = _track.Bones;
using (changesync.AcquireWrite())
{
// we use the savedcells buffer exactly so runframes can
// be completely consistent with the track state at the
// time of running
// we could also get a lock on the track grid, but that would
// block user input on the track until we finish running.
_savedcells.Clear();
}
using (var sync = changesync.AcquireRead())
{
_hittest.MarkFirstInvalid(start);
GameTrigger[] triggers = new GameTrigger[GameTrigger.TriggerTypes];
for (int i = 0; i < count; i++)
{
int currentframe = start + i;
var collisions = new LinkedList <int>();
current.Rider = current.Rider.Simulate(
_savedcells,
bones,
collisions,
frameid: currentframe);
if (GetTriggersForFrame(triggers, currentframe))
{
var zoomtrigger = triggers[(int)TriggerType.Zoom];
if (zoomtrigger != null)
{
var delta = currentframe - zoomtrigger.Start;
zoomtrigger.ActivateZoom(delta, ref current.Zoom);
}
var bgtrigger = triggers[(int)TriggerType.BGChange];
if (bgtrigger != null)
{
var delta = currentframe - bgtrigger.Start;
Constants.StaticTriggerBGColor = _frames[start - 1].BGColor;
bgtrigger.ActivateBG(delta, currentframe, ref Constants.StaticTriggerBGColor, ref Constants.TriggerBGColor, ref current.BGColor);
}
var linetrigger = triggers[(int)TriggerType.LineColor];
if (linetrigger != null)
{
var delta = currentframe - linetrigger.Start;
Constants.StaticTriggerLineColorChange = _frames[start - 1].LineColor;
linetrigger.ActivateLine(delta, ref Constants.StaticTriggerLineColorChange, ref Constants.TriggerLineColorChange, currentframe, ref current.LineColor);
}
}
steps[i] = current;
collisionlist.Add(collisions);
// 10 seconds of frames,
// couldnt hurt to check?
if ((i + 1) % 400 == 0)
{
sync.ReleaseWaiting();
}
}
_hittest.AddFrames(collisionlist);
}
if (start + count > framecount)
{
_frames.EnsureCapacity(start + count);
_frames.UnsafeSetCount(start + count);
}
for (int i = 0; i < steps.Length; i++)
{
_frames.unsafe_array[start + i] = steps[i];
}
FrameInvalidated?.Invoke(this, start);
}