internal void Setup <T>(CompositeDisposable cd, IEngine engine, ILi <T> li, Func <T, object> extractor)
{
var lastCd = new CompositeDisposable();
var lastTargets = new List <object>();
cd.Add(lastCd);
engine.Computer(cd,
new object[] { li },
() =>
{
var l = li.Read();
var targets = new List <object>();
for (int i = 0, n = l.Count; i < n; ++i)
{
targets.Add(extractor(l[i]));
}
if (targets.Count == lastTargets.Count)
{
bool isSame = true;
for (int i = 0, n = targets.Count; i < n; ++i)
{
if (!ReferenceEquals(targets[i], lastTargets[i]))
{
isSame = false;
break;
}
}
if (isSame)
{
return;
}
}
lastTargets.Clear();
lastTargets.AddRange(targets);
lastCd.Dispose();
if (targets.Count > 0)
{
engine.Computer(lastCd,
targets.ToArray(),
() =>
{
// Work around to ensure different instance of action is registerd
l.GetHashCode();
inner.Fire(Empty.Instance);
engine.MarkDirty(this);
}
);
}
}
);
}
public static void UncompletedCount(IEl <int> target, ILi <ITodoItem> items_)
{
var items = items_.Read();
int uncompletedCount = 0;
for (int i = 0, n = items.Count; i < n; ++i)
{
if (!items[i].IsCompleted.Read())
{
++uncompletedCount;
}
}
if (uncompletedCount != target.Read())
{
target.Write(uncompletedCount);
}
}
public State(IEngine engine)
{
Ids = engine.Li(new List <string>());
Xs = engine.Li(new List <int>());
Ys = engine.Li(new List <int>());
Vxs = engine.Li(new List <int>());
Vys = engine.Li(new List <int>());
Tick = engine.MultiOp <int>();
Add = engine.MultiOp <Rigidbody>();
engine.Computer(cd,
new object[] { Tick, Add },
() =>
{
var tick = Tick.Read();
var add = Add.Read();
if (tick.Count <= 0 && add.Count <= 0)
{
return;
}
var xs = Xs.AsWrite();
var ys = Ys.AsWrite();
{
var vxs = Vxs.Read();
var vys = Vys.Read();
for (int t = 0, c = tick.Count; t < c; ++t)
{
var dt = tick[t];
for (int i = 0, n = Ids.Read().Count; i < n; ++i)
{
xs[i] += vxs[i] * dt;
ys[i] += vys[i] * dt;
}
}
}
if (add.Count > 0)
{
for (int i = 0, n = add.Count; i < n; ++i)
{
var r = add[i];
xs.Add(r.X);
ys.Add(r.Y);
}
}
}
);
engine.Computer(cd,
new object[] { Add },
() =>
{
var add = Add.Read();
if (add.Count <= 0)
{
return;
}
var ids = Ids.AsWrite();
var vxs = Vxs.AsWrite();
var vys = Vys.AsWrite();
for (int i = 0, n = add.Count; i < n; ++i)
{
var r = add[i];
ids.Add(r.Id);
vxs.Add(r.Vx);
vys.Add(r.Vy);
}
}
);
}
public State(IEngine engine)
{
Ids = engine.Li(new List <string>());
Sheets = engine.Li(new List <object>());
CurrentFrameIndexes = engine.Li(new List <int>());
TotalFrames = engine.Li(new List <int>());
Speeds = engine.Li(new List <int>());
Tick = engine.MultiOp <int>();
Add = engine.MultiOp <Sprite>();
engine.Computer(cd,
new object[] { Tick, Add },
() =>
{
var tick = Tick.Read();
var add = Add.Read();
if (tick.Count <= 0 && add.Count <= 0)
{
return;
}
var currentFrameIndexes = CurrentFrameIndexes.AsWrite();
{
var totalFrames = TotalFrames.Read();
var speeds = Speeds.Read();
for (int t = 0, c = tick.Count; t < c; ++t)
{
var dt = tick[t];
for (int i = 0, n = Ids.Read().Count; i < n; ++i)
{
var current = currentFrameIndexes[i];
current = (current + dt * speeds[i]) % totalFrames[i];
currentFrameIndexes[i] = current;
}
}
}
if (add.Count > 0)
{
for (int i = 0, n = add.Count; i < n; ++i)
{
var s = add[i];
currentFrameIndexes.Add(s.CurrentFrameIndex);
}
}
}
);
engine.Computer(cd,
new object[] { Add },
() =>
{
var add = Add.Read();
if (add.Count <= 0)
{
return;
}
var ids = Ids.AsWrite();
var sheets = Sheets.AsWrite();
var totalFrames = TotalFrames.AsWrite();
var speeds = Speeds.AsWrite();
for (int i = 0, n = add.Count; i < n; ++i)
{
var s = add[i];
ids.Add(s.Id);
sheets.Add(s.Sheet);
totalFrames.Add(s.TotalFrame);
speeds.Add(s.Speed);
}
}
);
}