/// <summary>
/// SEを再生します。
/// </summary>
public ISoundObjectBackend Play(string filename, double volume)
{
if (engine == null)
{
return(null);
}
if (string.IsNullOrEmpty(filename))
{
return(null);
}
var source = GetSoundSource(filename);
if (source == null)
{
throw new InvalidDataException(
"音声ファイルの読み込みに失敗しました。");
}
// 再生
var sound = engine.Play2D(source, false, true, false);
if (sound == null)
{
throw new InvalidOperationException(
"音声ファイルの再生に失敗しました。");
}
// 音量を設定します。
sound.Volume = MathEx.Between(0.0f, 1.0f, (float)(engine.SoundVolume * volume));
sound.Paused = false;
return(new SoundObjectBackend_IrrKlang(sound));
}
/// <summary>
/// エフェクトを追加します。
/// </summary>
private void AddEffect(EffectObject effect, Square square)
{
if (effect == null)
{
return;
}
// 効果音を調整します。
if (!IsUseEffectSound)
{
effect.StartSoundPath = null;
effect.StartSoundVolume = 0.0;
}
else
{
var percent = EffectVolume;
effect.StartSoundVolume *= MathEx.Between(0, 100, percent) / 100.0;
}
WPFUtil.UIProcess(() =>
{
effect.DataContext = CreateContext(square);
Container.AddEffect(effect);
});
}
/// <summary>
/// コンストラクタ
/// </summary>
public MainViewModel()
{
VariationList = new NotifyCollection <VariationInfo>();
MoveList = new NotifyCollection <CsaMove>();
if (string.IsNullOrEmpty(Name))
{
Name = "meijin_" + MathEx.RandInt(0, 1000);
}
ServerPort = "4084";
ThreadNumMaximum = Global.GetCpuThreadNum();
if (ThreadNum == 0)
{
ThreadNum = Math.Max(1, ThreadNumMaximum - 2);
}
var rawMemSizeList = GetMemorySizeList().ToList();
MemSizeList = rawMemSizeList.Take(7).ToList();
if (HashMemSize == 0)
{
var index = MathEx.Between(0, 6, rawMemSizeList.Count - 2);
HashMemSize = rawMemSizeList[index].Item1;
}
this.AddDependModel(Global.Settings);
}
/// <summary>
/// OpenGLのClearColorを更新します。
/// </summary>
private void OnBackColorChanged(object sender, EventArgs e)
{
GLWrap.Wrap(() => GL.ClearColor(
MathEx.Between(0.0f, 1.0f, BackColor.R / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.G / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.B / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.A / 255.0f)));
}
/// <summary>
/// バッファの先頭オフセットを進めます。
/// </summary>
public void Increment(int inc)
{
inc = MathEx.Between(-Offset, Count, inc);
// 先頭オフセットを移動し、バッファサイズは減らします。
Offset += inc;
Count -= inc;
}
/// <summary>
/// 色に係数を掛け、新たな色を作成します。
/// </summary>
public static Color4b Multiply(Color4b color, double coefficient)
{
return(Color4b.FromArgb(
MathEx.Between(0, 255, (int)(color.A * coefficient)),
MathEx.Between(0, 255, (int)(color.R * coefficient)),
MathEx.Between(0, 255, (int)(color.G * coefficient)),
MathEx.Between(0, 255, (int)(color.B * coefficient))));
}
/// <summary>
/// 指し手を表示する矢印メッシュを追加します。
/// </summary>
private void AddRenderMoveArrow(RenderBuffer renderBuffer,
MoveArrowInfo info,
int priority, string label)
{
var move = info.Move;
if (move == null || !move.Validate())
{
return;
}
// 手番が違う場合は、前に設定された指し手が残っている可能性がある。
if (move.BWType != Board.Turn || move.IsSpecialMove)
{
return;
}
// 駒の移動を開始した地点と終了した地点の座標を求めます。
var fromPoint = (
move.ActionType == ActionType.Drop ?
HandPieceToPoint(move.DropPieceType, move.BWType) :
SquareToPoint(move.SrcSquare)).ToPointd();
var toPoint = SquareToPoint(move.DstSquare).ToPointd();
var diff = toPoint - fromPoint;
// 優先順位の高い矢印ほど、小さくなる値
var priorityRate = MathEx.Between(0.0, 1.0, 1.0 / 3.0 * (priority - 1));
// 矢印を決められた位置に描画します。
AddRenderArrow(renderBuffer, fromPoint, toPoint, priorityRate, info.Color);
// ラベルを描画
if (!string.IsNullOrEmpty(label))
{
var font = new TextTextureFont
{
Font = new Font(TextTextureFont.DefaultFont, FontStyle.Bold),
Color = Color.White,
EdgeColor = Color.Black,
EdgeLength = 4,
IsStretchSize = true,
};
var rect = new RectangleF(
(float)(fromPoint.X + diff.X * 1),
(float)(fromPoint.Y + diff.Y * 1),
SquareSize.Width / 3,
SquareSize.Height / 3);
rect.Offset(-rect.Width / 2, -rect.Height / 2);
AddRenderText(
renderBuffer, label, font,
rect, ShogiZOrder.PreEffectZ2 - priorityRate);
}
}
/// <summary>
/// 変更中のエフェクトの不透明度を計算します。
/// </summary>
private double GetEffectOpacity(TimeSpan progress, bool isReserve)
{
if (progress >= EffectFadeInterval)
{
return(isReserve ? 0.0 : 1.0);
}
var progressSeconds = progress.TotalSeconds;
var intervalSeconds = EffectFadeInterval.TotalSeconds;
var rate = progressSeconds / intervalSeconds;
return(MathEx.Between(0.0, 1.0, isReserve ? 1.0 - rate : rate));
}
/// <summary>
/// OpenGLのClearColorを更新します。
/// </summary>
private void UpdateClearColor()
{
if (IsDesignMode)
{
return;
}
GL.ClearColor(
MathEx.Between(0.0f, 1.0f, this.clearColor.R / 255.0f),
MathEx.Between(0.0f, 1.0f, this.clearColor.G / 255.0f),
MathEx.Between(0.0f, 1.0f, this.clearColor.B / 255.0f),
MathEx.Between(0.0f, 1.0f, this.clearColor.A / 255.0f));
}
/// <summary>
/// 背景色変更中の情報を取得します。
/// </summary>
private double GetBackgroundOpacity(TimeSpan progress, bool isReverse)
{
if (progress >= BackgroundFadeInterval)
{
return(isReverse ? 0.0 : 1.0);
}
// 背景の不透明度を更新します。
var progressSeconds = progress.TotalSeconds;
var totalSeconds = BackgroundFadeInterval.TotalSeconds;
var rate = (progressSeconds / totalSeconds);
return(MathEx.Between(0.0, 1.0, isReverse ? 1.0 - rate : rate));
}
/// <summary>
/// p0とp1で結ばれる直線と点cの距離を計算します。
/// </summary>
/// <remarks>
/// ベクトルを用いて距離を計算します。
/// ベクトルL = P1 - P0
///
/// 線分上で点Cと直交する点をP = P0 + t * Lとすると、
/// (P - C)・L = 0
/// (P0 - C + t * L)・L = 0
/// t * |L|^2 = - (P0 - C)・L
///
/// また、
/// 距離d = |P - C|
/// = |(P0 - C) + t * L|
///
/// 参考：http://homepage2.nifty.com/mathfin/distance/vector.htm
/// </remarks>
public static double LineCircleDistance(Vector3D p0, Vector3D p1,
Vector3D c)
{
var cp = p0 - c;
var l = p1 - p0;
var length2 = l.LengthSquared;
if (length2 < double.Epsilon)
{
return(cp.Length);
}
var t = -Vector3D.DotProduct(cp, l) / length2;
// 線分と点の距離なので点Pは端点の外には出れません。
t = MathEx.Between(0.0, 1.0, t);
return((cp + t * l).Length);
}
/// <summary>
/// コンストラクタ
/// </summary>
public MainViewModel()
{
if (string.IsNullOrEmpty(Name))
{
Name = "meijin_" + MathEx.RandInt(0, 1000);
}
ThreadNumMaximum = DeviceInventory.CPUCount;
if (ThreadNum == 0)
{
ThreadNum = Math.Max(1, ThreadNumMaximum - 2);
}
var rawMemSizeList = Bonanza.MemorySizeList(0.5).ToList();
MemSizeList = rawMemSizeList.Take(7).ToList();
if (HashMemSize == 0)
{
var index = MathEx.Between(0, 6, rawMemSizeList.Count - 2);
HashMemSize = rawMemSizeList[index].HashValue;
}
this.AddDependModel(Global.Settings);
}
static object CoercePoint(DependencyObject d, object v)
{
var value = (double)v;
return(MathEx.Between(-9999.0, 9999.0, value));
}
/// <summary>
///
/// </summary>
public int Read(float[] buffer, int offset, int count)
{
var numberOfStoredSamples = 0;
if (count > 0 && this.sourceList.Any())
{
// 読み取りバッファを確保
this.mixerBuffer = this.mixerBuffer.CheckBuffer(count);
Array.Clear(this.mixerBuffer, 0, count);
var numberOfReadSamples = new List <int>();
foreach (var pair in this.sourceList.ToArray())
{
var backend = pair.Key;
var source = pair.Value;
// バッファ読み込み時は、すでに読み込んだ部分だけ加算するようにします。
var read = source.Read(this.mixerBuffer, 0, count);
for (var n = 0; n < read; ++n)
{
var initial = (numberOfStoredSamples <= n + offset ? 0 : buffer[n + offset]);
var add = this.mixerBuffer[n] * backend.Volume;
buffer[n + offset] = (float)(initial + add); // MathEx.Between(-1.0f, +1.0f, (float)(initial + add));
}
numberOfStoredSamples = Math.Max(numberOfStoredSamples, read);
if (read > 0)
{
numberOfReadSamples.Add(read);
}
else if (source.Position >= source.Length)
{
// remove the input to make sure that the event gets only raised once.
RemoveSource(backend);
}
}
if (false)
{
var currentOffset = offset;
numberOfReadSamples.Sort();
numberOfReadSamples.ForEachWithIndex((readSamples, i) =>
{
while (currentOffset < offset + readSamples)
{
buffer[currentOffset] /= numberOfReadSamples.Count - i;
buffer[currentOffset] = MathEx.Between(-1.0f, +1.0f, buffer[currentOffset]);
++currentOffset;
}
});
}
}
/*if (numberOfStoredSamples != count)
* {
* Array.Clear(
* buffer,
* Math.Max(offset + numberOfStoredSamples, 0),
* count - numberOfStoredSamples);
*
* return count;
* }*/
return(numberOfStoredSamples);
}