private int SetNakaLane(CommentElement c)
{
// 流すレーンを決める
int lane = -1;
bool[] laneChecked = new bool[N_LANES];
bool[] laneIsBlank = new bool[N_LANES];
for (int i = 0; i < N_LANES; i++)
{
laneChecked[i] = false;
laneIsBlank[i] = true;
}
for (int i = this.comments.Count - 1; i >= 0; i--)
{
CommentElement comm = this.comments[i];
// ue,shitaなコメントとチェック済みレーンをスキップ
if (comm.Lane >= N_LANES || laneChecked[this.comments[i].Lane])
{
continue;
}
laneChecked[comm.Lane] = true;
// 追加直後と先行するコメントが消える直前における
// 流したいコメントとの衝突判定
int t = this.fps * (COMMENT_TTL) - comm.ElapsedFrames;
if (comm.ElapsedFrames * comm.PixelsPerFrame - comm.Width < 0 ||
t * c.PixelsPerFrame > (comm.ElapsedFrames + t) * comm.PixelsPerFrame - comm.Width)
{
Utils.DebugLog("not blank, lane=" + comm.Lane);
laneIsBlank[comm.Lane] = false;
}
}
for (int i = 0; i < N_LANES; i++)
{
if (laneIsBlank[i])
{
lane = i;
break;
}
}
if (lane == -1)
{
// FIXME
lane = N_LANES-1;
}
return lane;
}
private int SetUeShitaLane(CommentElement c, int offset)
{
for (int i = 0; i < N_LANES; i++)
{
bool isBlank = true;
foreach (var comm in this.comments)
{
if (comm.Lane == i + offset)
{
isBlank = false;
break;
}
}
if (isBlank)
{
return i + offset;
}
}
return offset;
}
/// <summary>
/// コメントを表示リストに追加
/// </summary>
/// <param name="comment"></param>
public void Add(Comment comment)
{
if (comment.Text == null)
{
return;
}
CommentElement c = new CommentElement();
c.Comment = comment;
c.Y = posY;
c.Color = CommentViewer.commentColors["white"];
c.Font = CommentViewer.commentFonts["medium"];
c.Lane = -1;
foreach (var cmd in comment.Commands)
{
if (CommentViewer.commentColors.ContainsKey(cmd))
{
Utils.DebugLog("color=" + cmd);
c.Color = CommentViewer.commentColors[cmd];
continue;
}
if (CommentViewer.commentFonts.ContainsKey(cmd))
{
Utils.DebugLog("size=" + cmd);
c.Font = CommentViewer.commentFonts[cmd];
continue;
}
if (c.Lane == -1)
{
if (cmd == "ue")
{
c.Lane = SetUeShitaLane(c, 10);
}
else if (cmd == "shita")
{
c.Lane = SetUeShitaLane(c, 20);
}
}
}
// レーン決定前にPixelsPerFrameを決めておく必要がある
c.Render();
c.CalcPPF(this.Width, this.fps);
if (c.Lane == -1)
{
c.Lane = SetNakaLane(c);
}
lock (lockObject)
{
this.comments.Add(c);
}
Invalidate();
posY = (posY + c.Height) % (this.Height - c.Height);
}