133 lines
4.2 KiB
C#
133 lines
4.2 KiB
C#
using System.Diagnostics;
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using System.Drawing.Drawing2D;
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namespace TempleRun;
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/// <summary>
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/// 主窗体：负责游戏循环（定时器 + 高精度计时）、键盘输入、双缓冲绘制调度。
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/// </summary>
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public class GameForm : Form
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{
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private readonly GameWorld _world = new();
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private readonly System.Windows.Forms.Timer _timer;
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private readonly Stopwatch _watch = Stopwatch.StartNew();
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private double _lastTime;
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private double _fpsAccum;
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private int _frameCount;
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private bool _showFps;
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public GameForm()
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{
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Text = "神庙逃亡 · Temple Run (WinForms)";
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ClientSize = new Size(1024, 720);
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MinimumSize = new Size(760, 540);
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StartPosition = FormStartPosition.CenterScreen;
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BackColor = Color.FromArgb(12, 12, 20);
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DoubleBuffered = true;
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ResizeRedraw = true;
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AutoScaleMode = AutoScaleMode.None;
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SetStyle(ControlStyles.AllPaintingInWmPaint
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| ControlStyles.UserPaint
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| ControlStyles.OptimizedDoubleBuffer, true);
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try { Icon = BuildIcon(); } catch { /* 图标失败不影响运行 */ }
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_lastTime = _watch.Elapsed.TotalSeconds;
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_timer = new System.Windows.Forms.Timer { Interval = 15 }; // ≈66Hz
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_timer.Tick += OnTick;
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_timer.Start();
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}
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// ------------------------------------------------------------------ 主循环
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private void OnTick(object sender, EventArgs e)
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{
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double now = _watch.Elapsed.TotalSeconds;
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float dt = (float)(now - _lastTime);
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_lastTime = now;
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if (dt <= 0f) return;
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if (dt > 0.06f) dt = 0.06f; // 卡顿/拖动窗口后不产生穿模
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// FPS 统计
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_frameCount++;
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_fpsAccum += dt;
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if (_fpsAccum >= 0.5)
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{
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_world.Fps = (float)(_frameCount / _fpsAccum);
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_frameCount = 0;
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_fpsAccum = 0;
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}
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_world.Update(dt);
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Invalidate();
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}
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protected override void OnPaint(PaintEventArgs e)
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{
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GameRenderer.Draw(e.Graphics, ClientSize.Width, ClientSize.Height, _world, _showFps);
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}
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// ------------------------------------------------------------------ 输入
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protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
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{
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Keys key = keyData & Keys.KeyCode;
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if (key == Keys.F1) { _showFps = !_showFps; Invalidate(); return true; }
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if (key == Keys.F11)
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{
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WindowState = WindowState == FormWindowState.Maximized
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? FormWindowState.Normal : FormWindowState.Maximized;
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return true;
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}
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if (key == Keys.F12) { _world.Muted = !_world.Muted; return true; }
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if (_world.HandleKey(key)) return true;
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return base.ProcessCmdKey(ref msg, keyData);
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}
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protected override void OnMouseClick(MouseEventArgs e)
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{
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base.OnMouseClick(e);
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// 鼠标左键也能触发"开始/重开"，方便触屏设备
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if (e.Button == MouseButtons.Left)
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{
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if (_world.State == RunState.Ready) _world.Start();
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else if (_world.State == RunState.GameOver && _world.CanRestart)
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{
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_world.Start();
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}
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}
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}
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protected override void OnFormClosed(FormClosedEventArgs e)
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{
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_timer.Stop();
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_timer.Dispose();
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GameRenderer.ResetCache();
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base.OnFormClosed(e);
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}
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// ------------------------------------------------------------------ 图标
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private static Icon BuildIcon()
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{
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using var bmp = new Bitmap(32, 32);
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using (var g = Graphics.FromImage(bmp))
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{
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.Clear(Color.Transparent);
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using (var bg = new SolidBrush(Color.FromArgb(46, 34, 28)))
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g.FillEllipse(bg, 0, 0, 31, 31);
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using (var gold = new SolidBrush(Cfg.Gold))
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g.FillEllipse(gold, 7, 7, 18, 18);
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using (var dark = new Pen(Cfg.GoldDark, 2.4f))
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g.DrawEllipse(dark, 7, 7, 18, 18);
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using (var hi = new SolidBrush(Color.FromArgb(230, 255, 250, 220)))
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g.FillEllipse(hi, 11, 10, 5, 4);
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}
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return Icon.FromHandle(bmp.GetHicon());
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}
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}
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