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using Unity.UIWidgets.material;
using Unity.UIWidgets.ui;
using UnityEditor;
using UnityEngine;
using Canvas = Unity.UIWidgets.ui.Canvas;
using Rect = Unity.UIWidgets.ui.Rect;
namespace Unity.UIWidgets.flow {
static class InstrumentationUtils {
public const int kMaxSamples = 120;
public static float now() {
#if UNITY_EDITOR
return (float) EditorApplication.timeSinceStartup;
#else
return Time.realtimeSinceStartup;
#endif
}
}
public class Stopwatch {
float _start;
readonly float[] _laps;
int _currentSample;
public Stopwatch() {
this._start = InstrumentationUtils.now();
this._currentSample = 0;
float delta = 0f;
this._laps = new float[InstrumentationUtils.kMaxSamples];
for (int i = 0; i < this._laps.Length; i++) {
this._laps[i] = delta;
}
}
public void start() {
this._start = InstrumentationUtils.now();
this._currentSample = (this._currentSample + 1) % InstrumentationUtils.kMaxSamples;
}
public void stop() {
this._laps[this._currentSample] = InstrumentationUtils.now() - this._start;
}
public void setLapTime(float delta) {
this._currentSample = (this._currentSample + 1) % InstrumentationUtils.kMaxSamples;
this._laps[this._currentSample] = delta;
}
public float lastLap() {
return this._laps[(this._currentSample - 1) % InstrumentationUtils.kMaxSamples];
}
public float maxDelta() {
float maxDelta = 0f;
for (int i = 0; i < this._laps.Length; i++) {
if (maxDelta < this._laps[i]) {
maxDelta = this._laps[i];
}
}
return maxDelta;
}
public void visualize(Canvas canvas, Rect rect) {
Paint paint = new Paint {color = Colors.blue};
Paint paint2 = new Paint {color = Colors.red};
Paint paint3 = new Paint {color = Colors.green};
Paint paint4 = new Paint {color = Colors.white70};
float[] costFrames = this._laps;
int curFrame = (this._currentSample - 1) % InstrumentationUtils.kMaxSamples;
float barWidth = Mathf.Max(1, rect.width / costFrames.Length);
float perHeight = rect.height / 32.0f;
canvas.drawRect(rect, paint4);
canvas.drawRect(Rect.fromLTWH(rect.left, rect.top + perHeight * 16.0f, rect.width, 1), paint3);
float cur_x = rect.left;
Path barPath = new Path();
for (var i = 0; i < costFrames.Length; i++) {
if (costFrames[i] != 0) {
float curHeight = Mathf.Min(perHeight * costFrames[i] * 1000, rect.height);
Rect barRect = Rect.fromLTWH(cur_x, rect.top + rect.height - curHeight, barWidth, curHeight);
barPath.addRect(barRect);
}
cur_x += barWidth;
}
canvas.drawPath(barPath, paint);
if (curFrame >= 0 && curFrame < costFrames.Length) {
if (costFrames[curFrame] != 0) {
float curHeight = Mathf.Min(perHeight * costFrames[curFrame] * 1000, rect.height);
Rect barRect = Rect.fromLTWH(rect.left + barWidth * curFrame, rect.top + rect.height - curHeight,
barWidth, curHeight);
canvas.drawRect(barRect, paint2);
}
var pb = new ParagraphBuilder(new ParagraphStyle { });
pb.addText("Current Frame Cost: " + costFrames[curFrame] * 1000 + "ms" + " ; Max(in last 120 frames): " + this.maxDelta() * 1000 + "ms");
var paragraph = pb.build();
paragraph.layout(new ParagraphConstraints(width: 800));
canvas.drawParagraph(paragraph, new Offset(rect.left, rect.top + rect.height - 12));
}
}
}
}