71 lines
2.8 KiB
C#
71 lines
2.8 KiB
C#
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using System;
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using System.Collections.Generic;
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using UnityEditor.AddressableAssets.Diagnostics.Data;
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using UnityEngine;
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namespace UnityEditor.AddressableAssets.Diagnostics.GUI.Graph
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{
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static internal class GraphUtility
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{
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public static float ValueToPixel(float value, float min, float max, float pixelRange)
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{
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return Mathf.Clamp01((value - min) / (max - min)) * pixelRange;
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}
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public static float ValueToPixelUnclamped(float value, float min, float max, float pixelRange)
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{
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return ((value - min) / (max - min)) * pixelRange;
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}
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public static float PixelToValue(float pixel, float min, float max, float valueRange)
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{
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return Mathf.Clamp01((pixel - min) / (max - min)) * valueRange;
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}
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internal struct Segment
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{
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public int frameStart;
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public int frameEnd;
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public int data;
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}
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public delegate bool IsContinuationOfSegmentDelegate(int prevData, int newData);
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internal static IEnumerable<Segment> IterateSegments(EventDataSetStream stream, int minFrame, int maxFrame, IsContinuationOfSegmentDelegate segmentCallback)
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{
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if (stream.samples.Count > 0)
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{
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// find last visible event. This can be the event that is right before the minFrame
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int segStartIdx;
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for (segStartIdx = stream.samples.Count - 1; segStartIdx > 0; segStartIdx--)
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if (stream.samples[segStartIdx].frame < minFrame)
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break;
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int curIdx = segStartIdx + 1;
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for (; curIdx < stream.samples.Count; curIdx++)
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{
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// keep iterating samples until the callback tells us this should be reported as a new segment
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if (segmentCallback(stream.samples[segStartIdx].data, stream.samples[curIdx].data))
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{
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Segment segment;
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segment.frameStart = Math.Max(stream.samples[segStartIdx].frame, minFrame);
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segment.frameEnd = stream.samples[curIdx].frame;
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segment.data = stream.samples[segStartIdx].data;
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yield return segment;
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// start working on a new segment from the current location
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segStartIdx = curIdx;
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}
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}
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// close off the last segment all the way to the end of the maxFrame
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Segment lastSegment;
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lastSegment.frameStart = Math.Max(stream.samples[segStartIdx].frame, minFrame);
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lastSegment.frameEnd = maxFrame;
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lastSegment.data = stream.samples[segStartIdx].data;
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yield return lastSegment;
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}
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}
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}
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}
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