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102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
#pragma once
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#include "Util/G3DCore.h"
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#include "rbx/rbxTime.h"
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#include <boost/circular_buffer.hpp>
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#include "Util/Average.h"
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#include "Util/Velocity.h"
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#include "rbx/RunningAverage.h"
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namespace RBX {
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#define NUM_MAX_HISTORY 8
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#define NUM_BUFFER_NODES 2
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class PartInstance;
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// This class keeps a list of frames and the time they were set.
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class PathInterpolatedCFrame
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{
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private:
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struct FrameInfo
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{
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CoordinateFrame coordinateFrame;
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Velocity velocity;
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RemoteTime remoteTime; // in sender's time scale
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FrameInfo() {}
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FrameInfo(const CoordinateFrame &cf, const Velocity& vel, const Time& local, const RemoteTime& remote) : coordinateFrame(cf), velocity(vel), remoteTime(remote) {}
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};
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FrameInfo prevFrame;
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FrameInfo lastStartFrame;
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bool beingMoved;
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int uiStepId;
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double localToRemoteTimeOffset; // subtract local time by this value to get remote time
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RunningAverage<> avgInterval;
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Time prevStepTime;
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boost::circular_buffer_space_optimized<FrameInfo> frameInfos;
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float targetDelayInSeconds;
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int targetFrame;
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// for analytics
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double lastTargetDelayValue;
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double targetDelayDeltaMax;
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inline const CoordinateFrame& recordAndReturn(const CoordinateFrame& value, const Time& local, const RemoteTime& remote)
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{
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beingMoved = true;
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prevFrame.coordinateFrame = value;
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prevFrame.remoteTime = remote;
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return prevFrame.coordinateFrame;
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}
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inline const CoordinateFrame& recordAndReturnHermite(const CoordinateFrame& value, const FrameInfo& startFrame, const Time& local, const RemoteTime& remote)
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{
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beingMoved = true;
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lastStartFrame = startFrame;
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prevFrame.coordinateFrame = value;
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prevFrame.remoteTime = remote;
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return prevFrame.coordinateFrame;
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}
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const CoordinateFrame& interpolate( const Time& now, const Time& targetTime, const unsigned int& upper, const PartInstance* part = NULL);
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const CoordinateFrame& interpolateHermiteSpline( const Time& now, const Time& targetTime, const unsigned int& upper, const PartInstance* part = NULL);
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RemoteTime computeSampleTargetTime( const Time& now);
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public:
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PathInterpolatedCFrame();
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~PathInterpolatedCFrame() {}
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void clearHistory();
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// timeStamp is time this value was set. If coming from network, the value should be time it was send from the server
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void setValue(PartInstance* part, const CoordinateFrame& value, const Velocity& vel, const RemoteTime& timeStamp, Time now, float localTimeOffest, int numNodesAhead);
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void setTargetDelay(float value);
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void setUiStepId(int id) {uiStepId = id;}
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int getUiStepId() const {return uiStepId;}
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double getLocalToRemoteTimeOffset() {return localToRemoteTimeOffset;}
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void setRenderedFrame(const CoordinateFrame& value);
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void setRenderedFrame(const CoordinateFrame& value, const RemoteTime& remoteTime);
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CoordinateFrame computeValue(PartInstance* part, const Time& t);
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CoordinateFrame getLastComputedValue() const { return prevFrame.coordinateFrame; }
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bool isBeingMovedByInterpolator() const { return beingMoved; }
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Color3 getSampleIntervalColor() const;
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float getSampleInterval() const;
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void renderPath(Adorn* adorn);
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};
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} // namespace
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