Clip.cpp

#include "Clip.h"
Clip::Clip() 
{
	mName = "No name given";
	mStartTime = 0.0f;
	mEndTime = 0.0f;
	mLooping = true;
}
float Clip::Sample(Pose& outPose, float time) {
	if (GetDuration() == 0.0f) {
		return 0.0f;
	}
	time = AdjustTimeToFitRange(time);
	unsigned int size = mTracks.size();
	for (unsigned int i = 0; i < size; ++i) 
	{
		unsigned int j = mTracks[i].GetId(); // Joint
		Transform local = outPose.GetLocalTransform(j);
		Transform animated = mTracks[i].Sample(
			local, time, mLooping);
		outPose.SetLocalTransform(j, animated);
	}
	return time;
}
float Clip::AdjustTimeToFitRange(float inTime) {
	if (mLooping) {
		float duration = mEndTime - mStartTime;
		if (duration <= 0) { 0.0f; }
		inTime = fmodf(inTime - mStartTime,
			mEndTime - mStartTime);
		if (inTime < 0.0f) {
			inTime += mEndTime - mStartTime;
		}
		inTime = inTime + mStartTime;
	}
	else {
		if (inTime < mStartTime) {
			inTime = mStartTime;
		}
		if (inTime > mEndTime) {
			inTime = mEndTime;
		}
	}
	return inTime;
}
void Clip::RecalculateDuration() {
	mStartTime = 0.0f;
	mEndTime = 0.0f;
	bool startSet = false;
	bool endSet = false;
	unsigned int tracksSize = mTracks.size();
	for (unsigned int i = 0; i < tracksSize; ++i) {
		if (mTracks[i].IsValid()) {
			float startTime = mTracks[i].GetStartTime();
			float endTime = mTracks[i].GetEndTime();
			if (startTime < mStartTime || !startSet) {
				mStartTime = startTime;
				startSet = true;
			}
			if (endTime > mEndTime || !endSet) {
				mEndTime = endTime;
				endSet = true;
			}
		}
	}
}
TransformTrack& Clip::operator[](unsigned int joint) {
	for (int i = 0, s = mTracks.size(); i < s; ++i) {
		if (mTracks[i].GetId() == joint) {
			return mTracks[i];
		}
	}
	mTracks.push_back(TransformTrack());
	mTracks[mTracks.size() - 1].SetId(joint);
	return mTracks[mTracks.size() - 1];
}
std::string& Clip::GetName() {
	return mName;
}
unsigned int Clip::GetIdAtIndex(unsigned int index) {
	return mTracks[index].GetId();
}
unsigned int Clip::Size() {
	return (unsigned int)mTracks.size();
}
float Clip::GetDuration() {
	return mEndTime - mStartTime;
}
float Clip::GetStartTime() {
	return mStartTime;
}
float Clip::GetEndTime() {
	return mEndTime;
}
bool Clip::GetLooping() {
	return mLooping;
}
void Clip::SetName(const std::string& inNewName) {
	mName = inNewName;
}
void Clip::SetIdAtIndex(unsigned int index, unsigned int
	id) {
	return mTracks[index].SetId(id);
}
void Clip::SetLooping(bool inLooping) {
	mLooping = inLooping;
}