public override Playable CreatePlayable(PlayableGraph graph, GameObject owner)
{
var playable = ScriptPlayable <CinematicCameraPlayableBehaviour> .Create(graph, new CinematicCameraPlayableBehaviour());
CinematicCameraPlayableBehaviour clone = playable.GetBehaviour();
clone._clipAsset = this;
clone._cameraShot = _cameraShot.Resolve(graph.GetResolver());
return(playable);
}
public override void ProcessFrame(Playable playable, FrameData info, object playerData)
{
_trackBinding = playerData as CinematicCamera;
if (_trackBinding == null)
{
return;
}
if (!_firstFrameHappened)
{
_defaultState = _trackBinding.GetState();
_firstFrameHappened = true;
}
int numInputs = playable.GetInputCount();
float[] inputWeights = new float[numInputs];
float totalWeights = 0.0f;
CinematicCameraState[] states = new CinematicCameraState[numInputs];
for (int i = 0; i < numInputs; i++)
{
ScriptPlayable <CinematicCameraPlayableBehaviour> scriptPlayable = (ScriptPlayable <CinematicCameraPlayableBehaviour>)playable.GetInput(i);
CinematicCameraPlayableBehaviour inputBehaviour = scriptPlayable.GetBehaviour();
if (inputBehaviour != null && (inputBehaviour._cameraShot != null || inputBehaviour._path != null))
{
float inputWeight = playable.GetInputWeight(i);
if (inputWeight > 0.0f)
{
TimelineClip clip = _trackAsset.GetClip(inputBehaviour._clipAsset);
if (clip != null)
{
double clipStart = clip.hasPreExtrapolation ? clip.extrapolatedStart : clip.start;
double clipDuration = clip.hasPreExtrapolation || clip.hasPostExtrapolation ? clip.extrapolatedDuration : clip.duration;
if (_director.time >= clipStart && _director.time <= clipStart + clipDuration)
{
inputWeights[i] = inputWeight;
Extrapolation extrapolation = Extrapolation.Hold;
if (clip.hasPreExtrapolation && _director.time < clip.start)
{
extrapolation = GetExtrapolation(clip.preExtrapolationMode);
}
else if (clip.hasPostExtrapolation && _director.time > clip.start + clip.duration)
{
extrapolation = GetExtrapolation(clip.postExtrapolationMode);
}
float timeInClip = (float)(_director.time - clip.start);
//Single shot
if (inputBehaviour._cameraShot != null)
{
states[i] = inputBehaviour._cameraShot.GetState(timeInClip, (float)clip.duration);
}
//Camera path
else if (inputBehaviour._path != null)
{
float clipPosition = CinematicCameraMixer.GetClipPosition(extrapolation, timeInClip, (float)clip.duration);
float pathT = (float)MathUtils.Interpolate(inputBehaviour._pathInterpolation, 0d, 1f, clipPosition);
//Work out path position
PathPosition pos = inputBehaviour._path.GetPoint(pathT);
//Work out a lerp between to path nodes
inputBehaviour._path.GetNodeSection(pathT, out int startNode, out int endNode, out float sectionT);
//Lerp camera shot state based on the relevant section of the path
GetPathNodeStateInfo(timeInClip, (float)clip.duration, inputBehaviour._path, startNode, out CinematicCameraState startNodeState, out Quaternion startNodeFromTo, out Vector3 startNodeCamFor, out Vector3 startNodeCamUp);
GetPathNodeStateInfo(timeInClip, (float)clip.duration, inputBehaviour._path, endNode, out CinematicCameraState endNodeState, out Quaternion endNodeFromTo, out Vector3 endNodeCamFor, out Vector3 endNodeCamUp);
Vector3 cameraForward;
Vector3 cameraUp;
if (sectionT <= 0f)
{
states[i] = startNodeState;
//cameraForward = startNodeFromTo * pos._pathForward;
cameraForward = startNodeCamFor;
cameraUp = startNodeCamUp;
}
else if (sectionT >= 1f)
{
states[i] = endNodeState;
//cameraForward = endNodeFromTo * pos._pathForward;
cameraForward = endNodeCamFor;
cameraUp = endNodeCamUp;
}
else
{
states[i] = CinematicCameraState.Interpolate(_trackBinding, startNodeState, endNodeState, InterpolationType.Linear, sectionT);
//Work out rotation based on
Quaternion cameraRotation = Quaternion.Slerp(startNodeFromTo, endNodeFromTo, sectionT);
cameraForward = cameraRotation * pos._pathForward;
cameraForward = Vector3.Lerp(startNodeCamFor, endNodeCamFor, sectionT);
cameraUp = Vector3.Lerp(startNodeCamUp, endNodeCamUp, sectionT);
}
//Set camera position from path pos
states[i]._position = pos._pathPosition;
states[i]._rotation = Quaternion.LookRotation(cameraForward, cameraUp);
}
totalWeights += inputWeights[i];
}
}
}
}
}
if (totalWeights > 0.0f)
{
CinematicCameraState blendedState = _defaultState;
float weightAdjust = 1.0f / totalWeights;
bool firstBlend = true;
for (int i = 0; i < numInputs; i++)
{
if (inputWeights[i] > 0.0f)
{
if (firstBlend)
{
blendedState = states[i];
firstBlend = false;
}
else
{
blendedState = CinematicCameraState.Interpolate(_trackBinding, blendedState, states[i], InterpolationType.Linear, inputWeights[i] * weightAdjust);
}
}
}
_trackBinding.SetState(blendedState);
}
else
{
_trackBinding.SetState(_defaultState);
}
}
