C++ LLKeyframeMotion::getDuration方法代码示例

//-----------------------------------------------------------------------------
// refresh()
//-----------------------------------------------------------------------------
void LLFloaterAnimPreview::refresh()
{
	if (!mAnimPreview)
	{
		childShow("bad_animation_text");
		mPlayButton->setEnabled(FALSE);
		mStopButton->setEnabled(FALSE);
		childDisable("ok_btn");
	}
	else
	{
		childHide("bad_animation_text");
		mPlayButton->setEnabled(TRUE);
		LLVOAvatar* avatarp = mAnimPreview->getDummyAvatar();
		if (avatarp->isMotionActive(mMotionID))
		{
			mStopButton->setEnabled(TRUE);
			LLKeyframeMotion* motionp = (LLKeyframeMotion*)avatarp->findMotion(mMotionID);
			if (avatarp->areAnimationsPaused())
			{

				mPlayButton->setImages(std::string("button_anim_play.tga"),
									   std::string("button_anim_play_selected.tga"));

			}
			else
			{
				if (motionp)
				{
					F32 fraction_complete = motionp->getLastUpdateTime() / motionp->getDuration();
					childSetValue("playback_slider", fraction_complete);
				}
				mPlayButton->setImages(std::string("button_anim_pause.tga"),
									   std::string("button_anim_pause_selected.tga"));

			}
		}
		else
		{
			mPauseRequest = avatarp->requestPause();
			mPlayButton->setImages(std::string("button_anim_play.tga"),
								   std::string("button_anim_play_selected.tga"));

			mStopButton->setEnabled(TRUE); // stop also resets, leave enabled.
		}
		childEnable("ok_btn");
		mAnimPreview->requestUpdate();
	}
}

//-----------------------------------------------------------------------------
// validateEaseOut()
//-----------------------------------------------------------------------------
BOOL LLFloaterAnimPreview::validateEaseOut(LLUICtrl* spin, void* data)
{
	LLFloaterAnimPreview* previewp = (LLFloaterAnimPreview*)data;

	if (!previewp->getEnabled())
		return FALSE;

	LLVOAvatar* avatarp = previewp->mAnimPreview->getDummyAvatar();
	LLKeyframeMotion* motionp = (LLKeyframeMotion*)avatarp->findMotion(previewp->mMotionID);
	
	if (!motionp->getLoop())
	{
		F32 new_ease_out = llclamp((F32)previewp->childGetValue("ease_out_time").asReal(), 0.f, motionp->getDuration() - motionp->getEaseInDuration());
		previewp->childSetValue("ease_out_time", LLSD(new_ease_out));
	}

	return TRUE;
}

//-----------------------------------------------------------------------------
// onCommitLoopOut()
//-----------------------------------------------------------------------------
void LLFloaterAnimPreview::onCommitLoopOut(LLUICtrl* ctrl, void* data)
{
	LLFloaterAnimPreview* previewp = (LLFloaterAnimPreview*)data;
	if (!previewp->getEnabled())
		return;

	LLVOAvatar* avatarp = previewp->mAnimPreview->getDummyAvatar();
	LLKeyframeMotion* motionp = (LLKeyframeMotion*)avatarp->findMotion(previewp->mMotionID);

	if (motionp)
	{
		motionp->setLoopOut((F32)previewp->childGetValue("loop_out_point").asReal() * 0.01f * motionp->getDuration());
		previewp->resetMotion();
		previewp->childSetValue("loop_check", LLSD(TRUE));
		onCommitLoop(ctrl, data);
	}
}

//.........这里部分代码省略.........
	std::string exten = gDirUtilp->getExtension(mFilename);
	if (exten == "bvh")
	{
		// loading a bvh file

		// now load bvh file
		S32 file_size;
		
		LLAPRFile infile ;
		infile.open(mFilenameAndPath, LL_APR_RB, LLAPRFile::global, &file_size);
		
		if (!infile.getFileHandle())
		{
			llwarns << "Can't open BVH file:" << mFilename << llendl;	
		}
		else
		{
			char*	file_buffer;

			file_buffer = new char[file_size + 1];

			if (file_size == infile.read(file_buffer, file_size))
			{
				file_buffer[file_size] = '\0';
				llinfos << "Loading BVH file " << mFilename << llendl;
				loaderp = new LLBVHLoader(file_buffer);
			}

			infile.close() ;
			delete[] file_buffer;
		}
	}

	if (loaderp && loaderp->isInitialized() && loaderp->getDuration() <= MAX_ANIM_DURATION)
	{
		// generate unique id for this motion
		mTransactionID.generate();
		mMotionID = mTransactionID.makeAssetID(gAgent.getSecureSessionID());

		mAnimPreview = new LLPreviewAnimation(256, 256);

		// motion will be returned, but it will be in a load-pending state, as this is a new motion
		// this motion will not request an asset transfer until next update, so we have a chance to 
		// load the keyframe data locally
		motionp = (LLKeyframeMotion*)mAnimPreview->getDummyAvatar()->createMotion(mMotionID);

		// create data buffer for keyframe initialization
		S32 buffer_size = loaderp->getOutputSize();
		U8* buffer = new U8[buffer_size];

		LLDataPackerBinaryBuffer dp(buffer, buffer_size);

		// pass animation data through memory buffer
		loaderp->serialize(dp);
		dp.reset();
		BOOL success = motionp && motionp->deserialize(dp);

		delete []buffer;

		if (success)
		{
			setAnimCallbacks() ;
			
			const LLBBoxLocal &pelvis_bbox = motionp->getPelvisBBox();

			LLVector3 temp = pelvis_bbox.getCenter();

//-----------------------------------------------------------------------------
// onCommitLoop()
//-----------------------------------------------------------------------------
void LLFloaterAnimPreview::onCommitLoop(LLUICtrl* ctrl, void* data)
{
	LLFloaterAnimPreview* previewp = (LLFloaterAnimPreview*)data;
	if (!previewp->getEnabled())
		return;
	
	LLVOAvatar* avatarp;
	if (previewp->mInWorld)
	{
		if (!gAgent.getAvatarObject())
		{
			return;
		}
		avatarp = gAgent.getAvatarObject();
	}
	else
	{
		if (!previewp->mAnimPreview)
		{
			return;
		}
		avatarp = previewp->mAnimPreview->getDummyAvatar();
	}
	LLKeyframeMotion* motionp = (LLKeyframeMotion*)avatarp->findMotion(previewp->mMotionID);

	if (motionp)
	{
		motionp->setLoop(previewp->childGetValue("loop_check").asBoolean());
		motionp->setLoopIn((F32)previewp->childGetValue("loop_in_point").asReal() * 0.01f * motionp->getDuration());
		motionp->setLoopOut((F32)previewp->childGetValue("loop_out_point").asReal() * 0.01f * motionp->getDuration());
	}
}

//-----------------------------------------------------------------------------
// validateEaseIn()
//-----------------------------------------------------------------------------
BOOL LLFloaterAnimPreview::validateEaseIn(LLUICtrl* spin, void* data)
{
	LLFloaterAnimPreview* previewp = (LLFloaterAnimPreview*)data;	
	if (!previewp->getEnabled())
		return FALSE;

	LLVOAvatar* avatarp;
	if (previewp->mInWorld)
	{
		if (!gAgent.getAvatarObject())
		{
			return FALSE;
		}
		avatarp = gAgent.getAvatarObject();
	}
	else
	{
		if (!previewp->mAnimPreview)
		{
			return FALSE;
		}
		avatarp = previewp->mAnimPreview->getDummyAvatar();
	}
	LLKeyframeMotion* motionp = (LLKeyframeMotion*)avatarp->findMotion(previewp->mMotionID);
	
	if (!motionp->getLoop())
	{
		F32 new_ease_in = llclamp((F32)previewp->childGetValue("ease_in_time").asReal(), 0.f, motionp->getDuration() - motionp->getEaseOutDuration());
		previewp->childSetValue("ease_in_time", LLSD(new_ease_in));
	}
	
	return TRUE;
}