コード例 #1
0
bool LIRenAttachmentEntity::create_skeleton ()
{
	Ogre::SkeletonInstance* skeleton = entity->getSkeleton ();
	if (skeleton == NULL)
		return false;

	/* Set the initial bone transformations. */
	/* The mesh may not have set these correctly if it depended on bones
	   in external skeletons. Because of external bones, we need to set
	   the transformations using the pose skeleton of the object. */
	LIRenModelData* model = get_model ();
	if (model != NULL && model->rest_pose_buffer != NULL)
	{
		for (int i = 0 ; i < model->rest_pose_buffer->bones.count ; i++)
		{
			const LIMdlPoseBufferBone* group = model->rest_pose_buffer->bones.array + i;
			if (!group->name)
				continue;
			LIMatTransform t;
			if (!object->get_node_transform (group->name, t))
				continue;
			Ogre::Bone* bone = skeleton->getBone (i);
			bone->setPosition (t.position.x, t.position.y, t.position.z);
			bone->setOrientation (t.rotation.w, t.rotation.x, t.rotation.y, t.rotation.z);
		}
	}

	/* Make all bones manually controlled. */
	for (int i = 0 ; i < skeleton->getNumBones () ; i++)
	{
		Ogre::Bone* bone = skeleton->getBone (i);
		bone->setManuallyControlled (true);
	}

	/* Set the binding pose. */
	skeleton->setBindingPose ();

	return true;
}
コード例 #2
0
    void EC_OgreAnimationController::Update(f64 frametime)
    {
        Ogre::Entity* entity = GetEntity();
        if (!entity) return;
        
        std::vector<std::string> erase_list;
        
        // Loop through all animations & update them as necessary
        for (AnimationMap::iterator i = animations_.begin(); i != animations_.end(); ++i)
        {
            Ogre::AnimationState* animstate = GetAnimationState(entity, i->first);
            if (!animstate)
                continue;
                
            switch(i->second.phase_)
            {
            case PHASE_FADEIN:
                // If period is infinitely fast, skip to full weight & PLAY status
                if (i->second.fade_period_ == 0.0f)
                {
                    i->second.weight_ = 1.0f;
                    i->second.phase_ = PHASE_PLAY;
                }   
                else
                {
                    i->second.weight_ += (1.0f / i->second.fade_period_) * frametime;
                    if (i->second.weight_ >= 1.0f)
                    {
                        i->second.weight_ = 1.0f;
                        i->second.phase_ = PHASE_PLAY;
                    }
                }
                break;

            case PHASE_PLAY:
                if (i->second.auto_stop_ || i->second.num_repeats_ != 1)
                {
                    if ((i->second.speed_factor_ >= 0.f && animstate->getTimePosition() >= animstate->getLength()) ||
                        (i->second.speed_factor_ < 0.f && animstate->getTimePosition() <= 0.f))
                    {
                        if (i->second.num_repeats_ != 1)
                        {
                            if (i->second.num_repeats_ > 1)
                                i->second.num_repeats_--;

                            Ogre::Real rewindpos = i->second.speed_factor_ >= 0.f ? (animstate->getTimePosition() - animstate->getLength()) : animstate->getLength();
                            animstate->setTimePosition(rewindpos);
                        }
                        else
                        {
                            i->second.phase_ = PHASE_FADEOUT;
                        }
                    }
                }
                break;	

            case PHASE_FADEOUT:
                // If period is infinitely fast, skip to disabled status immediately
                if (i->second.fade_period_ == 0.0f)
                {
                    i->second.weight_ = 0.0f;
                    i->second.phase_ = PHASE_STOP;
                }
                else
                {
                    i->second.weight_ -= (1.0f / i->second.fade_period_) * frametime;
                    if (i->second.weight_ <= 0.0f)
                    {
                        i->second.weight_ = 0.0f;
                        i->second.phase_ = PHASE_STOP;
                    }
                }
                break;
            }

            // Set weight & step the animation forward
            if (i->second.phase_ != PHASE_STOP)
            {
                Ogre::Real advance = i->second.speed_factor_ * frametime;
                Ogre::Real new_weight = i->second.weight_ * i->second.weight_factor_;
                
                if (new_weight != animstate->getWeight())
                    animstate->setWeight((Ogre::Real)i->second.weight_ * i->second.weight_factor_);
                if (advance != 0.0f)
                    animstate->addTime((Ogre::Real)(i->second.speed_factor_ * frametime));
                if (!animstate->getEnabled())
                    animstate->setEnabled(true);
            }
            else
            {
                // If stopped, disable & remove this animation from list
                animstate->setEnabled(false);
                erase_list.push_back(i->first);
            }
        }
        
        for (uint i = 0; i < erase_list.size(); ++i)
        {
            animations_.erase(erase_list[i]);
        }
        
        // High-priority/low-priority blending code
        if (entity->hasSkeleton())
        {
            Ogre::SkeletonInstance* skel = entity->getSkeleton();
            if (!skel)
                return;
                
		    if (highpriority_mask_.size() != skel->getNumBones())
			    highpriority_mask_.resize(skel->getNumBones());
		    if (lowpriority_mask_.size() != skel->getNumBones())
			    lowpriority_mask_.resize(skel->getNumBones());

            for (uint i = 0; i < skel->getNumBones(); ++i)
            {
                highpriority_mask_[i] = 1.0;
                lowpriority_mask_[i] = 1.0;
            }

		    // Loop through all high priority animations & update the lowpriority-blendmask based on their active tracks
            for (AnimationMap::iterator i = animations_.begin(); i != animations_.end(); ++i)
	        {
                Ogre::AnimationState* animstate = GetAnimationState(entity, i->first);
                if (!animstate)
                    continue;	        
                // Create blend mask if animstate doesn't have it yet
                if (!animstate->hasBlendMask())
                    animstate->createBlendMask(skel->getNumBones());

                if ((i->second.high_priority_) && (i->second.weight_ > 0.0))
                {
				    // High-priority animations get the full weight blend mask
                    animstate->_setBlendMaskData(&highpriority_mask_[0]);
                    if (!skel->hasAnimation(animstate->getAnimationName()))
                        continue;
                        
                    Ogre::Animation* anim = skel->getAnimation(animstate->getAnimationName());
                    
                    Ogre::Animation::NodeTrackIterator it = anim->getNodeTrackIterator();
                    while (it.hasMoreElements())
                    {
					    Ogre::NodeAnimationTrack* track = it.getNext();
					    unsigned id = track->getHandle();
					    // For each active track, reduce corresponding bone weight in lowpriority-blendmask 
					    // by this animation's weight
					    if (id < lowpriority_mask_.size())
					    {
						    lowpriority_mask_[id] -= i->second.weight_;
						    if (lowpriority_mask_[id] < 0.0) lowpriority_mask_[id] = 0.0;
					    }
			        }
                }
            }

		    // Now set the calculated blendmask on low-priority animations
            for (AnimationMap::iterator i = animations_.begin(); i != animations_.end(); ++i)
	        {
                Ogre::AnimationState* animstate = GetAnimationState(entity, i->first);
                if (!animstate)
                    continue;	
                if (i->second.high_priority_ == false)	        
                    animstate->_setBlendMaskData(&lowpriority_mask_[0]);			    			   
		    }
        }
    }