C++ BL_ArmatureObject::GetMRDPose方法代码示例

void BL_Action::Update(float curtime)
{
	// Don't bother if we're done with the animation
	if (m_done)
		return;

	curtime -= KX_KetsjiEngine::GetSuspendedDelta();

	// Grab the start time here so we don't end up with a negative m_localtime when
	// suspending and resuming scenes.
	if (m_starttime < 0)
		m_starttime = curtime;

	if (m_calc_localtime)
		SetLocalTime(curtime);
	else
	{
		ResetStartTime(curtime);
		m_calc_localtime = true;
	}

	// Handle wrap around
	if (m_localtime < min(m_startframe, m_endframe) || m_localtime > max(m_startframe, m_endframe)) {
		switch (m_playmode) {
			case ACT_MODE_PLAY:
				// Clamp
				m_localtime = m_endframe;
				m_done = true;
				break;
			case ACT_MODE_LOOP:
				// Put the time back to the beginning
				m_localtime = m_startframe;
				m_starttime = curtime;
				break;
			case ACT_MODE_PING_PONG:
				// Swap the start and end frames
				float temp = m_startframe;
				m_startframe = m_endframe;
				m_endframe = temp;

				m_starttime = curtime;

				break;
		}
	}

	if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_ARMATURE)
	{
		BL_ArmatureObject *obj = (BL_ArmatureObject*)m_obj;
		obj->GetPose(&m_pose);

		// Extract the pose from the action
		{
			Object *arm = obj->GetArmatureObject();
			bPose *temp = arm->pose;

			arm->pose = m_pose;
			animsys_evaluate_action(m_ptrrna, m_action, NULL, m_localtime);

			arm->pose = temp;
		}

		// Handle blending between armature actions
		if (m_blendin && m_blendframe<m_blendin)
		{
			IncrementBlending(curtime);

			// Calculate weight
			float weight = 1.f - (m_blendframe/m_blendin);

			// Blend the poses
			game_blend_poses(m_pose, m_blendinpose, weight);
		}


		// Handle layer blending
		if (m_layer_weight >= 0)
		{
			obj->GetMRDPose(&m_blendpose);
			game_blend_poses(m_pose, m_blendpose, m_layer_weight);
		}

		obj->SetPose(m_pose);

		obj->SetActiveAction(NULL, 0, curtime);
	}
	else
	{
		BL_DeformableGameObject *obj = (BL_DeformableGameObject*)m_obj;
		BL_ShapeDeformer *shape_deformer = dynamic_cast<BL_ShapeDeformer*>(obj->GetDeformer());

		// Handle shape actions if we have any
		if (shape_deformer && shape_deformer->GetKey())
		{
			Key *key = shape_deformer->GetKey();


			animsys_evaluate_action(m_ptrrna, m_action, NULL, m_localtime);

			// Handle blending between shape actions
//.........这里部分代码省略.........

bool BL_Action::Play(const char* name,
					float start,
					float end,
					short priority,
					float blendin,
					short play_mode,
					float layer_weight,
					short ipo_flags,
					float playback_speed)
{

	// Only start playing a new action if we're done, or if
	// the new action has a higher priority
	if (priority != 0 && !IsDone() && priority >= m_priority)
		return false;
	m_priority = priority;
	bAction* prev_action = m_action;

	// First try to load the action
	m_action = (bAction*)KX_GetActiveScene()->GetLogicManager()->GetActionByName(name);
	if (!m_action)
	{
		printf("Failed to load action: %s\n", name);
		m_done = true;
		return false;
	}

	if (prev_action != m_action)
	{
		// First get rid of any old controllers
		ClearControllerList();

		// Create an SG_Controller
		SG_Controller *sg_contr = BL_CreateIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
		m_sg_contr_list.push_back(sg_contr);
		m_obj->GetSGNode()->AddSGController(sg_contr);
		sg_contr->SetObject(m_obj->GetSGNode());

		// Extra controllers
		if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_LIGHT)
		{
			sg_contr = BL_CreateLampIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
			m_sg_contr_list.push_back(sg_contr);
			m_obj->GetSGNode()->AddSGController(sg_contr);
			sg_contr->SetObject(m_obj->GetSGNode());
		}
		else if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_CAMERA)
		{
			sg_contr = BL_CreateCameraIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
			m_sg_contr_list.push_back(sg_contr);
			m_obj->GetSGNode()->AddSGController(sg_contr);
			sg_contr->SetObject(m_obj->GetSGNode());
		}
	}
	
	m_ipo_flags = ipo_flags;
	InitIPO();

	// Setup blendin shapes/poses
	if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_ARMATURE)
	{
		BL_ArmatureObject *obj = (BL_ArmatureObject*)m_obj;
		obj->GetMRDPose(&m_blendinpose);
	}
	else
	{
		BL_DeformableGameObject *obj = (BL_DeformableGameObject*)m_obj;
		BL_ShapeDeformer *shape_deformer = dynamic_cast<BL_ShapeDeformer*>(obj->GetDeformer());
		
		if (shape_deformer && shape_deformer->GetKey())
		{
			obj->GetShape(m_blendinshape);

			// Now that we have the previous blend shape saved, we can clear out the key to avoid any
			// further interference.
			KeyBlock *kb;
			for (kb=(KeyBlock*)shape_deformer->GetKey()->block.first; kb; kb=(KeyBlock*)kb->next)
				kb->curval = 0.f;
		}
	}

	// Now that we have an action, we have something we can play
	m_starttime = KX_GetActiveEngine()->GetFrameTime();
	m_startframe = m_localtime = start;
	m_endframe = end;
	m_blendin = blendin;
	m_playmode = play_mode;
	m_endtime = 0.f;
	m_blendframe = 0.f;
	m_blendstart = 0.f;
	m_speed = playback_speed;
	m_layer_weight = layer_weight;
	
	m_done = false;

	return true;
}

bool BL_Action::Play(const char* name,
					float start,
					float end,
					short priority,
					float blendin,
					short play_mode,
					float layer_weight,
					short ipo_flags,
					float playback_speed)
{

	// Only start playing a new action if we're done, or if
	// the new action has a higher priority
	if (!IsDone() && priority > m_priority)
		return false;
	m_priority = priority;
	bAction* prev_action = m_action;

	// First try to load the action
	m_action = (bAction*)KX_GetActiveScene()->GetLogicManager()->GetActionByName(name);
	if (!m_action)
	{
		printf("Failed to load action: %s\n", name);
		m_done = true;
		return false;
	}

	// If we have the same settings, don't play again
	// This is to resolve potential issues with pulses on sensors such as the ones
	// reported in bug #29412. The fix is here so it works for both logic bricks and Python.
	// However, this may eventually lead to issues where a user wants to override an already
	// playing action with the same action and settings. If this becomes an issue,
	// then this fix may have to be re-evaluated.
	if (!IsDone() && m_action == prev_action && m_startframe == start && m_endframe == end
			&& m_priority == priority && m_speed == playback_speed)
		return false;

	if (prev_action != m_action)
	{
		// First get rid of any old controllers
		ClearControllerList();

		// Create an SG_Controller
		SG_Controller *sg_contr = BL_CreateIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
		m_sg_contr_list.push_back(sg_contr);
		m_obj->GetSGNode()->AddSGController(sg_contr);
		sg_contr->SetObject(m_obj->GetSGNode());

		// Extra controllers
		if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_LIGHT)
		{
			sg_contr = BL_CreateLampIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
			m_sg_contr_list.push_back(sg_contr);
			m_obj->GetSGNode()->AddSGController(sg_contr);
			sg_contr->SetObject(m_obj->GetSGNode());
		}
		else if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_CAMERA)
		{
			sg_contr = BL_CreateCameraIPO(m_action, m_obj, KX_GetActiveScene()->GetSceneConverter());
			m_sg_contr_list.push_back(sg_contr);
			m_obj->GetSGNode()->AddSGController(sg_contr);
			sg_contr->SetObject(m_obj->GetSGNode());
		}
	}
	
	m_ipo_flags = ipo_flags;
	InitIPO();

	// Setup blendin shapes/poses
	if (m_obj->GetGameObjectType() == SCA_IObject::OBJ_ARMATURE)
	{
		BL_ArmatureObject *obj = (BL_ArmatureObject*)m_obj;
		obj->GetMRDPose(&m_blendinpose);
	}
	else
	{
		BL_DeformableGameObject *obj = (BL_DeformableGameObject*)m_obj;
		BL_ShapeDeformer *shape_deformer = dynamic_cast<BL_ShapeDeformer*>(obj->GetDeformer());
		
		if (shape_deformer && shape_deformer->GetKey())
		{
			obj->GetShape(m_blendinshape);

			// Now that we have the previous blend shape saved, we can clear out the key to avoid any
			// further interference.
			KeyBlock *kb;
			for (kb=(KeyBlock*)shape_deformer->GetKey()->block.first; kb; kb=(KeyBlock*)kb->next)
				kb->curval = 0.f;
		}
	}

	// Now that we have an action, we have something we can play
	m_starttime = -1.f; // We get the start time on our first update
	m_startframe = m_localtime = start;
	m_endframe = end;
	m_blendin = blendin;
	m_playmode = play_mode;
	m_endtime = 0.f;
	m_blendframe = 0.f;
	m_blendstart = 0.f;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
	case ACT_ACTION_PLAY:
		if (wrap){
			m_localtime = m_endframe;
			keepgoing = false;
			m_flag &= ~ACT_FLAG_LOCKINPUT;
		}
		break;
	default:
		keepgoing = false;
		break;
	}
	
	/* Set the property if its defined */
	if (m_framepropname[0] != '\0') {
		CValue* propowner = GetParent();
		CValue* oldprop = propowner->GetProperty(m_framepropname);
		CValue* newval = new CFloatValue(m_localtime);
		if (oldprop) {
			oldprop->SetValue(newval);
		} else {
			propowner->SetProperty(m_framepropname, newval);
		}
		newval->Release();
	}
	
	if (bNegativeEvent)
		m_blendframe=0.0;
	
	/* Apply the pose if necessary*/
	if (apply){

		/* Priority test */
		if (obj->SetActiveAction(this, priority, curtime)){
			
			/* Get the underlying pose from the armature */
			obj->GetPose(&m_pose);

// 2.4x function, 
			/* Override the necessary channels with ones from the action */
			// XXX extract_pose_from_action(m_pose, m_action, m_localtime);
			
			
// 2.5x - replacement for extract_pose_from_action(...) above.
			{
				struct PointerRNA id_ptr;
				Object *arm= obj->GetArmatureObject();
				bPose *pose_back= arm->pose;
				
				arm->pose= m_pose;
				RNA_id_pointer_create((ID *)arm, &id_ptr);
				animsys_evaluate_action(&id_ptr, m_action, NULL, m_localtime);
				
				arm->pose= pose_back;
			
// 2.5x - could also do this but looks too high level, constraints use this, it works ok.
//				Object workob; /* evaluate using workob */
//				what_does_obaction((Scene *)obj->GetScene(), obj->GetArmatureObject(), &workob, m_pose, m_action, NULL, m_localtime);
			}

			// done getting the pose from the action
			
			/* Perform the user override (if any) */
			if (m_userpose){
				extract_pose_from_pose(m_pose, m_userpose);
				game_free_pose(m_userpose); //cant use MEM_freeN(m_userpose) because the channels need freeing too.
				m_userpose = NULL;
			}
#if 1
			/* Handle blending */
			if (m_blendin && (m_blendframe<m_blendin)){
				/* If this is the start of a blending sequence... */
				if ((m_blendframe==0.0) || (!m_blendpose)){
					obj->GetMRDPose(&m_blendpose);
					m_blendstart = curtime;
				}
				
				/* Find percentages */
				newweight = (m_blendframe/(float)m_blendin);
				game_blend_poses(m_pose, m_blendpose, 1.0 - newweight);

				/* Increment current blending percentage */
				m_blendframe = (curtime - m_blendstart)*KX_KetsjiEngine::GetAnimFrameRate();
				if (m_blendframe>m_blendin)
					m_blendframe = m_blendin;
				
			}
#endif
			m_lastUpdate = m_localtime;
			obj->SetPose (m_pose);
		}
		else{
			m_blendframe = 0.0;
		}
	}
	
	if (!keepgoing){
		m_blendframe = 0.0;
	}
	return keepgoing;
};