C++ LLAvatarJoint类代码示例

BOOL LLAvatarJoint::updateLOD(F32 pixel_area, BOOL activate)
{
	BOOL lod_changed = FALSE;
	BOOL found_lod = FALSE;

	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		F32 jointLOD = joint->getLOD();
		
		if (found_lod || jointLOD == DEFAULT_AVATAR_JOINT_LOD)
		{
			// we've already found a joint to enable, so enable the rest as alternatives
			lod_changed |= joint->updateLOD(pixel_area, TRUE);
		}
		else
		{
			if (pixel_area >= jointLOD || sDisableLOD)
			{
				lod_changed |= joint->updateLOD(pixel_area, TRUE);
				found_lod = TRUE;
			}
			else
			{
				lod_changed |= joint->updateLOD(pixel_area, FALSE);
			}
		}
	}
	return lod_changed;
}

void LLAvatarJoint::dump()
{
	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		joint->dump();
	}
}

void LLAvatarJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind, bool terse_update)
{
	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		joint->updateFaceData(face, pixel_area, damp_wind, terse_update);
	}
}

void LLAvatarJoint::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area)
{
	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		joint->updateFaceSizes(num_vertices, num_indices, pixel_area);
	}
}

void LLAvatarJoint::updateJointGeometry()
{
	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		if (joint)
			joint->updateJointGeometry();
	}
}

//--------------------------------------------------------------------
// setSkeletonComponents()
//--------------------------------------------------------------------
void LLAvatarJoint::setSkeletonComponents( U32 comp, BOOL recursive )
{
	mComponents = comp;
	if (recursive)
	{
		for (child_list_t::iterator iter = mChildren.begin();
			 iter != mChildren.end(); ++iter)
		{
			LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
			joint->setSkeletonComponents(comp, recursive);
		}
	}
}

void LLAvatarJoint::setVisible(BOOL visible, BOOL recursive)
{
	mVisible = visible;

	if (recursive)
	{
		for (child_list_t::iterator iter = mChildren.begin();
			 iter != mChildren.end(); ++iter)
		{
			LLAvatarJoint* joint = (LLAvatarJoint*)(*iter);
			joint->setVisible(visible, recursive);
		}
	}
}

//-----------------------------------------------------------------------------
// setupJoint()
//-----------------------------------------------------------------------------
void LLAvatarJointMesh::setupJoint(LLAvatarJoint* current_joint)
{
//	llinfos << "Mesh: " << getName() << llendl;

//	S32 joint_count = 0;
	U32 sj;
	for (sj=0; sj<mNumSkinJoints; sj++)
	{
		LLSkinJoint &js = mSkinJoints[sj];

		if (js.mJoint != current_joint)
		{
			continue;
		}

		// we've found a skinjoint for this joint..

		// is the last joint in the array our parent?
		if(mMesh->mJointRenderData.count() && mMesh->mJointRenderData[mMesh->mJointRenderData.count() - 1]->mWorldMatrix == &current_joint->getParent()->getWorldMatrix())
		{
			// ...then just add ourselves
			LLAvatarJoint* jointp = js.mJoint;
			mMesh->mJointRenderData.put(new LLJointRenderData(&jointp->getWorldMatrix(), &js));
//			llinfos << "joint " << joint_count << js.mJoint->getName() << llendl;
//			joint_count++;
		}
		// otherwise add our parent and ourselves
		else
		{
			mMesh->mJointRenderData.put(new LLJointRenderData(&current_joint->getParent()->getWorldMatrix(), NULL));
//			llinfos << "joint " << joint_count << current_joint->getParent()->getName() << llendl;
//			joint_count++;
			mMesh->mJointRenderData.put(new LLJointRenderData(&current_joint->getWorldMatrix(), &js));
//			llinfos << "joint " << joint_count << current_joint->getName() << llendl;
//			joint_count++;
		}
	}

	// depth-first traversal
	for (LLJoint::child_list_t::iterator iter = current_joint->mChildren.begin();
		 iter != current_joint->mChildren.end(); ++iter)
	{
		LLAvatarJoint* child_joint = (LLAvatarJoint*)(*iter);
		setupJoint(child_joint);
	}
}

//--------------------------------------------------------------------
// setValid()
//--------------------------------------------------------------------
void LLAvatarJoint::setValid( BOOL valid, BOOL recursive )
{
	//----------------------------------------------------------------
	// set visibility for this joint
	//----------------------------------------------------------------
	mValid = valid;
	
	//----------------------------------------------------------------
	// set visibility for children
	//----------------------------------------------------------------
	if (recursive)
	{
		for (child_list_t::iterator iter = mChildren.begin();
			 iter != mChildren.end(); ++iter)
		{
			LLAvatarJoint* joint = (LLAvatarJoint*)(*iter);
			joint->setValid(valid, TRUE);
		}
	}

}

//--------------------------------------------------------------------
// render()
//--------------------------------------------------------------------
U32 LLViewerJoint::render( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
{
	stop_glerror();

	U32 triangle_count = 0;

	//----------------------------------------------------------------
	// ignore invisible objects
	//----------------------------------------------------------------
	if ( mValid )
	{


		//----------------------------------------------------------------
		// if object is transparent, defer it, otherwise
		// give the joint subclass a chance to draw itself
		//----------------------------------------------------------------
		if ( is_dummy )
		{
			triangle_count += drawShape( pixelArea, first_pass, is_dummy );
		}
		else if (LLPipeline::sShadowRender)
		{
			triangle_count += drawShape(pixelArea, first_pass, is_dummy );
		}
		else if ( isTransparent() && !LLPipeline::sReflectionRender)
		{
			// Hair and Skirt
			if ((pixelArea > MIN_PIXEL_AREA_3PASS_HAIR))
			{
				// render all three passes
				LLGLDisable cull(GL_CULL_FACE);
				// first pass renders without writing to the z buffer
				{
					LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
					triangle_count += drawShape( pixelArea, first_pass, is_dummy );
				}
				// second pass writes to z buffer only
				gGL.setColorMask(false, false);
				{
					triangle_count += drawShape( pixelArea, FALSE, is_dummy  );
				}
				// third past respects z buffer and writes color
				gGL.setColorMask(true, false);
				{
					LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
					triangle_count += drawShape( pixelArea, FALSE, is_dummy  );
				}
			}
			else
			{
				// Render Inside (no Z buffer write)
				glCullFace(GL_FRONT);
				{
					LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
					triangle_count += drawShape( pixelArea, first_pass, is_dummy  );
				}
				// Render Outside (write to the Z buffer)
				glCullFace(GL_BACK);
				{
					triangle_count += drawShape( pixelArea, FALSE, is_dummy  );
				}
			}
		}
		else
		{
			// set up render state
			triangle_count += drawShape( pixelArea, first_pass );
		}
	}

	//----------------------------------------------------------------
	// render children
	//----------------------------------------------------------------
	for (child_list_t::iterator iter = mChildren.begin();
		 iter != mChildren.end(); ++iter)
	{
		LLAvatarJoint* joint = dynamic_cast<LLAvatarJoint*>(*iter);
		if (!joint)
			continue;
		F32 jointLOD = joint->getLOD();
		if (pixelArea >= jointLOD || sDisableLOD)
		{
			triangle_count += joint->render( pixelArea, TRUE, is_dummy );

			if (jointLOD != DEFAULT_AVATAR_JOINT_LOD)
			{
				break;
			}
		}
	}

	return triangle_count;
}