C++ LLVolume类代码示例

void LLDrawPoolAvatar::updateRiggedVertexBuffers(LLVOAvatar* avatar)
{
	LLFastTimer t(FTM_RIGGED_VBO);

	//update rigged vertex buffers
	for (U32 type = 0; type < NUM_RIGGED_PASSES; ++type)
	{
		for (U32 i = 0; i < mRiggedFace[type].size(); ++i)
		{
			LLFace* face = mRiggedFace[type][i];
			LLDrawable* drawable = face->getDrawable();
			if (!drawable)
			{
				continue;
			}

			LLVOVolume* vobj = drawable->getVOVolume();

			if (!vobj)
			{
				continue;
			}

			LLVolume* volume = vobj->getVolume();
			S32 te = face->getTEOffset();

			if (!volume || volume->getNumVolumeFaces() <= te)
			{
				continue;
			}

			LLUUID mesh_id = volume->getParams().getSculptID();
			if (mesh_id.isNull())
			{
				continue;
			}

			const LLMeshSkinInfo* skin = gMeshRepo.getSkinInfo(mesh_id, vobj);
			if (!skin)
			{
				continue;
			}

			stop_glerror();

			const LLVolumeFace& vol_face = volume->getVolumeFace(te);
			updateRiggedFaceVertexBuffer(avatar, face, skin, volume, vol_face);
		}
	}
}

void LLLocalBitmapBrowser::performSculptUpdates(LLLocalBitmap* unit)
{

	/* looking for sculptmap using objects only */
	std::vector<LLAffectedObject> object_list = unit->getUsingObjects(false, false, true);
	if (object_list.empty()) { return; }

	for( std::vector<LLAffectedObject>::iterator iter = object_list.begin();
		 iter != object_list.end(); iter++ )
	{
		LLAffectedObject aobj = *iter;
		if ( aobj.object )
		{
			if ( !aobj.local_sculptmap ) { continue; } // should never get here. only in case of misuse.
			
			// update code [begin]   
			if ( unit->mVolumeDirty )
			{
				LLImageRaw* rawimage = gTextureList.findImage( unit->getID() )->getCachedRawImage();

				LLVolumeParams params = aobj.object->getVolume()->getParams();
				LLVolumeLODGroup* lodgroup = aobj.object->mDrawable->getVOVolume()->getVolumeManager()->getGroup(params);
			
				for (S32 i = 0; i < LLVolumeLODGroup::NUM_LODS; i++)
				{
					LLVolume* vol = lodgroup->getVolByLOD(i);

					if (vol)
						{ vol->sculpt(rawimage->getWidth(), rawimage->getHeight(), rawimage->getComponents(), rawimage->getData(), 0); }
				}

				// doing this again to fix the weirdness with selected-for-edit objects not updating otherwise.
				aobj.object->getVolume()->sculpt(rawimage->getWidth(), rawimage->getHeight(), 
												  rawimage->getComponents(), rawimage->getData(), 0);

				unit->mVolumeDirty = false;
			}

			aobj.object->mDrawable->getVOVolume()->setSculptChanged( true ); 
			aobj.object->mDrawable->getVOVolume()->markForUpdate( true );
			// update code [end]
		}
			
	}

}

void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
{
	if (avatar->isSelf() && !gAgent.needsRenderAvatar() || !gMeshRepo.meshRezEnabled())
	{
		return;
	}

	stop_glerror();

	for (U32 i = 0; i < mRiggedFace[type].size(); ++i)
	{
		LLFace* face = mRiggedFace[type][i];
		LLDrawable* drawable = face->getDrawable();
		if (!drawable)
		{
			continue;
		}
		LLVOVolume* vobj = drawable->getVOVolume();

		if (!vobj)
		{
			continue;
		}
	
		LLVolume* volume = vobj->getVolume();
		S32 te = face->getTEOffset();

		if (!volume || volume->getNumVolumeFaces() <= te || !volume->isMeshAssetLoaded())
		{
			continue;
		}

		LLUUID mesh_id = volume->getParams().getSculptID();
		if (mesh_id.isNull())
		{
			continue;
		}

		const LLMeshSkinInfo* skin = gMeshRepo.getSkinInfo(mesh_id, vobj);
		if (!skin)
		{
			continue;
		}

		stop_glerror();

		const LLVolumeFace& vol_face = volume->getVolumeFace(te);
		updateRiggedFaceVertexBuffer(avatar, face, skin, volume, vol_face, vobj);

		stop_glerror();

		U32 data_mask = LLFace::getRiggedDataMask(type);

		LLVertexBuffer* buff = face->getVertexBuffer();

		if (buff)
		{
			if (sShaderLevel > 0)
			{ //upload matrix palette to shader
				LLMatrix4 mat[64];

				for (U32 i = 0; i < skin->mJointNames.size(); ++i)
				{
					LLJoint* joint = avatar->getJoint(skin->mJointNames[i]);
					if (joint)
					{
						mat[i] = skin->mInvBindMatrix[i];
						mat[i] *= joint->getWorldMatrix();
					}
				}

				stop_glerror();

				LLDrawPoolAvatar::sVertexProgram->uniformMatrix4fv("matrixPalette",
																   skin->mJointNames.size(),
																   FALSE,
																   (GLfloat*) mat[0].mMatrix);

				stop_glerror();
			}
			else
			{
				data_mask &= ~LLVertexBuffer::MAP_WEIGHT4;
			}

			buff->setBuffer(data_mask);

			U16 start = face->getGeomStart();
			U16 end = start + face->getGeomCount()-1;
			S32 offset = face->getIndicesStart();
			U32 count = face->getIndicesCount();

			if (glow)
			{
				glColor4f(0,0,0,face->getTextureEntry()->getGlow());
			}

			gGL.getTexUnit(sDiffuseChannel)->bind(face->getTexture());
			if (normal_channel > -1)
			{
//.........这里部分代码省略.........

void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
{
	if ((avatar->isSelf() && !gAgent.needsRenderAvatar()) || !gMeshRepo.meshRezEnabled())
	{
		return;
	}

	stop_glerror();

	for (U32 i = 0; i < mRiggedFace[type].size(); ++i)
	{
		LLFace* face = mRiggedFace[type][i];
		LLDrawable* drawable = face->getDrawable();
		if (!drawable)
		{
			continue;
		}

		LLVOVolume* vobj = drawable->getVOVolume();

		if (!vobj)
		{
			continue;
		}

		LLVolume* volume = vobj->getVolume();
		S32 te = face->getTEOffset();

		if (!volume || volume->getNumVolumeFaces() <= te || !volume->isMeshAssetLoaded())
		{
			continue;
		}

		LLUUID mesh_id = volume->getParams().getSculptID();
		if (mesh_id.isNull())
		{
			continue;
		}

		const LLMeshSkinInfo* skin = gMeshRepo.getSkinInfo(mesh_id, vobj);
		if (!skin)
		{
			continue;
		}

		//stop_glerror();

		//const LLVolumeFace& vol_face = volume->getVolumeFace(te);
		//updateRiggedFaceVertexBuffer(avatar, face, skin, volume, vol_face);
		
		//stop_glerror();

		U32 data_mask = LLFace::getRiggedDataMask(type);

		LLVertexBuffer* buff = face->getVertexBuffer();

		if (buff)
		{
			if (sShaderLevel > 0)
			{ //upload matrix palette to shader
				LLMatrix4 mat[JOINT_COUNT];

				U32 count = llmin((U32) skin->mJointNames.size(), (U32) JOINT_COUNT);

				for (U32 i = 0; i < count; ++i)
				{
					LLJoint* joint = avatar->getJoint(skin->mJointNames[i]);
					if(!joint)
					{
						joint = avatar->getJoint("mRoot");
					}
					if (joint)
					{
						LLMatrix4a tmp;
						tmp.loadu((F32*)skin->mInvBindMatrix[i].mMatrix);
						tmp.setMul(joint->getWorldMatrix(),tmp);
						mat[i] = LLMatrix4(tmp.getF32ptr());
					}
				}
				
				stop_glerror();

				F32 mp[JOINT_COUNT*12];

				for (U32 i = 0; i < count; ++i)
				{
					F32* m = (F32*) mat[i].mMatrix;

					U32 idx = i*12;

					mp[idx+0] = m[0];
					mp[idx+1] = m[1];
					mp[idx+2] = m[2];
					mp[idx+3] = m[12];

					mp[idx+4] = m[4];
					mp[idx+5] = m[5];
					mp[idx+6] = m[6];
					mp[idx+7] = m[13];

//.........这里部分代码省略.........

bool Setup()
{
	axis = new Axis(Device);
	accessSqlite();
	
	//LLProfileParams profileParams = LLProfileParams(
	//	LL_PCODE_PROFILE_SQUARE, //Curve
	//	0.f, //Begin
	//	1.0f, //End
	//	0.0f); //Hollow
	//LLPathParams pathParams = LLPathParams(
	//	LL_PCODE_PATH_LINE, //curve 
	//	0.f, //begin
	//	1.0f, //end
	//	1.f, //scaleX
	//	1.f, //scaleY
	//	0.f, //shearX
	//	0.f, //shearY
	//	0.f, //twistEnd
	//	0.f, //twistBegin
	//	0.f, //radiusOffset
	//	0.f, //taperX
	//	0.f, //taperY
	//	1.f, //revolutions
	//	0.f);  //skew
	for(int i=0; i<profileParams.size(); i++)
	{
		LLVolumeParams volumeParams = LLVolumeParams(
			profileParams[ i ], 
			pathParams[ i ], 
			0, //LLUUID
			LL_SCULPT_TYPE_NONE);
		LLVolume* volume = new LLVolume(
			volumeParams, 
			4.f, //detail
			false, //generate_single_face
			FALSE); //is_unique

		S32 numFaces = volume->getNumFaces();
		for(S32 j=0; j<numFaces; j++)
		{
			LLVolumeFace volumeFace = volume->getVolumeFace(j); 
			obj.push_back( Object(Device, &volumeFace, positions[i], rotations[i], scales[i]));
		}
	}
	
	//创建纹理
	D3DXCreateTextureFromFile(
	Device,
	"testTex.jpg",
	&Tex);

	//HRESULT D3DXCreateFont(
	//	  Device,		//LPDIRECT3DDEVICE9 pDevice,
	//	  50,	//INT Height,
	//	  20,	 //UINT Width,
	//	  500,		//UINT Weight,
	//	  0,	//UINT MipLevels,
	//	  false,	//BOOL Italic,
	//	  DEFAULT_CHARSET,	 //DWORD CharSet,
	//	  0,	//DWORD OutputPrecision,
	//	  0,	//DWORD Quality,
	//	  0,	//DWORD PitchAndFamily,
	//	  "Arial",	//LPCTSTR pFacename,
	//	  &font	//LPD3DXFONT * ppFont
	//);
	//RECT rect = {-1, 0, Width, Height};

	/*
	Set projection matrix
	*/
	D3DXMATRIX proj;
	//正射投影
	//D3DXMatrixOrthoLH(&proj, 
	//	5, //width of the view volume
	//	5, //height of the view volume
	//	1.0f, //z-near
	//	1000.f); //z-far

	//透视投影
	D3DXMatrixPerspectiveFovLH(
		&proj,
		D3DX_PI * 0.25,
		(float)Width/(float)Height,
		1.0f,
		1000.0f);
	Device->SetTransform(D3DTS_PROJECTION, &proj);

	return true;
}

void LLSceneView::draw()
{
	S32 margin = 10;
	S32 height = (S32) (gViewerWindow->getWindowRectScaled().getHeight()*0.75f);
	S32 width = (S32) (gViewerWindow->getWindowRectScaled().getWidth() * 0.75f);
	
	LLRect new_rect;
	new_rect.setLeftTopAndSize(getRect().mLeft, getRect().mTop, width, height);
	setRect(new_rect);

	// Draw the window background
	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
	gl_rect_2d(0, getRect().getHeight(), getRect().getWidth(), 0, LLColor4(0.f, 0.f, 0.f, 0.25f));
	

	//aggregate some statistics

	//object sizes
	std::vector<F32> size[2];

	//triangle counts
	std::vector<S32> triangles[2]; 
	std::vector<S32> visible_triangles[2];
	S32 total_visible_triangles[] = {0, 0};
	S32 total_triangles[] = {0, 0};
	
	//streaming cost
	std::vector<F32> streaming_cost[2];
	F32 total_streaming[] = { 0.f, 0.f };

	//physics cost
	std::vector<F32> physics_cost[2];
	F32 total_physics[] = { 0.f, 0.f };
	

	U32 object_count = 0;

	LLViewerRegion* region = gAgent.getRegion();
	if (region)
	{
		for (U32 i = 0; i < gObjectList.getNumObjects(); ++i)
		{
			LLViewerObject* object = gObjectList.getObject(i);
			
			if (object && 
				object->getVolume()&&
				object->getRegion() == region)
			{
				U32 idx = object->isAttachment() ? 1 : 0;

				LLVolume* volume = object->getVolume();
				object_count++;
				
				F32 radius = object->getScale().magVec();
				size[idx].push_back(radius);

				S32 visible = volume->getNumTriangles();
				S32 high_triangles = object->getHighLODTriangleCount();

				total_visible_triangles[idx] += visible;
				total_triangles[idx] += high_triangles;

				visible_triangles[idx].push_back(visible);
				triangles[idx].push_back(high_triangles);

				F32 streaming = object->getStreamingCost();
				total_streaming[idx] += streaming;
				streaming_cost[idx].push_back(streaming);

				F32 physics = object->getPhysicsCost();
				total_physics[idx] += physics;
				physics_cost[idx].push_back(physics);
			}
		}
	}

	const char* category[] =
	{
		"Region",
		"Attachment"
	};

	S32 graph_pos[4];

	for (U32 i = 0; i < 4; ++i)
	{
		graph_pos[i] = new_rect.getHeight()/4*(i+1);
	}

	for (U32 idx = 0; idx < 2; idx++)
	{
		if (!size[idx].empty())
		{ //display graph of object sizes
			std::sort(size[idx].begin(), size[idx].end());

			ll_remove_outliers(size[idx], 1.f);

			LLRect size_rect;
			
			if (idx == 0)
//.........这里部分代码省略.........

BOOL LLFace::genVolumeBBoxes(const LLVolume &volume, S32 f,
								const LLMatrix4& mat_vert_in, const LLMatrix3& mat_normal_in, BOOL global_volume)
{
	LLMemType mt1(LLMemType::MTYPE_DRAWABLE);

	//get bounding box
	if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME | LLDrawable::REBUILD_POSITION
#if MESH_ENABLED
		| LLDrawable::REBUILD_RIGGED
#endif //MESH_ENABLED
		))
	{
		//VECTORIZE THIS
		LLMatrix4a mat_vert;
		mat_vert.loadu(mat_vert_in);

		LLMatrix4a mat_normal;
		mat_normal.loadu(mat_normal_in);

		//if (mDrawablep->isState(LLDrawable::REBUILD_VOLUME))
		//{ //vertex buffer no longer valid
		//	mVertexBuffer = NULL;
		//	mLastVertexBuffer = NULL;
		//}

		//VECTORIZE THIS
		LLVector4a min,max;
	
		if (f >= volume.getNumVolumeFaces())
		{
			llwarns << "Generating bounding box for invalid face index!" << llendl;
			f = 0;
		}

		const LLVolumeFace &face = volume.getVolumeFace(f);
		min = face.mExtents[0];
		max = face.mExtents[1];
		
		llassert(less_than_max_mag(min));
		llassert(less_than_max_mag(max));

		//min, max are in volume space, convert to drawable render space
		LLVector4a center;
		LLVector4a t;
		t.setAdd(min, max);
		t.mul(0.5f);
		mat_vert.affineTransform(t, center);
		LLVector4a size;
		size.setSub(max, min);
		size.mul(0.5f);

		llassert(less_than_max_mag(min));
		llassert(less_than_max_mag(max));

		if (!global_volume)
		{
			//VECTORIZE THIS
			LLVector4a scale;
			scale.load3(mDrawablep->getVObj()->getScale().mV);
			size.mul(scale);
		}

		mat_normal.mMatrix[0].normalize3fast();
		mat_normal.mMatrix[1].normalize3fast();
		mat_normal.mMatrix[2].normalize3fast();
		
		LLVector4a v[4];

		//get 4 corners of bounding box
		mat_normal.rotate(size,v[0]);

		//VECTORIZE THIS
		LLVector4a scale;
		
		scale.set(-1.f, -1.f, 1.f);
		scale.mul(size);
		mat_normal.rotate(scale, v[1]);
		
		scale.set(1.f, -1.f, -1.f);
		scale.mul(size);
		mat_normal.rotate(scale, v[2]);
		
		scale.set(-1.f, 1.f, -1.f);
		scale.mul(size);
		mat_normal.rotate(scale, v[3]);

		LLVector4a& newMin = mExtents[0];
		LLVector4a& newMax = mExtents[1];
		
		newMin = newMax = center;
		
		llassert(less_than_max_mag(center));
		
		for (U32 i = 0; i < 4; i++)
		{
			LLVector4a delta;
			delta.setAbs(v[i]);
			LLVector4a min;
			min.setSub(center, delta);
			LLVector4a max;
//.........这里部分代码省略.........

BOOL LLFace::getGeometryVolume(const LLVolume& volume,
							   const S32 &f,
								const LLMatrix4& mat_vert_in, const LLMatrix3& mat_norm_in,
								const U16 &index_offset,
								bool force_rebuild)
{
	llassert(verify());
	const LLVolumeFace &vf = volume.getVolumeFace(f);
	S32 num_vertices = (S32)vf.mNumVertices;
	S32 num_indices = (S32) vf.mNumIndices;
	
	if (mVertexBuffer.notNull())
	{
		if (num_indices + (S32) mIndicesIndex > mVertexBuffer->getNumIndices())
		{
			llwarns	<< "Index buffer overflow!" << llendl;
			llwarns << "Indices Count: " << mIndicesCount
					<< " VF Num Indices: " << num_indices
					<< " Indices Index: " << mIndicesIndex
					<< " VB Num Indices: " << mVertexBuffer->getNumIndices() << llendl;
			llwarns	<< "Last Indices Count: " << mLastIndicesCount
					<< " Last Indices Index: " << mLastIndicesIndex
					<< " Face Index: " << f
					<< " Pool Type: " << mPoolType << llendl;
			return FALSE;
		}

		if (num_vertices + mGeomIndex > mVertexBuffer->getNumVerts())
		{
			llwarns << "Vertex buffer overflow!" << llendl;
			return FALSE;
		}
	}

	LLStrider<LLVector3> vertices;
	LLStrider<LLVector2> tex_coords;
	LLStrider<LLVector2> tex_coords2;
	LLStrider<LLVector3> normals;
	LLStrider<LLColor4U> colors;
	LLStrider<LLVector3> binormals;
	LLStrider<U16> indicesp;
#if MESH_ENABLED
	LLStrider<LLVector4> weights;
#endif //MESH_ENABLED

	BOOL full_rebuild = force_rebuild || mDrawablep->isState(LLDrawable::REBUILD_VOLUME);
	
	BOOL global_volume = mDrawablep->getVOVolume()->isVolumeGlobal();
	LLVector3 scale;
	if (global_volume)
	{
		scale.setVec(1,1,1);
	}
	else
	{
		scale = mVObjp->getScale();
	}
	
	bool rebuild_pos = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_POSITION);
	bool rebuild_color = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_COLOR);
	bool rebuild_tcoord = full_rebuild || mDrawablep->isState(LLDrawable::REBUILD_TCOORD);
	bool rebuild_normal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_NORMAL);
	bool rebuild_binormal = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_BINORMAL);
#if MESH_ENABLED
	bool rebuild_weights = rebuild_pos && mVertexBuffer->hasDataType(LLVertexBuffer::TYPE_WEIGHT4);
#endif //MESH_ENABLED

	const LLTextureEntry *tep = mVObjp->getTE(f);
	if (!tep) rebuild_color = FALSE;	// can't get color when tep is NULL
	U8  bump_code = tep ? tep->getBumpmap() : 0;


	
	BOOL is_static = mDrawablep->isStatic();
	BOOL is_global = is_static;

	LLVector3 center_sum(0.f, 0.f, 0.f);
	
	if (is_global)
	{
		setState(GLOBAL);
	}
	else
	{
		clearState(GLOBAL);
	}

	LLColor4U color = (tep ? LLColor4U(tep->getColor()) : LLColor4U::white);

	if (rebuild_color)	// FALSE if tep == NULL
	{
		if (tep)
		{
			GLfloat alpha[4] =
			{
				0.00f,
				0.25f,
				0.5f,
				0.75f
			};
//.........这里部分代码省略.........

//.........这里部分代码省略.........
				}
			}
		}
		media_focused_panel->setVisible(mMediaFocus);
		media_hover_panel->setVisible(!mMediaFocus);

		if(media_plugin == NULL)
		// Handle Scrolling
		switch (mScrollState) 
		{
		case SCROLL_UP:
			media_plugin->scrollEvent(0, -1, MASK_NONE);
			break;
		case SCROLL_DOWN:
			media_plugin->scrollEvent(0, 1, MASK_NONE);
			break;
		case SCROLL_LEFT:
			mMediaImpl->handleKeyHere(KEY_LEFT, MASK_NONE);
			break;
		case SCROLL_RIGHT:
			mMediaImpl->handleKeyHere(KEY_RIGHT, MASK_NONE);
			break;
		case SCROLL_NONE:
		default:
			break;
		}
		LLBBox screen_bbox;
		setVisible(TRUE);
		glh::matrix4f mat = glh_get_current_projection()*glh_get_current_modelview();
		std::vector<LLVector3>::iterator vert_it;
		std::vector<LLVector3>::iterator vert_end;
		std::vector<LLVector3> vect_face;

		LLVolume* volume = objectp->getVolume();

		if (volume)
		{
			const LLVolumeFace& vf = volume->getVolumeFace(nodep->getLastSelectedTE());

			const LLVector3* ext = vf.mExtents;

			LLVector3 center = (ext[0]+ext[1])*0.5f;
			LLVector3 size = (ext[1]-ext[0])*0.5f;
			LLVector3 vert[] =
			{
				center + size.scaledVec(LLVector3(1,1,1)),
				center + size.scaledVec(LLVector3(-1,1,1)),
				center + size.scaledVec(LLVector3(1,-1,1)),
				center + size.scaledVec(LLVector3(-1,-1,1)),
				center + size.scaledVec(LLVector3(1,1,-1)),
				center + size.scaledVec(LLVector3(-1,1,-1)),
				center + size.scaledVec(LLVector3(1,-1,-1)),
				center + size.scaledVec(LLVector3(-1,-1,-1)),
			};

			LLVOVolume* vo = (LLVOVolume*) objectp;

			for (U32 i = 0; i < 8; i++)
			{
				vect_face.push_back(vo->volumePositionToAgent(vert[i]));	
			}
		}
		vert_it = vect_face.begin();
		vert_end = vect_face.end();

		LLVector3 min = LLVector3(1,1,1);