Ejemplo n.º 1
0
void TSShapeLoader::computeBounds(Box3F& bounds)
{
   // Compute the box that encloses the model geometry
   bounds = Box3F::Invalid;

   // Use bounds node geometry if present
   if ( boundsNode && boundsNode->getNumMesh() )
   {
      for (S32 iMesh = 0; iMesh < boundsNode->getNumMesh(); iMesh++)
      {
         AppMesh* mesh = boundsNode->getMesh( iMesh );
         if ( !mesh )
            continue;

         Box3F meshBounds;
         mesh->computeBounds( meshBounds );
         if ( meshBounds.isValidBox() )
            bounds.intersect( meshBounds );
      }
   }
   else
   {
      // Compute bounds based on all geometry in the model
      for (S32 iMesh = 0; iMesh < appMeshes.size(); iMesh++)
      {
         AppMesh* mesh = appMeshes[iMesh];
         if ( !mesh )
            continue;

         Box3F meshBounds;
         mesh->computeBounds( meshBounds );
         if ( meshBounds.isValidBox() )
            bounds.intersect( meshBounds );
      }
   }
}
Ejemplo n.º 2
0
void TransformTool::renderTool()
{
   if (!mActive)
      return;

   // Grid
   {
      Point3F editorPos = mEditorManager->mEditorCamera.getWorldPosition();
      editorPos = editorPos / 10.0f;
      editorPos.x = mFloor(editorPos.x);
      editorPos.y = mFloor(editorPos.y);
      editorPos = editorPos * 10.0f;

      Torque::Debug.ddPush();
      Torque::Debug.ddSetState(true, false, true);

      Torque::Debug.ddSetWireframe(true);
      Torque::Debug.ddSetColor(BGFXCOLOR_RGBA(255, 255, 255, 255));
      F32 gridNormal[3] = { 0.0f, 0.0f, 1.0f };
      F32 gridPos[3] = { editorPos.x, editorPos.y, -0.01f };
      Torque::Debug.ddDrawGrid(gridNormal, gridPos, 100, 10.0f);
   }

   // Draw Light Icons
   /*if (mLightIcon != NULL)
   {
      Vector<Lighting::LightData*> lightList = Torque::Lighting.getLightList();
      for (S32 n = 0; n < lightList.size(); ++n)
      {
         Lighting::LightData* light = lightList[n];

         Torque::Graphics.drawBillboard(mEditorManager->mRenderLayer4View->id,
                                              mLightIcon,
                                              light->position,
                                              1.0f, 1.0f,
                                              ColorI(light->color[0] * 255, light->color[1] * 255, light->color[2] * 255, 255),
                                              NULL);
      }
   }*/

   if (mMultiselect)
   {
      Box3F multiSelectBox;
      multiSelectBox.set(Point3F(0, 0, 0));
         
      for (S32 n = 0; n < mSelectedObjects.size(); ++n)
      {
         Scene::SceneObject* obj = dynamic_cast<Scene::SceneObject*>(mSelectedObjects[n]);
         if (obj)
         {
            if (n == 0)
               multiSelectBox = obj->mBoundingBox;
            else
               multiSelectBox.intersect(obj->mBoundingBox);
         }

         Scene::BaseComponent* component = dynamic_cast<Scene::BaseComponent*>(mSelectedObjects[n]);
         if (component)
         {
            Box3F boundingBox = component->getBoundingBox();
            boundingBox.transform(component->mTransform.matrix);

            if (n == 0)
               multiSelectBox = boundingBox;
            else
               multiSelectBox.intersect(boundingBox);
         }
      }

      mSelectionBounds        = true;
      mSelectionBoundsStart   = multiSelectBox.minExtents;
      mSelectionBoundsEnd     = multiSelectBox.maxExtents;
   }

   // Object Selected
   if (mSelectedObject != NULL && mSelectedComponent == NULL)
   {
      mSelectionBounds        = true;
      mSelectionBoundsStart   = mSelectedObject->mBoundingBox.minExtents;
      mSelectionBoundsEnd     = mSelectedObject->mBoundingBox.maxExtents;
   }

   // Component Selected
   if (mSelectedObject != NULL && mSelectedComponent != NULL)
   {
      Box3F boundingBox = mSelectedComponent->getBoundingBox();
      boundingBox.transform(mSelectedObject->mTransform.matrix);

      mSelectionBounds        = true;
      mSelectionBoundsStart   = boundingBox.minExtents;
      mSelectionBoundsEnd     = boundingBox.maxExtents;
   }

   // Selection Bounding Box
   if (mSelectionBounds)
   {
      Aabb debugBox;
      debugBox.m_min[0] = mSelectionBoundsStart.x;
      debugBox.m_min[1] = mSelectionBoundsStart.y;
      debugBox.m_min[2] = mSelectionBoundsStart.z;
      debugBox.m_max[0] = mSelectionBoundsEnd.x;
      debugBox.m_max[1] = mSelectionBoundsEnd.y;
      debugBox.m_max[2] = mSelectionBoundsEnd.z;

      Torque::Debug.ddSetWireframe(true);
      Torque::Debug.ddSetColor(BGFXCOLOR_RGBA(mSelectionBoundsColor.red, mSelectionBoundsColor.green, mSelectionBoundsColor.blue, mSelectionBoundsColor.alpha));
      Torque::Debug.ddDrawAabb(debugBox);

      Torque::Debug.ddPop();
   }

   // Gizmo
   mGizmo.render();

   // Debug
   if (mDebugWorldRay)
   {
      Torque::Debug.ddMoveTo(mLastRayStart.x, mLastRayStart.y, mLastRayStart.z);
      Torque::Debug.ddLineTo(mLastRayEnd.x, mLastRayEnd.y, mLastRayEnd.z);
   }

   if (mDebugBoxSelection)
   {
      for (U32 i = 0; i < 4; ++i)
      {
         Torque::Debug.ddMoveTo(mBoxNearPoint.x, mBoxNearPoint.y, mBoxNearPoint.z);
         Torque::Debug.ddLineTo(mBoxFarPoint[i].x, mBoxFarPoint[i].y, mBoxFarPoint[i].z);
      }
   }
}
Ejemplo n.º 3
0
void DecalRoad::_captureVerts()
{  
   PROFILE_SCOPE( DecalRoad_captureVerts );

   //Con::warnf( "%s - captureVerts", isServerObject() ? "server" : "client" );

   if ( isServerObject() )
   {
      //Con::errorf( "DecalRoad::_captureVerts - called on the server side!" );
      return;
   }

   if ( mEdges.size() == 0 )
      return;

   //
   // Construct ClippedPolyList objects for each pair
   // of roadEdges.
   // Use them to capture Terrain verts.
   //
   SphereF sphere;
   RoadEdge *edge = NULL;
   RoadEdge *nextEdge = NULL;

   mTriangleCount = 0;
   mVertCount = 0;

   Vector<ClippedPolyList> clipperList;

   for ( U32 i = 0; i < mEdges.size() - 1; i++ )
   {      
      Box3F box;
      edge = &mEdges[i];
      nextEdge = &mEdges[i+1];

      box.minExtents = edge->p1;
      box.maxExtents = edge->p1;
      box.extend( edge->p0 );
      box.extend( edge->p2 );
      box.extend( nextEdge->p0 );
      box.extend( nextEdge->p1 );
      box.extend( nextEdge->p2 );
      box.minExtents.z -= 5.0f;
      box.maxExtents.z += 5.0f;

      sphere.center = ( nextEdge->p1 + edge->p1 ) * 0.5f;
      sphere.radius = 100.0f; // NOTE: no idea how to calculate this

      ClippedPolyList clipper;
      clipper.mNormal.set(0.0f, 0.0f, 0.0f);
      VectorF n;
      PlaneF plane0, plane1;

      // Construct Back Plane
      n = edge->p2 - edge->p0;
      n.normalize();
      n = mCross( n, edge->uvec );      
      plane0.set( edge->p0, n );   
      clipper.mPlaneList.push_back( plane0 );

      // Construct Front Plane
      n = nextEdge->p2 - nextEdge->p0;
      n.normalize();
      n = -mCross( edge->uvec, n );
      plane1.set( nextEdge->p0, -n );
      //clipper.mPlaneList.push_back( plane1 );

      // Test if / where the planes intersect.
      bool discardLeft = false;
      bool discardRight = false;
      Point3F iPos; 
      VectorF iDir;

      if ( plane0.intersect( plane1, iPos, iDir ) )
      {                  
         Point2F iPos2F( iPos.x, iPos.y );
         Point2F cPos2F( edge->p1.x, edge->p1.y );
         Point2F rVec2F( edge->rvec.x, edge->rvec.y );

         Point2F iVec2F = iPos2F - cPos2F;
         F32 iLen = iVec2F.len();
         iVec2F.normalize();

         if ( iLen < edge->width * 0.5f )
         {
            F32 dot = mDot( rVec2F, iVec2F );

            // The clipping planes intersected on the right side,
            // discard the right side clipping plane.
            if ( dot > 0.0f )
               discardRight = true;         
            // The clipping planes intersected on the left side,
            // discard the left side clipping plane.
            else
               discardLeft = true;
         }
      }

      // Left Plane
      if ( !discardLeft )
      {
         n = ( nextEdge->p0 - edge->p0 );
         n.normalize();
         n = mCross( edge->uvec, n );
         clipper.mPlaneList.push_back( PlaneF(edge->p0, n) );
      }
      else
      {
         nextEdge->p0 = edge->p0;         
      }

      // Right Plane
      if ( !discardRight )
      {
         n = ( nextEdge->p2 - edge->p2 );
         n.normalize();            
         n = -mCross( n, edge->uvec );
         clipper.mPlaneList.push_back( PlaneF(edge->p2, -n) );
      }
      else
      {
         nextEdge->p2 = edge->p2;         
      }

      n = nextEdge->p2 - nextEdge->p0;
      n.normalize();
      n = -mCross( edge->uvec, n );
      plane1.set( nextEdge->p0, -n );
      clipper.mPlaneList.push_back( plane1 );

      // We have constructed the clipping planes,
      // now grab/clip the terrain geometry
      getContainer()->buildPolyList( PLC_Decal, box, TerrainObjectType, &clipper );         
      clipper.cullUnusedVerts();
      clipper.triangulate();
      clipper.generateNormals();

      // If we got something, add it to the ClippedPolyList Vector
      if ( !clipper.isEmpty() && !( smDiscardAll && ( discardRight || discardLeft ) ) )
      {
         clipperList.push_back( clipper );       
      
         mVertCount += clipper.mVertexList.size();
         mTriangleCount += clipper.mPolyList.size();
      }
   }

   //
   // Set the roadEdge height to be flush with terrain
   // This is not really necessary but makes the debug spline rendering better.
   //
   for ( U32 i = 0; i < mEdges.size() - 1; i++ )
   {            
      edge = &mEdges[i];      
      
      _getTerrainHeight( edge->p0.x, edge->p0.y, edge->p0.z );

      _getTerrainHeight( edge->p2.x, edge->p2.y, edge->p2.z );
   }

   //
   // Allocate the RoadBatch(s)   
   //

   // If we captured no verts, then we can return here without
   // allocating any RoadBatches or the Vert/Index Buffers.
   // PreprenderImage will not allocate a render instance while
   // mBatches.size() is zero.
   U32 numClippers = clipperList.size();
   if ( numClippers == 0 )
      return;

   mBatches.clear();

   // Allocate the VertexBuffer and PrimitiveBuffer
   mVB.set( GFX, mVertCount, GFXBufferTypeStatic );
   mPB.set( GFX, mTriangleCount * 3, 0, GFXBufferTypeStatic );

   // Lock the VertexBuffer
   GFXVertexPNTBT *vertPtr = mVB.lock();
   if(!vertPtr) return;
   U32 vertIdx = 0;

   //
   // Fill the VertexBuffer and vertex data for the RoadBatches
   // Loop through the ClippedPolyList Vector   
   //
   RoadBatch *batch = NULL;
   F32 texStart = 0.0f;
   F32 texEnd;
   
   for ( U32 i = 0; i < clipperList.size(); i++ )
   {   
      ClippedPolyList *clipper = &clipperList[i];
      RoadEdge &edge = mEdges[i];
      RoadEdge &nextEdge = mEdges[i+1];      

      VectorF segFvec = nextEdge.p1 - edge.p1;
      F32 segLen = segFvec.len();
      segFvec.normalize();

      F32 texLen = segLen / mTextureLength;
      texEnd = texStart + texLen;

      BiQuadToSqr quadToSquare(  Point2F( edge.p0.x, edge.p0.y ), 
                                 Point2F( edge.p2.x, edge.p2.y ), 
                                 Point2F( nextEdge.p2.x, nextEdge.p2.y ), 
                                 Point2F( nextEdge.p0.x, nextEdge.p0.y ) );  

      //
      if ( i % mSegmentsPerBatch == 0 )
      {
         mBatches.increment();
         batch = &mBatches.last();

         batch->bounds.minExtents = clipper->mVertexList[0].point;
         batch->bounds.maxExtents = clipper->mVertexList[0].point;
         batch->startVert = vertIdx;
      }

      // Loop through each ClippedPolyList        
      for ( U32 j = 0; j < clipper->mVertexList.size(); j++ )
      {
         // Add each vert to the VertexBuffer
         Point3F pos = clipper->mVertexList[j].point;
         vertPtr[vertIdx].point = pos;
         vertPtr[vertIdx].normal = clipper->mNormalList[j];                     
                  
         Point2F uv = quadToSquare.transform( Point2F(pos.x,pos.y) );
         vertPtr[vertIdx].texCoord.x = uv.x;
         vertPtr[vertIdx].texCoord.y = -(( texEnd - texStart ) * uv.y + texStart);   

         vertPtr[vertIdx].tangent = mCross( segFvec, clipper->mNormalList[j] );
         vertPtr[vertIdx].binormal = segFvec;

         vertIdx++;

         // Expand the RoadBatch bounds to contain this vertex   
         batch->bounds.extend( pos );
      }    

      batch->endVert = vertIdx - 1;

      texStart = texEnd;
   }   

   // Unlock the VertexBuffer, we are done filling it.
   mVB.unlock();

   // Lock the PrimitiveBuffer
   U16 *idxBuff;
   mPB.lock(&idxBuff);     
   U32 curIdx = 0;
   U16 vertOffset = 0;   
   batch = NULL;
   S32 batchIdx = -1;

   // Fill the PrimitiveBuffer   
   // Loop through each ClippedPolyList in the Vector
   for ( U32 i = 0; i < clipperList.size(); i++ )
   {      
      ClippedPolyList *clipper = &clipperList[i];

      if ( i % mSegmentsPerBatch == 0 )
      {
         batchIdx++;
         batch = &mBatches[batchIdx];
         batch->startIndex = curIdx;         
      }        

      for ( U32 j = 0; j < clipper->mPolyList.size(); j++ )
      {
         // Write indices for each Poly
         ClippedPolyList::Poly *poly = &clipper->mPolyList[j];                  

         AssertFatal( poly->vertexCount == 3, "Got non-triangle poly!" );

         idxBuff[curIdx] = clipper->mIndexList[poly->vertexStart] + vertOffset;         
         curIdx++;
         idxBuff[curIdx] = clipper->mIndexList[poly->vertexStart + 1] + vertOffset;            
         curIdx++;
         idxBuff[curIdx] = clipper->mIndexList[poly->vertexStart + 2] + vertOffset;                
         curIdx++;
      } 

      batch->endIndex = curIdx - 1;

      vertOffset += clipper->mVertexList.size();
   }

   // Unlock the PrimitiveBuffer, we are done filling it.
   mPB.unlock();

   // Generate the object/world bounds
   // Is the union of all batch bounding boxes.

   Box3F box;
   for ( U32 i = 0; i < mBatches.size(); i++ )
   {
      const RoadBatch &batch = mBatches[i];

      if ( i == 0 )      
         box = batch.bounds;               
      else      
         box.intersect( batch.bounds );               
   }

   Point3F pos = getPosition();

   mWorldBox = box;
   resetObjectBox();

   // Make sure we are in the correct bins given our world box.
   if( getSceneManager() != NULL )
      getSceneManager()->notifyObjectDirty( this );
}