//-----------------------------------------------------------------------------
// Purpose: 
// Input  : pView - 
//			nFlags - 
//			point - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool Marker3D::OnLMouseDown2D(CMapView2D *pView, UINT nFlags, CPoint point)
{
	CMapDoc *pDoc = pView->GetDocument();
	if (pDoc == NULL)
	{
		return true;
	}

	CMapWorld *pWorld = pDoc->GetMapWorld();

	m_bLButtonDown = true;

	pView->SetCapture();

	//
	// Convert to some odd coordinate space that the base tools code uses.
	//
  	CPoint ptScreen = point;
	ptScreen.x += pView->GetScrollPos(SB_HORZ);
	ptScreen.y += pView->GetScrollPos(SB_VERT);
	
	//
	// Convert point to world coords.
	//
	pView->ClientToWorld(point);

	Vector ptOrg = vec3_origin;
	ptOrg[axHorz] = point.x;
	ptOrg[axVert] = point.y;

	//
	// Snap starting position to grid.
	//
	if (!(GetAsyncKeyState(VK_MENU) & 0x8000))
	{
		pDoc->Snap(ptOrg);
	}

	StartNew(ptOrg);
	pView->SetUpdateFlag(CMapView2D::updTool);

	return true;
}
//-----------------------------------------------------------------------------
// Purpose: Handles left mouse button down events in the 2D view.
// Input  : Per CWnd::OnLButtonDown.
// Output : Returns true if the message was handled, false if not.
//-----------------------------------------------------------------------------
bool Clipper3D::OnLMouseDown2D(CMapView2D *pView, UINT nFlags, CPoint point)
{
	CMapDoc *pDoc = pView->GetDocument();
	CMapWorld *pWorld = pDoc->GetMapWorld();

	m_ptLDownClient = point;
	m_bLButtonDown = true;

	pView->SetCapture();

	//
	// Convert to some odd coordinate space that the base tools code uses.
	//
  	CPoint ptScreen = point;
	ptScreen.x += pView->GetScrollPos(SB_HORZ);
	ptScreen.y += pView->GetScrollPos(SB_VERT);
	
	//
	// Convert point to world coords.
	//
	pView->ClientToWorld(point);

	Vector ptOrg( COORD_NOTINIT, COORD_NOTINIT, COORD_NOTINIT );
	ptOrg[axHorz] = point.x;
	ptOrg[axVert] = point.y;

	// getvisiblepoint fills in any coord that's still set to COORD_NOTINIT:
	pDoc->GetBestVisiblePoint(ptOrg);

	// snap starting position to grid
	if (!(GetAsyncKeyState(VK_MENU) & 0x8000))
	{
		pDoc->Snap(ptOrg);
	}
	
	BOOL bStarting = FALSE;

	// if the tool is not empty, and shift is not held down (to
	//  start a new camera), don't do anything.
	if(!IsEmpty())
	{
		if(!StartTranslation(ptScreen))
		{
			if (nFlags & MK_SHIFT)
			{
				SetEmpty();
				bStarting = TRUE;
			}
			else
			{
				goto _DoNothing;
			}
		}
	}
	else
	{
		bStarting = TRUE;
	}

	SetClipObjects(pDoc->Selection_GetList());

	if (bStarting)
	{
		StartNew(ptOrg);
		pView->SetUpdateFlag(CMapView2D::updTool);
	}

_DoNothing:

	return true;
}
//-----------------------------------------------------------------------------
// Purpose: 
// Input  : *pView - 
//			nFlags - 
//			point - 
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool Marker3D::OnLMouseDown3D(CMapView3D *pView, UINT nFlags, CPoint point)
{
	ULONG ulFace;
	CMapClass *pObject = pView->NearestObjectAt(point, ulFace);
	if (pObject != NULL)
	{
		CMapSolid *pSolid = dynamic_cast <CMapSolid *> (pObject);
		if (pSolid == NULL)
		{
			// Clicked on a point entity - do nothing.
			return true;
		}

		CMapDoc *pDoc = pView->GetDocument();

		//
		// Build a ray to trace against the face that they clicked on to
		// find the point of intersection.
		//			
		Vector Start;
		Vector End;
		pView->BuildRay(point, Start, End);

		Vector HitPos, HitNormal;
		CMapFace *pFace = pSolid->GetFace(ulFace);
		if (pFace->TraceLine(HitPos, HitNormal, Start, End))
		{
			if (GetMainWnd()->m_ObjectBar.IsEntityToolCreatingPrefab())
			{
				//
				// Prefab creation.
				//
				pDoc->Snap(HitPos);

				GetHistory()->MarkUndoPosition(pDoc->Selection_GetList(), "New Prefab");

				// Get prefab object
				CMapClass *pPrefabObject = GetMainWnd()->m_ObjectBar.BuildPrefabObjectAtPoint(HitPos);

				//
				// Add prefab to the world.
				//
				CMapWorld *pWorld = pDoc->GetMapWorld();
				pDoc->ExpandObjectKeywords(pPrefabObject, pWorld);
				pDoc->AddObjectToWorld(pPrefabObject);
				GetHistory()->KeepNew(pPrefabObject);

				//
				// Select the new object.
				//
				pDoc->SelectObject(pPrefabObject, CMapDoc::scClear | CMapDoc::scSelect | CMapDoc::scUpdateDisplay);

				//
				// Update world bounds.
				//
				UpdateBox ub;
				CMapObjectList ObjectList;
				ObjectList.AddTail(pPrefabObject);
				ub.Objects = &ObjectList;

				Vector mins;
				Vector maxs;
				pPrefabObject->GetRender2DBox(mins, maxs);
				ub.Box.SetBounds(mins, maxs);

				pDoc->UpdateAllViews(NULL, MAPVIEW_UPDATE_OBJECTS, &ub);
				
				pDoc->SetModifiedFlag();
			}
			else if (GetMainWnd()->m_ObjectBar.IsEntityToolCreatingEntity())
			{
				//
				// Entity creation.
				//
				GetHistory()->MarkUndoPosition(pDoc->Selection_GetList(), "New Entity");
				
				CMapEntity *pEntity = new CMapEntity;
				pEntity->SetPlaceholder(TRUE);
				pEntity->SetOrigin(HitPos);
				pEntity->SetClass(CObjectBar::GetDefaultEntityClass());
				
				//Align the entity on the plane properly
				//				pEntity->AlignOnPlane(HitPos, &pFace->plane, (pFace->plane.normal[2] > 0.0f) ? CMapEntity::ALIGN_BOTTOM : CMapEntity::ALIGN_TOP);
				pEntity->AlignOnPlane(HitPos, &pFace->plane, (HitNormal[2] > 0.0f) ? CMapEntity::ALIGN_BOTTOM : CMapEntity::ALIGN_TOP);
									
				CMapWorld *pWorld = pDoc->GetMapWorld();
				pDoc->AddObjectToWorld(pEntity);
				
				GetHistory()->KeepNew(pEntity);

				//
				// Select the new object.
				//
				pDoc->SelectObject(pEntity, CMapDoc::scClear | CMapDoc::scSelect | CMapDoc::scUpdateDisplay);
				
 				UpdateBox ub;
				CMapObjectList ObjectList;
				ObjectList.AddTail(pEntity);
				ub.Objects = &ObjectList;

				Vector mins;
				Vector maxs;
				pEntity->GetRender2DBox(mins, maxs);
				ub.Box.SetBounds(mins, maxs);

				pDoc->UpdateAllViews(NULL, MAPVIEW_UPDATE_OBJECTS, &ub);
			
				pDoc->SetModifiedFlag();
			}
		}
	}

	return true;
}