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romkazvo
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Editor/Brush/BrushTool.cpp
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360
Editor/Brush/BrushTool.cpp
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`////////////////////////////////////////////////////////////////////////////
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//
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// Crytek Engine Source File.
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// Copyright (C), Crytek Studios, 2001.
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// -------------------------------------------------------------------------
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// File name: BrushTool.cpp
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// Version: v1.00
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// Created: 11/1/2002 by Timur.
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// Compilers: Visual C++ 6.0
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// Description: Terrain Modification Tool implementation.
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// -------------------------------------------------------------------------
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// History:
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//
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////////////////////////////////////////////////////////////////////////////
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#include "StdAfx.h"
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#include "BrushTool.h"
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#include "..\Viewport.h"
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#include "Brush.h"
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#include "..\Objects\ObjectManager.h"
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#include "..\Objects\BrushObject.h"
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//////////////////////////////////////////////////////////////////////////
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IMPLEMENT_DYNCREATE(CBrushTool,CEditTool)
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//////////////////////////////////////////////////////////////////////////
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CBrushTool::CBrushTool()
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{
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m_IEditor = 0;
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m_mode = BrushNoMode;
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m_bMouseCaptured = false;
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m_lastBrushBounds = BBox( Vec3(-32,-32,-32),Vec3(32,32,32) );
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}
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//////////////////////////////////////////////////////////////////////////
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CBrushTool::~CBrushTool()
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{
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}
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//////////////////////////////////////////////////////////////////////////
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void CBrushTool::BeginEditParams( IEditor *ie,int flags )
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{
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m_IEditor = ie;
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}
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//////////////////////////////////////////////////////////////////////////
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void CBrushTool::EndEditParams()
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{
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}
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void::CBrushTool::Display( DisplayContext &dc )
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{
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CalcLastBrushSize();
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}
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bool CBrushTool::OnLButtonDown( CViewport *view,UINT nFlags,CPoint point )
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{
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m_mode = BrushNoMode;
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m_mouseDownPos = point;
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if (nFlags & MK_SHIFT)
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{
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// Enable Create or sheer mode.
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if (GetIEditor()->GetSelection()->IsEmpty())
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{
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// Create new brush.
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m_mode = BrushCreateMode;
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view->BeginUndo();
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view->CaptureMouse();
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m_bMouseCaptured = true;
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return true;
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}
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}
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bool bMouseClickedSelected = false;
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// If clicked within selected brush. move this brush.
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ObjectHitInfo hitInfo(view,point);
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if (view->HitTest( point,hitInfo ))
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{
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if (hitInfo.object->GetType() == OBJTYPE_BRUSH && hitInfo.object->IsSelected())
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{
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bMouseClickedSelected = true;
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// Only Left buttons should be pressed (no combinations)
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if (nFlags == MK_LBUTTON)
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{
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m_mode = BrushMoveMode;
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view->BeginUndo();
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view->CaptureMouse();
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m_bMouseCaptured = true;
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return true;
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}
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}
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}
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if (nFlags & MK_SHIFT)
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{
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if (!bMouseClickedSelected)
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{
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// Clicked outside of selected objects.
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// So start streching brushes.
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//GetIEditor()->ClearSelection();
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bool bShear = (nFlags & MK_CONTROL) != 0;
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m_mode = BrushStretchMode;
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view->BeginUndo();
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view->CaptureMouse();
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m_bMouseCaptured = true;
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// Select brush drag sides.
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CSelectionGroup *selection = GetIEditor()->GetSelection();
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for (int i = 0; i < selection->GetCount(); i++)
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{
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if (!selection->GetObject(i)->IsKindOf(RUNTIME_CLASS(CBrushObject)))
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continue;
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CBrushObject *brushObj = (CBrushObject*)selection->GetObject(i);
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Vec3 raySrc,rayDir;
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view->ViewToWorldRay( point,raySrc,rayDir );
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brushObj->SelectBrushSide( raySrc,rayDir,bShear );
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}
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m_IEditor->UpdateViews(eUpdateObjects);
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return true;
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}
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}
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CBrushTool::OnLButtonUp( CViewport *view,UINT nFlags,CPoint point )
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{
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bool bResult = false;
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if (m_mode == BrushMoveMode)
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{
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view->AcceptUndo( "Move Brush" );
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bResult = true;
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}
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else if (m_mode == BrushCreateMode)
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{
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view->AcceptUndo( "Create Brush" );
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bResult = true;
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}
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else if (m_mode == BrushStretchMode)
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{
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view->AcceptUndo( "Sheer Brush(s)" );
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bResult = true;
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}
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if (m_bMouseCaptured)
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{
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view->ReleaseMouse();
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}
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m_mode = BrushNoMode;
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return bResult;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CBrushTool::OnMouseMove( CViewport *view,UINT nFlags, CPoint point )
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{
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if (m_mode == BrushMoveMode)
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{
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// Move brush.
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GetIEditor()->RestoreUndo();
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Vec3 p1 = view->MapViewToCP(m_mouseDownPos);
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Vec3 p2 = view->MapViewToCP(point);
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Vec3 v = view->GetCPVector(p1,p2);
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int coordSys = GetIEditor()->GetReferenceCoordSys();
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GetIEditor()->GetSelection()->Move( v,false, coordSys==COORDS_WORLD );
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return true;
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}
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if (m_mode == BrushCreateMode)
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{
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NewBrush( view,point );
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return true;
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}
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else if (m_mode == BrushStretchMode)
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{
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StretchBrush( view,point );
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return true;
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}
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CBrushTool::MouseCallback( CViewport *view,EMouseEvent event,CPoint &point,int flags )
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{
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bool bProcessed = false;
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if (event == eMouseLDown)
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{
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bProcessed = OnLButtonDown( view,flags,point );
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}
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else if (event == eMouseLUp)
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{
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bProcessed = OnLButtonUp( view,flags,point );
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}
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else if (event == eMouseMove)
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{
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bProcessed = OnMouseMove( view,flags,point );
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}
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// Not processed.
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return bProcessed;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CBrushTool::OnKeyDown( CViewport *view,uint nChar,uint nRepCnt,uint nFlags )
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{
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if (nChar == VK_ESCAPE)
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{
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// Escape clears selection.
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GetIEditor()->ClearSelection();
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return true;
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}
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// Not processed.
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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bool CBrushTool::OnKeyUp( CViewport *view,uint nChar,uint nRepCnt,uint nFlags )
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{
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// Not processed.
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return false;
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}
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//////////////////////////////////////////////////////////////////////////
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void CBrushTool::NewBrush( CViewport *view,CPoint point )
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{
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CRect rc( m_mouseDownPos,point );
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rc.NormalizeRect();
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BBox brushBox;
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brushBox.Reset();
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brushBox.Add( view->MapViewToCP( CPoint(rc.left,rc.top) ) );
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brushBox.Add( view->MapViewToCP( CPoint(rc.right,rc.bottom) ) );
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switch (view->GetType())
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{
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case ET_ViewportXY:
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brushBox.min.z = m_lastBrushBounds.min.z;
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brushBox.max.z = m_lastBrushBounds.max.z;
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break;
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case ET_ViewportXZ:
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brushBox.min.y = m_lastBrushBounds.min.y;
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brushBox.max.y = m_lastBrushBounds.max.y;
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break;
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case ET_ViewportYZ:
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brushBox.min.x = m_lastBrushBounds.min.x;
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brushBox.max.x = m_lastBrushBounds.max.x;
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break;
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default:
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brushBox.min.z = m_lastBrushBounds.min.z;
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brushBox.max.z = m_lastBrushBounds.max.z;
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}
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if (IsVectorsEqual(brushBox.min,brushBox.max))
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return;
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// If width or height or depth are zero.
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if (fabs(brushBox.min.x-brushBox.max.x) < 0.01 ||
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fabs(brushBox.min.y-brushBox.max.y) < 0.01 ||
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fabs(brushBox.min.z-brushBox.max.z) < 0.01)
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return;
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if (IsEquivalent(m_lastBrushBounds.min,brushBox.min,0) && IsEquivalent(m_lastBrushBounds.max,brushBox.max,0))
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return;
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m_lastBrushBounds = brushBox;
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Vec3 center = (brushBox.min + brushBox.max)/2.0f;
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brushBox.min -= center;
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brushBox.max -= center;
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SBrush *brush = new SBrush;
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SMapTexInfo ti;
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brush->Create( brushBox.min,brushBox.max,&ti );
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bool bSolidValid = brush->BuildSolid();
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CBrushObject *brushObj;
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CBaseObject *obj = m_IEditor->GetSelectedObject();
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if (obj && obj->IsKindOf(RUNTIME_CLASS(CBrushObject)))
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{
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brushObj = (CBrushObject*)obj;
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}
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else
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{
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m_IEditor->ClearSelection();
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brushObj = (CBrushObject*)m_IEditor->NewObject( "Brush" );
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m_IEditor->SelectObject( brushObj );
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}
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brushObj->SetPos( center );
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brushObj->SetBrush( brush );
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}
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//////////////////////////////////////////////////////////////////////////
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void CBrushTool::StretchBrush( CViewport* view,CPoint point )
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{
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Vec3 src = view->MapViewToCP(m_mouseDownPos);
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Vec3 trg = view->MapViewToCP(point);
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Vec3 delta = trg - src;
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if (IsEquivalent(delta,Vec3(0,0,0),0))
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return;
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m_mouseDownPos = point;
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Vec3 raySrc,rayDir;
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view->ViewToWorldRay( point,raySrc,rayDir );
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CSelectionGroup *selection = GetIEditor()->GetSelection();
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for (int i = 0; i < selection->GetCount(); i++)
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{
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if (!selection->GetObject(i)->IsKindOf(RUNTIME_CLASS(CBrushObject)))
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continue;
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CBrushObject *brushObj = (CBrushObject*)selection->GetObject(i);
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brushObj->MoveSelectedPoints( delta );
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//SBrush *brush = brushObj->GetBrush();
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//brush->SideSelect(
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}
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view->Invalidate(FALSE);
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}
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//////////////////////////////////////////////////////////////////////////
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void CBrushTool::CalcLastBrushSize()
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{
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bool bSelected = false;
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BBox box;
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box.Reset();
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CSelectionGroup *sel = m_IEditor->GetSelection();
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for (int i = 0; i < sel->GetCount(); i++)
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{
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if (sel->GetObject(i)->GetType() == OBJTYPE_BRUSH)
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{
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BBox local;
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sel->GetObject(i)->GetBoundBox(local);
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box.Add( local.min );
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box.Add( local.max );
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bSelected = true;
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}
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}
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BBox empty;
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empty.Reset();
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if (bSelected)
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{
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if (!IsEquivalent(box.min,empty.min,0) && !IsEquivalent(box.max,empty.max,0))
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{
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m_lastBrushBounds = box;
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}
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}
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}
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