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/**
* @file lltoolbrush.h
* @brief toolbrush class header file
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLTOOLBRUSH_H
#define LL_LLTOOLBRUSH_H
#include "lltool.h"
#include "v3math.h"
#include "lleditmenuhandler.h"
class LLSurface;
class LLVector3d;
class LLViewerRegion;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLToolBrushLand
//
// A toolbrush that modifies the land.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLToolBrushLand : public LLTool, public LLEditMenuHandler, public LLSingleton<LLToolBrushLand>
{
typedef std::set<LLViewerRegion*> region_list_t;
public:
LLToolBrushLand();
// x,y in window coords, 0,0 = left,bot
virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
virtual BOOL handleMouseUp( S32 x, S32 y, MASK mask );
virtual BOOL handleHover( S32 x, S32 y, MASK mask );
virtual void handleSelect();
virtual void handleDeselect();
// isAlwaysRendered() - return true if this is a tool that should
// always be rendered regardless of selection.
virtual BOOL isAlwaysRendered() { return TRUE; }
// Draw the area that will be affected.
virtual void render();
// on Idle is where the land modification actually occurs
static void onIdle(void* brush_tool);
void onMouseCaptureLost();
void modifyLandInSelectionGlobal();
virtual void undo();
virtual BOOL canUndo() const { return TRUE; }
protected:
void brush( void );
void modifyLandAtPointGlobal( const LLVector3d &spot, MASK mask );
void determineAffectedRegions(region_list_t& regions,
const LLVector3d& spot) const;
void renderOverlay(LLSurface& land, const LLVector3& pos_region,
const LLVector3& pos_world);
// Does region allow terraform, or are we a god?
bool canTerraform(LLViewerRegion* regionp) const;
// Modal dialog that you can't terraform the region
void alertNoTerraform(LLViewerRegion* regionp);
// Modal dialog that you can't terraform in frozen mode
void alertNoTerraformWhileFrozen();
protected:
F32 mStartingZ;
S32 mMouseX;
S32 mMouseY;
F32 mBrushSize;
BOOL mGotHover;
BOOL mBrushSelected;
// Order doesn't matter and we do check for existance of regions, so use a set
region_list_t mLastAffectedRegions;
private:
U8 getBrushIndex();
};
#endif // LL_LLTOOLBRUSH_H
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