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/**
* @file lltoolselectland.cpp
* @brief LLToolSelectLand class implementation
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lltoolselectland.h"
// indra includes
#include "llparcel.h"
// Viewer includes
#include "llviewercontrol.h"
#include "llfloatertools.h"
#include "llselectmgr.h"
#include "llstatusbar.h"
#include "llviewerparcelmgr.h"
#include "llviewerwindow.h"
//
// Member functions
//
LLToolSelectLand::LLToolSelectLand( )
: LLTool( std::string("Parcel") ),
mDragStartGlobal(),
mDragEndGlobal(),
mDragEndValid(FALSE),
mDragStartX(0),
mDragStartY(0),
mDragEndX(0),
mDragEndY(0),
mMouseOutsideSlop(FALSE),
mWestSouthBottom(),
mEastNorthTop()
{ }
LLToolSelectLand::~LLToolSelectLand()
{
}
BOOL LLToolSelectLand::handleMouseDown(S32 x, S32 y, MASK mask)
{
BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &mDragStartGlobal);
if (hit_land)
{
setMouseCapture( TRUE );
mDragStartX = x;
mDragStartY = y;
mDragEndX = x;
mDragEndY = y;
mDragEndValid = TRUE;
mDragEndGlobal = mDragStartGlobal;
sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);
mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
roundXY(mWestSouthBottom);
roundXY(mEastNorthTop);
mMouseOutsideSlop = TRUE; //FALSE;
LLViewerParcelMgr::getInstance()->deselectLand();
}
return hit_land;
}
BOOL LLToolSelectLand::handleDoubleClick(S32 x, S32 y, MASK mask)
{
LLVector3d pos_global;
BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &pos_global);
if (hit_land)
{
// Auto-select this parcel
LLViewerParcelMgr::getInstance()->selectParcelAt( pos_global );
return TRUE;
}
return FALSE;
}
BOOL LLToolSelectLand::handleMouseUp(S32 x, S32 y, MASK mask)
{
if( hasMouseCapture() )
{
setMouseCapture( FALSE );
if (mMouseOutsideSlop && mDragEndValid)
{
// Take the drag start and end locations, then map the southwest
// point down to the next grid location, and the northeast point up
// to the next grid location.
sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);
mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
roundXY(mWestSouthBottom);
roundXY(mEastNorthTop);
// Don't auto-select entire parcel.
mSelection = LLViewerParcelMgr::getInstance()->selectLand( mWestSouthBottom, mEastNorthTop, FALSE );
}
mMouseOutsideSlop = FALSE;
mDragEndValid = FALSE;
return TRUE;
}
return FALSE;
}
BOOL LLToolSelectLand::handleHover(S32 x, S32 y, MASK mask)
{
if( hasMouseCapture() )
{
if (mMouseOutsideSlop || outsideSlop(x, y, mDragStartX, mDragStartY))
{
mMouseOutsideSlop = TRUE;
// Must do this every frame, in case the camera moved or the land moved
// since last frame.
// If doesn't hit land, doesn't change old value
LLVector3d land_global;
BOOL hit_land = gViewerWindow->mousePointOnLandGlobal(x, y, &land_global);
if (hit_land)
{
mDragEndValid = TRUE;
mDragEndGlobal = land_global;
sanitize_corners(mDragStartGlobal, mDragEndGlobal, mWestSouthBottom, mEastNorthTop);
mWestSouthBottom -= LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
mEastNorthTop += LLVector3d( PARCEL_GRID_STEP_METERS/2, PARCEL_GRID_STEP_METERS/2, 0 );
roundXY(mWestSouthBottom);
roundXY(mEastNorthTop);
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectLand (active, land)" << llendl;
gViewerWindow->setCursor(UI_CURSOR_ARROW);
}
else
{
mDragEndValid = FALSE;
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectLand (active, no land)" << llendl;
gViewerWindow->setCursor(UI_CURSOR_NO);
}
mDragEndX = x;
mDragEndY = y;
}
else
{
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectLand (active, in slop)" << llendl;
gViewerWindow->setCursor(UI_CURSOR_ARROW);
}
}
else
{
LL_DEBUGS("UserInput") << "hover handled by LLToolSelectLand (inactive)" << llendl;
gViewerWindow->setCursor(UI_CURSOR_ARROW);
}
return TRUE;
}
void LLToolSelectLand::render()
{
if( hasMouseCapture() && /*mMouseOutsideSlop &&*/ mDragEndValid)
{
LLViewerParcelMgr::getInstance()->renderRect( mWestSouthBottom, mEastNorthTop );
}
}
void LLToolSelectLand::handleSelect()
{
gFloaterTools->setStatusText("selectland");
}
void LLToolSelectLand::handleDeselect()
{
mSelection = NULL;
}
void LLToolSelectLand::roundXY(LLVector3d &vec)
{
vec.mdV[VX] = llround( vec.mdV[VX], (F64)PARCEL_GRID_STEP_METERS );
vec.mdV[VY] = llround( vec.mdV[VY], (F64)PARCEL_GRID_STEP_METERS );
}
// true if x,y outside small box around start_x,start_y
BOOL LLToolSelectLand::outsideSlop(S32 x, S32 y, S32 start_x, S32 start_y)
{
S32 dx = x - start_x;
S32 dy = y - start_y;
return (dx <= -2 || 2 <= dx || dy <= -2 || 2 <= dy);
}
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