Imported existing code

indra/newview/lltoolselectland.cpp

@@ -0,0 +1,242 @@
+/** 
+ * @file lltoolselectland.cpp
+ * @brief LLToolSelectLand class implementation
+ *
+ * $LicenseInfo:firstyear=2002&license=viewergpl$
+ * 
+ * Copyright (c) 2002-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "lltoolselectland.h"
+
+// indra includes
+#include "llparcel.h"
+
+// Viewer includes
+#include "llagent.h"
+#include "llviewercontrol.h"
+#include "llfloatertools.h"
+#include "llselectmgr.h"
+#include "llstatusbar.h"
+#include "lltoolview.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);
+
+				lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, land)" << llendl;
+				gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROW);
+			}
+			else
+			{
+				mDragEndValid = FALSE;
+				lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, no land)" << llendl;
+				gViewerWindow->getWindow()->setCursor(UI_CURSOR_NO);
+			}
+
+			mDragEndX = x;
+			mDragEndY = y;
+		}
+		else
+		{
+			lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (active, in slop)" << llendl;
+			gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROW);
+		}
+	}
+	else
+	{
+		lldebugst(LLERR_USER_INPUT) << "hover handled by LLToolSelectLand (inactive)" << llendl;		
+		gViewerWindow->getWindow()->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);
+}