145 lines
4.2 KiB
C++
145 lines
4.2 KiB
C++
/**
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* @file lltoolgrab.h
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* @brief LLToolGrab class header file
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_TOOLGRAB_H
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#define LL_TOOLGRAB_H
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#include "lltool.h"
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#include "v3math.h"
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#include "llquaternion.h"
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#include "llmemory.h"
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#include "lluuid.h"
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#include "llviewerwindow.h" // for LLPickInfo
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class LLView;
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class LLTextBox;
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class LLViewerObject;
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class LLPickInfo;
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// Message utilities
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void send_ObjectGrab_message(LLViewerObject* object, const LLPickInfo & pick, const LLVector3 &grab_offset);
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void send_ObjectDeGrab_message(LLViewerObject* object, const LLPickInfo & pick);
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class LLToolGrab : public LLTool, public LLSingleton<LLToolGrab>
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{
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public:
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LLToolGrab( LLToolComposite* composite = NULL );
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~LLToolGrab();
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/*virtual*/ BOOL handleHover(S32 x, S32 y, MASK mask);
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/*virtual*/ BOOL handleMouseDown(S32 x, S32 y, MASK mask);
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/*virtual*/ BOOL handleMouseUp(S32 x, S32 y, MASK mask);
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/*virtual*/ BOOL handleDoubleClick(S32 x, S32 y, MASK mask);
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/*virtual*/ void render(); // 3D elements
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/*virtual*/ void draw(); // 2D elements
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virtual void handleSelect();
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virtual void handleDeselect();
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virtual LLViewerObject* getEditingObject();
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virtual LLVector3d getEditingPointGlobal();
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virtual BOOL isEditing();
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virtual void stopEditing();
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virtual void onMouseCaptureLost();
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BOOL hasGrabOffset() { return TRUE; } // HACK
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LLVector3 getGrabOffset(S32 x, S32 y); // HACK
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// Capture the mouse and start grabbing.
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BOOL handleObjectHit(const LLPickInfo& info);
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// Certain grabs should not highlight the "Build" toolbar button
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BOOL getHideBuildHighlight() { return mHideBuildHighlight; }
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static void pickCallback(const LLPickInfo& pick_info);
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private:
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LLVector3d getGrabPointGlobal();
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void startGrab();
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void stopGrab();
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void startSpin();
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void stopSpin();
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void handleHoverSpin(S32 x, S32 y, MASK mask);
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void handleHoverActive(S32 x, S32 y, MASK mask);
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void handleHoverNonPhysical(S32 x, S32 y, MASK mask);
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void handleHoverInactive(S32 x, S32 y, MASK mask);
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void handleHoverFailed(S32 x, S32 y, MASK mask);
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private:
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enum EGrabMode { GRAB_INACTIVE, GRAB_ACTIVE_CENTER, GRAB_NONPHYSICAL, GRAB_LOCKED, GRAB_NOOBJECT };
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EGrabMode mMode;
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BOOL mVerticalDragging;
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BOOL mHitLand;
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LLTimer mGrabTimer; // send simulator time between hover movements
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LLVector3 mGrabOffsetFromCenterInitial; // meters from CG of object
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LLVector3d mGrabHiddenOffsetFromCamera; // in cursor hidden drag, how far is grab offset from camera
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LLVector3d mDragStartPointGlobal; // projected into world
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LLVector3d mDragStartFromCamera; // drag start relative to camera
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LLPickInfo mGrabPick;
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S32 mLastMouseX;
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S32 mLastMouseY;
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S32 mAccumDeltaX; // since cursor hidden, how far have you moved?
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S32 mAccumDeltaY;
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BOOL mHasMoved; // has mouse moved off center at all?
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BOOL mOutsideSlop; // has mouse moved outside center 5 pixels?
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BOOL mDeselectedThisClick;
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S32 mLastFace;
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LLVector2 mLastUVCoords;
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LLVector2 mLastSTCoords;
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LLVector3 mLastIntersection;
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LLVector3 mLastNormal;
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LLVector3 mLastBinormal;
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LLVector3 mLastGrabPos;
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BOOL mSpinGrabbing;
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LLQuaternion mSpinRotation;
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BOOL mHideBuildHighlight;
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};
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extern BOOL gGrabBtnVertical;
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extern BOOL gGrabBtnSpin;
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extern LLTool* gGrabTransientTool;
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#endif // LL_TOOLGRAB_H
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