155 lines
5.5 KiB
C++
155 lines
5.5 KiB
C++
/**
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* @file llflexibleobject.h
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* @author JJ Ventrella, Andrew Meadows, Tom Yedwab
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* @brief Flexible object definition
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*
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* $LicenseInfo:firstyear=2006&license=viewergpl$
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*
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* Copyright (c) 2006-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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/**
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* This is for specifying objects in the world that are animated and
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* rendered locally - on the viewer. Flexible Objects are linear arrays
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* of positions, which stay at a fixed distance from each other. One
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* position is fixed as an "anchor" and is attached to some other object
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* in the world, determined by the server. All the other positions are
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* updated according to local physics.
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*/
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#ifndef LL_LLFLEXIBLEOBJECT_H
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#define LL_LLFLEXIBLEOBJECT_H
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#include "llprimitive.h"
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#include "llvovolume.h"
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#include "llwind.h"
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// 10 ms for the whole thing!
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const F32 FLEXIBLE_OBJECT_TIMESLICE = 0.003f;
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const U32 FLEXIBLE_OBJECT_MAX_LOD = 10;
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// See llprimitive.h for LLFlexibleObjectData and DEFAULT/MIN/MAX values
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//-------------------------------------------------------------------
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struct LLFlexibleObjectSection
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{
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// Input parameters
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LLVector2 mScale;
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LLQuaternion mAxisRotation;
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// Simulated state
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LLVector3 mPosition;
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LLVector3 mVelocity;
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LLVector3 mDirection;
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LLQuaternion mRotation;
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// Derivatives (Not all currently used, will come back with LLVolume changes to automagically generate normals)
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LLVector3 mdPosition;
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//LLMatrix4 mRotScale;
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//LLMatrix4 mdRotScale;
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};
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//---------------------------------------------------------
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// The LLVolumeImplFlexible class
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//---------------------------------------------------------
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class LLVolumeImplFlexible : public LLVolumeInterface
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{
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public:
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LLVolumeImplFlexible(LLViewerObject* volume, LLFlexibleObjectData* attributes);
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// Implements LLVolumeInterface
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U32 getID() const { return mID; }
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LLVector3 getFramePosition() const;
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LLQuaternion getFrameRotation() const;
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LLVolumeInterfaceType getInterfaceType() const { return INTERFACE_FLEXIBLE; }
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void updateRenderRes();
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void doIdleUpdate(LLAgent &agent, LLWorld &world, const F64 &time);
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BOOL doUpdateGeometry(LLDrawable *drawable);
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LLVector3 getPivotPosition() const;
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void onSetVolume(const LLVolumeParams &volume_params, const S32 detail);
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void onSetScale(const LLVector3 &scale, BOOL damped);
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void onParameterChanged(U16 param_type, LLNetworkData *data, BOOL in_use, bool local_origin);
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void onShift(const LLVector4a &shift_vector);
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bool isVolumeUnique() const { return true; }
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bool isVolumeGlobal() const { return true; }
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bool isActive() const { return true; }
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const LLMatrix4& getWorldMatrix(LLXformMatrix* xform) const;
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void updateRelativeXform(bool force_identity);
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void doFlexibleUpdate(); // Called to update the simulation
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void doFlexibleRebuild(); // Called to rebuild the geometry
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void preRebuild();
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//void setAttributes( LLFlexibleObjectData );
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void setParentPositionAndRotationDirectly( LLVector3 p, LLQuaternion r );
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void setUsingCollisionSphere( bool u );
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void setCollisionSphere( LLVector3 position, F32 radius );
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void setRenderingCollisionSphere( bool r);
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LLVector3 getEndPosition();
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LLQuaternion getEndRotation();
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LLVector3 getNodePosition( int nodeIndex );
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LLVector3 getAnchorPosition() const;
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private:
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//--------------------------------------
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// private members
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//--------------------------------------
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// Backlink only; don't make this an LLPointer.
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LLViewerObject* mVO;
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LLTimer mTimer;
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LLVector3 mAnchorPosition;
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LLVector3 mParentPosition;
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LLQuaternion mParentRotation;
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LLQuaternion mLastFrameRotation;
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LLQuaternion mLastSegmentRotation;
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BOOL mInitialized;
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BOOL mUpdated;
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LLFlexibleObjectData* mAttributes;
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LLFlexibleObjectSection mSection [ (1<<FLEXIBLE_OBJECT_MAX_SECTIONS)+1 ];
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S32 mInitializedRes;
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S32 mSimulateRes;
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S32 mRenderRes;
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U32 mFrameNum;
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LLVector3 mCollisionSpherePosition;
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F32 mCollisionSphereRadius;
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U32 mID;
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//--------------------------------------
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// private methods
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//--------------------------------------
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void setAttributesOfAllSections (LLVector3* inScale = NULL);
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void remapSections(LLFlexibleObjectSection *source, S32 source_sections,
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LLFlexibleObjectSection *dest, S32 dest_sections);
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public:
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// Global setting for update rate
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static F32 sUpdateFactor;
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};// end of class definition
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#endif // LL_LLFLEXIBLEOBJECT_H
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