llviewerjoint.h
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- /**
- * @file llviewerjoint.h
- * @brief Implementation of LLViewerJoint class
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- *
- * Copyright (c) 2001-2010, 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.
- * $/LicenseInfo$
- */
- #ifndef LL_LLVIEWERJOINT_H
- #define LL_LLVIEWERJOINT_H
- //-----------------------------------------------------------------------------
- // Header Files
- //-----------------------------------------------------------------------------
- #include "lljoint.h"
- class LLFace;
- class LLViewerJointMesh;
- //-----------------------------------------------------------------------------
- // class LLViewerJoint
- //-----------------------------------------------------------------------------
- class LLViewerJoint :
- public LLJoint
- {
- public:
- LLViewerJoint();
- LLViewerJoint(const std::string &name, LLJoint *parent = NULL);
- virtual ~LLViewerJoint();
- // Gets the validity of this joint
- BOOL getValid() { return mValid; }
- // Sets the validity of this joint
- virtual void setValid( BOOL valid, BOOL recursive=FALSE );
- // Primarily for debugging and character setup
- // Derived classes may add text/graphic output.
- // Draw skeleton graphic for debugging and character setup
- void renderSkeleton(BOOL recursive=TRUE); // debug only (unused)
- // Draws a bone graphic to the parent joint.
- // Derived classes may add text/graphic output.
- // Called by renderSkeleton().
- void drawBone(); // debug only (unused)
- // Render character hierarchy.
- // Traverses the entire joint hierarchy, setting up
- // transforms and calling the drawShape().
- // Derived classes may add text/graphic output.
- virtual U32 render( F32 pixelArea, BOOL first_pass = TRUE, BOOL is_dummy = FALSE ); // Returns triangle count
- // Returns true if this object is transparent.
- // This is used to determine in which order to draw objects.
- virtual BOOL isTransparent();
- // Returns true if this object should inherit scale modifiers from its immediate parent
- virtual BOOL inheritScale() { return FALSE; }
- // Draws the shape attached to a joint.
- // Called by render().
- virtual U32 drawShape( F32 pixelArea, BOOL first_pass = TRUE, BOOL is_dummy = FALSE );
- virtual void drawNormals() {}
- enum Components
- {
- SC_BONE = 1,
- SC_JOINT = 2,
- SC_AXES = 4
- };
- // Selects which skeleton components to draw
- void setSkeletonComponents( U32 comp, BOOL recursive = TRUE );
- // Returns which skeleton components are enables for drawing
- U32 getSkeletonComponents() { return mComponents; }
- // Sets the level of detail for this node as a minimum
- // pixel area threshold. If the current pixel area for this
- // object is less than the specified threshold, the node is
- // not traversed. In addition, if a value is specified (not
- // default of 0.0), and the pixel area is larger than the
- // specified minimum, the node is rendered, but no other siblings
- // of this node under the same parent will be.
- F32 getLOD() { return mMinPixelArea; }
- void setLOD( F32 pixelArea ) { mMinPixelArea = pixelArea; }
-
- // Sets the OpenGL selection stack name that is pushed and popped
- // with this joint state. The default value indicates that no name
- // should be pushed/popped.
- enum PickName
- {
- PN_DEFAULT = -1,
- PN_0 = 0,
- PN_1 = 1,
- PN_2 = 2,
- PN_3 = 3,
- PN_4 = 4,
- PN_5 = 5
- };
- void setPickName(PickName name) { mPickName = name; }
- PickName getPickName() { return mPickName; }
- virtual void updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area);
- virtual void updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind = FALSE);
- virtual BOOL updateLOD(F32 pixel_area, BOOL activate);
- virtual void updateJointGeometry();
- virtual void dump();
- void setVisible( BOOL visible, BOOL recursive );
- // Takes meshes in mMeshParts and sets each one as a child joint
- void setMeshesToChildren();
- public:
- static BOOL sDisableLOD;
- std::vector<LLViewerJointMesh*> mMeshParts;
- void setMeshID( S32 id ) {mMeshID = id;}
- protected:
- void init();
- BOOL mValid;
- U32 mComponents;
- F32 mMinPixelArea;
- PickName mPickName;
- BOOL mVisible;
- S32 mMeshID;
- };
- class LLViewerJointCollisionVolume : public LLViewerJoint
- {
- public:
- LLViewerJointCollisionVolume();
- LLViewerJointCollisionVolume(const std::string &name, LLJoint *parent = NULL);
- virtual ~LLViewerJointCollisionVolume() {};
- virtual BOOL inheritScale() { return TRUE; }
- void renderCollision();
- LLVector3 getVolumePos(LLVector3 &offset);
- };
- #endif // LL_LLVIEWERJOINT_H