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/**
* @file llviewerjoint.h
* @brief Implementation of LLViewerJoint class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, 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"
#include "llapr.h"
class LLFace;
//-----------------------------------------------------------------------------
// 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 ); // 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 );
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 );
public:
static BOOL sDisableLOD;
protected:
BOOL mValid;
U32 mComponents;
F32 mMinPixelArea;
PickName mPickName;
BOOL mVisible;
};
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
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