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/**
* @file llviewerjoint.h
* @brief Implementation of LLViewerJoint class
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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
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