612 lines
16 KiB
C++
612 lines
16 KiB
C++
/**
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* @file llviewerjoint.cpp
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* @brief Implementation of LLViewerJoint class
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*
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* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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//-----------------------------------------------------------------------------
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// Header Files
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//-----------------------------------------------------------------------------
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#include "llviewerprecompiledheaders.h"
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#include "llviewerjoint.h"
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#include "llgl.h"
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#include "llmath.h"
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#include "llglheaders.h"
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#include "llsphere.h"
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#include "llvoavatar.h"
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#include "pipeline.h"
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#define DEFAULT_LOD 0.0f
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const S32 MIN_PIXEL_AREA_3PASS_HAIR = 64*64;
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//-----------------------------------------------------------------------------
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// Static Data
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//-----------------------------------------------------------------------------
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BOOL LLViewerJoint::sDisableLOD = FALSE;
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//-----------------------------------------------------------------------------
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// LLViewerJoint()
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// Class Constructor
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//-----------------------------------------------------------------------------
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LLViewerJoint::LLViewerJoint()
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{
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mUpdateXform = TRUE;
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mValid = FALSE;
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mComponents = SC_JOINT | SC_BONE | SC_AXES;
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mMinPixelArea = DEFAULT_LOD;
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mPickName = PN_DEFAULT;
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mVisible = TRUE;
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}
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//-----------------------------------------------------------------------------
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// LLViewerJoint()
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// Class Constructor
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//-----------------------------------------------------------------------------
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LLViewerJoint::LLViewerJoint(const std::string &name, LLJoint *parent) :
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LLJoint(name, parent)
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{
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mValid = FALSE;
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mComponents = SC_JOINT | SC_BONE | SC_AXES;
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mMinPixelArea = DEFAULT_LOD;
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mPickName = PN_DEFAULT;
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}
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//-----------------------------------------------------------------------------
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// ~LLViewerJoint()
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// Class Destructor
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//-----------------------------------------------------------------------------
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LLViewerJoint::~LLViewerJoint()
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{
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}
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//--------------------------------------------------------------------
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// setValid()
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//--------------------------------------------------------------------
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void LLViewerJoint::setValid( BOOL valid, BOOL recursive )
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{
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//----------------------------------------------------------------
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// set visibility for this joint
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//----------------------------------------------------------------
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mValid = valid;
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//----------------------------------------------------------------
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// set visibility for children
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//----------------------------------------------------------------
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if (recursive)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->setValid(valid, TRUE);
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}
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}
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}
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//--------------------------------------------------------------------
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// renderSkeleton()
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//--------------------------------------------------------------------
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void LLViewerJoint::renderSkeleton(BOOL recursive)
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{
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F32 nc = 0.57735f;
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//----------------------------------------------------------------
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// push matrix stack
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//----------------------------------------------------------------
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glPushMatrix();
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//----------------------------------------------------------------
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// render the bone to my parent
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//----------------------------------------------------------------
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if (mComponents & SC_BONE)
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{
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drawBone();
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}
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//----------------------------------------------------------------
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// offset to joint position and
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// rotate to our orientation
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//----------------------------------------------------------------
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glLoadIdentity();
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glMultMatrixf( &getWorldMatrix().mMatrix[0][0] );
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//----------------------------------------------------------------
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// render joint axes
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//----------------------------------------------------------------
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if (mComponents & SC_AXES)
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{
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glBegin(GL_LINES);
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glColor3f( 1.0f, 0.0f, 0.0f );
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glVertex3f( 0.0f, 0.0f, 0.0f );
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glVertex3f( 0.1f, 0.0f, 0.0f );
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glColor3f( 0.0f, 1.0f, 0.0f );
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glVertex3f( 0.0f, 0.0f, 0.0f );
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glVertex3f( 0.0f, 0.1f, 0.0f );
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glColor3f( 0.0f, 0.0f, 1.0f );
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glVertex3f( 0.0f, 0.0f, 0.0f );
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glVertex3f( 0.0f, 0.0f, 0.1f );
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glEnd();
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}
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//----------------------------------------------------------------
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// render the joint graphic
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//----------------------------------------------------------------
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if (mComponents & SC_JOINT)
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{
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glColor3f( 1.0f, 1.0f, 0.0f );
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glBegin(GL_TRIANGLES);
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// joint top half
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glNormal3f(nc, nc, nc);
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glVertex3f(0.0f, 0.0f, 0.05f);
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glVertex3f(0.05f, 0.0f, 0.0f);
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glVertex3f(0.0f, 0.05f, 0.0f);
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glNormal3f(-nc, nc, nc);
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glVertex3f(0.0f, 0.0f, 0.05f);
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glVertex3f(0.0f, 0.05f, 0.0f);
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glVertex3f(-0.05f, 0.0f, 0.0f);
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glNormal3f(-nc, -nc, nc);
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glVertex3f(0.0f, 0.0f, 0.05f);
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glVertex3f(-0.05f, 0.0f, 0.0f);
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glVertex3f(0.0f, -0.05f, 0.0f);
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glNormal3f(nc, -nc, nc);
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glVertex3f(0.0f, 0.0f, 0.05f);
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glVertex3f(0.0f, -0.05f, 0.0f);
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glVertex3f(0.05f, 0.0f, 0.0f);
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// joint bottom half
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glNormal3f(nc, nc, -nc);
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glVertex3f(0.0f, 0.0f, -0.05f);
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glVertex3f(0.0f, 0.05f, 0.0f);
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glVertex3f(0.05f, 0.0f, 0.0f);
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glNormal3f(-nc, nc, -nc);
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glVertex3f(0.0f, 0.0f, -0.05f);
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glVertex3f(-0.05f, 0.0f, 0.0f);
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glVertex3f(0.0f, 0.05f, 0.0f);
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glNormal3f(-nc, -nc, -nc);
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glVertex3f(0.0f, 0.0f, -0.05f);
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glVertex3f(0.0f, -0.05f, 0.0f);
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glVertex3f(-0.05f, 0.0f, 0.0f);
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glNormal3f(nc, -nc, -nc);
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glVertex3f(0.0f, 0.0f, -0.05f);
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glVertex3f(0.05f, 0.0f, 0.0f);
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glVertex3f(0.0f, -0.05f, 0.0f);
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glEnd();
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}
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//----------------------------------------------------------------
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// render children
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//----------------------------------------------------------------
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if (recursive)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->renderSkeleton();
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}
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}
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//----------------------------------------------------------------
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// pop matrix stack
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//----------------------------------------------------------------
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glPopMatrix();
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}
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//--------------------------------------------------------------------
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// render()
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//--------------------------------------------------------------------
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U32 LLViewerJoint::render( F32 pixelArea, BOOL first_pass )
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{
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U32 triangle_count = 0;
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//----------------------------------------------------------------
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// ignore invisible objects
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//----------------------------------------------------------------
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if ( mValid )
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{
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//----------------------------------------------------------------
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// if object is transparent, defer it, otherwise
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// give the joint subclass a chance to draw itself
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//----------------------------------------------------------------
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if ( gRenderForSelect )
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{
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triangle_count += drawShape( pixelArea, first_pass );
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}
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else if ( isTransparent() )
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{
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// Hair and Skirt
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if ((pixelArea > MIN_PIXEL_AREA_3PASS_HAIR))
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{
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// render all three passes
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LLGLDisable cull(GL_CULL_FACE);
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// first pass renders without writing to the z buffer
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, first_pass);
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}
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// second pass writes to z buffer only
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glColorMask(FALSE, FALSE, FALSE, FALSE);
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{
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triangle_count += drawShape( pixelArea, FALSE );
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}
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// third past respects z buffer and writes color
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glColorMask(TRUE, TRUE, TRUE, FALSE);
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, FALSE );
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}
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}
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else
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{
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// Render Inside (no Z buffer write)
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glCullFace(GL_FRONT);
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{
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LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
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triangle_count += drawShape( pixelArea, first_pass );
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}
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// Render Outside (write to the Z buffer)
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glCullFace(GL_BACK);
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{
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triangle_count += drawShape( pixelArea, FALSE );
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}
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}
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}
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else
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{
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// set up render state
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triangle_count += drawShape( pixelArea, first_pass );
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}
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}
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//----------------------------------------------------------------
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// render children
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//----------------------------------------------------------------
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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F32 jointLOD = joint->getLOD();
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if (pixelArea >= jointLOD || sDisableLOD)
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{
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triangle_count += joint->render( pixelArea );
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if (jointLOD != DEFAULT_LOD)
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{
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break;
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}
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}
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}
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return triangle_count;
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}
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//--------------------------------------------------------------------
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// drawBone()
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//--------------------------------------------------------------------
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void LLViewerJoint::drawBone()
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{
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if ( mParent == NULL )
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return;
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F32 boneSize = 0.02f;
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// rotate to point to child (bone direction)
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glPushMatrix();
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LLVector3 boneX = getPosition();
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F32 length = boneX.normVec();
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LLVector3 boneZ(1.0f, 0.0f, 1.0f);
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LLVector3 boneY = boneZ % boneX;
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boneY.normVec();
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boneZ = boneX % boneY;
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LLMatrix4 rotateMat;
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rotateMat.setFwdRow( boneX );
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rotateMat.setLeftRow( boneY );
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rotateMat.setUpRow( boneZ );
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glMultMatrixf( &rotateMat.mMatrix[0][0] );
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// render the bone
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glColor3f( 0.5f, 0.5f, 0.0f );
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glBegin(GL_TRIANGLES);
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glVertex3f( length, 0.0f, 0.0f);
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glVertex3f( 0.0f, boneSize, 0.0f);
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glVertex3f( 0.0f, 0.0f, boneSize);
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glVertex3f( length, 0.0f, 0.0f);
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glVertex3f( 0.0f, 0.0f, -boneSize);
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glVertex3f( 0.0f, boneSize, 0.0f);
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glVertex3f( length, 0.0f, 0.0f);
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glVertex3f( 0.0f, -boneSize, 0.0f);
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glVertex3f( 0.0f, 0.0f, -boneSize);
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glVertex3f( length, 0.0f, 0.0f);
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glVertex3f( 0.0f, 0.0f, boneSize);
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glVertex3f( 0.0f, -boneSize, 0.0f);
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glEnd();
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// restore matrix
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glPopMatrix();
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}
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//--------------------------------------------------------------------
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// isTransparent()
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//--------------------------------------------------------------------
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BOOL LLViewerJoint::isTransparent()
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{
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return FALSE;
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}
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//--------------------------------------------------------------------
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// drawShape()
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//--------------------------------------------------------------------
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U32 LLViewerJoint::drawShape( F32 pixelArea, BOOL first_pass )
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{
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return 0;
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}
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//--------------------------------------------------------------------
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// setSkeletonComponents()
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//--------------------------------------------------------------------
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void LLViewerJoint::setSkeletonComponents( U32 comp, BOOL recursive )
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{
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mComponents = comp;
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if (recursive)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->setSkeletonComponents(comp, recursive);
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}
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}
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}
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void LLViewerJoint::updateFaceSizes(U32 &num_vertices, U32& num_indices, F32 pixel_area)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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//F32 jointLOD = joint->getLOD();
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//if (pixel_area >= jointLOD || sDisableLOD)
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{
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joint->updateFaceSizes(num_vertices, num_indices, pixel_area);
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// if (jointLOD != DEFAULT_LOD)
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// {
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// break;
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// }
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}
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}
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}
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void LLViewerJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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//F32 jointLOD = joint->getLOD();
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//if (pixel_area >= jointLOD || sDisableLOD)
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{
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joint->updateFaceData(face, pixel_area, damp_wind);
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// if (jointLOD != DEFAULT_LOD)
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// {
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// break;
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// }
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}
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}
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}
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void LLViewerJoint::updateGeometry()
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->updateGeometry();
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}
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}
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BOOL LLViewerJoint::updateLOD(F32 pixel_area, BOOL activate)
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{
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BOOL lod_changed = FALSE;
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BOOL found_lod = FALSE;
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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F32 jointLOD = joint->getLOD();
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if (found_lod || jointLOD == DEFAULT_LOD)
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{
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// we've already found a joint to enable, so enable the rest as alternatives
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lod_changed |= joint->updateLOD(pixel_area, TRUE);
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}
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else
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{
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if (pixel_area >= jointLOD || sDisableLOD)
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{
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lod_changed |= joint->updateLOD(pixel_area, TRUE);
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found_lod = TRUE;
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}
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else
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{
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lod_changed |= joint->updateLOD(pixel_area, FALSE);
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}
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}
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}
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return lod_changed;
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}
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void LLViewerJoint::dump()
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->dump();
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}
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}
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void LLViewerJoint::setVisible(BOOL visible, BOOL recursive)
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{
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mVisible = visible;
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if (recursive)
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{
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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joint->setVisible(visible, recursive);
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}
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}
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}
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void LLViewerJoint::writeCAL3D(apr_file_t* fp)
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{
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LLVector3 bone_pos = mXform.getPosition();
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if (mParent)
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{
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bone_pos.scaleVec(mParent->getScale());
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bone_pos *= 100.f;
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}
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else
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{
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bone_pos.clearVec();
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}
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LLQuaternion bone_rot;
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S32 num_children = 0;
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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if (joint->mJointNum != -1)
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{
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num_children++;
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}
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}
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LLJoint* cur_joint = this;
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LLVector3 rootSkinOffset;
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if (mParent)
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{
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while (cur_joint)
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{
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rootSkinOffset -= cur_joint->getSkinOffset();
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cur_joint = (LLViewerJoint*)cur_joint->getParent();
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}
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rootSkinOffset *= 100.f;
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}
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apr_file_printf(fp, " <BONE ID=\"%d\" NAME=\"%s\" NUMCHILDS=\"%d\">\n", mJointNum + 1, mName.c_str(), num_children);
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apr_file_printf(fp, " <TRANSLATION>%.6f %.6f %.6f</TRANSLATION>\n", bone_pos.mV[VX], bone_pos.mV[VY], bone_pos.mV[VZ]);
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apr_file_printf(fp, " <ROTATION>%.6f %.6f %.6f %.6f</ROTATION>\n", bone_rot.mQ[VX], bone_rot.mQ[VY], bone_rot.mQ[VZ], bone_rot.mQ[VW]);
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apr_file_printf(fp, " <LOCALTRANSLATION>%.6f %.6f %.6f</LOCALTRANSLATION>\n", rootSkinOffset.mV[VX], rootSkinOffset.mV[VY], rootSkinOffset.mV[VZ]);
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apr_file_printf(fp, " <LOCALROTATION>0 0 0 1</LOCALROTATION>\n");
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apr_file_printf(fp, " <PARENTID>%d</PARENTID>\n", mParent ? mParent->mJointNum + 1 : -1);
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for (child_list_t::iterator iter = mChildren.begin();
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iter != mChildren.end(); ++iter)
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{
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LLViewerJoint* joint = (LLViewerJoint*)(*iter);
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if (joint->mJointNum != -1)
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{
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apr_file_printf(fp, " <CHILDID>%d</CHILDID>\n", joint->mJointNum + 1);
|
|
}
|
|
}
|
|
apr_file_printf(fp, " </BONE>\n");
|
|
|
|
// recurse
|
|
for (child_list_t::iterator iter = mChildren.begin();
|
|
iter != mChildren.end(); ++iter)
|
|
{
|
|
LLViewerJoint* joint = (LLViewerJoint*)(*iter);
|
|
if (joint->mJointNum != -1)
|
|
{
|
|
joint->writeCAL3D(fp);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// LLViewerJointCollisionVolume()
|
|
//-----------------------------------------------------------------------------
|
|
|
|
LLViewerJointCollisionVolume::LLViewerJointCollisionVolume()
|
|
{
|
|
mUpdateXform = FALSE;
|
|
}
|
|
|
|
LLViewerJointCollisionVolume::LLViewerJointCollisionVolume(const std::string &name, LLJoint *parent) : LLViewerJoint(name, parent)
|
|
{
|
|
|
|
}
|
|
|
|
void LLViewerJointCollisionVolume::render()
|
|
{
|
|
updateWorldMatrix();
|
|
glMatrixMode(GL_MODELVIEW);
|
|
glPushMatrix();
|
|
glMultMatrixf( &mXform.getWorldMatrix().mMatrix[0][0] );
|
|
|
|
glColor3f( 0.f, 0.f, 1.f );
|
|
gSphere.render();
|
|
|
|
glPopMatrix();
|
|
}
|
|
|
|
LLVector3 LLViewerJointCollisionVolume::getVolumePos(LLVector3 &offset)
|
|
{
|
|
mUpdateXform = TRUE;
|
|
|
|
LLVector3 result = offset;
|
|
result.scaleVec(getScale());
|
|
result.rotVec(getWorldRotation());
|
|
result += getWorldPosition();
|
|
|
|
return result;
|
|
}
|
|
|
|
// End
|