Second Life viewer sources 1.13.2.12

1 files changed, 626 insertions, 0 deletions

diff --git a/linden/indra/newview/llviewerjoint.cpp b/linden/indra/newview/llviewerjoint.cpp
new file mode 100644
index 0000000..f8fed01
--- /dev/null
+++ b/linden/indra/newview/llviewerjoint.cpp
@@ -0,0 +1,626 @@
+/** 
+ * @file llviewerjoint.cpp
+ * @brief Implementation of LLViewerJoint class
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
+ */
+
+//-----------------------------------------------------------------------------
+// Header Files
+//-----------------------------------------------------------------------------
+#include "llviewerprecompiledheaders.h"
+
+#include "llviewerjoint.h"
+
+#include "llgl.h"
+#include "llmath.h"
+#include "llglheaders.h"
+#include "llsphere.h"
+#include "llvoavatar.h"
+#include "pipeline.h"
+
+#define DEFAULT_LOD 0.0f
+
+const S32 MIN_PIXEL_AREA_3PASS_HAIR = 64*64;
+
+//-----------------------------------------------------------------------------
+// Static Data
+//-----------------------------------------------------------------------------
+BOOL                                    LLViewerJoint::sDisableLOD = FALSE;
+
+//-----------------------------------------------------------------------------
+// LLViewerJoint()
+// Class Constructor
+//-----------------------------------------------------------------------------
+LLViewerJoint::LLViewerJoint()
+{
+        mUpdateXform = TRUE;
+        mValid = FALSE;
+        mComponents = SC_JOINT | SC_BONE | SC_AXES;
+        mMinPixelArea = DEFAULT_LOD;
+        mPickName = PN_DEFAULT;
+        mVisible = TRUE;
+}
+
+
+//-----------------------------------------------------------------------------
+// LLViewerJoint()
+// Class Constructor
+//-----------------------------------------------------------------------------
+LLViewerJoint::LLViewerJoint(const std::string &name, LLJoint *parent) :
+        LLJoint(name, parent)
+{
+        mValid = FALSE;
+        mComponents = SC_JOINT | SC_BONE | SC_AXES;
+        mMinPixelArea = DEFAULT_LOD;
+        mPickName = PN_DEFAULT;
+}
+
+
+//-----------------------------------------------------------------------------
+// ~LLViewerJoint()
+// Class Destructor
+//-----------------------------------------------------------------------------
+LLViewerJoint::~LLViewerJoint()
+{
+}
+
+
+//--------------------------------------------------------------------
+// setValid()
+//--------------------------------------------------------------------
+void LLViewerJoint::setValid( BOOL valid, BOOL recursive )
+{
+        //----------------------------------------------------------------
+        // set visibility for this joint
+        //----------------------------------------------------------------
+        mValid = valid;
+        
+        //----------------------------------------------------------------
+        // set visibility for children
+        //----------------------------------------------------------------
+        if (recursive)
+        {
+                for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                                joint != NULL;
+                                joint = (LLViewerJoint*)mChildren.getNextData() )
+                {
+                        joint->setValid(valid, TRUE);
+                }
+        }
+
+}
+
+//--------------------------------------------------------------------
+// renderSkeleton()
+//--------------------------------------------------------------------
+void LLViewerJoint::renderSkeleton(BOOL recursive)
+{
+        F32 nc = 0.57735f;
+
+        //----------------------------------------------------------------
+        // push matrix stack
+        //----------------------------------------------------------------
+        glPushMatrix();
+
+        //----------------------------------------------------------------
+        // render the bone to my parent
+        //----------------------------------------------------------------
+        if (mComponents & SC_BONE)
+        {
+                drawBone();
+        }
+
+        //----------------------------------------------------------------
+        // offset to joint position and 
+        // rotate to our orientation
+        //----------------------------------------------------------------
+        glLoadIdentity();
+        glMultMatrixf( &getWorldMatrix().mMatrix[0][0] );
+
+        //----------------------------------------------------------------
+        // render joint axes
+        //----------------------------------------------------------------
+        if (mComponents & SC_AXES)
+        {
+                glBegin(GL_LINES);
+                glColor3f( 1.0f, 0.0f, 0.0f );
+                glVertex3f( 0.0f,            0.0f, 0.0f );
+                glVertex3f( 0.1f, 0.0f, 0.0f );
+
+                glColor3f( 0.0f, 1.0f, 0.0f );
+                glVertex3f( 0.0f, 0.0f,            0.0f );
+                glVertex3f( 0.0f, 0.1f, 0.0f );
+
+                glColor3f( 0.0f, 0.0f, 1.0f );
+                glVertex3f( 0.0f, 0.0f, 0.0f );
+                glVertex3f( 0.0f, 0.0f, 0.1f );
+                glEnd();
+        }
+
+        //----------------------------------------------------------------
+        // render the joint graphic
+        //----------------------------------------------------------------
+        if (mComponents & SC_JOINT)
+        {
+                glColor3f( 1.0f, 1.0f, 0.0f );
+
+                glBegin(GL_TRIANGLES);
+
+                // joint top half
+                glNormal3f(nc, nc, nc);
+                glVertex3f(0.0f,             0.0f, 0.05f);
+                glVertex3f(0.05f,       0.0f,       0.0f);
+                glVertex3f(0.0f,       0.05f,       0.0f);
+
+                glNormal3f(-nc, nc, nc);
+                glVertex3f(0.0f,             0.0f, 0.05f);
+                glVertex3f(0.0f,       0.05f,       0.0f);
+                glVertex3f(-0.05f,      0.0f,       0.0f);
+                
+                glNormal3f(-nc, -nc, nc);
+                glVertex3f(0.0f,             0.0f, 0.05f);
+                glVertex3f(-0.05f,      0.0f,      0.0f);
+                glVertex3f(0.0f,      -0.05f,      0.0f);
+
+                glNormal3f(nc, -nc, nc);
+                glVertex3f(0.0f,              0.0f, 0.05f);
+                glVertex3f(0.0f,       -0.05f,       0.0f);
+                glVertex3f(0.05f,        0.0f,       0.0f);
+                
+                // joint bottom half
+                glNormal3f(nc, nc, -nc);
+                glVertex3f(0.0f,             0.0f, -0.05f);
+                glVertex3f(0.0f,       0.05f,        0.0f);
+                glVertex3f(0.05f,       0.0f,        0.0f);
+
+                glNormal3f(-nc, nc, -nc);
+                glVertex3f(0.0f,             0.0f, -0.05f);
+                glVertex3f(-0.05f,      0.0f,        0.0f);
+                glVertex3f(0.0f,       0.05f,        0.0f);
+                
+                glNormal3f(-nc, -nc, -nc);
+                glVertex3f(0.0f,              0.0f, -0.05f);
+                glVertex3f(0.0f,       -0.05f,        0.0f);
+                glVertex3f(-0.05f,       0.0f,        0.0f);
+
+                glNormal3f(nc, -nc, -nc);
+                glVertex3f(0.0f,             0.0f,  -0.05f);
+                glVertex3f(0.05f,       0.0f,         0.0f);
+                glVertex3f(0.0f,      -0.05f,         0.0f);
+                
+                glEnd();
+        }
+
+        //----------------------------------------------------------------
+        // render children
+        //----------------------------------------------------------------
+        if (recursive)
+        {
+                for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                                joint != NULL;
+                                joint = (LLViewerJoint*)mChildren.getNextData() )
+                {
+                        joint->renderSkeleton();
+                }
+        }
+
+        //----------------------------------------------------------------
+        // pop matrix stack
+        //----------------------------------------------------------------
+        glPopMatrix();
+}
+
+
+//--------------------------------------------------------------------
+// render()
+//--------------------------------------------------------------------
+U32 LLViewerJoint::render( F32 pixelArea )
+{
+        U32 triangle_count = 0;
+
+        //----------------------------------------------------------------
+        // ignore invisible objects
+        //----------------------------------------------------------------
+        if ( mValid )
+        {
+
+                //----------------------------------------------------------------
+                // if object is transparent, defer it, otherwise
+                // give the joint subclass a chance to draw itself
+                //----------------------------------------------------------------
+                if ( gRenderForSelect )
+                {
+                        triangle_count += drawShape( pixelArea );
+                }
+                else if ( isTransparent() )
+                {
+                        LLGLEnable blend(GL_BLEND);
+                        // Hair and Skirt
+                        if ((pixelArea > MIN_PIXEL_AREA_3PASS_HAIR))
+                        {
+                                // render all three passes
+                                LLGLEnable alpha_test(GL_ALPHA_TEST);
+                                LLGLDisable cull(GL_CULL_FACE);
+                                // first pass renders without writing to the z buffer
+                                {
+                                        LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+                                        triangle_count += drawShape( pixelArea );
+                                }
+                                // second pass writes to z buffer only
+                                glColorMask(FALSE, FALSE, FALSE, FALSE);
+                                {
+                                        triangle_count += drawShape( pixelArea );
+                                }
+                                // third past respects z buffer and writes color
+                                glColorMask(TRUE, TRUE, TRUE, TRUE);
+                                {
+                                        LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+                                        triangle_count += drawShape( pixelArea );
+                                }
+                        }
+                        else
+                        {
+                                LLGLEnable alpha_test(GL_ALPHA_TEST);
+                                // Render Inside (no Z buffer write)
+                                glCullFace(GL_FRONT);
+                                {
+                                        LLGLDepthTest gls_depth(GL_TRUE, GL_FALSE);
+                                        triangle_count += drawShape( pixelArea );
+                                }
+                                // Render Outside (write to the Z buffer)
+                                glCullFace(GL_BACK);
+                                {
+                                        triangle_count += drawShape( pixelArea );
+                                }
+                        }
+                }
+                else
+                {
+                        // set up render state
+                        LLGLDisable blend(GL_BLEND);
+                        LLGLSPipelineAvatar gls_pipeline_avatar;
+                        triangle_count += drawShape( pixelArea );
+                }
+        }
+
+        //----------------------------------------------------------------
+        // render children
+        //----------------------------------------------------------------
+        LLViewerJoint *joint;
+        for (   joint = (LLViewerJoint *)mChildren.getFirstData();
+                        joint != NULL;
+                        joint = (LLViewerJoint *)mChildren.getNextData() )
+        {
+                F32 jointLOD = joint->getLOD();
+                if (pixelArea >= jointLOD || sDisableLOD)
+                {
+                        triangle_count += joint->render( pixelArea );
+
+                        if (jointLOD != DEFAULT_LOD)
+                        {
+                                break;
+                        }
+                }
+        }
+
+        glColorMask(TRUE, TRUE, TRUE, TRUE);
+        return triangle_count;
+}
+
+
+//--------------------------------------------------------------------
+// drawBone()
+//--------------------------------------------------------------------
+void LLViewerJoint::drawBone()
+{
+        if ( mParent == NULL )
+                return;
+
+        F32 boneSize = 0.02f;
+
+        // rotate to point to child (bone direction)
+        glPushMatrix();
+
+        LLVector3 boneX = getPosition();
+        F32 length = boneX.normVec();
+
+        LLVector3 boneZ(1.0f, 0.0f, 1.0f);
+        
+        LLVector3 boneY = boneZ % boneX;
+        boneY.normVec();
+
+        boneZ = boneX % boneY;
+
+        LLMatrix4 rotateMat;
+        rotateMat.setFwdRow( boneX );
+        rotateMat.setLeftRow( boneY );
+        rotateMat.setUpRow( boneZ );
+        glMultMatrixf( &rotateMat.mMatrix[0][0] );
+
+        // render the bone
+        glColor3f( 0.5f, 0.5f, 0.0f );
+
+        glBegin(GL_TRIANGLES);
+
+        glVertex3f( length,     0.0f,       0.0f);
+        glVertex3f( 0.0f,       boneSize,  0.0f);
+        glVertex3f( 0.0f,       0.0f,       boneSize);
+
+        glVertex3f( length,     0.0f,        0.0f);
+        glVertex3f( 0.0f,       0.0f,        -boneSize);
+        glVertex3f( 0.0f,       boneSize,   0.0f);
+
+        glVertex3f( length,     0.0f,        0.0f);
+        glVertex3f( 0.0f,       -boneSize,  0.0f);
+        glVertex3f( 0.0f,       0.0f,        -boneSize);
+
+        glVertex3f( length,     0.0f,        0.0f);
+        glVertex3f( 0.0f,       0.0f,        boneSize);
+        glVertex3f( 0.0f,       -boneSize,  0.0f);
+
+        glEnd();
+
+        // restore matrix
+        glPopMatrix();
+}
+
+//--------------------------------------------------------------------
+// isTransparent()
+//--------------------------------------------------------------------
+BOOL LLViewerJoint::isTransparent()
+{
+        return FALSE;
+}
+
+//--------------------------------------------------------------------
+// drawShape()
+//--------------------------------------------------------------------
+U32 LLViewerJoint::drawShape( F32 pixelArea )
+{
+        return 0;
+}
+
+//--------------------------------------------------------------------
+// setSkeletonComponents()
+//--------------------------------------------------------------------
+void LLViewerJoint::setSkeletonComponents( U32 comp, BOOL recursive )
+{
+        mComponents = comp;
+        if (recursive)
+        {
+                for (   LLViewerJoint *joint = (LLViewerJoint *)mChildren.getFirstData();
+                                joint != NULL;
+                                joint = (LLViewerJoint *)mChildren.getNextData() )
+                {
+                        joint->setSkeletonComponents(comp, recursive);
+                }
+        }
+}
+
+void LLViewerJoint::updateFaceSizes(U32 &num_vertices, F32 pixel_area)
+{
+        for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                        joint != NULL;
+                        joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                F32 jointLOD = joint->getLOD();
+                if (pixel_area >= jointLOD || sDisableLOD)
+                {
+                        joint->updateFaceSizes(num_vertices, pixel_area);
+
+                        if (jointLOD != DEFAULT_LOD)
+                        {
+                                break;
+                        }
+                }
+        }
+}
+
+void LLViewerJoint::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_wind)
+{
+        for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                        joint != NULL;
+                        joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                F32 jointLOD = joint->getLOD();
+                if (pixel_area >= jointLOD || sDisableLOD)
+                {
+                        joint->updateFaceData(face, pixel_area, damp_wind);
+
+                        if (jointLOD != DEFAULT_LOD)
+                        {
+                                break;
+                        }
+                }
+        }
+}
+
+
+BOOL LLViewerJoint::updateLOD(F32 pixel_area, BOOL activate)
+{
+        BOOL lod_changed = FALSE;
+        BOOL found_lod = FALSE;
+
+        for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                        joint != NULL;
+                        joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                F32 jointLOD = joint->getLOD();
+
+                if (found_lod || jointLOD == DEFAULT_LOD)
+                {
+                        // we've already found a joint to enable, so enable the rest as alternatives
+                        lod_changed |= joint->updateLOD(pixel_area, TRUE);
+                }
+                else
+                {
+                        if (pixel_area >= jointLOD || sDisableLOD)
+                        {
+                                lod_changed |= joint->updateLOD(pixel_area, TRUE);
+                                found_lod = TRUE;
+                        }
+                        else
+                        {
+                                lod_changed |= joint->updateLOD(pixel_area, FALSE);
+                        }
+                }
+        }
+        return lod_changed;
+}
+
+void LLViewerJoint::dump()
+{
+        for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                        joint != NULL;
+                        joint = (LLViewerJoint*)mChildren.getNextData() )
+                {
+                        joint->dump();
+                }
+}
+
+void LLViewerJoint::setVisible(BOOL visible, BOOL recursive)
+{
+        mVisible = visible;
+
+        if (recursive)
+        {
+                for (   LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                                joint != NULL;
+                                joint = (LLViewerJoint*)mChildren.getNextData() )
+                        {
+                                joint->setVisible(visible, recursive);
+                        }
+        }
+}
+
+void LLViewerJoint::writeCAL3D(apr_file_t* fp)
+{
+        LLVector3 bone_pos = mXform.getPosition();
+        if (mParent)
+        {
+                bone_pos.scaleVec(mParent->getScale());
+                bone_pos *= 100.f;
+        }
+        else
+        {
+                bone_pos.clearVec();
+        }
+        
+        LLQuaternion bone_rot;
+
+        S32 num_children = 0;
+        for (LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                joint != NULL;
+                joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                if (joint->mJointNum != -1)
+                {
+                        num_children++;
+                }
+        }
+
+        LLJoint* cur_joint = this;
+        LLVector3 rootSkinOffset;
+        if (mParent)
+        {
+                while (cur_joint)
+                {
+                        rootSkinOffset -= cur_joint->getSkinOffset();
+                        cur_joint = (LLViewerJoint*)cur_joint->getParent();
+                }
+
+                rootSkinOffset *= 100.f;
+        }
+
+        apr_file_printf(fp, "   <BONE ID=\"%d\" NAME=\"%s\" NUMCHILDS=\"%d\">\n", mJointNum + 1, mName.c_str(), num_children);
+        apr_file_printf(fp, "           <TRANSLATION>%.6f %.6f %.6f</TRANSLATION>\n", bone_pos.mV[VX], bone_pos.mV[VY], bone_pos.mV[VZ]);
+        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]);
+        apr_file_printf(fp, "           <LOCALTRANSLATION>%.6f %.6f %.6f</LOCALTRANSLATION>\n", rootSkinOffset.mV[VX], rootSkinOffset.mV[VY], rootSkinOffset.mV[VZ]);
+        apr_file_printf(fp, "           <LOCALROTATION>0 0 0 1</LOCALROTATION>\n");
+        apr_file_printf(fp, "           <PARENTID>%d</PARENTID>\n", mParent ? mParent->mJointNum + 1 : -1);
+        
+        for (LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                joint != NULL;
+                joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                if (joint->mJointNum != -1)
+                {
+                        apr_file_printf(fp, "           <CHILDID>%d</CHILDID>\n", joint->mJointNum + 1);
+                }
+        }
+        apr_file_printf(fp, "   </BONE>\n");
+
+        // recurse
+        for (LLViewerJoint *joint = (LLViewerJoint*)mChildren.getFirstData();
+                joint != NULL;
+                joint = (LLViewerJoint*)mChildren.getNextData() )
+        {
+                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