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SingularityViewer/indra/newview/llviewerjointattachment.cpp

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C++

/**
* @file llviewerjointattachment.cpp
* @brief Implementation of LLViewerJointAttachment class
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llviewerjointattachment.h"
#include "llagentconstants.h"
#include "llviewercontrol.h"
#include "lldrawable.h"
#include "llgl.h"
#include "llhudtext.h"
#include "llrender.h"
#include "llvoavatarself.h"
#include "llvolume.h"
#include "pipeline.h"
#include "llspatialpartition.h"
#include "llinventorymodel.h"
#include "llviewerobjectlist.h"
#include "llface.h"
#include "llvoavatar.h"
#include "llglheaders.h"
extern LLPipeline gPipeline;
//-----------------------------------------------------------------------------
// LLViewerJointAttachment()
//-----------------------------------------------------------------------------
LLViewerJointAttachment::LLViewerJointAttachment() :
mVisibleInFirst(FALSE),
mGroup(0),
mIsHUDAttachment(FALSE),
mPieSlice(-1)
{
mValid = FALSE;
mUpdateXform = FALSE;
mAttachedObjects.clear();
}
//-----------------------------------------------------------------------------
// ~LLViewerJointAttachment()
//-----------------------------------------------------------------------------
LLViewerJointAttachment::~LLViewerJointAttachment()
{
}
//-----------------------------------------------------------------------------
// isTransparent()
//-----------------------------------------------------------------------------
BOOL LLViewerJointAttachment::isTransparent()
{
return FALSE;
}
//-----------------------------------------------------------------------------
// drawShape()
//-----------------------------------------------------------------------------
U32 LLViewerJointAttachment::drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy )
{
if (LLVOAvatar::sShowAttachmentPoints)
{
LLGLDisable cull_face(GL_CULL_FACE);
gGL.color4f(1.f, 1.f, 1.f, 1.f);
gGL.begin(LLRender::QUADS);
{
gGL.vertex3f(-0.1f, 0.1f, 0.f);
gGL.vertex3f(-0.1f, -0.1f, 0.f);
gGL.vertex3f(0.1f, -0.1f, 0.f);
gGL.vertex3f(0.1f, 0.1f, 0.f);
}gGL.end();
}
return 0;
}
void LLViewerJointAttachment::setupDrawable(LLViewerObject *object)
{
if (!object->mDrawable)
return;
if (object->mDrawable->isActive())
{
object->mDrawable->makeStatic(FALSE);
}
object->mDrawable->mXform.setParent(getXform()); // LLViewerJointAttachment::lazyAttach
object->mDrawable->makeActive();
LLVector3 current_pos = object->getRenderPosition();
LLQuaternion current_rot = object->getRenderRotation();
LLQuaternion attachment_pt_inv_rot = ~(getWorldRotation());
current_pos -= getWorldPosition();
current_pos.rotVec(attachment_pt_inv_rot);
current_rot = current_rot * attachment_pt_inv_rot;
object->mDrawable->mXform.setPosition(current_pos);
object->mDrawable->mXform.setRotation(current_rot);
gPipeline.markMoved(object->mDrawable);
gPipeline.markTextured(object->mDrawable); // face may need to change draw pool to/from POOL_HUD
object->mDrawable->setState(LLDrawable::USE_BACKLIGHT);
if(mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < object->mDrawable->getNumFaces(); face_num++)
{
LLFace *face = object->mDrawable->getFace(face_num);
if (face)
{
face->setState(LLFace::HUD_RENDER);
}
}
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp && childp->mDrawable.notNull())
{
childp->mDrawable->setState(LLDrawable::USE_BACKLIGHT);
gPipeline.markTextured(childp->mDrawable); // face may need to change draw pool to/from POOL_HUD
gPipeline.markMoved(childp->mDrawable);
if(mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < childp->mDrawable->getNumFaces(); face_num++)
{
LLFace * face = childp->mDrawable->getFace(face_num);
if (face)
{
face->setState(LLFace::HUD_RENDER);
}
}
}
}
}
}
//-----------------------------------------------------------------------------
// addObject()
//-----------------------------------------------------------------------------
BOOL LLViewerJointAttachment::addObject(LLViewerObject* object)
{
// object->extractAttachmentItemID();
// Same object reattached
if (isObjectAttached(object))
{
llinfos << "(same object re-attached)" << llendl;
LL_INFOS("Attachment") << object->getID() << " ("<<object->getAttachmentPointName()<<") OBJECT re-attached" << llendl;
removeObject(object);
// Pass through anyway to let setupDrawable()
// re-connect object to the joint correctly
}
// [SL:KB] - Patch: Appearance-Misc | Checked: Catznip-3.0.0a (2011-01-13) | Added: Catznip-2.4.0h
// LLViewerJointAttachment::removeObject() sets the object's item to the NULL UUID so we need to extract it *after* the block above
object->extractAttachmentItemID();
// [/SL:KB]
// Two instances of the same inventory item attached --
// Request detach, and kill the object in the meantime.
if (getAttachedObject(object->getAttachmentItemID()))
{
llinfos << "(same object re-attached)" << llendl;
LL_INFOS("Attachment") << object->getID() << " ("<<object->getAttachmentPointName()<<") ITEM re-attached" << llendl;
object->markDead();
// If this happens to be attached to self, then detach.
LLVOAvatarSelf::detachAttachmentIntoInventory(object->getAttachmentItemID());
return FALSE;
}
mAttachedObjects.push_back(object);
setupDrawable(object);
if (mIsHUDAttachment)
{
if (object->mText.notNull())
{
object->mText->setOnHUDAttachment(TRUE);
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp && childp->mText.notNull())
{
childp->mText->setOnHUDAttachment(TRUE);
}
}
}
calcLOD();
mUpdateXform = TRUE;
return TRUE;
}
//-----------------------------------------------------------------------------
// removeObject()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::removeObject(LLViewerObject *object)
{
attachedobjs_vec_t::iterator iter;
for (iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
LLViewerObject *attached_object = (*iter);
if (attached_object == object)
{
break;
}
}
if (iter == mAttachedObjects.end())
{
llwarns << "Could not find object to detach" << llendl;
return;
}
// force object visibile
setAttachmentVisibility(TRUE);
mAttachedObjects.erase(iter);
if (object->mDrawable.notNull())
{
//if object is active, make it static
if(object->mDrawable->isActive())
{
object->mDrawable->makeStatic(FALSE);
}
LLVector3 cur_position = object->getRenderPosition();
LLQuaternion cur_rotation = object->getRenderRotation();
object->mDrawable->mXform.setPosition(cur_position);
object->mDrawable->mXform.setRotation(cur_rotation);
gPipeline.markMoved(object->mDrawable, TRUE);
gPipeline.markTextured(object->mDrawable); // face may need to change draw pool to/from POOL_HUD
object->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
if (mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < object->mDrawable->getNumFaces(); face_num++)
{
LLFace * face = object->mDrawable->getFace(face_num);
if (face)
{
face->clearState(LLFace::HUD_RENDER);
}
}
}
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp && childp->mDrawable.notNull())
{
childp->mDrawable->clearState(LLDrawable::USE_BACKLIGHT);
gPipeline.markTextured(childp->mDrawable); // face may need to change draw pool to/from POOL_HUD
if (mIsHUDAttachment)
{
for (S32 face_num = 0; face_num < childp->mDrawable->getNumFaces(); face_num++)
{
LLFace * face = childp->mDrawable->getFace(face_num);
if (face)
{
face->clearState(LLFace::HUD_RENDER);
}
}
}
}
}
if (mIsHUDAttachment)
{
if (object->mText.notNull())
{
object->mText->setOnHUDAttachment(FALSE);
}
LLViewerObject::const_child_list_t& child_list = object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
if (childp->mText.notNull())
{
childp->mText->setOnHUDAttachment(FALSE);
}
}
}
if (mAttachedObjects.size() == 0)
{
mUpdateXform = FALSE;
}
object->setAttachmentItemID(LLUUID::null);
}
//-----------------------------------------------------------------------------
// setAttachmentVisibility()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::setAttachmentVisibility(BOOL visible)
{
for (attachedobjs_vec_t::const_iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
LLViewerObject *attached_obj = (*iter);
if (!attached_obj || attached_obj->mDrawable.isNull() ||
!(attached_obj->mDrawable->getSpatialBridge()))
continue;
if (visible)
{
// Hack to make attachments not visible by disabling their type mask!
// This will break if you can ever attach non-volumes! - djs 02/14/03
attached_obj->mDrawable->getSpatialBridge()->mDrawableType =
attached_obj->isHUDAttachment() ? LLPipeline::RENDER_TYPE_HUD : LLPipeline::RENDER_TYPE_VOLUME;
}
else
{
attached_obj->mDrawable->getSpatialBridge()->mDrawableType = 0;
}
}
}
//-----------------------------------------------------------------------------
// setOriginalPosition()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::setOriginalPosition(LLVector3& position)
{
mOriginalPos = position;
setPosition(position);
}
//-----------------------------------------------------------------------------
// clampObjectPosition()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::clampObjectPosition()
{
for (attachedobjs_vec_t::const_iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
if (LLViewerObject *attached_object = (*iter))
{
// *NOTE: object can drift when hitting maximum radius
LLVector3 attachmentPos = attached_object->getPosition();
F32 dist = attachmentPos.normVec();
dist = llmin(dist, MAX_ATTACHMENT_DIST);
attachmentPos *= dist;
attached_object->setPosition(attachmentPos);
}
}
}
//-----------------------------------------------------------------------------
// calcLOD()
//-----------------------------------------------------------------------------
void LLViewerJointAttachment::calcLOD()
{
F32 maxarea = 0;
for (attachedobjs_vec_t::const_iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
if (LLViewerObject *attached_object = (*iter))
{
maxarea = llmax(maxarea,attached_object->getMaxScale() * attached_object->getMidScale());
LLViewerObject::const_child_list_t& child_list = attached_object->getChildren();
for (LLViewerObject::child_list_t::const_iterator iter = child_list.begin();
iter != child_list.end(); ++iter)
{
LLViewerObject* childp = *iter;
F32 area = childp->getMaxScale() * childp->getMidScale();
maxarea = llmax(maxarea, area);
}
}
}
maxarea = llclamp(maxarea, .01f*.01f, 1.f);
F32 avatar_area = (4.f * 4.f); // pixels for an avatar sized attachment
F32 min_pixel_area = avatar_area / maxarea;
setLOD(min_pixel_area);
}
//-----------------------------------------------------------------------------
// updateLOD()
//-----------------------------------------------------------------------------
BOOL LLViewerJointAttachment::updateLOD(F32 pixel_area, BOOL activate)
{
BOOL res = FALSE;
if (!mValid)
{
setValid(TRUE, TRUE);
res = TRUE;
}
return res;
}
BOOL LLViewerJointAttachment::isObjectAttached(const LLViewerObject *viewer_object) const
{
for (attachedobjs_vec_t::const_iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
const LLViewerObject* attached_object = (*iter);
if (attached_object == viewer_object)
{
return TRUE;
}
}
return FALSE;
}
const LLViewerObject *LLViewerJointAttachment::getAttachedObject(const LLUUID &object_id) const
{
for (attachedobjs_vec_t::const_iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
const LLViewerObject* attached_object = (*iter);
if (attached_object->getAttachmentItemID() == object_id)
{
return attached_object;
}
}
return NULL;
}
LLViewerObject *LLViewerJointAttachment::getAttachedObject(const LLUUID &object_id)
{
for (attachedobjs_vec_t::iterator iter = mAttachedObjects.begin();
iter != mAttachedObjects.end();
++iter)
{
LLViewerObject* attached_object = (*iter);
if (attached_object->getAttachmentItemID() == object_id)
{
return attached_object;
}
}
return NULL;
}