diff options
Diffstat (limited to 'indra/newview/llhudeffectlookat.cpp')
| -rw-r--r-- | indra/newview/llhudeffectlookat.cpp | 1342 |
1 files changed, 671 insertions, 671 deletions
diff --git a/indra/newview/llhudeffectlookat.cpp b/indra/newview/llhudeffectlookat.cpp index 9e538be2cb..c8b7e00776 100644 --- a/indra/newview/llhudeffectlookat.cpp +++ b/indra/newview/llhudeffectlookat.cpp @@ -1,671 +1,671 @@ -/**
- * @file llhudeffectlookat.cpp
- * @brief LLHUDEffectLookAt class implementation
- *
- * $LicenseInfo:firstyear=2002&license=viewerlgpl$
- * 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 "llhudeffectlookat.h"
-
-#include "llrender.h"
-
-#include "message.h"
-#include "llagent.h"
-#include "llagentcamera.h"
-#include "llvoavatar.h"
-#include "lldrawable.h"
-#include "llviewerobjectlist.h"
-#include "llrendersphere.h"
-#include "llselectmgr.h"
-#include "llglheaders.h"
-#include "llxmltree.h"
-
-
-bool LLHUDEffectLookAt::sDebugLookAt = false;
-
-// packet layout
-const S32 SOURCE_AVATAR = 0;
-const S32 TARGET_OBJECT = 16;
-const S32 TARGET_POS = 32;
-const S32 LOOKAT_TYPE = 56;
-const S32 PKT_SIZE = 57;
-
-// throttle
-const F32 MAX_SENDS_PER_SEC = 4.f;
-
-const F32 MIN_DELTAPOS_FOR_UPDATE_SQUARED = 0.05f * 0.05f;
-const F32 MIN_TARGET_OFFSET_SQUARED = 0.0001f;
-
-
-// can't use actual F32_MAX, because we add this to the current frametime
-const F32 MAX_TIMEOUT = F32_MAX / 2.f;
-
-/**
- * Simple data class holding values for a particular type of attention.
- */
-class LLAttention
-{
-public:
- LLAttention()
- : mTimeout(0.f),
- mPriority(0.f)
- {}
- LLAttention(F32 timeout, F32 priority, const std::string& name, LLColor3 color) :
- mTimeout(timeout), mPriority(priority), mName(name), mColor(color)
- {
- }
- F32 mTimeout, mPriority;
- std::string mName;
- LLColor3 mColor;
-};
-
-/**
- * Simple data class holding a list of attentions, one for every type.
- */
-class LLAttentionSet
-{
-public:
- LLAttentionSet(const LLAttention attentions[])
- {
- for(int i=0; i<LOOKAT_NUM_TARGETS; i++)
- {
- mAttentions[i] = attentions[i];
- }
- }
- LLAttention mAttentions[LOOKAT_NUM_TARGETS];
- LLAttention& operator[](int idx) { return mAttentions[idx]; }
-};
-
-// Default attribute set data.
-// Used to initialize the global attribute set objects, one of which will be
-// refered to by the hud object at any given time.
-// Note that the values below are only the default values and that any or all of them
-// can be overwritten with customizing data from the XML file. The actual values below
-// are those that will give exactly the same look-at behavior as before the ability
-// to customize was added. - MG
-static const
- LLAttention
- BOY_ATTS[] = { // default set of masculine attentions
- LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
- LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
- LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
- LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
- LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
- LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
- LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
- LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
- LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
- LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
- LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
- },
- GIRL_ATTS[] = { // default set of feminine attentions
- LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
- LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
- LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
- LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
- LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
- LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
- LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
- LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
- LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
- LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
- LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
- };
-
-static LLAttentionSet
- gBoyAttentions(BOY_ATTS),
- gGirlAttentions(GIRL_ATTS);
-
-
-static bool loadGender(LLXmlTreeNode* gender)
-{
- if( !gender)
- {
- return false;
- }
- std::string str;
- gender->getAttributeString("name", str);
- LLAttentionSet& attentions = (str.compare("Masculine") == 0) ? gBoyAttentions : gGirlAttentions;
- for (LLXmlTreeNode* attention_node = gender->getChildByName( "param" );
- attention_node;
- attention_node = gender->getNextNamedChild())
- {
- attention_node->getAttributeString("attention", str);
- LLAttention* attention;
- if (str == "idle") attention = &attentions[LOOKAT_TARGET_IDLE];
- else if(str == "auto_listen") attention = &attentions[LOOKAT_TARGET_AUTO_LISTEN];
- else if(str == "freelook") attention = &attentions[LOOKAT_TARGET_FREELOOK];
- else if(str == "respond") attention = &attentions[LOOKAT_TARGET_RESPOND];
- else if(str == "hover") attention = &attentions[LOOKAT_TARGET_HOVER];
- else if(str == "conversation") attention = &attentions[LOOKAT_TARGET_CONVERSATION];
- else if(str == "select") attention = &attentions[LOOKAT_TARGET_SELECT];
- else if(str == "focus") attention = &attentions[LOOKAT_TARGET_FOCUS];
- else if(str == "mouselook") attention = &attentions[LOOKAT_TARGET_MOUSELOOK];
- else return false;
-
- F32 priority, timeout;
- attention_node->getAttributeF32("priority", priority);
- attention_node->getAttributeF32("timeout", timeout);
- if(timeout < 0) timeout = MAX_TIMEOUT;
- attention->mPriority = priority;
- attention->mTimeout = timeout;
- }
- return true;
-}
-
-static bool loadAttentions()
-{
- static bool first_time = true;
- if( ! first_time)
- {
- return true; // maybe not ideal but otherwise it can continue to fail forever.
- }
- first_time = false;
-
- std::string filename;
- filename = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,"attentions.xml");
- LLXmlTree xml_tree;
- bool success = xml_tree.parseFile( filename, false );
- if( !success )
- {
- return false;
- }
- LLXmlTreeNode* root = xml_tree.getRoot();
- if( !root )
- {
- return false;
- }
-
- //-------------------------------------------------------------------------
- // <linden_attentions version="1.0"> (root)
- //-------------------------------------------------------------------------
- if( !root->hasName( "linden_attentions" ) )
- {
- LL_WARNS() << "Invalid linden_attentions file header: " << filename << LL_ENDL;
- return false;
- }
-
- std::string version;
- static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
- if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
- {
- LL_WARNS() << "Invalid linden_attentions file version: " << version << LL_ENDL;
- return false;
- }
-
- //-------------------------------------------------------------------------
- // <gender>
- //-------------------------------------------------------------------------
- for (LLXmlTreeNode* child = root->getChildByName( "gender" );
- child;
- child = root->getNextNamedChild())
- {
- if( !loadGender( child ) )
- {
- return false;
- }
- }
-
- return true;
-}
-
-
-
-
-//-----------------------------------------------------------------------------
-// LLHUDEffectLookAt()
-//-----------------------------------------------------------------------------
-LLHUDEffectLookAt::LLHUDEffectLookAt(const U8 type) :
- LLHUDEffect(type),
- mKillTime(0.f),
- mLastSendTime(0.f)
-{
- clearLookAtTarget();
- // parse the default sets
- loadAttentions();
- // initialize current attention set. switches when avatar sex changes.
- mAttentions = &gGirlAttentions;
-}
-
-//-----------------------------------------------------------------------------
-// ~LLHUDEffectLookAt()
-//-----------------------------------------------------------------------------
-LLHUDEffectLookAt::~LLHUDEffectLookAt()
-{
-}
-
-//-----------------------------------------------------------------------------
-// packData()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::packData(LLMessageSystem *mesgsys)
-{
- // Pack the default data
- LLHUDEffect::packData(mesgsys);
-
- // Pack the type-specific data. Uses a fun packed binary format. Whee!
- U8 packed_data[PKT_SIZE];
- memset(packed_data, 0, PKT_SIZE);
-
- if (mSourceObject)
- {
- htolememcpy(&(packed_data[SOURCE_AVATAR]), mSourceObject->mID.mData, MVT_LLUUID, 16);
- }
- else
- {
- htolememcpy(&(packed_data[SOURCE_AVATAR]), LLUUID::null.mData, MVT_LLUUID, 16);
- }
-
- // pack both target object and position
- // position interpreted as offset if target object is non-null
- if (mTargetObject)
- {
- htolememcpy(&(packed_data[TARGET_OBJECT]), mTargetObject->mID.mData, MVT_LLUUID, 16);
- }
- else
- {
- htolememcpy(&(packed_data[TARGET_OBJECT]), LLUUID::null.mData, MVT_LLUUID, 16);
- }
-
- htolememcpy(&(packed_data[TARGET_POS]), mTargetOffsetGlobal.mdV, MVT_LLVector3d, 24);
-
- U8 lookAtTypePacked = (U8)mTargetType;
-
- htolememcpy(&(packed_data[LOOKAT_TYPE]), &lookAtTypePacked, MVT_U8, 1);
-
- mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, PKT_SIZE);
-
- mLastSendTime = mTimer.getElapsedTimeF32();
-}
-
-//-----------------------------------------------------------------------------
-// unpackData()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::unpackData(LLMessageSystem *mesgsys, S32 blocknum)
-{
- LLVector3d new_target;
- U8 packed_data[PKT_SIZE];
-
- LLUUID dataId;
- mesgsys->getUUIDFast(_PREHASH_Effect, _PREHASH_ID, dataId, blocknum);
-
- if (!gAgentCamera.mLookAt.isNull() && dataId == gAgentCamera.mLookAt->getID())
- {
- return;
- }
-
- LLHUDEffect::unpackData(mesgsys, blocknum);
- LLUUID source_id;
- LLUUID target_id;
- S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);
- if (size != PKT_SIZE)
- {
- LL_WARNS() << "LookAt effect with bad size " << size << LL_ENDL;
- return;
- }
- mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, PKT_SIZE, blocknum);
-
- htolememcpy(source_id.mData, &(packed_data[SOURCE_AVATAR]), MVT_LLUUID, 16);
-
- LLViewerObject *objp = gObjectList.findObject(source_id);
- if (objp && objp->isAvatar())
- {
- setSourceObject(objp);
- }
- else
- {
- //LL_WARNS() << "Could not find source avatar for lookat effect" << LL_ENDL;
- return;
- }
-
- htolememcpy(target_id.mData, &(packed_data[TARGET_OBJECT]), MVT_LLUUID, 16);
-
- objp = gObjectList.findObject(target_id);
-
- htolememcpy(new_target.mdV, &(packed_data[TARGET_POS]), MVT_LLVector3d, 24);
-
- if (objp)
- {
- setTargetObjectAndOffset(objp, new_target);
- }
- else if (target_id.isNull())
- {
- setTargetPosGlobal(new_target);
- }
- else
- {
- //LL_WARNS() << "Could not find target object for lookat effect" << LL_ENDL;
- }
-
- U8 lookAtTypeUnpacked = 0;
- htolememcpy(&lookAtTypeUnpacked, &(packed_data[LOOKAT_TYPE]), MVT_U8, 1);
- mTargetType = (ELookAtType)lookAtTypeUnpacked;
-
- if (mTargetType == LOOKAT_TARGET_NONE)
- {
- clearLookAtTarget();
- }
-}
-
-//-----------------------------------------------------------------------------
-// setTargetObjectAndOffset()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset)
-{
- mTargetObject = objp;
- mTargetOffsetGlobal = offset;
-}
-
-//-----------------------------------------------------------------------------
-// setTargetPosGlobal()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::setTargetPosGlobal(const LLVector3d &target_pos_global)
-{
- mTargetObject = NULL;
- mTargetOffsetGlobal = target_pos_global;
-}
-
-//-----------------------------------------------------------------------------
-// setLookAt()
-// called by agent logic to set look at behavior locally, and propagate to sim
-//-----------------------------------------------------------------------------
-bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position)
-{
- if (!mSourceObject)
- {
- return false;
- }
-
- if (target_type >= LOOKAT_NUM_TARGETS)
- {
- LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL;
- return false;
- }
-
- // must be same or higher priority than existing effect
- if ((*mAttentions)[target_type].mPriority < (*mAttentions)[mTargetType].mPriority)
- {
- return false;
- }
-
- F32 current_time = mTimer.getElapsedTimeF32();
-
- // type of lookat behavior or target object has changed
- bool lookAtChanged = (target_type != mTargetType) || (object != mTargetObject);
-
- // lookat position has moved a certain amount and we haven't just sent an update
- lookAtChanged = lookAtChanged || ((dist_vec_squared(position, mLastSentOffsetGlobal) > MIN_DELTAPOS_FOR_UPDATE_SQUARED) &&
- ((current_time - mLastSendTime) > (1.f / MAX_SENDS_PER_SEC)));
-
- if (lookAtChanged)
- {
- mLastSentOffsetGlobal = position;
- F32 timeout = (*mAttentions)[target_type].mTimeout;
- setDuration(timeout);
- setNeedsSendToSim(true);
- }
-
- if (target_type == LOOKAT_TARGET_CLEAR)
- {
- clearLookAtTarget();
- }
- else
- {
- mTargetType = target_type;
- mTargetObject = object;
- if (object)
- {
- mTargetOffsetGlobal.setVec(position);
- }
- else
- {
- mTargetOffsetGlobal = gAgent.getPosGlobalFromAgent(position);
- }
- mKillTime = mTimer.getElapsedTimeF32() + mDuration;
-
- update();
- }
- return true;
-}
-
-//-----------------------------------------------------------------------------
-// clearLookAtTarget()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::clearLookAtTarget()
-{
- mTargetObject = NULL;
- mTargetOffsetGlobal.clearVec();
- mTargetType = LOOKAT_TARGET_NONE;
- if (mSourceObject.notNull())
- {
- ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT);
- }
-}
-
-//-----------------------------------------------------------------------------
-// markDead()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::markDead()
-{
- if (mSourceObject.notNull())
- {
- ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->removeAnimationData("LookAtPoint");
- }
-
- mSourceObject = NULL;
- clearLookAtTarget();
- LLHUDEffect::markDead();
-}
-
-void LLHUDEffectLookAt::setSourceObject(LLViewerObject* objectp)
-{
- // restrict source objects to avatars
- if (objectp && objectp->isAvatar())
- {
- LLHUDEffect::setSourceObject(objectp);
- }
-}
-
-//-----------------------------------------------------------------------------
-// render()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::render()
-{
- if (sDebugLookAt && mSourceObject.notNull())
- {
- gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
-
- //LLGLDisable gls_stencil(GL_STENCIL_TEST);
-
- LLVector3 target = mTargetPos + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->mHeadp->getWorldPosition();
- gGL.matrixMode(LLRender::MM_MODELVIEW);
- gGL.pushMatrix();
- gGL.translatef(target.mV[VX], target.mV[VY], target.mV[VZ]);
- gGL.scalef(0.3f, 0.3f, 0.3f);
- gGL.begin(LLRender::LINES);
- {
- LLColor3 color = (*mAttentions)[mTargetType].mColor;
- gGL.color3f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE]);
- gGL.vertex3f(-1.f, 0.f, 0.f);
- gGL.vertex3f(1.f, 0.f, 0.f);
-
- gGL.vertex3f(0.f, -1.f, 0.f);
- gGL.vertex3f(0.f, 1.f, 0.f);
-
- gGL.vertex3f(0.f, 0.f, -1.f);
- gGL.vertex3f(0.f, 0.f, 1.f);
- } gGL.end();
- gGL.popMatrix();
- }
-}
-
-//-----------------------------------------------------------------------------
-// update()
-//-----------------------------------------------------------------------------
-void LLHUDEffectLookAt::update()
-{
- // If the target object is dead, set the target object to NULL
- if (!mTargetObject.isNull() && mTargetObject->isDead())
- {
- clearLookAtTarget();
- }
-
- // if source avatar is null or dead, mark self as dead and return
- if (mSourceObject.isNull() || mSourceObject->isDead())
- {
- markDead();
- return;
- }
-
- // make sure the proper set of avatar attention are currently being used.
- LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;
- // for now the first cut will just switch on sex. future development could adjust
- // timeouts according to avatar age and/or other features.
- mAttentions = (source_avatar->getSex() == SEX_MALE) ? &gBoyAttentions : &gGirlAttentions;
- //printf("updated to %s\n", (source_avatar->getSex() == SEX_MALE) ? "male" : "female");
-
- F32 time = mTimer.getElapsedTimeF32();
-
- // clear out the effect if time is up
- if (mKillTime != 0.f && time > mKillTime)
- {
- if (mTargetType != LOOKAT_TARGET_NONE)
- {
- clearLookAtTarget();
- // look at timed out (only happens on own avatar), so tell everyone
- setNeedsSendToSim(true);
- }
- }
-
- if (mTargetType != LOOKAT_TARGET_NONE)
- {
- if (calcTargetPosition())
- {
- LLMotion* head_motion = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->findMotion(ANIM_AGENT_HEAD_ROT);
- if (!head_motion || head_motion->isStopped())
- {
- ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->startMotion(ANIM_AGENT_HEAD_ROT);
- }
- }
- }
-
- if (sDebugLookAt)
- {
- ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->addDebugText((*mAttentions)[mTargetType].mName);
- }
-}
-
-/**
- * Initializes the mTargetPos member from the current mSourceObjec and mTargetObject
- * (and possibly mTargetOffsetGlobal).
- * When mTargetObject is another avatar, it sets mTargetPos to be their eyes.
- *
- * Has the side-effect of also calling setAnimationData("LookAtPoint") with the new
- * mTargetPos on the source object which is assumed to be an avatar.
- *
- * Returns whether we successfully calculated a finite target position.
- */
-bool LLHUDEffectLookAt::calcTargetPosition()
-{
- LLViewerObject *target_obj = (LLViewerObject *)mTargetObject;
- LLVector3 local_offset;
-
- if (target_obj)
- {
- local_offset.setVec(mTargetOffsetGlobal);
- }
- else
- {
- local_offset = gAgent.getPosAgentFromGlobal(mTargetOffsetGlobal);
- }
-
- LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject;
- if (!source_avatar->isBuilt())
- return false;
-
- if (target_obj && target_obj->mDrawable.notNull())
- {
- LLQuaternion target_rot;
- if (target_obj->isAvatar())
- {
- LLVOAvatar *target_av = (LLVOAvatar *)target_obj;
-
- bool looking_at_self = source_avatar->isSelf() && target_av->isSelf();
-
- // if selecting self, stare forward
- if (looking_at_self && mTargetOffsetGlobal.magVecSquared() < MIN_TARGET_OFFSET_SQUARED)
- {
- //sets the lookat point in front of the avatar
- mTargetOffsetGlobal.setVec(5.0, 0.0, 0.0);
- local_offset.setVec(mTargetOffsetGlobal);
- }
-
- // look the other avatar in the eye. note: what happens if target is self? -MG
- mTargetPos = target_av->mHeadp->getWorldPosition();
- if (mTargetType == LOOKAT_TARGET_MOUSELOOK || mTargetType == LOOKAT_TARGET_FREELOOK)
- {
- // mouselook and freelook target offsets are absolute
- target_rot = LLQuaternion::DEFAULT;
- }
- else if (looking_at_self && gAgentCamera.cameraCustomizeAvatar())
- {
- // *NOTE: We have to do this because animation
- // overrides do not set lookat behavior.
- // *TODO: animation overrides for lookat behavior.
- target_rot = target_av->mPelvisp->getWorldRotation();
- }
- else
- {
- target_rot = target_av->mRoot->getWorldRotation();
- }
- }
- else // target obj is not an avatar
- {
- if (target_obj->mDrawable->getGeneration() == -1)
- {
- mTargetPos = target_obj->getPositionAgent();
- target_rot = target_obj->getWorldRotation();
- }
- else
- {
- mTargetPos = target_obj->getRenderPosition();
- target_rot = target_obj->getRenderRotation();
- }
- }
-
- mTargetPos += (local_offset * target_rot);
- }
- else // no target obj or it's not drawable
- {
- mTargetPos = local_offset;
- }
-
- mTargetPos -= source_avatar->mHeadp->getWorldPosition();
-
- if (!mTargetPos.isFinite())
- return false;
-
- source_avatar->setAnimationData("LookAtPoint", (void *)&mTargetPos);
-
- return true;
-}
+/** + * @file llhudeffectlookat.cpp + * @brief LLHUDEffectLookAt class implementation + * + * $LicenseInfo:firstyear=2002&license=viewerlgpl$ + * 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 "llhudeffectlookat.h" + +#include "llrender.h" + +#include "message.h" +#include "llagent.h" +#include "llagentcamera.h" +#include "llvoavatar.h" +#include "lldrawable.h" +#include "llviewerobjectlist.h" +#include "llrendersphere.h" +#include "llselectmgr.h" +#include "llglheaders.h" +#include "llxmltree.h" + + +bool LLHUDEffectLookAt::sDebugLookAt = false; + +// packet layout +const S32 SOURCE_AVATAR = 0; +const S32 TARGET_OBJECT = 16; +const S32 TARGET_POS = 32; +const S32 LOOKAT_TYPE = 56; +const S32 PKT_SIZE = 57; + +// throttle +const F32 MAX_SENDS_PER_SEC = 4.f; + +const F32 MIN_DELTAPOS_FOR_UPDATE_SQUARED = 0.05f * 0.05f; +const F32 MIN_TARGET_OFFSET_SQUARED = 0.0001f; + + +// can't use actual F32_MAX, because we add this to the current frametime +const F32 MAX_TIMEOUT = F32_MAX / 2.f; + +/** + * Simple data class holding values for a particular type of attention. + */ +class LLAttention +{ +public: + LLAttention() + : mTimeout(0.f), + mPriority(0.f) + {} + LLAttention(F32 timeout, F32 priority, const std::string& name, LLColor3 color) : + mTimeout(timeout), mPriority(priority), mName(name), mColor(color) + { + } + F32 mTimeout, mPriority; + std::string mName; + LLColor3 mColor; +}; + +/** + * Simple data class holding a list of attentions, one for every type. + */ +class LLAttentionSet +{ +public: + LLAttentionSet(const LLAttention attentions[]) + { + for(int i=0; i<LOOKAT_NUM_TARGETS; i++) + { + mAttentions[i] = attentions[i]; + } + } + LLAttention mAttentions[LOOKAT_NUM_TARGETS]; + LLAttention& operator[](int idx) { return mAttentions[idx]; } +}; + +// Default attribute set data. +// Used to initialize the global attribute set objects, one of which will be +// refered to by the hud object at any given time. +// Note that the values below are only the default values and that any or all of them +// can be overwritten with customizing data from the XML file. The actual values below +// are those that will give exactly the same look-at behavior as before the ability +// to customize was added. - MG +static const + LLAttention + BOY_ATTS[] = { // default set of masculine attentions + LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE + LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE + LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN + LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK + LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND + LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER + LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION + LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT + LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS + LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK + LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR + }, + GIRL_ATTS[] = { // default set of feminine attentions + LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE + LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE + LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN + LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK + LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND + LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER + LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION + LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT + LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS + LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK + LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR + }; + +static LLAttentionSet + gBoyAttentions(BOY_ATTS), + gGirlAttentions(GIRL_ATTS); + + +static bool loadGender(LLXmlTreeNode* gender) +{ + if( !gender) + { + return false; + } + std::string str; + gender->getAttributeString("name", str); + LLAttentionSet& attentions = (str.compare("Masculine") == 0) ? gBoyAttentions : gGirlAttentions; + for (LLXmlTreeNode* attention_node = gender->getChildByName( "param" ); + attention_node; + attention_node = gender->getNextNamedChild()) + { + attention_node->getAttributeString("attention", str); + LLAttention* attention; + if (str == "idle") attention = &attentions[LOOKAT_TARGET_IDLE]; + else if(str == "auto_listen") attention = &attentions[LOOKAT_TARGET_AUTO_LISTEN]; + else if(str == "freelook") attention = &attentions[LOOKAT_TARGET_FREELOOK]; + else if(str == "respond") attention = &attentions[LOOKAT_TARGET_RESPOND]; + else if(str == "hover") attention = &attentions[LOOKAT_TARGET_HOVER]; + else if(str == "conversation") attention = &attentions[LOOKAT_TARGET_CONVERSATION]; + else if(str == "select") attention = &attentions[LOOKAT_TARGET_SELECT]; + else if(str == "focus") attention = &attentions[LOOKAT_TARGET_FOCUS]; + else if(str == "mouselook") attention = &attentions[LOOKAT_TARGET_MOUSELOOK]; + else return false; + + F32 priority, timeout; + attention_node->getAttributeF32("priority", priority); + attention_node->getAttributeF32("timeout", timeout); + if(timeout < 0) timeout = MAX_TIMEOUT; + attention->mPriority = priority; + attention->mTimeout = timeout; + } + return true; +} + +static bool loadAttentions() +{ + static bool first_time = true; + if( ! first_time) + { + return true; // maybe not ideal but otherwise it can continue to fail forever. + } + first_time = false; + + std::string filename; + filename = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,"attentions.xml"); + LLXmlTree xml_tree; + bool success = xml_tree.parseFile( filename, false ); + if( !success ) + { + return false; + } + LLXmlTreeNode* root = xml_tree.getRoot(); + if( !root ) + { + return false; + } + + //------------------------------------------------------------------------- + // <linden_attentions version="1.0"> (root) + //------------------------------------------------------------------------- + if( !root->hasName( "linden_attentions" ) ) + { + LL_WARNS() << "Invalid linden_attentions file header: " << filename << LL_ENDL; + return false; + } + + std::string version; + static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version"); + if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") ) + { + LL_WARNS() << "Invalid linden_attentions file version: " << version << LL_ENDL; + return false; + } + + //------------------------------------------------------------------------- + // <gender> + //------------------------------------------------------------------------- + for (LLXmlTreeNode* child = root->getChildByName( "gender" ); + child; + child = root->getNextNamedChild()) + { + if( !loadGender( child ) ) + { + return false; + } + } + + return true; +} + + + + +//----------------------------------------------------------------------------- +// LLHUDEffectLookAt() +//----------------------------------------------------------------------------- +LLHUDEffectLookAt::LLHUDEffectLookAt(const U8 type) : + LLHUDEffect(type), + mKillTime(0.f), + mLastSendTime(0.f) +{ + clearLookAtTarget(); + // parse the default sets + loadAttentions(); + // initialize current attention set. switches when avatar sex changes. + mAttentions = &gGirlAttentions; +} + +//----------------------------------------------------------------------------- +// ~LLHUDEffectLookAt() +//----------------------------------------------------------------------------- +LLHUDEffectLookAt::~LLHUDEffectLookAt() +{ +} + +//----------------------------------------------------------------------------- +// packData() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::packData(LLMessageSystem *mesgsys) +{ + // Pack the default data + LLHUDEffect::packData(mesgsys); + + // Pack the type-specific data. Uses a fun packed binary format. Whee! + U8 packed_data[PKT_SIZE]; + memset(packed_data, 0, PKT_SIZE); + + if (mSourceObject) + { + htolememcpy(&(packed_data[SOURCE_AVATAR]), mSourceObject->mID.mData, MVT_LLUUID, 16); + } + else + { + htolememcpy(&(packed_data[SOURCE_AVATAR]), LLUUID::null.mData, MVT_LLUUID, 16); + } + + // pack both target object and position + // position interpreted as offset if target object is non-null + if (mTargetObject) + { + htolememcpy(&(packed_data[TARGET_OBJECT]), mTargetObject->mID.mData, MVT_LLUUID, 16); + } + else + { + htolememcpy(&(packed_data[TARGET_OBJECT]), LLUUID::null.mData, MVT_LLUUID, 16); + } + + htolememcpy(&(packed_data[TARGET_POS]), mTargetOffsetGlobal.mdV, MVT_LLVector3d, 24); + + U8 lookAtTypePacked = (U8)mTargetType; + + htolememcpy(&(packed_data[LOOKAT_TYPE]), &lookAtTypePacked, MVT_U8, 1); + + mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, PKT_SIZE); + + mLastSendTime = mTimer.getElapsedTimeF32(); +} + +//----------------------------------------------------------------------------- +// unpackData() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::unpackData(LLMessageSystem *mesgsys, S32 blocknum) +{ + LLVector3d new_target; + U8 packed_data[PKT_SIZE]; + + LLUUID dataId; + mesgsys->getUUIDFast(_PREHASH_Effect, _PREHASH_ID, dataId, blocknum); + + if (!gAgentCamera.mLookAt.isNull() && dataId == gAgentCamera.mLookAt->getID()) + { + return; + } + + LLHUDEffect::unpackData(mesgsys, blocknum); + LLUUID source_id; + LLUUID target_id; + S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData); + if (size != PKT_SIZE) + { + LL_WARNS() << "LookAt effect with bad size " << size << LL_ENDL; + return; + } + mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, PKT_SIZE, blocknum); + + htolememcpy(source_id.mData, &(packed_data[SOURCE_AVATAR]), MVT_LLUUID, 16); + + LLViewerObject *objp = gObjectList.findObject(source_id); + if (objp && objp->isAvatar()) + { + setSourceObject(objp); + } + else + { + //LL_WARNS() << "Could not find source avatar for lookat effect" << LL_ENDL; + return; + } + + htolememcpy(target_id.mData, &(packed_data[TARGET_OBJECT]), MVT_LLUUID, 16); + + objp = gObjectList.findObject(target_id); + + htolememcpy(new_target.mdV, &(packed_data[TARGET_POS]), MVT_LLVector3d, 24); + + if (objp) + { + setTargetObjectAndOffset(objp, new_target); + } + else if (target_id.isNull()) + { + setTargetPosGlobal(new_target); + } + else + { + //LL_WARNS() << "Could not find target object for lookat effect" << LL_ENDL; + } + + U8 lookAtTypeUnpacked = 0; + htolememcpy(&lookAtTypeUnpacked, &(packed_data[LOOKAT_TYPE]), MVT_U8, 1); + mTargetType = (ELookAtType)lookAtTypeUnpacked; + + if (mTargetType == LOOKAT_TARGET_NONE) + { + clearLookAtTarget(); + } +} + +//----------------------------------------------------------------------------- +// setTargetObjectAndOffset() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset) +{ + mTargetObject = objp; + mTargetOffsetGlobal = offset; +} + +//----------------------------------------------------------------------------- +// setTargetPosGlobal() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::setTargetPosGlobal(const LLVector3d &target_pos_global) +{ + mTargetObject = NULL; + mTargetOffsetGlobal = target_pos_global; +} + +//----------------------------------------------------------------------------- +// setLookAt() +// called by agent logic to set look at behavior locally, and propagate to sim +//----------------------------------------------------------------------------- +bool LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position) +{ + if (!mSourceObject) + { + return false; + } + + if (target_type >= LOOKAT_NUM_TARGETS) + { + LL_WARNS() << "Bad target_type " << (int)target_type << " - ignoring." << LL_ENDL; + return false; + } + + // must be same or higher priority than existing effect + if ((*mAttentions)[target_type].mPriority < (*mAttentions)[mTargetType].mPriority) + { + return false; + } + + F32 current_time = mTimer.getElapsedTimeF32(); + + // type of lookat behavior or target object has changed + bool lookAtChanged = (target_type != mTargetType) || (object != mTargetObject); + + // lookat position has moved a certain amount and we haven't just sent an update + lookAtChanged = lookAtChanged || ((dist_vec_squared(position, mLastSentOffsetGlobal) > MIN_DELTAPOS_FOR_UPDATE_SQUARED) && + ((current_time - mLastSendTime) > (1.f / MAX_SENDS_PER_SEC))); + + if (lookAtChanged) + { + mLastSentOffsetGlobal = position; + F32 timeout = (*mAttentions)[target_type].mTimeout; + setDuration(timeout); + setNeedsSendToSim(true); + } + + if (target_type == LOOKAT_TARGET_CLEAR) + { + clearLookAtTarget(); + } + else + { + mTargetType = target_type; + mTargetObject = object; + if (object) + { + mTargetOffsetGlobal.setVec(position); + } + else + { + mTargetOffsetGlobal = gAgent.getPosGlobalFromAgent(position); + } + mKillTime = mTimer.getElapsedTimeF32() + mDuration; + + update(); + } + return true; +} + +//----------------------------------------------------------------------------- +// clearLookAtTarget() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::clearLookAtTarget() +{ + mTargetObject = NULL; + mTargetOffsetGlobal.clearVec(); + mTargetType = LOOKAT_TARGET_NONE; + if (mSourceObject.notNull()) + { + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT); + } +} + +//----------------------------------------------------------------------------- +// markDead() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::markDead() +{ + if (mSourceObject.notNull()) + { + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->removeAnimationData("LookAtPoint"); + } + + mSourceObject = NULL; + clearLookAtTarget(); + LLHUDEffect::markDead(); +} + +void LLHUDEffectLookAt::setSourceObject(LLViewerObject* objectp) +{ + // restrict source objects to avatars + if (objectp && objectp->isAvatar()) + { + LLHUDEffect::setSourceObject(objectp); + } +} + +//----------------------------------------------------------------------------- +// render() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::render() +{ + if (sDebugLookAt && mSourceObject.notNull()) + { + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + + //LLGLDisable gls_stencil(GL_STENCIL_TEST); + + LLVector3 target = mTargetPos + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->mHeadp->getWorldPosition(); + gGL.matrixMode(LLRender::MM_MODELVIEW); + gGL.pushMatrix(); + gGL.translatef(target.mV[VX], target.mV[VY], target.mV[VZ]); + gGL.scalef(0.3f, 0.3f, 0.3f); + gGL.begin(LLRender::LINES); + { + LLColor3 color = (*mAttentions)[mTargetType].mColor; + gGL.color3f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE]); + gGL.vertex3f(-1.f, 0.f, 0.f); + gGL.vertex3f(1.f, 0.f, 0.f); + + gGL.vertex3f(0.f, -1.f, 0.f); + gGL.vertex3f(0.f, 1.f, 0.f); + + gGL.vertex3f(0.f, 0.f, -1.f); + gGL.vertex3f(0.f, 0.f, 1.f); + } gGL.end(); + gGL.popMatrix(); + } +} + +//----------------------------------------------------------------------------- +// update() +//----------------------------------------------------------------------------- +void LLHUDEffectLookAt::update() +{ + // If the target object is dead, set the target object to NULL + if (!mTargetObject.isNull() && mTargetObject->isDead()) + { + clearLookAtTarget(); + } + + // if source avatar is null or dead, mark self as dead and return + if (mSourceObject.isNull() || mSourceObject->isDead()) + { + markDead(); + return; + } + + // make sure the proper set of avatar attention are currently being used. + LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject; + // for now the first cut will just switch on sex. future development could adjust + // timeouts according to avatar age and/or other features. + mAttentions = (source_avatar->getSex() == SEX_MALE) ? &gBoyAttentions : &gGirlAttentions; + //printf("updated to %s\n", (source_avatar->getSex() == SEX_MALE) ? "male" : "female"); + + F32 time = mTimer.getElapsedTimeF32(); + + // clear out the effect if time is up + if (mKillTime != 0.f && time > mKillTime) + { + if (mTargetType != LOOKAT_TARGET_NONE) + { + clearLookAtTarget(); + // look at timed out (only happens on own avatar), so tell everyone + setNeedsSendToSim(true); + } + } + + if (mTargetType != LOOKAT_TARGET_NONE) + { + if (calcTargetPosition()) + { + LLMotion* head_motion = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->findMotion(ANIM_AGENT_HEAD_ROT); + if (!head_motion || head_motion->isStopped()) + { + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->startMotion(ANIM_AGENT_HEAD_ROT); + } + } + } + + if (sDebugLookAt) + { + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->addDebugText((*mAttentions)[mTargetType].mName); + } +} + +/** + * Initializes the mTargetPos member from the current mSourceObjec and mTargetObject + * (and possibly mTargetOffsetGlobal). + * When mTargetObject is another avatar, it sets mTargetPos to be their eyes. + * + * Has the side-effect of also calling setAnimationData("LookAtPoint") with the new + * mTargetPos on the source object which is assumed to be an avatar. + * + * Returns whether we successfully calculated a finite target position. + */ +bool LLHUDEffectLookAt::calcTargetPosition() +{ + LLViewerObject *target_obj = (LLViewerObject *)mTargetObject; + LLVector3 local_offset; + + if (target_obj) + { + local_offset.setVec(mTargetOffsetGlobal); + } + else + { + local_offset = gAgent.getPosAgentFromGlobal(mTargetOffsetGlobal); + } + + LLVOAvatar* source_avatar = (LLVOAvatar*)(LLViewerObject*)mSourceObject; + if (!source_avatar->isBuilt()) + return false; + + if (target_obj && target_obj->mDrawable.notNull()) + { + LLQuaternion target_rot; + if (target_obj->isAvatar()) + { + LLVOAvatar *target_av = (LLVOAvatar *)target_obj; + + bool looking_at_self = source_avatar->isSelf() && target_av->isSelf(); + + // if selecting self, stare forward + if (looking_at_self && mTargetOffsetGlobal.magVecSquared() < MIN_TARGET_OFFSET_SQUARED) + { + //sets the lookat point in front of the avatar + mTargetOffsetGlobal.setVec(5.0, 0.0, 0.0); + local_offset.setVec(mTargetOffsetGlobal); + } + + // look the other avatar in the eye. note: what happens if target is self? -MG + mTargetPos = target_av->mHeadp->getWorldPosition(); + if (mTargetType == LOOKAT_TARGET_MOUSELOOK || mTargetType == LOOKAT_TARGET_FREELOOK) + { + // mouselook and freelook target offsets are absolute + target_rot = LLQuaternion::DEFAULT; + } + else if (looking_at_self && gAgentCamera.cameraCustomizeAvatar()) + { + // *NOTE: We have to do this because animation + // overrides do not set lookat behavior. + // *TODO: animation overrides for lookat behavior. + target_rot = target_av->mPelvisp->getWorldRotation(); + } + else + { + target_rot = target_av->mRoot->getWorldRotation(); + } + } + else // target obj is not an avatar + { + if (target_obj->mDrawable->getGeneration() == -1) + { + mTargetPos = target_obj->getPositionAgent(); + target_rot = target_obj->getWorldRotation(); + } + else + { + mTargetPos = target_obj->getRenderPosition(); + target_rot = target_obj->getRenderRotation(); + } + } + + mTargetPos += (local_offset * target_rot); + } + else // no target obj or it's not drawable + { + mTargetPos = local_offset; + } + + mTargetPos -= source_avatar->mHeadp->getWorldPosition(); + + if (!mTargetPos.isFinite()) + return false; + + source_avatar->setAnimationData("LookAtPoint", (void *)&mTargetPos); + + return true; +} |