731 lines
22 KiB
C++
731 lines
22 KiB
C++
/**
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* @file llhudeffectlookat.cpp
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* @brief LLHUDEffectLookAt class implementation
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*
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* $LicenseInfo:firstyear=2002&license=viewergpl$
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*
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* Copyright (c) 2002-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "llviewerprecompiledheaders.h"
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#include "llhudeffectlookat.h"
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#include "llrender.h"
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#include "message.h"
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#include "llagent.h"
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#include "llagentcamera.h"
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#include "llvoavatarself.h"
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#include "lldrawable.h"
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#include "llviewerobjectlist.h"
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#include "llrendersphere.h"
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#include "llselectmgr.h"
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#include "llglheaders.h"
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#include "llxmltree.h"
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// <edit>
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#include "llresmgr.h"
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#include "llhudrender.h"
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#include "llviewerwindow.h"
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#include "llviewercontrol.h"
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// </edit>
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// packet layout
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const S32 SOURCE_AVATAR = 0;
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const S32 TARGET_OBJECT = 16;
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const S32 TARGET_POS = 32;
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const S32 LOOKAT_TYPE = 56;
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const S32 PKT_SIZE = 57;
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// throttle
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const F32 MAX_SENDS_PER_SEC = 4.f;
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const F32 MIN_DELTAPOS_FOR_UPDATE_SQUARED = 0.05f * 0.05f;
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const F32 MIN_TARGET_OFFSET_SQUARED = 0.0001f;
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// can't use actual F32_MAX, because we add this to the current frametime
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const F32 MAX_TIMEOUT = F32_MAX / 2.f;
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/**
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* Simple data class holding values for a particular type of attention.
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*/
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class LLAttention
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{
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public:
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LLAttention()
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: mTimeout(0.f),
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mPriority(0.f)
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{}
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LLAttention(F32 timeout, F32 priority, const std::string& name, LLColor3 color) :
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mTimeout(timeout), mPriority(priority), mName(name), mColor(color)
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{
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}
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F32 mTimeout, mPriority;
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std::string mName;
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LLColor3 mColor;
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};
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/**
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* Simple data class holding a list of attentions, one for every type.
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*/
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class LLAttentionSet
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{
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public:
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LLAttentionSet(const LLAttention attentions[])
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{
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for(int i=0; i<LOOKAT_NUM_TARGETS; i++)
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{
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mAttentions[i] = attentions[i];
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}
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}
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LLAttention mAttentions[LOOKAT_NUM_TARGETS];
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LLAttention& operator[](int idx) { return mAttentions[idx]; }
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};
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// Default attribute set data.
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// Used to initialize the global attribute set objects, one of which will be
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// refered to by the hud object at any given time.
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// Note that the values below are only the default values and that any or all of them
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// can be overwritten with customizing data from the XML file. The actual values below
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// are those that will give exactly the same look-at behavior as before the ability
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// to customize was added. - MG
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static const
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LLAttention
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BOY_ATTS[] = { // default set of masculine attentions
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LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
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LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
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LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
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LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
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LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
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LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
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LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
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LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
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LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
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LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
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LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
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},
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GIRL_ATTS[] = { // default set of feminine attentions
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LLAttention(MAX_TIMEOUT, 0, "None", LLColor3(0.3f, 0.3f, 0.3f)), // LOOKAT_TARGET_NONE
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LLAttention(3.f, 1, "Idle", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_IDLE
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LLAttention(4.f, 3, "AutoListen", LLColor3(0.5f, 0.5f, 0.5f)), // LOOKAT_TARGET_AUTO_LISTEN
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LLAttention(2.f, 2, "FreeLook", LLColor3(0.5f, 0.5f, 0.9f)), // LOOKAT_TARGET_FREELOOK
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LLAttention(4.f, 3, "Respond", LLColor3(0.0f, 0.0f, 0.0f)), // LOOKAT_TARGET_RESPOND
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LLAttention(1.f, 4, "Hover", LLColor3(0.5f, 0.9f, 0.5f)), // LOOKAT_TARGET_HOVER
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LLAttention(MAX_TIMEOUT, 0, "Conversation", LLColor3(0.1f, 0.1f, 0.5f)), // LOOKAT_TARGET_CONVERSATION
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LLAttention(MAX_TIMEOUT, 6, "Select", LLColor3(0.9f, 0.5f, 0.5f)), // LOOKAT_TARGET_SELECT
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LLAttention(MAX_TIMEOUT, 6, "Focus", LLColor3(0.9f, 0.5f, 0.9f)), // LOOKAT_TARGET_FOCUS
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LLAttention(MAX_TIMEOUT, 7, "Mouselook", LLColor3(0.9f, 0.9f, 0.5f)), // LOOKAT_TARGET_MOUSELOOK
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LLAttention(0.f, 8, "Clear", LLColor3(1.0f, 1.0f, 1.0f)), // LOOKAT_TARGET_CLEAR
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};
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static LLAttentionSet
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gBoyAttentions(BOY_ATTS),
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gGirlAttentions(GIRL_ATTS);
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static BOOL loadGender(LLXmlTreeNode* gender)
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{
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if( !gender)
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{
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return FALSE;
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}
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std::string str;
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gender->getAttributeString("name", str);
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LLAttentionSet& attentions = (str.compare("Masculine") == 0) ? gBoyAttentions : gGirlAttentions;
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for (LLXmlTreeNode* attention_node = gender->getChildByName( "param" );
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attention_node;
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attention_node = gender->getNextNamedChild())
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{
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attention_node->getAttributeString("attention", str);
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LLAttention* attention;
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if (str == "idle") attention = &attentions[LOOKAT_TARGET_IDLE];
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else if(str == "auto_listen") attention = &attentions[LOOKAT_TARGET_AUTO_LISTEN];
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else if(str == "freelook") attention = &attentions[LOOKAT_TARGET_FREELOOK];
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else if(str == "respond") attention = &attentions[LOOKAT_TARGET_RESPOND];
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else if(str == "hover") attention = &attentions[LOOKAT_TARGET_HOVER];
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else if(str == "conversation") attention = &attentions[LOOKAT_TARGET_CONVERSATION];
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else if(str == "select") attention = &attentions[LOOKAT_TARGET_SELECT];
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else if(str == "focus") attention = &attentions[LOOKAT_TARGET_FOCUS];
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else if(str == "mouselook") attention = &attentions[LOOKAT_TARGET_MOUSELOOK];
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else return FALSE;
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F32 priority, timeout;
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attention_node->getAttributeF32("priority", priority);
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attention_node->getAttributeF32("timeout", timeout);
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if(timeout < 0) timeout = MAX_TIMEOUT;
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attention->mPriority = priority;
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attention->mTimeout = timeout;
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}
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return TRUE;
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}
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static BOOL loadAttentions()
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{
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static BOOL first_time = TRUE;
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if( ! first_time)
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{
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return TRUE; // maybe not ideal but otherwise it can continue to fail forever.
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}
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first_time = FALSE;
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std::string filename;
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filename = gDirUtilp->getExpandedFilename(LL_PATH_CHARACTER,"attentions.xml");
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LLXmlTree xml_tree;
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BOOL success = xml_tree.parseFile( filename, FALSE );
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if( !success )
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{
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return FALSE;
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}
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LLXmlTreeNode* root = xml_tree.getRoot();
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if( !root )
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{
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return FALSE;
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}
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//-------------------------------------------------------------------------
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// <linden_attentions version="1.0"> (root)
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//-------------------------------------------------------------------------
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if( !root->hasName( "linden_attentions" ) )
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{
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llwarns << "Invalid linden_attentions file header: " << filename << llendl;
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return FALSE;
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}
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std::string version;
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static LLStdStringHandle version_string = LLXmlTree::addAttributeString("version");
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if( !root->getFastAttributeString( version_string, version ) || (version != "1.0") )
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{
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llwarns << "Invalid linden_attentions file version: " << version << llendl;
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return FALSE;
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}
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//-------------------------------------------------------------------------
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// <gender>
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//-------------------------------------------------------------------------
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for (LLXmlTreeNode* child = root->getChildByName( "gender" );
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child;
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child = root->getNextNamedChild())
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{
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if( !loadGender( child ) )
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{
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return FALSE;
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}
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// LLHUDEffectLookAt()
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//-----------------------------------------------------------------------------
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LLHUDEffectLookAt::LLHUDEffectLookAt(const U8 type) :
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LLHUDEffect(type),
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mKillTime(0.f),
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mLastSendTime(0.f)
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{
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clearLookAtTarget();
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// parse the default sets
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loadAttentions();
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// initialize current attention set. switches when avatar sex changes.
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mAttentions = &gGirlAttentions;
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}
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//-----------------------------------------------------------------------------
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// ~LLHUDEffectLookAt()
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//-----------------------------------------------------------------------------
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LLHUDEffectLookAt::~LLHUDEffectLookAt()
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{
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}
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//-----------------------------------------------------------------------------
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// packData()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::packData(LLMessageSystem *mesgsys)
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{
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// Pack the default data
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LLHUDEffect::packData(mesgsys);
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// Pack the type-specific data. Uses a fun packed binary format. Whee!
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U8 packed_data[PKT_SIZE];
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memset(packed_data, 0, PKT_SIZE);
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if (mSourceObject)
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{
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htonmemcpy(&(packed_data[SOURCE_AVATAR]), mSourceObject->mID.mData, MVT_LLUUID, 16);
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}
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else
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{
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htonmemcpy(&(packed_data[SOURCE_AVATAR]), LLUUID::null.mData, MVT_LLUUID, 16);
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}
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// pack both target object and position
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// position interpreted as offset if target object is non-null
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if (mTargetObject)
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{
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htonmemcpy(&(packed_data[TARGET_OBJECT]), mTargetObject->mID.mData, MVT_LLUUID, 16);
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}
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else
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{
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htonmemcpy(&(packed_data[TARGET_OBJECT]), LLUUID::null.mData, MVT_LLUUID, 16);
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}
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htonmemcpy(&(packed_data[TARGET_POS]), mTargetOffsetGlobal.mdV, MVT_LLVector3d, 24);
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U8 lookAtTypePacked = (U8)mTargetType;
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htonmemcpy(&(packed_data[LOOKAT_TYPE]), &lookAtTypePacked, MVT_U8, 1);
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mesgsys->addBinaryDataFast(_PREHASH_TypeData, packed_data, PKT_SIZE);
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mLastSendTime = mTimer.getElapsedTimeF32();
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}
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//-----------------------------------------------------------------------------
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// unpackData()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::unpackData(LLMessageSystem *mesgsys, S32 blocknum)
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{
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LLVector3d new_target;
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U8 packed_data[PKT_SIZE];
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LLUUID dataId;
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mesgsys->getUUIDFast(_PREHASH_Effect, _PREHASH_ID, dataId, blocknum);
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if (!gAgentCamera.mLookAt.isNull() && dataId == gAgentCamera.mLookAt->getID())
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{
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return;
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}
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LLHUDEffect::unpackData(mesgsys, blocknum);
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LLUUID source_id;
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LLUUID target_id;
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S32 size = mesgsys->getSizeFast(_PREHASH_Effect, blocknum, _PREHASH_TypeData);
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if (size != PKT_SIZE)
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{
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llwarns << "LookAt effect with bad size " << size << llendl;
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return;
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}
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mesgsys->getBinaryDataFast(_PREHASH_Effect, _PREHASH_TypeData, packed_data, PKT_SIZE, blocknum);
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htonmemcpy(source_id.mData, &(packed_data[SOURCE_AVATAR]), MVT_LLUUID, 16);
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LLVOAvatar *avatarp = gObjectList.findAvatar(source_id);
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if (avatarp)
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{
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setSourceObject(avatarp);
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}
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else
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{
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//llwarns << "Could not find source avatar for lookat effect" << llendl;
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return;
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}
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htonmemcpy(target_id.mData, &(packed_data[TARGET_OBJECT]), MVT_LLUUID, 16);
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LLViewerObject *objp = gObjectList.findObject(target_id);
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htonmemcpy(new_target.mdV, &(packed_data[TARGET_POS]), MVT_LLVector3d, 24);
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if (objp)
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{
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setTargetObjectAndOffset(objp, new_target);
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}
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else if (target_id.isNull())
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{
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setTargetPosGlobal(new_target);
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}
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else
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{
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//llwarns << "Could not find target object for lookat effect" << llendl;
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}
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U8 lookAtTypeUnpacked = 0;
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htonmemcpy(&lookAtTypeUnpacked, &(packed_data[LOOKAT_TYPE]), MVT_U8, 1);
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mTargetType = (ELookAtType)lookAtTypeUnpacked;
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if (mTargetType == LOOKAT_TARGET_NONE)
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{
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clearLookAtTarget();
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}
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}
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//-----------------------------------------------------------------------------
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// setTargetObjectAndOffset()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::setTargetObjectAndOffset(LLViewerObject *objp, LLVector3d offset)
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{
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mTargetObject = objp;
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mTargetOffsetGlobal = offset;
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}
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//-----------------------------------------------------------------------------
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// setTargetPosGlobal()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::setTargetPosGlobal(const LLVector3d &target_pos_global)
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{
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mTargetObject = NULL;
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mTargetOffsetGlobal = target_pos_global;
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}
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//-----------------------------------------------------------------------------
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// setLookAt()
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// called by agent logic to set look at behavior locally, and propagate to sim
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//-----------------------------------------------------------------------------
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BOOL LLHUDEffectLookAt::setLookAt(ELookAtType target_type, LLViewerObject *object, LLVector3 position)
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{
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if (!mSourceObject)
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{
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return FALSE;
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}
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if (target_type >= LOOKAT_NUM_TARGETS)
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{
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llwarns << "Bad target_type " << (int)target_type << " - ignoring." << llendl;
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return FALSE;
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}
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// must be same or higher priority than existing effect
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if ((*mAttentions)[target_type].mPriority < (*mAttentions)[mTargetType].mPriority)
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{
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return FALSE;
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}
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F32 current_time = mTimer.getElapsedTimeF32();
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// type of lookat behavior or target object has changed
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BOOL lookAtChanged = (target_type != mTargetType) || (object != mTargetObject);
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// lookat position has moved a certain amount and we haven't just sent an update
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lookAtChanged = lookAtChanged || ((dist_vec_squared(position, mLastSentOffsetGlobal) > MIN_DELTAPOS_FOR_UPDATE_SQUARED) &&
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((current_time - mLastSendTime) > (1.f / MAX_SENDS_PER_SEC)));
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if (lookAtChanged)
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{
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mLastSentOffsetGlobal = position;
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F32 timeout = (*mAttentions)[target_type].mTimeout;
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setDuration(timeout);
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setNeedsSendToSim(TRUE);
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}
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if (target_type == LOOKAT_TARGET_CLEAR)
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{
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clearLookAtTarget();
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}
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else
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{
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mTargetType = target_type;
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mTargetObject = object;
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if (object)
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{
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mTargetOffsetGlobal.setVec(position);
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}
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else
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{
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mTargetOffsetGlobal = gAgent.getPosGlobalFromAgent(position);
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}
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mKillTime = mTimer.getElapsedTimeF32() + mDuration;
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update();
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// clearLookAtTarget()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::clearLookAtTarget()
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{
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mTargetObject = NULL;
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mTargetOffsetGlobal.clearVec();
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mTargetType = LOOKAT_TARGET_NONE;
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if (mSourceObject.notNull())
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{
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((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT);
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}
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}
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//-----------------------------------------------------------------------------
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// markDead()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::markDead()
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{
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if (mSourceObject.notNull())
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{
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((LLVOAvatar*)(LLViewerObject*)mSourceObject)->removeAnimationData("LookAtPoint");
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}
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mSourceObject = NULL;
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clearLookAtTarget();
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LLHUDEffect::markDead();
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}
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void LLHUDEffectLookAt::setSourceObject(LLViewerObject* objectp)
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{
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// restrict source objects to avatars
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if (objectp && objectp->isAvatar())
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{
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LLHUDEffect::setSourceObject(objectp);
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}
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}
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//-----------------------------------------------------------------------------
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// render()
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//-----------------------------------------------------------------------------
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void LLHUDEffectLookAt::render()
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{
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static const LLCachedControl<bool> private_look_at("PrivateLookAt",false);
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static const LLCachedControl<bool> show_look_at("AscentShowLookAt", false);
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|
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if (private_look_at && (gAgentAvatarp == ((LLVOAvatar*)(LLViewerObject*)mSourceObject)))
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return;
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|
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if (show_look_at && mSourceObject.notNull())
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|
{
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LLGLDepthTest gls_depth(GL_TRUE,GL_FALSE);
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|
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gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
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|
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LLVector3 target = mTargetPos + ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->mHeadp->getWorldPosition();
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gGL.matrixMode(LLRender::MM_MODELVIEW);
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gGL.pushMatrix();
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gGL.translatef(target.mV[VX], target.mV[VY], target.mV[VZ]);
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gGL.scalef(0.3f, 0.3f, 0.3f);
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gGL.begin(LLRender::LINES);
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|
{
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|
LLColor3 color = (*mAttentions)[mTargetType].mColor;
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gGL.color3f(color.mV[VRED], color.mV[VGREEN], color.mV[VBLUE]);
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gGL.vertex3f(-1.f, 0.f, 0.f);
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gGL.vertex3f(1.f, 0.f, 0.f);
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|
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gGL.vertex3f(0.f, -1.f, 0.f);
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gGL.vertex3f(0.f, 1.f, 0.f);
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|
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gGL.vertex3f(0.f, 0.f, -1.f);
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gGL.vertex3f(0.f, 0.f, 1.f);
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} gGL.end();
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|
gGL.popMatrix();
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|
// <edit>
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|
const std::string text = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->getFullname();
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|
LLVector3 offset = gAgentCamera.getCameraPositionAgent() - target;
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|
offset.normalize();
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|
LLVector3 shadow_offset = offset * 0.49f;
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|
offset *= 0.5f;
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|
const LLFontGL* font = LLResMgr::getInstance()->getRes(LLFONT_SANSSERIF);
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|
LLGLEnable gl_blend(GL_BLEND);
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|
gGL.pushMatrix();
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|
gViewerWindow->setup2DViewport();
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|
hud_render_utf8text(text,
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|
target + shadow_offset,
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|
*font,
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|
LLFontGL::NORMAL,
|
|
LLFontGL::NO_SHADOW,
|
|
-0.5f * font->getWidthF32(text) + 2.0f,
|
|
-2.0f,
|
|
LLColor4::black,
|
|
FALSE);
|
|
hud_render_utf8text(text,
|
|
target + offset,
|
|
*font,
|
|
LLFontGL::NORMAL,
|
|
LLFontGL::NO_SHADOW,
|
|
-0.5f * font->getWidthF32(text),
|
|
0.0f,
|
|
(*mAttentions)[mTargetType].mColor,
|
|
FALSE);
|
|
gGL.popMatrix();
|
|
// </edit>
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// update()
|
|
//-----------------------------------------------------------------------------
|
|
void LLHUDEffectLookAt::update()
|
|
{
|
|
static const LLCachedControl<bool> show_look_at("AscentShowLookAt", false);
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Singu note: this displays extra information for look at targets. Due to the bug in llvoavatar.cpp
|
|
// it was never displayed before and is not something users exect: turning it off for now
|
|
#if 0
|
|
if (show_look_at)
|
|
{
|
|
((LLVOAvatar*)(LLViewerObject*)mSourceObject)->addDebugText((*mAttentions)[mTargetType].mName);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* 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()
|
|
{
|
|
if (gNoRender)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
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);
|
|
source_avatar->mIdleTimer.reset();
|
|
return true;
|
|
}
|