From ed6148d6c6c554223dc4b2dab0c729d3b5698158 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Fri, 26 Jul 2024 21:49:36 +0300
Subject: viewer#2113 Optional disable eyes/head follow cursor/lookat

Intended for photography, but there is curently no nice way to present
it so it's in debug options until we get some critical mass of features
that can be collected into a single whole.
---
 indra/newview/app_settings/settings.xml            | 11 +++++++++++
 indra/newview/llhudeffectlookat.cpp                | 21 +++++++++++++++++++--
 indra/newview/skins/default/xui/en/menu_viewer.xml | 10 ++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)

(limited to 'indra/newview')

diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 97cab58eb1..9e5d3f09bd 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -14218,6 +14218,17 @@
       <string>Boolean</string>
       <key>Value</key>
       <integer>0</integer>
+    </map>
+    <key>DisableLookAtAnimation</key>
+    <map>
+        <key>Comment</key>
+        <string>Avatar follows cursor with avatars eyes, when disabled, avatar will look forward</string>
+        <key>Persist</key>
+        <integer>0</integer>
+        <key>Type</key>
+        <string>Boolean</string>
+        <key>Value</key>
+        <integer>0</integer>
     </map>
      <key>WebProfileFloaterRect</key>
     <map>
diff --git a/indra/newview/llhudeffectlookat.cpp b/indra/newview/llhudeffectlookat.cpp
index c8b7e00776..d0d2ee191a 100644
--- a/indra/newview/llhudeffectlookat.cpp
+++ b/indra/newview/llhudeffectlookat.cpp
@@ -36,6 +36,7 @@
 #include "llvoavatar.h"
 #include "lldrawable.h"
 #include "llviewerobjectlist.h"
+#include "llviewercontrol.h"
 #include "llrendersphere.h"
 #include "llselectmgr.h"
 #include "llglheaders.h"
@@ -561,8 +562,16 @@ void LLHUDEffectLookAt::update()
     {
         if (calcTargetPosition())
         {
+            static LLCachedControl<bool> disable_look_at(gSavedSettings, "DisableLookAtAnimation", true);
             LLMotion* head_motion = ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->findMotion(ANIM_AGENT_HEAD_ROT);
-            if (!head_motion || head_motion->isStopped())
+            if (disable_look_at())
+            {
+                if (head_motion)
+                {
+                    ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->stopMotion(ANIM_AGENT_HEAD_ROT);
+                }
+            }
+            else if (!head_motion || head_motion->isStopped())
             {
                 ((LLVOAvatar*)(LLViewerObject*)mSourceObject)->startMotion(ANIM_AGENT_HEAD_ROT);
             }
@@ -665,7 +674,15 @@ bool LLHUDEffectLookAt::calcTargetPosition()
     if (!mTargetPos.isFinite())
         return false;
 
-    source_avatar->setAnimationData("LookAtPoint", (void *)&mTargetPos);
+    static LLCachedControl<bool> disable_look_at(gSavedSettings, "DisableLookAtAnimation", true);
+    if (disable_look_at())
+    {
+        source_avatar->removeAnimationData("LookAtPoint");
+    }
+    else
+    {
+        source_avatar->setAnimationData("LookAtPoint", (void*)&mTargetPos);
+    }
 
     return true;
 }
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 347638249b..941f0c6bb7 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -3966,6 +3966,16 @@ function="World.EnvPreset"
                      function="ToggleControl"
                      parameter="AllowSelectAvatar" />
                 </menu_item_check>
+                <menu_item_check
+                 label="Disable Look At Animation"
+                 name="Disable Look At Animation">
+                    <menu_item_check.on_check
+                     function="CheckControl"
+                     parameter="DisableLookAtAnimation" />
+                    <menu_item_check.on_click
+                     function="ToggleControl"
+                     parameter="DisableLookAtAnimation" />
+                </menu_item_check>
                 <menu_item_check
                  label="Render Only Friends"
                  name="Render Only Friends">
-- 
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