From 8a47d7a9b6ee6fb62d9c631b52b3552474f8159b Mon Sep 17 00:00:00 2001
From: BaerMitUmlaut <BaerMitUmlaut@users.noreply.github.com>
Date: Sun, 4 Sep 2016 20:50:12 +0200
Subject: [PATCH] Add fade nametags towards screen border (#4316)

* Fade nametags towards screen border

* Use distance2D instead of vector commands

* Don't calculate fade when off screen

* Made fade on border optional
---
 addons/nametags/ACE_Settings.hpp           |  2 +-
 addons/nametags/CfgVehicles.hpp            |  4 ++++
 addons/nametags/functions/fnc_onDraw3d.sqf | 20 ++++++++++++++++++--
 addons/nametags/stringtable.xml            |  4 ++++
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/addons/nametags/ACE_Settings.hpp b/addons/nametags/ACE_Settings.hpp
index 354d5748bf..ab6220f131 100644
--- a/addons/nametags/ACE_Settings.hpp
+++ b/addons/nametags/ACE_Settings.hpp
@@ -12,7 +12,7 @@ class ACE_Settings {
         isClientSettable = 1;
         displayName = CSTRING(ShowPlayerNames);
         description = CSTRING(ShowPlayerNames_Desc);
-        values[] = {ECSTRING(common,Disabled), ECSTRING(common,Enabled), CSTRING(OnlyCursor), CSTRING(OnlyKeypress), CSTRING(OnlyCursorAndKeypress)};
+        values[] = {ECSTRING(common,Disabled), ECSTRING(common,Enabled), CSTRING(OnlyCursor), CSTRING(OnlyKeypress), CSTRING(OnlyCursorAndKeypress), CSTRING(FadeOnBorder)};
         category = CSTRING(Module_DisplayName);
     };
     class GVAR(showPlayerRanks) {
diff --git a/addons/nametags/CfgVehicles.hpp b/addons/nametags/CfgVehicles.hpp
index 6b8b8956ae..47f530df68 100644
--- a/addons/nametags/CfgVehicles.hpp
+++ b/addons/nametags/CfgVehicles.hpp
@@ -28,6 +28,10 @@ class CfgVehicles {
                         name = CSTRING(ForceShow);
                         value = 1;
                     };
+                    class ForceShowFadeOnBorder {
+                        name = CSTRING(FadeOnBorder);
+                        value = 5;
+                    };
                     class ForceShowOnlyCursor {
                         name = CSTRING(ForceShowOnlyCursor);
                         value = 2;
diff --git a/addons/nametags/functions/fnc_onDraw3d.sqf b/addons/nametags/functions/fnc_onDraw3d.sqf
index d9d26cd0ac..7f3f04a0c4 100644
--- a/addons/nametags/functions/fnc_onDraw3d.sqf
+++ b/addons/nametags/functions/fnc_onDraw3d.sqf
@@ -57,6 +57,11 @@ switch (GVAR(showPlayerNames)) do {
         _enabledTagsNearby = (GVAR(showSoundWaves) == 2);
         _enabledTagsCursor = _onKeyPressAlphaMax > 0;
     };
+    case 5: {
+        // Fade on border
+        _enabledTagsNearby = true;
+        _enabledTagsCursor = false;
+    };
 };
 
 private _ambientBrightness = ((([] call EFUNC(common,ambientBrightness)) + ([0, 0.4] select ((currentVisionMode ace_player) != 0))) min 1) max 0;
@@ -132,7 +137,18 @@ if (_enabledTagsNearby) then {
         if !(isNull _target) then {
             private _relPos = (visiblePositionASL _target) vectorDiff _camPosASL;
             private _distance = vectorMagnitude _relPos;
-            private _projDist = _relPos vectorDistance (_vecy vectorMultiply (_relPos vectorDotProduct _vecy));
+
+            // Fade on border
+            private _centerOffsetFactor = 1;
+            if (GVAR(showPlayerNames) == 5) then {
+                private _screenPos = worldToScreen (_target modelToWorld (_target selectionPosition "head"));
+                if !(_screenPos isEqualTo []) then {
+                    // Distance from center / half of screen width
+                    _centerOffsetFactor = 1 - ((_screenPos distance2D [0.5, 0.5]) / (safezoneW / 3));
+                } else {
+                    _centerOffsetFactor = 0;
+                };
+            };
 
             private _drawSoundwave = (GVAR(showSoundWaves) > 0) && {[_target] call FUNC(isSpeaking)};
             private _alphaMax = _onKeyPressAlphaMax;
@@ -146,7 +162,7 @@ if (_enabledTagsNearby) then {
             // - decreases when _distance > _maxDistance
             // - increases when the unit is speaking
             // - it's clamped by the value of _onKeyPressAlphaMax unless soundwaves are forced on and the unit is talking
-            private _alpha = (((1 + ([0, 0.2] select _drawSoundwave) - 0.2 * (_distance - _maxDistance)) min 1) * GVAR(playerNamesMaxAlpha)) min _alphaMax;
+            private _alpha = (((1 + ([0, 0.2] select _drawSoundwave) - 0.2 * (_distance - _maxDistance)) min 1) * GVAR(playerNamesMaxAlpha) * _centerOffsetFactor) min _alphaMax;
 
             if (_alpha > 0) then {
                 [ACE_player, _target, _alpha, _distance * 0.026, _drawName, _drawRank, _drawSoundwave] call FUNC(drawNameTagIcon);
diff --git a/addons/nametags/stringtable.xml b/addons/nametags/stringtable.xml
index 5f048eeb4e..c248dba636 100644
--- a/addons/nametags/stringtable.xml
+++ b/addons/nametags/stringtable.xml
@@ -396,5 +396,9 @@
             <Russian>Масштабирование размера текста и иконок</Russian>
             <Italian>Proporzione Dimensioni Testo ed Icone</Italian>
         </Key>
+        <Key ID="STR_ACE_NameTags_FadeOnBorder">
+            <English>Fade on screen border</English>
+            <German>Am Bildschirmrand ausblenden</German>
+        </Key>
     </Package>
 </Project>