From e1087cab7a96b69fb2876fcbb06d29ff172ce16d Mon Sep 17 00:00:00 2001
From: diwako <diwako@gmail.com>
Date: Sat, 2 Feb 2019 11:22:29 +0100
Subject: [PATCH] Cone based occlusion feature

---
 mod/functions/fn_displayUnitOnCompass.sqf |  6 +++---
 mod/functions/fn_preinit.sqf              | 13 +++++++++++++
 mod/stringtable.xml                       | 16 ++++++++++++++++
 3 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/mod/functions/fn_displayUnitOnCompass.sqf b/mod/functions/fn_displayUnitOnCompass.sqf
index 90df655..79ab7bf 100644
--- a/mod/functions/fn_displayUnitOnCompass.sqf
+++ b/mod/functions/fn_displayUnitOnCompass.sqf
@@ -23,12 +23,13 @@ if (isNil "_player") then {
 private _circleRange = diwako_dui_compassRange;
 private _distance = _player distance2d _unit;
 private _fade = linearConversion [_circleRange * 0.90, _circleRange, _distance, diwako_dui_compass_opacity, 0, true];
+private _relDir = ((_player getRelDir _unit) - (_viewDir - _playerDir) ) mod 360;
 
 if (diwako_dui_enable_occlusion && {_fade > 0}) then {
     private _vis = [vehicle _unit, "VIEW"] checkVisibility [eyePos _player,  AGLToASL (_unit modelToWorld (_unit selectionPosition "Spine2"))];
     private _lastSeen = _unit getVariable "diwako_dui_lastSeen";
-
-    if (_vis == 0) then {
+    private _cone = if (_relDir > 180) then { abs (_relDir - 360)} else { abs _relDir};
+    if (_vis == 0 || {diwako_dui_enable_occlusion_actual_cone < _cone}) then {
         // unit not visible anymore
         if (isNil "_lastSeen") then {
             _lastSeen = time;
@@ -68,7 +69,6 @@ if (isNull _ctrl) then {
 
 ctrlPosition _ctrlGrp params ["_left", "_top", "_width", "_height"];
 private _center = [_left + _width/2, _top + _height/2];
-private _relDir = ((_player getRelDir _unit) - (_viewDir - _playerDir) ) mod 360;
 private _dist = _distance / linearConversion [15,50,_circleRange,40,145,false];
 private _iconScale = diwako_dui_compass_icon_scale;
 private _newWidth = (44 * pixelW) /_divisor * _iconScale;
diff --git a/mod/functions/fn_preinit.sqf b/mod/functions/fn_preinit.sqf
index 22071ea..41cdc37 100644
--- a/mod/functions/fn_preinit.sqf
+++ b/mod/functions/fn_preinit.sqf
@@ -186,6 +186,19 @@ private _curCat = localize "STR_dui_cat_compass";
     ,false
 ] call CBA_Settings_fnc_init;
 
+[
+    "diwako_dui_enable_occlusion_cone"
+    ,"SLIDER"
+    ,[localize "STR_dui_occlusion_cone", localize "STR_dui_occlusion_cone_desc"]
+    ,[CBA_SETTINGS_CAT, _curCat]
+    ,[0, 360, 360, 1]
+    ,false
+    ,{
+        params ["_value"];
+        diwako_dui_enable_occlusion_actual_cone = _value / 2;
+    }
+] call CBA_Settings_fnc_init;
+
 [
     "diwako_dui_compass_icon_scale"
     ,"SLIDER"
diff --git a/mod/stringtable.xml b/mod/stringtable.xml
index e897361..e48a219 100644
--- a/mod/stringtable.xml
+++ b/mod/stringtable.xml
@@ -526,5 +526,21 @@
             <!-- <Japanese></Japanese> -->
             <Polish>Gdy jesteś sam w grupie, będzie to tylko ukrywać znacznik gracza na kompasie</Polish>
         </Key>
+        <Key ID="STR_dui_occlusion_cone">
+            <English>Occlusion Cone</English>
+            <!-- <Czech></Czech> -->
+            <!-- <French></French> -->
+            <German>Okklusionskegel</German>
+            <!-- <Japanese></Japanese> -->
+            <!-- <Polish></Polish> -->
+        </Key>
+        <Key ID="STR_dui_occlusion_cone_desc">
+            <English>Sets the cone (in degrees) in which a unit is considered seen infront of the player. E.g. 90 means you can see the unit 45 degrees to your left and right</English>
+            <!-- <Czech></Czech> -->
+            <!-- <French></French> -->
+            <German>Stellt den Kegel (in Grad) ein, in dem eine Einheit als vor dem Spieler gesehen gilt. Als Beispiel mit 90 grad sieht man Einheiten 45° nach links und rechts</German>
+            <!-- <Japanese></Japanese> -->
+            <!-- <Polish></Polish> -->
+        </Key>
     </Package>
 </Project>
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