Prevented sitting on flipped chairs, Stand when chair gets knocked away/otherwise moves

addons/sitting/XEH_clientInit.sqf

@@ -7,6 +7,6 @@ if !(hasInterface) exitWith {};
 ["isNotSitting", {!((_this select 0) getVariable [QGVAR(isSitting), false])}] call EFUNC(common,addCanInteractWithCondition);
 
 // Handle interruptions
-["medical_onUnconscious", {_this call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);
+["medical_onUnconscious", {_player call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);
-["SetHandcuffed", {_this call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);
+["SetHandcuffed", {_player call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);
-["SetSurrendered", {_this call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);
+["SetSurrendered", {_player call DFUNC(handleInterrupt)}] call EFUNC(common,addEventhandler);

addons/sitting/XEH_preInit.sqf

@@ -6,6 +6,7 @@ PREP(canSit);
 PREP(canStand);
 PREP(getRandomAnimation);
 PREP(handleInterrupt);
+PREP(hasChairMoved);
 PREP(moduleInit);
 PREP(sit);
 PREP(stand);

addons/sitting/functions/fnc_canSit.sqf

@@ -14,9 +14,13 @@
  *
  * Public: No
  */
+//#define DEBUG_MODE_FULL
 #include "script_component.hpp"
 
 PARAMS_2(_seat,_player);
 
-// Sitting enabled, is seat object and not occupied
+// Sitting enabled, is seat object, not occupied and standing up (or not on a big slope)
-(GVAR(enable) && {getNumber (configFile >> "CfgVehicles" >> typeOf _seat >> QGVAR(canSit)) == 1} && {isNil{_seat getVariable QGVAR(seatOccupied)}})
+GVAR(enable) &&
+{getNumber (configFile >> "CfgVehicles" >> typeOf _seat >> QGVAR(canSit)) == 1} &&
+{isNil{_seat getVariable QGVAR(seatOccupied)}} &&
+{round (vectorUp _seat select 0) == 0 && {round (vectorUp _seat select 1) == 0} && {round (vectorUp _seat select 2) == 1}}

addons/sitting/functions/fnc_handleInterrupt.sqf

@@ -3,13 +3,13 @@
  * Handles interruptions of sitting, like killed or unconsciousness.
  *
  * Arguments:
- * 0: Player <OBJECT>
+ * Player <OBJECT>
  *
  * Return Value:
  * None
  *
  * Example:
- * [player] call ace_sitting_fnc_handleInterrupt;
+ * player call ace_sitting_fnc_handleInterrupt;
  *
  * Public: No
  */
@@ -18,5 +18,5 @@
 PARAMS_1(_player);
 
 if (_player getVariable [QGVAR(isSitting), false]) then {
-    [_player] call FUNC(stand);
+    _player call FUNC(stand);
 };

addons/sitting/functions/fnc_hasChairMoved.sqf

@@ -0,0 +1,27 @@
+/*
+ * Author: Jonpas
+ * Checks if chair moved from original position.
+ *
+ * Arguments:
+ * 0: Seat <OBJECT>
+ * 1: Seat Position <ARRAY>
+ *
+ * Return Value:
+ * None
+ *
+ * Example:
+ * [seat, seatPos] call ace_sitting_fnc_hasChairMoved;
+ *
+ * Public: No
+ */
+//#define DEBUG_MODE_FULL
+#include "script_component.hpp"
+
+PARAMS_2(_seat,_seatPosOrig);
+
+TRACE_2("Chair position",_seatPosOrig,getPosASL _seat);
+
+// Check each coordinate due to possibility of tiny movements in simulation
+(getPosASL _seat) select 0 < (_seatPosOrig select 0) - 0.01 || {(getPosASL _seat) select 0 > (_seatPosOrig select 0) + 0.01} ||
+{(getPosASL _seat) select 1 < (_seatPosOrig select 1) - 0.01 || {(getPosASL _seat) select 1 > (_seatPosOrig select 1) + 0.01}} ||
+{(getPosASL _seat) select 2 < (_seatPosOrig select 2) - 0.01 || {(getPosASL _seat) select 2 > (_seatPosOrig select 2) + 0.01}}

addons/sitting/functions/fnc_sit.sqf

@@ -14,6 +14,7 @@
  *
  * Public: No
  */
+//#define DEBUG_MODE_FULL
 #include "script_component.hpp"
 
 private ["_configFile", "_sitDirection", "_sitPosition", "_sitRotation", "_sitDirectionVisual"];
@@ -46,12 +47,20 @@ _seat setVariable [QGVAR(seatOccupied), true, true]; // To prevent multiple peop
 
 // Add rotation control PFH
 _sitDirectionVisual = getDirVisual _player; // Needed for precision and issues with using above directly
+_seatPosOrig = getPosASL _seat;
 [{
-    EXPLODE_3_PVT(_this select 0,_player,_sitDirectionVisual,_sitRotation);
+    EXPLODE_5_PVT(_this select 0,_player,_sitDirectionVisual,_sitRotation,_seat,_seatPosOrig);
     
     // Remove PFH if not sitting any more
     if !(_player getVariable [QGVAR(isSitting), false]) exitWith {
         [_this select 1] call cba_fnc_removePerFrameHandler;
+        TRACE_1("Remove PFH",_player getVariable [ARR_2(QGVAR(isSitting),false)]);
+    };
+
+    //  Stand up if chair moves
+    if ([_seat, _seatPosOrig] call FUNC(hasChairMoved)) exitWith {
+        _player call FUNC(stand);
+        TRACE_2("Chair moved",getPosASL _seat,_seatPosOrig);
     };
 
     // Set direction to boundary when passing it
@@ -61,4 +70,4 @@ _sitDirectionVisual = getDirVisual _player; // Needed for precision and issues w
     if (getDir _player < _sitDirectionVisual - _sitRotation) exitWith {
         _player setDir (_sitDirectionVisual - _sitRotation);
     };
-}, 0, [_player, _sitDirectionVisual, _sitRotation]] call cba_fnc_addPerFrameHandler;
+}, 0, [_player, _sitDirectionVisual, _sitRotation, _seat, _seatPosOrig]] call cba_fnc_addPerFrameHandler;