Working Demo

addons/explosives/GUI_VirtualAmmo.hpp

@@ -0,0 +1,30 @@
+class RscTitles {
+    class GVAR(virtualAmmo) {
+        idd = -1;
+        movingEnable = 1;
+        duration = 9999999;
+        fadein = 0;
+        fadeout = 0;
+        onLoad = "uiNamespace setVariable ['ACE_explosives_virtualAmmoDisplay', (_this select 0)];";
+        class controls {};
+        class objects {
+            class TheObject {
+                idc = 800851;
+                type = 82;
+                model = "\a3\weapons_f\Ammo\Handgrenade.p3d"; //dummy value, cannot be "" !!!
+                scale = 1;
+                direction[] = {0, 0, 1};
+                up[] = {0, 1, 0};
+                x = 0.5;
+                y = 0.5;
+                z = 1;
+                xBack = 0.5;
+                yBack = 0.5;
+                zBack = 0.5;
+                inBack = 0;
+                enableZoom = 0;
+                zoomDuration = 1;
+            };
+        };
+    };
+};

addons/explosives/config.cpp

@@ -12,6 +12,8 @@ class CfgPatches {
     };
 };
 
+#include "ACE_Settings.hpp"
+
 #include "CfgEventHandlers.hpp"
 
 #include "CfgAmmo.hpp"
@@ -21,6 +23,7 @@ class CfgPatches {
 
 #include "ACE_Triggers.hpp"
 #include "ExplosivesUI.hpp"
+#include "GUI_VirtualAmmo.hpp"
 
 class CfgActions {
     class None;
@@ -39,5 +42,3 @@ class CfgMineTriggers {
         mineTriggerRange = 1;
     };
 };
-
-#include "ACE_Settings.hpp"

addons/explosives/functions/fnc_addExplosiveActions.sqf

@@ -43,10 +43,10 @@ _children = [];
                 format ["Explosive_%1", _forEachIndex],
                 format [_name + " (%1)", _itemCount select _foreachIndex],
                 getText(_x >> "picture"),
-                {(_this select 2) call FUNC(setupExplosive);},
+                {_this call FUNC(setupExplosive);},
                 {true},
                 {},
-                [_unit, configName _x]
+                (configName _x)
             ] call EFUNC(interact_menu,createAction),
             [],
             _unit

addons/explosives/functions/fnc_handleScrollWheel.sqf

@@ -14,9 +14,9 @@
  * Public: No
  */
 #include "script_component.hpp"
-if (isNull(GVAR(Setup)) || {ACE_Modifier == 0} || !GVAR(pfeh_running)) exitWith {false};
-_this = _this * 5;
-GVAR(Setup) setDir ((getDir GVAR(Setup)) + _this);
-GVAR(TweakedAngle) = GVAR(TweakedAngle) + _this;
+
+if ((!GVAR(pfeh_running)) || {ACE_Modifier == 0}) exitWith {false};
+
+GVAR(TweakedAngle) = ((GVAR(TweakedAngle) + 5 * _this) + 360) % 360;
 
 true

addons/explosives/functions/fnc_setupExplosive.sqf

@@ -3,8 +3,9 @@
  * Starts the setup process for the passed explosive. Player only.
  *
  * Arguments:
- * 0: Unit <OBJECT>
- * 1: Classname of explosive to place. (CfgMagazine class) <STRING>
+ * 0: Vehicle <OBJECT>
+ * 1: Player Unit <OBJECT>
+ * 2: Classname of explosive to place. (CfgMagazine class) <STRING>
  *
  * Return Value:
  * None
@@ -15,6 +16,120 @@
  * Public: Yes
  */
 #include "script_component.hpp"
+
+PARAMS_3(_vehicle,_player,_magClassname);
+
+[_player, "ACE_Explosives", true] call EFUNC(common,setForceWalkStatus);
+GVAR(TweakedAngle) = 0;
+
+//Get setup object vehicle and model:
+_setupObjectClass = getText(ConfigFile >> "CfgMagazines" >> _magClassname >> "ACE_SetupObject");
+if (!isClass (configFile >> "CfgVehicles" >> _setupObjectClass)) exitWith {ERROR("Bad Vehicle");};
+_p3dModel = getText (configFile >> "CfgVehicles" >> _setupObjectClass >> "model");
+if (_p3dModel == "") exitWith {ERROR("No Model");}; //"" - will crash game!
+
+[localize LSTRING(PlaceAction), localize LSTRING(CancelAction), localize LSTRING(ScrollAction)] call EFUNC(interaction,showMouseHint);
+_player setVariable [QGVAR(placeActionEH), [_player, "DefaultAction", {true}, {GVAR(placeAction) = PLACE_APPROVE;}] call EFUNC(common,AddActionEventHandler)];
+_player setVariable [QGVAR(cancelActionEH), [_player, "zoomtemp", {true}, {GVAR(placeAction) = PLACE_CANCEL;}] call EFUNC(common,AddActionEventHandler)];
+
+
+//Display to show virtual object:
+(QGVAR(virtualAmmo) call BIS_fnc_rscLayer) cutRsc [QGVAR(virtualAmmo), "PLAIN", 0, false];
+((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlSetModel _p3dModel;
+
+GVAR(pfeh_running) = true;
+GVAR(placeAction) = PLACE_WAITING;
+
+
+[{
+    private["_angle", "_dir", "_screenPos", "_realDistance", "_up", "_virtualPos", "_virtualPosASL", "_badPosition"];
+
+    PARAMS_2(_args,_pfID);
+    EXPLODE_3_PVT(_args,_unit,_magClassname,_setupObjectClass);
+
+    _virtualPosASL = (eyePos _unit) vectorAdd (positionCameraToWorld [0,0,1]) vectorDiff (positionCameraToWorld [0,0,0]);
+    if (cameraView == "EXTERNAL") then {
+        _virtualPosASL = _virtualPosASL vectorAdd ((positionCameraToWorld [0.3,0,0]) vectorDiff (positionCameraToWorld [0,0,0]));
+    };
+    _virtualPos = _virtualPosASL call EFUNC(common,ASLToPosition);
+    _intersectsWith = lineIntersectsWith [eyePos ACE_player, _virtualPosASL, ACE_player];
+
+    hintSilent format ["IntersectsWith %1", _intersectsWith];
+    
+    _badPosition = (count _intersectsWith) > 0;
+    
+    //Don't allow placing in a bad position:
+    if (_badPosition && {GVAR(placeAction) == PLACE_APPROVE}) then {GVAR(placeAction) = PLACE_WAITING;};
+
+    //Cancel on RMB, For some reason this works (when held) but AddActionEventHandler doesn't
+    if ((inputAction "zoomTemp") > 0) then {GVAR(placeAction) = PLACE_CANCEL;};
+
+    if ((GVAR(placeAction) != PLACE_WAITING) ||
+            {_unit != ACE_player} ||
+            {(inputAction "optics") > 0})            then {
+
+        [_pfID] call CBA_fnc_removePerFrameHandler;
+        GVAR(pfeh_running) = false;
+
+        [_unit, "ACE_Explosives", false] call EFUNC(common,setForceWalkStatus);
+        [] call EFUNC(interaction,hideMouseHint);
+        [_unit, "DefaultAction", (_unit getVariable [QGVAR(placeActionEH), -1])] call EFUNC(common,removeActionEventHandler);
+        [_unit, "zoomtemp", (_unit getVariable [QGVAR(cancelActionEH), -1])] call EFUNC(common,removeActionEventHandler);
+
+        (QGVAR(virtualAmmo) call BIS_fnc_rscLayer) cutText ["", "PLAIN"];
+
+        if (GVAR(placeAction) == PLACE_APPROVE) then {
+            systemChat "place";
+            _dir = (positionCameraToWorld [0,0,0]) vectorFromTo (positionCameraToWorld [0,0,1]);
+            _angle = ((_dir select 0) atan2 (_dir select 1)) - GVAR(TweakedAngle) - 180;
+
+            systemChat format ["Pos %1, Cam %2, Ang %3", _virtualPosASL, ((_dir select 0) atan2 (_dir select 1)), _angle];
+
+            _realObject = _setupObjectClass createVehicle _virtualPos;
+            _realObject setPosAsl _virtualPosASL;
+            _realObject setDir _angle;
+            // [_unit, _attachToVehicle, _itemClassname, _itemVehClass, _onAtachText, _virtualPos] call FUNC(placeApprove);
+        };
+    } else {
+        // systemChat format ["A Running %1 - %2", time, _badPosition];
+        //Show the virtual object:
+        if (_badPosition) then {
+            ((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlShow false;
+        } else {
+            ((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlShow true;
+            _screenPos = worldToScreen _virtualPos;
+            if (_screenPos isEqualTo []) exitWith {
+                ((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlShow false;
+            };
+            _realDistance = (_virtualPos distance (positionCameraToWorld [0,0,0])) / ((call CBA_fnc_getFov) select 1);
+            _screenPos = [(_screenPos select 0), _realDistance, (_screenPos select 1)];
+            ((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlSetPosition _screenPos;
+            _dir = (positionCameraToWorld [0,0,1]) vectorFromTo (positionCameraToWorld [0,0,0]);
+            _angle = asin (_dir select 2) + 90;
+
+            _modelUp = [0, (cos _angle), (sin _angle)];
+            _modelDir = [cos GVAR(TweakedAngle), sin GVAR(TweakedAngle), 0] vectorCrossProduct _modelUp;
+
+            // systemChat format ["Running %1", [_modelDir, _modelUp]];
+            ((uiNamespace getVariable [QGVAR(virtualAmmoDisplay), displayNull]) displayCtrl 800851) ctrlSetModelDirAndUp [_modelDir, _modelUp];
+        };
+    };
+}, 0, [_player, _magClassname, _setupObjectClass]] call CBA_fnc_addPerFrameHandler;
+
+
+
+
+
+
+
+
+
+
+
+
+/*
+
+
 closeDialog 0;
 EXPLODE_2_PVT(_this,_unit,_class);
 GVAR(placer) = _unit;
@@ -24,8 +139,8 @@ GVAR(Setup) = createVehicle [getText(ConfigFile >> "CfgMagazines" >> _class >> "
 GVAR(Setup) enableSimulationGlobal false;
 GVAR(Setup) setVariable [QGVAR(class), _class, true];
 
-[_unit, "ACE_Explosives", true] call EFUNC(common,setForceWalkStatus);
-GVAR(TweakedAngle) = 180;
+
+
 
 [QGVAR(Placement),"OnEachFrame", {
     private ["_player", "_pos"];
@@ -41,9 +156,4 @@ GVAR(TweakedAngle) = 180;
     };
 }] call CALLSTACK(BIS_fnc_addStackedEventHandler);
 
-[localize LSTRING(PlaceAction), localize LSTRING(CancelAction),
-    localize LSTRING(ScrollAction)] call EFUNC(interaction,showMouseHint);
-_unit setVariable [QGVAR(Place), [_unit, "DefaultAction",
-    {GVAR(pfeh_running) AND !isNull (GVAR(Setup))}, {call FUNC(place_Approve);}] call EFUNC(common,AddActionEventHandler)];
-_unit setVariable [QGVAR(Cancel), [_unit, "zoomtemp",
-    {GVAR(pfeh_running) AND !isNull (GVAR(Setup))}, {call FUNC(place_Cancel);}] call EFUNC(common,AddActionEventHandler)];
+ */

addons/explosives/script_component.hpp

@@ -12,3 +12,7 @@
 #endif
 
 #include "\z\ace\addons\main\script_macros.hpp"
+
+#define PLACE_WAITING -1
+#define PLACE_CANCEL 0
+#define PLACE_APPROVE 1