From f7a76480f997e3ec5799f59553b20cfc1c9c1b3a Mon Sep 17 00:00:00 2001
From: ulteq <ulteq@web.de>
Date: Thu, 11 Jun 2015 19:37:51 +0200
Subject: [PATCH] Made the HuntIR camera destroyable: * Shooting the parachute
 will increase its damage * The falling speed now increases with damage *
 Damaged cameras won't be able to transmit video * The HuntIR spawn positions
 now really depends on the grenade trajectory

---
 addons/huntir/CfgVehicles.hpp               |  1 +
 addons/huntir/functions/fnc_cam.sqf         |  4 +--
 addons/huntir/functions/fnc_handleFired.sqf | 35 +++++++++++----------
 3 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/addons/huntir/CfgVehicles.hpp b/addons/huntir/CfgVehicles.hpp
index 3cce76e201..9e24473243 100644
--- a/addons/huntir/CfgVehicles.hpp
+++ b/addons/huntir/CfgVehicles.hpp
@@ -20,6 +20,7 @@ class CfgVehicles {
     class Parachute_02_base_F;
     class ACE_HuntIR: Parachute_02_base_F {
         scope = 1;
+        destrType = "DestructDefault";
         displayName = "HuntIR";
         model = PATHTOF(data\huntir.p3d);
         castDriverShadow = 0;
diff --git a/addons/huntir/functions/fnc_cam.sqf b/addons/huntir/functions/fnc_cam.sqf
index af229bfe75..e922b2cbc1 100644
--- a/addons/huntir/functions/fnc_cam.sqf
+++ b/addons/huntir/functions/fnc_cam.sqf
@@ -65,12 +65,12 @@ GVAR(no_cams) sort true;
 [{
     GVAR(nearHuntIRs) = ACE_player nearEntities ["ACE_HuntIR", HUNTIR_MAX_TRANSMISSION_RANGE];
     {
-        if (((getPosVisual _x) select 2) > 20 && {!(_x in GVAR(no_cams))}) then {
+        if (((getPosVisual _x) select 2) > 20 && {!(_x in GVAR(no_cams))} && {damage _x < 0.5}) then {
             GVAR(no_cams) pushBack _x;
         };
     } forEach GVAR(nearHuntIRs);
     {
-        if (((getPosVisual _x) select 2) <= 20 || {!(_x in GVAR(nearHuntIRs))}) then {
+        if (((getPosVisual _x) select 2) <= 20 || {!(_x in GVAR(nearHuntIRs))} || {damage _x >= 0.5}) then {
             GVAR(no_cams) deleteAt _forEachIndex;
             if (_forEachIndex < GVAR(cur_cam)) then {
                 GVAR(cur_cam) = GVAR(cur_cam) - 1;
diff --git a/addons/huntir/functions/fnc_handleFired.sqf b/addons/huntir/functions/fnc_handleFired.sqf
index 16afd17546..91367ac864 100644
--- a/addons/huntir/functions/fnc_handleFired.sqf
+++ b/addons/huntir/functions/fnc_handleFired.sqf
@@ -23,24 +23,25 @@ PARAMS_7(_unit,_weapon,_muzzle,_mode,_ammo,_magazine,_projectile);
 
 if (_ammo != "F_HuntIR") exitWith {};
 
-private ["_dir", "_pos", "_dirDegree", "_b", "_a", "_y", "_x"];
-_dir = ACE_player weaponDirection _weapon;
-_pos = getPosATL ACE_player;
-
-_dirDegree = (_dir select 0) atan2 (_dir select 1);
-_b = 500 / (tan((asin(_dir select 2)) + 10));
-_a = _b * sin(_dirDegree);
-_b = _a / tan(_dirDegree);
-_x = (_pos select 0) + _a;
-_y = (_pos select 1) + _b;
-
 [{
-    PARAMS_3(_projectile,_x,_y);
+    PARAMS_1(_projectile);
     "ACE_HuntIR_Propell" createVehicle (getPosATL _projectile);
     [{
-        PARAMS_3(_x,_y,_z);
+        PARAMS_1(_position);
         private ["_huntir"];
-        _huntir = createVehicle ["ACE_HuntIR",  [_x, _y, _z], [], 0, "FLY"];
-        _huntir setPosATL [_x, _y, _z];
-    }, [_x, _y, ((getPosATL _projectile) select 2) + 400], 5, 0] call EFUNC(common,waitAndExecute);
-}, [_projectile, _x, _y], 5, 0] call EFUNC(common,waitAndExecute);
+        _huntir = createVehicle ["ACE_HuntIR", _position, [], 0, "FLY"];
+        _huntir setPosATL _position;
+        [{
+            EXPLODE_1_PVT(_this select 0,_huntir);
+            private ["_deltaT"];
+            if (isNull _huntir) exitWith {
+                [_this select 1] call CBA_fnc_removePerFrameHandler;
+            };
+            if (damage _huntir > 0) then {
+                _deltaT = ACE_time - (_huntir getVariable [QGVAR(lastTime), ACE_time]);
+                _huntir setVelocity (velocity _huntir vectorAdd [0, 0, -9.8066 * (damage _huntir) * _deltaT]);
+                _huntir setVariable [QGVAR(lastTime), ACE_time];
+            };
+        }, 0.1, [_huntir]] call CBA_fnc_addPerFrameHandler;
+    }, [getPosATL _projectile vectorAdd [0, 0, 400]], 5, 0] call EFUNC(common,waitAndExecute);
+}, [_projectile], 5, 0] call EFUNC(common,waitAndExecute);