BIS_fnc_saa_handleDamage ?

[mad_cheese 593]

Does anyone have any info on the BIS_fnc_saa_handleDamage function? I couldn't find any info in the function browser, the function is also not defined anywhere inside of the mission folder.

I spotted it in "Showcase_Arma.Altis" while I was looking for BIS way to be able to destroy armored vehicles with only one satchel. The init code contains a "handledamage" eventhandler that calls the function.

this addEventhandler ["HandleDamage", {[b] _this call BIS_fnc_saa_handleDamage[/b]; }];

If I add that eventhandler to a armored vehicle in another mission of mine, it doesn't do anything, a satchel will still not destroy it. I know there's other workarounds to increase the damage, but those are very likely to prevent the vehicle from showing up in the player's statistics.

[kylania 568]

This is that function:

//Parameters
private ["_object", "_selectionName", "_damage", "_source", "_projectile"];
_object		= [_this, 0, objNull, [objNull]] call BIS_fnc_param;
_selectionName	= [_this, 1, "", [""]] call BIS_fnc_param;
_damage		= [_this, 2, 0, [0]] call BIS_fnc_param;
_source		= [_this, 3, objNull, [objNull]] call BIS_fnc_param;
_projectile	= [_this, 4, "", [""]] call BIS_fnc_param;

if (_object isKindOf "Man" || _object isKindOf "B_APC_Tracked_01_rcws_F" || _object isKindOf "B_MBT_01_cannon_F" || _object isKindOf "O_MBT_02_cannon_F") then {
//Only allow damage if caused by the player
if (_source == player || _source == vehicle player) then {
	_damage;
} else {
	0;
};
} else {
//Enemy batteries
//If damage is caused by satchel charge we manually destroy it
if (_source == player || _source == vehicle player) then {
	//Make sure it was a satchel charge causing the damage
	if (_projectile == "DemoCharge_Remote_Ammo" && _damage > 0.15) then {
		1;
	} else {
		_damage;
	};
} else {
	_damage;
};
};

[mad_cheese 593]

Awesome! thanks Kylania.

I also found out how you got that, so I learned two things today :D

[Pac Man 10]

here's a simple version. It will completely destroy the vehicle with only one charge.

Object / vehicle Init:

this addEventHandler ["handleDamage", {if ((_this select 4) == ("DemoCharge_Remote_Ammo")) then {(_this Select 0) setdamage 1} Else {(_this Select 0) setdamage (_this select 2)}}];

Edited September 26, 2013 by Pac Man
included the ELSE statement so the vehicle can recieve other, normal damage aswell. IE; RPGs

[2nd ranger 282]

this addEventHandler ["handleDamage", {if ((_this select 4) == ("DemoCharge_Remote_Ammo")) then {(_this Select 0) setdamage 1} Else {(_this Select 0) setdamage (_this select 2)}}];

The problem with this is that the vehicle will be destroyed when it takes any amount of damage from that ammo type, no matter how small. So a charge could be detonated 20 metres away from a tank and it would still be totally destroyed. That's why the BIS function has a check for initial damage being greater than 0.15. Easily added though.

[mad_cheese 593]

The problem with this is that the vehicle will be destroyed when it takes any amount of damage from that ammo type, no matter how small. So a charge could be detonated 20 metres away from a tank and it would still be totally destroyed. That's why the BIS function has a check for initial damage being greater than 0.15. Easily added though.

that's true, also the destroyed vehicle will not show up in the player's statistics (in sp missions that's a bummer imo)

[celery 8]

You don't use setDamage in the HandleDamage event handler, you just provide a damage value.

unit addEventHandler ["HandleDamage", {1}];

[CJoke 11]

if you use setdamage, you should return 0 to disable the arma-internal handledamage processing

unit addEventHandler ["HandleDamage", {(_this Select 0) setDamage 0.5;0}];

[celery 8]

if you use setdamage, you should return 0 to disable the arma-internal handledamage processing

unit addEventHandler ["HandleDamage", {(_this Select 0) setDamage 0.5;0}];

Returning 0 just makes the unit's damage 0 after every hit. You disable the handling by returning nothing. setDamage has no place in the handler, it might mess up damage ownership and it offers nothing that returning a damage value doesn't unless you want equal damage distribution across all parts for some reason.

[mad_cheese 593]

this works nicely:

unitname addEventHandler [
                          "HandleDamage", 
                          {
                           if (((_this select 4) == "DemoCharge_Remote_Ammo" && (_this select 2) > 0.15) OR ((_this select 4) == "SatchelCharge_Remote_Ammo" && (_this select 2) > 0.15)) then {1;} else {_this select 2};
	           }
                        ];

The damage is only increased when caused by satchel or democharge, otherwise it returns the normal damage value. The killed/destroyed vehicle will show up in the statistics of the satchel's owner.

Edited September 26, 2013 by Mad_Cheese

[kylania 568]

Even shorter:

if (((_this select 4) in ["DemoCharge_Remote_Ammo", "SatchelCharge_Remote_Ammo"]) && ((_this select 2) > 0.15) ) then {1} else {_this select 2};