ACE3/addons/goggles/functions/fnc_rainEffect.sqf

/*
	fnc_rainEffect.sqf

	Author: Garth de Wet (LH)

	Description:


	Parameters:
		Nothing

	Returns:
		Nothing

	Example:
		[] spawn FUNC(RainEffect);
*/
#include "script_component.hpp"
private ["_fnc_underCover"];
if (isNull(ace_player) || {!(alive ace_player)}) exitWith {};
_fnc_underCover = {
	private ["_pos", "_unit"];
	_unit = (_this select 0);
	if (vehicle _unit != _unit && {!([_unit] call EFUNC(common,isTurnedOut))}) exitWith {true};
	_pos = eyePos _unit;
	((positionCameraToWorld [0,0,1] select 2) < ((positionCameraToWorld [0,0,0] select 2) - 0.4)) || {(lineIntersects [_pos, _pos vectorAdd [0,0,15], _unit])}
};
if (isNull(findDisplay 312)) exitWith {
	if (GVAR(RainActive)) then {
		call FUNC(RemoveRainEffect);
	};
};
// Ignore if ace_player is under water
if (!GVAR(EffectsActive) || {underwater ace_player}) exitWith{call FUNC(RemoveRainEffect);};
if (GVAR(RainLastRain) != rain) then {
	call FUNC(RemoveRainEffect);
	GVAR(RainLastRain) = rain;
	// Rain is happening
	if (GVAR(RainLastRain) > 0.05 && {!([ace_player] call _fnc_underCover)}) then {
		GVAR(RainActive) = true;
		GVAR(RainDrops) = "#particlesource" createVehicleLocal GetPos ace_player;
		GVAR(RainDrops) setParticleClass "ACERainEffect";
		GVAR(RainDrops) setDropInterval (0.07 * (1.1 - GVAR(RainLastRain)));
		GVAR(RainDrops) attachTo [vehicle ace_player,[0,0,0]];
	};
}else{
	if (GVAR(RainLastRain) > 0.05) then {
		if (GVAR(RainActive) && {[ace_player] call _fnc_underCover}) exitWith {
			call FUNC(RemoveRainEffect);
		};
		if (!GVAR(RainActive)) then {
			GVAR(RainLastRain) = -1;
		};
	};
};