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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "EmgCannon.h"
#include "WeaponDef.h"
#include "Map/Ground.h"
#include "Sim/Misc/GlobalSynced.h"
#include "Sim/Misc/Team.h"
#include "Sim/Projectiles/WeaponProjectiles/WeaponProjectileFactory.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitDef.h"
#include "System/SpringMath.h"
CR_BIND_DERIVED(CEmgCannon, CWeapon, )
CR_REG_METADATA(CEmgCannon, )
void CEmgCannon::FireImpl(const bool scriptCall)
{
float3 dir = currentTargetPos - weaponMuzzlePos;
const float dist = dir.LengthNormalize();
// [?] StrafeAirMoveType cannot align itself properly, change back when that is fixed
if (onlyForward && owner->unitDef->IsStrafingAirUnit())
dir = owner->frontdir;
dir += (gsRNG.NextVector() * SprayAngleExperience() + SalvoErrorExperience());
dir.Normalize();
ProjectileParams params = GetProjectileParams();
params.pos = weaponMuzzlePos;
params.speed = dir * projectileSpeed;
params.ttl = weaponDef->flighttime > 0 ? weaponDef->flighttime : math::ceil(std::max(dist, range) / projectileSpeed);
WeaponProjectileFactory::LoadProjectile(params);
}
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