private void InitSystems(RenderTarget target)
{
DisplaySystem displaySystem = new DisplaySystem(target);
systems.Add(displaySystem);
MoveSystem moveSystem = new MoveSystem();
systems.Add(moveSystem);
CollisionSystem collisionSystem = new CollisionSystem(target);
systems.Add(collisionSystem);
ThrowingSystem throwingSystem = new ThrowingSystem();
systems.Add(throwingSystem);
DilayedStartSystem dilayedStartSystem = new DilayedStartSystem();
systems.Add(dilayedStartSystem);
}
public override void Shoot(GunComponent gun, List <IShootable> ammo, EntityCoordinates fromCoordinates, EntityCoordinates toCoordinates, EntityUid?user = null)
{
var fromMap = fromCoordinates.ToMap(EntityManager);
var toMap = toCoordinates.ToMapPos(EntityManager);
var mapDirection = toMap - fromMap.Position;
var mapAngle = mapDirection.ToAngle();
var angle = GetRecoilAngle(Timing.CurTime, gun, mapDirection.ToAngle());
// Update shot based on the recoil
toMap = fromMap.Position + angle.ToVec() * mapDirection.Length;
mapDirection = toMap - fromMap.Position;
var entityDirection = Transform(fromCoordinates.EntityId).InvWorldMatrix.Transform(toMap) - fromCoordinates.Position;
// I must be high because this was getting tripped even when true.
// DebugTools.Assert(direction != Vector2.Zero);
var shotProjectiles = new List <EntityUid>(ammo.Count);
foreach (var shootable in ammo)
{
switch (shootable)
{
// Cartridge shoots something else
case CartridgeAmmoComponent cartridge:
if (!cartridge.Spent)
{
if (cartridge.Count > 1)
{
var angles = LinearSpread(mapAngle - cartridge.Spread / 2,
mapAngle + cartridge.Spread / 2, cartridge.Count);
for (var i = 0; i < cartridge.Count; i++)
{
var uid = Spawn(cartridge.Prototype, fromCoordinates);
ShootProjectile(uid, angles[i].ToVec(), user);
shotProjectiles.Add(uid);
}
}
else
{
var uid = Spawn(cartridge.Prototype, fromCoordinates);
ShootProjectile(uid, mapDirection, user);
shotProjectiles.Add(uid);
}
SetCartridgeSpent(cartridge, true);
MuzzleFlash(gun.Owner, cartridge, user);
PlaySound(gun.Owner, gun.SoundGunshot?.GetSound(Random, ProtoManager), user);
if (cartridge.DeleteOnSpawn)
{
Del(cartridge.Owner);
}
}
else
{
PlaySound(gun.Owner, gun.SoundEmpty?.GetSound(Random, ProtoManager), user);
}
// Something like ballistic might want to leave it in the container still
if (!cartridge.DeleteOnSpawn && !Containers.IsEntityInContainer(cartridge.Owner))
{
EjectCartridge(cartridge.Owner);
}
Dirty(cartridge);
break;
// Ammo shoots itself
case AmmoComponent newAmmo:
shotProjectiles.Add(newAmmo.Owner);
MuzzleFlash(gun.Owner, newAmmo, user);
PlaySound(gun.Owner, gun.SoundGunshot?.GetSound(Random, ProtoManager), user);
// Do a throw
if (!HasComp <ProjectileComponent>(newAmmo.Owner))
{
RemComp <AmmoComponent>(newAmmo.Owner);
// TODO: Someone can probably yeet this a billion miles so need to pre-validate input somewhere up the call stack.
ThrowingSystem.TryThrow(newAmmo.Owner, mapDirection, 20f, user);
break;
}
ShootProjectile(newAmmo.Owner, mapDirection, user);
break;
case HitscanPrototype hitscan:
var ray = new CollisionRay(fromMap.Position, mapDirection.Normalized, hitscan.CollisionMask);
var rayCastResults = Physics.IntersectRay(fromMap.MapId, ray, hitscan.MaxLength, user, false).ToList();
if (rayCastResults.Count >= 1)
{
var result = rayCastResults[0];
var distance = result.Distance;
FireEffects(fromCoordinates, distance, entityDirection.ToAngle(), hitscan, result.HitEntity);
var dmg = hitscan.Damage;
if (dmg != null)
{
dmg = Damageable.TryChangeDamage(result.HitEntity, dmg);
}
if (dmg != null)
{
PlayImpactSound(result.HitEntity, dmg, hitscan.Sound, hitscan.ForceSound);
if (user != null)
{
Logs.Add(LogType.HitScanHit,
$"{ToPrettyString(user.Value):user} hit {ToPrettyString(result.HitEntity):target} using hitscan and dealt {dmg.Total:damage} damage");
}
else
{
Logs.Add(LogType.HitScanHit,
$"Hit {ToPrettyString(result.HitEntity):target} using hitscan and dealt {dmg.Total:damage} damage");
}
}
}
else
{
FireEffects(fromCoordinates, hitscan.MaxLength, entityDirection.ToAngle(), hitscan);
}
PlaySound(gun.Owner, gun.SoundGunshot?.GetSound(Random, ProtoManager), user);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
RaiseLocalEvent(gun.Owner, new AmmoShotEvent()
{
FiredProjectiles = shotProjectiles,
}, false);
}