111 lines
3.5 KiB
C#
111 lines
3.5 KiB
C#
using System;
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using Content.Server.GameObjects.Components.Mobs;
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using Content.Server.GameObjects.Components.Projectiles;
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using Content.Server.GameObjects.Components.Sound;
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using Robust.Server.GameObjects;
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using Robust.Server.GameObjects.EntitySystems;
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using Robust.Server.Interfaces.GameObjects;
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using Robust.Shared.GameObjects;
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using Robust.Shared.Interfaces.GameObjects;
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using Robust.Shared.Interfaces.GameObjects.Components;
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using Robust.Shared.Interfaces.Random;
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using Robust.Shared.IoC;
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using Robust.Shared.Log;
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using Robust.Shared.Map;
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using Robust.Shared.Maths;
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using Robust.Shared.Random;
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using Robust.Shared.Serialization;
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using Robust.Shared.ViewVariables;
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namespace Content.Server.GameObjects.Components.Weapon.Ranged.Projectile
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{
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public abstract class ProjectileWeaponComponent : Component
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{
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private float _velocity = 20f;
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private float _spreadStdDev = 3;
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private bool _spread = true;
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#pragma warning disable 649
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[Dependency] private IRobustRandom _spreadRandom;
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#pragma warning restore 649
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[ViewVariables(VVAccess.ReadWrite)]
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public bool Spread
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{
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get => _spread;
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set => _spread = value;
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}
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[ViewVariables(VVAccess.ReadWrite)]
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public float SpreadStdDev
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{
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get => _spreadStdDev;
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set => _spreadStdDev = value;
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}
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public override void Initialize()
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{
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base.Initialize();
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var rangedWeapon = Owner.GetComponent<RangedWeaponComponent>();
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rangedWeapon.FireHandler = Fire;
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}
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public override void ExposeData(ObjectSerializer serializer)
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{
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base.ExposeData(serializer);
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serializer.DataField(ref _spread, "spread", true);
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serializer.DataField(ref _spreadStdDev, "spreadstddev", 3);
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}
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private void Fire(IEntity user, GridCoordinates clickLocation)
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{
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var projectile = GetFiredProjectile();
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if (projectile == null)
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{
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return;
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}
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var userPosition = user.Transform.GridPosition; //Remember world positions are ephemeral and can only be used instantaneously
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var angle = new Angle(clickLocation.Position - userPosition.Position);
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if (user.TryGetComponent(out CameraRecoilComponent recoil))
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{
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var recoilVec = angle.ToVec() * -0.15f;
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recoil.Kick(recoilVec);
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}
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if (Spread)
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{
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angle += Angle.FromDegrees(_spreadRandom.NextGaussian(0, SpreadStdDev));
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}
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projectile.Transform.GridPosition = userPosition;
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//Give it the velocity we fire from this weapon, and make sure it doesn't shoot our character
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projectile.GetComponent<ProjectileComponent>().IgnoreEntity(user);
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//Give it the velocity this weapon gives to things it fires from itself
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projectile.GetComponent<PhysicsComponent>().LinearVelocity = angle.ToVec() * _velocity;
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//Rotate the bullets sprite to the correct direction, from north facing I guess
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projectile.Transform.LocalRotation = angle.Theta;
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// Sound!
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Owner.GetComponent<SoundComponent>().Play("/Audio/gunshot_c20.ogg");
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}
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/// <summary>
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/// Try to get a projectile for firing. If null, nothing will be fired.
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/// </summary>
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protected abstract IEntity GetFiredProjectile();
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}
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public enum BallisticCaliber
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{
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Unspecified = 0,
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A12mm,
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}
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}
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