ss14-wl/Content.Shared/Execution/SharedExecutionSystem.cs

// using Content.Shared.ActionBlocker;
// using Content.Shared.Chat;
// using Content.Shared.CombatMode;
// using Content.Shared.Damage;
// using Content.Shared.Database;
// using Content.Shared.DoAfter;
// using Content.Shared.Mobs.Components;
// using Content.Shared.Mobs.Systems;
// using Content.Shared.Popups;
// using Content.Shared.Verbs;
// using Content.Shared.Weapons.Melee;
// using Content.Shared.Weapons.Melee.Events;
// using Content.Shared.Interaction.Events;
// using Content.Shared.Mind;
// using Robust.Shared.Player;
// using Robust.Shared.Audio.Systems;

// namespace Content.Shared.Execution;

// /// <summary>
// ///     Verb for violently murdering cuffed creatures.
// /// </summary>
// public sealed class SharedExecutionSystem : EntitySystem
// {
//     [Dependency] private readonly ActionBlockerSystem _actionBlocker = default!;
//     [Dependency] private readonly SharedAudioSystem _audio = default!;
//     [Dependency] private readonly SharedDoAfterSystem _doAfter = default!;
//     [Dependency] private readonly MobStateSystem _mobState = default!;
//     [Dependency] private readonly SharedPopupSystem _popup = default!;
//     [Dependency] private readonly SharedSuicideSystem _suicide = default!;
//     [Dependency] private readonly SharedCombatModeSystem _combat = default!;
//     [Dependency] private readonly SharedExecutionSystem _execution = default!;
//     [Dependency] private readonly SharedMeleeWeaponSystem _melee = default!;

//     /// <inheritdoc/>
//     public override void Initialize()
//     {
//         base.Initialize();

//         SubscribeLocalEvent<ExecutionComponent, GetVerbsEvent<UtilityVerb>>(OnGetInteractionsVerbs);
//         SubscribeLocalEvent<ExecutionComponent, GetMeleeDamageEvent>(OnGetMeleeDamage);
//         SubscribeLocalEvent<ExecutionComponent, SuicideByEnvironmentEvent>(OnSuicideByEnvironment);
//         SubscribeLocalEvent<ExecutionComponent, ExecutionDoAfterEvent>(OnExecutionDoAfter);
//     }

//     private void OnGetInteractionsVerbs(EntityUid uid, ExecutionComponent comp, GetVerbsEvent<UtilityVerb> args)
//     {
//         if (args.Hands == null || args.Using == null || !args.CanAccess || !args.CanInteract)
//             return;

//         var attacker = args.User;
//         var weapon = args.Using.Value;
//         var victim = args.Target;

//         if (!CanBeExecuted(victim, attacker))
//             return;

//         UtilityVerb verb = new()
//         {
//             Act = () => TryStartExecutionDoAfter(weapon, victim, attacker, comp),
//             Impact = LogImpact.High,
//             Text = Loc.GetString("execution-verb-name"),
//             Message = Loc.GetString("execution-verb-message"),
//         };

//         args.Verbs.Add(verb);
//     }

//     private void TryStartExecutionDoAfter(EntityUid weapon, EntityUid victim, EntityUid attacker, ExecutionComponent comp)
//     {
//         if (!CanBeExecuted(victim, attacker))
//             return;

//         if (attacker == victim)
//         {
//             ShowExecutionInternalPopup(comp.InternalSelfExecutionMessage, attacker, victim, weapon);
//             ShowExecutionExternalPopup(comp.ExternalSelfExecutionMessage, attacker, victim, weapon);
//         }
//         else
//         {
//             ShowExecutionInternalPopup(comp.InternalMeleeExecutionMessage, attacker, victim, weapon);
//             ShowExecutionExternalPopup(comp.ExternalMeleeExecutionMessage, attacker, victim, weapon);
//         }

//         var doAfter =
//             new DoAfterArgs(EntityManager, attacker, comp.DoAfterDuration, new ExecutionDoAfterEvent(), weapon, target: victim, used: weapon)
//             {
//                 BreakOnMove = true,
//                 BreakOnDamage = true,
//                 NeedHand = true
//             };

//         _doAfter.TryStartDoAfter(doAfter);

//     }

//     public bool CanBeExecuted(EntityUid victim, EntityUid attacker)
//     {
//         // No point executing someone if they can't take damage
//         if (!HasComp<DamageableComponent>(victim))
//             return false;

//         // You can't execute something that cannot die
//         if (!TryComp<MobStateComponent>(victim, out var mobState))
//             return false;

//         // You're not allowed to execute dead people (no fun allowed)
//         if (_mobState.IsDead(victim, mobState))
//             return false;

//         // You must be able to attack people to execute
//         if (!_actionBlocker.CanAttack(attacker, victim))
//             return false;

//         // The victim must be incapacitated to be executed
//         if (victim != attacker && _actionBlocker.CanInteract(victim, null))
//             return false;

//         // All checks passed
//         return true;
//     }

//     private void OnGetMeleeDamage(Entity<ExecutionComponent> entity, ref GetMeleeDamageEvent args)
//     {
//         if (!TryComp<MeleeWeaponComponent>(entity, out var melee) || !entity.Comp.Executing)
//         {
//             return;
//         }

//         var bonus = melee.Damage * entity.Comp.DamageMultiplier - melee.Damage;
//         args.Damage += bonus;
//         args.ResistanceBypass = true;
//     }

//     private void OnSuicideByEnvironment(Entity<ExecutionComponent> entity, ref SuicideByEnvironmentEvent args)
//     {
//         if (!TryComp<MeleeWeaponComponent>(entity, out var melee))
//             return;

//         string? internalMsg = entity.Comp.CompleteInternalSelfExecutionMessage;
//         string? externalMsg = entity.Comp.CompleteExternalSelfExecutionMessage;

//         if (!TryComp<DamageableComponent>(args.Victim, out var damageableComponent))
//             return;

//         ShowExecutionInternalPopup(internalMsg, args.Victim, args.Victim, entity, false);
//         ShowExecutionExternalPopup(externalMsg, args.Victim, args.Victim, entity);
//         _audio.PlayPredicted(melee.HitSound, args.Victim, args.Victim);
//         _suicide.ApplyLethalDamage((args.Victim, damageableComponent), melee.Damage);
//         args.Handled = true;
//     }

//     private void ShowExecutionInternalPopup(string locString, EntityUid attacker, EntityUid victim, EntityUid weapon, bool predict = true)
//     {
//         if (predict)
//         {
//             _popup.PopupClient(
//                Loc.GetString(locString, ("attacker", attacker), ("victim", victim), ("weapon", weapon)),
//                attacker,
//                attacker,
//                PopupType.MediumCaution
//                );
//         }
//         else
//         {
//             _popup.PopupEntity(
//                Loc.GetString(locString, ("attacker", attacker), ("victim", victim), ("weapon", weapon)),
//                attacker,
//                attacker,
//                PopupType.MediumCaution
//                );
//         }
//     }

//     private void ShowExecutionExternalPopup(string locString, EntityUid attacker, EntityUid victim, EntityUid weapon)
//     {
//         _popup.PopupEntity(
//             Loc.GetString(locString, ("attacker", attacker), ("victim", victim), ("weapon", weapon)),
//             attacker,
//             Filter.PvsExcept(attacker),
//             true,
//             PopupType.MediumCaution
//             );
//     }

//     private void OnExecutionDoAfter(Entity<ExecutionComponent> entity, ref ExecutionDoAfterEvent args)
//     {
//         if (args.Handled || args.Cancelled || args.Used == null || args.Target == null)
//             return;

//         if (!TryComp<MeleeWeaponComponent>(entity, out var meleeWeaponComp))
//             return;

//         var attacker = args.User;
//         var victim = args.Target.Value;
//         var weapon = args.Used.Value;

//         if (!_execution.CanBeExecuted(victim, attacker))
//             return;

//         // This is needed so the melee system does not stop it.
//         var prev = _combat.IsInCombatMode(attacker);
//         _combat.SetInCombatMode(attacker, true);
//         entity.Comp.Executing = true;

//         var internalMsg = entity.Comp.CompleteInternalMeleeExecutionMessage;
//         var externalMsg = entity.Comp.CompleteExternalMeleeExecutionMessage;

//         if (attacker == victim)
//         {
//             var suicideEvent = new SuicideEvent(victim);
//             RaiseLocalEvent(victim, suicideEvent);

//             var suicideGhostEvent = new SuicideGhostEvent(victim);
//             RaiseLocalEvent(victim, suicideGhostEvent);
//         }
//         else
//         {
//             _melee.AttemptLightAttack(attacker, weapon, meleeWeaponComp, victim);
//         }

//         _combat.SetInCombatMode(attacker, prev);
//         entity.Comp.Executing = false;
//         args.Handled = true;

//         if (attacker != victim)
//         {
//             _execution.ShowExecutionInternalPopup(internalMsg, attacker, victim, entity);
//             _execution.ShowExecutionExternalPopup(externalMsg, attacker, victim, entity);
//         }
//     }
// }