101 lines
4.5 KiB
C#
101 lines
4.5 KiB
C#
using System;
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using Content.Server.GameObjects.EntitySystems;
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using Content.Shared.Interfaces;
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using Content.Shared.Physics;
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using Robust.Shared.GameObjects.Systems;
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using Robust.Shared.Interfaces.GameObjects;
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using Robust.Shared.Interfaces.Map;
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using Robust.Shared.IoC;
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using Robust.Shared.Localization;
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using Robust.Shared.Map;
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using Robust.Shared.Maths;
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namespace Content.Server.Utility
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{
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/// <summary>
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/// Convenient methods for checking for various conditions commonly needed
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/// for interactions.
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/// </summary>
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public static class InteractionChecks
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{
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/// <summary>
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/// Default interaction check for targeted attack interaction types.
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/// Same as <see cref="SharedInteractionSystem.InRangeUnobstructed"/>, but defaults to allow inside blockers.
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/// Validates that attacker is in range of the attacked entity. Additionally shows a popup if
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/// validation fails.
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/// </summary>
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public static bool InRangeUnobstructed(ITargetedInteractEventArgs eventArgs, bool insideBlockerValid = true)
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{
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if (!EntitySystem.Get<SharedInteractionSystem>().InRangeUnobstructed(eventArgs.User.Transform.MapPosition,
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eventArgs.Target.Transform.WorldPosition, ignoredEnt: eventArgs.Target, insideBlockerValid: insideBlockerValid))
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{
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var localizationManager = IoCManager.Resolve<ILocalizationManager>();
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eventArgs.Target.PopupMessage(eventArgs.User, localizationManager.GetString("You can't reach there!"));
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return false;
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}
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return true;
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}
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/// <summary>
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/// Default interaction check for after attack interaction types.
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/// Same as <see cref="SharedInteractionSystem.InRangeUnobstructed"/>, but defaults to allow inside blockers.
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/// Validates that attacker is in range of the attacked entity, if there is such an entity.
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/// If there is no attacked entity, validates that they are in range of the clicked position.
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/// Additionally shows a popup if validation fails.
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/// </summary>
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public static bool InRangeUnobstructed(AfterInteractEventArgs eventArgs, bool insideBlockerValid = true)
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{
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if (eventArgs.Target != null)
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{
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if (!EntitySystem.Get<SharedInteractionSystem>().InRangeUnobstructed(eventArgs.User.Transform.MapPosition,
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eventArgs.Target.Transform.WorldPosition, ignoredEnt: eventArgs.Target, insideBlockerValid: insideBlockerValid))
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{
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var localizationManager = IoCManager.Resolve<ILocalizationManager>();
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eventArgs.Target.PopupMessage(eventArgs.User, localizationManager.GetString("You can't reach there!"));
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return false;
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}
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}
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else
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{
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var mapManager = IoCManager.Resolve<IMapManager>();
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if (!EntitySystem.Get<SharedInteractionSystem>().InRangeUnobstructed(eventArgs.User.Transform.MapPosition,
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eventArgs.ClickLocation.ToMapPos(mapManager), ignoredEnt: eventArgs.User, insideBlockerValid: insideBlockerValid))
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{
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var localizationManager = IoCManager.Resolve<ILocalizationManager>();
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eventArgs.User.PopupMessage(eventArgs.User, localizationManager.GetString("You can't reach there!"));
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// Convenient static alternative to <see cref="SharedInteractionSystem.InRangeUnobstructed"/>, which also
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/// shows a popup message if not in range.
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/// </summary>
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public static bool InRangeUnobstructed(IEntity user, Vector2 targetWorldCoords,
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float range = SharedInteractionSystem.InteractionRange,
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int collisionMask = (int) CollisionGroup.Impassable, IEntity ignoredEnt = null,
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bool insideBlockerValid = false)
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{
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var interactionSystem = EntitySystem.Get<SharedInteractionSystem>();
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if (!interactionSystem.InRangeUnobstructed(user.Transform.MapPosition, targetWorldCoords, range, collisionMask,
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ignoredEnt, insideBlockerValid))
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{
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var localizationManager = IoCManager.Resolve<ILocalizationManager>();
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user.PopupMessage(user, localizationManager.GetString("You can't reach there!"));
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return false;
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}
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return true;
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}
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}
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}
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