76 lines
3.3 KiB
C#
76 lines
3.3 KiB
C#
#nullable enable
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using Microsoft.Xna.Framework;
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using System.Linq;
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namespace Barotrauma
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{
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/// <summary>
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/// Check whether a specific entity is visible from the perspective of another entity.
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/// </summary>
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class CheckVisibilityAction : BinaryOptionAction
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{
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[Serialize("", IsPropertySaveable.Yes, description: "Tag of the entity to do the visibility check from.")]
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public Identifier EntityTag { get; set; }
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[Serialize("", IsPropertySaveable.Yes, description: "Entities that also have this tag are excluded.")]
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public Identifier ExcludedEntityTag { get; set; }
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[Serialize("", IsPropertySaveable.Yes, description: "Tag of the entity to do the visibility check to.")]
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public Identifier TargetTag { get; set; }
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[Serialize(false, IsPropertySaveable.Yes, description: "Does the entity need to be facing the target? Only valid if the entity is a character.")]
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public bool CheckFacing { get; set; }
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[Serialize(1000.0f, IsPropertySaveable.Yes, description: "Maximum distance between the targets.")]
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public float MaxDistance { get; set; }
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[Serialize("", IsPropertySaveable.Yes, description: "Tag to apply to the entity who saw the target when the check succeeds.")]
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public Identifier ApplyTagToEntity { get; set; }
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[Serialize("", IsPropertySaveable.Yes, description: "Tag to apply to the entity that was seen when the check succeeds.")]
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public Identifier ApplyTagToTarget { get; set; }
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[Serialize(true, IsPropertySaveable.Yes, description: "If both the seeing entity and the target are the same, does it count as success?")]
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public bool AllowSameEntity { get; set; }
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public CheckVisibilityAction(ScriptedEvent parentEvent, ContentXElement element) : base(parentEvent, element)
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{
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}
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protected override bool? DetermineSuccess()
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{
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foreach (var entity in ParentEvent.GetTargets(EntityTag))
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{
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if (!ExcludedEntityTag.IsEmpty)
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{
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if (ParentEvent.GetTargets(ExcludedEntityTag).Contains(entity)) { continue; }
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}
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foreach (var target in ParentEvent.GetTargets(TargetTag))
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{
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if (!AllowSameEntity && entity == target) { continue; }
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if (Vector2.DistanceSquared(target.WorldPosition, entity.WorldPosition) > MaxDistance * MaxDistance) { continue; }
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if (Character.IsTargetVisible(target, entity, seeThroughWindows: true, CheckFacing))
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{
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if (!ApplyTagToEntity.IsEmpty)
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{
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ParentEvent.AddTarget(ApplyTagToEntity, entity);
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}
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if (!ApplyTagToTarget.IsEmpty)
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{
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ParentEvent.AddTarget(ApplyTagToTarget, target);
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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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return false;
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}
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public override string ToDebugString()
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{
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return $"{ToolBox.GetDebugSymbol(HasBeenDetermined())} {nameof(CheckVisibilityAction)} -> (TargetTags: {EntityTag.ColorizeObject()}, {TargetTag.ColorizeObject()})";
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}
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}
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} |