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Raycast has an overload for predicates, various fixes (#848)

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This commit is contained in:
Víctor Aguilera Puerto
2020-04-25 11:37:59 +02:00
committed by GitHub
parent a535567317
commit 55c54e415b
3 changed files with 34 additions and 10 deletions
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32
Content.Shared/GameObjects/EntitySystems/SharedInteractionSystem.cs
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@@ -1,4 +1,5 @@
using Content.Shared.Physics;
using System;
using Content.Shared.Physics;
using JetBrains.Annotations;
using Robust.Shared.GameObjects.Systems;
using Robust.Shared.Interfaces.GameObjects;
@@ -34,12 +35,12 @@ namespace Content.Server.GameObjects.EntitySystems
/// <param name="otherCoords">Other set of coordinates to use.</param>
/// <param name="range">maximum distance between the two sets of coordinates.</param>
/// <param name="collisionMask">the mask to check for collisions</param>
/// <param name="ignoredEnt">the entity to be ignored when checking for collisions.</param>
/// <param name="predicate">.</param>
/// <param name="mapManager">Map manager containing the two GridIds.</param>
/// <param name="insideBlockerValid">if coordinates inside obstructions count as obstructed or not</param>
/// <returns>True if the two points are within a given range without being obstructed.</returns>
public bool InRangeUnobstructed(MapCoordinates coords, Vector2 otherCoords, float range = InteractionRange,
int collisionMask = (int)CollisionGroup.Impassable, IEntity ignoredEnt = null, bool insideBlockerValid = false)
int collisionMask = (int)CollisionGroup.Impassable, Func<IEntity, bool> predicate = null, bool insideBlockerValid = false)
{
var dir = otherCoords - coords.Position;
@@ -47,18 +48,37 @@ namespace Content.Server.GameObjects.EntitySystems
if (range > 0f && !(dir.LengthSquared <= range * range)) return false;
var ray = new CollisionRay(coords.Position, dir.Normalized, collisionMask);
var rayResults = _physicsManager.IntersectRay(coords.MapId, ray, dir.Length, ignoredEnt, true);
if(!rayResults.DidHitObject || (insideBlockerValid && rayResults.DidHitObject && rayResults.Distance < 1f))
var rayResults = _physicsManager.IntersectRayWithPredicate(coords.MapId, ray, dir.Length, predicate, true);
if(!rayResults.DidHitObject || (insideBlockerValid && rayResults.DidHitObject && (rayResults.HitPos - otherCoords).Length < 1f))
{
_mapManager.TryFindGridAt(coords, out var mapGrid);
var srcPos = mapGrid.MapToGrid(coords);
var destPos = new GridCoordinates(otherCoords, mapGrid);
if (srcPos.InRange(_mapManager, destPos, InteractionRange))
if (srcPos.InRange(_mapManager, destPos, range))
{
return true;
}
}
return false;
}
/// <summary>
/// Checks that these coordinates are within a certain distance without any
/// entity that matches the collision mask obstructing them.
/// If the <paramref name="range"/> is zero or negative,
/// this method will only check if nothing obstructs the two sets of coordinates..
/// </summary>
/// <param name="coords">Set of coordinates to use.</param>
/// <param name="otherCoords">Other set of coordinates to use.</param>
/// <param name="range">maximum distance between the two sets of coordinates.</param>
/// <param name="collisionMask">the mask to check for collisions</param>
/// <param name="ignoredEnt">the entity to be ignored when checking for collisions.</param>
/// <param name="mapManager">Map manager containing the two GridIds.</param>
/// <param name="insideBlockerValid">if coordinates inside obstructions count as obstructed or not</param>
/// <returns>True if the two points are within a given range without being obstructed.</returns>
public bool InRangeUnobstructed(MapCoordinates coords, Vector2 otherCoords, float range = InteractionRange,
int collisionMask = (int)CollisionGroup.Impassable, IEntity ignoredEnt = null, bool insideBlockerValid = false) =>
InRangeUnobstructed(coords, otherCoords, range, collisionMask,
ignoredEnt == null ? null : (Func<IEntity, bool>)(entity => ignoredEnt == entity), insideBlockerValid);
}
}