89 lines
2.9 KiB
C#
89 lines
2.9 KiB
C#
using System.Numerics;
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using Content.Shared.IconSmoothing;
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using Robust.Client.GameObjects;
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namespace Content.Client.IconSmoothing;
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public sealed partial class IconSmoothSystem
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{
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// Handles drawing edge sprites on the non-smoothed edges.
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private void InitializeEdge()
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{
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SubscribeLocalEvent<SmoothEdgeComponent, ComponentStartup>(OnEdgeStartup);
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SubscribeLocalEvent<SmoothEdgeComponent, ComponentShutdown>(OnEdgeShutdown);
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}
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private void OnEdgeStartup(EntityUid uid, SmoothEdgeComponent component, ComponentStartup args)
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{
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if (!TryComp<SpriteComponent>(uid, out var sprite))
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return;
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_sprite.LayerSetOffset((uid, sprite), EdgeLayer.South, new Vector2(0, -1f));
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_sprite.LayerSetOffset((uid, sprite), EdgeLayer.East, new Vector2(1, 0f));
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_sprite.LayerSetOffset((uid, sprite), EdgeLayer.North, new Vector2(0, 1f));
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_sprite.LayerSetOffset((uid, sprite), EdgeLayer.West, new Vector2(-1, 0f));
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_sprite.LayerSetVisible((uid, sprite), EdgeLayer.South, false);
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_sprite.LayerSetVisible((uid, sprite), EdgeLayer.East, false);
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_sprite.LayerSetVisible((uid, sprite), EdgeLayer.North, false);
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_sprite.LayerSetVisible((uid, sprite), EdgeLayer.West, false);
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}
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private void OnEdgeShutdown(EntityUid uid, SmoothEdgeComponent component, ComponentShutdown args)
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{
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if (!TryComp<SpriteComponent>(uid, out var sprite))
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return;
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_sprite.LayerMapRemove((uid, sprite), EdgeLayer.South);
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_sprite.LayerMapRemove((uid, sprite), EdgeLayer.East);
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_sprite.LayerMapRemove((uid, sprite), EdgeLayer.North);
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_sprite.LayerMapRemove((uid, sprite), EdgeLayer.West);
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}
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private void CalculateEdge(EntityUid uid, DirectionFlag directions, SpriteComponent? sprite = null, SmoothEdgeComponent? component = null)
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{
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if (!Resolve(uid, ref sprite, ref component, false))
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return;
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for (var i = 0; i < 4; i++)
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{
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var dir = (DirectionFlag)Math.Pow(2, i);
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var edge = GetEdge(dir);
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if ((dir & directions) != 0x0)
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{
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_sprite.LayerSetVisible((uid, sprite), edge, false);
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continue;
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}
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_sprite.LayerSetVisible((uid, sprite), edge, true);
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}
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}
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private EdgeLayer GetEdge(DirectionFlag direction)
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{
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switch (direction)
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{
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case DirectionFlag.South:
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return EdgeLayer.South;
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case DirectionFlag.East:
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return EdgeLayer.East;
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case DirectionFlag.North:
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return EdgeLayer.North;
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case DirectionFlag.West:
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return EdgeLayer.West;
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default:
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throw new ArgumentOutOfRangeException();
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}
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}
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private enum EdgeLayer : byte
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{
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South,
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East,
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North,
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West
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}
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}
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