88 lines
3.3 KiB
C#
88 lines
3.3 KiB
C#
using Content.Client.Hands.Systems;
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using Content.Shared.Weapons.Ranged.Components;
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using Robust.Client.GameObjects;
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using Robust.Client.Graphics;
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using Robust.Client.Input;
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using Robust.Client.UserInterface;
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using Robust.Shared.Enums;
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using Robust.Shared.Utility;
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namespace Content.Client.CombatMode;
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/// <summary>
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/// This shows something like crosshairs for the combat mode next to the mouse cursor.
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/// For weapons with the gun class, a crosshair of one type is displayed,
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/// while for all other types of weapons and items in hand, as well as for an empty hand,
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/// a crosshair of a different type is displayed. These crosshairs simply show the state of combat mode (on|off).
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/// </summary>
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public sealed class CombatModeIndicatorsOverlay : Overlay
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{
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private readonly IInputManager _inputManager;
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private readonly IEntityManager _entMan;
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private readonly IEyeManager _eye;
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private readonly CombatModeSystem _combat;
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private readonly HandsSystem _hands = default!;
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private readonly Texture _gunSight;
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private readonly Texture _meleeSight;
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public override OverlaySpace Space => OverlaySpace.ScreenSpace;
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public Color MainColor = Color.White.WithAlpha(0.3f);
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public Color StrokeColor = Color.Black.WithAlpha(0.5f);
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public float Scale = 0.8f; // 1 is a little big
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public CombatModeIndicatorsOverlay(IInputManager input, IEntityManager entMan,
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IEyeManager eye, CombatModeSystem combatSys, HandsSystem hands)
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{
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_inputManager = input;
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_entMan = entMan;
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_eye = eye;
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_combat = combatSys;
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_hands = hands;
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var spriteSys = _entMan.EntitySysManager.GetEntitySystem<SpriteSystem>();
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_gunSight = spriteSys.Frame0(new SpriteSpecifier.Rsi(new ResPath("/Textures/Interface/Misc/crosshair_pointers.rsi"),
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"gun_sight"));
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_meleeSight = spriteSys.Frame0(new SpriteSpecifier.Rsi(new ResPath("/Textures/Interface/Misc/crosshair_pointers.rsi"),
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"melee_sight"));
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}
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protected override bool BeforeDraw(in OverlayDrawArgs args)
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{
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if (!_combat.IsInCombatMode())
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return false;
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return base.BeforeDraw(in args);
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}
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protected override void Draw(in OverlayDrawArgs args)
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{
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var mouseScreenPosition = _inputManager.MouseScreenPosition;
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var mousePosMap = _eye.ScreenToMap(mouseScreenPosition);
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if (mousePosMap.MapId != args.MapId)
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return;
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var handEntity = _hands.GetActiveHandEntity();
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var isHandGunItem = _entMan.HasComponent<GunComponent>(handEntity);
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var mousePos = mouseScreenPosition.Position;
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var uiScale = (args.ViewportControl as Control)?.UIScale ?? 1f;
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var limitedScale = uiScale > 1.25f ? 1.25f : uiScale;
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var sight = isHandGunItem ? _gunSight : _meleeSight;
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DrawSight(sight, args.ScreenHandle, mousePos, limitedScale * Scale);
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}
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private void DrawSight(Texture sight, DrawingHandleScreen screen, Vector2 centerPos, float scale)
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{
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var sightSize = sight.Size * scale;
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var expandedSize = sightSize + 7f;
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screen.DrawTextureRect(sight,
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UIBox2.FromDimensions(centerPos - sightSize * 0.5f, sightSize), StrokeColor);
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screen.DrawTextureRect(sight,
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UIBox2.FromDimensions(centerPos - expandedSize * 0.5f, expandedSize), MainColor);
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}
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}
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