Files
tbd-station-14/Content.Client/Decals/DecalOverlay.cs
2021-12-03 15:35:57 +01:00

61 lines
2.0 KiB
C#

using System.Collections.Generic;
using Content.Shared.Decals;
using Robust.Client.Graphics;
using Robust.Client.Utility;
using Robust.Shared.Enums;
using Robust.Shared.Map;
using Robust.Shared.Maths;
using Robust.Shared.Prototypes;
using Robust.Shared.Utility;
using Robust.Shared.Maths;
namespace Content.Client.Decals
{
public class DecalOverlay : Overlay
{
private readonly DecalSystem _system;
private readonly IMapManager _mapManager;
private readonly IPrototypeManager _prototypeManager;
public override OverlaySpace Space => OverlaySpace.WorldSpaceBelowEntities;
public DecalOverlay(DecalSystem system, IMapManager mapManager, IPrototypeManager prototypeManager)
{
_system = system;
_mapManager = mapManager;
_prototypeManager = prototypeManager;
}
protected override void Draw(in OverlayDrawArgs args)
{
var handle = args.WorldHandle;
Dictionary<string, SpriteSpecifier> cachedTextures = new();
SpriteSpecifier GetSpriteSpecifier(string id)
{
if (cachedTextures.TryGetValue(id, out var spriteSpecifier))
return spriteSpecifier;
spriteSpecifier = _prototypeManager.Index<DecalPrototype>(id).Sprite;
cachedTextures.Add(id, spriteSpecifier);
return spriteSpecifier;
}
foreach (var (gridId, zIndexDictionary) in _system.DecalRenderIndex)
{
var grid = _mapManager.GetGrid(gridId);
handle.SetTransform(grid.WorldMatrix);
foreach (var (_, decals) in zIndexDictionary)
{
foreach (var (_, decal) in decals)
{
var spriteSpecifier = GetSpriteSpecifier(decal.Id);
handle.DrawTexture(spriteSpecifier.Frame0(), decal.Coordinates, decal.Angle, decal.Color);
}
}
}
}
}
}