Files
tbd-station-14/Content.Client/Overlays/StencilOverlay.Weather.cs
2025-02-23 18:23:00 +11:00

71 lines
2.8 KiB
C#

using System.Numerics;
using Content.Shared.Light.Components;
using Content.Shared.Weather;
using Robust.Client.Graphics;
using Robust.Shared.Map.Components;
using Robust.Shared.Physics.Components;
namespace Content.Client.Overlays;
public sealed partial class StencilOverlay
{
private List<Entity<MapGridComponent>> _grids = new();
private void DrawWeather(in OverlayDrawArgs args, WeatherPrototype weatherProto, float alpha, Matrix3x2 invMatrix)
{
var worldHandle = args.WorldHandle;
var mapId = args.MapId;
var worldAABB = args.WorldAABB;
var worldBounds = args.WorldBounds;
var position = args.Viewport.Eye?.Position.Position ?? Vector2.Zero;
// Cut out the irrelevant bits via stencil
// This is why we don't just use parallax; we might want specific tiles to get drawn over
// particularly for planet maps or stations.
worldHandle.RenderInRenderTarget(_blep!, () =>
{
var xformQuery = _entManager.GetEntityQuery<TransformComponent>();
_grids.Clear();
// idk if this is safe to cache in a field and clear sloth help
_mapManager.FindGridsIntersecting(mapId, worldAABB, ref _grids);
foreach (var grid in _grids)
{
var matrix = _transform.GetWorldMatrix(grid, xformQuery);
var matty = Matrix3x2.Multiply(matrix, invMatrix);
worldHandle.SetTransform(matty);
_entManager.TryGetComponent(grid.Owner, out RoofComponent? roofComp);
foreach (var tile in _map.GetTilesIntersecting(grid.Owner, grid, worldAABB))
{
// Ignored tiles for stencil
if (_weather.CanWeatherAffect(grid.Owner, grid, tile, roofComp))
{
continue;
}
var gridTile = new Box2(tile.GridIndices * grid.Comp.TileSize,
(tile.GridIndices + Vector2i.One) * grid.Comp.TileSize);
worldHandle.DrawRect(gridTile, Color.White);
}
}
}, Color.Transparent);
worldHandle.SetTransform(Matrix3x2.Identity);
worldHandle.UseShader(_protoManager.Index<ShaderPrototype>("StencilMask").Instance());
worldHandle.DrawTextureRect(_blep!.Texture, worldBounds);
var curTime = _timing.RealTime;
var sprite = _sprite.GetFrame(weatherProto.Sprite, curTime);
// Draw the rain
worldHandle.UseShader(_protoManager.Index<ShaderPrototype>("StencilDraw").Instance());
_parallax.DrawParallax(worldHandle, worldAABB, sprite, curTime, position, Vector2.Zero, modulate: (weatherProto.Color ?? Color.White).WithAlpha(alpha));
worldHandle.SetTransform(Matrix3x2.Identity);
worldHandle.UseShader(null);
}
}