58 lines
2.6 KiB
C#
58 lines
2.6 KiB
C#
using System.Numerics;
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using Content.Shared.Salvage;
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using Robust.Client.Graphics;
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using Robust.Shared.Utility;
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namespace Content.Client.Overlays;
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public sealed partial class StencilOverlay
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{
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private void DrawRestrictedRange(in OverlayDrawArgs args, RestrictedRangeComponent rangeComp, Matrix3x2 invMatrix)
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{
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var worldHandle = args.WorldHandle;
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var renderScale = args.Viewport.RenderScale.X;
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// TODO: This won't handle non-standard zooms so uhh yeah, not sure how to structure it on the shader side.
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var zoom = args.Viewport.Eye?.Zoom ?? Vector2.One;
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var length = zoom.X;
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var bufferRange = MathF.Min(10f, rangeComp.Range);
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var pixelCenter = Vector2.Transform(rangeComp.Origin, invMatrix);
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// Something something offset?
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var vertical = args.Viewport.Size.Y;
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var pixelMaxRange = rangeComp.Range * renderScale / length * EyeManager.PixelsPerMeter;
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var pixelBufferRange = bufferRange * renderScale / length * EyeManager.PixelsPerMeter;
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var pixelMinRange = pixelMaxRange - pixelBufferRange;
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_shader.SetParameter("position", new Vector2(pixelCenter.X, vertical - pixelCenter.Y));
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_shader.SetParameter("maxRange", pixelMaxRange);
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_shader.SetParameter("minRange", pixelMinRange);
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_shader.SetParameter("bufferRange", pixelBufferRange);
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_shader.SetParameter("gradient", 0.80f);
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var worldAABB = args.WorldAABB;
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var worldBounds = args.WorldBounds;
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var position = args.Viewport.Eye?.Position.Position ?? Vector2.Zero;
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var localAABB = invMatrix.TransformBox(worldAABB);
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// Cut out the irrelevant bits via stencil
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// This is why we don't just use parallax; we might want specific tiles to get drawn over
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// particularly for planet maps or stations.
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worldHandle.RenderInRenderTarget(_blep!, () =>
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{
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worldHandle.UseShader(_shader);
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worldHandle.DrawRect(localAABB, Color.White);
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}, Color.Transparent);
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worldHandle.SetTransform(Matrix3x2.Identity);
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worldHandle.UseShader(_protoManager.Index<ShaderPrototype>("StencilMask").Instance());
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worldHandle.DrawTextureRect(_blep!.Texture, worldBounds);
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var curTime = _timing.RealTime;
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var sprite = _sprite.GetFrame(new SpriteSpecifier.Texture(new ResPath("/Textures/Parallaxes/noise.png")), curTime);
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// Draw the rain
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worldHandle.UseShader(_protoManager.Index<ShaderPrototype>("StencilDraw").Instance());
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_parallax.DrawParallax(worldHandle, worldAABB, sprite, curTime, position, new Vector2(0.5f, 0f));
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}
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}
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