2022-09-18 19:08:34 +00:00
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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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2022-09-18 19:10:01 +00:00
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using System;
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2022-09-18 19:08:34 +00:00
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using System.Collections.Generic;
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using System.Diagnostics;
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2022-10-18 10:33:03 +00:00
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using System.Linq;
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2022-09-18 19:08:34 +00:00
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using osu.Framework.Allocation;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Colour;
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using osu.Framework.Graphics.Primitives;
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using osu.Framework.Graphics.Rendering;
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using osu.Framework.Graphics.Rendering.Vertices;
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using osu.Framework.Graphics.Shaders;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Utils;
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using osu.Game.Utils;
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using osuTK;
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using osuTK.Graphics;
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2022-09-18 19:08:34 +00:00
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namespace osu.Game.Rulesets.Osu.Skinning
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{
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2022-10-05 09:27:51 +00:00
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public abstract partial class SmokeSegment : Drawable, ITexturedShaderDrawable
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{
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// fade anim values
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private const double initial_fade_out_duration = 4000;
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private const double re_fade_in_speed = 3;
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private const double re_fade_in_duration = 50;
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private const double final_fade_out_speed = 2;
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private const double final_fade_out_duration = 8000;
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private const float initial_alpha = 0.6f;
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private const float re_fade_in_alpha = 1f;
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private readonly int rotationSeed = RNG.Next();
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// scale anim values
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private const double scale_duration = 1200;
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private const float initial_scale = 0.65f;
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private const float final_scale = 1f;
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// rotation anim values
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private const double rotation_duration = 500;
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private const float max_rotation = 0.25f;
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public IShader? TextureShader { get; private set; }
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protected Texture? Texture { get; set; }
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2022-11-21 00:50:15 +00:00
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private float height => Texture?.DisplayHeight * 0.165f ?? 3;
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private float width => Texture?.DisplayWidth * 0.165f ?? 3;
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protected readonly List<SmokePoint> SmokePoints = new List<SmokePoint>();
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private float pointInterval => width * 7f / 8;
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private double smokeStartTime { get; set; } = double.MinValue;
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private double smokeEndTime { get; set; } = double.MaxValue;
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private float totalDistance;
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private Vector2? lastPosition;
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[BackgroundDependencyLoader]
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private void load(ShaderManager shaders)
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{
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TextureShader = shaders.Load(VertexShaderDescriptor.TEXTURE_2, FragmentShaderDescriptor.TEXTURE);
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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RelativeSizeAxes = Axes.Both;
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2022-09-19 17:16:05 +00:00
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2022-10-06 02:13:06 +00:00
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LifetimeStart = smokeStartTime = Time.Current;
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totalDistance = pointInterval;
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}
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public void AddPosition(Vector2 position, double time)
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{
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lastPosition ??= position;
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float delta = (position - (Vector2)lastPosition).LengthFast;
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totalDistance += delta;
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int count = (int)(totalDistance / pointInterval);
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if (count > 0)
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{
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Vector2 increment = position - (Vector2)lastPosition;
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increment.NormalizeFast();
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Vector2 pointPos = (pointInterval - (totalDistance - delta)) * increment + (Vector2)lastPosition;
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increment *= pointInterval;
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totalDistance %= pointInterval;
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2022-09-19 01:32:33 +00:00
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if (SmokePoints.Count == 0 || SmokePoints[^1].Time <= time)
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{
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for (int i = 0; i < count; i++)
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{
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SmokePoints.Add(new SmokePoint
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{
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Position = pointPos,
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Time = time,
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Angle = RNG.NextSingle(0, 2 * MathF.PI),
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});
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pointPos += increment;
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}
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}
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Invalidate(Invalidation.DrawNode);
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}
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lastPosition = position;
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}
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public void FinishDrawing(double time)
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{
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smokeEndTime = time;
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2022-10-05 09:52:01 +00:00
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double initialFadeOutDurationTrunc = Math.Min(initial_fade_out_duration, smokeEndTime - smokeStartTime);
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LifetimeEnd = smokeEndTime + final_fade_out_duration + initialFadeOutDurationTrunc / re_fade_in_speed + initialFadeOutDurationTrunc / final_fade_out_speed;
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}
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2022-10-04 07:17:00 +00:00
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protected override DrawNode CreateDrawNode() => new SmokeDrawNode(this);
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protected override void Update()
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{
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base.Update();
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Invalidate(Invalidation.DrawNode);
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}
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protected struct SmokePoint
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{
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public Vector2 Position;
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public double Time;
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public float Angle;
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public struct UpperBoundComparer : IComparer<SmokePoint>
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{
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public int Compare(SmokePoint x, SmokePoint target)
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{
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// By returning -1 when the target value is equal to x, guarantees that the
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// element at BinarySearch's returned index will always be the first element
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// larger. Since 0 is never returned, the target is never "found", so the return
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// value will be the index's complement.
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return x.Time > target.Time ? 1 : -1;
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}
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}
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public struct LowerBoundComparer : IComparer<SmokePoint>
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{
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public int Compare(SmokePoint x, SmokePoint target)
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{
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// Similar logic as UpperBoundComparer, except returned index will always be
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// the first element larger or equal
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return x.Time < target.Time ? -1 : 1;
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}
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}
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}
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2022-10-04 07:17:00 +00:00
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protected class SmokeDrawNode : TexturedShaderDrawNode
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{
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protected new SmokeSegment Source => (SmokeSegment)base.Source;
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2022-09-20 11:42:12 +00:00
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protected double SmokeStartTime { get; private set; }
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protected double SmokeEndTime { get; private set; }
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protected double CurrentTime { get; private set; }
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private readonly List<SmokePoint> points = new List<SmokePoint>();
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private IVertexBatch<TexturedVertex2D>? quadBatch;
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private float width;
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private float height;
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private Vector2 drawSize;
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private Texture? texture;
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private int rotationSeed;
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2022-10-19 06:05:09 +00:00
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private int firstVisiblePointIndex;
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2022-10-04 07:17:00 +00:00
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// anim calculation vars (color, scale, direction)
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private double initialFadeOutDurationTrunc;
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private double firstVisiblePointTimeAfterSmokeEnded;
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private double initialFadeOutTime;
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private double reFadeInTime;
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private double finalFadeOutTime;
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public SmokeDrawNode(ITexturedShaderDrawable source)
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: base(source)
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{
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}
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public override void ApplyState()
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{
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base.ApplyState();
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width = Source.width;
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height = Source.height;
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drawSize = Source.DrawSize;
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texture = Source.Texture;
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SmokeStartTime = Source.smokeStartTime;
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SmokeEndTime = Source.smokeEndTime;
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CurrentTime = Source.Clock.CurrentTime;
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rotationSeed = Source.rotationSeed;
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2022-10-04 07:17:00 +00:00
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initialFadeOutDurationTrunc = Math.Min(initial_fade_out_duration, SmokeEndTime - SmokeStartTime);
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firstVisiblePointTimeAfterSmokeEnded = SmokeEndTime - initialFadeOutDurationTrunc;
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initialFadeOutTime = Math.Min(CurrentTime, SmokeEndTime);
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reFadeInTime = CurrentTime - initialFadeOutDurationTrunc - firstVisiblePointTimeAfterSmokeEnded * (1 - 1 / re_fade_in_speed);
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finalFadeOutTime = CurrentTime - initialFadeOutDurationTrunc - firstVisiblePointTimeAfterSmokeEnded * (1 - 1 / final_fade_out_speed);
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2022-10-19 06:05:09 +00:00
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double firstVisiblePointTime = Math.Min(SmokeEndTime, CurrentTime) - initialFadeOutDurationTrunc;
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firstVisiblePointIndex = ~Source.SmokePoints.BinarySearch(new SmokePoint { Time = firstVisiblePointTime }, new SmokePoint.LowerBoundComparer());
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int futurePointIndex = ~Source.SmokePoints.BinarySearch(new SmokePoint { Time = CurrentTime }, new SmokePoint.UpperBoundComparer());
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2022-10-04 07:17:00 +00:00
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2022-10-18 10:33:03 +00:00
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points.Clear();
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2022-10-19 06:05:09 +00:00
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points.AddRange(Source.SmokePoints.Skip(firstVisiblePointIndex).Take(futurePointIndex - firstVisiblePointIndex));
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}
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2023-12-03 23:51:21 +00:00
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protected sealed override void Draw(IRenderer renderer)
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{
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base.Draw(renderer);
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if (points.Count == 0)
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return;
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2022-10-18 10:33:03 +00:00
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quadBatch ??= renderer.CreateQuadBatch<TexturedVertex2D>(200, 4);
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2022-10-19 05:59:58 +00:00
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2022-10-21 06:37:05 +00:00
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if (points.Count > quadBatch.Size && quadBatch.Size != IRenderer.MAX_QUADS)
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{
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int batchSize = Math.Min(quadBatch.Size * 2, IRenderer.MAX_QUADS);
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quadBatch = renderer.CreateQuadBatch<TexturedVertex2D>(batchSize, 4);
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}
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2022-10-19 05:59:58 +00:00
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texture ??= renderer.WhitePixel;
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RectangleF textureRect = texture.GetTextureRect();
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2022-09-19 05:06:07 +00:00
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renderer.SetBlend(BlendingParameters.Additive);
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2022-09-20 11:20:32 +00:00
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renderer.PushLocalMatrix(DrawInfo.Matrix);
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2022-09-19 05:06:07 +00:00
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2023-03-16 11:06:35 +00:00
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BindTextureShader(renderer);
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texture.Bind();
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|
for (int i = 0; i < points.Count; i++)
|
2023-08-17 09:12:04 +00:00
|
|
|
|
drawPointQuad(renderer, points[i], textureRect, i + firstVisiblePointIndex);
|
2022-09-18 19:10:01 +00:00
|
|
|
|
|
2023-03-16 11:06:35 +00:00
|
|
|
|
UnbindTextureShader(renderer);
|
2022-09-20 11:20:32 +00:00
|
|
|
|
renderer.PopLocalMatrix();
|
2022-09-18 19:10:01 +00:00
|
|
|
|
}
|
|
|
|
|
|
2022-09-20 11:39:12 +00:00
|
|
|
|
protected Color4 ColourAtPosition(Vector2 localPos) => DrawColourInfo.Colour.HasSingleColour
|
2022-09-18 19:10:01 +00:00
|
|
|
|
? ((SRGBColour)DrawColourInfo.Colour).Linear
|
2022-09-20 11:54:49 +00:00
|
|
|
|
: DrawColourInfo.Colour.Interpolate(Vector2.Divide(localPos, drawSize)).Linear;
|
2022-09-18 19:10:01 +00:00
|
|
|
|
|
2022-10-04 07:17:00 +00:00
|
|
|
|
protected virtual Color4 PointColour(SmokePoint point)
|
|
|
|
|
{
|
|
|
|
|
var color = Color4.White;
|
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
double timeDoingFinalFadeOut = finalFadeOutTime - point.Time / final_fade_out_speed;
|
2022-10-19 05:59:58 +00:00
|
|
|
|
|
2022-10-19 06:05:09 +00:00
|
|
|
|
if (timeDoingFinalFadeOut > 0 && point.Time >= firstVisiblePointTimeAfterSmokeEnded)
|
2022-10-04 07:17:00 +00:00
|
|
|
|
{
|
2022-10-18 10:33:03 +00:00
|
|
|
|
float fraction = Math.Clamp((float)(timeDoingFinalFadeOut / final_fade_out_duration), 0, 1);
|
|
|
|
|
fraction = MathF.Pow(fraction, 5);
|
|
|
|
|
color.A = (1 - fraction) * re_fade_in_alpha;
|
2022-10-04 07:17:00 +00:00
|
|
|
|
}
|
2022-10-18 10:33:03 +00:00
|
|
|
|
else
|
2022-10-04 07:17:00 +00:00
|
|
|
|
{
|
2022-10-18 10:33:03 +00:00
|
|
|
|
double timeDoingInitialFadeOut = initialFadeOutTime - point.Time;
|
2022-10-19 05:59:58 +00:00
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
if (timeDoingInitialFadeOut > 0)
|
2022-10-04 07:17:00 +00:00
|
|
|
|
{
|
2022-10-18 10:33:03 +00:00
|
|
|
|
float fraction = Math.Clamp((float)(timeDoingInitialFadeOut / initial_fade_out_duration), 0, 1);
|
|
|
|
|
color.A = (1 - fraction) * initial_alpha;
|
2022-10-04 07:17:00 +00:00
|
|
|
|
}
|
2022-10-18 10:33:03 +00:00
|
|
|
|
|
|
|
|
|
if (point.Time > firstVisiblePointTimeAfterSmokeEnded)
|
2022-10-04 07:17:00 +00:00
|
|
|
|
{
|
2022-10-18 10:33:03 +00:00
|
|
|
|
double timeDoingReFadeIn = reFadeInTime - point.Time / re_fade_in_speed;
|
2022-10-19 05:59:58 +00:00
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
if (timeDoingReFadeIn > 0)
|
|
|
|
|
{
|
|
|
|
|
float fraction = Math.Clamp((float)(timeDoingReFadeIn / re_fade_in_duration), 0, 1);
|
|
|
|
|
fraction = 1 - MathF.Pow(1 - fraction, 5);
|
|
|
|
|
color.A = fraction * (re_fade_in_alpha - color.A) + color.A;
|
|
|
|
|
}
|
2022-10-04 07:17:00 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return color;
|
|
|
|
|
}
|
2022-09-19 05:06:07 +00:00
|
|
|
|
|
2022-10-04 07:17:00 +00:00
|
|
|
|
protected virtual float PointScale(SmokePoint point)
|
|
|
|
|
{
|
|
|
|
|
double timeDoingScale = CurrentTime - point.Time;
|
|
|
|
|
float fraction = Math.Clamp((float)(timeDoingScale / scale_duration), 0, 1);
|
|
|
|
|
fraction = 1 - MathF.Pow(1 - fraction, 5);
|
|
|
|
|
return fraction * (final_scale - initial_scale) + initial_scale;
|
|
|
|
|
}
|
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
protected virtual Vector2 PointDirection(SmokePoint point, int index)
|
2022-10-04 07:17:00 +00:00
|
|
|
|
{
|
|
|
|
|
double timeDoingRotation = CurrentTime - point.Time;
|
|
|
|
|
float fraction = Math.Clamp((float)(timeDoingRotation / rotation_duration), 0, 1);
|
|
|
|
|
fraction = 1 - MathF.Pow(1 - fraction, 5);
|
2022-10-18 10:33:03 +00:00
|
|
|
|
float angle = fraction * getRotation(index) + point.Angle;
|
2022-10-04 07:17:00 +00:00
|
|
|
|
|
|
|
|
|
return new Vector2(MathF.Sin(angle), -MathF.Cos(angle));
|
|
|
|
|
}
|
2022-09-19 05:06:07 +00:00
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
private float getRotation(int index) => max_rotation * (StatelessRNG.NextSingle(rotationSeed, index) * 2 - 1);
|
2022-09-18 19:10:01 +00:00
|
|
|
|
|
2023-08-17 09:12:04 +00:00
|
|
|
|
private void drawPointQuad(IRenderer renderer, SmokePoint point, RectangleF textureRect, int index)
|
2022-09-18 19:10:01 +00:00
|
|
|
|
{
|
2022-09-20 11:54:49 +00:00
|
|
|
|
Debug.Assert(quadBatch != null);
|
2022-09-18 19:10:01 +00:00
|
|
|
|
|
2022-09-20 11:39:12 +00:00
|
|
|
|
var colour = PointColour(point);
|
2022-10-18 10:33:03 +00:00
|
|
|
|
if (colour.A == 0)
|
|
|
|
|
return;
|
2022-09-18 19:10:01 +00:00
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
float scale = PointScale(point);
|
|
|
|
|
if (scale == 0)
|
2022-09-20 08:40:20 +00:00
|
|
|
|
return;
|
|
|
|
|
|
2022-10-18 10:33:03 +00:00
|
|
|
|
var dir = PointDirection(point, index);
|
|
|
|
|
var ortho = dir.PerpendicularLeft;
|
2022-11-21 00:50:15 +00:00
|
|
|
|
dir *= scale * width;
|
|
|
|
|
ortho *= scale * height;
|
2022-10-18 10:33:03 +00:00
|
|
|
|
|
2022-11-21 00:50:15 +00:00
|
|
|
|
var localTopLeft = point.Position - ortho - dir;
|
|
|
|
|
var localTopRight = point.Position - ortho + dir;
|
|
|
|
|
var localBotLeft = point.Position + ortho - dir;
|
|
|
|
|
var localBotRight = point.Position + ortho + dir;
|
2022-09-18 19:08:34 +00:00
|
|
|
|
|
2023-08-17 09:12:04 +00:00
|
|
|
|
quadBatch.Add(new TexturedVertex2D(renderer)
|
2022-09-18 19:10:01 +00:00
|
|
|
|
{
|
2022-09-20 11:20:32 +00:00
|
|
|
|
Position = localTopLeft,
|
2022-09-20 11:54:49 +00:00
|
|
|
|
TexturePosition = textureRect.TopLeft,
|
2022-09-20 11:39:12 +00:00
|
|
|
|
Colour = Color4Extensions.Multiply(ColourAtPosition(localTopLeft), colour),
|
2022-09-18 19:10:01 +00:00
|
|
|
|
});
|
2023-08-17 09:12:04 +00:00
|
|
|
|
quadBatch.Add(new TexturedVertex2D(renderer)
|
2022-09-18 19:10:01 +00:00
|
|
|
|
{
|
2022-09-20 11:20:32 +00:00
|
|
|
|
Position = localTopRight,
|
2022-09-20 11:54:49 +00:00
|
|
|
|
TexturePosition = textureRect.TopRight,
|
2022-09-20 11:39:12 +00:00
|
|
|
|
Colour = Color4Extensions.Multiply(ColourAtPosition(localTopRight), colour),
|
2022-09-18 19:10:01 +00:00
|
|
|
|
});
|
2023-08-17 09:12:04 +00:00
|
|
|
|
quadBatch.Add(new TexturedVertex2D(renderer)
|
2022-09-18 19:10:01 +00:00
|
|
|
|
{
|
2022-09-20 11:20:32 +00:00
|
|
|
|
Position = localBotRight,
|
2022-09-20 11:54:49 +00:00
|
|
|
|
TexturePosition = textureRect.BottomRight,
|
2022-09-20 11:39:12 +00:00
|
|
|
|
Colour = Color4Extensions.Multiply(ColourAtPosition(localBotRight), colour),
|
2022-09-18 19:10:01 +00:00
|
|
|
|
});
|
2023-08-17 09:12:04 +00:00
|
|
|
|
quadBatch.Add(new TexturedVertex2D(renderer)
|
2022-09-18 19:10:01 +00:00
|
|
|
|
{
|
2022-09-20 11:20:32 +00:00
|
|
|
|
Position = localBotLeft,
|
2022-09-20 11:54:49 +00:00
|
|
|
|
TexturePosition = textureRect.BottomLeft,
|
2022-09-20 11:39:12 +00:00
|
|
|
|
Colour = Color4Extensions.Multiply(ColourAtPosition(localBotLeft), colour),
|
2022-09-18 19:10:01 +00:00
|
|
|
|
});
|
2022-09-18 19:08:34 +00:00
|
|
|
|
}
|
2022-09-20 11:38:22 +00:00
|
|
|
|
|
|
|
|
|
protected override void Dispose(bool isDisposing)
|
|
|
|
|
{
|
|
|
|
|
base.Dispose(isDisposing);
|
2022-09-20 11:54:49 +00:00
|
|
|
|
quadBatch?.Dispose();
|
2022-09-20 11:38:22 +00:00
|
|
|
|
}
|
2022-09-18 19:08:34 +00:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|