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global using static Sandbox.Internal.GlobalGameNamespace;
global using Microsoft.AspNetCore.Components;
global using Microsoft.AspNetCore.Components.Rendering;
[assembly: global::System.Reflection.AssemblyMetadata( "AddonTitle", "Twitch Poop" )]
[assembly: global::System.Reflection.AssemblyMetadata( "AddonIdent", "twitchpoop" )]
[assembly: global::System.Reflection.AssemblyMetadata( "OrgIdent", "garry" )]
[assembly: global::System.Reflection.AssemblyMetadata( "Ident", "garry.twitchpoop" )]
[assembly: global::System.Reflection.AssemblyMetadata( "CompileTime", "6/6/2026 7:39:31 PM" )]
[assembly: global::System.Reflection.AssemblyMetadata( "EngineVersion", "25" )]
[assembly: global::System.Reflection.AssemblyMetadata( "EngineMinorVersion", "1" )]
[assembly: System.Runtime.Versioning.TargetFramework( ".NETCoreApp,Version=v9.0", FrameworkDisplayName = ".NET 9.0" )]
[assembly: global::System.Reflection.AssemblyVersion("0.0.128.0")]
[assembly: global::System.Reflection.AssemblyFileVersion("0.0.128.0")]@using Sandbox;
@using Sandbox.UI;
@inherits PanelComponent
@namespace Sandbox
@*
The floating name tag above an avatar. StreamPlayer.Setup() points its Viewer at the right viewer,
and we render their display name in their chat colour.
*@
<root>
<div class="username" style="@NameStyle">
@Viewer.DisplayName
</div>
</root>
@code
{
/// <summary>
/// The viewer this tag is labelling. Set by StreamPlayer when the avatar is spawned.
/// </summary>
public Streamer.Viewer Viewer { get; set; }
/// <summary>
/// Colour the name with the viewer's chat colour, if they have one set.
/// </summary>
string NameStyle => Viewer.Color.HasValue ? $"color: {Viewer.Color.Value.Hex}" : null;
/// <summary>
/// PanelComponent rebuilds the markup whenever this hash changes - so include anything we display.
/// </summary>
protected override int BuildHash() => System.HashCode.Combine( Viewer.DisplayName, Viewer.Color );
}
.switchcontrol
{
flex-direction: row;
width: 100px;
min-height: 24px;
align-items: center;
cursor: pointer;
.switch-frame
{
flex-grow: 0;
flex-shrink: 1;
width: 48px;
height: 16px;
background-color: #fff1;
margin: 0px 5px;
align-items: center;
border-radius: 100px;
transition: all 0.4s linear;
.switch-inner
{
position: relative;
flex-grow: 0;
flex-shrink: 1;
background-color: #999;
width: 25px;
height: 25px;
border-radius: 100px;
left: 20%;
transform: translateX( -50% );
transition: all 0.3s ease-out;
}
}
&.active
{
.switch-frame
{
background-color: #fffa;
}
.switch-inner
{
left: 80%;
background-color: #fff;
}
}
}
ColorAlphaControl
{
gap: 0.5rem;
flex-grow: 1;
pointer-events: all;
background: linear-gradient( to right, black, white );
border-radius: 4px;
padding: 2px;
height: 12px;
position: relative;
cursor: pointer;
border: 1px solid #333;
&:hover
{
border: 1px solid #08f;
}
&:active
{
border: 1px solid #fff;
}
.handle
{
top: -5px;
bottom: -5px;
aspect-ratio: 1;
border-radius: 100px;
border: 2px solid #444;
position: absolute;
background-color: white;
box-shadow: 2px 2px 16px #000a;
transform: translateX( -50% );
pointer-events: none;
}
}
ColorSaturationValueControl
{
width: 240px;
height: 240px;
background-color: red;
position: relative;
border-radius: 4px;
cursor: pointer;
border: 1px solid #333;
&:hover
{
border: 1px solid #08f;
}
&:active
{
border: 1px solid #fff;
}
.handle
{
width: 16px;
height: 16px;
border-radius: 100px;
border: 2px solid #444;
position: absolute;
background-color: white;
box-shadow: 2px 2px 16px #000a;
transform: translateX( -50% ) translateY( -50% );
pointer-events: none;
z-index: 100;
z-index: 100;
}
.gradient
{
position: absolute;
width: 100%;
height: 100%;
border-radius: 4px;
background: linear-gradient( to right, white, rgba( 255, 255, 255, 0 ) );
&:after
{
content: "";
position: absolute;
width: 100%;
height: 100%;
border-radius: 4px;
background: linear-gradient( to top, black, rgba( 0, 0, 0, 0 ) );
}
}
}
.slidercontrol
{
flex-direction: row;
min-width: 50px;
position: relative;
flex-shrink: 0;
flex-direction: row;
cursor: pointer;
gap: 8px;
flex-grow: 1;
align-items: center;
pointer-events: all;
> .inner
{
flex-direction: column;
flex-shrink: 1;
flex-grow: 1;
min-height: 32px;
justify-content: center;
> .values
{
width: 100%;
pointer-events: none;
font-size: 14px;
color: #aaa;
> .left
{
flex-grow: 1;
}
}
> .track
{
position: relative;
background-color: #888;
height: 7px;
margin: 8px;
align-items: center;
border-radius: 4px;
> .track-active
{
background-color: #fff;
position: absolute;
height: 100%;
left: 0px;
border-radius: 4px;
}
> .thumb
{
position: relative;
background-color: #fff;
border-radius: 100px;
width: 16px;
height: 16px;
transform: translateX( -50% );
}
}
}
> .entry
{
flex-shrink: 0;
flex-grow: 0;
width: 50px;
> numberentry
{
background-color: transparent;
> .content-label
{
padding: 0 4px;
}
}
}
}
.slidercontrol .value-tooltip
{
position: absolute;
bottom: 150%;
left: -8px;
z-index: 1000;
flex-direction: column;
> .label
{
background-color: black;
padding: 8px 12px;
border-radius: 8px;
}
>.tail
{
bottom: -0px;
background-color: black;
width: 10px;
height: 10px;
transform: rotateZ(45 deg) translateX( 4px );
position: absolute;
}
}global using Microsoft.VisualStudio.TestTools.UnitTesting;
[TestClass]
public class TestInit
{
[AssemblyInitialize]
public static void ClassInitialize( TestContext context )
{
Sandbox.Application.InitUnitTest();
}
}
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Sandbox;
namespace SFXR;
[Title( "SFXR Component" )]
[Category( "SFXR" )]
[Icon( "volume_up" )]
public sealed class SFXRComponent : Component
{
/// <summary>
/// The base Waveform
/// (Default: Square)
/// </summary>
[Property, Group( "Sound" )]
public Waveform Waveform { get; set; } = Waveform.Square;
/// <summary>
/// The sample rate of the sound
/// </summary>
[Property, Group( "Sound" )]
public SampleRate SampleRate { get; set; } = SampleRate.Hz44100;
/// <summary>
/// The bit depth of the sound
/// </summary>
// [Property, Group( "Sound" )]
public BitDepth BitDepth { get; set; } = BitDepth.Bit16;
/// <summary>
/// The length of the sound in seconds
/// </summary>
[Property, Group( "Sound" ), Range( 0f, 20f, 0.01f )]
public float Length { get; set; } = 0.5f;
/// <summary>
/// The volume of the sound
/// (Default: 0.5)
/// </summary>
[Property, Group( "Sound" ), Range( 0f, 1f, 0.01f )]
public float MasterVolume { get; set; } = 0.5f;
[Property, Group( "Frequency" ), Range( 0, 3000f, 1f )]
float StartFrequency
{
get => Frequency.Start;
set => Frequency.Start = value;
}
[Property, Group( "Frequency" ), Range( -3000f, 3000f, 1f )]
float Slide
{
get => Frequency.Slide;
set => Frequency.Slide = value;
}
[Property, Group( "Frequency" ), Range( -3000f, 3000f, 1f )]
float SlideDelta
{
get => Frequency.DeltaSlide;
set => Frequency.DeltaSlide = value;
}
/// <summary>
/// The random seed
/// </summary>
[Property, Group( "Controls" )]
public long Seed { get; set; } = 0;
[Property, Group( "Controls" )]
public SFXRControls Controls { get; set; } = new SFXRControls();
public SFXRFrequency Frequency { get; set; } = new SFXRFrequency();
Random _random = new Random();
List<SFXRNote> NotesPlaying = new();
/// <summary>
/// Plays the sound defined by the component
/// </summary>
/// <returns>The sound handle of the sound. This can be used to change position, pitch, ect</returns>
public SoundHandle PlaySound()
{
var sfx = Generate( (int)(Length * (int)SampleRate) );
var handle = sfx.Play();
// DestroyStream(sfx, Length);
return handle;
}
/// <summary>
/// Plays the sound defined by the component (Via a frequency trigger. This will play indefinitely until released)
/// </summary>
/// <param name="frequency">The frequency of the sound</param>
/// <param name="volume">The volume of the trigger </param>
public void TriggerNotePress( float frequency, float volume = 1f )
{
foreach ( var note in NotesPlaying.Where( x => x.Frequency == frequency ) )
{
note.Release();
}
var newNote = new SFXRNote( this, frequency, volume );
newNote.Trigger();
NotesPlaying.Add( newNote );
}
/// <summary>
/// Releases a note playing at the given frequency
/// </summary>
/// <param name="frequency">The frequency of the sound</param>
public void TriggerNoteRelease( float frequency )
{
foreach ( var note in NotesPlaying.Where( x => x.Frequency == frequency ) )
{
note.Release();
}
}
/// <summary>
/// Releases all notes playing
/// </summary>
public void TriggerReleaseAll()
{
foreach ( var note in NotesPlaying )
{
note.Release();
}
}
/// <summary>
/// Generates a sound stream from the component
/// </summary>
/// <param name="sampleCount">How many samples the stream should be filled with</param>
/// <returns></returns>
public SoundStream Generate( int sampleCount )
{
List<SFXREffect> effects = new();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect || !effect.Enabled ) continue;
effects.Add( effect );
}
return Generate( sampleCount, effects );
}
/// <summary>
/// Generates a sound stream from the component with the given effects
/// </summary>
/// <param name="sampleCount">The number of samples</param>
/// <param name="effects">A list of the effects to apply</param>
/// <returns></returns>
public SoundStream Generate( int sampleCount, List<SFXREffect> effects )
{
short[] samples = new short[sampleCount];
float t = 0;
for ( int i = 0; i < sampleCount; i++ )
{
t += 1f / (int)SampleRate;
short sampleValue = SFXR.GetWaveformSample( Waveform, t, Frequency.GetFrequency( t ) );
sampleValue = (short)((float)sampleValue * MasterVolume);
samples[i] = sampleValue;
}
foreach ( var effect in effects )
{
if ( !effect.Enabled ) continue;
samples = effect.Apply( samples, this );
}
var stream = new SoundStream( (int)SampleRate );
stream.WriteData( samples );
return stream;
}
/// <summary>
/// Randomizes the component's parameters
/// </summary>
public void Randomize()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
var waveform = Waveform;
ResetParameters();
Waveform = waveform;
Frequency.Start = _random.Next( 10, 3000 );
if ( _random.Next( 2 ) == 0 ) Frequency.Slide = _random.Next( -3000, 3000 );
if ( Frequency.Start > 2000 && Frequency.Slide > 200 ) Frequency.Slide = -Frequency.Slide;
else if ( Frequency.Start < 400 && Frequency.Slide < -50 ) Frequency.Slide = -Frequency.Slide;
if ( _random.Next( 2 ) == 0 ) Frequency.DeltaSlide = _random.Next( -3000, 3000 );
SanitizeParameters();
}
/// <summary>
/// Mutates the component's parameters slightly
/// </summary>
public void Mutate( float mutation = 0.05f )
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
Frequency.Start += _random.Float( -mutation, mutation ) * 1000;
if ( Frequency.Start > 2000 && Frequency.Slide > 200 ) Frequency.Slide = -Frequency.Slide;
else if ( Frequency.Start < 400 && Frequency.Slide < -50 ) Frequency.Slide = -Frequency.Slide;
Frequency.Slide += _random.Float( -mutation, mutation ) * 1000;
Frequency.DeltaSlide += _random.Float( -mutation, mutation ) * 1000;
if ( Frequency.Slide < -3000 ) Frequency.Slide = -3000;
if ( Frequency.Slide > 3000 ) Frequency.Slide = 3000;
SanitizeParameters();
}
public void RandomizePickup()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
Waveform = (Waveform)_random.Int( 0, 2 );
Frequency.Start = _random.Float( 0.4f, 0.9f ) * 3000;
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Decay = _random.Float( 0.1f, 0.3f );
envelope.Sustain = _random.Float( 0f, 0.1f );
envelope.Release = _random.Float( 0.1f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
}
public void RandomizeLaser()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
var highpass = Components.GetOrCreate<SFXRHighPass>();
Waveform = (Waveform)_random.Int( 0, 2 );
if ( Waveform == Waveform.Sine && _random.Next( 2 ) == 0 ) Waveform = (Waveform)_random.Int( 0, 1 );
Frequency.Start = _random.Float( 0.6f, 0.75f ) * 3000;
Frequency.Slide = _random.Float( -0.25f, -0.15f ) * 3000;
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Decay = _random.Float( 0f, 0.4f );
envelope.Sustain = _random.Float( 0.1f, 0.3f );
envelope.Release = _random.Float( 0.25f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
if ( _random.Next( 2 ) == 0 )
{
highpass.Enabled = true;
highpass.Cutoff = _random.Float( 0f, 0.3f );
}
}
public void RandomizeExplosion()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
var vibrato = Components.GetOrCreate<SFXRVibrato>();
Waveform = Waveform.Noise;
if ( _random.Next( 2 ) == 0 )
{
Frequency.Start = _random.Float( 0.025f, 0.15f ) * 3000;
Frequency.Slide = _random.Float( -0.1f, -0.01f ) * 3000;
}
else
{
Frequency.Start = _random.Float( 0.1f, 0.2f ) * 3000;
Frequency.Slide = _random.Float( -0.6f, 0.6f ) * 3000;
}
if ( _random.Next( 4 ) == 0 ) Frequency.Slide = 0;
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Sustain = _random.Float( 0.1f, 0.4f );
envelope.Release = _random.Float( 0.1f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
if ( _random.Next( 2 ) == 0 )
{
vibrato.Enabled = true;
vibrato.Depth = _random.Float( 0f, 0.7f );
vibrato.Speed = _random.Float( 0f, 60f );
}
else
{
vibrato.Enabled = false;
}
if ( -Frequency.Slide > Frequency.Start )
{
Frequency.Slide = -Frequency.Start;
}
}
public void RandomizePowerup()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
var vibrato = Components.GetOrCreate<SFXRVibrato>();
if ( _random.Next( 2 ) == 0 )
{
Waveform = Waveform.Sawtooth;
}
if ( _random.Next( 2 ) == 0 )
{
Frequency.Start = _random.Float( 0.2f, 0.5f ) * 3000;
Frequency.Slide = _random.Float( 0.1f, 0.5f ) * 3000;
}
else
{
Frequency.Start = _random.Float( 0.25f, 0.5f ) * 3000;
Frequency.Slide = _random.Float( 0.05f, 0.25f ) * 3000;
if ( _random.Next( 2 ) == 0 )
{
vibrato.Enabled = true;
vibrato.Depth = _random.Float( 0, 0.7f );
vibrato.Speed = _random.Float( 0, 60f );
}
else
{
vibrato.Enabled = false;
}
}
if ( -Frequency.Slide > Frequency.Start )
{
Frequency.Slide = -Frequency.Start;
}
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Sustain = _random.Float( 0f, 0.4f );
envelope.Release = _random.Float( 0.1f, 0.5f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
}
public void RandomizeHit()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
var highpass = Components.GetOrCreate<SFXRHighPass>();
Waveform = (Waveform)_random.Int( 0, 3 );
if ( Waveform == Waveform.Sine )
{
Waveform = Waveform.Noise;
}
Frequency.Start = _random.Float( 0.1f, 0.5f ) * 3000;
Frequency.Slide = _random.Float( -0.7f, -0.3f ) * 3000;
if ( -Frequency.Slide > Frequency.Start )
{
Frequency.Slide = -Frequency.Start;
}
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Decay = 0;
envelope.Sustain = _random.Float( 0.025f, 0.1f );
envelope.Release = _random.Float( 0.1f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
if ( _random.Next( 2 ) == 0 )
{
highpass.Enabled = true;
highpass.Cutoff = _random.Float( 0f, 0.3f );
}
else
{
highpass.Enabled = false;
}
}
public void RandomizeJump()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
Waveform = Waveform.Square;
Frequency.Start = _random.Float( 0.3f, 0.6f ) * 3000;
Frequency.Slide = _random.Float( 0.1f, 0.3f ) * 3000;
if ( -Frequency.Slide > Frequency.Start )
{
Frequency.Slide = -Frequency.Start;
}
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Sustain = _random.Float( 0.1f, 0.4f );
envelope.Release = _random.Float( 0.1f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
}
public void RandomizeBlip()
{
if ( Seed != 0 ) _random = new Random( (int)Seed );
ResetParameters();
foreach ( var component in GameObject.Components.GetAll() )
{
if ( component is not SFXREffect effect ) continue;
effect.Enabled = false;
}
var envelope = Components.GetOrCreate<SFXREnvelope>();
Waveform = Waveform.Square;
Frequency.Start = _random.Float( 0.2f, 0.6f ) * 3000;
envelope.Enabled = true;
envelope.Attack = 0;
envelope.Decay = _random.Float( 0.1f, 0.2f );
envelope.Sustain = _random.Float( 0.025f, 0.1f );
envelope.Release = _random.Float( 0.1f, 0.3f );
Length = envelope.Attack + envelope.Sustain + envelope.Decay + envelope.Release;
}
public void ResetParameters()
{
Waveform = Waveform.Square;
SampleRate = SampleRate.Hz44100;
BitDepth = BitDepth.Bit16;
Length = 0.5f;
MasterVolume = 0.5f;
Frequency = new SFXRFrequency();
Controls = new SFXRControls();
}
void SanitizeParameters()
{
}
protected override void OnUpdate()
{
foreach ( var note in NotesPlaying )
{
note.Update();
// if (!note.IsPlaying)
// {
// note.DestroyStreams();
// }
}
NotesPlaying.RemoveAll( x => !x.IsPlaying );
}
}
using Editor;
using Sandbox;
using Sandbox.Helpers;
using System.Collections.Generic;
using System.Linq;
namespace SFXR.Editor;
[CustomEditor( typeof( List<SFXRSequencer.Note> ) )]
public class SFXRNotesListControlWidget : ControlWidget
{
private SerializedCollection Collection;
private Layout Content;
private Button addButton;
public override bool SupportsMultiEdit => false;
SFXRSequencer Sequencer;
public SFXRNotesListControlWidget( SerializedProperty property )
: base( property )
{
SetSizeMode( SizeMode.Ignore, SizeMode.Ignore );
base.Layout = Layout.Column();
base.Layout.Spacing = 2f;
if ( property.TryGetAsObject( out var obj ) && obj is SerializedCollection collection )
{
if ( property.Parent.Targets.First() is SFXRSequencer sequencer )
{
Sequencer = sequencer;
}
Collection = collection;
Collection.OnEntryAdded = Rebuild;
Collection.OnEntryRemoved = Rebuild;
Content = Layout.Column();
base.Layout.Add( Content );
Layout layout = base.Layout.AddRow();
layout.Margin = 8;
layout.AddStretchCell();
addButton = layout.Add( new Button( "Add Note" )
{
ToolTip = "Add new note",
} );
addButton.MinimumWidth = 200;
addButton.Clicked = () => AddEntry();
layout.AddStretchCell();
Rebuild();
}
}
public void Rebuild()
{
Content.Clear( deleteWidgets: true );
Content.Margin = 0f;
Layout layout = Layout.Column();
layout.Spacing = 2f;
int num = 0;
int count = Collection.Count();
for ( int i = 0; i < count; i++ )
{
var item = Collection.ElementAt( i );
int index = num;
var itemLayout = Layout.Row();
itemLayout.Spacing = 4f;
// try to get object
if ( item.TryGetAsObject( out var obj ) )
{
var thing = new SFXRNoteSheet( obj );
itemLayout.Add( thing );
}
else
{
var thing = ControlWidget.Create( item );
thing.MinimumHeight = 100;
itemLayout.Add( thing );
}
var buttonLayout = Layout.Column();
if ( i > 0 )
{
buttonLayout.Add( new IconButton( "arrow_upward", delegate
{
MoveUp( index );
} )
{
Background = Color.Transparent,
FixedWidth = ControlWidget.ControlRowHeight,
FixedHeight = ControlWidget.ControlRowHeight,
ToolTip = "Move note up"
} );
}
else
{
buttonLayout.AddSpacingCell( 25 );
}
buttonLayout.Add( new IconButton( "delete", delegate
{
RemoveEntry( index );
} )
{
Background = Color.Red,
FixedWidth = ControlWidget.ControlRowHeight,
FixedHeight = ControlWidget.ControlRowHeight,
ToolTip = "Delete note"
} );
if ( i < count - 1 )
{
buttonLayout.Add( new IconButton( "arrow_downward", delegate
{
MoveDown( index );
} )
{
Background = Color.Transparent,
FixedWidth = ControlWidget.ControlRowHeight,
FixedHeight = ControlWidget.ControlRowHeight,
ToolTip = "Move note down"
} );
}
else
{
buttonLayout.AddSpacingCell( 25 );
}
itemLayout.Add( buttonLayout );
layout.Add( itemLayout );
num++;
}
MinimumHeight = 50 + (num * 105);
Content.Add( layout );
Content.Margin = ((num > 0) ? 3 : 0);
}
private void AddEntry()
{
Collection.Add( new SFXRSequencer.Note() );
}
private void RemoveEntry( int index )
{
Collection.RemoveAt( index );
}
private void MoveUp( int index )
{
// Move the index up in Sequencer.Notes list
if ( index > 0 )
{
var note = Sequencer.Notes[index];
Sequencer.Notes.RemoveAt( index );
Sequencer.Notes.Insert( index - 1, note );
}
Rebuild();
}
private void MoveDown( int index )
{
// Move the index down in Sequencer.Notes list
if ( index < Sequencer.Notes.Count - 1 )
{
var note = Sequencer.Notes[index];
Sequencer.Notes.RemoveAt( index );
Sequencer.Notes.Insert( index + 1, note );
}
Rebuild();
}
protected override void OnPaint()
{
}
public void AddEffectDialog( Button source )
{
var s = new SFXREffectTypeSelector( this );
s.OnSelect += ( t ) => AddEffect( t );
s.OpenAt( source.ScreenRect.BottomLeft, animateOffset: new Vector2( 0, -4 ) );
s.FixedWidth = source.Width;
}
void AddEffect( TypeDescription type )
{
if ( !type.TargetType.IsAssignableTo( typeof( SFXREffect ) ) )
{
Log.Error( $"Type {type.TargetType} is not assignable to {typeof( SFXREffect )}" );
return;
}
SFXREffect effect = type.Create<SFXREffect>();
Collection.Add( effect );
Log.Info( effect );
}
}
using System;
using System.Collections.Generic;
using Sandbox;
namespace SFXR;
[Title( "ADSR Envelope" )]
[Category( "SFXR Effects" )]
[Icon( "mail_outline" )]
public class SFXREnvelope : SFXREffect
{
/// <summary>
/// Time the sound takes to reach its peak amplitude
/// (Default: 0)
/// </summary>
[Property, Range( 0, 10 )]
public float Attack { get; set; } = 0;
/// <summary>
/// The time taken for the sound to fade to the sustain level
/// </summary>
[Property, Range( 0, 10 )]
public float Decay { get; set; } = 0;
/// <summary>
/// The level maintained until release is triggered
/// (Default: 1)
/// </summary>
[Property, Range( 0, 1 )]
public float Sustain { get; set; } = 1f;
/// <summary>
/// The time taken for the sound to fade to zero after the sustain
/// (Default: 0.3)
/// </summary>
[Property, Range( 0, 10 )]
public float SustainTime { get; set; } = 0.3f;
/// <summary>
/// The time taken for the sound to fade to zero after the release
/// (Default: 0.4)
/// </summary>
[Property, Range( 0, 10 )]
public float Release { get; set; } = 0.4f;
/// <summary>
/// Returns the amplitude of the envelope at a given time
/// </summary>
/// <param name="time">Time in seconds</param>
/// <returns>Amplitude of the envelope at the given time</returns>
public float GetAmplitude( float time )
{
return GetCurve().Evaluate( time / GetLength() );
}
public override short[] Apply( short[] samples, SFXRComponent sound )
{
// Calculate the envelope amplitude for each sample
for ( int i = 0; i < samples.Length; i++ )
{
float t = i / (float)sound.SampleRate;
float amplitude = GetAmplitude( t );
samples[i] = (short)(samples[i] * amplitude);
}
return samples;
}
public float GetLength()
{
return Attack + Decay + SustainTime + Release;
}
public Curve GetCurve()
{
Curve curve = new();
List<Vector2> points = new();
// Add the attack curve
points.Add( new Vector2( 0, 0 ) );
points.Add( new Vector2( Attack, 1 ) );
// Add the decay curve
points.Add( new Vector2( Attack + Decay, Sustain ) );
// Add the sustain curve
points.Add( new Vector2( Attack + Decay + SustainTime, Sustain ) );
// Add the release curve
points.Add( new Vector2( Attack + Decay + SustainTime + Release, 0 ) );
// Normalize the curve to 0-1 in the x
for ( int i = 0; i < points.Count; i++ )
{
points[i] = new Vector2( points[i].x / (Attack + Decay + SustainTime + Release), points[i].y );
}
// Add the points to the curve
foreach ( var point in points )
{
curve.AddPoint( point.x, point.y );
}
return curve;
}
}using Sandbox;
public sealed class SceneTrigger : Component, Component.ITriggerListener
{
[Property] public SceneFile SceneFile { get; set; }
protected override void OnUpdate()
{
}
void ITriggerListener.OnTriggerEnter(Sandbox.Collider other)
{
if (other.GameObject.Parent.Tags.Has("player") || other.GameObject.Tags.Has("boat"))
{
Game.ActiveScene.Load(SceneFile);
}
}
void ITriggerListener.OnTriggerExit(Sandbox.Collider other)
{
}
}
using System.Collections.Generic;
namespace Sandbox;
/// <summary>
/// How to use the system:
/// <code>
/// public sealed class ExampleComponent : Component
/// {
/// // Reference to the system.
/// private FixedUpdateInputSystem _fixedInput;
///
/// protected override void Start()
/// {
/// // Get the reference like this:
/// _fixedInput = Scene.GetSystem<FixedUpdateInputSystem>();
///
/// base.OnStart();
/// }
///
/// protected override void OnFixedUpdate()
/// {
/// // Query for input like usual.
/// if( _fixedInput.Pressed("jump") )
/// {
/// Log.Info("Jumped");
/// }
///
/// base.OnFixedUpdate();
/// }
/// }
/// </code>
/// </summary>
public sealed class FixedUpdateInputSystem : GameObjectSystem
{
private struct FixedUpdateInputBuffer
{
private class State
{
public bool Held;
public bool Pressed;
public bool Released;
}
private Dictionary<string, State> _actionStates;
public FixedUpdateInputBuffer()
{
_actionStates = new Dictionary<string, State>();
foreach ( var b in Input.GetActions() )
{
_actionStates[b.Name.ToLowerInvariant()] = new State();
}
}
/// <summary>
/// Call from a <see cref="Component.OnUpdate"/> method
/// to update the states of the actions.
/// </summary>
public void OnUpdate()
{
foreach ( var (name, state) in _actionStates )
{
if ( Input.Down( name ) )
_actionStates[name].Held = true;
if ( Input.Pressed( name ) )
_actionStates[name].Pressed = true;
if ( Input.Released( name ) )
_actionStates[name].Released = true;
}
}
/// <summary>
/// Call from a <see cref="Component.OnFixedUpdate"/>
/// method to get the <see cref="State.Held"/> state of this action.
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
///
public bool Held( string action )
{
return _actionStates[action.ToLowerInvariant()].Held;
}
/// <summary>
/// Call from a <see cref="Component.OnFixedUpdate"/>
/// method to get the <see cref="State.Pressed"/> state of this action.
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
public bool Pressed( string action )
{
return _actionStates[action.ToLowerInvariant()].Pressed;
}
/// <summary>
/// Call from a <see cref="Component.OnFixedUpdate"/>
/// method to get the <see cref="State.Pressed"/> state of this action.
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
public bool Released( string action )
{
return _actionStates[action.ToLowerInvariant()].Released;
}
/// <summary>
/// Call at the end of your <see cref="Component.OnFixedUpdate"/> method
/// to clear the state of the struct and reset.
/// </summary>
public void Clear()
{
foreach ( var actionName in _actionStates.Keys )
{
_actionStates[actionName].Held = false;
_actionStates[actionName].Pressed = false;
}
}
}
private FixedUpdateInputBuffer _buffer;
public FixedUpdateInputSystem( Scene scene ) : base( scene )
{
_buffer = new();
Listen( Stage.StartUpdate, int.MinValue, OnStartUpdate, "FUIB.OnStartUpdate" );
Listen( Stage.FinishFixedUpdate, int.MaxValue, OnFinishFixedUpdate, "FUIB.OnFinishFixedUpdate" );
}
private void OnStartUpdate()
{
_buffer.OnUpdate();
}
private void OnFinishFixedUpdate()
{
_buffer.Clear();
}
/// <summary>
/// Is the action currently held down?
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
///
public bool Held( string action ) => _buffer.Held( action );
/// <summary>
/// Was the action pressed?
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
public bool Pressed( string action ) => _buffer.Pressed( action );
/// <summary>
/// Was the action released?
/// </summary>
/// <param name="action">The action name (case insensitive).</param>
/// <returns></returns>
public bool Released( string action ) => _buffer.Released( action );
}
using System.Collections.Generic;
using System.Linq;
namespace Sandbox.Events;
/// <summary>
/// Generate an ordering based on a set of first-most and last-most items, and
/// individual constraints between pairs of items. All first-most items will be
/// ordered before all last-most items, and any other items will be put in the
/// middle unless forced to be elsewhere by a constraint.
/// </summary>
internal class SortingHelper
{
public record struct SortConstraint( int EarlierIndex, int LaterIndex )
{
public SortConstraint Complement => new ( LaterIndex, EarlierIndex );
}
private readonly int _itemCount;
private readonly HashSet<SortConstraint> _initialConstraints = new HashSet<SortConstraint>();
private readonly HashSet<int> _first = new HashSet<int>();
private readonly HashSet<int> _last = new HashSet<int>();
public SortingHelper( int itemCount )
{
_itemCount = itemCount;
}
public void AddConstraint( int earlierIndex, int laterIndex )
{
_initialConstraints.Add( new SortConstraint( earlierIndex, laterIndex ) );
}
public void AddFirst( int earlierIndex )
{
_first.Add( earlierIndex );
}
public void AddLast( int laterIndex )
{
_last.Add( laterIndex );
}
public bool Sort( List<int> result, out SortConstraint invalidConstraint )
{
var middle = new HashSet<int>();
for ( var index = 0; index < _itemCount; ++index )
{
if ( !_first.Contains( index ) && !_last.Contains( index ) )
middle.Add( index );
}
var allConstraints = new HashSet<SortConstraint>();
var newConstraints = new Queue<SortConstraint>();
var beforeDict = new Dictionary<int, HashSet<int>>();
var afterDict = new Dictionary<int, HashSet<int>>();
bool AddWorkingConstraint( int earlierIndex, int laterIndex, out SortConstraint constraint )
{
constraint = new SortConstraint( earlierIndex, laterIndex );
if ( allConstraints.Contains( constraint.Complement ) )
return false;
if ( !allConstraints.Add( constraint ) )
return true;
newConstraints.Enqueue( constraint );
if ( !beforeDict.TryGetValue( earlierIndex, out var before ) )
beforeDict.Add( earlierIndex, before = new HashSet<int>() );
if ( !afterDict.TryGetValue( laterIndex, out var after ) )
afterDict.Add( laterIndex, after = new HashSet<int>() );
before.Add( laterIndex );
after.Add( earlierIndex );
return true;
}
// Add initial constraints
foreach ( var initialConstraint in _initialConstraints )
{
if ( !AddWorkingConstraint( initialConstraint.EarlierIndex, initialConstraint.LaterIndex, out invalidConstraint ) )
return false;
}
// Everything in _first should be before everything in _last
foreach ( var earlierIndex in _first )
{
foreach ( var laterIndex in _last )
{
if ( !AddWorkingConstraint( earlierIndex, laterIndex, out invalidConstraint ) )
return false;
}
}
// Keep propagating constraints until nothing changes
while ( newConstraints.TryDequeue( out var nextConstraint ) )
{
// if a < b, and b < c, then a < c etc
if ( beforeDict.TryGetValue( nextConstraint.LaterIndex, out var before ) )
{
foreach ( var laterIndex in before )
{
if ( !AddWorkingConstraint( nextConstraint.EarlierIndex, laterIndex, out invalidConstraint ) )
return false;
}
}
if ( afterDict.TryGetValue( nextConstraint.EarlierIndex, out var after ) )
{
foreach ( var earlierIndex in after )
{
if ( !AddWorkingConstraint( earlierIndex, nextConstraint.LaterIndex, out invalidConstraint ) )
{
return false;
}
}
}
}
// Now if we have any items that aren't using GroupOrder.First, and haven't
// determined that they are ordered before another item with GroupOrder.First,
// we can safely order them after all GroupOrder.First items. And vice versa.
foreach ( var middleIndex in middle )
{
var isBeforeAnyFirst = beforeDict.TryGetValue( middleIndex, out var before )
&& before.Any( x => _first.Contains( x ) );
var isAfterAnyLast = afterDict.TryGetValue( middleIndex, out var after )
&& after.Any( x => _last.Contains( x ) );
if ( !isBeforeAnyFirst )
{
foreach ( var earlierIndex in _first )
AddWorkingConstraint( earlierIndex, middleIndex, out invalidConstraint );
}
if ( !isAfterAnyLast )
{
foreach ( var laterIndex in _last )
AddWorkingConstraint( middleIndex, laterIndex, out invalidConstraint );
}
}
// Now lets add items to the final ordering if all items that should be sorted
// before them are already added to that ordering. We'll implement this by choosing
// items that have an empty list / don't appear in afterDict, and update that
// dictionary as we go.
var earliestRemaining = new Queue<int>();
// First, seed the queue with everything that's already not ordered after anything
for ( var index = 0; index < _itemCount; ++index )
{
if ( !afterDict.ContainsKey( index ) )
{
earliestRemaining.Enqueue( index );
}
}
result.Clear();
while ( earliestRemaining.TryDequeue( out var nextIndex ) )
{
result.Add( nextIndex );
foreach ( var laterIndex in beforeDict.TryGetValue( nextIndex, out var laterIndices )
? laterIndices : Enumerable.Empty<int>() )
{
var beforeLater = afterDict[laterIndex];
beforeLater.Remove( nextIndex );
if ( beforeLater.Count == 0 )
earliestRemaining.Enqueue( laterIndex );
}
}
invalidConstraint = default;
return result.Count == _itemCount;
}
}
using Sandbox;
using System.Collections.Generic;
namespace EZCameraShake
{
public class CameraShaker : Component
{
/// <summary>
/// The single instance of the CameraShaker in the current scene. Do not use if you have multiple instances.
/// </summary>
public static CameraShaker Instance;
static Dictionary<string, CameraShaker> instanceList = new Dictionary<string, CameraShaker>();
/// <summary>
/// The default position influcence of all shakes created by this shaker.
/// </summary>
[Property] public Vector3 DefaultPosInfluence = new Vector3(0.15f, 0.15f, 0.15f);
/// <summary>
/// The default rotation influcence of all shakes created by this shaker.
/// </summary>
[Property] public Vector3 DefaultRotInfluence = new Vector3(1, 1, 1);
/// <summary>
/// Offset that will be applied to the camera's default (0,0,0) rest position
/// </summary>
[Property] public Vector3 RestPositionOffset = new Vector3(0, 0, 0);
/// <summary>
/// Offset that will be applied to the camera's default (0,0,0) rest rotation
/// </summary>
[Property] public Vector3 RestRotationOffset = new Vector3(0, 0, 0);
Vector3 posAddShake, rotAddShake;
List<CameraShakeInstance> cameraShakeInstances = new List<CameraShakeInstance>();
protected override void OnAwake()
{
Instance = this;
instanceList.Add(GameObject.Name, this);
}
protected override void OnUpdate()
{
posAddShake = Vector3.Zero;
rotAddShake = Vector3.Zero;
for (int i = 0; i < cameraShakeInstances.Count; i++)
{
if (i >= cameraShakeInstances.Count)
break;
CameraShakeInstance c = cameraShakeInstances[i];
if (c.CurrentState == CameraShakeState.Inactive && c.DeleteOnInactive)
{
cameraShakeInstances.RemoveAt(i);
i--;
}
else if (c.CurrentState != CameraShakeState.Inactive)
{
posAddShake += CameraUtilities.MultiplyVectors(c.UpdateShake(), c.PositionInfluence);
rotAddShake += CameraUtilities.MultiplyVectors(c.UpdateShake(), c.RotationInfluence);
}
}
Transform.LocalPosition = (posAddShake) + RestPositionOffset;
Vector3 thing = (rotAddShake / 100) + RestRotationOffset;
Transform.LocalRotation = new Angles(thing.x, thing.y, thing.z);
}
/// <summary>
/// Gets the CameraShaker with the given name, if it exists.
/// </summary>
/// <param name="name">The name of the camera shaker instance.</param>
/// <returns></returns>
public static CameraShaker GetInstance(string name)
{
CameraShaker c;
if (instanceList.TryGetValue(name, out c))
return c;
Log.Error("CameraShake " + name + " not found!");
return null;
}
/// <summary>
/// Starts a shake using the given preset.
/// </summary>
/// <param name="shake">The preset to use.</param>
/// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
public CameraShakeInstance Shake(CameraShakeInstance shake)
{
cameraShakeInstances.Add(shake);
return shake;
}
/// <summary>
/// Shake the camera once, fading in and out over a specified durations.
/// </summary>
/// <param name="magnitude">The intensity of the shake.</param>
/// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
/// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
/// <param name="fadeOutTime">How long to fade out the shake, in seconds.</param>
/// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
public CameraShakeInstance ShakeOnce(float magnitude, float roughness, float fadeInTime, float fadeOutTime)
{
CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness, fadeInTime, fadeOutTime);
shake.PositionInfluence = DefaultPosInfluence;
shake.RotationInfluence = DefaultRotInfluence;
cameraShakeInstances.Add(shake);
return shake;
}
/// <summary>
/// Shake the camera once, fading in and out over a specified durations.
/// </summary>
/// <param name="magnitude">The intensity of the shake.</param>
/// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
/// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
/// <param name="fadeOutTime">How long to fade out the shake, in seconds.</param>
/// <param name="posInfluence">How much this shake influences position.</param>
/// <param name="rotInfluence">How much this shake influences rotation.</param>
/// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
public CameraShakeInstance ShakeOnce(float magnitude, float roughness, float fadeInTime, float fadeOutTime, Vector3 posInfluence, Vector3 rotInfluence)
{
CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness, fadeInTime, fadeOutTime);
shake.PositionInfluence = posInfluence;
shake.RotationInfluence = rotInfluence;
cameraShakeInstances.Add(shake);
return shake;
}
/// <summary>
/// Start shaking the camera.
/// </summary>
/// <param name="magnitude">The intensity of the shake.</param>
/// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
/// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
/// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
public CameraShakeInstance StartShake(float magnitude, float roughness, float fadeInTime)
{
CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness);
shake.PositionInfluence = DefaultPosInfluence;
shake.RotationInfluence = DefaultRotInfluence;
shake.StartFadeIn(fadeInTime);
cameraShakeInstances.Add(shake);
return shake;
}
/// <summary>
/// Start shaking the camera.
/// </summary>
/// <param name="magnitude">The intensity of the shake.</param>
/// <param name="roughness">Roughness of the shake. Lower values are smoother, higher values are more jarring.</param>
/// <param name="fadeInTime">How long to fade in the shake, in seconds.</param>
/// <param name="posInfluence">How much this shake influences position.</param>
/// <param name="rotInfluence">How much this shake influences rotation.</param>
/// <returns>A CameraShakeInstance that can be used to alter the shake's properties.</returns>
public CameraShakeInstance StartShake(float magnitude, float roughness, float fadeInTime, Vector3 posInfluence, Vector3 rotInfluence)
{
CameraShakeInstance shake = new CameraShakeInstance(magnitude, roughness);
shake.PositionInfluence = posInfluence;
shake.RotationInfluence = rotInfluence;
shake.StartFadeIn(fadeInTime);
cameraShakeInstances.Add(shake);
return shake;
}
/// <summary>
/// Gets a copy of the list of current camera shake instances.
/// </summary>
public List<CameraShakeInstance> ShakeInstances
{ get { return new List<CameraShakeInstance>(cameraShakeInstances); } }
protected override void OnDestroy()
{
instanceList.Remove(GameObject.Name);
}
}
}
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
namespace Sandbox.Events;
/// <summary>
/// Interface for event payloads that can be listened for by <see cref="IGameEventHandler{T}"/>s.
/// </summary>
public interface IGameEvent { }
/// <summary>
/// Interface for components that handle game events with a payload of type <see cref="T"/>.
/// </summary>
/// <typeparam name="T">Event payload type.</typeparam>
public interface IGameEventHandler<in T>
where T : IGameEvent
{
/// <summary>
/// Called when an event with payload of type <see cref="T"/> is dispatched on a <see cref="GameObject"/>
/// that contains this component, including on a descendant.
/// </summary>
/// <param name="eventArgs">Event payload.</param>
void OnGameEvent( T eventArgs );
}
/// <summary>
/// Helper for dispatching game events in a scene.
/// </summary>
public static class GameEvent
{
private static Dictionary<Type, IReadOnlyDictionary<Type, int>> HandlerOrderingCache { get; } = new();
/// <summary>
/// Notifies all <see cref="IGameEventHandler{T}"/> components that are within <paramref name="root"/>,
/// with a payload of type <typeparamref name="T"/>.
/// </summary>
public static void Dispatch<T>( this GameObject root, T eventArgs )
where T : IGameEvent
{
var handlers = (root is Scene scene
? scene.GetAllComponents<IGameEventHandler<T>>() // I think this is more efficient?
: root.Components.GetAll<IGameEventHandler<T>>())
.ToArray();
if ( !HandlerOrderingCache.TryGetValue( typeof(T), out var ordering ) || handlers.Any( x => !ordering.ContainsKey( x.GetType() ) ) )
{
ordering = HandlerOrderingCache[typeof(T)] = GetHandlerOrdering<T>();
}
List<Exception>? exceptions = null;
foreach ( var handler in handlers.OrderBy( x => ordering[x.GetType()] ) )
{
try
{
handler.OnGameEvent( eventArgs );
}
catch ( Exception e )
{
exceptions ??= new();
exceptions.Add( e );
}
}
switch ( exceptions?.Count )
{
case 1:
Log.Error( exceptions[0] );
break;
case > 1:
Log.Error( new AggregateException( exceptions ) );
break;
}
}
private static bool IsImplementingMethodName( string methodName )
{
if ( methodName == nameof(IGameEventHandler<IGameEvent>.OnGameEvent) )
{
return true;
}
return methodName.StartsWith( "Sandbox.Events.IGameEventHandler<" ) && methodName.EndsWith( ">.OnGameEvent" );
}
private static MethodDescription? GetImplementation<T>( TypeDescription type )
{
foreach ( var method in type.Methods )
{
if ( method.IsStatic ) continue;
if ( method.Parameters.Length != 1 ) continue;
if ( method.Parameters[0].ParameterType != typeof( T ) ) continue;
if ( !IsImplementingMethodName( method.Name ) ) continue;
return method;
}
return null;
}
private static IReadOnlyDictionary<Type, int> GetHandlerOrdering<T>()
where T : IGameEvent
{
var types = TypeLibrary.GetTypes<IGameEventHandler<T>>().ToArray();
var helper = new SortingHelper( types.Length );
for ( var i = 0; i < types.Length; ++i )
{
var type = types[i];
var method = GetImplementation<T>( type );
if ( method is null )
{
Log.Warning( $"Can't find {nameof( IGameEventHandler<T> )}<{typeof( T ).Name}> implementation in {type.Name}!" );
continue;
}
foreach ( var attrib in method.Attributes )
{
switch ( attrib )
{
case EarlyAttribute:
helper.AddFirst( i );
break;
case LateAttribute:
helper.AddLast( i );
break;
case IBeforeAttribute before:
for ( var j = 0; j < types.Length; ++j )
{
if ( i == j ) continue;
var other = types[j];
if ( before.Type.IsAssignableFrom( other.TargetType ) )
{
helper.AddConstraint( i, j );
}
}
break;
case IAfterAttribute after:
for ( var j = 0; j < types.Length; ++j )
{
if ( i == j ) continue;
var other = types[j];
if ( after.Type.IsAssignableFrom( other.TargetType ) )
{
helper.AddConstraint( j, i );
}
}
break;
}
}
}
var ordering = new List<int>();
if ( !helper.Sort( ordering, out var invalid ) )
{
Log.Error( $"Invalid event ordering constraint between {types[invalid.EarlierIndex].Name} and {types[invalid.LaterIndex].Name}!" );
return ImmutableDictionary<Type, int>.Empty;
}
return Enumerable.Range( 0, ordering.Count )
.ToImmutableDictionary( i => types[ordering[i]].TargetType, i => i );
}
}
public delegate void GameEventAction<in T>( T eventArgs )
where T : IGameEvent;
/// <summary>
/// Base class for components that expose game events to Action Graph.
/// </summary>
public abstract class GameEventComponent<T> : Component, IGameEventHandler<T>
where T : IGameEvent
{
/// <summary>
/// Action invoked when the <typeparamref name="T"/> event is dispatched.
/// </summary>
[Property]
public GameEventAction<T>? OnEvent { get; set; }
/// <summary>
/// If this component is within a state machine, optional state to transition
/// to when this event is dispatched.
/// </summary>
[Property]
public StateComponent? NextState { get; set; }
void IGameEventHandler<T>.OnGameEvent( T eventArgs )
{
OnEvent?.Invoke( eventArgs );
if ( NextState is not null )
{
Components.GetInAncestorsOrSelf<StateMachineComponent>()?.Transition( NextState );
}
}
}
using Sandbox;
[TestClass]
public partial class LibraryTests
{
[TestMethod]
public void SceneTest()
{
var scene = new Scene();
using ( scene.Push() )
{
var go = new GameObject();
Assert.AreEqual( 1, scene.Directory.GameObjectCount );
}
}
}
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.Json;
using Sandbox;
using System.Threading.Tasks;
public sealed class WebSocketUtility : Component
{
[Property] public List<WebsocketTools> websocketToolsList { get; set; }
protected override void OnAwake()
{
foreach ( var websocketTools in websocketToolsList )
{
if ( websocketTools.url is null )
{
Log.Error( "WebsocketTools URL is null" );
return;
}
websocketTools.webSocket = new WebSocket();
ConnectToSocket( websocketTools.webSocket, websocketTools.url );
websocketTools.isConnected = true;
websocketTools.webSocket.OnMessageReceived += websocketTools.OnMessageReceivedMethod;
websocketTools.isSubscribed = true;
}
}
protected override void OnUpdate()
{
SendMessageFromList( WebsocketTools.Fetch.OnUpdate );
}
protected override void OnFixedUpdate()
{
SendMessageFromList( WebsocketTools.Fetch.OnFixedUpdate );
}
protected override void OnStart()
{
SendMessageFromList( WebsocketTools.Fetch.OnStart );
}
private async void SendMessageFromList( WebsocketTools.Fetch fetch )
{
foreach ( var websocketTools in websocketToolsList )
{
if ( websocketTools.fetch == fetch )
{
if ( websocketTools.message.UseJsonTags )
{
var jsonStrings = websocketTools.message.jsonTags.Select( tag => Json.Serialize( tag.ToString() ) );
var bigString = string.Join( "", jsonStrings );
var finalJsonString = Json.Serialize( bigString );
await websocketTools.webSocket.Send( finalJsonString );
}
else
{
var messageBytes = Encoding.UTF8.GetBytes( websocketTools.message.message );
await websocketTools.webSocket.Send( messageBytes );
}
}
}
}
[Description( "Sends a message over a websocket connection" )]
public static async Task SendAsync( WebsocketTools websocketTools )
{
if ( websocketTools.webSocket is null )
{
websocketTools.webSocket = new WebSocket();
}
if ( !websocketTools.isConnected )
{
await websocketTools.webSocket.Connect( websocketTools.url );
websocketTools.isConnected = true;
}
if ( websocketTools.message.UseJsonTags )
await websocketTools.webSocket.Send( Json.Serialize( websocketTools.message.jsonTags ) );
else
await websocketTools.webSocket.Send( websocketTools.message.message );
if ( !websocketTools.isSubscribed )
{
websocketTools.webSocket.OnMessageReceived += websocketTools.OnMessageReceivedMethod;
websocketTools.isSubscribed = true;
}
}
public static async Task SendStringAsync( string url, string message )
{
var webSocket = new WebSocket();
await webSocket.Connect( url );
await webSocket.Send( message );
}
public static void ChangeJsonTagValue( WebsocketMessage message, string tag, string value )
{
if ( message is null )
message = new WebsocketMessage();
if ( message.jsonTags is null )
message.jsonTags = new List<JsonTags>();
var jsonTag = message.jsonTags.Find( x => x.tag == tag );
if ( jsonTag is null )
{
Log.Warning( $"Tag {tag} not found in message" );
}
else
{
jsonTag.value = value;
}
}
public static void AddJsonTag( WebsocketMessage message, string tag, string value )
{
if ( message is null )
message = new WebsocketMessage();
if ( message.jsonTags is null )
message.jsonTags = new List<JsonTags>();
var jsonTag = new JsonTags
{
tag = tag,
value = value
};
message.jsonTags.Add( jsonTag );
}
private async void ConnectToSocket( WebSocket webSocket, string url )
{
await webSocket.Connect( url );
}
[ActionGraphNode( "new websocket tools" ), Pure]
public static WebsocketTools NewWebsocketTools()
{
return new WebsocketTools();
}
}
public class WebsocketTools
{
public delegate void OnMessageReceived( string message );
public OnMessageReceived onMessageReceived { get; set; }
public WebSocket webSocket { get; set; }
public string url { get; set; }
public WebsocketMessage message { get; set; } = new();
public bool isConnected { get; set; }
public bool isSubscribed { get; set; }
public string returnMessage { get; set; }
public enum Fetch
{
OnUpdate,
OnFixedUpdate,
OnStart,
}
public Fetch fetch { get; set; }
public void OnMessageReceivedMethod( string message )
{
onMessageReceived?.Invoke( message );
returnMessage = message;
}
public WebsocketTools()
{
url = "ws://localhost:8080";
fetch = Fetch.OnUpdate;
onMessageReceived = null;
message = null;
}
public WebsocketTools( string url, OnMessageReceived onMessageReceived, WebsocketMessage message, Fetch fetch = Fetch.OnUpdate )
{
this.url = url;
this.fetch = fetch;
this.onMessageReceived = onMessageReceived;
this.message = message;
}
}
[GameResource( "Message", "message", "A message to be sent over a websocket connection", Icon = "chat_bubble" )]
public class WebsocketMessage : GameResource
{
public bool UseJsonTags { get; set; }
[ShowIf( "UseJsonTags", false )] public string message { get; set; } = "";
[ShowIf( "UseJsonTags", true )] public List<JsonTags> jsonTags { get; set; } = new();
}
public class JsonTags
{
public string tag { get; set; }
public string value { get; set; }
}
public sealed class PlayerPusher : Component
{
[Property] public float Radius { get; set; } = 100;
protected override void DrawGizmos()
{
base.DrawGizmos();
Gizmo.Draw.LineSphere( Vector3.Zero, Radius );
}
public static Vector3 GetPushVector( in Vector3 position, Scene scene, GameObject ignore )
{
Vector3 vec = default;
foreach ( var pusher in scene.GetAllComponents<PlayerPusher>() )
{
if ( pusher.GameObject.IsAncestor( ignore ) )
continue;
pusher.Collect( position, ref vec );
}
return vec;
}
private void Collect( Vector3 position, ref Vector3 output )
{
var delta = (position - Transform.Position);
if ( delta.Length > Radius ) return;
delta.z = 0; // ignore z
var distanceDelta = (delta.Length / Radius);
output += delta.Normal * (1.0f - distanceDelta);
}
}
using System;
namespace Sandbox.Events;
/// <summary>
/// Only valid on <see cref="IGameEventHandler{T}.OnGameEvent"/> implementations. Forces this
/// event handler to be invoked before any handlers not marked as early, except if more specific
/// constraints are given (i.e., <see cref="BeforeAttribute{T}"/>, <see cref="AfterAttribute{T}"/>).
/// </summary>
[AttributeUsage( AttributeTargets.Method )]
public sealed class EarlyAttribute : Attribute
{
}
/// <summary>
/// Only valid on <see cref="IGameEventHandler{T}.OnGameEvent"/> implementations. Forces this
/// event handler to be invoked after any handlers not marked as late, except if more specific
/// constraints are given (i.e., <see cref="BeforeAttribute{T}"/>, <see cref="AfterAttribute{T}"/>).
/// </summary>
[AttributeUsage( AttributeTargets.Method )]
public sealed class LateAttribute : Attribute
{
}
internal interface IBeforeAttribute
{
Type Type { get; }
}
internal interface IAfterAttribute
{
Type Type { get; }
}
/// <summary>
/// Only valid on <see cref="IGameEventHandler{T}.OnGameEvent"/> implementations. Forces this
/// event handler to be invoked before any handlers in the specified type.
/// </summary>
[AttributeUsage( AttributeTargets.Method, AllowMultiple = true )]
public sealed class BeforeAttribute<T> : Attribute, IBeforeAttribute
{
Type IBeforeAttribute.Type => typeof(T);
}
/// <summary>
/// Only valid on <see cref="IGameEventHandler{T}.OnGameEvent"/> implementations. Forces this
/// event handler to be invoked after any handlers in the specified type.
/// </summary>
[AttributeUsage( AttributeTargets.Method, AllowMultiple = true )]
public sealed class AfterAttribute<T> : Attribute, IAfterAttribute
{
Type IAfterAttribute.Type => typeof( T );
}
using System.Collections.Generic;
using System.Linq;
namespace Sandbox.Events;
/// <summary>
/// Generate an ordering based on a set of first-most and last-most items, and
/// individual constraints between pairs of items. All first-most items will be
/// ordered before all last-most items, and any other items will be put in the
/// middle unless forced to be elsewhere by a constraint.
/// </summary>
internal class SortingHelper
{
public record struct SortConstraint( int EarlierIndex, int LaterIndex )
{
public SortConstraint Complement => new ( LaterIndex, EarlierIndex );
}
private readonly int _itemCount;
private readonly HashSet<SortConstraint> _initialConstraints = new HashSet<SortConstraint>();
private readonly HashSet<int> _first = new HashSet<int>();
private readonly HashSet<int> _last = new HashSet<int>();
public SortingHelper( int itemCount )
{
_itemCount = itemCount;
}
public void AddConstraint( int earlierIndex, int laterIndex )
{
_initialConstraints.Add( new SortConstraint( earlierIndex, laterIndex ) );
}
public void AddFirst( int earlierIndex )
{
_first.Add( earlierIndex );
}
public void AddLast( int laterIndex )
{
_last.Add( laterIndex );
}
public bool Sort( List<int> result, out SortConstraint invalidConstraint )
{
var middle = new HashSet<int>();
for ( var index = 0; index < _itemCount; ++index )
{
if ( !_first.Contains( index ) && !_last.Contains( index ) )
middle.Add( index );
}
var allConstraints = new HashSet<SortConstraint>();
var newConstraints = new Queue<SortConstraint>();
var beforeDict = new Dictionary<int, HashSet<int>>();
var afterDict = new Dictionary<int, HashSet<int>>();
bool AddWorkingConstraint( int earlierIndex, int laterIndex, out SortConstraint constraint )
{
constraint = new SortConstraint( earlierIndex, laterIndex );
if ( allConstraints.Contains( constraint.Complement ) )
return false;
if ( !allConstraints.Add( constraint ) )
return true;
newConstraints.Enqueue( constraint );
if ( !beforeDict.TryGetValue( earlierIndex, out var before ) )
beforeDict.Add( earlierIndex, before = new HashSet<int>() );
if ( !afterDict.TryGetValue( laterIndex, out var after ) )
afterDict.Add( laterIndex, after = new HashSet<int>() );
before.Add( laterIndex );
after.Add( earlierIndex );
return true;
}
// Add initial constraints
foreach ( var initialConstraint in _initialConstraints )
{
if ( !AddWorkingConstraint( initialConstraint.EarlierIndex, initialConstraint.LaterIndex, out invalidConstraint ) )
return false;
}
// Everything in _first should be before everything in _last
foreach ( var earlierIndex in _first )
{
foreach ( var laterIndex in _last )
{
if ( !AddWorkingConstraint( earlierIndex, laterIndex, out invalidConstraint ) )
return false;
}
}
// Keep propagating constraints until nothing changes
while ( newConstraints.TryDequeue( out var nextConstraint ) )
{
// if a < b, and b < c, then a < c etc
if ( beforeDict.TryGetValue( nextConstraint.LaterIndex, out var before ) )
{
foreach ( var laterIndex in before )
{
if ( !AddWorkingConstraint( nextConstraint.EarlierIndex, laterIndex, out invalidConstraint ) )
return false;
}
}
if ( afterDict.TryGetValue( nextConstraint.EarlierIndex, out var after ) )
{
foreach ( var earlierIndex in after )
{
if ( !AddWorkingConstraint( earlierIndex, nextConstraint.LaterIndex, out invalidConstraint ) )
{
return false;
}
}
}
}
// Now if we have any items that aren't using GroupOrder.First, and haven't
// determined that they are ordered before another item with GroupOrder.First,
// we can safely order them after all GroupOrder.First items. And vice versa.
foreach ( var middleIndex in middle )
{
var isBeforeAnyFirst = beforeDict.TryGetValue( middleIndex, out var before )
&& before.Any( x => _first.Contains( x ) );
var isAfterAnyLast = afterDict.TryGetValue( middleIndex, out var after )
&& after.Any( x => _last.Contains( x ) );
if ( !isBeforeAnyFirst )
{
foreach ( var earlierIndex in _first )
AddWorkingConstraint( earlierIndex, middleIndex, out invalidConstraint );
}
if ( !isAfterAnyLast )
{
foreach ( var laterIndex in _last )
AddWorkingConstraint( middleIndex, laterIndex, out invalidConstraint );
}
}
// Now lets add items to the final ordering if all items that should be sorted
// before them are already added to that ordering. We'll implement this by choosing
// items that have an empty list / don't appear in afterDict, and update that
// dictionary as we go.
var earliestRemaining = new Queue<int>();
// First, seed the queue with everything that's already not ordered after anything
for ( var index = 0; index < _itemCount; ++index )
{
if ( !afterDict.ContainsKey( index ) )
{
earliestRemaining.Enqueue( index );
}
}
result.Clear();
while ( earliestRemaining.TryDequeue( out var nextIndex ) )
{
result.Add( nextIndex );
foreach ( var laterIndex in beforeDict.TryGetValue( nextIndex, out var laterIndices )
? laterIndices : Enumerable.Empty<int>() )
{
var beforeLater = afterDict[laterIndex];
beforeLater.Remove( nextIndex );
if ( beforeLater.Count == 0 )
earliestRemaining.Enqueue( laterIndex );
}
}
invalidConstraint = default;
return result.Count == _itemCount;
}
}
using Sandbox;
[TestClass]
public partial class LibraryTests
{
[TestMethod]
public void SceneTest()
{
var scene = new Scene();
using ( scene.Push() )
{
var go = new GameObject();
Assert.AreEqual( 1, scene.Directory.GameObjectCount );
}
}
}
using Editor;
public static class MyEditorMenu
{
[Menu( "Editor", "CrosshairBuilder/My Menu Option" )]
public static void OpenMyMenu()
{
EditorUtility.DisplayDialog( "It worked!", "This is being called from your library's editor code!" );
}
}
using Braxnet;
using Sandbox;
[TestClass]
public partial class LibraryTests
{
[TestMethod]
public void SceneTest()
{
var scene = new Scene();
using ( scene.Push() )
{
// var go = new GameObject();
Assert.AreEqual( 1, scene.Directory.GameObjectCount );
Assert.IsTrue( scene.Directory.FindByName( "LibraryTestComponent" ) != null );
}
}
}
[Autoload]
public class LibraryTestComponent : Component
{
}
public sealed class JiggleBone : TransformProxyComponent
{
JiggleBoneState state = new JiggleBoneState();
[Property]
public Vector3 StartPoint = new Vector3( 0, 0, 0 );
[Property]
public Vector3 EndPoint = new Vector3( 32, 0, 0 );
[Property, Range( 0, 2 )]
public float Speed { get; set; } = 1.0f;
[Property, Range( 0, 2 )]
public float Stiffness { get; set; } = 1.0f;
[Property, Range( 0, 2 )]
public float Damping { get; set; } = 1.0f;
[Property, Range( 0, 100 )]
public float Radius { get; set; } = 40.0f;
[Property, Range( 0, 100 )]
public float Mass { get; set; } = 1.0f;
Transform LocalJigglePosition;
protected override void OnEnabled()
{
LocalJigglePosition = Transform.Local;
base.OnEnabled();
state = new JiggleBoneState();
}
protected override void OnUpdate()
{
var oldPos = LocalJigglePosition;
using ( Transform.DisableProxy() )
{
var worldTx = Transform.World;
var startPoint = worldTx.PointToWorld( StartPoint );
var endPoint = worldTx.PointToWorld( EndPoint );
//Gizmo.Draw.LineSphere( startPoint, 1 );
//Gizmo.Draw.LineSphere( endPoint, 1 );
state.Extent = (endPoint - startPoint);
state.Stiffness = Stiffness;
state.Damping = Damping;
state.Radius = Radius;
state.Mass = Mass;
state.Update( startPoint, Time.Delta * Speed * 16.0f );
var tx = worldTx.RotateAround( startPoint, state.Rotation );
LocalJigglePosition = GameObject.Parent.Transform.World.ToLocal( tx );
}
if ( oldPos != LocalJigglePosition )
{
MarkTransformChanged();
}
}
protected override void DrawGizmos()
{
base.DrawGizmos();
if ( !Gizmo.IsSelected )
return;
using ( Transform.DisableProxy() )
{
Gizmo.Transform = Transform.World;
Gizmo.Draw.IgnoreDepth = false;
Gizmo.Draw.Color = Gizmo.Colors.Yaw.WithAlpha( 0.5f );
Gizmo.Draw.Line( StartPoint, EndPoint );
Gizmo.Draw.LineBBox( BBox.FromPositionAndSize( StartPoint, 5 ) );
Gizmo.Draw.LineBBox( BBox.FromPositionAndSize( EndPoint, 5 ) );
Gizmo.Draw.LineSphere( EndPoint, Radius * 2.0f, 4 );
}
}
public override Transform GetLocalTransform()
{
return LocalJigglePosition;
}
}
class JiggleBoneState
{
public Vector3 Extent = new Vector3( 32, 0, 0 );
public Vector3 Position { get; set; }
public Rotation Rotation { get; set; }
public float Stiffness { get; set; } = 1.0f;
public float Damping { get; set; } = 1.0f;
public float Radius { get; set; } = 10.0f;
public float Gravity { get; set; } = 1.0f;
public float Mass { get; set; } = 1.0f;
Vector3 basePosition;
Vector3 velocity;
public JiggleBoneState()
{
}
internal void Update( Vector3 position, float timeDelta )
{
basePosition = position + Extent;
// initialization
if ( Position == default )
{
Position = basePosition;
}
// Calculate spring force based on displacement from the cube
Vector3 displacement = Position - basePosition;
Vector3 springForce = -Stiffness * displacement;
// Calculate acceleration (Newton's second law)
Vector3 acceleration = springForce / Mass;
// Update velocity (integrate acceleration)
velocity += acceleration * timeDelta;
// Apply exponential damping
velocity *= (float)Math.Exp( -Damping * timeDelta );
// Update position (integrate velocity)
Position += velocity * timeDelta;
{
var diff = Position - basePosition;
var diffLen = diff.Length;
if ( diffLen > Radius )
{
Position = basePosition + diff.Normal * Radius;
//velocity = velocity.AddClamped( -diff * 2.0f, diff.Length );
}
}
// Store the rotation offset result
Rotation = Rotation.FromToRotation( basePosition - position, Position - position );
//Gizmo.Draw.IgnoreDepth = true;
//Gizmo.Draw.Line( position, Position );
//Gizmo.Draw.Line( basePosition, Position );
}
}
using Sandbox;
/// <summary>
/// This is a component - in your library!
/// </summary>
[Title( "LibraryImporter - My Component" )]
public class MyLibraryComponent : Component
{
}
global using Microsoft.AspNetCore.Components;
global using Microsoft.AspNetCore.Components.Rendering;
using Editor;
using Sandbox;
public sealed class CameraMovement : Component
{
[Property] public CharacterController1 Player { get; set; }
[Property] public GameObject Body { get; set; }
[Property] public GameObject Head { get; set; }
[Property] public float Distance { get; set; } = 0f;
[Property] public float Sensitivity { get; set; } = 0.1f;
public bool IsFirstPerson => Distance == 0f;
private CameraComponent Camera;
private ModelRenderer BodyRenderer;
private Vector3 CurrentOffset = Vector3.Zero;
protected override void OnAwake()
{
base.OnAwake();
Camera = Components.Get<CameraComponent>();
BodyRenderer = Body.Components.Get<ModelRenderer>();
}
protected override void OnUpdate()
{
var eyeAngles = Head.Transform.Rotation.Angles();
eyeAngles.pitch += Input.MouseDelta.y * Sensitivity;
eyeAngles.yaw -= Input.MouseDelta.x * Sensitivity;
eyeAngles.roll = 0f;
eyeAngles.pitch = eyeAngles.pitch.Clamp( -89.9f, 89.9f );
Head.Transform.Rotation = eyeAngles.ToRotation();
var targetOffset = Vector3.Zero;
if ( Player.IsCrouching ) targetOffset += Vector3.Down * 35f;
CurrentOffset = Vector3.Lerp( CurrentOffset, targetOffset, Time.Delta * 10f );
if ( Camera is not null )
{
var camPos = Head.Transform.Position + CurrentOffset;
if ( !IsFirstPerson )
{
var camForward = eyeAngles.ToRotation().Forward;
var camTrace = Scene.Trace.Ray( camPos, camPos - (camForward * Distance) )
.WithoutTags( "player", "trigger" )
.Run();
if ( camTrace.Hit )
{
camPos = camTrace.HitPosition + camTrace.Normal;
}
else
{
camPos = camTrace.EndPosition;
}
BodyRenderer.RenderType = ModelRenderer.ShadowRenderType.On;
}
else
{
BodyRenderer.RenderType = ModelRenderer.ShadowRenderType.ShadowsOnly;
}
Log.Info( CurrentOffset );
Camera.Transform.Position = camPos;
Camera.Transform.Rotation = eyeAngles.ToRotation();
}
}
}
global using System;
global using System.Linq;
global using System.Collections.Generic;
global using Editor;
global using Sandbox;
global using PathTool;
global using Application = Editor.Application;
using System.Collections.Generic;
using Sandbox.Diagnostics;
namespace NPBehave
{
public class Parallel : Composite
{
public enum Policy
{
One,
All,
}
// public enum Wait
// {
// NEVER,
// ON_FAILURE,
// ON_SUCCESS,
// BOTH
// }
// private Wait waitForPendingChildrenRule;
private Policy _failurePolicy;
private Policy _successPolicy;
private int _childrenCount = 0;
private int _runningCount = 0;
private int _succeededCount = 0;
private int _failedCount = 0;
private Dictionary<Node, bool> _childrenResults;
private bool _successState;
private bool _childrenAborted;
public Parallel(Policy successPolicy, Policy failurePolicy, /*Wait waitForPendingChildrenRule,*/ params Node[] children) : base("Parallel", children)
{
_successPolicy = successPolicy;
_failurePolicy = failurePolicy;
// this.waitForPendingChildrenRule = waitForPendingChildrenRule;
_childrenCount = children.Length;
_childrenResults = new Dictionary<Node, bool>();
}
protected override void DoStart()
{
foreach (Node child in Children)
{
Assert.AreEqual(child.CurrentState, State.Inactive);
}
_childrenAborted = false;
_runningCount = 0;
_succeededCount = 0;
_failedCount = 0;
foreach (Node child in Children)
{
_runningCount++;
child.Start();
}
}
protected override void DoStop()
{
Assert.True(_runningCount + _succeededCount + _failedCount == _childrenCount);
foreach (Node child in Children)
{
if (child.IsActive)
{
child.Stop();
}
}
}
protected override void DoChildStopped(Node child, bool result)
{
_runningCount--;
if (result)
{
_succeededCount++;
}
else
{
_failedCount++;
}
_childrenResults[child] = result;
bool allChildrenStarted = _runningCount + _succeededCount + _failedCount == _childrenCount;
if (allChildrenStarted)
{
if (_runningCount == 0)
{
if (!_childrenAborted) // if children got aborted because rule was evaluated previously, we don't want to override the successState
{
if (_failurePolicy == Policy.One && _failedCount > 0)
{
_successState = false;
}
else if (_successPolicy == Policy.One && _succeededCount > 0)
{
_successState = true;
}
else if (_successPolicy == Policy.All && _succeededCount == _childrenCount)
{
_successState = true;
}
else
{
_successState = false;
}
}
Stopped(_successState);
}
else if (!_childrenAborted)
{
Assert.False(_succeededCount == _childrenCount);
Assert.False(_failedCount == _childrenCount);
if (_failurePolicy == Policy.One && _failedCount > 0/* && waitForPendingChildrenRule != Wait.ON_FAILURE && waitForPendingChildrenRule != Wait.BOTH*/)
{
_successState = false;
_childrenAborted = true;
}
else if (_successPolicy == Policy.One && _succeededCount > 0/* && waitForPendingChildrenRule != Wait.ON_SUCCESS && waitForPendingChildrenRule != Wait.BOTH*/)
{
_successState = true;
_childrenAborted = true;
}
if (_childrenAborted)
{
foreach (Node currentChild in Children)
{
if (currentChild.IsActive)
{
currentChild.Stop();
}
}
}
}
}
}
public override void StopLowerPriorityChildrenForChild(Node abortForChild, bool immediateRestart)
{
if (immediateRestart)
{
Assert.False(abortForChild.IsActive);
if (_childrenResults[abortForChild])
{
_succeededCount--;
}
else
{
_failedCount--;
}
_runningCount++;
abortForChild.Start();
}
else
{
throw new Exception("On Parallel Nodes all children have the same priority, thus the method does nothing if you pass false to 'immediateRestart'!");
}
}
}
}
using System.Collections;
using Sandbox.Diagnostics;
namespace NPBehave
{
public class RandomSequence : Composite
{
static System.Random _rng = new System.Random();
#if DEBUG
static public void DebugSetSeed( int seed )
{
_rng = new System.Random( seed );
}
#endif
private int _currentIndex = -1;
private int[] _randomizedOrder;
public RandomSequence(params Node[] children) : base("Random Sequence", children)
{
_randomizedOrder = new int[children.Length];
for (int i = 0; i < Children.Length; i++)
{
_randomizedOrder[i] = i;
}
}
protected override void DoStart()
{
foreach (Node child in Children)
{
Assert.AreEqual(child.CurrentState, State.Inactive);
}
_currentIndex = -1;
// Shuffling
int n = _randomizedOrder.Length;
while (n > 1)
{
int k = _rng.Next(n--);
(_randomizedOrder[n], _randomizedOrder[k]) = (_randomizedOrder[k], _randomizedOrder[n]);
}
ProcessChildren();
}
protected override void DoStop()
{
Children[_randomizedOrder[_currentIndex]].Stop();
}
protected override void DoChildStopped(Node child, bool result)
{
if (result)
{
ProcessChildren();
}
else
{
Stopped(false);
}
}
private void ProcessChildren()
{
if (++_currentIndex < Children.Length)
{
if (IsStopRequested)
{
Stopped(false);
}
else
{
Children[_randomizedOrder[_currentIndex]].Start();
}
}
else
{
Stopped(true);
}
}
public override void StopLowerPriorityChildrenForChild(Node abortForChild, bool immediateRestart)
{
int indexForChild = 0;
bool found = false;
foreach (Node currentChild in Children)
{
if (currentChild == abortForChild)
{
found = true;
}
else if (!found)
{
indexForChild++;
}
else if (found && currentChild.IsActive)
{
if (immediateRestart)
{
_currentIndex = indexForChild - 1;
}
else
{
_currentIndex = Children.Length;
}
currentChild.Stop();
break;
}
}
}
public override string ToString()
{
return $"{base.ToString()}[{_currentIndex}]";
}
}
}
namespace NPBehave
{
public class Succeeder : Decorator
{
public Succeeder(Node decoratee) : base("Succeeder", decoratee)
{
}
protected override void DoStart()
{
Decoratee.Start();
}
protected override void DoStop()
{
Decoratee.Stop();
}
protected override void DoChildStopped(Node child, bool result)
{
Stopped(true);
}
}
}using System;
namespace NPBehave
{
public class Exception : System.Exception
{
public Exception(string message) : base(message)
{
}
}
}namespace NPBehave
{
public class Repeater : Decorator
{
private int _loopCount = -1;
private int _currentLoop;
/// <param name="loopCount">number of times to execute the decoratee. Set to -1 to repeat forever, be careful with endless loops!</param>
/// <param name="decoratee">Decorated Node</param>
public Repeater(int loopCount, Node decoratee) : base("Repeater", decoratee)
{
_loopCount = loopCount;
}
/// <param name="decoratee">Decorated Node, repeated forever</param>
public Repeater(Node decoratee) : base("Repeater", decoratee)
{
}
protected override void DoStart()
{
if (_loopCount != 0)
{
_currentLoop = 0;
Decoratee.Start();
}
else
{
Stopped(true);
}
}
protected override void DoStop()
{
Clock.RemoveTimer(RestartDecoratee);
if (Decoratee.IsActive)
{
Decoratee.Stop();
}
else
{
Stopped(false);
}
}
protected override void DoChildStopped(Node child, bool result)
{
if (result)
{
if (IsStopRequested || (_loopCount > 0 && ++_currentLoop >= _loopCount))
{
Stopped(true);
}
else
{
Clock.AddTimer(0, 0, RestartDecoratee);
}
}
else
{
Stopped(false);
}
}
protected void RestartDecoratee()
{
Decoratee.Start();
}
}
}OptionsScreen {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
justify-content: flex-start;
align-items: flex-start;
flex-direction: column;
font-weight: bold;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
transform: scale( 1 );
transition: none;
pointer-events: all;
background-color: #111111;
.title {
color: white;
text-shadow: none;
box-shadow: none;
align-self: flex-end;
font-size: 75px;
text-shadow: 0px 0px 2px black;
flex-shrink: 0;
font-family: Consolas;
margin: 20px 0px;
}
.button {
//flex-direction: row;
justify-content: flex-start;
align-items: center;
flex-shrink: 0;
flex-grow: 0;
color: rgba(255,255,255, 0.9);
width: auto;
padding: 15px 32px;
text-align: center;
align-self: center;
font-size: 24px;
font-weight: 600;
margin: 20px;
gap: 0;
transition: all 50ms linear;
cursor: pointer;
}
> .container {
position: relative;
flex-direction: column;
justify-content: space-between;
width: 100%;
height: 100%;
.title {
align-self: center;
font-size: 60px;
flex-shrink: 0;
}
> .buttons {
flex-direction: row;
justify-content: flex-start;
align-items: flex-start;
flex-shrink: 0;
// gap: 8px;
}
.content {
padding: 5px;
flex-grow: 1;
flex-direction: column;
align-self: center;
//border-radius: 20px;
&.bg {
//background-color: rgba(220,220,220,0.5);
}
}
}
// Buttons on the left side
.container .buttons {
.button-bg .button {
width: 100%;
min-width: 400px;
max-width: 600px;
}
}
.content {
height: auto;
// Buttons inside the content box
.buttons {
.button {
padding: 5px;
font-size: 30px;
}
}
&.tabs-container {
flex-grow: 0;
flex-shrink: 0;
overflow: hidden;
}
.tabs-group {
flex-direction: row;
align-items: center;
flex-grow: 0;
.button {
margin: 0 15px;
background-color: #242424;
// Can't remove this sound once it's set
// Use .inactive instead
&:hover {
//sound-in: ui.button.over;
}
&:hover {
background-color: #3B3B3B; //#EC594F;
}
&:active {
background-color: #6E6E6E33; //#D32F2F;
}
&.active {
background-color: #F44336;
}
&.inactive:hover {
sound-in: ui.button.over;
}
}
}
}
.content.tab-content {
// CONTENT ADD HERE
.button {
margin: 0;
}
}
.content.tab-content .button, .menu.buttons .button {
&:hover {
sound-in: ui.button.over;
}
&.green {
background-color: #4CAF50;
&:hover {
background-color: #57BB5A;
}
&:active {
background-color: #45A049;
}
}
&.red {
background-color: #F44336;
&:hover {
background-color: #EC594F;
}
&:active {
background-color: #D32F2F;
}
}
&.gray, &.grey {
background-color: #666;
color: white;
&:hover {
background-color: #777;
}
&:active {
background-color: #444;
}
}
}
.table {
position: relative;
flex-shrink: 1;
flex-grow: 0;
justify-content: center;
flex-wrap: wrap;
color: #9b9fa8;
align-self: center;
max-width: 1500px;
width: 85%;
font-size: 30px;
// TABLE ADD HERE
overflow-y: scroll;
.row {
flex-direction: row;
width: 100%;
align-items: center;
justify-content: center;
flex-grow: 0;
flex-shrink: 0;
font-weight: 600;
margin: 10px 0;
}
.row.title {
color: white;
margin-top: 20px;
padding: 5px 0;
justify-content: flex-start;
font-size: 32px;
font-weight: 800;
border-bottom: 0.2em solid rgb(30, 30, 30, 0.25);
&:first-child {
margin-top: 0;
}
}
.column {
flex-direction: column;
align-items: flex-start;
width: 100%;
}
.column:last-child {
align-items: flex-end;
justify-content: center;
//height: 100%;
}
.column.value {
.button {
width: 100px;
justify-content: center;
}
}
SliderControl {
width: 100%;
}
}
.cycling-selector {
display: flex;
flex-direction: column;
align-items: center;
width: 100%; /* Adjust width as needed */
max-width: 500px; /* Set max width */
background-color: #111; /* Dark background similar to your image */
padding: 10px;
border-radius: 5px;
color: white;
font-family: Arial, sans-serif;
}
.cycling-label {
text-align: center;
margin-bottom: 10px; /* Spacing between label and controls */
font-size: 14px;
width: 100%;
}
.cycling-controls {
display: flex;
align-items: center;
justify-content: space-between;
width: 100%;
.button {
width: auto;
padding: 5px;
}
}
.cycling-controls .value {
align-items: center;
font-weight: bold;
font-size: 22px;
padding: 5px;
}
.cycling-controls .arrow {
border: none;
color: white;
font-size: 40px;
line-height: 10px;
cursor: pointer;
padding: 5px;
&.left {
padding-left: 0;
}
&.right {
padding-right: 0;
}
}
.cycling-controls .arrow:hover {
color: #ccc;
}
}
global using Sandbox;
global using System.Collections.Generic;
global using System.Linq;
global using Microsoft.VisualStudio.TestTools.UnitTesting;
[TestClass]
public class TestInit
{
[AssemblyInitialize]
public static void ClassInitialize( TestContext context )
{
Sandbox.Application.InitUnitTest();
}
}
global using Microsoft.AspNetCore.Components;
global using Microsoft.AspNetCore.Components.Rendering;
global using Sandbox;
global using System.Collections.Generic;
global using System.Linq;
using System.Threading.Tasks;
using System.Threading;
using System;
namespace Duccsoft;
/// <summary>
/// Provides a handy asynchronous wrapper for loading a VideoPlayer and waiting
/// until its video and audio are both loaded.
/// </summary>
public class AsyncVideoLoader
{
public AsyncVideoLoader()
{
_videoPlayer = new VideoPlayer();
}
public AsyncVideoLoader( VideoPlayer player )
{
_videoPlayer = player ?? new VideoPlayer();
}
public bool IsLoading { get; private set; }
private VideoPlayer _videoPlayer;
private Action _onLoaded;
private Action _onAudioReady;
public async Task<VideoPlayer> LoadFromUrl( string url, CancellationToken cancelToken = default )
{
void Play( VideoPlayer player ) => player.Play( url );
await Load( Play, cancelToken );
return _videoPlayer;
}
public async Task<VideoPlayer> LoadFromFile( BaseFileSystem fileSystem, string path, CancellationToken cancelToken )
{
void Play( VideoPlayer player ) => player.Play( fileSystem, path );
await Load( Play, cancelToken );
return _videoPlayer;
}
private async Task Load( Action<VideoPlayer> playAction, CancellationToken cancelToken = default )
{
// Attempting to play a video from a thread would throw an exception.
await GameTask.MainThread( cancelToken );
if ( IsLoading )
{
throw new InvalidOperationException( "Another video was already being loaded. Check IsLoading or create a new instance of AsyncVideoLoader." );
}
IsLoading = true;
bool videoLoaded = false;
bool audioLoaded = false;
// Assign private members instead of named methods to the invocation lists of the
// VideoPlayer delegates to break reference equality between runs.
_onLoaded = () => videoLoaded = true;
_onAudioReady = () => audioLoaded = true;
_videoPlayer.OnLoaded = _onLoaded;
_videoPlayer.OnAudioReady = _onAudioReady;
playAction?.Invoke( _videoPlayer );
// Non-blocking spin until video and audio are loaded.
while ( !videoLoaded || !audioLoaded )
{
// If OnLoaded or OnAudioReady are changed externally before we're finished
// loading, the video will likely never load. Abort to avoid spinning forever.
var callbacksChanged = _onLoaded != _videoPlayer.OnLoaded || _onAudioReady != _videoPlayer.OnAudioReady;
if ( callbacksChanged || cancelToken.IsCancellationRequested )
{
IsLoading = false;
return;
}
await GameTask.Yield();
}
IsLoading = false;
}
}
global using Microsoft.AspNetCore.Components;
global using Microsoft.AspNetCore.Components.Rendering;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.IO;
using Editor;
using Sandbox;
using System.Text;
class SpectogramWidget : Widget
{
private short[] samples;
private int sampleRate;
private List<int> splitPoints = new List<int>();
private int? dragPoint = null;
private Label loadingLabel;
private Label dropLabel;
private bool isLoading = true;
public SoundFile CurrentSound { get; private set; }
public SpectogramWidget(SoundFile soundFile) : base(null)
{
MinimumSize = 100;
MouseTracking = true;
AcceptDrops = true;
loadingLabel = new Label(this);
loadingLabel.Text = "Loading audio data...";
loadingLabel.Visible = false;
dropLabel = new Label(this);
dropLabel.Text = "Drop a sound file here";
dropLabel.SetStyles("font-size: 18px; color: #aaa; text-align: center;");
if (soundFile != null)
{
LoadSound(soundFile);
}
}
public async void LoadSound(SoundFile soundFile)
{
CurrentSound = soundFile;
isLoading = true;
samples = null;
splitPoints.Clear();
loadingLabel.Visible = true;
dropLabel.Visible = false;
await LoadAudioDataAsync(soundFile);
}
private async Task LoadAudioDataAsync(SoundFile soundFile)
{
try
{
await soundFile.LoadAsync();
samples = await soundFile.GetSamplesAsync();
if (samples == null)
{
loadingLabel.Text = "Failed to load audio data";
return;
}
sampleRate = soundFile.Rate;
splitPoints.Add(0);
splitPoints.Add(samples.Length - 1);
loadingLabel.Visible = false;
isLoading = false;
Update();
}
catch (Exception ex)
{
loadingLabel.Text = $"Error loading audio: {ex.Message}";
}
}
protected override void DoLayout()
{
base.DoLayout();
if (loadingLabel != null)
{
loadingLabel.Position = new Vector2(10, Height / 2 - 10);
loadingLabel.Size = new Vector2(Width - 20, 20);
}
if (dropLabel != null)
{
dropLabel.Position = new Vector2(10, Height / 2 - 10);
dropLabel.Size = new Vector2(Width - 20, 20);
}
}
public override void OnDragDrop(DragEvent e)
{
base.OnDragDrop(e);
if (!e.Data.HasFileOrFolder) return;
var asset = AssetSystem.FindByPath(e.Data.FileOrFolder);
if (asset?.AssetType != AssetType.SoundFile) return;
var soundFile = SoundFile.Load(asset.Path);
if (soundFile != null)
{
LoadSound(soundFile);
}
}
public override void OnDragHover(DragEvent e)
{
base.OnDragHover(e);
if (!e.Data.HasFileOrFolder) return;
var asset = AssetSystem.FindByPath(e.Data.FileOrFolder);
if (asset?.AssetType != AssetType.SoundFile) return;
e.Action = DropAction.Link;
}
protected override void OnMouseClick(MouseEvent e)
{
if (isLoading) return;
base.OnMouseClick(e);
if (e.Button == MouseButtons.Left)
{
var samplePos = (int)(e.LocalPosition.x / Width * samples.Length);
var nearPoint = splitPoints.FirstOrDefault(p => Math.Abs(p - samplePos) < (samples.Length / Width * 5));
if (nearPoint != default)
{
dragPoint = splitPoints.IndexOf(nearPoint);
}
else
{
splitPoints.Add(samplePos);
splitPoints.Sort();
Update();
}
}
}
protected override void OnMouseMove(MouseEvent e)
{
if (isLoading) return;
base.OnMouseMove(e);
if (dragPoint.HasValue)
{
var samplePos = (int)(e.LocalPosition.x / Width * samples.Length);
splitPoints[dragPoint.Value] = samplePos;
splitPoints.Sort();
Update();
}
}
protected override void OnMouseReleased(MouseEvent e)
{
if (isLoading) return;
base.OnMouseReleased(e);
dragPoint = null;
}
protected override void OnPaint()
{
base.OnPaint();
if (isLoading || samples == null)
{
return;
}
Paint.ClearPen();
Paint.SetBrush(Theme.Grey.WithAlpha(0.1f));
Paint.DrawRect(LocalRect);
Paint.SetPen(Theme.Blue);
var samplesPerPixel = samples.Length / Width;
for (int x = 0; x < Width; x++)
{
var startSample = (int)(x * samplesPerPixel);
var endSample = Math.Min(startSample + samplesPerPixel, samples.Length);
var max = short.MinValue;
var min = short.MaxValue;
for (int i = startSample; i < endSample; i++)
{
max = Math.Max(max, samples[i]);
min = Math.Min(min, samples[i]);
}
var y1 = Height / 2 + (min / (float)short.MaxValue * Height / 2);
var y2 = Height / 2 + (max / (float)short.MaxValue * Height / 2);
Paint.DrawLine(new Vector2(x, y1), new Vector2(x, y2));
}
Paint.SetPen(Theme.Red);
foreach (var point in splitPoints)
{
var x = point / (float)samples.Length * Width;
Paint.DrawLine(new Vector2(x, 0), new Vector2(x, Height));
}
}
public List<int> GetSplitPoints()
{
return new List<int>(splitPoints);
}
public void SplitCurrentSound(Action<SoundFile> onSoundCreated)
{
if (CurrentSound == null || samples == null) return;
var splitPoints = GetSplitPoints();
if (splitPoints.Count < 2) return;
try
{
var baseFileName = Path.GetFileNameWithoutExtension(CurrentSound.ResourcePath);
var outputDir = Path.Combine(
Project.Current.GetAssetsPath(),
"generated",
$"{baseFileName}_splits"
);
Directory.CreateDirectory(outputDir);
for (int i = 0; i < splitPoints.Count - 1; i++)
{
var start = splitPoints[i];
var end = splitPoints[i + 1];
var length = end - start;
var segmentSamples = new short[length];
Array.Copy(samples, start, segmentSamples, 0, length);
var wavPath = Path.Combine(outputDir, $"{baseFileName}_part_{i + 1}.wav");
using (var writer = new BinaryWriter(File.Create(wavPath)))
{
writer.Write(Encoding.ASCII.GetBytes("RIFF"));
writer.Write(36 + (segmentSamples.Length * 2));
writer.Write(Encoding.ASCII.GetBytes("WAVE"));
writer.Write(Encoding.ASCII.GetBytes("fmt "));
writer.Write(16);
writer.Write((short)1);
writer.Write((short)CurrentSound.Channels);
writer.Write(CurrentSound.Rate);
writer.Write(CurrentSound.Rate * CurrentSound.Channels * 2);
writer.Write((short)(CurrentSound.Channels * 2));
writer.Write((short)16);
writer.Write(Encoding.ASCII.GetBytes("data"));
writer.Write(segmentSamples.Length * 2);
foreach (var sample in segmentSamples)
{
writer.Write(sample);
}
}
var asset = AssetSystem.RegisterFile(wavPath);
if (asset != null)
{
var soundFile = SoundFile.Load(asset.RelativePath);
if (soundFile != null)
{
onSoundCreated?.Invoke(soundFile);
}
}
}
}
catch (Exception ex)
{
Log.Error($"Error splitting sound: {ex.Message}");
}
}
}using System;
namespace SboxMcp.Registry;
public enum ToolCategory
{
Scene,
GameObject,
Component,
Prefab,
Asset,
ModelDoc,
AnimGraph,
ShaderGraph,
ActionGraph,
Code,
Editor,
Retargeter,
Cloud,
Imported
}
/// <summary>
/// Marks a static method as an MCP tool. The registry reflects the method's
/// parameters into a JSON Schema and exposes it via tools/list.
/// </summary>
[AttributeUsage( AttributeTargets.Method )]
public sealed class McpToolAttribute : Attribute
{
public string Name { get; }
public string Description { get; }
public ToolCategory Category { get; }
/// <summary>Write tools are subject to the permission gate (approve-writes / read-only modes).</summary>
public bool Writes { get; init; }
/// <summary>
/// Optional requirement key (e.g. an integration's library ident). The host
/// resolves it via ToolRegistry.RequirementResolver; unresolved tools are
/// hidden from clients and shown disabled in the tool browser.
/// </summary>
public string Requires { get; init; }
/// <summary>
/// Ships disabled; the user must enable it in the tool browser. Used for
/// tools with external effects (e.g. downloading cloud assets).
/// </summary>
public bool DisabledByDefault { get; init; }
public McpToolAttribute( string name, string description, ToolCategory category )
{
Name = name;
Description = description;
Category = category;
}
}
/// <summary>
/// Optional description for a tool parameter, surfaced in the JSON Schema.
/// </summary>
[AttributeUsage( AttributeTargets.Parameter )]
public sealed class DescAttribute : Attribute
{
public string Text { get; }
public DescAttribute( string text ) { Text = text; }
}
/// <summary>
/// Thrown when tool arguments are missing or cannot be bound; surfaced to the
/// MCP client as an isError tool result.
/// </summary>
public sealed class ToolArgumentException : Exception
{
public ToolArgumentException( string message, Exception inner = null ) : base( message, inner ) { }
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text.Json;
using System.Text.Json.Serialization;
using SboxMcp.Server;
namespace SboxMcp.Registry;
/// <summary>
/// A discovered [McpTool] method, with its generated descriptor and an
/// argument-binding invoker.
/// </summary>
public sealed class RegisteredTool
{
public McpToolAttribute Meta { get; }
public MethodInfo Method { get; }
public McpToolDescriptor Descriptor { get; }
/// <summary>
/// Why this tool cannot run right now ("Disabled", "Not Installed", ...),
/// or null when it is available. Evaluated live so user toggles and
/// integrations installed mid-session apply without a restart.
/// </summary>
public string UnavailableReason
{
get
{
if ( ToolRegistry.DisabledResolver?.Invoke( this ) ?? Meta.DisabledByDefault )
return "Disabled";
return Meta.Requires is null ? null : ToolRegistry.RequirementResolver?.Invoke( Meta.Requires );
}
}
public bool IsAvailable => UnavailableReason is null;
internal RegisteredTool( McpToolAttribute meta, MethodInfo method )
{
Meta = meta;
Method = method;
Descriptor = new McpToolDescriptor( meta.Name, BuildDescription( meta ), SchemaGenerator.ForMethod( method ) );
}
static string BuildDescription( McpToolAttribute meta ) =>
meta.Writes ? $"{meta.Description} (modifies project state)" : meta.Description;
/// <summary>
/// Binds JSON arguments to the method's parameters by name and invokes it.
/// Throws ToolArgumentException on missing/unbindable arguments.
/// </summary>
public object Invoke( JsonElement? args )
{
var parameters = Method.GetParameters();
var bound = new object[parameters.Length];
for ( var i = 0; i < parameters.Length; i++ )
{
var p = parameters[i];
// JsonElement params accept explicit null (e.g. to clear a reference
// property); for typed params null falls through to the default
if ( args is { ValueKind: JsonValueKind.Object } a && a.TryGetProperty( p.Name, out var value )
&& (value.ValueKind != JsonValueKind.Null || p.ParameterType == typeof( JsonElement )) )
{
try
{
bound[i] = p.ParameterType == typeof( JsonElement )
? value.Clone()
: value.Deserialize( p.ParameterType, ToolRegistry.BindOptions );
}
catch ( Exception e ) when ( e is JsonException or NotSupportedException )
{
throw new ToolArgumentException(
$"Argument '{p.Name}' could not be read as {p.ParameterType.Name}: {e.Message}", e );
}
}
else if ( p.HasDefaultValue )
{
bound[i] = p.DefaultValue;
}
else
{
throw new ToolArgumentException( $"Missing required argument '{p.Name}'" );
}
}
try
{
return Method.Invoke( null, bound );
}
catch ( TargetInvocationException e ) when ( e.InnerException is not null )
{
throw e.InnerException;
}
}
}
/// <summary>
/// Discovers [McpTool] static methods and serves them to the MCP server.
/// </summary>
public sealed class ToolRegistry
{
/// <summary>
/// Maps a tool's Requires key to an unavailability reason (short, e.g.
/// "Not Installed") or null when the requirement is satisfied. Null
/// resolver = everything available.
/// </summary>
public static Func<string, string> RequirementResolver { get; set; }
/// <summary>
/// Whether the user has disabled this tool. Null resolver = only
/// DisabledByDefault applies.
/// </summary>
public static Func<RegisteredTool, bool> DisabledResolver { get; set; }
internal static readonly JsonSerializerOptions BindOptions = new()
{
PropertyNameCaseInsensitive = true,
Converters = { new JsonStringEnumConverter() }
};
static readonly JsonSerializerOptions ResultOptions = new()
{
WriteIndented = true,
Converters = { new JsonStringEnumConverter() }
};
readonly List<RegisteredTool> _tools = new();
readonly Dictionary<string, RegisteredTool> _byName = new( StringComparer.Ordinal );
public IReadOnlyList<RegisteredTool> Tools => _tools;
public void AddAssembly( Assembly assembly )
{
var methods = assembly.GetTypes()
.Where( t => t.IsClass )
.SelectMany( t => t.GetMethods( BindingFlags.Public | BindingFlags.Static ) )
.Select( m => (Method: m, Meta: m.GetCustomAttribute<McpToolAttribute>()) )
.Where( x => x.Meta is not null )
.OrderBy( x => x.Meta.Name, StringComparer.Ordinal );
foreach ( var (method, meta) in methods )
{
if ( _byName.ContainsKey( meta.Name ) )
continue;
var tool = new RegisteredTool( meta, method );
_tools.Add( tool );
_byName[meta.Name] = tool;
}
}
public RegisteredTool Find( string name ) => _byName.GetValueOrDefault( name );
/// <summary>
/// Registers an arbitrary public static method (from another library) as a
/// tool. Returns null when the name is already taken.
/// </summary>
public RegisteredTool AddImported( string name, string description, ToolCategory category, MethodInfo method )
{
if ( _byName.ContainsKey( name ) )
return null;
var meta = new McpToolAttribute( name, description, category ) { Writes = true };
var tool = new RegisteredTool( meta, method );
_tools.Add( tool );
_byName[name] = tool;
return tool;
}
public void Remove( string name )
{
if ( _byName.Remove( name, out var tool ) )
_tools.Remove( tool );
}
/// <summary>
/// Converts a tool's return value to the text sent back to the client.
/// </summary>
public static string FormatResult( object result ) => result switch
{
null => """{ "ok": true }""",
string s => s,
_ => JsonSerializer.Serialize( result, ResultOptions )
};
}
using System;
using Editor;
using Sandbox;
using SboxMcp.Registry;
using static SboxMcp.Tools.ToolHelpers;
namespace SboxMcp.Tools;
public static class PrefabTools
{
[McpTool( "prefab_instantiate", "Instantiates a prefab into the active scene.", ToolCategory.Prefab, Writes = true )]
public static object Instantiate(
[Desc( "Prefab asset path, e.g. 'prefabs/door.prefab'" )] string prefabPath,
[Desc( "World position [x, y, z]" )] float[] position = null )
{
var session = RequireSession();
var prefabFile = ResourceLibrary.Get<PrefabFile>( prefabPath )
?? throw new InvalidOperationException( $"No prefab at '{prefabPath}' - use asset_search with assetType 'prefab'" );
var prefabScene = SceneUtility.GetPrefabScene( prefabFile )
?? throw new InvalidOperationException( $"Prefab '{prefabPath}' could not be loaded" );
using var undo = session.UndoScope( $"MCP: instantiate {prefabPath}" ).WithGameObjectCreations().Push();
var transform = position is null
? global::Transform.Zero
: new Transform( ToVector3( position, "position" ) );
var instance = prefabScene.Clone( transform );
return Describe( instance );
}
[McpTool( "prefab_create_from_gameobject", "Turns a GameObject (and its children) into a reusable .prefab asset; the original becomes an instance of it.", ToolCategory.Prefab, Writes = true )]
public static object CreateFromGameObject(
[Desc( "GameObject id or unique name" )] string gameObject,
[Desc( "Output path ending in .prefab, e.g. 'prefabs/door.prefab'" )] string prefabPath )
{
if ( !prefabPath.EndsWith( ".prefab", StringComparison.OrdinalIgnoreCase ) )
throw new ArgumentException( "prefabPath must end in .prefab" );
var session = RequireSession();
var go = FindGameObject( gameObject );
var absolute = AssetTools.ResolveNewAssetPath( prefabPath );
if ( System.IO.File.Exists( absolute ) )
throw new InvalidOperationException( $"'{prefabPath}' already exists" );
System.IO.Directory.CreateDirectory( System.IO.Path.GetDirectoryName( absolute ) );
using var undo = session.UndoScope( $"MCP: create prefab {prefabPath}" )
.WithGameObjectChanges( go, GameObjectUndoFlags.All ).Push();
EditorUtility.Prefabs.ConvertGameObjectToPrefab( go, absolute );
return new { created = prefabPath, instanceId = go.Id };
}
[McpTool( "prefab_break_instance", "Unlinks a prefab instance so it becomes plain GameObjects.", ToolCategory.Prefab, Writes = true )]
public static object BreakInstance( [Desc( "GameObject id or unique name of the prefab instance root" )] string gameObject )
{
var session = RequireSession();
var go = FindGameObject( gameObject );
if ( !go.IsPrefabInstance )
throw new InvalidOperationException( $"'{go.Name}' is not a prefab instance" );
using var undo = session.UndoScope( "MCP: break prefab instance" )
.WithGameObjectChanges( go, GameObjectUndoFlags.All ).Push();
go.BreakFromPrefab();
return Describe( go );
}
[McpTool( "prefab_update_from_prefab", "Re-syncs a prefab instance from its source prefab file.", ToolCategory.Prefab, Writes = true )]
public static object UpdateFromPrefab( [Desc( "GameObject id or unique name of the prefab instance root" )] string gameObject )
{
var session = RequireSession();
var go = FindGameObject( gameObject );
if ( !go.IsPrefabInstance )
throw new InvalidOperationException( $"'{go.Name}' is not a prefab instance" );
using var undo = session.UndoScope( "MCP: update from prefab" )
.WithGameObjectChanges( go, GameObjectUndoFlags.All ).Push();
go.UpdateFromPrefab();
return Describe( go );
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Editor;
using Sandbox;
using SboxMcp.Integration;
namespace SboxMcp.UI;
/// <summary>
/// Pick public static methods from installed libraries (and other loaded
/// code) to expose as MCP tools. Searchable; libraries are listed separately
/// from everything else. Choices apply immediately and persist.
/// </summary>
public class ImportToolsDialog : Dialog
{
readonly LineEdit _search;
readonly ScrollArea _scroll;
public ImportToolsDialog( Widget parent ) : base( parent )
{
Window.WindowTitle = "Import Tools From Library";
Window.SetWindowIcon( "library_add" );
Window.SetModal( true, true );
Window.MinimumWidth = 560;
Window.MinimumHeight = 480;
Layout = Layout.Column();
Layout.Margin = 16;
Layout.Spacing = 8;
var hint = Layout.Add( new Label(
"Expose public static methods from installed libraries as MCP tools. "
+ "Imported tools persist, re-bind every session, and are write-gated by approvals.", this ) );
hint.SetStyles( $"color: {Theme.TextLight.Hex}; font-size: 11px;" );
hint.WordWrap = true;
_search = Layout.Add( new LineEdit( this ) { PlaceholderText = "Search methods, types or libraries..." } );
_search.TextEdited += _ => Rebuild();
_scroll = new ScrollArea( this );
_scroll.Canvas = new Widget( _scroll );
_scroll.Canvas.Layout = Layout.Column();
_scroll.Canvas.Layout.Spacing = 2;
_scroll.Canvas.Layout.Margin = 4;
_scroll.Canvas.VerticalSizeMode = SizeMode.CanGrow;
_scroll.Canvas.HorizontalSizeMode = SizeMode.Flexible;
Layout.Add( _scroll, 1 );
var buttons = Layout.AddRow();
buttons.AddStretchCell();
var done = buttons.Add( new Button.Primary( "Done" ) { Icon = "check" } );
done.Clicked = Close; // Dialog.Close closes the host window (Destroy leaves it black)
Rebuild();
}
void Rebuild()
{
var canvas = _scroll.Canvas;
canvas.Layout.Clear( true );
var query = _search.Text;
var candidates = ToolImporter.CandidateAssemblies().ToList();
AddSection( canvas, "Libraries", "extension",
candidates.Where( ToolImporter.IsLibraryAssembly ).ToList(), query );
AddSection( canvas, "Project & Other", "folder",
candidates.Where( a => !ToolImporter.IsLibraryAssembly( a ) ).ToList(), query );
canvas.Layout.AddStretchCell();
}
void AddSection( Widget canvas, string title, string icon, List<Assembly> assemblies, string query )
{
var header = canvas.Layout.Add( new Label( title, canvas ) );
header.SetStyles( $"color: {Theme.Blue.Hex}; font-size: 12px; font-weight: 700; margin-top: 8px;" );
var any = false;
foreach ( var assembly in assemblies )
{
var methods = ToolImporter.CandidateMethods( assembly )
.Where( m => Matches( assembly, m, query ) )
.Take( 60 )
.ToList();
if ( methods.Count == 0 )
continue;
any = true;
var name = canvas.Layout.Add( new Label( ToolImporter.FriendlyName( assembly ), canvas ) );
name.SetStyles( $"color: {Theme.Text.Hex}; font-size: 11px; font-weight: 600; margin-top: 4px; margin-left: 6px;" );
foreach ( var method in methods )
{
var parameters = string.Join( ", ", method.GetParameters().Select( p => p.Name ) );
var check = canvas.Layout.Add( new Checkbox( $"{method.DeclaringType?.Name}.{method.Name}({parameters})", canvas )
{
Value = ToolImporter.IsImported( method )
} );
check.ToolTip = method.DeclaringType?.FullName;
var captured = method;
check.Clicked = () =>
{
if ( check.Value )
ToolImporter.Import( captured );
else
ToolImporter.Unimport( captured );
};
}
}
if ( !any )
{
var empty = canvas.Layout.Add( new Label(
string.IsNullOrWhiteSpace( query ) ? "Nothing importable found." : "No matches.", canvas ) );
empty.SetStyles( $"color: {Theme.TextLight.Hex}; font-size: 11px; margin-left: 6px;" );
}
}
static bool Matches( Assembly assembly, MethodInfo method, string query )
{
if ( string.IsNullOrWhiteSpace( query ) )
return true;
return method.Name.Contains( query, StringComparison.OrdinalIgnoreCase )
|| (method.DeclaringType?.Name.Contains( query, StringComparison.OrdinalIgnoreCase ) ?? false)
|| ToolImporter.FriendlyName( assembly ).Contains( query, StringComparison.OrdinalIgnoreCase );
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using Editor;
using Sandbox;
using SboxMcp.Integration;
using SboxMcp.Registry;
namespace SboxMcp.UI;
/// <summary>
/// Searchable, category-filterable browser of every tool the server exposes.
/// Doubles as documentation.
/// </summary>
public class ToolsPage : Widget
{
readonly LineEdit _search;
readonly List<CategoryChip> _chips = new();
readonly ScrollArea _scroll;
int _builtSignature = -1;
public ToolsPage( Widget parent ) : base( parent )
{
Layout = Layout.Column();
Layout.Margin = 12;
Layout.Spacing = 8;
var searchRow = Layout.AddRow();
searchRow.Spacing = 6;
_search = searchRow.Add( new LineEdit( this ) { PlaceholderText = "Search tools..." }, 1 );
_search.TextEdited += _ => Rebuild();
var import = searchRow.Add( new Button( "Import Tools", "library_add" ) );
import.ToolTip = "Expose public static methods from other installed libraries as MCP tools";
import.Clicked = () => new ImportToolsDialog( this ).Show();
// FlowRow wraps the chips to new lines on narrow docks instead of
// letting them overlap
var chipFlow = Layout.Add( new FlowRow( this ) );
foreach ( var category in Enum.GetValues<ToolCategory>() )
{
var chip = new CategoryChip( category, chipFlow, clickable: true );
chip.OnToggled = Rebuild;
_chips.Add( chip );
chipFlow.AddItem( chip );
}
_scroll = new ScrollArea( this );
_scroll.Canvas = new Widget( _scroll );
_scroll.Canvas.Layout = Layout.Column();
_scroll.Canvas.Layout.Spacing = 2;
_scroll.Canvas.VerticalSizeMode = SizeMode.CanGrow;
_scroll.Canvas.HorizontalSizeMode = SizeMode.Flexible;
Layout.Add( _scroll, 1 );
Rebuild();
}
/// <summary>
/// The dock restores before McpHost initializes, so the registry is empty
/// at construction time - poll until tools appear.
/// </summary>
public void Tick()
{
var sig = Signature();
if ( sig == _builtSignature )
return;
Rebuild();
}
static int Signature()
{
var tools = McpHost.Registry?.Tools;
return tools is null ? 0 : tools.Count * 1000 + tools.Count( t => t.IsAvailable );
}
void Rebuild()
{
_builtSignature = Signature();
var canvas = _scroll.Canvas;
canvas.Layout.Clear( true );
var query = _search.Text;
var enabled = _chips.Where( c => c.Toggled ).Select( c => c.Category ).ToHashSet();
var tools = (McpHost.Registry?.Tools ?? (IReadOnlyList<RegisteredTool>)Array.Empty<RegisteredTool>())
.Where( t => enabled.Contains( t.Meta.Category ) )
.Where( t => string.IsNullOrWhiteSpace( query )
|| t.Meta.Name.Contains( query, StringComparison.OrdinalIgnoreCase )
|| t.Meta.Description.Contains( query, StringComparison.OrdinalIgnoreCase ) )
.ToList();
var count = canvas.Layout.Add( new Label( $"{tools.Count} tools", canvas ) );
count.SetStyles( $"color: {Palette.TextDim.Hex}; font-size: 10px;" );
foreach ( var tool in tools )
canvas.Layout.Add( new ToolRow( tool, canvas ) );
canvas.Layout.AddStretchCell();
}
}
/// <summary>
/// One tool entry: name (mono), write badge, wrapped description.
/// </summary>
public class ToolRow : Widget
{
const float ToggleWidth = 40;
readonly RegisteredTool _tool;
public ToolRow( RegisteredTool tool, Widget parent ) : base( parent )
{
_tool = tool;
FixedHeight = 40;
ToolTip = tool.Meta.Description + "\n\nClick the toggle to enable/disable this tool.";
}
bool UserDisabled => McpSettings.GetToolDisabledOverride( _tool.Meta.Name ) ?? _tool.Meta.DisabledByDefault;
protected override void OnMouseClick( MouseEvent e )
{
base.OnMouseClick( e );
// the toggle lives in the right strip of the row
if ( e.LocalPosition.x < LocalRect.Right - ToggleWidth )
return;
McpSettings.SetToolDisabled( _tool.Meta.Name, !UserDisabled );
Update();
}
protected override void OnPaint()
{
Paint.Antialiasing = true;
Paint.ClearPen();
var unavailable = _tool.UnavailableReason;
var disabled = unavailable is not null;
var accent = Palette.For( _tool.Meta.Category );
if ( disabled )
accent = accent.WithAlpha( 0.35f );
if ( Paint.HasMouseOver && !disabled )
{
Paint.SetBrush( Color.White.WithAlpha( 0.03f ) );
Paint.DrawRect( LocalRect, 5 );
}
// category color tick
Paint.SetBrush( accent );
Paint.DrawRect( new Rect( LocalRect.Left + 2, LocalRect.Top + 8, 3, LocalRect.Height - 16 ), 1.5f );
// name
Paint.SetPen( disabled ? Palette.TextDim.WithAlpha( 0.6f ) : Palette.TextBright );
Paint.SetFont( "Consolas", 8, 600 );
var nameWidth = Paint.MeasureText( _tool.Meta.Name ).x;
Paint.DrawText( new Rect( LocalRect.Left + 14, LocalRect.Top + 4, nameWidth + 4, 14 ), _tool.Meta.Name, TextFlag.LeftCenter );
var badgeLeft = LocalRect.Left + 20 + nameWidth;
// writes badge
if ( _tool.Meta.Writes && !disabled )
{
var badge = new Rect( badgeLeft, LocalRect.Top + 5, 44, 13 );
Paint.SetBrush( Palette.Error.WithAlpha( 0.18f ) );
Paint.DrawRect( badge, 6 );
Paint.SetPen( Palette.Error );
Paint.SetDefaultFont( 6, 700 );
Paint.DrawText( badge, "WRITES", TextFlag.Center );
}
// unavailable badge, e.g. "Not Installed"
if ( disabled )
{
Paint.SetDefaultFont( 6, 700 );
var badgeWidth = Paint.MeasureText( unavailable ).x + 12;
var badge = new Rect( badgeLeft, LocalRect.Top + 5, badgeWidth, 13 );
Paint.SetBrush( Palette.TextDim.WithAlpha( 0.15f ) );
Paint.DrawRect( badge, 6 );
Paint.SetPen( Palette.TextDim );
Paint.DrawText( badge, unavailable, TextFlag.Center );
}
// description
Paint.SetPen( disabled ? Palette.TextDim.WithAlpha( 0.5f ) : Palette.TextDim );
Paint.SetDefaultFont( 7 );
Paint.DrawText( new Rect( LocalRect.Left + 14, LocalRect.Top + 20, LocalRect.Width - ToggleWidth - 20, 14 ),
_tool.Meta.Description, TextFlag.LeftCenter | TextFlag.SingleLine );
// enable/disable toggle (persisted per tool)
var off = UserDisabled;
Paint.SetPen( off ? Palette.TextDim : Theme.Green );
Paint.DrawIcon( new Rect( LocalRect.Right - ToggleWidth, LocalRect.Top, ToggleWidth - 8, LocalRect.Height ),
off ? "toggle_off" : "toggle_on", 22, TextFlag.Center );
}
}
using System.Text.Json;
using SboxMcp.Server;
using Xunit;
namespace SboxMcp.Tests;
public class ProtocolTests
{
[Fact]
public void Parse_request_with_id_and_params()
{
var req = JsonRpcRequest.Parse( """{"jsonrpc":"2.0","id":7,"method":"tools/call","params":{"name":"x"}}""" );
Assert.False( req.IsNotification );
Assert.Equal( 7, req.Id.Value.GetInt32() );
Assert.Equal( "tools/call", req.Method );
Assert.Equal( "x", req.Params.Value.GetProperty( "name" ).GetString() );
}
[Fact]
public void Parse_notification_has_no_id()
{
var req = JsonRpcRequest.Parse( """{"jsonrpc":"2.0","method":"notifications/initialized"}""" );
Assert.True( req.IsNotification );
Assert.Equal( "notifications/initialized", req.Method );
}
[Fact]
public void Parse_invalid_json_throws()
{
Assert.Throws<JsonRpcParseException>( () => JsonRpcRequest.Parse( "{nope" ) );
}
[Fact]
public void Parse_missing_method_throws()
{
Assert.Throws<JsonRpcParseException>( () => JsonRpcRequest.Parse( """{"jsonrpc":"2.0","id":1}""" ) );
}
[Fact]
public void Writer_result_emits_envelope()
{
var id = JsonDocument.Parse( "3" ).RootElement;
var json = JsonRpcWriter.Result( id, new { protocolVersion = "2025-06-18" } );
var doc = JsonDocument.Parse( json ).RootElement;
Assert.Equal( "2.0", doc.GetProperty( "jsonrpc" ).GetString() );
Assert.Equal( 3, doc.GetProperty( "id" ).GetInt32() );
Assert.Equal( "2025-06-18", doc.GetProperty( "result" ).GetProperty( "protocolVersion" ).GetString() );
}
[Fact]
public void Writer_error_emits_code_and_message()
{
var json = JsonRpcWriter.Error( null, JsonRpcError.MethodNotFound, "no such method" );
var doc = JsonDocument.Parse( json ).RootElement;
Assert.Equal( JsonValueKind.Null, JsonKind( doc, "id" ) );
Assert.Equal( -32601, doc.GetProperty( "error" ).GetProperty( "code" ).GetInt32() );
Assert.Equal( "no such method", doc.GetProperty( "error" ).GetProperty( "message" ).GetString() );
}
[Fact]
public void Records_serialize_camel_case()
{
var schema = JsonDocument.Parse( """{"type":"object"}""" ).RootElement;
var json = JsonRpcWriter.Result( null,
McpResults.ToolsList( new[] { new McpToolDescriptor( "a_tool", "does things", schema ) } ) );
var doc = JsonDocument.Parse( json ).RootElement;
var tool = doc.GetProperty( "result" ).GetProperty( "tools" )[0];
Assert.Equal( "a_tool", tool.GetProperty( "name" ).GetString() );
Assert.Equal( "does things", tool.GetProperty( "description" ).GetString() );
Assert.Equal( "object", tool.GetProperty( "inputSchema" ).GetProperty( "type" ).GetString() );
}
[Fact]
public void Version_negotiation()
{
// only 2025-06-18 is supported (older revisions require JSON-RPC batching)
Assert.Equal( "2025-06-18", McpVersion.Negotiate( "2025-06-18" ) );
Assert.Equal( "2025-06-18", McpVersion.Negotiate( "2025-03-26" ) );
Assert.Equal( "2025-06-18", McpVersion.Negotiate( null ) );
}
[Fact]
public void Null_id_is_rejected()
{
Assert.Throws<JsonRpcParseException>( () =>
JsonRpcRequest.Parse( """{"jsonrpc":"2.0","id":null,"method":"ping"}""" ) );
}
[Fact]
public void Text_content_shape()
{
var json = JsonRpcWriter.Result( null, McpResults.TextContent( "hello", isError: true ) );
var result = JsonDocument.Parse( json ).RootElement.GetProperty( "result" );
Assert.Equal( "text", result.GetProperty( "content" )[0].GetProperty( "type" ).GetString() );
Assert.Equal( "hello", result.GetProperty( "content" )[0].GetProperty( "text" ).GetString() );
Assert.True( result.GetProperty( "isError" ).GetBoolean() );
}
[Fact]
public void Image_content_shape()
{
var json = JsonRpcWriter.Result( null, McpResults.ImageContent( "QUJD", "a screenshot" ) );
var content = JsonDocument.Parse( json ).RootElement.GetProperty( "result" ).GetProperty( "content" );
Assert.Equal( "image", content[0].GetProperty( "type" ).GetString() );
Assert.Equal( "QUJD", content[0].GetProperty( "data" ).GetString() );
Assert.Equal( "image/png", content[0].GetProperty( "mimeType" ).GetString() );
Assert.Equal( "a screenshot", content[1].GetProperty( "text" ).GetString() );
}
static JsonValueKind JsonKind( JsonElement el, string prop ) =>
el.TryGetProperty( prop, out var v ) ? v.ValueKind : JsonValueKind.Undefined;
}
using System;
using Sandbox;
namespace Goo.Animation;
public record struct SmoothVector2
{
public Vector2 Current;
public Vector2 Target;
public Vector2 Velocity;
public float SmoothTime;
public SmoothVector2(Vector2 initial, float smoothTime)
{
Current = initial;
Target = initial;
Velocity = default;
SmoothTime = smoothTime;
}
public void Update(float dt)
{
float vx = Velocity.x, vy = Velocity.y;
Current = new Vector2(
MathX.SmoothDamp(Current.x, Target.x, ref vx, SmoothTime, dt),
MathX.SmoothDamp(Current.y, Target.y, ref vy, SmoothTime, dt));
Velocity = new Vector2(vx, vy);
}
public bool IsSettled =>
MathF.Abs(Target.x - Current.x) < 0.0001f &&
MathF.Abs(Target.y - Current.y) < 0.0001f &&
MathF.Abs(Velocity.x) < 0.0001f &&
MathF.Abs(Velocity.y) < 0.0001f;
/// <summary>Advances by dt and returns true while still moving; chain calls with | (not ||) so every damper advances each frame.</summary>
public bool Tick(float dt) { Update(dt); return !IsSettled; }
}
using Sandbox;
using Sandbox.Rendering;
using Sandbox.UI;
namespace Goo;
// Style helpers hoisted so generated Blob facades share them. Keep the early-return form: an engine-type ternary that resolves bare null via an implicit string operator silently produces magenta (Color.Parse fallback) instead of the intended absent-property. See engine-fact memories.
internal static class StyleAccumulator
{
static StyleList Rent(StyleList current)
=> ReferenceEquals(current, StyleList.Empty)
? BuildContext.Current.RentStyleList()
: current;
public static StyleList Add(StyleList current, StyleField field, Length? value)
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromLength(value.Value));
return list;
}
public static StyleList Add<TEnum>(StyleList current, StyleField field, TEnum? value, System.Func<TEnum, StyleValue> wrap) where TEnum : struct
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, wrap(value.Value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, Color? value, System.Func<Color, StyleValue> wrap)
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, wrap(value.Value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, string? value)
{
if (value is null) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromString(value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, float? value)
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromSingle(value.Value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, bool? value)
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromBoolean(value.Value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, int? value)
{
if (!value.HasValue) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromInt32(value.Value));
return list;
}
public static StyleList Add(StyleList current, StyleField field, Texture? value)
{
if (value is null) return current;
var list = Rent(current);
list.Add(field, StyleValue.FromTexture(value));
return list;
}
}