99 lines
4.4 KiB
C#
99 lines
4.4 KiB
C#
using System.Collections.Generic;
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using Unity.Pipeline.Commands;
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using UnityEditor;
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using UnityEngine;
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namespace Unity.Pipeline.Editor.Commands.ProjectSettings
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{
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/// <summary>
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/// Get/set a representative slice of 3D <see cref="Physics"/> settings (CLI-202): gravity (by
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/// component), default solver iterations, and the bounce threshold.
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/// </summary>
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public static class PhysicsSettingsCommands
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{
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const string Group = "physics";
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[CliCommand("get_physics_settings", "Read Physics settings (gravity, solver iterations, bounce threshold).", MainThreadRequired = true)]
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public static ProjectSettingsResponse Get() => ProjectSettingsCommand.Get(Group, Read);
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[CliCommand("set_physics_settings", "Change Physics settings. Requires confirm=true; use dry_run to preview. Not undoable via Ctrl+Z.", MainThreadRequired = true)]
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public static ProjectSettingsResponse Set(
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[CliArg("settings", "Fields to change; omitted fields are left unchanged.")] PhysicsSettingsInput settings = null,
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[CliArg("confirm", "Apply the change. Without it the call is refused.")] bool confirm = false,
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[CliArg("dry_run", "Preview the change without applying it.")] bool dryRun = false)
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{
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if (settings == null)
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return ProjectSettingsResponse.Fail(Group, "No 'settings' object provided.");
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var changes = new List<string>();
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var gravity = Physics.gravity;
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var newGravity = gravity;
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if (settings.GravityX.HasValue) newGravity.x = settings.GravityX.Value;
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if (settings.GravityY.HasValue) newGravity.y = settings.GravityY.Value;
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if (settings.GravityZ.HasValue) newGravity.z = settings.GravityZ.Value;
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if (newGravity != gravity)
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changes.Add($"gravity {gravity} -> {newGravity}");
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if (settings.DefaultSolverIterations.HasValue && settings.DefaultSolverIterations.Value != Physics.defaultSolverIterations)
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changes.Add($"defaultSolverIterations {Physics.defaultSolverIterations} -> {settings.DefaultSolverIterations.Value}");
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if (settings.BounceThreshold.HasValue && !Mathf.Approximately(settings.BounceThreshold.Value, Physics.bounceThreshold))
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changes.Add($"bounceThreshold {Physics.bounceThreshold} -> {settings.BounceThreshold.Value}");
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if (changes.Count == 0)
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return NoChanges();
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var planText = "Set physics settings: " + string.Join("; ", changes);
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void Apply()
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{
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Physics.gravity = newGravity;
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if (settings.DefaultSolverIterations.HasValue) Physics.defaultSolverIterations = settings.DefaultSolverIterations.Value;
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if (settings.BounceThreshold.HasValue) Physics.bounceThreshold = settings.BounceThreshold.Value;
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AssetDatabase.SaveAssets();
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}
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return ProjectSettingsCommand.Apply(Group, confirm, dryRun, settings, () => planText, Apply, Read);
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}
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static ProjectSettingsResponse NoChanges()
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{
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var response = ProjectSettingsCommand.Get(Group, Read);
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response.Message = "No changes specified; nothing to apply.";
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return response;
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}
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static Dictionary<string, object> Read()
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{
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var g = Physics.gravity;
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return new Dictionary<string, object>
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{
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["gravityX"] = g.x,
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["gravityY"] = g.y,
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["gravityZ"] = g.z,
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["defaultSolverIterations"] = Physics.defaultSolverIterations,
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["bounceThreshold"] = Physics.bounceThreshold
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};
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}
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}
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/// <summary>Physics settings to change. Null/omitted fields are left unchanged.</summary>
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public class PhysicsSettingsInput : IStructuredCommandInput
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{
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[CliArg("gravityX", "Gravity X component.")]
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public float? GravityX { get; set; }
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[CliArg("gravityY", "Gravity Y component (e.g. -9.81).")]
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public float? GravityY { get; set; }
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[CliArg("gravityZ", "Gravity Z component.")]
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public float? GravityZ { get; set; }
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[CliArg("defaultSolverIterations", "Default solver iteration count.")]
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public int? DefaultSolverIterations { get; set; }
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[CliArg("bounceThreshold", "Bounce threshold velocity.")]
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public float? BounceThreshold { get; set; }
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}
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}
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