chore: import upstream snapshot with attribution
This commit is contained in:
wehub-resource-sync
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using System;
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using Newtonsoft.Json.Linq;
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using MCPForUnity.Editor.Helpers;
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using UnityEditor;
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using UnityEditor.Animations;
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using UnityEngine;
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namespace MCPForUnity.Editor.Tools.Animation
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{
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internal static class AnimatorControl
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{
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public static object Play(JObject @params)
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{
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var go = ObjectResolver.ResolveGameObject(@params["target"], @params["searchMethod"]?.ToString());
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if (go == null)
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return new { success = false, message = "Target GameObject not found" };
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var animator = go.GetComponent<Animator>();
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if (animator == null)
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return new { success = false, message = $"No Animator component on '{go.name}'" };
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string stateName = @params["stateName"]?.ToString();
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if (string.IsNullOrEmpty(stateName))
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return new { success = false, message = "'stateName' is required" };
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int layer = @params["layer"]?.ToObject<int>() ?? -1;
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Undo.RecordObject(animator, "Play Animation State");
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animator.Play(stateName, layer);
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return new { success = true, message = $"Playing state '{stateName}' on '{go.name}'" };
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}
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public static object Crossfade(JObject @params)
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{
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var go = ObjectResolver.ResolveGameObject(@params["target"], @params["searchMethod"]?.ToString());
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if (go == null)
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return new { success = false, message = "Target GameObject not found" };
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var animator = go.GetComponent<Animator>();
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if (animator == null)
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return new { success = false, message = $"No Animator component on '{go.name}'" };
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string stateName = @params["stateName"]?.ToString();
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if (string.IsNullOrEmpty(stateName))
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return new { success = false, message = "'stateName' is required" };
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float duration = @params["duration"]?.ToObject<float>() ?? 0.25f;
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int layer = @params["layer"]?.ToObject<int>() ?? -1;
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Undo.RecordObject(animator, "Crossfade Animation State");
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animator.CrossFade(stateName, duration, layer);
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return new { success = true, message = $"Crossfading to '{stateName}' over {duration}s on '{go.name}'" };
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}
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public static object SetParameter(JObject @params)
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{
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var go = ObjectResolver.ResolveGameObject(@params["target"], @params["searchMethod"]?.ToString());
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if (go == null)
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return new { success = false, message = "Target GameObject not found" };
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var animator = go.GetComponent<Animator>();
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if (animator == null)
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return new { success = false, message = $"No Animator component on '{go.name}'" };
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string paramName = @params["parameterName"]?.ToString();
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if (string.IsNullOrEmpty(paramName))
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return new { success = false, message = "'parameterName' is required" };
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string paramType = @params["parameterType"]?.ToString()?.ToLowerInvariant();
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// Auto-detect type if not specified
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if (string.IsNullOrEmpty(paramType))
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{
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for (int i = 0; i < animator.parameterCount; i++)
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{
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var p = animator.GetParameter(i);
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if (p.name == paramName)
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{
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paramType = p.type.ToString().ToLowerInvariant();
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break;
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}
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}
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if (string.IsNullOrEmpty(paramType))
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return new { success = false, message = $"Parameter '{paramName}' not found. Specify 'parameterType' explicitly or check the parameter name." };
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}
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JToken valueToken = @params["value"];
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// In Edit mode, runtime Animator.SetFloat/SetInteger/SetBool are no-ops because
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// the Animator graph isn't active. Instead, modify the controller asset's default
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// parameter values so changes actually persist.
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bool isPlaying = Application.isPlaying;
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if (isPlaying)
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{
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Undo.RecordObject(animator, $"Set Animator Parameter {paramName}");
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switch (paramType)
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{
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case "float":
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float fVal = valueToken?.ToObject<float>() ?? 0f;
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animator.SetFloat(paramName, fVal);
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return new { success = true, message = $"Set float '{paramName}' = {fVal}" };
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case "int":
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case "integer":
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int iVal = valueToken?.ToObject<int>() ?? 0;
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animator.SetInteger(paramName, iVal);
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return new { success = true, message = $"Set int '{paramName}' = {iVal}" };
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case "bool":
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case "boolean":
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bool bVal = valueToken?.ToObject<bool>() ?? false;
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animator.SetBool(paramName, bVal);
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return new { success = true, message = $"Set bool '{paramName}' = {bVal}" };
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case "trigger":
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animator.SetTrigger(paramName);
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return new { success = true, message = $"Set trigger '{paramName}'" };
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default:
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return new { success = false, message = $"Unknown parameter type: {paramType}. Valid: float, int, bool, trigger" };
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}
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}
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else
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{
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// Edit mode: modify the AnimatorController asset's default parameter values
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var controller = animator.runtimeAnimatorController as AnimatorController;
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if (controller == null)
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return new { success = false, message = $"No AnimatorController assigned to Animator on '{go.name}'. Cannot set parameter defaults in Edit mode." };
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var allParams = controller.parameters;
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int paramIndex = -1;
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for (int i = 0; i < allParams.Length; i++)
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{
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if (allParams[i].name == paramName)
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{
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paramIndex = i;
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break;
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}
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}
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if (paramIndex < 0)
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return new { success = false, message = $"Parameter '{paramName}' not found on controller '{controller.name}'." };
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Undo.RecordObject(controller, $"Set Parameter Default {paramName}");
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switch (paramType)
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{
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case "float":
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float fVal = valueToken?.ToObject<float>() ?? 0f;
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allParams[paramIndex].defaultFloat = fVal;
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controller.parameters = allParams;
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EditorUtility.SetDirty(controller);
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AssetDatabase.SaveAssets();
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return new { success = true, message = $"Set float '{paramName}' = {fVal} (default value, Edit mode)" };
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case "int":
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case "integer":
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int iVal = valueToken?.ToObject<int>() ?? 0;
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allParams[paramIndex].defaultInt = iVal;
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controller.parameters = allParams;
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EditorUtility.SetDirty(controller);
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AssetDatabase.SaveAssets();
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return new { success = true, message = $"Set int '{paramName}' = {iVal} (default value, Edit mode)" };
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case "bool":
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case "boolean":
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bool bVal = valueToken?.ToObject<bool>() ?? false;
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allParams[paramIndex].defaultBool = bVal;
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controller.parameters = allParams;
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EditorUtility.SetDirty(controller);
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AssetDatabase.SaveAssets();
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return new { success = true, message = $"Set bool '{paramName}' = {bVal} (default value, Edit mode)" };
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case "trigger":
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return new { success = true, message = $"Trigger '{paramName}' noted (triggers are runtime-only, no default to set)" };
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default:
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return new { success = false, message = $"Unknown parameter type: {paramType}. Valid: float, int, bool, trigger" };
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}
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}
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}
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public static object SetSpeed(JObject @params)
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{
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var go = ObjectResolver.ResolveGameObject(@params["target"], @params["searchMethod"]?.ToString());
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if (go == null)
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return new { success = false, message = "Target GameObject not found" };
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var animator = go.GetComponent<Animator>();
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if (animator == null)
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return new { success = false, message = $"No Animator component on '{go.name}'" };
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float speed = @params["speed"]?.ToObject<float>() ?? 1f;
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Undo.RecordObject(animator, "Set Animator Speed");
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animator.speed = speed;
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return new { success = true, message = $"Set animator speed to {speed} on '{go.name}'" };
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}
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public static object SetEnabled(JObject @params)
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{
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var go = ObjectResolver.ResolveGameObject(@params["target"], @params["searchMethod"]?.ToString());
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if (go == null)
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return new { success = false, message = "Target GameObject not found" };
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var animator = go.GetComponent<Animator>();
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if (animator == null)
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return new { success = false, message = $"No Animator component on '{go.name}'" };
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bool enabled = @params["enabled"]?.ToObject<bool>() ?? true;
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Undo.RecordObject(animator, "Set Animator Enabled");
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animator.enabled = enabled;
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return new { success = true, message = $"Animator {(enabled ? "enabled" : "disabled")} on '{go.name}'" };
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}
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}
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}
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