chore: import upstream snapshot with attribution
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wehub-resource-sync
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using System;
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using System.Collections.Generic;
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using System.Reflection;
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using MCPForUnity.Editor.Helpers;
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using Newtonsoft.Json.Linq;
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using UnityEditor;
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using UnityEngine;
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using MCPForUnity.Runtime.Helpers;
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namespace MCPForUnity.Editor.Tools.Cameras
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{
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internal static class CameraCreate
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{
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private static readonly Dictionary<string, (string body, string aim)> Presets = new(StringComparer.OrdinalIgnoreCase)
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{
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["follow"] = ("CinemachineFollow", "CinemachineRotationComposer"),
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["third_person"] = ("CinemachineThirdPersonFollow", "CinemachineRotationComposer"),
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["freelook"] = ("CinemachineOrbitalFollow", "CinemachineRotationComposer"),
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["dolly"] = ("CinemachineSplineDolly", "CinemachineRotationComposer"),
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["static"] = (null, "CinemachineHardLookAt"),
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["top_down"] = ("CinemachineFollow", null),
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["side_scroller"] = ("CinemachinePositionComposer", null),
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};
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internal static object CreateBasicCamera(JObject @params)
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{
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var props = CameraHelpers.ExtractProperties(@params) ?? new JObject();
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string name = ParamCoercion.CoerceString(props["name"], null) ?? "Camera";
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float fov = ParamCoercion.CoerceFloat(props["fieldOfView"], 60f);
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float near = ParamCoercion.CoerceFloat(props["nearClipPlane"], 0.3f);
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float far = ParamCoercion.CoerceFloat(props["farClipPlane"], 1000f);
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var go = new GameObject(name);
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Undo.RegisterCreatedObjectUndo(go, $"Create Camera '{name}'");
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var cam = go.AddComponent<UnityEngine.Camera>();
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cam.fieldOfView = fov;
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cam.nearClipPlane = near;
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cam.farClipPlane = far;
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// Position near follow target if provided
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string follow = ParamCoercion.CoerceString(props["follow"], null);
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if (follow != null)
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{
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var target = CameraHelpers.ResolveGameObjectRef(follow);
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if (target != null)
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go.transform.position = target.transform.position + new Vector3(0, 5, -10);
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}
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// Look at target if provided
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string lookAt = ParamCoercion.CoerceString(props["lookAt"] ?? props["look_at"], null);
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if (lookAt != null)
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{
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var target = CameraHelpers.ResolveGameObjectRef(lookAt);
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if (target != null)
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go.transform.LookAt(target.transform);
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}
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CameraHelpers.MarkDirty(go);
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return new
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{
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success = true,
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message = $"Created basic Camera '{name}' (Cinemachine not installed — using Unity Camera).",
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data = new
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{
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instanceID = go.GetInstanceIDCompat(),
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cinemachine = false,
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hint = "Install com.unity.cinemachine for presets, blending, and virtual camera features."
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}
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};
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}
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internal static object CreateCinemachineCamera(JObject @params)
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{
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var props = CameraHelpers.ExtractProperties(@params) ?? new JObject();
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string name = ParamCoercion.CoerceString(props["name"], null) ?? "CM Camera";
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string preset = ParamCoercion.CoerceString(props["preset"], null) ?? "follow";
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int priority = ParamCoercion.CoerceInt(props["priority"], 10);
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if (!Presets.TryGetValue(preset, out var presetDef))
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{
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return new ErrorResponse(
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$"Unknown preset '{preset}'. Valid presets: {string.Join(", ", Presets.Keys)}.");
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}
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var go = new GameObject(name);
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Undo.RegisterCreatedObjectUndo(go, $"Create CinemachineCamera '{name}'");
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// Add CinemachineCamera component
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var cmType = CameraHelpers.CinemachineCameraType;
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var cmCamera = go.AddComponent(cmType);
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// PrioritySettings is a struct with Enabled + m_Value — use SerializedProperty
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using (var so = new SerializedObject(cmCamera))
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{
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var priorityProp = so.FindProperty("Priority");
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if (priorityProp != null)
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{
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var enabledProp = priorityProp.FindPropertyRelative("Enabled");
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var valueProp = priorityProp.FindPropertyRelative("m_Value");
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if (enabledProp != null) enabledProp.boolValue = true;
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if (valueProp != null) valueProp.intValue = priority;
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so.ApplyModifiedProperties();
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}
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else
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{
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CameraHelpers.SetReflectionProperty(cmCamera, "Priority", priority);
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}
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}
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// Add Body component
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string bodyName = null;
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if (presetDef.body != null)
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{
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var bodyType = CameraHelpers.ResolveComponentType(presetDef.body);
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if (bodyType != null)
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{
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go.AddComponent(bodyType);
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bodyName = presetDef.body;
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}
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}
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// Add Aim component
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string aimName = null;
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if (presetDef.aim != null)
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{
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var aimType = CameraHelpers.ResolveComponentType(presetDef.aim);
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if (aimType != null)
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{
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go.AddComponent(aimType);
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aimName = presetDef.aim;
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}
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}
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// Set Follow target
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var followToken = props["follow"];
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if (followToken != null && followToken.Type != JTokenType.Null)
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CameraHelpers.SetTransformTarget(cmCamera, "Follow", followToken);
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// Set LookAt target
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var lookAtToken = props["lookAt"] ?? props["look_at"];
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if (lookAtToken != null && lookAtToken.Type != JTokenType.Null)
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CameraHelpers.SetTransformTarget(cmCamera, "LookAt", lookAtToken);
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CameraHelpers.MarkDirty(go);
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return new
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{
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success = true,
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message = $"Created CinemachineCamera '{name}' with preset '{preset}'.",
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data = new
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{
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instanceID = go.GetInstanceIDCompat(),
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cinemachine = true,
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preset,
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priority,
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body = bodyName,
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aim = aimName
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}
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};
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}
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internal static object EnsureBrain(JObject @params)
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{
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var props = CameraHelpers.ExtractProperties(@params) ?? new JObject();
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// Check if Brain already exists
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var existingBrain = CameraHelpers.FindBrain();
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if (existingBrain != null)
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{
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return new
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{
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success = true,
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message = $"CinemachineBrain already exists on '{existingBrain.gameObject.name}'.",
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data = new
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{
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instanceID = existingBrain.gameObject.GetInstanceIDCompat(),
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alreadyExisted = true
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}
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};
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}
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// Find target camera
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string cameraRef = ParamCoercion.CoerceString(props["camera"], null);
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UnityEngine.Camera cam;
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if (cameraRef != null)
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{
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var camGo = CameraHelpers.ResolveGameObjectRef(cameraRef);
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cam = camGo != null ? camGo.GetComponent<UnityEngine.Camera>() : null;
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}
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else
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{
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cam = CameraHelpers.FindMainCamera();
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}
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if (cam == null)
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return new ErrorResponse("No Camera found to add CinemachineBrain to.");
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var brainType = CameraHelpers.CinemachineBrainType;
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Undo.RecordObject(cam.gameObject, "Add CinemachineBrain");
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var brain = cam.gameObject.AddComponent(brainType);
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// Configure default blend if provided
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string blendStyle = ParamCoercion.CoerceString(props["defaultBlendStyle"] ?? props["default_blend_style"], null);
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float blendDuration = ParamCoercion.CoerceFloat(props["defaultBlendDuration"] ?? props["default_blend_duration"], -1f);
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if (blendStyle != null || blendDuration >= 0)
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{
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// Set via SerializedProperty for the DefaultBlend struct
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using var so = new SerializedObject(brain);
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var defaultBlendProp = so.FindProperty("DefaultBlend") ?? so.FindProperty("m_DefaultBlend");
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if (defaultBlendProp != null)
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{
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if (blendStyle != null)
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{
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var styleProp = defaultBlendProp.FindPropertyRelative("Style")
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?? defaultBlendProp.FindPropertyRelative("m_Style");
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if (styleProp != null)
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{
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int idx = Array.FindIndex(styleProp.enumNames,
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n => n.Equals(blendStyle, StringComparison.OrdinalIgnoreCase));
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if (idx >= 0)
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styleProp.enumValueIndex = idx;
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}
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}
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if (blendDuration >= 0)
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{
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var timeProp = defaultBlendProp.FindPropertyRelative("Time")
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?? defaultBlendProp.FindPropertyRelative("m_Time");
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if (timeProp != null)
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timeProp.floatValue = blendDuration;
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}
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so.ApplyModifiedProperties();
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}
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}
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CameraHelpers.MarkDirty(cam.gameObject);
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return new
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{
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success = true,
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message = $"CinemachineBrain added to '{cam.gameObject.name}'.",
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data = new
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{
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instanceID = cam.gameObject.GetInstanceIDCompat(),
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alreadyExisted = false
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}
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};
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}
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}
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}
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