Rasagar/Library/PackageCache/com.unity.cinemachine/Editor/Editors/CinemachineVirtualCameraEditor.cs
2024-08-26 23:07:20 +03:00

311 lines
13 KiB
C#

using UnityEngine;
using UnityEditor;
using System;
using System.Collections.Generic;
using Cinemachine.Utility;
using System.Reflection;
using System.Linq;
namespace Cinemachine.Editor
{
[CustomEditor(typeof(CinemachineVirtualCamera))]
[CanEditMultipleObjects]
internal class CinemachineVirtualCameraEditor
: CinemachineVirtualCameraBaseEditor<CinemachineVirtualCamera>
{
VcamStageEditorPipeline m_PipelineSet = new VcamStageEditorPipeline();
[MenuItem("CONTEXT/CinemachineVirtualCamera/Adopt Game View Camera Settings")]
static void AdoptGameViewCameraSettings(MenuCommand command)
{
var vcam = command.context as CinemachineVirtualCamera;
var brain = CinemachineCore.Instance.FindPotentialTargetBrain(vcam);
if (brain != null)
{
vcam.m_Lens = brain.CurrentCameraState.Lens;
vcam.transform.position = brain.transform.position;
vcam.transform.rotation = brain.transform.rotation;
}
}
[MenuItem("CONTEXT/CinemachineVirtualCamera/Adopt Scene View Camera Settings")]
static void AdoptSceneViewCameraSettings(MenuCommand command)
{
var vcam = command.context as CinemachineVirtualCamera;
vcam.m_Lens = CinemachineMenu.MatchSceneViewCamera(vcam.transform);
}
protected override void OnEnable()
{
base.OnEnable();
Undo.undoRedoPerformed += ResetTargetOnUndo;
m_PipelineSet.Initialize(
// GetComponent
(stage, result) =>
{
int numNullComponents = 0;
foreach (var obj in targets)
{
var vcam = obj as CinemachineVirtualCamera;
if (vcam != null)
{
var c = vcam.GetCinemachineComponent(stage);
if (c != null)
result.Add(c);
else
++numNullComponents;
}
}
return numNullComponents;
},
// SetComponent
(stage, type) =>
{
Undo.SetCurrentGroupName("Cinemachine pipeline change");
foreach (var obj in targets)
{
var vcam = obj as CinemachineVirtualCamera;
Transform owner = vcam == null ? null : vcam.GetComponentOwner();
if (owner == null)
continue; // maybe it's a prefab
var c = vcam.GetCinemachineComponent(stage);
if (c != null && c.GetType() == type)
continue;
if (c != null)
{
Undo.DestroyObjectImmediate(c);
vcam.InvalidateComponentPipeline();
}
if (type != null)
{
Undo.AddComponent(owner.gameObject, type);
vcam.InvalidateComponentPipeline();
}
}
});
// We only look at the first target here, on purpose
if (Target != null && Target.m_LockStageInInspector != null)
foreach (var s in Target.m_LockStageInInspector)
m_PipelineSet.SetStageIsLocked(s);
#if UNITY_2021_2_OR_NEWER
CinemachineSceneToolUtility.RegisterTool(typeof(FoVTool));
CinemachineSceneToolUtility.RegisterTool(typeof(FarNearClipTool));
#endif
}
protected override void OnDisable()
{
Undo.undoRedoPerformed -= ResetTargetOnUndo;
m_PipelineSet.Shutdown();
base.OnDisable();
#if UNITY_2021_2_OR_NEWER
CinemachineSceneToolUtility.UnregisterTool(typeof(FoVTool));
CinemachineSceneToolUtility.UnregisterTool(typeof(FarNearClipTool));
#endif
}
void OnSceneGUI()
{
m_PipelineSet.OnSceneGUI(); // call hidden editors' OnSceneGUI
#if UNITY_2021_2_OR_NEWER
DrawSceneTools();
#endif
}
#if UNITY_2021_2_OR_NEWER
void DrawSceneTools()
{
var vcam = Target;
if (vcam == null || !vcam.IsValid || vcam.m_ExcludedPropertiesInInspector.Contains("m_Lens"))
{
return;
}
var originalColor = Handles.color;
Handles.color = Handles.preselectionColor;
if (CinemachineSceneToolUtility.IsToolActive(typeof(FoVTool)))
{
CinemachineSceneToolHelpers.FovToolHandle(vcam,
new SerializedObject(vcam).FindProperty(() => vcam.m_Lens),
vcam.m_Lens, IsHorizontalFOVUsed());
}
else if (CinemachineSceneToolUtility.IsToolActive(typeof(FarNearClipTool)))
{
CinemachineSceneToolHelpers.NearFarClipHandle(vcam,
new SerializedObject(vcam).FindProperty(() => vcam.m_Lens));
}
Handles.color = originalColor;
}
#endif
public override void OnInspectorGUI()
{
if (Target.GetComponentOwner() == null)
{
EditorGUILayout.HelpBox(
"It's not possible to add this component to a prefab instance. "
+ "Instead, you can open the Prefab in Prefab Mode or unpack "
+ "the Prefab instance to remove the Prefab connection.",
MessageType.Error);
return;
}
BeginInspector();
DrawHeaderInInspector();
DrawPropertyInInspector(FindProperty(x => x.m_Priority));
DrawTargetsInInspector(FindProperty(x => x.m_Follow), FindProperty(x => x.m_LookAt));
DrawPropertyInInspector(FindProperty(x => x.m_StandbyUpdate));
DrawLensSettingsInInspector(FindProperty(x => x.m_Lens));
DrawRemainingPropertiesInInspector();
m_PipelineSet.OnInspectorGUI(!IsPropertyExcluded("Header"));
DrawExtensionsWidgetInInspector();
}
void ResetTargetOnUndo()
{
ResetTarget();
for (int i = 0; i < targets.Length; ++i)
(targets[i] as CinemachineVirtualCamera).InvalidateComponentPipeline();
}
/// <summary>
/// Register with CinemachineVirtualCamera to create the pipeline in an undo-friendly manner
/// </summary>
[InitializeOnLoad]
class CreatePipelineWithUndo
{
static CreatePipelineWithUndo()
{
CinemachineVirtualCamera.CreatePipelineOverride =
(CinemachineVirtualCamera vcam, string name, CinemachineComponentBase[] copyFrom) =>
{
// Recycle existing pipeline child (if any)
GameObject go = null;
foreach (Transform child in vcam.transform)
{
if (child.GetComponent<CinemachinePipeline>() != null)
{
go = child.gameObject;
break;
}
}
if (go == null)
{
// Create a new pipeline - can't do it if prefab instance
if (PrefabUtility.IsPartOfAnyPrefab(vcam.gameObject))
return null;
go = ObjectFactory.CreateGameObject(name);
Undo.RegisterCreatedObjectUndo(go, "created pipeline");
Undo.SetTransformParent(go.transform, vcam.transform, "parenting pipeline");
Undo.AddComponent<CinemachinePipeline>(go);
}
var oldStuff = go.GetComponents<CinemachineComponentBase>();
foreach (var c in oldStuff)
Undo.DestroyObjectImmediate(c);
// If copying, transfer the components
if (copyFrom != null)
{
foreach (Component c in copyFrom)
{
Component copy = Undo.AddComponent(go, c.GetType());
Undo.RecordObject(copy, "copying pipeline");
ReflectionHelpers.CopyFields(c, copy);
}
}
return go.transform;
};
CinemachineVirtualCamera.DestroyPipelineOverride = (GameObject pipeline) =>
{
var oldStuff = pipeline.GetComponents<CinemachineComponentBase>();
foreach (var c in oldStuff)
Undo.DestroyObjectImmediate(c);
// Cannot create or destroy child objects if prefab.
// Just leave it there in that case, it will get discovered and recycled.
if (!PrefabUtility.IsPartOfAnyPrefab(pipeline))
Undo.DestroyObjectImmediate(pipeline);
};
}
}
// Because the cinemachine components are attached to hidden objects, their
// gizmos don't get drawn by default. We have to do it explicitly.
[InitializeOnLoad]
static class CollectGizmoDrawers
{
static CollectGizmoDrawers()
{
m_GizmoDrawers = new Dictionary<Type, MethodInfo>();
string definedIn = typeof(CinemachineComponentBase).Assembly.GetName().Name;
Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly assembly in assemblies)
{
// Note that we have to call GetName().Name. Just GetName() will not work.
if ((!assembly.GlobalAssemblyCache)
&& ((assembly.GetName().Name == definedIn)
|| assembly.GetReferencedAssemblies().Any(a => a.Name == definedIn)))
{
try
{
foreach (var type in assembly.GetTypes())
{
try
{
bool added = false;
foreach (var method in type.GetMethods(
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static))
{
if (added)
break;
if (!method.IsStatic)
continue;
var attributes = method.GetCustomAttributes(typeof(DrawGizmo), true) as DrawGizmo[];
foreach (var a in attributes)
{
if (typeof(CinemachineComponentBase).IsAssignableFrom(a.drawnType) && !a.drawnType.IsAbstract)
{
m_GizmoDrawers.Add(a.drawnType, method);
added = true;
break;
}
}
}
}
catch (Exception) {} // Just skip uncooperative types
}
}
catch (Exception) {} // Just skip uncooperative assemblies
}
}
}
public static Dictionary<Type, MethodInfo> m_GizmoDrawers;
}
[DrawGizmo(GizmoType.Active | GizmoType.InSelectionHierarchy, typeof(CinemachineVirtualCamera))]
internal static void DrawVirtualCameraGizmos(CinemachineVirtualCamera vcam, GizmoType selectionType)
{
var pipeline = vcam.GetComponentPipeline();
if (pipeline != null)
{
foreach (var c in pipeline)
{
if (c == null)
continue;
MethodInfo method;
if (CollectGizmoDrawers.m_GizmoDrawers.TryGetValue(c.GetType(), out method))
{
if (method != null)
method.Invoke(null, new object[] {c, selectionType});
}
}
}
}
}
}