2026-04-16 오브젝트 그림자
This commit is contained in:
skrwns304@gmail.com
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using System.Collections.Generic;
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using System.Reflection;
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using UnityEngine;
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using UnityEditor;
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using UnityEngine.Rendering;
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using UnityEngine.Experimental.Rendering;
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namespace BadDog.Rendering.AreaLight.Editor
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{
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public class PreIntegratedFGDWindow : EditorWindow
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{
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private PreIntegratedFGD.FGDIndex m_FGDIndex = PreIntegratedFGD.FGDIndex.FGD_GGXAndDisneyDiffuse;
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private RenderTexture m_PreviewTexture = null;
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private bool m_IsInitialized = false;
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private PreIntegratedFGD.FGDIndex m_LastFGDIndex = PreIntegratedFGD.FGDIndex.FGD_GGXAndDisneyDiffuse;
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[MenuItem("BadDog/Rendering/Area Light/Pre-Integrated FGD Preview")]
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private static void ShowWindow()
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{
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var window = GetWindow<PreIntegratedFGDWindow>("Pre-Integrated FGD Preview", true);
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window.minSize = new Vector2(512, 512);
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window.Show();
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}
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private void OnEnable()
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{
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InitializePreview();
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}
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private void OnDisable()
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{
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CleanupPreview();
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}
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private void OnGUI()
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{
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EditorGUILayout.Space();
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DrawOptions();
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EditorGUILayout.Space();
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DrawPreview();
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}
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private void DrawOptions()
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{
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EditorGUILayout.BeginVertical("box");
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EditorGUILayout.LabelField("Options", EditorStyles.boldLabel);
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// Ensure we don't select Count
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if (m_FGDIndex == PreIntegratedFGD.FGDIndex.Count)
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{
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m_FGDIndex = PreIntegratedFGD.FGDIndex.FGD_GGXAndDisneyDiffuse;
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}
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// Create enum without Count and Marschner (not implemented)
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var validValues = System.Enum.GetValues(typeof(PreIntegratedFGD.FGDIndex));
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var displayNames = new System.Collections.Generic.List<string>();
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var enumValues = new System.Collections.Generic.List<PreIntegratedFGD.FGDIndex>();
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foreach (PreIntegratedFGD.FGDIndex value in validValues)
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{
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if (value != PreIntegratedFGD.FGDIndex.Count && value != PreIntegratedFGD.FGDIndex.FGD_Marschner)
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{
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displayNames.Add(value.ToString());
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enumValues.Add(value);
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}
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}
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int currentIndex = enumValues.IndexOf(m_FGDIndex);
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if (currentIndex < 0)
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{
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// If current index is invalid (e.g., Marschner), reset to first valid option
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currentIndex = 0;
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if (enumValues.Count > 0)
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{
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m_FGDIndex = enumValues[0];
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}
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}
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EditorGUI.BeginChangeCheck();
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int newIndex = EditorGUILayout.Popup("FGD Type", currentIndex, displayNames.ToArray());
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bool changed = EditorGUI.EndChangeCheck();
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if (changed && newIndex >= 0 && newIndex < enumValues.Count)
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{
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m_FGDIndex = enumValues[newIndex];
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UpdatePreview();
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}
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if (GUILayout.Button("Refresh Preview"))
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{
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UpdatePreview();
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}
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EditorGUILayout.EndVertical();
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}
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private void DrawPreview()
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{
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EditorGUILayout.BeginVertical("box");
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EditorGUILayout.LabelField("Preview", EditorStyles.boldLabel);
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if (m_PreviewTexture != null && m_PreviewTexture.IsCreated())
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{
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int resolution = (int)PreIntegratedFGD.FGDTexture.Resolution;
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Rect labelRect = GUILayoutUtility.GetLastRect();
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Rect rect = GUILayoutUtility.GetRect(resolution, resolution, GUILayout.ExpandWidth(false), GUILayout.ExpandHeight(false));
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rect.height = rect.width; // Make it square
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// Center the preview horizontally
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float availableWidth = EditorGUIUtility.currentViewWidth;
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rect.x = (availableWidth - rect.width) * 0.5f;
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var sRGBWrite = GL.sRGBWrite;
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GL.sRGBWrite = false;
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EditorGUI.DrawPreviewTexture(rect, m_PreviewTexture);
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GL.sRGBWrite = sRGBWrite;
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}
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else
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{
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EditorGUILayout.HelpBox("Preview texture not available. Click 'Refresh Preview' to generate.", MessageType.Info);
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}
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EditorGUILayout.EndVertical();
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}
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private void InitializePreview()
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{
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if (m_IsInitialized)
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{
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return;
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}
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int resolution = (int)PreIntegratedFGD.FGDTexture.Resolution;
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m_PreviewTexture = new RenderTexture(resolution, resolution, 0, GraphicsFormat.A2B10G10R10_UNormPack32)
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{
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hideFlags = HideFlags.HideAndDontSave,
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filterMode = FilterMode.Bilinear,
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wrapMode = TextureWrapMode.Clamp,
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name = "PreIntegratedFGD_Preview"
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};
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m_PreviewTexture.Create();
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m_IsInitialized = true;
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UpdatePreview();
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}
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private void CleanupPreview()
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{
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if (m_IsInitialized)
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{
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PreIntegratedFGD.instance.Cleanup(m_LastFGDIndex);
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m_IsInitialized = false;
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}
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if (m_PreviewTexture != null)
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{
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DestroyImmediate(m_PreviewTexture);
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m_PreviewTexture = null;
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}
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}
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private void UpdatePreview()
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{
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if (!m_IsInitialized || m_PreviewTexture == null)
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{
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return;
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}
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// Validate FGD index
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if (m_FGDIndex == PreIntegratedFGD.FGDIndex.Count || (int)m_FGDIndex >= (int)PreIntegratedFGD.FGDIndex.Count)
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{
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Debug.LogError($"Invalid FGD index: {m_FGDIndex}");
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return;
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}
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// Cleanup previous FGD index if it's different and was built
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if (m_LastFGDIndex != m_FGDIndex)
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{
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// Validate last index before accessing array
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if (m_LastFGDIndex != PreIntegratedFGD.FGDIndex.Count && (int)m_LastFGDIndex < (int)PreIntegratedFGD.FGDIndex.Count)
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{
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// Check if the previous index was actually built by checking refCounting
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var fgdType = typeof(PreIntegratedFGD);
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var refCountingField = fgdType.GetField("m_refCounting", BindingFlags.NonPublic | BindingFlags.Instance);
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if (refCountingField != null)
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{
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var refCounting = refCountingField.GetValue(PreIntegratedFGD.instance) as int[];
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if (refCounting != null && (int)m_LastFGDIndex >= 0 && (int)m_LastFGDIndex < refCounting.Length && refCounting[(int)m_LastFGDIndex] > 0)
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{
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PreIntegratedFGD.instance.Cleanup(m_LastFGDIndex);
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}
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}
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}
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m_LastFGDIndex = m_FGDIndex;
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}
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// Build new (this increments refCounting)
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PreIntegratedFGD.instance.Build(m_FGDIndex);
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// Render the FGD texture
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CommandBuffer cmd = CommandBufferPool.Get("PreIntegratedFGD Preview");
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PreIntegratedFGD.instance.RenderInit(m_FGDIndex, cmd);
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Graphics.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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// Get the internal texture using reflection
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var fgdType2 = typeof(PreIntegratedFGD);
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var fieldInfo = fgdType2.GetField("m_PreIntegratedFGD", BindingFlags.NonPublic | BindingFlags.Instance);
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if (fieldInfo != null)
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{
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var textures = fieldInfo.GetValue(PreIntegratedFGD.instance) as RenderTexture[];
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if (textures != null && (int)m_FGDIndex >= 0 && (int)m_FGDIndex < textures.Length && textures[(int)m_FGDIndex] != null && textures[(int)m_FGDIndex].IsCreated())
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{
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Graphics.Blit(textures[(int)m_FGDIndex], m_PreviewTexture);
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}
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}
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Repaint();
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}
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}
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}
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@@ -0,0 +1,9 @@
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fileFormatVersion: 2
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guid: 44fa7453efc94394b87b7e9343c6a80f
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AssetOrigin:
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serializedVersion: 1
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productId: 346790
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packageName: Realtime Area Light for URP
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packageVersion: 1.3.0
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assetPath: Packages/com.baddog.rendering.arealight/Editor/Material/PreIntegratedFGD/PreIntegratedFGDWindow.cs
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uploadId: 884030
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