Dimka Bakery

Game/CourierOld/Assets/Code/LightMapping.meta

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+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Game/CourierOld/Assets/Code/LightMapping/LightProbeRuntime.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.Rendering;
+
+public class LightProbeRuntime : MonoBehaviour
+{
+    public Color m_Ambient;
+    Light[] m_Lights;
+
+    // Start is called before the first frame update
+    IEnumerator Start()
+    {
+        yield return null;
+
+        m_Lights = FindObjectsOfType<Light>();
+        SphericalHarmonicsL2[] bakedProbes = LightmapSettings.lightProbes.bakedProbes;
+        Vector3[] probePositions = LightmapSettings.lightProbes.positions;
+        int probeCount = LightmapSettings.lightProbes.count;
+
+        // Clear all probes
+        for (int i = 0; i < probeCount; i++)
+            bakedProbes[i].Clear();
+
+        // Add ambient light to all probes
+        for (int i = 0; i < probeCount; i++)
+            bakedProbes[i].AddAmbientLight(m_Ambient);
+
+        // Add directional and point lights' contribution to all probes
+        foreach (Light l in m_Lights)
+        {
+            if (l.type == LightType.Directional)
+            {
+                for (int i = 0; i < probeCount; i++)
+                    bakedProbes[i].AddDirectionalLight(-l.transform.forward, l.color, l.intensity);
+            }
+            else if (l.type == LightType.Point)
+            {
+                for (int i = 0; i < probeCount; i++)
+                    SHAddPointLight(probePositions[i], l.transform.position, l.range, l.color, l.intensity, ref bakedProbes[i]);
+            }
+        }
+        LightmapSettings.lightProbes.bakedProbes = bakedProbes;
+    }
+
+    void SHAddPointLight(Vector3 probePosition, Vector3 position, float range, Color color, float intensity, ref SphericalHarmonicsL2 sh)
+    {
+        // From the point of view of an SH probe, point light looks no different than a directional light,
+        // just attenuated and coming from the right direction.
+        Vector3 probeToLight = position - probePosition;
+        float attenuation = 1.0F / (1.0F + 25.0F * probeToLight.sqrMagnitude / (range * range));
+        sh.AddDirectionalLight(probeToLight.normalized, color, intensity * attenuation);
+    }
+}

Game/CourierOld/Assets/Code/LightMapping/LightProbeRuntime.cs.meta

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+fileFormatVersion: 2
+guid: 9643888b3364f55439c6adf3309cc447

Game/CourierOld/Assets/Code/LightMapping/PrefabLightmapData.cs

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+using UnityEngine;
+using UnityEditor;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.SceneManagement;
+
+[ExecuteAlways]
+public class PrefabLightmapData : MonoBehaviour
+{
+    [Tooltip("Reassigns shaders when applying the baked lightmaps. Might conflict with some shaders like transparent HDRP.")]
+    public bool releaseShaders = true;
+    
+    [System.Serializable]
+    struct RendererInfo
+    {
+        public Renderer renderer;
+        public int lightmapIndex;
+        public Vector4 lightmapOffsetScale;
+    }
+    [System.Serializable]
+    struct LightInfo
+    {
+        public Light light;
+        public int lightmapBaketype;
+        public int mixedLightingMode;
+    }
+
+    [SerializeField]
+    RendererInfo[] m_RendererInfo;
+    [SerializeField]
+    Texture2D[] m_Lightmaps;
+    [SerializeField]
+    Texture2D[] m_LightmapsDir;
+    [SerializeField]
+    Texture2D[] m_ShadowMasks;
+    [SerializeField]
+    LightInfo[] m_LightInfo;
+
+
+    void Awake()
+    {
+        Init();
+    }
+
+    void Init()
+    {
+        if (m_RendererInfo == null || m_RendererInfo.Length == 0)
+            return;
+
+        var lightmaps = LightmapSettings.lightmaps;
+        int[] offsetsindexes = new int[m_Lightmaps.Length];
+        int counttotal = lightmaps.Length;
+        List<LightmapData> combinedLightmaps = new List<LightmapData>();
+
+        for (int i = 0; i < m_Lightmaps.Length; i++)
+        {
+            bool exists = false;
+            for (int j = 0; j < lightmaps.Length; j++)
+            {
+
+                if (m_Lightmaps[i] == lightmaps[j].lightmapColor)
+                {
+                    exists = true;
+                    offsetsindexes[i] = j;
+
+                }
+
+            }
+            if (!exists)
+            {
+                offsetsindexes[i] = counttotal;
+                var newlightmapdata = new LightmapData
+                {
+                    lightmapColor = m_Lightmaps[i],
+                    lightmapDir = m_LightmapsDir.Length == m_Lightmaps.Length ? m_LightmapsDir[i] : default(Texture2D),
+                    shadowMask = m_ShadowMasks.Length == m_Lightmaps.Length  ? m_ShadowMasks[i] : default(Texture2D),
+                };
+
+                combinedLightmaps.Add(newlightmapdata);
+
+                counttotal += 1;
+
+
+            }
+
+        }
+
+        var combinedLightmaps2 = new LightmapData[counttotal];
+
+        lightmaps.CopyTo(combinedLightmaps2, 0);
+        combinedLightmaps.ToArray().CopyTo(combinedLightmaps2, lightmaps.Length);
+
+        bool directional=true;
+
+        foreach(Texture2D t in m_LightmapsDir)
+        {
+            if (t == null)
+            {
+                directional = false;
+                break;
+            }
+        }
+
+        LightmapSettings.lightmapsMode = (m_LightmapsDir.Length == m_Lightmaps.Length && directional) ? LightmapsMode.CombinedDirectional : LightmapsMode.NonDirectional;
+        ApplyRendererInfo(m_RendererInfo, offsetsindexes, m_LightInfo);
+        LightmapSettings.lightmaps = combinedLightmaps2;
+    }
+
+    void OnEnable()
+    {
+
+        SceneManager.sceneLoaded += OnSceneLoaded;
+
+    }
+
+    // called second
+    void OnSceneLoaded(Scene scene, LoadSceneMode mode)
+    {
+        Init();
+    }
+
+    // called when the game is terminated
+    void OnDisable()
+    {
+        SceneManager.sceneLoaded -= OnSceneLoaded;
+    }
+
+
+
+    void ApplyRendererInfo(RendererInfo[] infos, int[] lightmapOffsetIndex, LightInfo[] lightsInfo)
+    {
+        for (int i = 0; i < infos.Length; i++)
+        {
+            var info = infos[i];
+
+            info.renderer.lightmapIndex = lightmapOffsetIndex[info.lightmapIndex];
+            info.renderer.lightmapScaleOffset = info.lightmapOffsetScale;
+
+            if (releaseShaders)
+            {
+                // You have to release shaders.
+                Material[] mat = info.renderer.sharedMaterials;
+                for (int j = 0; j < mat.Length; j++)
+                {
+                    if (mat[j] != null && Shader.Find(mat[j].shader.name) != null)
+                    {
+                        mat[j].shader = Shader.Find(mat[j].shader.name);
+                    }
+                    
+                }
+            }
+
+        }
+
+        for (int i = 0; i < lightsInfo.Length; i++)
+        {
+            LightBakingOutput bakingOutput = new LightBakingOutput();
+            bakingOutput.isBaked = true;
+            bakingOutput.lightmapBakeType = (LightmapBakeType)lightsInfo[i].lightmapBaketype;
+            bakingOutput.mixedLightingMode = (MixedLightingMode)lightsInfo[i].mixedLightingMode;
+
+            lightsInfo[i].light.bakingOutput = bakingOutput;
+
+        }
+
+
+    }
+
+#if UNITY_EDITOR
+    [UnityEditor.MenuItem("Assets/Bake Prefab Lightmaps")]
+    static void GenerateLightmapInfo()
+    {
+        if (UnityEditor.Lightmapping.giWorkflowMode != UnityEditor.Lightmapping.GIWorkflowMode.OnDemand)
+        {
+            Debug.LogError("ExtractLightmapData requires that you have baked you lightmaps and Auto mode is disabled.");
+            return;
+        }
+        UnityEditor.Lightmapping.Bake();
+
+        PrefabLightmapData[] prefabs = FindObjectsOfType<PrefabLightmapData>();
+
+        foreach (var instance in prefabs)
+        {
+            var gameObject = instance.gameObject;
+            var rendererInfos = new List<RendererInfo>();
+            var lightmaps = new List<Texture2D>();
+            var lightmapsDir = new List<Texture2D>();
+            var shadowMasks = new List<Texture2D>();
+            var lightsInfos = new List<LightInfo>();
+
+            GenerateLightmapInfo(gameObject, rendererInfos, lightmaps, lightmapsDir, shadowMasks, lightsInfos);
+
+            instance.m_RendererInfo = rendererInfos.ToArray();
+            instance.m_Lightmaps = lightmaps.ToArray();
+            instance.m_LightmapsDir = lightmapsDir.ToArray();
+            instance.m_LightInfo = lightsInfos.ToArray();
+            instance.m_ShadowMasks = shadowMasks.ToArray();
+#if UNITY_2018_3_OR_NEWER
+            var targetPrefab = PrefabUtility.GetCorrespondingObjectFromOriginalSource(instance.gameObject) as GameObject;
+            if (targetPrefab != null)
+            {
+                GameObject root = PrefabUtility.GetOutermostPrefabInstanceRoot(instance.gameObject);// 根结点
+                //如果当前预制体是是某个嵌套预制体的一部分（IsPartOfPrefabInstance）
+                if (root != null)
+                {
+                    GameObject rootPrefab = PrefabUtility.GetCorrespondingObjectFromSource(instance.gameObject);
+                    string rootPath = AssetDatabase.GetAssetPath(rootPrefab);
+                    //打开根部预制体
+                    PrefabUtility.UnpackPrefabInstanceAndReturnNewOutermostRoots(root, PrefabUnpackMode.OutermostRoot);
+                    try
+                    {
+                        //Apply各个子预制体的改变
+                        PrefabUtility.ApplyPrefabInstance(instance.gameObject, InteractionMode.AutomatedAction);
+                    }
+                    catch { }
+                    finally
+                    {
+                        //重新更新根预制体
+                        PrefabUtility.SaveAsPrefabAssetAndConnect(root, rootPath, InteractionMode.AutomatedAction);
+                    }
+                }
+                else
+                {
+                    PrefabUtility.ApplyPrefabInstance(instance.gameObject, InteractionMode.AutomatedAction);
+                }
+            }
+#else
+            var targetPrefab = UnityEditor.PrefabUtility.GetPrefabParent(gameObject) as GameObject;
+            if (targetPrefab != null)
+            {
+                //UnityEditor.Prefab
+                UnityEditor.PrefabUtility.ReplacePrefab(gameObject, targetPrefab);
+            }
+#endif
+        }
+
+
+    }
+
+    static void GenerateLightmapInfo(GameObject root, List<RendererInfo> rendererInfos, List<Texture2D> lightmaps, List<Texture2D> lightmapsDir, List<Texture2D> shadowMasks, List<LightInfo> lightsInfo)
+    {
+        var renderers = root.GetComponentsInChildren<MeshRenderer>();
+        foreach (MeshRenderer renderer in renderers)
+        {
+            if (renderer.lightmapIndex != -1)
+            {
+                RendererInfo info = new RendererInfo();
+                info.renderer = renderer;
+
+                if (renderer.lightmapScaleOffset != Vector4.zero)
+                {
+                    //1ibrium's pointed out this issue : https://docs.unity3d.com/ScriptReference/Renderer-lightmapIndex.html
+                    if(renderer.lightmapIndex < 0 || renderer.lightmapIndex == 0xFFFE) continue;
+                    info.lightmapOffsetScale = renderer.lightmapScaleOffset;
+
+                    Texture2D lightmap = LightmapSettings.lightmaps[renderer.lightmapIndex].lightmapColor;
+                    Texture2D lightmapDir = LightmapSettings.lightmaps[renderer.lightmapIndex].lightmapDir;
+                    Texture2D shadowMask = LightmapSettings.lightmaps[renderer.lightmapIndex].shadowMask;
+
+                    info.lightmapIndex = lightmaps.IndexOf(lightmap);
+                    if (info.lightmapIndex == -1)
+                    {
+                        info.lightmapIndex = lightmaps.Count;
+                        lightmaps.Add(lightmap);
+                        lightmapsDir.Add(lightmapDir);
+                        shadowMasks.Add(shadowMask);
+                    }
+
+                    rendererInfos.Add(info);
+                }
+
+            }
+        }
+
+        var lights = root.GetComponentsInChildren<Light>(true);
+
+        foreach (Light l in lights)
+        {
+            LightInfo lightInfo = new LightInfo();
+            lightInfo.light = l;
+            lightInfo.lightmapBaketype = (int)l.lightmapBakeType;
+#if UNITY_2020_1_OR_NEWER
+            lightInfo.mixedLightingMode = (int)UnityEditor.Lightmapping.lightingSettings.mixedBakeMode;            
+#elif UNITY_2018_1_OR_NEWER
+            lightInfo.mixedLightingMode = (int)UnityEditor.LightmapEditorSettings.mixedBakeMode;
+#else
+            lightInfo.mixedLightingMode = (int)l.bakingOutput.lightmapBakeType;            
+#endif
+            lightsInfo.Add(lightInfo);
+
+        }
+    }
+#endif
+
+}

Game/CourierOld/Assets/Code/LightMapping/PrefabLightmapData.cs.meta

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