Feature/task 823 box light improvement (#85)

* Deal with the situation plural GameObjects are selected [skip ci]

* Improved menu to handle plural gameObjects.

* Updated CHANGELOG.md

Author: H3idi-X

com.unity.toonshader/CHANGELOG.md

@@ -1,7 +1,7 @@
 # Changelog
 ## [0.4.1-preview] - 2021-10-27
 ### Added
-* Something similar to exposure compensation.
+* HDRP:Something similar to exposure compensation.
 ### Fixed:
 * typo in documants.
 * missing mono behaviors in sample scenes.

com.unity.toonshader/Editor/HDRP/BoxLightAdjustmentInspector.cs

@@ -140,8 +140,8 @@ float ConvertToEV100(float val)
         static void CreateBoxLight()
         {
 
-            var go = Selection.activeGameObject;
-            var lightGo = BoxLightAdjustment.CreateBoxLight(go);
+
+            var lightGo = BoxLightAdjustment.CreateBoxLight(Selection.gameObjects);
 
         }
 

com.unity.toonshader/Runtime/HDRP/BoxLightAdjustment.cs

@@ -108,7 +108,7 @@ void Update()
 
             for (int ii = 0; ii < m_Renderers.Length; ii++)
             {
-                m_Renderers[ii].renderingLayerMask &= 0xff;
+                m_Renderers[ii].renderingLayerMask &= 0xffffff00;
                 m_Renderers[ii].renderingLayerMask |= (uint)m_targetBoxLight.lightlayersMask;
             }
             if ( /* m_targetBoxLight != null && */ m_GameObjects != null && m_GameObjects.Length > 0 && m_GameObjects[0] != null )
@@ -163,17 +163,17 @@ void UpdateObjectLightLayers()
 
         }
 
-        internal static GameObject  CreateBoxLight(GameObject go)
+        internal static GameObject  CreateBoxLight(GameObject[] gameObjects)
         {
-            if (go == null)
+            if (gameObjects == null || gameObjects[0] == null )
             {
                 Debug.LogError("Please, select a GameObject you want a Box Light to follow.");
                 return null;
             }
-            var gameObjectName = "Box Light for " + go.name;
+            var gameObjectName = "Box Light for " + gameObjects[0].name;
             GameObject lightGameObject = new GameObject(gameObjectName);
 #if UNITY_EDITOR
-            Undo.RegisterCreatedObjectUndo(lightGameObject, "Created " + go.name);
+            Undo.RegisterCreatedObjectUndo(lightGameObject, "Created Boxlight adjustment");
 #endif
             HDAdditionalLightData hdLightData = lightGameObject.AddHDLight(HDLightTypeAndShape.BoxSpot);
             // light size
@@ -210,8 +210,8 @@ internal static GameObject  CreateBoxLight(GameObject go)
             hdLightData.gameObject.transform.rotation = goRot;
 
             // must be put to gameObject model chain.
-            boxLightAdjustment.m_GameObjects = new GameObject[1];
-            boxLightAdjustment.m_GameObjects[0] = go;
+            boxLightAdjustment.m_GameObjects = gameObjects;
+
 
             return lightGameObject;
         }