From 6e64177c7aeb8441966829c4f91641456db71cc2 Mon Sep 17 00:00:00 2001
From: Dereck Bridie <dbridie@google.com>
Date: Wed, 16 Apr 2025 16:08:58 +0200
Subject: [PATCH 1/2] Port environment snippets from DAC

---
 .../com/example/xr/scenecore/Environments.kt  | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 xr/src/main/java/com/example/xr/scenecore/Environments.kt

diff --git a/xr/src/main/java/com/example/xr/scenecore/Environments.kt b/xr/src/main/java/com/example/xr/scenecore/Environments.kt
new file mode 100644
index 00000000..eac080db
--- /dev/null
+++ b/xr/src/main/java/com/example/xr/scenecore/Environments.kt
@@ -0,0 +1,62 @@
+package com.example.xr.scenecore
+
+import androidx.xr.scenecore.ExrImage
+import androidx.xr.scenecore.GltfModel
+import androidx.xr.scenecore.Session
+import androidx.xr.scenecore.SpatialEnvironment
+import kotlinx.coroutines.guava.await
+
+private class Environments(val session: Session) {
+    suspend fun loadEnvironmentGeometry() {
+        // [START androidxr_scenecore_environment_loadEnvironmentGeometry]
+        val environmentGeometryFuture = GltfModel.create(session, "DayGeometry.glb")
+        val environmentGeometry = environmentGeometryFuture.await()
+        // [END androidxr_scenecore_environment_loadEnvironmentGeometry]
+    }
+
+    fun loadEnvironmentSkybox() {
+        // [START androidxr_scenecore_environment_loadEnvironmentSkybox]
+        val skybox = ExrImage.create(session, "BlueSkybox.exr")
+        // [END androidxr_scenecore_environment_loadEnvironmentSkybox]
+    }
+
+    fun setEnvironmentPreference(environmentGeometry: GltfModel, skybox: ExrImage) {
+        // [START androidxr_scenecore_environment_setEnvironmentPreference]
+        val spatialEnvironmentPreference =
+            SpatialEnvironment.SpatialEnvironmentPreference(skybox, environmentGeometry)
+        val preferenceResult =
+            session.spatialEnvironment.setSpatialEnvironmentPreference(spatialEnvironmentPreference)
+        if (preferenceResult == SpatialEnvironment.SetSpatialEnvironmentPreferenceChangeApplied()) {
+            // The environment was successfully updated and is now visible, and any listeners
+            // specified using addOnSpatialEnvironmentChangedListener will be notified.
+        } else if (preferenceResult == SpatialEnvironment.SetSpatialEnvironmentPreferenceChangePending()) {
+            // The environment is in the process of being updated. Once visible, any listeners
+            // specified using addOnSpatialEnvironmentChangedListener will be notified.
+        }
+        // [END androidxr_scenecore_environment_setEnvironmentPreference]
+    }
+
+    fun setPassthroughOpacityPreference() {
+        // [START androidxr_scenecore_environment_setPassthroughOpacityPreference]
+        val preferenceResult = session.spatialEnvironment.setPassthroughOpacityPreference(1.0f)
+        if (preferenceResult == SpatialEnvironment.SetPassthroughOpacityPreferenceChangeApplied()) {
+            // The passthrough opacity request succeeded and should be visible now, and any listeners
+            // specified using addOnPassthroughOpacityChangedListener will be notified
+        } else if (preferenceResult == SpatialEnvironment.SetPassthroughOpacityPreferenceChangePending()) {
+            // The passthrough opacity preference was successfully set, but not
+            // immediately visible. The passthrough opacity change will be applied
+            // when the activity has the
+            // SpatialCapabilities.SPATIAL_CAPABILITY_PASSTHROUGH_CONTROL capability.
+            // Then, any listeners specified using addOnPassthroughOpacityChangedListener
+            // will be notified
+        }
+        // [END androidxr_scenecore_environment_setPassthroughOpacityPreference]
+    }
+
+    fun getCurrentPassthroughOpacity() {
+        // [START androidxr_scenecore_environment_getCurrentPassthroughOpacity]
+        val currentPassthroughOpacity = session.spatialEnvironment.getCurrentPassthroughOpacity()
+        // [END androidxr_scenecore_environment_getCurrentPassthroughOpacity]
+    }
+}
+

From 0295b87c2ea1442ea5f7be79628311bd0cf8396d Mon Sep 17 00:00:00 2001
From: devbridie <442644+devbridie@users.noreply.github.com>
Date: Wed, 16 Apr 2025 14:12:48 +0000
Subject: [PATCH 2/2] Apply Spotless

---
 .../com/example/xr/scenecore/Environments.kt    | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/xr/src/main/java/com/example/xr/scenecore/Environments.kt b/xr/src/main/java/com/example/xr/scenecore/Environments.kt
index eac080db..a366f9d1 100644
--- a/xr/src/main/java/com/example/xr/scenecore/Environments.kt
+++ b/xr/src/main/java/com/example/xr/scenecore/Environments.kt
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2025 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package com.example.xr.scenecore
 
 import androidx.xr.scenecore.ExrImage
@@ -59,4 +75,3 @@ private class Environments(val session: Session) {
         // [END androidxr_scenecore_environment_getCurrentPassthroughOpacity]
     }
 }
-