Initial Commit

Assets/Oculus/Interaction/Runtime/Scripts/Input/Axis1DPrioritySelector.cs

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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * 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.
+ */
+
+using Oculus.Interaction.Input;
+using System;
+using UnityEngine;
+
+namespace Oculus.Interaction
+{
+    /// <summary>
+    /// An Axis1D that switches between two Axis1D based on an ActiveState
+    /// </summary>
+    public class Axis1DPrioritySelector : MonoBehaviour, IAxis1D
+    {
+        [Serializable]
+        public class AxisData
+        {
+            [SerializeField, Interface(typeof(IActiveState))]
+            private UnityEngine.Object _activeState;
+            public IActiveState ActiveState;
+
+            [SerializeField, Interface(typeof(IAxis1D))]
+            private UnityEngine.Object _axis;
+            public IAxis1D Axis;
+
+            public void Initialize()
+            {
+                ActiveState = _activeState as IActiveState;
+                Axis = _axis as IAxis1D;
+            }
+
+            public void Validate (Component context)
+            {
+                context.AssertField(ActiveState, nameof(ActiveState));
+                context.AssertField(Axis, nameof(Axis));
+            }
+        }
+
+        [SerializeField] private AxisData[] _axisData;
+
+        [SerializeField, Interface(typeof(IAxis1D))]
+        private UnityEngine.Object _fallbackIfNoMatchAxis;
+        private IAxis1D FallbackIfNoMatchAxis;
+
+        private AxisData ActiveAxis;
+
+        protected IAxis1D Current => GetActiveAxis();
+
+        protected virtual void Awake()
+        {
+            foreach (var axisDatum in _axisData)
+            {
+                axisDatum.Initialize();
+            }
+
+            FallbackIfNoMatchAxis = _fallbackIfNoMatchAxis as IAxis1D;
+        }
+
+        protected virtual void Start()
+        {
+            foreach (var axisDatum in _axisData)
+            {
+                axisDatum.Validate(this);
+            }
+
+            this.AssertField(FallbackIfNoMatchAxis, nameof(FallbackIfNoMatchAxis));
+        }
+
+        public float Value()
+        {
+            return Current.Value();
+        }
+
+        private IAxis1D GetActiveAxis()
+        {
+            if ((ActiveAxis != null) && ActiveAxis.ActiveState.Active)
+            {
+                return ActiveAxis.Axis;
+            }
+
+            foreach (var axisDatum in _axisData)
+            {
+                if (axisDatum.ActiveState.Active)
+                {
+                    ActiveAxis = axisDatum;
+                    return ActiveAxis.Axis;
+                }
+            }
+
+            return FallbackIfNoMatchAxis;
+        }
+
+        #region Inject
+
+        public void InjectAll(AxisData[] axisData, IAxis1D fallbackIfNoMatchAxis)
+        {
+            _axisData = axisData;
+            foreach (var axisDatum in axisData)
+            {
+                axisDatum.Validate(this);
+            }
+
+            FallbackIfNoMatchAxis = fallbackIfNoMatchAxis;
+            _fallbackIfNoMatchAxis = fallbackIfNoMatchAxis as UnityEngine.Object;
+        }
+
+        #endregion
+    }
+}