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Gems/SurfaceData/Code/Include/SurfaceData/SurfaceDataProviderRequestBus.h

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+/*
+* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+* its licensors.
+*
+* For complete copyright and license terms please see the LICENSE at the root of this
+* distribution (the "License"). All use of this software is governed by the License,
+* or, if provided, by the license below or the license accompanying this file. Do not
+* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* 
+*/
+
+#pragma once
+
+#include <AzCore/EBus/EBus.h>
+#include <SurfaceData/SurfaceDataTypes.h>
+
+namespace SurfaceData
+{
+    /**
+    * the EBus is used to request information about a surface
+    */
+    class SurfaceDataProviderRequests
+        : public AZ::EBusTraits
+    {
+    public:
+        ////////////////////////////////////////////////////////////////////////
+        // EBusTraits
+        static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
+        static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById;
+        typedef AZ::u32 BusIdType;
+        ////////////////////////////////////////////////////////////////////////
+
+        //! allows multiple threads to call
+        using MutexType = AZStd::recursive_mutex;
+
+        virtual void GetSurfacePoints(const AZ::Vector3& inPosition, SurfacePointList& surfacePointList) const = 0;
+    };
+
+    typedef AZ::EBus<SurfaceDataProviderRequests> SurfaceDataProviderRequestBus;
+}