alexpete
60 lines
2.7 KiB
C++
60 lines
2.7 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates, or
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* a third party where indicated.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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#pragma once
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#include "Material.h"
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#include <AzCore/EBus/EBus.h>
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namespace Physics
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{
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/// Listens to requests for physics materials.
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class PhysicsMaterialRequests
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: public AZ::EBusTraits
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{
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public:
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single; // Implemented by sole owner of materials, e.g. class MaterialManager in PhysX gem.
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/// Get default material
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virtual AZStd::shared_ptr<Physics::Material> GetGenericDefaultMaterial() = 0;
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/// Returns weak pointers to physics materials.
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/// Connect to PhysicsMaterialNotifications::MaterialsReleased to be informed when material pointers are deleted by owner.
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virtual void GetMaterials(const MaterialSelection& materialSelection
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, AZStd::vector<AZStd::weak_ptr<Physics::Material>>& outMaterials) = 0;
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/// Returns a weak pointer to physics material with the given name.
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virtual AZStd::weak_ptr<Physics::Material> GetMaterialByName(const AZStd::string& name) = 0;
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/// Returns index of the first selected material in MaterialSelection's material library.
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/// A MaterialSelection can contain multiple material selections.
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/// Returned index is 0-based where 0 is the Default material, and materials from the material library are 1 and onwards.
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virtual AZ::u32 GetFirstSelectedMaterialIndex(const MaterialSelection& materialSelection) = 0;
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};
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using PhysicsMaterialRequestBus = AZ::EBus<PhysicsMaterialRequests>;
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/// Dispatches changes in physics materials to others.
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class PhysicsMaterialNotifications
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: public AZ::EBusTraits
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{
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public:
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static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
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static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::ById; // SystemComponent of multiple gems may listen to changes in materials.
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typedef AZ::Uuid BusIdType;
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/// Notifies that material pointers have been deleted by owner.
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virtual void MaterialsReleased() = 0;
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};
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using PhysicsMaterialNotificationsBus = AZ::EBus<PhysicsMaterialNotifications>;
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}
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