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81 lines
2.9 KiB
C++
81 lines
2.9 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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* its licensors.
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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 <GraphCanvas/Components/NodePropertyDisplay/StringDataInterface.h>
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#include "ScriptCanvasDataInterface.h"
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#include <ScriptCanvas/Bus/EditorScriptCanvasBus.h>
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namespace ScriptCanvasEditor
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{
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class ScriptCanvasCRCDataInterface
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: public ScriptCanvasDataInterface<GraphCanvas::StringDataInterface>
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{
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public:
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AZ_CLASS_ALLOCATOR(ScriptCanvasCRCDataInterface, AZ::SystemAllocator, 0);
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ScriptCanvasCRCDataInterface(const AZ::EntityId& nodeId, const ScriptCanvas::SlotId& slotId)
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: ScriptCanvasDataInterface(nodeId, slotId)
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{
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}
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~ScriptCanvasCRCDataInterface() = default;
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// StringDataInterface
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AZStd::string GetString() const override
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{
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AZStd::string retVal;
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const ScriptCanvas::Datum* object = GetSlotObject();
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if (object && object->IS_A<AZ::Crc32>())
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{
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AZ::Crc32 crcValue = (*object->GetAs<AZ::Crc32>());
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EditorGraphRequestBus::EventResult(retVal, GetScriptCanvasId(), &EditorGraphRequests::DecodeCrc, crcValue);
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if (retVal.empty() && crcValue != AZ::Crc32())
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{
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AZ_Warning("ScriptCanvas", false, "Unknown CRC value. Cannot display cached string.");
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retVal = AZStd::string::format("0x%X", static_cast<AZ::u32>(crcValue));
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}
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}
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return retVal;
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}
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void SetString(const AZStd::string& value) override
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{
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ScriptCanvas::ModifiableDatumView datumView;
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ModifySlotObject(datumView);
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if (datumView.IsValid())
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{
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AZ::Crc32 newCrc = AZ::Crc32(value.c_str());
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AZ::Crc32 oldCrc = (*datumView.GetAs<AZ::Crc32>());
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if (oldCrc != newCrc)
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{
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EditorGraphRequestBus::Event(GetScriptCanvasId(), &EditorGraphRequests::RemoveCrcCache, oldCrc);
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EditorGraphRequestBus::Event(GetScriptCanvasId(), &EditorGraphRequests::AddCrcCache, newCrc, value);
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datumView.SetAs<ScriptCanvas::Data::CRCType>(newCrc);
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PostUndoPoint();
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PropertyGridRequestBus::Broadcast(&PropertyGridRequests::RefreshPropertyGrid);
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}
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}
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}
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////
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};
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}
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