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o3de/Gems/TextureAtlas/Code/Include/TextureAtlas/TextureAtlasBus.h

56 lines
2.1 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project. For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/EBus/EBus.h>
#include <AzCore/Serialization/Utils.h>
#include <AzCore/RTTI/TypeInfo.h>
#include <AzFramework/Asset/SimpleAsset.h>
#include "TextureAtlas/TextureAtlas.h"
namespace TextureAtlasNamespace
{
using AtlasCoordinateSets = AZStd::vector<AZStd::pair<AZStd::string, AtlasCoordinates>>;
class TextureAtlasRequests : public AZ::EBusTraits
{
public:
//////////////////////////////////////////////////////////////////////////
// EBusTraits overrides
static const AZ::EBusHandlerPolicy HandlerPolicy = AZ::EBusHandlerPolicy::Single;
static const AZ::EBusAddressPolicy AddressPolicy = AZ::EBusAddressPolicy::Single;
//////////////////////////////////////////////////////////////////////////
// Put your public methods here
//! Saves a texture atlas to file
virtual void SaveAtlasToFile(const AZStd::string& outputPath,
AtlasCoordinateSets& handles, int width, int height) = 0;
//! Tells the TextureAtlas system to load an Atlas and return a pointer for the atlas
virtual TextureAtlas* LoadAtlas(const AZStd::string& filePath) = 0;
//! Tells the TextureAtlas system to unload an Atlas
virtual void UnloadAtlas(TextureAtlas* atlas) = 0;
//! Returns a pointer to the first Atlas that contains the image, or nullptr if no atlas contains it.
//! Does not add a reference, use the notification bus to know when to unload
virtual TextureAtlas* FindAtlasContainingImage(const AZStd::string& filePath) = 0;
};
using TextureAtlasRequestBus = AZ::EBus<TextureAtlasRequests>;
class TextureAtlasAsset
{
public:
AZ_TYPE_INFO(TextureAtlasAsset, "{BFC6C91F-66CE-4D78-B68A-7F697C9EA2E8}")
static const char* GetFileFilter() { return "*.texatlas"; }
};
} // namespace TextureAtlasNamespace