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FlaxEngine/Source/Engine/Content/Assets/ModelBase.h

69 lines
2.1 KiB
C++

// Copyright (c) 2012-2021 Wojciech Figat. All rights reserved.
#pragma once
#include "../BinaryAsset.h"
#include "Engine/Core/Collections/Array.h"
#include "Engine/Graphics/Models/MaterialSlot.h"
#include "Engine/Streaming/StreamableResource.h"
class MeshBase;
/// <summary>
/// Base class for asset types that can contain a model resource.
/// </summary>
API_CLASS(Abstract, NoSpawn) class FLAXENGINE_API ModelBase : public BinaryAsset, public StreamableResource
{
DECLARE_ASSET_HEADER(ModelBase);
protected:
explicit ModelBase(const SpawnParams& params, const AssetInfo* info, StreamingGroup* group)
: BinaryAsset(params, info)
, StreamableResource(group)
{
}
public:
/// <summary>
/// The minimum screen size to draw this model (the bottom limit). Used to cull small models. Set to 0 to disable this feature.
/// </summary>
API_FIELD() float MinScreenSize = 0.0f;
/// <summary>
/// The list of material slots.
/// </summary>
API_FIELD(ReadOnly) Array<MaterialSlot> MaterialSlots;
/// <summary>
/// Gets the amount of the material slots used by this model asset.
/// </summary>
API_PROPERTY() int32 GetMaterialSlotsCount() const
{
return MaterialSlots.Count();
}
/// <summary>
/// Resizes the material slots collection. Updates meshes that were using removed slots.
/// </summary>
API_FUNCTION() virtual void SetupMaterialSlots(int32 slotsCount);
/// <summary>
/// Gets the material slot by the name.
/// </summary>
/// <param name="name">The slot name.</param>
/// <returns>The material slot with the given name or null if cannot find it (asset may be not loaded yet).</returns>
API_FUNCTION() MaterialSlot* GetSlot(const StringView& name);
/// <summary>
/// Gets amount of the level of details in the model.
/// </summary>
/// <returns>Amount of the level of details in the model.</returns>
virtual int32 GetLODsCount() const = 0;
/// <summary>
/// Gets the meshes for a particular LOD index.
/// </summary>
virtual void GetMeshes(Array<MeshBase*>& meshes, int32 lodIndex = 0) = 0;
};