107 lines
3.1 KiB
C++
107 lines
3.1 KiB
C++
// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Content/Assets/Texture.h"
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#include "Engine/Content/AssetReference.h"
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#include "Engine/Renderer/Lightmaps.h"
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class SceneLightmapsData;
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/// <summary>
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/// Shadows Of Mordor static light map
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/// </summary>
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class Lightmap
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{
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private:
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SceneLightmapsData* _manager;
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int32 _index;
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#if USE_EDITOR
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int32 _size;
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#endif
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AssetReference<Texture> _textures[3];
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public:
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/// <summary>
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/// Initializes a new instance of the <see cref="Lightmap"/> class.
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/// </summary>
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/// <param name="manager">The manager.</param>
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/// <param name="index">The index.</param>
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/// <param name="info">The information.</param>
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Lightmap(SceneLightmapsData* manager, int32 index, const SavedLightmapInfo& info);
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public:
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/// <summary>
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/// Gets attached texture objects
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/// </summary>
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/// <param name="lightmap0">Lightmap 0 texture</param>
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/// <param name="lightmap1">Lightmap 1 texture</param>
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/// <param name="lightmap2">Lightmap 2 texture</param>
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void GetTextures(GPUTexture** lightmap0, GPUTexture** lightmap1, GPUTexture** lightmap2) const
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{
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*lightmap0 = _textures[0] ? _textures[0]->GetTexture() : nullptr;
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*lightmap1 = _textures[1] ? _textures[1]->GetTexture() : nullptr;
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*lightmap2 = _textures[2] ? _textures[2]->GetTexture() : nullptr;
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}
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/// <summary>
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/// Gets attached texture objects
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/// </summary>
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/// <param name="lightmaps">Lightmaps textures array</param>
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void GetTextures(GPUTexture* lightmaps[]) const
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{
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lightmaps[0] = _textures[0] ? _textures[0]->GetTexture() : nullptr;
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lightmaps[1] = _textures[1] ? _textures[1]->GetTexture() : nullptr;
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lightmaps[2] = _textures[2] ? _textures[2]->GetTexture() : nullptr;
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}
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/// <summary>
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/// Gets attached texture objects
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/// </summary>
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/// <param name="lightmaps">Lightmaps textures array</param>
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void GetTextures(Texture* lightmaps[]) const
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{
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lightmaps[0] = _textures[0].Get();
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lightmaps[1] = _textures[1].Get();
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lightmaps[2] = _textures[2].Get();
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}
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/// <summary>
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/// Gets lightmap info
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/// </summary>
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/// <param name="info">Lightmap info</param>
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void GetInfo(SavedLightmapInfo& info) const
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{
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info.Lightmap0 = _textures[0].GetID();
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info.Lightmap1 = _textures[1].GetID();
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info.Lightmap2 = _textures[2].GetID();
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}
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/// <summary>
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/// Update texture (change it to another asset)
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/// </summary>
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/// <param name="texture">New lightmap texture asset</param>
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/// <param name="index">Texture index</param>
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void UpdateTexture(Texture* texture, int32 index);
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/// <summary>
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/// Ensure that all textures have that size, if not resizing is performed
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/// </summary>
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/// <param name="size">Target size per texture</param>
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void EnsureSize(int32 size);
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/// <summary>
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/// Determines whether this lightmap is ready (textures can be used by the renderer).
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/// </summary>
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bool IsReady() const;
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private:
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#if USE_EDITOR
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bool OnInitLightmap(class TextureData& image);
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#endif
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};
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