2d4cc46314
Batch #1182 by eAthena: 0 byte-identical, 1 confirmed by peer review. - fn_02412 SpriteAtlas::ClearExpired: logic confirmed by peer review Reviewed-by: ragnarok-clanker
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
#ifndef RAGNAROK_SOURCE_RENDER_TEXTURES_SPRITEATLAS_H
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#define RAGNAROK_SOURCE_RENDER_TEXTURES_SPRITEATLAS_H
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#include "Render/Textures/SpritePixels.h"
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#include <cstddef>
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#include <cstdint>
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#include <unordered_map>
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#include <vector>
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class CTexture;
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class CRenderSystemBase;
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struct SpriteAtlasPage;
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struct SpriteAtlasRecord {
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/* 0000 */ const SpriteRleImage* image;
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/* 0004 */ const std::uint32_t* palette;
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/* 0008 */ std::uint32_t lastUsed;
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/* 000C */ float u0;
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/* 0010 */ float v0;
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/* 0014 */ float u1;
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/* 0018 */ float v1;
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/* 001C */ std::uint32_t x;
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/* 0020 */ std::uint32_t y;
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/* 0024 */ SpriteAtlasPage* page;
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};
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struct SpriteAtlasPage {
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/* 0000 */ CTexture* texture;
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/* 0004 */ std::uint32_t cellWidth;
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/* 0008 */ std::uint32_t cellHeight;
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/* 000C */ std::vector<SpriteAtlasRecord> records;
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/* 0018 */ std::uint32_t lastUsed;
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};
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class SpriteAtlas {
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public:
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SpriteAtlas();
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~SpriteAtlas();
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void Initialize(CRenderSystemBase& system, unsigned spareCount);
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void Clear();
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CTexture* Find(const SpriteRleImage* image, const std::uint32_t* palette, SpriteAtlasRecord& output);
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CTexture* Insert(
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CRenderSystemBase& system, const SpriteRleImage* image, const std::uint32_t* palette, SpriteAtlasRecord& output, int serviceType, std::uint32_t reuseDelay
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);
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void ClearExpired(std::uint32_t reuseDelay);
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private:
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struct Node {
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/* 0000 */ Node* next;
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/* 0004 */ SpriteAtlasPage page;
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};
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struct Key {
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/* 0000 */ const SpriteRleImage* image;
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/* 0004 */ const std::uint32_t* palette;
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bool operator==(const Key&) const = default;
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};
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struct Hash {
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std::size_t operator()(const Key& key) const;
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};
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SpriteAtlasPage* Allocate(CRenderSystemBase& system, unsigned category, unsigned width, unsigned height);
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void ClearSpare();
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/* 0000 */ Node* m_classes[25];
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/* 0064 */ std::unordered_map<Key, SpriteAtlasRecord*, Hash> m_lookup;
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/* 0084 */ std::vector<CTexture*> m_spare;
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};
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#if defined(_WIN32) && !defined(_WIN64)
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static_assert(sizeof(SpriteAtlasRecord) == 40);
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static_assert(offsetof(SpriteAtlasRecord, palette) == 0x04);
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static_assert(offsetof(SpriteAtlasRecord, lastUsed) == 0x08);
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static_assert(offsetof(SpriteAtlasRecord, u0) == 0x0C);
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static_assert(offsetof(SpriteAtlasRecord, v0) == 0x10);
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static_assert(offsetof(SpriteAtlasRecord, u1) == 0x14);
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static_assert(offsetof(SpriteAtlasRecord, v1) == 0x18);
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static_assert(offsetof(SpriteAtlasRecord, x) == 0x1C);
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static_assert(offsetof(SpriteAtlasRecord, y) == 0x20);
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static_assert(offsetof(SpriteAtlasRecord, page) == 0x24);
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static_assert(sizeof(SpriteAtlasPage) == 28);
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static_assert(offsetof(SpriteAtlasPage, cellWidth) == 0x04);
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static_assert(offsetof(SpriteAtlasPage, cellHeight) == 0x08);
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static_assert(offsetof(SpriteAtlasPage, records) == 0x0C);
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static_assert(offsetof(SpriteAtlasPage, lastUsed) == 0x18);
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static_assert(sizeof(SpriteAtlas) == 144);
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#endif
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#endif
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