forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			84 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <string>
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#include <vector>
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#include "Common/CommonTypes.h"
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#include "Common/FileUtil.h"
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#include "DiscIO/Blob.h"
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namespace DiscIO
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{
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class WbfsFileReader : public IBlobReader
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{
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public:
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	~WbfsFileReader();
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	static std::unique_ptr<WbfsFileReader> Create(const std::string& filename);
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	BlobType GetBlobType() const override { return BlobType::WBFS; }
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	// The WBFS format does not save the original file size.
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	// This function returns a constant upper bound
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	// (the size of a double-layer Wii disc).
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	u64 GetDataSize() const override;
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	u64 GetRawSize() const override { return m_size; }
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	bool Read(u64 offset, u64 nbytes, u8* out_ptr) override;
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private:
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	WbfsFileReader(const std::string& filename);
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	bool OpenFiles(const std::string& filename);
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	bool ReadHeader();
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	File::IOFile& SeekToCluster(u64 offset, u64* available);
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	bool IsGood() {return m_good;}
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	struct file_entry
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	{
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		File::IOFile file;
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		u64 base_address;
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		u64 size;
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	};
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	std::vector<std::unique_ptr<file_entry>> m_files;
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	u32 m_total_files;
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	u64 m_size;
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	u64 m_hd_sector_size;
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	u64 m_wbfs_sector_size;
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	u64 m_wbfs_sector_count;
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	u64 m_disc_info_size;
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#pragma pack(1)
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	struct WbfsHeader
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	{
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		char magic[4];
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		u32 hd_sector_count;
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		u8 hd_sector_shift;
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		u8 wbfs_sector_shift;
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		u8 padding[2];
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		u8 disc_table[500];
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	} m_header;
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#pragma pack()
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	std::vector<u16> m_wlba_table;
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	u64 m_blocks_per_disc;
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	bool m_good;
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};
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bool IsWbfsBlob(const std::string& filename);
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}  // namespace
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