57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
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// Copyright 2020 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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namespace FileSys {
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constexpr u64 AOC_TITLE_ID_MASK = 0x7FF;
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constexpr u64 AOC_TITLE_ID_OFFSET = 0x1000;
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constexpr u64 BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;
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/**
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* Gets the base title ID from a given title ID.
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*
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* @param title_id The title ID.
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* @returns The base title ID.
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*/
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[[nodiscard]] constexpr u64 GetBaseTitleID(u64 title_id) {
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return title_id & BASE_TITLE_ID_MASK;
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}
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/**
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* Gets the base title ID with a program index offset from a given title ID.
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*
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* @param title_id The title ID.
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* @param program_index The program index.
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* @returns The base title ID with a program index offset.
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*/
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[[nodiscard]] constexpr u64 GetBaseTitleIDWithProgramIndex(u64 title_id, u64 program_index) {
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return GetBaseTitleID(title_id) + program_index;
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}
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/**
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* Gets the AOC (Add-On Content) base title ID from a given title ID.
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*
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* @param title_id The title ID.
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* @returns The AOC base title ID.
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*/
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[[nodiscard]] constexpr u64 GetAOCBaseTitleID(u64 title_id) {
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return GetBaseTitleID(title_id) + AOC_TITLE_ID_OFFSET;
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}
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/**
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* Gets the AOC (Add-On Content) ID from a given AOC title ID.
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*
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* @param aoc_title_id The AOC title ID.
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* @returns The AOC ID.
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*/
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[[nodiscard]] constexpr u64 GetAOCID(u64 aoc_title_id) {
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return aoc_title_id & AOC_TITLE_ID_MASK;
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}
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} // namespace FileSys
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