mirror of https://github.com/nmlgc/ReC98.git
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
// 1-byte JIS X 0201 codepoint (ASCII, numeric, or halfwidth katakana).
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typedef uint8_t ank_t;
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// 2-byte JIS X 0208 codepoint.
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typedef uint16_t jis_t;
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// Multibyte Shift-JIS string. Use as replacement for `unsigned char` in
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// situations where the contents are assumed to be Shift-JIS.
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typedef uint8_t shiftjis_t;
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typedef int8_t sshiftjis_t; // MODDERS: Delete
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// 2-byte/fullwidth Shift-JIS codepoint.
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typedef uint16_t shiftjis_kanji_t;
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typedef int8_t sshiftjis_kanji_t; // MODDERS: Delete
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// ZUN bloat: Byte-swapped 2-byte/fullwidth Shift-JIS codepoint for bytewise
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// access.
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typedef uint16_t shiftjis_kanji_swapped_t;
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typedef int16_t sshiftjis_kanji_swapped_t; // MODDERS: Delete
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// Widths
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typedef int shiftjis_ank_amount_t;
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typedef int shiftjis_kanji_amount_t;
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typedef unsigned int ushiftjis_kanji_amount_t;
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#define kanji_swap(kanji) static_cast<shiftjis_kanji_swapped_t>( \
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(static_cast<shiftjis_kanji_t>(kanji) << 8) | \
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(static_cast<shiftjis_kanji_t>(kanji) >> 8) \
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)
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#ifdef DECOMP_HPP
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// Way too often, the games store fullwidth Shift-JIS codepoints in two
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// 8-bit variables rather than a single 16-bit one.
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typedef StupidBytewiseWrapperAround<shiftjis_kanji_t> ShiftJISKanji;
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#endif
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// Good luck deriving this from the StupidBytewiseWrapperAround template.
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template <unsigned int Length> union ShiftJISKanjiBuffer {
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shiftjis_kanji_t t[Length];
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int8_t byte[sizeof(uint16_t) * Length];
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uint8_t ubyte[sizeof(uint16_t) * Length];
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};
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inline jis_t shiftjis_to_jis(shiftjis_kanji_t shiftjis) {
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return (0x1F21 +
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(((shiftjis >> 8) - (shiftjis >> 15) < 0x9E)
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? ((((shiftjis >> 8) - (shiftjis >> 15) - 0x40) & 0x1FF))
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: ((shiftjis >> 8) - (shiftjis >> 15) + 0x62)
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) + ((shiftjis & 0x3F) << 9)
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);
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}
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