# buffer（ロブロックス ライブラリ）

> A library of buffer functions.

- URL：https://roblox.minecraft-okinawa.com/reference/libraries/buffer/
- 公式：https://create.roblox.com/docs/reference/engine/libraries/buffer

## 関数

- `buffer.create(size: number): buffer`：Creates a buffer.
- `buffer.fromstring(str: string): buffer`：Creates a buffer from a string.
- `buffer.tostring(b: buffer): string`：Converts a buffer to a string.
- `buffer.len(b: buffer): number`：Returns the size of the buffer in bytes.
- `buffer.readbits(b: buffer, bitOffset: number, bitCount: number): number`：Reads a range of bits into an unsigned integer from the buffer based on a specific bitCount integer from 0 to 32, inclusive.
- `buffer.readi8(b: buffer, offset: number): number`：Reads an 8-bit signed integer from the buffer.
- `buffer.readu8(b: buffer, offset: number): number`：Reads an 8-bit unsigned integer from the buffer.
- `buffer.readi16(b: buffer, offset: number): number`：Reads a 16-bit signed integer from the buffer.
- `buffer.readu16(b: buffer, offset: number): number`：Reads a 16-bit unsigned integer from the buffer.
- `buffer.readi32(b: buffer, offset: number): number`：Reads a 32-bit signed integer from the buffer.
- `buffer.readu32(b: buffer, offset: number): number`：Reads a 32-bit unsigned integer from the buffer.
- `buffer.readf32(b: buffer, offset: number): number`：Reads a 32-bit floating-point value from the buffer.
- `buffer.readvectorf32x2(b: buffer, offset: number): vector`：Reads two 32-bit floating-point values from the buffer into a vector.
- `buffer.readvectorf32x3(b: buffer, offset: number): vector`：Reads three 32-bit floating-point values from the buffer into a vector.
- `buffer.readf64(b: buffer, offset: number): number`：Reads a 64-bit floating-point value from the buffer.
- `buffer.writebits(b: buffer, bitOffset: number, bitCount: number, value: number): ()`：Writes data to the buffer based on a specific bitCount integer from 0 to 32, inclusive.
- `buffer.writei8(b: buffer, offset: number, value: number): ()`：Writes an 8-bit signed integer to the buffer.
- `buffer.writeu8(b: buffer, offset: number, value: number): ()`：Writes an 8-bit unsigned integer to the buffer.
- `buffer.writei16(b: buffer, offset: number, value: number): ()`：Writes a 16-bit signed integer to the buffer.
- `buffer.writeu16(b: buffer, offset: number, value: number): ()`：Writes a 16-bit unsigned integer to the buffer.
- `buffer.writei32(b: buffer, offset: number, value: number): ()`：Writes a 32-bit signed integer to the buffer.
- `buffer.writeu32(b: buffer, offset: number, value: number): ()`：Writes a 32-bit unsigned integer to the buffer.
- `buffer.writef32(b: buffer, offset: number, value: number): ()`：Writes a 32-bit floating-point value to the buffer.
- `buffer.writevectorf32x2(b: buffer, offset: number, value: vector): ()`：Writes two vector components as 32-bit floating-point values to the buffer.
- `buffer.writevectorf32x3(b: buffer, offset: number, value: vector): ()`：Writes three vector components as 32-bit floating-point values to the buffer.
- `buffer.writef64(b: buffer, offset: number, value: number): ()`：Writes a 64-bit floating-point value to the buffer.
- `buffer.readstring(b: buffer, offset: number, count: number): string`：Reads a string from the buffer.
- `buffer.writestring(b: buffer, offset: number, value: string, count: number?): ()`：Writes a string to the buffer.
- `buffer.copy(target: buffer, targetOffset: number, source: buffer, sourceOffset: number?, count: number?): ()`：Copies bytes between buffers.
- `buffer.fill(b: buffer, offset: number, value: number, count: number?): ()`：Sets a region of the buffer memory to some 8-bit unsigned integer value.

英語の説明とメンバー一覧：Roblox Creator Documentation（CC BY 4.0）。日本語の解説はこのサイト独自のものです。

執筆：鈴木孝昌（現役プロジェクトマネージャー／プログラミング講師）／運営：沖縄マイクラ部 プログラミングスクール「クロスウェーブ」（https://minecraft-okinawa.com/）