mirror of
https://github.com/curioustorvald/Terrarum.git
synced 2026-06-12 19:44:05 +09:00
77 lines
3.0 KiB
Kotlin
77 lines
3.0 KiB
Kotlin
package net.torvald.terrarum.serialise
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fun Int.toLittle() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte()
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)
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/** Converts int as 2-byte array, discarding the sign.*/
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fun Int.toULittleShort() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte()
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)
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/** Converts int as 2-byte array, preserving the sign. In other words, it converts int to short. */
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fun Int.toLittleShort() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.shr(8).and(0xFF).toByte()
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)
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fun Long.toLittle() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte(),
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this.ushr(32).and(0xFF).toByte(),
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this.ushr(40).and(0xFF).toByte(),
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this.ushr(48).and(0xFF).toByte(),
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this.ushr(56).and(0xFF).toByte()
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)
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/** Converts long as 6-byte array, discarding the sign. */
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fun Long.toULittle48() = byteArrayOf(
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this.and(0xFF).toByte(),
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this.ushr(8).and(0xFF).toByte(),
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this.ushr(16).and(0xFF).toByte(),
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this.ushr(24).and(0xFF).toByte(),
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this.ushr(32).and(0xFF).toByte(),
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this.ushr(40).and(0xFF).toByte()
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)
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fun Double.toLittle() = java.lang.Double.doubleToRawLongBits(this).toLittle()
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fun Boolean.toLittle() = byteArrayOf(if (this) 0xFF.toByte() else 0.toByte())
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fun ByteArray.toLittleInt() =
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if (this.size != 4) throw Error("Array not in size of 4")
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else this[0].toUint() or
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this[1].toUint().shl(8) or
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this[2].toUint().shl(16) or
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this[3].toUint().shl(24)
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fun ByteArray.toULittleShort() =
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if (this.size != 4) throw Error("Array not in size of 2")
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else this[0].toUint() or
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this[1].toUint().shl(8)
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fun ByteArray.toLittleShort() =
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if (this.size != 4) throw Error("Array not in size of 2")
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else this[0].toUint() or
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this[1].toInt().shl(8)
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fun ByteArray.toLittleLong() =
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if (this.size != 8) throw Error("Array not in size of 8")
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else this[0].toUlong() or
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this[1].toUlong().shl(8) or
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this[2].toUlong().shl(16) or
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this[3].toUlong().shl(24) or
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this[4].toUlong().shl(32) or
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this[5].toUlong().shl(40) or
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this[6].toUlong().shl(48) or
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this[7].toUlong().shl(56)
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fun ByteArray.toLittleInt48() =
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if (this.size != 6) throw Error("Array not in size of 6")
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else this[0].toUlong() or
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this[1].toUlong().shl(8) or
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this[2].toUlong().shl(16) or
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this[3].toUlong().shl(24) or
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this[4].toUlong().shl(32) or
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this[5].toUlong().shl(40)
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fun ByteArray.toLittleFloat() = java.lang.Float.intBitsToFloat(this.toLittleInt())
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fun Byte.toUlong() = java.lang.Byte.toUnsignedLong(this)
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fun Byte.toUint() = java.lang.Byte.toUnsignedInt(this)
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