diff options
Diffstat (limited to 'src/main/kotlin/io/dico/parcels2/util/Vec3i.kt')
| -rw-r--r-- | src/main/kotlin/io/dico/parcels2/util/Vec3i.kt | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/src/main/kotlin/io/dico/parcels2/util/Vec3i.kt b/src/main/kotlin/io/dico/parcels2/util/Vec3i.kt index a4655d0..6db98af 100644 --- a/src/main/kotlin/io/dico/parcels2/util/Vec3i.kt +++ b/src/main/kotlin/io/dico/parcels2/util/Vec3i.kt @@ -16,4 +16,37 @@ data class Vec3i( } @Suppress("NOTHING_TO_INLINE") -inline operator fun World.get(vec: Vec3i): Block = getBlockAt(vec.x, vec.y, vec.z)
\ No newline at end of file +inline operator fun World.get(vec: Vec3i): Block = getBlockAt(vec.x, vec.y, vec.z) + +/* +private /*inline */class IVec3i(private val data: Long) { + + private companion object { + const val mask = 0x001F_FFFF + const val max: Int = 0x000F_FFFF // +1048575 + const val min: Int = -max - 1 // -1048575 // 0xFFF0_0000 + + @Suppress("NOTHING_TO_INLINE") + inline fun Int.compressIntoLong(offset: Int): Long { + if (this !in min..max) throw IllegalArgumentException() + return and(mask).toLong().shl(offset) + } + + @Suppress("NOTHING_TO_INLINE") + inline fun Long.extractInt(offset: Int): Int { + val result = ushr(offset).toInt().and(mask) + return if (result > max) result or mask.inv() else result + } + } + + constructor(x: Int, y: Int, z: Int) : this( + x.compressIntoLong(42) + or y.compressIntoLong(21) + or z.compressIntoLong(0)) + + val x: Int get() = data.extractInt(42) + val y: Int get() = data.extractInt(21) + val z: Int get() = data.extractInt(0) + +} +*/ |