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This package contains third-party software components governed by the license(s) indicated below.
- Description: .NET runtime/library for Protocol Buffers serialization by Marc Gravell.
- Upstream: GitHub repository
- License: Apache License 2.0
- License URL: Apache License 2.0
- Notes: Uses attributes such as [ProtoContract]/[ProtoMember] and runtime
ProtoBuf.Serializer.
- Description: LZMA compression/decompression implementation (encoder/decoder) used via
SevenZip.Compression.LZMA. - Upstream: 7-Zip LZMA SDK
- License: Public Domain (per 7-Zip LZMA SDK)
- Notes: Integrated sources under
Runtime/Utils/SevenZip/Compress/LZMA.
- Description: Serializable dictionary implementation enabling Unity serialization of generic dictionaries.
- Upstream: GitHub repository
- License: MIT License
- License URL: MIT License
- Notes: Adapted naming and serialization cache handling to align with Wallstop Studios Unity Helpers conventions.
- Description: Inline inspector drawer inspiration for editing object references in-place.
- Upstream: GitHub repository
- License: MIT License
- License URL: MIT License
- Notes: Portions of
WInLineEditorDrawerbuild upon concepts from the toolbox's InlineEditor drawer implementation.
The following sorting algorithm implementations in Runtime/Core/Extension/IListExtensions.cs are adapted from or inspired by third-party sources.
- Description: Hybrid sorting algorithm combining quicksort with insertion sort and heapsort fallback.
- Author: Orson Peters
- Upstream: GitHub repository
- License: zlib License
- Notes: C# adaptation retaining pattern-detection heuristics while operating on
IList<T>.
- Description: Block merge sort algorithm achieving stable O(n log n) sorting with O(1) extra space.
- Author: Mrrl (Andrey Astrelin)
- Upstream: GitHub repository
- License: MIT License
- Notes: Adaptation uses pooled buffers instead of manual block buffers while keeping stability.
- Description: In-place stable merge sort using block rearrangement.
- Author: Mike McFadden (BonzaiThePenguin)
- Upstream: GitHub repository
- License: Public Domain
- Notes: Adaptation uses a pooled full-size buffer for simplicity.
- Description: Adaptive mergesort leveraging natural runs with optimal merge scheduling.
- Authors: J. Ian Munro and Sebastian Wild
- Upstream: arXiv paper
- License: CC BY 4.0 (paper); algorithm is public domain
- Notes: Implementation detects runs and merges them with pooled buffers.
- Description: Modern high-performance sorting algorithms from the sort-research-rs project.
- Authors: Orson Peters, Lukas Bergdoll (Voultapher)
- Upstream: GitHub repository
- License: Apache License 2.0 / MIT License (dual-licensed)
- Notes: C# adaptations of Glidesort (stable galloping merges), Fluxsort (dual-pivot quicksort), and Ipnsort (introspective quicksort with median-of-medians).
- Description: In-place parallel super scalar samplesort.
- Authors: Michael Axtmann, Sascha Witt, Daniel Ferizovic, Peter Sanders
- Upstream: arXiv paper
- License: Academic paper; algorithm concepts are freely implementable
- Notes: Single-threaded C# adaptation with multiway partitioning.
The following PRNG implementations in Runtime/Core/Random/ are adapted from or inspired by third-party sources.
- Description: Permuted Congruential Generator family of PRNGs with excellent statistical properties.
- Author: Melissa O'Neill
- Upstream: PCG Random website
- Paper: PCG: A Family of Simple Fast Space-Efficient Statistically Good Algorithms for Random Number Generation
- License: Apache License 2.0
- Notes: Implementation based on the reference PCG Random.
- Description: Fast, high-quality PRNGs with small state.
- Authors: David Blackman, Sebastiano Vigna
- Upstream: xoshiro/xoroshiro website
- License: CC0 1.0 Universal (Public Domain)
- Notes: Implements xoroshiro128** and SplitMix64 variants.
- Description: Rotate-multiply PRNG family optimized for modern CPUs.
- Authors: Mark A. Overton
- Upstream: ROMU website (archived)
- License: CC0 1.0 Universal (Public Domain)
- Notes: Implements the RomuDuo variant with two 64-bit state words.
- Description: Fast PRNG based on the wyhash hash function.
- Author: Wang Yi
- Upstream: GitHub repository
- License: The Unlicense (Public Domain)
- .NET Reference: cocowalla/wyhash-dotnet (MIT License)
- Notes: Implementation references the cocowalla .NET port.
The following algorithms are by Will Stafford Parsons (wileylooper). Note: The original GitHub repositories are currently offline.
- IllusionFlow: Hybridized PCG + xorshift design.
- FlurryBurst: Six-word ARX-style generator.
- StormDrop: Large-state ARX generator inspired by SHISHUA.
- PhotonSpin: 20-word ring-buffer generator.
- BlastCircuit: Four-word ARX-style generator.
- WaveSplat: One-word chaotic generator.
- Meteor Sort: Gap-sequence-based hybrid sorting algorithm.
- Ghost Sort: Hybrid gap-based sorting algorithm.
License: These implementations are used with attribution to the original author. Please refer to the individual repositories for specific licensing terms if they become available again.
The following algorithms are based on well-known academic work and are implemented from published descriptions:
- TimSort: Hybrid stable sort by Tim Peters (Python) and OpenJDK. Python description
- SmoothSort: Heap-based adaptive sort by Edsger Dijkstra. Further analysis by Stefan Edelkamp and Armin Wegener.
- JesseSort: Dual-patience sort hybrid by Jesse Michel. GitHub
- greeNsort: Symmetric mergesort by Jens Oehlschlegel. Website
- Ska Sort: Branch-friendly dual-pivot quicksort by Malte Skarupke. Blog post
- PowerSort+: Enhanced run-priority mergesort by Sebastian Wild and Martin Nebel.
- XorShift: Classic PRNG by George Marsaglia (2003). Paper
- Linear Congruential Generator: Park-Miller variant (1988). "Random Number Generators: Good Ones Are Hard to Find" Communications of the ACM 31(10):1192-1201
- Squirrel Noise: Hash-based noise function by Squirrel Eiserloh. GDC Talk
- System.Text.Json and other .NET BCL components are used as part of the .NET runtime and are subject to their respective licenses (e.g., MIT for dotnet/runtime). No vendored sources from these components are included in this repository.
Used by: Unity-Serializable-Dictionary, Unity Editor Toolbox, Grail Sort, cocowalla/wyhash-dotnet
MIT License
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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Used by: protobuf-net, PCG Random, sort-research-rs algorithms
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Used by: pdqsort
zlib License
Copyright (c) [year] [copyright holders]
This software is provided 'as-is', without any express or implied warranty.
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Used by: Xoroshiro/Xoshiro/SplitMix64, RomuDuo
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Used by: wyhash
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📦 Unity Helpers | 📖 Documentation | 🐛 Issues | 📜 MIT License
- Inspector Button
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