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Implement HashMap and other new types
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,55 @@ | ||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
|
|
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| namespace libMBIN.NMS { | ||
|
|
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| [NMS(Size = 0x30)] | ||
| public class HashMap<T> : NMSTemplate | ||
| [NMS(Size = 0x30, Alignment = 0x8)] | ||
| public class HashMap<T> : NMSTemplate, IEnumerable<T>, IHashMap | ||
| { | ||
| /* 0x00 */ public ulong Offset; | ||
| /* 0x08 */ public uint Count; | ||
| /* 0x0C */ public uint EndPaddingLShift; // This is the size of the end padding blob. Ie. size = 8 << EndPaddingLShift | ||
| // To write this value. We calculate the smallest `n` such that (8 << n) > 8 * Count | ||
| public List<T> Elements; // The actual elements of the HashMap. | ||
| /* 0x00 */ private ulong Offset; | ||
| /* 0x08 */ public uint Count { | ||
| get { | ||
| return (uint)Elements.Count; | ||
| } | ||
| } | ||
|
|
||
| /* 0x0C */ public int EndPaddingLShift { | ||
| get { | ||
| int shifts = 62; | ||
| while ((shifts > 0) && (1 << (64 - shifts)) * 0.8 < Count) shifts -= 1; | ||
| return 64 - shifts; | ||
| } | ||
| } | ||
|
|
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| // It looks like there are then 4 uint64's which correspond to something... They seem to be empty in the mbins though. | ||
| [NMS(Size = 0x20)] | ||
| /* 0x10 */ public byte[] EndPadding; | ||
| /* 0x10 */ private byte[] EndPadding; | ||
|
|
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| public object GetElements() { | ||
| return Elements; | ||
| } | ||
|
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| // IMPORTANT: If any further constructors are added with one argument, some code in NMSTemplate will break! | ||
| // See DeserializeEXml method. | ||
| public HashMap() { | ||
| Elements = new List<T>(); | ||
| } | ||
|
|
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| public HashMap(List<T> lst) { | ||
| Elements = lst; | ||
| } | ||
|
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| public IEnumerator<T> GetEnumerator() { | ||
| return Elements.GetEnumerator(); | ||
| } | ||
|
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| IEnumerator IEnumerable.GetEnumerator() { | ||
| return this.GetEnumerator(); | ||
| } | ||
|
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| public static implicit operator HashMap<T>(List<T> lst) => new HashMap<T>(lst); | ||
| public static implicit operator List<T>(HashMap<T> hm) => hm.Elements; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,12 +1,50 @@ | ||
| namespace libMBIN.NMS { | ||
|
|
||
| [NMS(Size = 0x18)] | ||
| public class HashedString : NMSTemplate | ||
| public class HashedString : NMSTemplate, INMSVariableLengthString | ||
| { | ||
| public ulong Offset; | ||
| public uint Length; | ||
| public uint Padding0xC; | ||
| public uint Hash; | ||
| public uint Padding0x14; | ||
| public string Value; | ||
| private ulong Offset; | ||
| private uint Length; | ||
| private uint Padding0xC = 0xAAAAAA01; | ||
| private uint Padding0x14 = 0xAAAAAAAA; | ||
| public string String { | ||
| get => StringValue(); | ||
| set => Value = value; | ||
| } | ||
|
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| public string StringValue() | ||
| { | ||
| return Value; | ||
| } | ||
| /// <summary> | ||
| /// Jenkins Hashing function: | ||
| /// https://en.wikipedia.org/wiki/Jenkins_hash_function | ||
| /// </summary> | ||
| /// <returns></returns> | ||
| public uint Hash() | ||
| { | ||
| uint hash = 0; | ||
| if( Value != null ) { | ||
| foreach( char c in Value ) { | ||
| hash += char.ToUpper(c); | ||
| hash += hash << 10; | ||
| hash ^= hash >> 6; | ||
| } | ||
| hash += hash << 3; | ||
| hash ^= hash >> 11; | ||
| hash += hash << 15; | ||
| } | ||
| return hash; | ||
| } | ||
|
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| public HashedString(string str) { | ||
| Value = str; | ||
| } | ||
|
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| public HashedString() { } | ||
|
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| public static implicit operator HashedString ( string str ) => new HashedString { Value = str }; | ||
| public static implicit operator string ( HashedString str ) => str.Value; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| namespace libMBIN.NMS | ||
| { | ||
| public interface IHashMap { | ||
| object GetElements(); | ||
|
|
||
| uint Count { get; } | ||
| int EndPaddingLShift { get; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| using libMBIN.NMS.Toolkit; | ||
| using libMBIN.NMS.GameComponents; | ||
|
|
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| namespace libMBIN.NMS | ||
| { | ||
| public interface INMSVariableLengthString: INMSString | ||
| { | ||
| string StringValue(); | ||
| string String { get; set; } | ||
| } | ||
| } |
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