<#/*THIS IS A T4 FILE - see t4_text_templating.md for what it is and how to run codegen*/#>
<#@ template debug="True" #>
<#@ output extension=".gen.cs" encoding="utf-8" #>
<#@ assembly name="System.Core" #>
<#@ import namespace="System.Globalization" #>
<#@ import namespace="System.Security.Cryptography" #>
//------------------------------------------------------------------------------
//
// This code was generated by a tool.
//
// TextTransform Samples/Packages/com.unity.collections/Unity.Collections/FixedList.tt
//
// Changes to this file may cause incorrect behavior and will be lost if
// the code is regenerated.
//
//------------------------------------------------------------------------------
using System.Collections.Generic;
using System.Collections;
using System.Diagnostics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System;
using Unity.Collections.LowLevel.Unsafe;
using Unity.Mathematics;
using UnityEngine.Internal;
using UnityEngine;
using Unity.Properties;
namespace Unity.Collections
{
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(FixedBytes32Align8) })]
[Serializable]
internal struct FixedList
: INativeList
where T : unmanaged
where U : unmanaged
{
[SerializeField] internal U data;
internal ushort length
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
unsafe
{
fixed(void* ptr = &data)
return *((ushort*)ptr);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
unsafe
{
fixed (void* ptr = &data)
*((ushort*)ptr) = value;
}
}
}
internal readonly unsafe byte* buffer
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
unsafe
{
fixed (void* ptr = &data)
return ((byte*)ptr) + UnsafeUtility.SizeOf();
}
}
}
///
/// The current number of items in this list.
///
/// The current number of items in this list.
[CreateProperty]
public int Length
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get => length;
set
{
FixedList.CheckResize(value);
length = (ushort)value;
}
}
///
/// A property in order to display items in the Entity Inspector.
///
[CreateProperty] IEnumerable Elements => this.ToArray();
///
/// Whether the list is empty.
///
/// True if this string has no characters or if the container has not been constructed.
public readonly bool IsEmpty
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => Length == 0;
}
internal readonly int LengthInBytes => Length * UnsafeUtility.SizeOf();
internal readonly unsafe byte* Buffer
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
return buffer + FixedList.PaddingBytes();
}
}
///
/// The number of elements that can fit in this list.
///
/// The number of elements that can fit in this list.
/// The capacity of a FixedList cannot be changed. The setter is included only for conformity with .
/// Thrown if the new value does not match the current capacity.
public int Capacity
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
return FixedList.Capacity();
}
set
{
CollectionHelper.CheckCapacityInRange(value, Length);
}
}
///
/// The element at a given index.
///
/// An index.
/// The value to store at the index.
/// Thrown if the index is out of bounds.
public T this[int index]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
return UnsafeUtility.ReadArrayElement(Buffer, CollectionHelper.AssumePositive(index));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
UnsafeUtility.WriteArrayElement(Buffer, CollectionHelper.AssumePositive(index), value);
}
}
}
///
/// Returns the element at a given index.
///
/// An index.
/// A reference to the element at the index.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T ElementAt(int index)
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
return ref UnsafeUtility.ArrayElementAsRef(Buffer, index);
}
}
///
/// Returns the hash code of this list.
///
///
/// Only the content of the list (the bytes of the elements) are included in the hash. Any bytes beyond the length are not part of the hash.
/// The hash code of this list.
public override int GetHashCode()
{
unsafe
{
return (int)CollectionHelper.Hash(Buffer, LengthInBytes);
}
}
///
/// Appends an element to the end of this list. Increments the length by 1.
///
///
/// The same as . Included only for consistency with the other list types.
/// If the element exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// The element to append at the end of the list.
/// Thrown if the append exceeds the capacity.
public void Add(in T item) => AddNoResize(in item);
///
/// Appends elements from a buffer to the end of this list. Increments the length by the number of appended elements.
///
///
/// The same as . Included only for consistency with the other list types.
/// If the elements exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// A buffer.
/// The number of elements from the buffer to append.
/// Thrown if the append exceeds the capacity.
public unsafe void AddRange(void* ptr, int length) => AddRangeNoResize(ptr, length);
///
/// Appends an element to the end of this list. Increments the length by 1.
///
///
/// If the element exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// The element to append at the end of the list.
/// Thrown if the append exceeds the capacity.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void AddNoResize(in T item)
{
this[Length++] = item;
}
///
/// Appends elements from a buffer to the end of this list. Increments the length by the number of appended elements.
///
///
/// If the elements exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// A buffer.
/// The number of elements from the buffer to append.
/// Thrown if the append exceeds the capacity.
public unsafe void AddRangeNoResize(void* ptr, int length)
{
var idx = Length;
Length += length;
UnsafeUtility.MemCpy((T*)Buffer + idx, ptr, UnsafeUtility.SizeOf() * length);
}
///
/// Appends value count times to the end of this list.
///
///
/// If the elements exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// The value to add to the end of this list.
/// The number of times to replicate the value.
/// Thrown if the append exceeds the capacity.
public unsafe void AddReplicate(in T value, int count)
{
var idx = Length;
Length += count;
fixed (T* ptr = &value)
UnsafeUtility.MemCpyReplicate((T*)Buffer + idx, ptr, UnsafeUtility.SizeOf(), count);
}
///
/// Sets the length to 0.
///
/// Does *not* zero out the bytes.
public void Clear()
{
Length = 0;
}
///
/// Shifts elements toward the end of this list, increasing its length.
///
///
/// Right-shifts elements in the list so as to create 'free' slots at the beginning or in the middle.
///
/// The length is increased by `end - begin`.
///
/// If `end` equals `begin`, the method does nothing.
///
/// The element at index `begin` will be copied to index `end`, the element at index `begin + 1` will be copied to `end + 1`, and so forth.
///
/// The indexes `begin` up to `end` are not cleared: they will contain whatever values they held prior.
///
/// The index of the first element that will be shifted up.
/// The index where the first shifted element will end up.
/// Thrown if the new length exceeds the capacity.
public void InsertRangeWithBeginEnd(int begin, int end)
{
int items = end - begin;
if(items < 1)
return;
int itemsToCopy = length - begin;
Length += items;
if(itemsToCopy < 1)
return;
int bytesToCopy = itemsToCopy * UnsafeUtility.SizeOf();
unsafe
{
byte *b = Buffer;
byte *dest = b + end * UnsafeUtility.SizeOf();
byte *src = b + begin * UnsafeUtility.SizeOf();
UnsafeUtility.MemMove(dest, src, bytesToCopy);
}
}
///
/// Shifts elements toward the end of this list, increasing its length.
///
///
/// Right-shifts elements in the list so as to create 'free' slots at the beginning or in the middle.
///
/// The length is increased by `count`. If necessary, the capacity will be increased accordingly.
///
/// If `count` equals `0`, the method does nothing.
///
/// The element at index `index` will be copied to index `index + count`, the element at index `index + 1` will be copied to `index + count + 1`, and so forth.
///
/// The indexes `index` up to `index + count` are not cleared: they will contain whatever values they held prior.
///
/// The index of the first element that will be shifted up.
/// The number of elements to insert.
/// Thrown if `count` is negative.
/// Thrown if `index` is out of bounds.
public void InsertRange(int index, int count) => InsertRangeWithBeginEnd(index, index + count);
///
/// Inserts a single element at an index. Increments the length by 1.
///
/// The index at which to insert the element.
/// The element to insert.
/// Thrown if the index is out of bounds.
public void Insert(int index, in T item)
{
InsertRangeWithBeginEnd(index, index+1);
this[index] = item;
}
///
/// Copies the last element of this list to an index. Decrements the length by 1.
///
/// Useful as a cheap way to remove elements from a list when you don't care about preserving order.
/// The index to overwrite with the last element.
/// Thrown if the index is out of bounds.
public void RemoveAtSwapBack(int index)
{
RemoveRangeSwapBack(index, 1);
}
///
/// Copies the last *N* elements of this list to a range in this list. Decrements the length by *N*.
///
///
/// Copies the last `count`-numbered elements to the range starting at `index`.
///
/// Useful as a cheap way to remove elements from a list when you don't care about preserving order.
///
/// Does nothing if the count is less than 1.
///
/// The first index of the destination range.
/// The number of elements to copy and the amount by which to decrement the length.
/// Thrown if the index is out of bounds.
public void RemoveRangeSwapBack(int index, int count)
{
if (count > 0)
{
int copyFrom = math.max(Length - count, index + count);
unsafe
{
var sizeOf = UnsafeUtility.SizeOf();
void* dst = Buffer + index * sizeOf;
void* src = Buffer + copyFrom * sizeOf;
UnsafeUtility.MemCpy(dst, src, (Length - copyFrom) * sizeOf);
}
Length -= count;
}
}
///
/// Removes the element at an index. Shifts everything above the index down by one and decrements the length by 1.
///
/// The index of the element to remove.
///
/// If you don't care about preserving the order of the elements, `RemoveAtSwapBack` is a more efficient way to remove an element.
///
/// Thrown if the index is out of bounds.
public void RemoveAt(int index)
{
RemoveRange(index, 1);
}
///
/// Removes *N* elements of a range. Shifts everything above the range down by *N* and decrements the length by *N*.
///
///
/// If you don't care about preserving the order of the elements, `RemoveAtSwapBack` is a more efficient way to remove elements.
///
/// The first index of the range to remove.
/// The number of elements to remove.
/// Thrown if the index is out of bounds.
public void RemoveRange(int index, int count)
{
if (count > 0)
{
int copyFrom = math.min(index + count, Length);
unsafe
{
var sizeOf = UnsafeUtility.SizeOf();
void* dst = Buffer + index * sizeOf;
void* src = Buffer + copyFrom * sizeOf;
UnsafeUtility.MemCpy(dst, src, (Length - copyFrom) * sizeOf);
}
Length -= count;
}
}
///
/// Returns a managed array that is a copy of this list.
///
/// A managed array that is a copy of this list.
[ExcludeFromBurstCompatTesting("Returns managed array")]
public T[] ToArray()
{
var result = new T[Length];
unsafe
{
byte* s = Buffer;
fixed(T* d = result)
UnsafeUtility.MemCpy(d, s, LengthInBytes);
}
return result;
}
///
/// Returns an array that is a copy of this list.
///
/// The allocator to use.
/// An array that is a copy of this list.
public NativeArray ToNativeArray(AllocatorManager.AllocatorHandle allocator)
{
unsafe
{
var copy = CollectionHelper.CreateNativeArray(Length, allocator, NativeArrayOptions.UninitializedMemory);
UnsafeUtility.MemCpy(copy.GetUnsafePtr(), Buffer, LengthInBytes);
return copy;
}
}
}
[GenerateTestsForBurstCompatibility]
struct FixedList
{
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int) })]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static int PaddingBytes() where T : unmanaged
{
return math.max(0, math.min(6, (1 << math.tzcnt(UnsafeUtility.SizeOf())) - 2));
}
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static int StorageBytes() where BUFFER : unmanaged where T : unmanaged
{
return UnsafeUtility.SizeOf() - UnsafeUtility.SizeOf() - PaddingBytes();
}
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal static int Capacity() where BUFFER : unmanaged where T : unmanaged
{
return StorageBytes() / UnsafeUtility.SizeOf();
}
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
[Conditional("ENABLE_UNITY_COLLECTIONS_CHECKS"), Conditional("UNITY_DOTS_DEBUG")]
internal static void CheckResize(int newLength) where BUFFER : unmanaged where T : unmanaged
{
var Capacity = Capacity();
if (newLength < 0 || newLength > Capacity)
throw new IndexOutOfRangeException($"NewLength {newLength} is out of range of '{Capacity}' Capacity.");
}
}
<#
var SIZES = new int[]{32,64,128,512,4096};
for(var size = 0; size < 5; ++size)
{
var BYTES = SIZES[size];
var BUFFER_BYTES = BYTES;
var TYPENAME = String.Format("FixedList{0}Bytes", BYTES);
var OLD_TYPENAME = String.Format("FixedList{0}", BYTES);
#>
///
/// An unmanaged, resizable list whose content is all stored directly in the <#=BYTES#>-byte struct. Useful for small lists.
///
/// The type of the elements.
[Serializable]
[DebuggerTypeProxy(typeof(<#=TYPENAME#>DebugView<>))]
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int) })]
public struct <#=TYPENAME#>
: INativeList
, IEnumerable // Used by collection initializers.
<#
foreach(var OTHERBYTES in SIZES)
{
var OTHERTYPENAME = String.Format("FixedList{0}Bytes", OTHERBYTES);
WriteLine(" , IEquatable<{0}>", OTHERTYPENAME);
WriteLine(" , IComparable<{0}>", OTHERTYPENAME);
}
#> where T : unmanaged
{
[SerializeField] internal FixedBytes<#=BUFFER_BYTES#>Align8 data;
internal ushort length
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
unsafe
{
fixed(void* ptr = &data)
return *((ushort*)ptr);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
unsafe
{
fixed (void* ptr = &data)
*((ushort*)ptr) = value;
}
}
}
internal readonly unsafe byte* buffer
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
unsafe
{
fixed (void* ptr = &data)
return ((byte*)ptr) + UnsafeUtility.SizeOf();
}
}
}
///
/// The current number of items in this list.
///
/// The current number of items in this list.
[CreateProperty]
public int Length
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get => length;
set
{
FixedList.CheckResizeAlign8,T>(value);
length = (ushort)value;
}
}
///
/// A property in order to display items in the Entity Inspector.
///
[CreateProperty] IEnumerable Elements => this.ToArray();
///
/// Whether this list is empty.
///
/// True if this string has no characters or if the container has not been constructed.
public readonly bool IsEmpty
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => Length == 0;
}
internal int LengthInBytes => Length * UnsafeUtility.SizeOf();
///
/// Returns a pointer to the first element of the list buffer.
///
///
/// The pointer returned by this method points into the internals of the target list object. It is the
/// caller's responsibility to ensure that the pointer is not used after the list is destroyed or goes
/// out of scope.
///
/// A pointer to the first element of the list buffer.
internal readonly unsafe byte* Buffer
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get
{
return buffer + FixedList.PaddingBytes();
}
}
///
/// The number of elements that can fit in this list.
///
/// The number of elements that can fit in this list.
/// The capacity of a FixedList cannot be changed. The setter is included only for conformity with .
/// Thrown if the new value does not match the current capacity.
public int Capacity
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
return FixedList.CapacityAlign8,T>();
}
set
{
CollectionHelper.CheckCapacityInRange(value, Length);
}
}
///
/// The element at a given index.
///
/// An index.
/// The value to store at the index.
/// Thrown if the index is out of bounds.
public T this[int index]
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
readonly get
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
return UnsafeUtility.ReadArrayElement(Buffer, CollectionHelper.AssumePositive(index));
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
set
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
UnsafeUtility.WriteArrayElement(Buffer, CollectionHelper.AssumePositive(index), value);
}
}
}
///
/// Returns the element at a given index.
///
/// An index.
/// The list element at the index.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public ref T ElementAt(int index)
{
CollectionHelper.CheckIndexInRange(index, length);
unsafe
{
return ref UnsafeUtility.ArrayElementAsRef(Buffer, index);
}
}
///
/// Returns the hash code of this list.
///
///
/// Only the content of the list (the bytes of the elements) are included in the hash. Any bytes beyond the length are not part of the hash.
/// The hash code of this list.
public override int GetHashCode()
{
unsafe
{
return (int)CollectionHelper.Hash(Buffer, LengthInBytes);
}
}
///
/// Appends an element to the end of this list. Increments the length by 1.
///
///
/// The same as . Included only for consistency with the other list types.
/// If the element exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// The element to append at the end of the list.
/// Thrown if the append exceeds the capacity.
public void Add(in T item) => AddNoResize(in item);
///
/// Appends elements from a buffer to the end of this list. Increments the length by the number of appended elements.
///
///
/// The same as . Included only for consistency with the other list types.
/// If the elements exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// A buffer.
/// The number of elements from the buffer to append.
/// Thrown if the append exceeds the capacity.
public unsafe void AddRange(void* ptr, int length) => AddRangeNoResize(ptr, length);
///
/// Appends an element to the end of this list. Increments the length by 1.
///
///
/// If the element exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// The element to append at the end of the list.
/// Thrown if the append exceeds the capacity.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void AddNoResize(in T item)
{
this[Length++] = item;
}
///
/// Appends elements from a buffer to the end of this list. Increments the length by the number of appended elements.
///
///
/// If the elements exceeds the capacity, throws cref="IndexOutOfRangeException", and the list is unchanged.
///
/// A buffer.
/// The number of elements from the buffer to append.
/// Thrown if the append exceeds the capacity.
public unsafe void AddRangeNoResize(void* ptr, int length)
{
var idx = Length;
Length += length;
UnsafeUtility.MemCpy((T*)Buffer + idx, ptr, UnsafeUtility.SizeOf() * length);
}
///
/// Appends value count times to the end of this list.
///
/// The value to add to the end of this list.
/// The number of times to replicate the value.
/// Thrown if the append exceeds the capacity.
public unsafe void AddReplicate(in T value, int count)
{
var idx = Length;
Length += count;
fixed (T* ptr = &value)
UnsafeUtility.MemCpyReplicate((T*)Buffer + idx, ptr, UnsafeUtility.SizeOf(), count);
}
///
/// Sets the length to 0.
///
/// Does *not* zero out the bytes.
public void Clear()
{
Length = 0;
}
///
/// Shifts elements toward the end of this list, increasing its length.
///
///
/// Right-shifts elements in the list so as to create 'free' slots at the beginning or in the middle.
///
/// The length is increased by `end - begin`.
///
/// If `end` equals `begin`, the method does nothing.
///
/// The element at index `begin` will be copied to index `end`, the element at index `begin + 1` will be copied to `end + 1`, and so forth.
///
/// The indexes `begin` up to `end` are not cleared: they will contain whatever values they held prior.
///
/// The index of the first element that will be shifted up.
/// The index where the first shifted element will end up.
/// Thrown if the new length exceeds the capacity.
public void InsertRangeWithBeginEnd(int begin, int end)
{
int items = end - begin;
if(items < 1)
return;
int itemsToCopy = length - begin;
Length += items;
if(itemsToCopy < 1)
return;
int bytesToCopy = itemsToCopy * UnsafeUtility.SizeOf();
unsafe
{
byte *b = Buffer;
byte *dest = b + end * UnsafeUtility.SizeOf();
byte *src = b + begin * UnsafeUtility.SizeOf();
UnsafeUtility.MemMove(dest, src, bytesToCopy);
}
}
///
/// Shifts elements toward the end of this list, increasing its length.
///
///
/// Right-shifts elements in the list so as to create 'free' slots at the beginning or in the middle.
///
/// The length is increased by `count`. If necessary, the capacity will be increased accordingly.
///
/// If `count` equals `0`, the method does nothing.
///
/// The element at index `index` will be copied to index `index + count`, the element at index `index + 1` will be copied to `index + count + 1`, and so forth.
///
/// The indexes `index` up to `index + count` are not cleared: they will contain whatever values they held prior.
///
/// The index of the first element that will be shifted up.
/// The number of elements to insert.
/// Thrown if `count` is negative.
/// Thrown if `index` is out of bounds.
public void InsertRange(int index, int count) => InsertRangeWithBeginEnd(index, index + count);
///
/// Inserts a single element at an index. Increments the length by 1.
///
/// The index at which to insert the element.
/// The element to insert.
/// Thrown if the index is out of bounds.
public void Insert(int index, in T item)
{
InsertRangeWithBeginEnd(index, index+1);
this[index] = item;
}
///
/// Copies the last element of this list to an index. Decrements the length by 1.
///
/// Useful as a cheap way to remove elements from a list when you don't care about preserving order.
/// The index to overwrite with the last element.
/// Thrown if the index is out of bounds.
public void RemoveAtSwapBack(int index)
{
RemoveRangeSwapBack(index, 1);
}
///
/// Copies the last *N* elements of this list to a range in this list. Decrements the length by *N*.
///
///
/// Copies the last `count`-numbered elements to the range starting at `index`.
///
/// Useful as a cheap way to remove elements from a list when you don't care about preserving order.
///
/// Does nothing if the count is less than 1.
///
/// The first index of the destination range.
/// The number of elements to copy and the amount by which to decrement the length.
/// Thrown if the index is out of bounds.
public void RemoveRangeSwapBack(int index, int count)
{
if (count > 0)
{
int copyFrom = math.max(Length - count, index + count);
unsafe
{
var sizeOf = UnsafeUtility.SizeOf();
void* dst = Buffer + index * sizeOf;
void* src = Buffer + copyFrom * sizeOf;
UnsafeUtility.MemCpy(dst, src, (Length - copyFrom) * sizeOf);
}
Length -= count;
}
}
///
/// Removes the element at an index. Shifts everything above the index down by one and decrements the length by 1.
///
/// The index of the element to remove.
///
/// If you don't care about preserving the order of the elements, `RemoveAtSwapBack` is a more efficient way to remove an element.
///
/// Thrown if the index is out of bounds.
public void RemoveAt(int index)
{
RemoveRange(index, 1);
}
///
/// Removes *N* elements of a range. Shifts everything above the range down by *N* and decrements the length by *N*.
///
///
/// If you don't care about preserving the order of the elements, `RemoveAtSwapBack` is a more efficient way to remove elements.
///
/// The first index of the range to remove.
/// The number of elements to remove.
/// Thrown if the index is out of bounds.
public void RemoveRange(int index, int count)
{
if (count > 0)
{
int copyFrom = math.min(index + count, Length);
unsafe
{
var sizeOf = UnsafeUtility.SizeOf();
void* dst = Buffer + index * sizeOf;
void* src = Buffer + copyFrom * sizeOf;
UnsafeUtility.MemCpy(dst, src, (Length - copyFrom) * sizeOf);
}
Length -= count;
}
}
///
/// Returns a managed array that is a copy of this list.
///
/// A managed array that is a copy of this list.
[ExcludeFromBurstCompatTesting("Returns managed array")]
public T[] ToArray()
{
var result = new T[Length];
unsafe
{
byte* s = Buffer;
fixed(T* d = result)
UnsafeUtility.MemCpy(d, s, LengthInBytes);
}
return result;
}
///
/// Returns an array that is a copy of this list.
///
/// The allocator to use.
/// An array that is a copy of this list.
public NativeArray ToNativeArray(AllocatorManager.AllocatorHandle allocator)
{
unsafe
{
var copy = CollectionHelper.CreateNativeArray(Length, allocator, NativeArrayOptions.UninitializedMemory);
UnsafeUtility.MemCpy(copy.GetUnsafePtr(), Buffer, LengthInBytes);
return copy;
}
}
<#
foreach(var OTHERBYTES in SIZES)
{
var OTHER_BUFFER_BYTES = OTHERBYTES;
var OTHERTYPENAME = String.Format("FixedList{0}Bytes", OTHERBYTES);
#>
///
/// Returns true if two lists are equal.
///
/// Two lists are equal if their length and bytes are equal.
/// The first list to compare for equality.
/// The second list to compare for equality.
/// True if the two lists are equal.
public static bool operator ==(in <#=TYPENAME#> a, in <#=OTHERTYPENAME#> b)
{
unsafe
{
if(a.length != b.length)
return false;
return UnsafeUtility.MemCmp(a.Buffer, b.Buffer, a.LengthInBytes) == 0;
}
}
///
/// Returns true if two lists are unequal.
///
/// Two lists are equal if their length and bytes are equal.
/// The first list to compare for inequality.
/// The second list to compare for inequality.
/// True if the two lists are unequal.
public static bool operator !=(in <#=TYPENAME#> a, in <#=OTHERTYPENAME#> b)
{
return !(a == b);
}
///
/// Returns a number denoting whether this list should be placed before or after another list in a sort.
///
/// A list to to compare with.
/// An integer denoting the respective sort position of the list relative to the other:
///
/// 0 denotes that both lists should have the same position in a sort.
/// -1 denotes that this list should precede the other list in a sort.
/// +1 denotes that this list should follow the other list in a sort.
///
public int CompareTo(<#=OTHERTYPENAME#> other)
{
unsafe
{
byte* a = buffer;
byte* b = other.buffer;
var aa = a + FixedList.PaddingBytes();
var bb = b + FixedList.PaddingBytes();
var mini = math.min(Length, other.Length);
for(var i = 0; i < mini; ++i)
{
var j = UnsafeUtility.MemCmp(aa + sizeof(T) * i, bb + sizeof(T) * i, sizeof(T));
if(j != 0)
return j;
}
return Length.CompareTo(other.Length);
}
}
///
/// Returns true if this list and another list are equal.
///
/// Two lists are equal if their length and bytes are equal.
/// The list to compare for equality.
/// True if the two lists are equal.
public bool Equals(<#=OTHERTYPENAME#> other)
{
return CompareTo(other) == 0;
}
<#
if(BYTES != OTHERBYTES)
{
#>
///
/// Initializes and returns an instance of <#=TYPENAME#> with content copied from another list.
///
/// The list to copy.
/// Throws if the other list's length exceeds the capacity of <#=TYPENAME#><T>.
public <#=TYPENAME#>(in <#=OTHERTYPENAME#> other)
{
this = default;
var error = Initialize(other);
if(error != 0)
FixedList.CheckResizeAlign8,T>(other.Length);
}
///
/// Initializes an instance of <#=TYPENAME#> with content copied from another list.
///
/// The list to copy.
/// zero on success, or non-zero on error.
internal int Initialize(in <#=OTHERTYPENAME#> other)
{
if(other.Length > Capacity)
return (int)CopyError.Truncation;
length = other.length;
unsafe
{
UnsafeUtility.MemCpy(Buffer, other.Buffer, LengthInBytes);
}
return 0;
}
///
/// Returns a new list that is a copy of another list.
///
/// The list to copy.
/// A new list that is a copy of the other.
/// Throws if the other list's length exceeds the capacity of <#=TYPENAME#><T>.
public static implicit operator <#=TYPENAME#>(in <#=OTHERTYPENAME#> other)
{
return new <#=TYPENAME#>(other);
}
<#
}
}
#>
///
/// Returns true if the list is equal to an object.
///
/// Two lists are equal if their length and bytes are equal.
///
/// A FixedList*N*<T> can only be equal to another FixedList*N*<T> with the same *N* and T.
///
/// An object to compare for equality.
/// True if the list is equal to the object.
[ExcludeFromBurstCompatTesting("Takes managed object")]
public override bool Equals(object obj)
{
<#
foreach(var OTHERBYTES in SIZES)
{
var OTHERTYPENAME = String.Format("FixedList{0}Bytes", OTHERBYTES);
WriteLine(" if(obj is {0} a{0}) return Equals(a{0});", OTHERTYPENAME);
}
#>
return false;
}
///
/// An enumerator over the elements of a <#=TYPENAME#><T>.
///
///
/// In an enumerator's initial state, `Current` cannot be read. The first call advances the enumerator to the first element.
///
public struct Enumerator : IEnumerator
{
<#=TYPENAME#> m_List;
int m_Index;
///
/// Initializes and returns an instance of <#=TYPENAME#><T>.
///
/// The list for which to create an enumerator.
public Enumerator(ref <#=TYPENAME#> list)
{
m_List = list;
m_Index = -1;
}
///
/// Does nothing.
///
public void Dispose()
{
}
///
/// Advances the enumerator to the next element.
///
/// True if is valid to read after the call.
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public bool MoveNext()
{
m_Index++;
return m_Index < m_List.Length;
}
///
/// Resets the enumerator to its initial state.
///
public void Reset()
{
m_Index = -1;
}
///
/// The current element.
///
/// The current element.
public T Current
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
get => m_List[m_Index]; // Let <#=TYPENAME#> indexer check for out of range.
}
object IEnumerator.Current => Current;
}
///
/// Returns an enumerator for iterating over the elements of this list.
///
/// An enumerator for iterating over the elements of this list.
public Enumerator GetEnumerator()
{
return new Enumerator(ref this);
}
///
/// This method is not implemented. Use instead.
///
/// Nothing because it always throws .
/// Method is not implemented.
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
///
/// This method is not implemented. Use instead.
///
/// Nothing because it always throws .
/// Method is not implemented.
IEnumerator IEnumerable.GetEnumerator()
{
throw new NotImplementedException();
}
}
///
/// Provides extension methods for <#=TYPENAME#>.
///
[GenerateTestsForBurstCompatibility]
public unsafe static class <#=TYPENAME#>Extensions
{
///
/// Finds the index of the first occurrence of a particular value in this list.
///
/// The type of elements in this list.
/// The value type.
/// The list to search.
/// The value to locate.
/// The index of the first occurrence of the value. Returns -1 if no occurrence is found.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
public static int IndexOf(this ref <#=TYPENAME#> list, U value) where T : unmanaged, IEquatable
{
return NativeArrayExtensions.IndexOf(list.Buffer, list.Length, value);
}
///
/// Returns true if a particular value is present in this list.
///
/// The type of elements in this list.
/// The value type.
/// The list to search.
/// The value to locate.
/// True if the value is present in this list.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
public static bool Contains(this ref <#=TYPENAME#> list, U value) where T : unmanaged, IEquatable
{
return list.IndexOf(value) != -1;
}
///
/// Removes the first occurrence of a particular value in this list.
///
///
/// If a value is removed, all elements after it are shifted down by one, and the list's length is decremented by one.
///
/// If you don't need to preserve the order of the remaining elements, is a cheaper alternative.
///
/// The type of elements in this list.
/// The value type.
/// The list to search.
/// The value to locate and remove.
/// True if the value was found and removed.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
public static bool Remove(this ref <#=TYPENAME#> list, U value) where T : unmanaged, IEquatable
{
int index = list.IndexOf(value);
if (index < 0)
{
return false;
}
list.RemoveAt(index);
return true;
}
///
/// Removes the first occurrence of a particular value in this list.
///
///
/// If a value is removed, the last element of the list is copied to overwrite the removed value, and the list's length is decremented by one.
///
/// This is cheaper than , but the order of the remaining elements is not preserved.
///
/// The type of elements in this list.
/// The value type.
/// The list to search.
/// The value to locate and remove.
/// Returns true if the item is removed.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(int) })]
public static bool RemoveSwapBack(this ref <#=TYPENAME#> list, U value) where T : unmanaged, IEquatable
{
var index = list.IndexOf(value);
if (index == -1)
{
return false;
}
list.RemoveAtSwapBack(index);
return true;
}
}
sealed class <#=TYPENAME#>DebugView where T : unmanaged
{
<#=TYPENAME#> m_List;
public <#=TYPENAME#>DebugView(<#=TYPENAME#> list)
{
m_List = list;
}
public T[] Items => m_List.ToArray();
}
<#
}
#>
<#
var TYPES = new string[]{"byte","int","float"};
var TYPESIZES = new int[]{1,4,4};
for(var type = 0; type < 3; ++type)
for(var size = 0; size < 5; ++size)
{
var BYTES = SIZES[size];
var TYPE = TYPES[type];
var TYPESIZE = TYPESIZES[type];
var BUFFER_BYTES = BYTES;
var TYPENAME = String.Format("FixedList{0}{1}", new CultureInfo("en-US").TextInfo.ToTitleCase(TYPE), BYTES);
var NEW_TYPENAME = $"FixedList{BYTES}Bytes<{TYPE}>";
#>
<#
}
#>
///
/// Provides extension methods for FixedList*N*.
///
public static class FixedListExtensions
{
<#
for(var size = 0; size < 5; ++size)
{
var BYTES = SIZES[size];
var BUFFER_BYTES = BYTES;
var TYPENAME = String.Format("FixedList{0}Bytes", BYTES);
#>
///
/// Sorts the elements in this list in ascending order.
///
/// The type of the elements.
/// The list to sort.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int) })]
public static void Sort(this ref <#=TYPENAME#> list)
where T : unmanaged, IComparable
{
unsafe
{
var c = list.buffer + FixedList.PaddingBytes();
NativeSortExtension.Sort((T*)c, list.Length);
}
}
///
/// Sorts the elements in this list using a custom comparison.
///
/// The type of the elements.
/// The type of the comparer.
/// The list to sort.
/// The comparison function used to determine the relative order of the elements.
[GenerateTestsForBurstCompatibility(GenericTypeArguments = new [] { typeof(int), typeof(NativeSortExtension.DefaultComparer) })]
public static void Sort(this ref <#=TYPENAME#> list, U comp)
where T : unmanaged, IComparable
where U : IComparer
{
unsafe
{
var c = list.buffer + FixedList.PaddingBytes();
NativeSortExtension.Sort((T*)c, list.Length, comp);
}
}
<#
}
#>
}
}