Misaki
6a041f75ba
Major architectural update to graphics/material/shader system: - Introduced strongly-typed key structs (Key64/Key128) for passes, variants, and pipelines; removed legacy key types. - Implemented robust hashing and key generation utilities for efficient variant and pipeline lookup/caching. - Shader compiler now compiles/caches all keyword variants using new key system; includes handled as lists. - Switched to push constant root signature for per-draw data; updated HLSL and C# codegen accordingly. - Refactored Material, Shader, and Pass data structures for cache efficiency and variant support. - Pipeline library and PSO management now use 128-bit keys and variant-specific caching. - Replaced WorldNode with SceneNode in editor/scene graph; introduced ComponentManager for archetype/query management. - Migrated math utilities to Misaki.HighPerformance.Mathematics; updated editor controls. - Updated all HLSL and codegen for new buffer/push constant layouts and macros. - Misc: project reference cleanup, D3D12 Work Graph support, doc updates, and code modernization.
605 lines
23 KiB
C#
605 lines
23 KiB
C#
using Ghost.Core;
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using Misaki.HighPerformance.LowLevel.Buffer;
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using Misaki.HighPerformance.LowLevel.Collections;
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using System.Runtime.CompilerServices;
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namespace Ghost.Entities;
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internal struct EntityQueryMask : IDisposable, IEquatable<EntityQueryMask>
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{
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public UnsafeBitSet structuralAll;
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public UnsafeBitSet structuralAny;
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public UnsafeBitSet structuralAbsent;
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public UnsafeBitSet requireEnabled;
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public UnsafeBitSet requireDisabled;
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public UnsafeBitSet rejectIfEnabled;
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public UnsafeBitSet writeAccess;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly bool Matches(ref readonly UnsafeBitSet archetypeSignature)
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{
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return (!structuralAll.IsCreated || structuralAll.All(archetypeSignature))
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&& (!structuralAbsent.IsCreated || structuralAbsent.None(archetypeSignature))
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&& (!structuralAny.IsCreated || structuralAny.Count == 0 || structuralAny.Any(archetypeSignature));
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public override readonly int GetHashCode()
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{
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var hash = 17;
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if (structuralAll.IsCreated) hash = hash * 23 + structuralAll.GetHashCode();
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if (structuralAbsent.IsCreated) hash = hash * 23 + structuralAbsent.GetHashCode();
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if (structuralAny.IsCreated) hash = hash * 23 + structuralAny.GetHashCode();
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if (requireEnabled.IsCreated) hash = hash * 23 + requireEnabled.GetHashCode();
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if (requireDisabled.IsCreated) hash = hash * 23 + requireDisabled.GetHashCode();
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if (rejectIfEnabled.IsCreated) hash = hash * 23 + rejectIfEnabled.GetHashCode();
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if (writeAccess.IsCreated) hash = hash * 23 + writeAccess.GetHashCode();
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return hash;
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}
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public readonly bool Equals(EntityQueryMask other)
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{
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return structuralAll.Equals(other.structuralAll)
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&& structuralAny.Equals(other.structuralAny)
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&& structuralAbsent.Equals(other.structuralAbsent)
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&& requireEnabled.Equals(other.requireEnabled)
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&& requireDisabled.Equals(other.requireDisabled)
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&& rejectIfEnabled.Equals(other.rejectIfEnabled)
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&& writeAccess.Equals(other.writeAccess);
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}
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public override readonly bool Equals(object? obj)
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{
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return obj is EntityQueryMask mask && Equals(mask);
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}
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public static bool operator ==(EntityQueryMask left, EntityQueryMask right)
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{
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return left.Equals(right);
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}
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public static bool operator !=(EntityQueryMask left, EntityQueryMask right)
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{
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return !(left == right);
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}
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public void Dispose()
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{
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structuralAll.Dispose();
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structuralAny.Dispose();
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structuralAbsent.Dispose();
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requireEnabled.Dispose();
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requireDisabled.Dispose();
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rejectIfEnabled.Dispose();
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writeAccess.Dispose();
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}
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}
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/// <summary>
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/// Provides a read-only view over a chunk of entities and their component data within an archetype.
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/// </summary>
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/// <remarks>This does not filter disabled/enabled components. You must handle that manually.</remarks>
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public readonly unsafe ref struct ChunkView
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{
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// We flatten all the information we need for fast access.
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private readonly ReadOnlyUnsafeCollection<Archetype.ComponentMemoryLayout> _layouts;
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private readonly byte* _pChunkData;
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private readonly int* _pVersion;
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private readonly int _entityOffset;
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private readonly int _entityCount;
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private readonly int _structuralVersion;
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private readonly int _currentVersion;
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public readonly int Count => _entityCount;
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internal ChunkView(ref readonly Archetype archetype, ref readonly Chunk chunk)
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{
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_layouts = archetype._layouts.AsReadOnly();
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_pChunkData = chunk.GetUnsafePtr();
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_entityOffset = archetype.EntityIDsOffset;
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_entityCount = chunk._count;
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_pVersion = chunk.GetVersionUnsafePtr();
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_structuralVersion = chunk._structuralVersion;
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_currentVersion = World.GetWorldUncheck(archetype.WorldID).Version;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private Archetype.ComponentMemoryLayout GetLayout(Identifier<IComponent> id)
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{
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var layout = _layouts[id.Value];
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if (layout.enableBitsOffset == -1)
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{
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throw new InvalidOperationException($"Component {id} is not exist in the archetype.");
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}
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return layout;
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}
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/// <summary>
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/// Determines whether the specified component has changed since the given version.
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/// </summary>
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/// <param name="id">The identifier of the component to check for changes.</param>
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/// <param name="version">The version number to compare against the component's current version. Must be greater than or equal to zero.</param>
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/// <returns>true if the component's current version is less than or equal to the specified version; otherwise, false.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool HasChanged(Identifier<IComponent> id, int version)
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{
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var layout = GetLayout(id);
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return version < _pVersion[layout.versionIndex];
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}
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/// <summary>
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/// Determines whether the specified version indicates that the component of space <typeparamref name="T"/> has
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/// changed since the last recorded version.
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/// </summary>
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/// <typeparam name="T">The space of component to check for changes. Must be an unmanaged space that implements <see cref="IComponent"/>.</typeparam>
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/// <param name="version">The version number to compare against the current version of the component.</param>
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/// <returns>true if the component of space T has changed since the specified version; otherwise, false.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly bool HasChanged<T>(int version)
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where T : unmanaged, IComponent
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{
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var layout = GetLayout(ComponentTypeID<T>.Value);
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return version < _pVersion[layout.versionIndex];
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}
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/// <summary>
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/// Determines whether the chunk's structure has changed since the specified version.
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/// </summary>
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/// <param name="version">The version number to compare against the chunk's structural version.</param>
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/// <returns>true if the chunk's structure has changed since the specified version; otherwise, false.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly bool HasStructuralChanged(int version)
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{
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return version < _structuralVersion;
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}
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/// <summary>
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/// Gets the current version number associated with the specified component identifier.
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/// </summary>
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/// <param name="id">The identifier of the component for which to retrieve the version number. Must reference a valid component.</param>
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/// <returns>The version number of the specified component.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly int GetComponentVersion(Identifier<IComponent> id)
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{
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return _pVersion[id];
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}
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/// <summary>
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/// Gets the current version number associated with the specified component space.
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/// </summary>
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/// <typeparam name="T">The component space for which to retrieve the version. Must be an unmanaged space that implements <see cref="IComponent"/>.</typeparam>
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/// <returns>The version number of the component space <typeparamref name="T"/>.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly int GetComponentVersion<T>()
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where T : unmanaged, IComponent
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{
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return _pVersion[ComponentTypeID<T>.Value];
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}
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/// <summary>
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/// Returns a read-only span containing structuralAll entities stored in the current chunk.
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/// </summary>
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/// <returns>A read-only span of <see cref="Entity"/> values representing the entities in the chunk.</returns>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ReadOnlySpan<Entity> GetEntities()
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{
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var pEntity = (Entity*)(_pChunkData + _entityOffset);
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return new ReadOnlySpan<Entity>(pEntity, _entityCount);
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}
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/// <summary>
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/// Gets a readonly span providing direct access to the component data of space T0 for structuralAll entities in the chunk.
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/// </summary>
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/// <typeparam name="T">The space of component to access. Must be an unmanaged space that implements <see cref="Component"/>.</typeparam>
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/// <returns>A readonly span of space <see cref="{T}"/> containing the component data for each entity in the chunk.</returns>
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/// <exception cref="InvalidOperationException">Thrown if the specified component space is not present in the archetype.</exception>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public ReadOnlySpan<T> GetComponentData<T>()
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where T : unmanaged, IComponent
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{
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var layout = GetLayout(ComponentTypeID<T>.Value);
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var pComponentData = _pChunkData + layout.offset;
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return new ReadOnlySpan<T>(pComponentData, _entityCount);
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}
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/// <summary>
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/// Gets a span providing direct access to the component data of space T0 for structuralAll entities in the chunk.
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/// </summary>
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/// <typeparam name="T">The space of component to access. Must be an unmanaged space that implements <see cref="Component"/>.</typeparam>
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/// <returns>A span of space <see cref="{T}"/> containing the component data for each entity in the chunk.</returns>
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/// <exception cref="InvalidOperationException">Thrown if the specified component space is not present in the archetype.</exception>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public Span<T> GetComponentDataRW<T>()
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where T : unmanaged, IComponent
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{
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var compId = ComponentTypeID<T>.Value;
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var layout = GetLayout(compId);
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_pVersion[layout.versionIndex] = _currentVersion;
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var pComponentData = _pChunkData + layout.offset;
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return new Span<T>(pComponentData, _entityCount);
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}
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/// <summary>
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/// Gets a bit set representing the enabled state of each instance of the specified enableable component
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/// space within the current chunk.
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/// </summary>
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/// <typeparam name="T">The component space for which to retrieve enablement bits. Must be unmanaged and implement <see cref="IEnableableComponent"/>.</typeparam>
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/// <returns>A <see cref="SpanBitSet"/> that provides access to the enablement bits for all instances of the specified component space in the chunk.</returns>
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/// <exception cref="InvalidOperationException">Thrown if the specified component space does not support enablement.</exception>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public SpanBitSet GetEnableBits<T>()
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where T : unmanaged, IEnableableComponent
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{
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var layout = _layouts[ComponentTypeID<T>.Value];
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var maskBase = _pChunkData + layout.enableBitsOffset;
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return new SpanBitSet(new Span<uint>(maskBase, (_entityCount + 31) / 32));
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}
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/// <summary>
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/// Determines whether the specified component of space <typeparamref name="T"/> at the given index is currently enabled.
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/// </summary>
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/// <typeparam name="T">The space of the component to check. Must be an unmanaged space that implements <see cref="IEnableableComponent"/>.</typeparam>
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/// <param name="index">The zero-based index of the component instance to check within the chunk.</param>
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/// <returns>true if the component at the specified index is enabled; otherwise, false.</returns>
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/// <exception cref="InvalidOperationException">Thrown if the specified component space <typeparamref name="T"/> does not support enable/disable functionality.</exception>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public bool IsComponentEnabled<T>(int index)
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where T : unmanaged, IEnableableComponent
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{
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var layout = GetLayout(ComponentTypeID<T>.Value);
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var pMask = _pChunkData + layout.enableBitsOffset;
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return EntityQuery.CheckBit(pMask, index);
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}
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}
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public unsafe partial struct EntityQuery : IDisposable
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{
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/// <summary>
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/// Provides an enumerator for iterating over chunks of entities and their component data that match a set of archetypes within a world.
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/// </summary>
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public readonly ref struct ChunkIterator
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{
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public ref struct Enumerator
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{
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private readonly ChunkIterator _iterator;
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private int _archetypeIndex;
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private int _chunkIndex;
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internal Enumerator(ChunkIterator iterator)
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{
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_iterator = iterator;
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_archetypeIndex = 0;
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_chunkIndex = -1;
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}
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public readonly ChunkView Current
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{
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get
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{
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ref var archetype = ref _iterator._world.ComponentManager.GetArchetypeReference(_iterator._matchingArchetypes[_archetypeIndex]);
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ref var chunk = ref archetype.GetChunkReference(_chunkIndex);
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return new ChunkView(in archetype, in chunk);
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}
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}
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public bool MoveNext()
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{
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_chunkIndex++;
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while (_archetypeIndex < _iterator._matchingArchetypes.Count)
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{
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ref var archetype = ref _iterator._world.ComponentManager.GetArchetypeReference(_iterator._matchingArchetypes[_archetypeIndex]);
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if (_chunkIndex < archetype.ChunkCount)
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{
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return true;
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}
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_chunkIndex = 0;
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_archetypeIndex++;
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}
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return false;
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}
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public void Reset()
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{
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_archetypeIndex = 0;
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_chunkIndex = -1;
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}
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}
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private readonly ReadOnlyUnsafeCollection<Identifier<Archetype>> _matchingArchetypes;
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private readonly World _world;
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internal ChunkIterator(ReadOnlyUnsafeCollection<Identifier<Archetype>> matchingArchetypes, World world)
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{
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_matchingArchetypes = matchingArchetypes;
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_world = world;
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}
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public readonly Enumerator GetEnumerator()
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{
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return new Enumerator(this);
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}
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}
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internal EntityQueryMask _mask;
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private UnsafeList<Identifier<Archetype>> _matchingArchetypes;
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private readonly Identifier<EntityQuery> _id;
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private readonly Identifier<World> _worldID;
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internal EntityQuery(Identifier<EntityQuery> id, Identifier<World> worldID, EntityQueryMask mask)
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{
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_id = id;
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_worldID = worldID;
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_mask = mask;
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_matchingArchetypes = new UnsafeList<Identifier<Archetype>>(8, Allocator.Persistent);
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}
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// TODO: Fetching layout every time is not optimal. Cache them?
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private static bool IsEntityValid(byte* chunkBase, int entityIndex, ref readonly Archetype archetype, ref readonly EntityQueryMask mask)
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{
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// 1. Check "Require Enabled" (WithAll)
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var it = mask.requireEnabled.GetIterator();
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while (it.Next(out var id))
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{
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// Get the EnableBitmask for this component in this chunk
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var layoutResult = archetype.GetLayout(id);
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if (layoutResult.Error != ErrorStatus.None
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// Not enableable, always true
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|| layoutResult.Value.enableBitsOffset == -1)
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{
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continue;
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}
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// Check bit
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if (!CheckBit(chunkBase + layoutResult.Value.enableBitsOffset, entityIndex))
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{
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return false;
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}
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}
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// 2. Check "Require Disabled" (WithDisabled)
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it = mask.requireDisabled.GetIterator();
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while (it.Next(out var id))
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{
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var layoutResult = archetype.GetLayout(id);
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if (layoutResult.Error != ErrorStatus.None)
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{
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continue;
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}
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// If component is not enableable, it is technically "Always Enabled",
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// so it cannot satisfy "WithDisabled".
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// Check bit (Must be 0)
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if (layoutResult.Value.enableBitsOffset == -1
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|| CheckBit(chunkBase + layoutResult.Value.enableBitsOffset, entityIndex))
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{
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return false;
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}
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}
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// 3. Check "Reject if Enabled" (The "Soft WithNone")
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it = mask.rejectIfEnabled.GetIterator();
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while (it.Next(out var id))
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{
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var layoutResult = archetype.GetLayout(id);
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if (layoutResult.Error != ErrorStatus.None)
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{
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continue;
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}
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// If component is not enableable, it is technically "Always Enabled",
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// so it cannot satisfy "Reject if Enabled".
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// Check bit (Must be 0)
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if (layoutResult.Value.enableBitsOffset == -1
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|| CheckBit(chunkBase + layoutResult.Value.enableBitsOffset, entityIndex))
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{
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return false;
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}
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}
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return true;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal static bool CheckBit(byte* maskBase, int index)
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{
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var byteIndex = index >> Chunk.BIT_SHIFT;
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var bitIndex = index & Chunk.BIT_ALIGNMENT_MINUS_ONE;
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return (maskBase[byteIndex] & (1 << bitIndex)) != 0;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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internal void AddArchetypeIfMatch(ref readonly Archetype archetype)
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{
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if (_mask.Matches(in archetype._signature))
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{
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_matchingArchetypes.Add(archetype.ID);
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly ChunkIterator GetChunkIterator()
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{
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var world = World.GetWorld(_worldID).Value;
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return new ChunkIterator(_matchingArchetypes.AsReadOnly(), world);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly int GetEntityCount()
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{
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var total = 0;
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var r = World.GetWorld(_worldID);
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if (r.IsFailure)
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{
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return 0;
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}
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var world = r.Value;
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for(var i = 0; i < _matchingArchetypes.Count; i++)
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{
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var archetypeID = _matchingArchetypes[i];
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ref var archetype = ref world.ComponentManager.GetArchetypeReference(archetypeID);
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for (var j = 0; j < archetype.ChunkCount; j++)
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{
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ref var chunk = ref archetype.GetChunkReference(j);
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total += chunk._count;
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}
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}
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return total;
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}
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public void Dispose()
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{
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_mask.Dispose();
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_matchingArchetypes.Dispose();
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}
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}
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public ref partial struct QueryBuilder
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{
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private readonly Stack.Scope _scope;
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private UnsafeList<Identifier<IComponent>> _all;
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private UnsafeList<Identifier<IComponent>> _any;
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private UnsafeList<Identifier<IComponent>> _absent;
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private UnsafeList<Identifier<IComponent>> _none;
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private UnsafeList<Identifier<IComponent>> _disabled;
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private UnsafeList<Identifier<IComponent>> _present;
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private UnsafeList<Identifier<IComponent>> _rw;
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public QueryBuilder()
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{
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_scope = AllocationManager.CreateStackScope();
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_all = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
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_any = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
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_absent = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
|
|
_none = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
|
|
_disabled = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
|
|
_present = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
|
|
|
|
_rw = new UnsafeList<Identifier<IComponent>>(4, _scope.AllocationHandle);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
private static void FindMax(UnsafeList<Identifier<IComponent>> list, ref int max)
|
|
{
|
|
foreach (var id in list)
|
|
{
|
|
if (id.Value > max) max = id.Value;
|
|
}
|
|
}
|
|
|
|
public Identifier<EntityQuery> Build(World world, Allocator allocator = Allocator.Persistent)
|
|
{
|
|
// 1. Calculate max component ID to size the BitSets
|
|
var maxID = 0;
|
|
FindMax(_all, ref maxID);
|
|
FindMax(_any, ref maxID);
|
|
FindMax(_absent, ref maxID);
|
|
FindMax(_none, ref maxID);
|
|
FindMax(_disabled, ref maxID);
|
|
FindMax(_present, ref maxID);
|
|
|
|
// 2. Create the Mask
|
|
var mask = new EntityQueryMask
|
|
{
|
|
structuralAll = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
structuralAny = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
structuralAbsent = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
requireEnabled = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
requireDisabled = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
rejectIfEnabled = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
|
|
writeAccess = new UnsafeBitSet(maxID + 1, allocator, AllocationOption.Clear),
|
|
};
|
|
|
|
// 3. Fill BitSets
|
|
foreach (var id in _all)
|
|
{
|
|
mask.structuralAll.SetBit(id); // Structure: Must Exist
|
|
mask.requireEnabled.SetBit(id); // Filter: Must be Enabled
|
|
}
|
|
|
|
foreach (var id in _disabled)
|
|
{
|
|
mask.structuralAll.SetBit(id); // Structure: Must Exist
|
|
mask.requireDisabled.SetBit(id); // Filter: Must be Disabled
|
|
}
|
|
|
|
foreach (var id in _none)
|
|
{
|
|
if (ComponentRegistry.GetComponentInfo(id).isEnableable)
|
|
{
|
|
mask.rejectIfEnabled.SetBit(id); // Filter: Must Not be Enabled (Can be Absent or Disabled)
|
|
}
|
|
else
|
|
{
|
|
mask.structuralAbsent.SetBit(id); // Structure: Must Not Exist
|
|
}
|
|
}
|
|
|
|
foreach (var id in _present)
|
|
{
|
|
mask.structuralAll.SetBit(id);
|
|
}
|
|
|
|
foreach (var id in _absent)
|
|
{
|
|
mask.structuralAbsent.SetBit(id);
|
|
}
|
|
|
|
foreach (var id in _any)
|
|
{
|
|
mask.structuralAny.SetBit(id);
|
|
}
|
|
|
|
foreach (var id in _rw)
|
|
{
|
|
mask.writeAccess.SetBit(id);
|
|
}
|
|
|
|
// 4. Ask World for the Query (Cached)
|
|
var maskHash = mask.GetHashCode();
|
|
var queryID = world.ComponentManager.GetEntityQueryIDByMaskHash(maskHash);
|
|
if (queryID.IsValid)
|
|
{
|
|
// Check if the masks are actually equal (Hash collision?).
|
|
// Really worth it? It's unlikely to have collisions here.
|
|
if (world.ComponentManager.GetEntityQueryReference(queryID)._mask.Equals(mask))
|
|
{
|
|
mask.Dispose();
|
|
goto Return;
|
|
}
|
|
}
|
|
|
|
// NOTE: We do not dispose the mask here, as it is now owned by the EntityQuery.
|
|
queryID = world.ComponentManager.CreateEntityQuery(mask, maskHash);
|
|
|
|
Return:
|
|
Dispose();
|
|
return queryID;
|
|
}
|
|
|
|
private readonly void Dispose()
|
|
{
|
|
_scope.Dispose();
|
|
}
|
|
}
|