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3 Commits

Author SHA1 Message Date
cosmonaut 94c195e920 sparse set 2023-12-19 15:31:10 -08:00
cosmonaut cbdcca5bbf start rewriting component storage 2023-12-18 17:58:08 -08:00
cosmonaut 2adecf771a rewrite storage getters to avoid dictionaries 2023-12-18 11:33:29 -08:00
10 changed files with 319 additions and 257 deletions

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@ -7,8 +7,8 @@ namespace MoonTools.ECS.Collections;
public unsafe class NativeArray<T> : IDisposable where T : unmanaged
{
private T* Elements;
public int Count { get; private set;}
private int Capacity;
public int Count { get; private set; }
public int Capacity { get; private set; }
private int ElementSize;
public Span<T> ToSpan() => new Span<T>(Elements, Count);
@ -61,7 +61,7 @@ public unsafe class NativeArray<T> : IDisposable where T : unmanaged
Count = 0;
}
private void ResizeTo(int size)
public void ResizeTo(int size)
{
Capacity = size;
Elements = (T*) NativeMemory.Realloc((void*) Elements, (nuint) (ElementSize * Capacity));

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@ -7,8 +7,8 @@ namespace MoonTools.ECS.Collections;
internal unsafe class NativeArray : IDisposable
{
private nint Elements;
public int Count { get; private set;}
private int Capacity;
public int Count { get; private set; }
public int Capacity { get; private set; }
public readonly int ElementSize;
private bool IsDisposed;
@ -44,7 +44,7 @@ internal unsafe class NativeArray : IDisposable
Elements = (nint) NativeMemory.Realloc((void*) Elements, (nuint) (ElementSize * Capacity));
}
private void ResizeTo(int capacity)
public void ResizeTo(int capacity)
{
Capacity = capacity;
Elements = (nint) NativeMemory.Realloc((void*) Elements, (nuint) (ElementSize * Capacity));
@ -65,6 +65,11 @@ internal unsafe class NativeArray : IDisposable
Count -= 1;
}
public void RemoveLastElement()
{
Count -= 1;
}
public void Append<T>(T component) where T : unmanaged
{
if (Count >= Capacity)

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@ -1,87 +1,104 @@
using System;
using System.Collections.Generic;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using MoonTools.ECS.Collections;
namespace MoonTools.ECS;
internal class ComponentStorage : IDisposable
public class ComponentStorage : IDisposable
{
internal readonly Dictionary<Entity, int> EntityIDToStorageIndex = new Dictionary<Entity, int>(16);
internal readonly NativeArray Components;
internal readonly NativeArray<Entity> EntityIDs;
internal readonly TypeId TypeId;
internal readonly NativeArray<Entity> DenseArray = new NativeArray<Entity>();
internal readonly NativeArray<int> SparseArray = new NativeArray<int>();
internal nint ElementArray;
internal int ElementArrayCapacity;
private bool IsDisposed;
public ComponentStorage(TypeId typeId, int elementSize)
public int ElementSize { get; private set; }
public int Count => DenseArray.Count;
public unsafe ComponentStorage(int elementSize)
{
Components = new NativeArray(elementSize);
EntityIDs = new NativeArray<Entity>();
TypeId = typeId;
for (var i = 0; i < 16; i += 1)
{
SparseArray.Append(Entity.Null.ID); // sentinel value
}
ElementArrayCapacity = 16;
ElementArray = (nint) NativeMemory.Alloc((nuint) (elementSize * ElementArrayCapacity));
ElementSize = elementSize;
}
public bool Any()
public bool Any() => DenseArray.Count > 0;
public unsafe ref T Get<T>(Entity entity) where T : unmanaged
{
return Components.Count > 0;
return ref ((T*) ElementArray)[SparseArray[entity.ID]];
}
public bool Has(Entity entity)
{
return EntityIDToStorageIndex.ContainsKey(entity);
}
public ref T Get<T>(in Entity entity) where T : unmanaged
{
return ref Components.Get<T>(EntityIDToStorageIndex[entity]);
}
public ref T GetFirst<T>() where T : unmanaged
public unsafe ref T GetFirst<T>() where T : unmanaged
{
#if DEBUG
if (Components.Count == 0)
if (DenseArray.Count == 0)
{
throw new IndexOutOfRangeException("Component storage is empty!");
}
#endif
return ref Components.Get<T>(0);
return ref ((T*) ElementArray)[0];
}
// Returns true if the entity had this component.
public bool Set<T>(in Entity entity, in T component) where T : unmanaged
public unsafe bool Set<T>(Entity entity, T component) where T : unmanaged
{
if (EntityIDToStorageIndex.TryGetValue(entity, out var index))
var newEntity = entity.ID >= SparseArray.Count || SparseArray[entity.ID] == Entity.Null.ID;
if (newEntity)
{
Components.Set(index, component);
return true;
}
else
{
EntityIDToStorageIndex[entity] = Components.Count;
EntityIDs.Append(entity);
Components.Append(component);
return false;
}
}
// Returns true if the entity had this component.
public bool Remove(in Entity entity)
{
if (EntityIDToStorageIndex.TryGetValue(entity, out int index))
{
var lastElementIndex = Components.Count - 1;
var lastEntity = EntityIDs[lastElementIndex];
// move a component into the hole to maintain contiguous memory
Components.Delete(index);
EntityIDs.Delete(index);
EntityIDToStorageIndex.Remove(entity);
// update the index if it changed
if (lastElementIndex != index)
// the entity is being added! let's do some record keeping
var index = DenseArray.Count;
DenseArray.Append(entity);
if (entity.ID >= SparseArray.Count)
{
EntityIDToStorageIndex[lastEntity] = index;
var oldCount = SparseArray.Count;
SparseArray.ResizeTo(entity.ID + 1);
for (var i = oldCount; i < SparseArray.Capacity; i += 1)
{
SparseArray.Append(Entity.Null.ID); // sentinel value
}
}
SparseArray[entity.ID] = index;
if (entity.ID >= ElementArrayCapacity)
{
ElementArrayCapacity = entity.ID + 1;
ElementArray = (nint) NativeMemory.Realloc((void*) ElementArray, (nuint) (ElementArrayCapacity * ElementSize));
}
}
Unsafe.Write((void*) (ElementArray + ElementSize * SparseArray[entity.ID]), component);
return !newEntity;
}
public bool Has(Entity entity)
{
return entity.ID < SparseArray.Count && SparseArray[entity.ID] != Entity.Null.ID;
}
public unsafe bool Remove(Entity entity)
{
if (Has(entity))
{
var denseIndex = SparseArray[entity.ID];
var lastItem = DenseArray[DenseArray.Count - 1];
DenseArray[denseIndex] = lastItem;
SparseArray[lastItem.ID] = denseIndex;
SparseArray[entity.ID] = Entity.Null.ID; // sentinel value
if (denseIndex != DenseArray.Count - 1)
{
NativeMemory.Copy((void*) (ElementArray + ElementSize * (DenseArray.Count - 1)), (void*) (ElementArray + ElementSize * denseIndex), (nuint) ElementSize);
}
DenseArray.RemoveLastElement();
return true;
}
@ -91,46 +108,47 @@ internal class ComponentStorage : IDisposable
public void Clear()
{
Components.Clear();
EntityIDs.Clear();
EntityIDToStorageIndex.Clear();
DenseArray.Clear();
for (var i = 0; i < SparseArray.Capacity; i += 1)
{
SparseArray[i] = Entity.Null.ID;
}
}
public Entity FirstEntity()
{
#if DEBUG
if (EntityIDs.Count == 0)
if (DenseArray.Count == 0)
{
throw new IndexOutOfRangeException("Component storage is empty!");
}
#endif
return EntityIDs[0];
return DenseArray[0];
}
#if DEBUG
internal IEnumerable<Entity> Debug_GetEntities()
internal Span<Entity> Debug_GetEntities()
{
return EntityIDToStorageIndex.Keys;
return DenseArray.ToSpan();
}
#endif
protected virtual void Dispose(bool disposing)
protected unsafe virtual void Dispose(bool disposing)
{
if (!IsDisposed)
{
Components.Dispose();
EntityIDs.Dispose();
if (disposing)
{
DenseArray.Dispose();
SparseArray.Dispose();
}
NativeMemory.Free((void*) ElementArray);
IsDisposed = true;
}
}
// ~ComponentStorage()
// {
// // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
// Dispose(disposing: false);
// }
public void Dispose()
{
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method

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@ -11,7 +11,7 @@ public abstract class DebugSystem : System
protected DebugSystem(World world) : base(world) { }
protected World.ComponentTypeEnumerator Debug_GetAllComponentTypes(Entity entity) => World.Debug_GetAllComponentTypes(entity);
protected IEnumerable<Entity> Debug_GetEntities(Type componentType) => World.Debug_GetEntities(componentType);
protected Span<Entity> Debug_GetEntities(Type componentType) => World.Debug_GetEntities(componentType);
protected IEnumerable<Type> Debug_SearchComponentType(string typeString) => World.Debug_SearchComponentType(typeString);
}
#endif

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@ -1,3 +1,6 @@
namespace MoonTools.ECS;
public readonly record struct Entity(uint ID);
public readonly record struct Entity(int ID)
{
public static readonly Entity Null = new Entity(int.MaxValue);
}

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@ -5,12 +5,12 @@ namespace MoonTools.ECS;
internal class IdAssigner : IDisposable
{
uint Next;
NativeArray<uint> AvailableIds = new NativeArray<uint>();
int Next = 0;
NativeArray<int> AvailableIds = new NativeArray<int>();
private bool IsDisposed;
public uint Assign()
public int Assign()
{
if (AvailableIds.TryPop(out var id))
{
@ -22,7 +22,7 @@ internal class IdAssigner : IDisposable
return id;
}
public void Unassign(uint id)
public void Unassign(int id)
{
AvailableIds.Append(id);
}
@ -46,13 +46,6 @@ internal class IdAssigner : IDisposable
}
}
// // TODO: override finalizer only if 'Dispose(bool disposing)' has code to free unmanaged resources
// ~IdAssigner()
// {
// // Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method
// Dispose(disposing: false);
// }
public void Dispose()
{
// Do not change this code. Put cleanup code in 'Dispose(bool disposing)' method

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@ -10,6 +10,7 @@ internal class RelationStorage
{
internal NativeArray Relations;
internal NativeArray RelationDatas;
internal int ElementSize;
internal Dictionary<(Entity, Entity), int> Indices = new Dictionary<(Entity, Entity), int>(16);
internal Dictionary<Entity, IndexableSet<Entity>> OutRelationSets = new Dictionary<Entity, IndexableSet<Entity>>(16);
internal Dictionary<Entity, IndexableSet<Entity>> InRelationSets = new Dictionary<Entity, IndexableSet<Entity>>(16);
@ -19,6 +20,7 @@ internal class RelationStorage
public RelationStorage(int relationDataSize)
{
ElementSize = relationDataSize;
Relations = new NativeArray(Unsafe.SizeOf<(Entity, Entity)>());
RelationDatas = new NativeArray(relationDataSize);
}

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@ -1,6 +1,7 @@
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using MoonTools.ECS.Collections;
namespace MoonTools.ECS;
@ -8,12 +9,12 @@ namespace MoonTools.ECS;
// TODO: we should implement a NativeDictionary that can be memcopied
public class Snapshot : IDisposable
{
private Dictionary<TypeId, ComponentSnapshot> ComponentSnapshots = new Dictionary<TypeId, ComponentSnapshot>();
private List<ComponentSnapshot> ComponentSnapshots = new List<ComponentSnapshot>();
// FIXME: we could just have a filter ID
private Dictionary<FilterSignature, List<Entity>> Filters = new Dictionary<FilterSignature, List<Entity>>();
private Dictionary<TypeId, RelationSnapshot> RelationSnapshots =
new Dictionary<TypeId, RelationSnapshot>();
private List<RelationSnapshot> RelationSnapshots = new List<RelationSnapshot>();
private Dictionary<Entity, IndexableSet<TypeId>> EntityRelationIndex =
new Dictionary<Entity, IndexableSet<TypeId>>();
@ -21,7 +22,7 @@ public class Snapshot : IDisposable
private Dictionary<Entity, IndexableSet<TypeId>> EntityComponentIndex =
new Dictionary<Entity, IndexableSet<TypeId>>();
private Dictionary<Entity, string> EntityTags = new Dictionary<Entity, string>();
private List<string> EntityTags = new List<string>();
private IdAssigner EntityIdAssigner = new IdAssigner();
@ -48,30 +49,29 @@ public class Snapshot : IDisposable
// clear all component storages in case any were created after snapshot
// FIXME: this can be eliminated via component discovery
foreach (var (typeId, componentStorage) in world.ComponentIndex)
foreach (var componentStorage in world.ComponentIndex)
{
componentStorage.Clear();
}
// clear all relation storages in case any were created after snapshot
// FIXME: this can be eliminated via component discovery
foreach (var (typeId, relationStorage) in world.RelationIndex)
foreach (var relationStorage in world.RelationIndex)
{
relationStorage.Clear();
}
// restore components
foreach (var (typeId, componentSnapshot) in ComponentSnapshots)
for (var i = 0; i < world.ComponentIndex.Count; i += 1)
{
var componentStorage = world.ComponentIndex[typeId];
componentSnapshot.Restore(componentStorage);
var componentStorage = world.ComponentIndex[i];
ComponentSnapshots[i].Restore(componentStorage);
}
// restore relation state
foreach (var (typeId, relationSnapshot) in RelationSnapshots)
for (var i = 0; i < RelationSnapshots.Count; i += 1)
{
var relationStorage = world.RelationIndex[typeId];
relationSnapshot.Restore(relationStorage);
var relationStorage = world.RelationIndex[i];
RelationSnapshots[i].Restore(relationStorage);
}
// restore entity relation index state
@ -107,9 +107,10 @@ public class Snapshot : IDisposable
}
// restore entity tags
foreach (var (id, s) in EntityTags)
world.EntityTags.Clear();
foreach (var s in EntityTags)
{
world.EntityTags[id] = s;
world.EntityTags.Add(s);
}
}
@ -125,15 +126,25 @@ public class Snapshot : IDisposable
}
// copy components
foreach (var (typeId, componentStorage) in world.ComponentIndex)
for (var i = ComponentSnapshots.Count; i < world.ComponentIndex.Count; i += 1)
{
TakeComponentSnapshot(typeId, componentStorage);
ComponentSnapshots.Add(new ComponentSnapshot(world.ComponentIndex[i].ElementSize));
}
for (var i = 0; i < world.ComponentIndex.Count; i += 1)
{
ComponentSnapshots[i].Take(world.ComponentIndex[i]);
}
// copy relations
foreach (var (typeId, relationStorage) in world.RelationIndex)
for (var i = RelationSnapshots.Count; i < world.RelationIndex.Count; i += 1)
{
TakeRelationSnapshot(typeId, relationStorage);
RelationSnapshots.Add(new RelationSnapshot(world.RelationIndex[i].ElementSize));
}
for (var i = 0; i < world.RelationIndex.Count; i += 1)
{
RelationSnapshots[i].Take(world.RelationIndex[i]);
}
// copy entity relation index
@ -171,9 +182,10 @@ public class Snapshot : IDisposable
}
// copy entity tags
foreach (var (id, s) in world.EntityTags)
EntityTags.Clear();
foreach (var s in world.EntityTags)
{
EntityTags[id] = s;
EntityTags.Add(s);
}
}
@ -193,70 +205,53 @@ public class Snapshot : IDisposable
}
}
private void TakeComponentSnapshot(TypeId typeId, ComponentStorage componentStorage)
{
if (!ComponentSnapshots.TryGetValue(typeId, out var componentSnapshot))
{
componentSnapshot = new ComponentSnapshot(componentStorage.Components.ElementSize);
ComponentSnapshots.Add(typeId, componentSnapshot);
}
componentSnapshot.Take(componentStorage);
}
private void TakeRelationSnapshot(TypeId typeId, RelationStorage relationStorage)
{
if (!RelationSnapshots.TryGetValue(typeId, out var snapshot))
{
snapshot = new RelationSnapshot(relationStorage.RelationDatas.ElementSize);
RelationSnapshots.Add(typeId, snapshot);
}
snapshot.Take(relationStorage);
}
private class ComponentSnapshot : IDisposable
{
private readonly NativeArray Components;
private readonly NativeArray<Entity> EntityIDs;
private readonly NativeArray<Entity> DenseArray;
private readonly NativeArray<int> SparseArray;
private nint ElementArray;
private int ElementArrayCapacity;
private bool IsDisposed;
public ComponentSnapshot(int elementSize)
public unsafe ComponentSnapshot(int elementSize)
{
Components = new NativeArray(elementSize);
EntityIDs = new NativeArray<Entity>();
ElementArray = (nint) NativeMemory.Alloc((nuint) (16 * elementSize));
DenseArray = new NativeArray<Entity>(elementSize);
SparseArray = new NativeArray<int>(elementSize);
}
public void Take(ComponentStorage componentStorage)
public unsafe void Take(ComponentStorage componentStorage)
{
componentStorage.Components.CopyAllTo(Components);
componentStorage.EntityIDs.CopyTo(EntityIDs);
}
public void Restore(ComponentStorage componentStorage)
{
Components.CopyAllTo(componentStorage.Components);
EntityIDs.CopyTo(componentStorage.EntityIDs);
componentStorage.EntityIDToStorageIndex.Clear();
for (int i = 0; i < EntityIDs.Count; i += 1)
componentStorage.DenseArray.CopyTo(DenseArray);
componentStorage.SparseArray.CopyTo(SparseArray);
if (componentStorage.ElementArrayCapacity > ElementArrayCapacity)
{
var entityID = EntityIDs[i];
componentStorage.EntityIDToStorageIndex[entityID] = i;
ElementArrayCapacity = componentStorage.ElementArrayCapacity;
NativeMemory.Realloc((void*) ElementArray, (nuint) (componentStorage.ElementSize * ElementArrayCapacity));
}
NativeMemory.Copy((void*) componentStorage.ElementArray, (void*) ElementArray, (nuint) (ElementArrayCapacity * componentStorage.ElementSize));
}
protected virtual void Dispose(bool disposing)
public unsafe void Restore(ComponentStorage componentStorage)
{
DenseArray.CopyTo(componentStorage.DenseArray);
SparseArray.CopyTo(componentStorage.SparseArray);
NativeMemory.Copy((void*) ElementArray, (void*) componentStorage.ElementArray, (nuint) (ElementArrayCapacity * componentStorage.ElementSize));
}
protected unsafe virtual void Dispose(bool disposing)
{
if (!IsDisposed)
{
if (disposing)
{
Components.Dispose();
EntityIDs.Dispose();
DenseArray.Dispose();
SparseArray.Dispose();
}
NativeMemory.Free((void*) ElementArray);
IsDisposed = true;
}
}
@ -348,12 +343,12 @@ public class Snapshot : IDisposable
{
if (disposing)
{
foreach (var componentSnapshot in ComponentSnapshots.Values)
foreach (var componentSnapshot in ComponentSnapshots)
{
componentSnapshot.Dispose();
}
foreach (var relationSnapshot in RelationSnapshots.Values)
foreach (var relationSnapshot in RelationSnapshots)
{
relationSnapshot.Dispose();
}

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@ -1,4 +1,5 @@
using System;
using System.Runtime.CompilerServices;
namespace MoonTools.ECS;
@ -8,4 +9,74 @@ public readonly record struct TypeId(uint Value) : IComparable<TypeId>
{
return Value.CompareTo(other.Value);
}
public static implicit operator int(TypeId typeId)
{
return (int) typeId.Value;
}
}
public class ComponentTypeIdAssigner
{
protected static ushort Counter;
}
public class ComponentTypeIdAssigner<T> : ComponentTypeIdAssigner
{
public static readonly ushort Id;
public static readonly int Size;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
static ComponentTypeIdAssigner()
{
Id = Counter++;
Size = Unsafe.SizeOf<T>();
World.ComponentTypeElementSizes.Add(Size);
#if DEBUG
World.ComponentTypeToId[typeof(T)] = new TypeId(Id);
World.ComponentTypeIdToType.Add(typeof(T));
#endif
}
}
public class RelationTypeIdAssigner
{
protected static ushort Counter;
}
public class RelationTypeIdAssigner<T> : RelationTypeIdAssigner
{
public static readonly ushort Id;
public static readonly int Size;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
static RelationTypeIdAssigner()
{
Id = Counter++;
Size = Unsafe.SizeOf<T>();
World.RelationTypeElementSizes.Add(Size);
}
}
public class MessageTypeIdAssigner
{
protected static ushort Counter;
}
public class MessageTypeIdAssigner<T> : MessageTypeIdAssigner
{
public static readonly ushort Id;
public static readonly int Size;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
static MessageTypeIdAssigner()
{
Id = Counter++;
Size = Unsafe.SizeOf<T>();
World.MessageTypeElementSizes.Add(Size);
}
}

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@ -7,85 +7,63 @@ namespace MoonTools.ECS;
public class World : IDisposable
{
// Get TypeId from a Type
private readonly Dictionary<Type, TypeId> TypeToId = new Dictionary<Type, TypeId>();
#if DEBUG
private Dictionary<TypeId, Type> IdToType = new Dictionary<TypeId, Type>();
// TODO: is there a smarter way to do this?
internal static Dictionary<Type, TypeId> ComponentTypeToId = new Dictionary<Type, TypeId>();
internal static List<Type> ComponentTypeIdToType = new List<Type>();
#endif
// Get element size from a TypeId
private readonly Dictionary<TypeId, int> ElementSizes = new Dictionary<TypeId, int>();
internal static List<int> ComponentTypeElementSizes = new List<int>();
internal static List<int> RelationTypeElementSizes = new List<int>();
internal static List<int> MessageTypeElementSizes = new List<int>();
// Filters
internal readonly Dictionary<FilterSignature, Filter> FilterIndex = new Dictionary<FilterSignature, Filter>();
private readonly Dictionary<TypeId, List<Filter>> TypeToFilter = new Dictionary<TypeId, List<Filter>>();
private readonly List<List<Filter>> ComponentTypeToFilter = new List<List<Filter>>();
// TODO: can we make the tag an native array of chars at some point?
internal Dictionary<Entity, string> EntityTags = new Dictionary<Entity, string>();
internal List<string> EntityTags = new List<string>();
// Relation Storages
internal Dictionary<TypeId, RelationStorage> RelationIndex = new Dictionary<TypeId, RelationStorage>();
internal List<RelationStorage> RelationIndex = new List<RelationStorage>();
internal Dictionary<Entity, IndexableSet<TypeId>> EntityRelationIndex = new Dictionary<Entity, IndexableSet<TypeId>>();
// Message Storages
private Dictionary<TypeId, MessageStorage> MessageIndex = new Dictionary<TypeId, MessageStorage>();
private List<MessageStorage> MessageIndex = new List<MessageStorage>();
public FilterBuilder FilterBuilder => new FilterBuilder(this);
internal readonly Dictionary<TypeId, ComponentStorage> ComponentIndex = new Dictionary<TypeId, ComponentStorage>();
internal readonly List<ComponentStorage> ComponentIndex = new List<ComponentStorage>();
internal Dictionary<Entity, IndexableSet<TypeId>> EntityComponentIndex = new Dictionary<Entity, IndexableSet<TypeId>>();
internal IdAssigner EntityIdAssigner = new IdAssigner();
private IdAssigner TypeIdAssigner = new IdAssigner();
private bool IsDisposed;
internal TypeId GetTypeId<T>() where T : unmanaged
{
if (TypeToId.ContainsKey(typeof(T)))
{
return TypeToId[typeof(T)];
}
var typeId = new TypeId(TypeIdAssigner.Assign());
TypeToId.Add(typeof(T), typeId);
ElementSizes.Add(typeId, Unsafe.SizeOf<T>());
#if DEBUG
IdToType.Add(typeId, typeof(T));
#endif
return typeId;
}
internal TypeId GetComponentTypeId<T>() where T : unmanaged
{
var typeId = GetTypeId<T>();
if (ComponentIndex.TryGetValue(typeId, out var componentStorage))
var typeId = new TypeId(ComponentTypeIdAssigner<T>.Id);
if (typeId < ComponentIndex.Count)
{
return typeId;
}
componentStorage = new ComponentStorage(typeId, ElementSizes[typeId]);
ComponentIndex.Add(typeId, componentStorage);
TypeToFilter.Add(typeId, new List<Filter>());
// add missing storages, it's possible for there to be multiples in multi-world scenarios
for (var i = ComponentIndex.Count; i <= typeId; i += 1)
{
var componentStorage = new ComponentStorage(ComponentTypeElementSizes[i]);
ComponentIndex.Add(componentStorage);
ComponentTypeToFilter.Add(new List<Filter>());
}
return typeId;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private ComponentStorage GetComponentStorage<T>() where T : unmanaged
{
var typeId = GetTypeId<T>();
if (ComponentIndex.TryGetValue(typeId, out var componentStorage))
{
return componentStorage;
}
componentStorage = new ComponentStorage(typeId, ElementSizes[typeId]);
ComponentIndex.Add(typeId, componentStorage);
TypeToFilter.Add(typeId, new List<Filter>());
return componentStorage;
var typeId = GetComponentTypeId<T>();
return ComponentIndex[typeId];
}
// FILTERS
@ -98,12 +76,12 @@ public class World : IDisposable
foreach (var typeId in signature.Included)
{
TypeToFilter[typeId].Add(filter);
ComponentTypeToFilter[(int) typeId.Value].Add(filter);
}
foreach (var typeId in signature.Excluded)
{
TypeToFilter[typeId].Add(filter);
ComponentTypeToFilter[(int) typeId.Value].Add(filter);
}
FilterIndex.Add(signature, filter);
@ -122,21 +100,20 @@ public class World : IDisposable
{
EntityRelationIndex.Add(entity, new IndexableSet<TypeId>());
EntityComponentIndex.Add(entity, new IndexableSet<TypeId>());
EntityTags.Add(tag);
}
EntityTags[entity] = tag;
return entity;
}
public void Tag(Entity entity, string tag)
{
EntityTags[entity] = tag;
EntityTags[(int) entity.ID] = tag;
}
public string GetTag(Entity entity)
{
return EntityTags[entity];
return EntityTags[(int) entity.ID];
}
public void Destroy(in Entity entity)
@ -147,7 +124,7 @@ public class World : IDisposable
var componentStorage = ComponentIndex[componentTypeIndex];
componentStorage.Remove(entity);
foreach (var filter in TypeToFilter[componentTypeIndex])
foreach (var filter in ComponentTypeToFilter[componentTypeIndex])
{
filter.RemoveEntity(entity);
}
@ -171,13 +148,12 @@ public class World : IDisposable
public bool Has<T>(in Entity entity) where T : unmanaged
{
var storage = GetComponentStorage<T>();
return storage.Has(entity);
return GetComponentStorage<T>().Has(entity);
}
internal bool Has(in Entity entity, in TypeId typeId)
{
return EntityComponentIndex[entity].Contains(typeId);
return ComponentIndex[(int) typeId.Value].Has(entity);
}
public bool Some<T>() where T : unmanaged
@ -207,12 +183,13 @@ public class World : IDisposable
public void Set<T>(in Entity entity, in T component) where T : unmanaged
{
var componentStorage = GetComponentStorage<T>();
var typeId = new TypeId(ComponentTypeIdAssigner<T>.Id);
if (!componentStorage.Set(entity, component))
{
EntityComponentIndex[entity].Add(componentStorage.TypeId);
EntityComponentIndex[entity].Add(typeId);
foreach (var filter in TypeToFilter[componentStorage.TypeId])
foreach (var filter in ComponentTypeToFilter[typeId])
{
filter.Check(entity);
}
@ -222,12 +199,13 @@ public class World : IDisposable
public void Remove<T>(in Entity entity) where T : unmanaged
{
var componentStorage = GetComponentStorage<T>();
var typeId = new TypeId(ComponentTypeIdAssigner<T>.Id);
if (componentStorage.Remove(entity))
{
EntityComponentIndex[entity].Remove(componentStorage.TypeId);
EntityComponentIndex[entity].Remove(typeId);
foreach (var filter in TypeToFilter[componentStorage.TypeId])
foreach (var filter in ComponentTypeToFilter[typeId])
{
filter.Check(entity);
}
@ -236,31 +214,29 @@ public class World : IDisposable
// RELATIONS
private RelationStorage RegisterRelationType(TypeId typeId)
{
var relationStorage = new RelationStorage(ElementSizes[typeId]);
RelationIndex.Add(typeId, relationStorage);
return relationStorage;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private RelationStorage GetRelationStorage<T>() where T : unmanaged
{
var typeId = GetTypeId<T>();
if (RelationIndex.TryGetValue(typeId, out var relationStorage))
var typeId = new TypeId(RelationTypeIdAssigner<T>.Id);
if (typeId.Value < RelationIndex.Count)
{
return relationStorage;
return RelationIndex[typeId];
}
return RegisterRelationType(typeId);
for (var i = RelationIndex.Count; i <= typeId; i += 1)
{
RelationIndex.Add(new RelationStorage(RelationTypeElementSizes[i]));
}
return RelationIndex[typeId];
}
public void Relate<T>(in Entity entityA, in Entity entityB, in T relation) where T : unmanaged
{
var relationStorage = GetRelationStorage<T>();
relationStorage.Set(entityA, entityB, relation);
EntityRelationIndex[entityA].Add(TypeToId[typeof(T)]);
EntityRelationIndex[entityB].Add(TypeToId[typeof(T)]);
EntityRelationIndex[entityA].Add(new TypeId(RelationTypeIdAssigner<T>.Id));
EntityRelationIndex[entityB].Add(new TypeId(RelationTypeIdAssigner<T>.Id));
}
public void Unrelate<T>(in Entity entityA, in Entity entityB) where T : unmanaged
@ -355,52 +331,52 @@ public class World : IDisposable
// MESSAGES
private TypeId GetMessageTypeId<T>() where T : unmanaged
private MessageStorage GetMessageStorage<T>() where T : unmanaged
{
var typeId = GetTypeId<T>();
var typeId = new TypeId(MessageTypeIdAssigner<T>.Id);
if (!MessageIndex.ContainsKey(typeId))
if (typeId < MessageIndex.Count)
{
MessageIndex.Add(typeId, new MessageStorage(Unsafe.SizeOf<T>()));
return MessageIndex[typeId];
}
return typeId;
for (var i = MessageIndex.Count; i <= typeId; i += 1)
{
MessageIndex.Add(new MessageStorage(MessageTypeElementSizes[i]));
}
return MessageIndex[typeId];
}
public void Send<T>(in T message) where T : unmanaged
{
var typeId = GetMessageTypeId<T>();
MessageIndex[typeId].Add(message);
GetMessageStorage<T>().Add(message);
}
public bool SomeMessage<T>() where T : unmanaged
{
var typeId = GetMessageTypeId<T>();
return MessageIndex[typeId].Some();
return GetMessageStorage<T>().Some();
}
public ReadOnlySpan<T> ReadMessages<T>() where T : unmanaged
{
var typeId = GetMessageTypeId<T>();
return MessageIndex[typeId].All<T>();
return GetMessageStorage<T>().All<T>();
}
public T ReadMessage<T>() where T : unmanaged
{
var typeId = GetMessageTypeId<T>();
return MessageIndex[typeId].First<T>();
return GetMessageStorage<T>().First<T>();
}
public void ClearMessages<T>() where T : unmanaged
{
var typeId = GetMessageTypeId<T>();
MessageIndex[typeId].Clear();
GetMessageStorage<T>().Clear();
}
// TODO: temporary component storage?
public void FinishUpdate()
{
foreach (var (_, messageStorage) in MessageIndex)
foreach (var messageStorage in MessageIndex)
{
messageStorage.Clear();
}
@ -415,15 +391,15 @@ public class World : IDisposable
return new ComponentTypeEnumerator(this, EntityComponentIndex[entity]);
}
public IEnumerable<Entity> Debug_GetEntities(Type componentType)
public Span<Entity> Debug_GetEntities(Type componentType)
{
var storage = ComponentIndex[TypeToId[componentType]];
var storage = ComponentIndex[ComponentTypeToId[componentType]];
return storage.Debug_GetEntities();
}
public IEnumerable<Type> Debug_SearchComponentType(string typeString)
{
foreach (var type in TypeToId.Keys)
foreach (var type in ComponentTypeToId.Keys)
{
if (type.ToString().ToLower().Contains(typeString.ToLower()))
{
@ -456,7 +432,7 @@ public class World : IDisposable
return ComponentIndex < Types.Count;
}
public Type Current => World.IdToType[Types[ComponentIndex]];
public Type Current => ComponentTypeIdToType[Types[ComponentIndex]];
}
#endif
@ -466,17 +442,17 @@ public class World : IDisposable
{
if (disposing)
{
foreach (var componentStorage in ComponentIndex.Values)
foreach (var componentStorage in ComponentIndex)
{
componentStorage.Dispose();
}
foreach (var relationStorage in RelationIndex.Values)
foreach (var relationStorage in RelationIndex)
{
relationStorage.Dispose();
}
foreach (var messageStorage in MessageIndex.Values)
foreach (var messageStorage in MessageIndex)
{
messageStorage.Dispose();
}
@ -497,7 +473,6 @@ public class World : IDisposable
}
EntityIdAssigner.Dispose();
TypeIdAssigner.Dispose();
}
IsDisposed = true;