copygirl
/
gaemstone.ECS-dotnet
1
0
Fork 0
Code Issues Pull Requests Releases Activity

Remove EntityBase

Browse Source
wip/no-type-lookup
copygirl 3 years ago
parent 60919ef1f6
commit 1d1ba4fe4d
3 changed files with 56 additions and 81 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 37
      src/gaemstone.ECS/EntityBase.cs
  2. 36
      src/gaemstone.ECS/EntityBuilder.cs
  3. 64
      src/gaemstone.ECS/EntityRef.cs

37
src/gaemstone.ECS/EntityBase.cs
Unescape View File

@ -1,37 +0,0 @@
namespace gaemstone.ECS;
// TODO: Turn this into an interface?
public abstract class EntityBase<TReturn>
{
public abstract World World { get; }
public abstract TReturn Add(Id id);
public abstract TReturn Remove(Id id);
public abstract bool Has(Id id);
public TReturn Add(string symbol) => Add(World.LookupBySymbolOrThrow(symbol));
public TReturn Add(Entity relation, Entity target) => Add(Id.Pair(relation, target));
public TReturn Remove(string symbol) => Remove(World.LookupBySymbolOrThrow(symbol));
public TReturn Remove(Entity relation, Entity target) => Remove(Id.Pair(relation, target));
public bool Has(string symbol) => Has(World.LookupBySymbolOrThrow(symbol));
public bool Has(Entity relation, Entity target) => Has(Id.Pair(relation, target));
public abstract T? GetOrNull<T>(Id id) where T : unmanaged;
public abstract T? GetOrNull<T>(Id id, T _ = null!) where T : class;
public abstract T GetOrThrow<T>(Id id);
public abstract ref T GetMut<T>(Id id) where T : unmanaged;
public abstract ref T GetRefOrNull<T>(Id id) where T : unmanaged;
public abstract ref T GetRefOrThrow<T>(Id id) where T : unmanaged;
public abstract void Modified<T>(Id id);
public abstract TReturn Set<T>(Id id, in T value) where T : unmanaged;
public abstract TReturn Set<T>(Id id, T obj) where T : class;
public TReturn ChildOf(Entity parent) => Add(World.ChildOf, parent);
public TReturn Disable() => Add(World.Disabled);
public TReturn Enable() => Remove(World.Disabled);
public bool IsDisabled => Has(World.Disabled);
}

36
src/gaemstone.ECS/EntityBuilder.cs
Unescape View File

@ -6,9 +6,8 @@ using static flecs_hub.flecs;
namespace gaemstone.ECS;
public class EntityBuilder
: EntityBase<EntityBuilder>
{
public override World World { get; }
public World World { get; }
/// <summary> Set to modify existing entity (optional). </summary>
public Entity Id { get; set; }
@ -56,40 +55,29 @@ public class EntityBuilder
// If given path is absolute, the new entity won't be created as a
// child of the specified parent. Alternatively, EntityRef.NewChild
// can be used, which will throw when an absolute path is given.
if ((path?.IsRelative != false) && parent.IsSome) ChildOf(parent);
if ((path?.IsRelative != false) && parent.IsSome) Add(World.ChildOf, parent);
}
public override EntityBuilder Add(Id id)
public EntityBuilder Add(Id id)
{
// If adding a ChildOf relation, store the parent separately.
if (new IdRef(World, id).AsPair() is (EntityRef relation, EntityRef target) &&
(relation == World.ChildOf)) { _parent = target; return this; }
if (id.RelationUnsafe == World.ChildOf)
{ _parent = id.TargetUnsafe; return this; }
if (_toAdd.Count == 31) throw new NotSupportedException(
"Must not add more than 31 Ids at once with EntityBuilder");
_toAdd.Add(id);
return this;
}
public override EntityBuilder Remove(Id id)
=> throw new NotSupportedException();
public override bool Has(Id id)
=> !id.IsWildcard ? _toAdd.Contains(id)
: throw new NotSupportedException(); // TODO: Support wildcard.
public override T? GetOrNull<T>(Id id) => throw new NotSupportedException();
public override T? GetOrNull<T>(Id id, T _ = null!) where T : class => throw new NotSupportedException();
public override T GetOrThrow<T>(Id id) => throw new NotSupportedException();
public override ref T GetMut<T>(Id id) => throw new NotSupportedException();
public override ref T GetRefOrNull<T>(Id id) => throw new NotSupportedException();
public override ref T GetRefOrThrow<T>(Id id) => throw new NotSupportedException();
public override void Modified<T>(Id id) => throw new NotImplementedException();
public override EntityBuilder Set<T>(Id id, in T value)
public EntityBuilder Add(string symbol)
=> Add(World.LookupBySymbolOrThrow(symbol));
public EntityBuilder Add(Entity relation, Entity target)
=> Add(ECS.Id.Pair(relation, target));
public EntityBuilder Set<T>(Id id, in T value) where T : unmanaged
// "in" can't be used with lambdas, so we make a local copy.
{ var copy = value; _toSet.Add(e => e.Set(id, copy)); return this; }
public override EntityBuilder Set<T>(Id id, T obj)
public EntityBuilder Set<T>(Id id, T obj) where T : class
{ _toSet.Add(e => e.Set(id, obj)); return this; }
public unsafe EntityRef Build()

64
src/gaemstone.ECS/EntityRef.cs
Unescape View File

@ -8,10 +8,9 @@ using static flecs_hub.flecs;
namespace gaemstone.ECS;
public unsafe class EntityRef
: EntityBase<EntityRef>
, IEquatable<EntityRef>
: IEquatable<EntityRef>
{
public override World World { get; }
public World World { get; }
public Entity Entity { get; }
public uint Id => Entity.Id;
@ -74,25 +73,43 @@ public unsafe class EntityRef
yield return iter.Entity(i);
}
public EntityRef ChildOf(Entity parent)
=> Add(World.ChildOf, parent);
public override EntityRef Add(Id id) { ecs_add_id(World, this, id); return this; }
public override EntityRef Remove(Id id) { ecs_remove_id(World, this, id); return this; }
public override bool Has(Id id) => ecs_has_id(World, this, id);
public override T? GetOrNull<T>(Id id)
public bool IsDisabled => Has(World.Disabled);
public EntityRef Disable() => Add(World.Disabled);
public EntityRef Enable() => Remove(World.Disabled);
public EntityRef Add(Id id) { ecs_add_id(World, this, id); return this; }
public EntityRef Add(string symbol) => Add(World.LookupBySymbolOrThrow(symbol));
public EntityRef Add(Entity relation, Entity target) => Add(ECS.Id.Pair(relation, target));
public EntityRef Remove(Id id) { ecs_remove_id(World, this, id); return this; }
public EntityRef Remove(string symbol) => Remove(World.LookupBySymbolOrThrow(symbol));
public EntityRef Remove(Entity relation, Entity target) => Remove(ECS.Id.Pair(relation, target));
public bool Has(Id id) => ecs_has_id(World, this, id);
public bool Has(string symbol) => Has(World.LookupBySymbolOrThrow(symbol));
public bool Has(Entity relation, Entity target) => Has(ECS.Id.Pair(relation, target));
public T? GetOrNull<T>(Id id)
where T : unmanaged
{
var ptr = ecs_get_id(World, this, id);
return (ptr != null) ? Unsafe.Read<T>(ptr) : null;
}
public override T? GetOrNull<T>(Id id, T _ = null!)
public T? GetOrNull<T>(Id id, T _ = null!)
where T : class
{
var ptr = ecs_get_id(World, this, id);
return (T?)Unsafe.Read<ReferenceHandle>(ptr).Target;
}
public override T GetOrThrow<T>(Id id)
public T GetOrThrow<T>(Id id)
{
var ptr = ecs_get_id(World, this, id);
if (ptr == null) throw new Exception($"Component {typeof(T)} not found on {this}");
@ -100,7 +117,16 @@ public unsafe class EntityRef
else return (T)Unsafe.Read<ReferenceHandle>(ptr).Target!;
}
public override ref T GetRefOrNull<T>(Id id)
public ref T GetMut<T>(Id id)
where T : unmanaged
{
var ptr = ecs_get_mut_id(World, this, id);
// NOTE: Value is added if it doesn't exist on the entity.
return ref Unsafe.AsRef<T>(ptr);
}
public ref T GetRefOrNull<T>(Id id)
where T : unmanaged
{
var @ref = ecs_ref_init_id(World, this, id);
var ptr = ecs_ref_get_id(World, &@ref, id);
@ -108,7 +134,8 @@ public unsafe class EntityRef
: ref Unsafe.NullRef<T>();
}
public override ref T GetRefOrThrow<T>(Id id)
public ref T GetRefOrThrow<T>(Id id)
where T : unmanaged
{
ref var ptr = ref GetRefOrNull<T>(id);
if (Unsafe.IsNullRef(ref ptr)) throw new Exception(
@ -116,17 +143,12 @@ public unsafe class EntityRef
return ref ptr;
}
public override ref T GetMut<T>(Id id)
{
var ptr = ecs_get_mut_id(World, this, id);
// NOTE: Value is added if it doesn't exist on the entity.
return ref Unsafe.AsRef<T>(ptr);
}
public override void Modified<T>(Id id)
public void Modified<T>(Id id)
=> ecs_modified_id(World, this, id);
public override EntityRef Set<T>(Id id, in T value)
public EntityRef Set<T>(Id id, in T value)
where T : unmanaged
{
var size = (ulong)Unsafe.SizeOf<T>();
fixed (T* ptr = &value)
@ -135,7 +157,8 @@ public unsafe class EntityRef
return this;
}
public override EntityRef Set<T>(Id id, T obj) where T : class
public EntityRef Set<T>(Id id, T obj)
where T : class
{
if (obj == null) throw new ArgumentNullException(nameof(obj));
var size = (ulong)sizeof(ReferenceHandle);
@ -146,6 +169,7 @@ public unsafe class EntityRef
return this;
}
private EntityRef? GetTarget(Entity relation, int index)
=> CreateOrNull(World, new(ecs_get_target(World, this, relation, index)));
public IEnumerable<EntityRef> GetTargets(Entity relation)

Write Preview
Loading…
Cancel
Save