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Add managed entity and script component.

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Added ManagedEntity and related methods in EntityManager;
Added ScriptComponent to write game play logic in oop;
This commit is contained in:
Misaki
2025-12-10 16:12:56 +09:00
parent 99c1a1980e
commit 21e85e0c02
17 changed files with 549 additions and 152 deletions
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24
Ghost.Entities/EntityManager.cs
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@@ -18,7 +18,7 @@ public unsafe partial class EntityManager : IDisposable
{
private struct EntityLocation
{
public Identifier<Archetype> archetypeID;
public int archetypeID;
public int chunkIndex;
public int rowIndex;
}
@@ -209,6 +209,13 @@ public unsafe partial class EntityManager : IDisposable
}
ref var archetype = ref _world.GetArchetypeReference(location.archetypeID);
var pManagedRef = archetype.GetComponentData(location.chunkIndex, location.rowIndex, ComponentTypeID<ManagedEntityRef>.value);
if (pManagedRef != null)
{
DestroyManagedEntity(((ManagedEntityRef*)pManagedRef)->entity);
}
var r = archetype.RemoveEntity(location.chunkIndex, location.rowIndex);
if (r != ErrorStatus.None)
{
@@ -336,9 +343,10 @@ public unsafe partial class EntityManager : IDisposable
var src = oldArch._chunks[oldChunk].GetUnsafePtr() + layout.offset + (layout.size * oldRow);
var r = newArch.GetLayout(layout.componentID);
Debug.Assert(r.Error == ErrorStatus.None); // This should always be true if the system is consistent.
if (r.Error != ErrorStatus.None)
{
// New archetype does not have this component, skip it.
// This can happen when removing components.
continue;
}
@@ -514,6 +522,9 @@ public unsafe partial class EntityManager : IDisposable
// Move entity data
ref var newArchetype = ref _world.GetArchetypeReference(newArcID);
newArchetype.AllocateEntity(out var newChunkIndex, out var newRowIndex);
CopyData(ref oldArchetype, location.chunkIndex, location.rowIndex,
ref newArchetype, newChunkIndex, newRowIndex);
newArchetype.SetEntity(newChunkIndex, newRowIndex, entity);
var r = oldArchetype.RemoveEntity(location.chunkIndex, location.rowIndex);
@@ -523,6 +534,12 @@ public unsafe partial class EntityManager : IDisposable
return r;
}
var pManagedRef = oldArchetype.GetComponentData(location.chunkIndex, location.rowIndex, ComponentTypeID<ManagedEntityRef>.value);
if (pManagedRef != null)
{
DestroyManagedEntity(((ManagedEntityRef*)pManagedRef)->entity);
}
// Update location
location.archetypeID = newArcID;
location.chunkIndex = newChunkIndex;
@@ -697,6 +714,9 @@ public unsafe partial class EntityManager : IDisposable
return;
}
Debug.Assert(_entityLocations.Count == 0, "There are still entities alive when disposing EntityManager.");
Debug.Assert(_scriptComponents.Count == 0, "There are still managed entities alive when disposing EntityManager.");
_entityLocations.Dispose();
_disposed = true;