- SIMD优化的SoA布局，提供最佳的数据并行处理性能，使用密集存储和TypedArray来最大化缓存效率和SIMD指令利用率

Author: esengine

src/ECS/Core/ArchetypeSystem.ts

@@ -187,7 +187,7 @@ export class ArchetypeSystem {
      * 获取实体的组件类型列表
      */
     private getEntityComponentTypes(entity: Entity): ComponentType[] {
-        return entity.components.map(component => component.constructor as ComponentType);
+        return Array.from(entity.componentTypes);
     }
 
     /**

src/ECS/Core/ComponentIndex.ts

@@ -68,12 +68,9 @@ export class HashComponentIndex implements IComponentIndex {
     private _lastUpdated = Date.now();
 
     public addEntity(entity: Entity): void {
-        const components = entity.components;
-        const componentTypes = new Set<ComponentType>();
-        
-        for (const component of components) {
-            const componentType = component.constructor as ComponentType;
-            componentTypes.add(componentType);
+        const componentTypes = entity.componentTypes;
+
+        for (const componentType of componentTypes) {
 
             let entities = this._componentToEntities.get(componentType);
             if (!entities) {
@@ -83,7 +80,7 @@ export class HashComponentIndex implements IComponentIndex {
             entities.add(entity);
         }
 
-        this._entityToComponents.set(entity, componentTypes);
+        this._entityToComponents.set(entity, new Set(componentTypes));
         this._lastUpdated = Date.now();
     }
 
@@ -229,9 +226,8 @@ export class BitmapComponentIndex implements IComponentIndex {
 
     public addEntity(entity: Entity): void {
         let bitmap = 0;
-        
-        for (const component of entity.components) {
-            const componentType = component.constructor as ComponentType;
+
+        for (const componentType of entity.componentTypes) {
             let bit = this._componentTypeToBit.get(componentType);
 
             if (bit === undefined) {