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改成 SparseSet+SwapRemove 的致密存储

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This commit is contained in:
YHH
2025-09-02 22:29:11 +08:00
parent 94541d0abb
commit 6e511ae949
5 changed files with 446 additions and 162 deletions
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65
packages/core/tests/ECS/Core/ComponentStorage.test.ts
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@@ -301,7 +301,7 @@ describe('ComponentStorage - 组件存储器测试', () => {
});
describe('内存管理和优化', () => {
test('应该能够重用空闲索引', () => {
test('应该维持紧凑存储', () => {
const component1 = new TestComponent(100);
const component2 = new TestComponent(200);
const component3 = new TestComponent(300);
@@ -311,68 +311,37 @@ describe('ComponentStorage - 组件存储器测试', () => {
storage.addComponent(2, component2);
storage.addComponent(3, component3);
// 移除中间的组件
// 移除中间的组件，稀疏集合会自动保持紧凑
storage.removeComponent(2);
// 添加新组件应该重用空闲索引
// 添加新组件
const component4 = new TestComponent(400);
storage.addComponent(4, component4);
expect(storage.size).toBe(3);
expect(storage.getComponent(4)).toBe(component4);
});
test('应该能够压缩存储', () => {
// 添加多个组件
storage.addComponent(1, new TestComponent(100));
storage.addComponent(2, new TestComponent(200));
storage.addComponent(3, new TestComponent(300));
storage.addComponent(4, new TestComponent(400));
// 移除部分组件创建空洞
storage.removeComponent(2);
storage.removeComponent(3);
let stats = storage.getStats();
expect(stats.freeSlots).toBe(2);
expect(stats.fragmentation).toBeGreaterThan(0);
// 压缩存储
storage.compact();
stats = storage.getStats();
// 验证存储保持紧凑
const stats = storage.getStats();
expect(stats.freeSlots).toBe(0);
expect(stats.fragmentation).toBe(0);
expect(storage.size).toBe(2);
expect(storage.hasComponent(1)).toBe(true);
expect(storage.hasComponent(4)).toBe(true);
});
test('没有空洞时压缩应该不做任何操作', () => {
storage.addComponent(1, new TestComponent(100));
storage.addComponent(2, new TestComponent(200));
const statsBefore = storage.getStats();
storage.compact();
const statsAfter = storage.getStats();
expect(statsBefore).toEqual(statsAfter);
});
test('应该能够获取存储统计信息', () => {
storage.addComponent(1, new TestComponent(100));
storage.addComponent(2, new TestComponent(200));
storage.addComponent(3, new TestComponent(300));
// 移除一个组件创建空洞
// 移除一个组件，稀疏集合会自动紧凑
storage.removeComponent(2);
const stats = storage.getStats();
expect(stats.totalSlots).toBe(3);
expect(stats.totalSlots).toBe(2); // 稀疏集合自动紧凑
expect(stats.usedSlots).toBe(2);
expect(stats.freeSlots).toBe(1);
expect(stats.fragmentation).toBeCloseTo(1/3);
expect(stats.freeSlots).toBe(0); // 无空洞
expect(stats.fragmentation).toBe(0); // 无碎片
});
});
@@ -541,22 +510,6 @@ describe('ComponentStorageManager - 组件存储管理器测试', () => {
});
describe('管理器级别操作', () => {
test('应该能够压缩所有存储器', () => {
manager.addComponent(1, new TestComponent(100));
manager.addComponent(2, new TestComponent(200));
manager.addComponent(3, new TestComponent(300));
manager.addComponent(1, new PositionComponent(10, 20));
manager.addComponent(2, new PositionComponent(30, 40));
// 移除部分组件创建空洞
manager.removeComponent(2, TestComponent);
manager.removeComponent(1, PositionComponent);
expect(() => {
manager.compactAll();
}).not.toThrow();
});
test('应该能够获取所有存储器的统计信息', () => {
manager.addComponent(1, new TestComponent(100));