ShitEngine 1.4.2
基于 C++20 与 SDL3 的轻量级 2D 游戏引擎
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UIRenderSystem.h
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1#pragma once
2#include "../Core/Core.h"
3#include "../Math.h"
4#include "ShitEngine/System/System.h"
5
6#include <vector>
7
8namespace Shit {
9 class UIRendererComponent;
10
21class SHIT_API SHIT_REFLECT(WhiteList) UIRenderSystem final : public System {
22 SHIT_REFLECT_BODY(UIRenderSystem)
23public:
24 UIRenderSystem(int priority = 200);
25 ~UIRenderSystem() override;
26
27 void update() override;
28 void destroy() override;
29
30 // 组件认领：UIRendererComponent
31 bool onComponentAttached(Component* component) override;
32 void onComponentDetached(Component* component) override;
33
34 void registerUIRenderer(UIRendererComponent* renderer);
35 void unregisterUIRenderer(UIRendererComponent* renderer);
36
37 void markSortDirty() { m_isRenderersNeedSort = true; }
38
39 private:
40 std::vector<UIRendererComponent*> m_uiRenderers;
41 bool m_isRenderersNeedSort = false;
42 };
43}
SHIT_API
#define SHIT_API
定义 Core.h:14
SHIT_REFLECT_BODY
#define SHIT_REFLECT_BODY(Type)
定义 Macros.h:89
SHIT_REFLECT
#define SHIT_REFLECT(Mode)
定义 Macros.h:86
Shit::Component
组件基类
定义 Component.h:25
Shit::System::System
System(int priority=0)
Shit::UIRenderSystem::~UIRenderSystem
~UIRenderSystem() override
Shit::UIRenderSystem::UIRenderSystem
UIRenderSystem(int priority=200)
Shit::UIRenderSystem::update
void update() override
每帧更新（纯虚）
Shit::UIRenderSystem::unregisterUIRenderer
void unregisterUIRenderer(UIRendererComponent *renderer)
注销 UI 渲染控件
Shit::UIRenderSystem::onComponentAttached
bool onComponentAttached(Component *component) override
组件挂载时调用。返回 true 表示本系统认领并处理了该组件（组件据此确定已注册）。
Shit::UIRenderSystem::onComponentDetached
void onComponentDetached(Component *component) override
组件卸下时调用。
Shit::UIRenderSystem::registerUIRenderer
void registerUIRenderer(UIRendererComponent *renderer)
注册 UI 渲染控件
Shit::UIRenderSystem::markSortDirty
void markSortDirty()
标记需要重排（zIndex 变更时调用）
定义 UIRenderSystem.h:37
Shit::UIRenderSystem::destroy
void destroy() override
销毁（纯虚）
Shit::UIRendererComponent
UI 渲染控件基类（对应游戏世界的 RendererComponent）
定义 UIRendererComponent.h:18
Shit
定义 AnimationClip.h:12