feat: 集成Rust WASM渲染引擎与TypeScript ECS框架 (#228)
* feat: 集成Rust WASM渲染引擎与TypeScript ECS框架 * feat: 增强编辑器UI功能与跨平台支持 * fix: 修复CI测试和类型检查问题 * fix: 修复CI问题并提高测试覆盖率 * fix: 修复CI问题并提高测试覆盖率
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187
packages/engine/src/core/engine.rs
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187
packages/engine/src/core/engine.rs
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//! Main engine implementation.
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//! 主引擎实现。
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use wasm_bindgen::prelude::*;
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use super::context::WebGLContext;
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use super::error::Result;
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use crate::input::InputManager;
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use crate::renderer::Renderer2D;
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use crate::resource::TextureManager;
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/// Engine configuration options.
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/// 引擎配置选项。
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#[derive(Debug, Clone)]
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pub struct EngineConfig {
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/// Maximum sprites per batch.
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/// 每批次最大精灵数。
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pub max_sprites: usize,
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/// Enable debug mode.
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/// 启用调试模式。
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pub debug: bool,
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}
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impl Default for EngineConfig {
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fn default() -> Self {
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Self {
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max_sprites: 10000,
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debug: false,
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}
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}
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}
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/// Main game engine.
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/// 主游戏引擎。
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///
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/// Coordinates all engine subsystems including rendering, input, and resources.
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/// 协调所有引擎子系统,包括渲染、输入和资源。
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pub struct Engine {
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/// WebGL context.
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/// WebGL上下文。
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context: WebGLContext,
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/// 2D renderer.
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/// 2D渲染器。
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renderer: Renderer2D,
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/// Texture manager.
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/// 纹理管理器。
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texture_manager: TextureManager,
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/// Input manager.
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/// 输入管理器。
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input_manager: InputManager,
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/// Engine configuration.
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/// 引擎配置。
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#[allow(dead_code)]
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config: EngineConfig,
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}
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impl Engine {
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/// Create a new engine instance.
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/// 创建新的引擎实例。
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///
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/// # Arguments | 参数
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/// * `canvas_id` - The HTML canvas element ID | HTML canvas元素ID
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/// * `config` - Engine configuration | 引擎配置
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///
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/// # Returns | 返回
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/// A new Engine instance or an error | 新的Engine实例或错误
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pub fn new(canvas_id: &str, config: EngineConfig) -> Result<Self> {
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let context = WebGLContext::new(canvas_id)?;
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// Initialize WebGL state | 初始化WebGL状态
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context.set_viewport();
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context.enable_blend();
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// Create subsystems | 创建子系统
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let renderer = Renderer2D::new(context.gl(), config.max_sprites)?;
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let texture_manager = TextureManager::new(context.gl().clone());
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let input_manager = InputManager::new();
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log::info!("Engine created successfully | 引擎创建成功");
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Ok(Self {
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context,
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renderer,
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texture_manager,
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input_manager,
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config,
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})
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}
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/// Create a new engine instance from external WebGL context.
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/// 从外部 WebGL 上下文创建引擎实例。
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///
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/// This is designed for environments like WeChat MiniGame.
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/// 适用于微信小游戏等环境。
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pub fn from_external(
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gl_context: JsValue,
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width: u32,
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height: u32,
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config: EngineConfig,
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) -> Result<Self> {
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let context = WebGLContext::from_external(gl_context, width, height)?;
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context.set_viewport();
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context.enable_blend();
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let renderer = Renderer2D::new(context.gl(), config.max_sprites)?;
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let texture_manager = TextureManager::new(context.gl().clone());
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let input_manager = InputManager::new();
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log::info!("Engine created from external context | 从外部上下文创建引擎");
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Ok(Self {
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context,
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renderer,
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texture_manager,
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input_manager,
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config,
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})
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}
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/// Clear the screen with specified color.
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/// 使用指定颜色清除屏幕。
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pub fn clear(&self, r: f32, g: f32, b: f32, a: f32) {
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self.context.clear(r, g, b, a);
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}
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/// Get canvas width.
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/// 获取画布宽度。
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#[inline]
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pub fn width(&self) -> u32 {
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self.context.width()
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}
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/// Get canvas height.
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/// 获取画布高度。
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#[inline]
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pub fn height(&self) -> u32 {
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self.context.height()
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}
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/// Submit sprite batch data for rendering.
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/// 提交精灵批次数据进行渲染。
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pub fn submit_sprite_batch(
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&mut self,
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transforms: &[f32],
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texture_ids: &[u32],
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uvs: &[f32],
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colors: &[u32],
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) -> Result<()> {
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self.renderer.submit_batch(
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transforms,
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texture_ids,
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uvs,
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colors,
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&self.texture_manager,
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)
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}
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/// Render the current frame.
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/// 渲染当前帧。
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pub fn render(&mut self) -> Result<()> {
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self.renderer.render(self.context.gl())
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}
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/// Load a texture from URL.
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/// 从URL加载纹理。
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pub fn load_texture(&mut self, id: u32, url: &str) -> Result<()> {
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self.texture_manager.load_texture(id, url)
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}
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/// Check if a key is currently pressed.
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/// 检查某个键是否当前被按下。
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pub fn is_key_down(&self, key_code: &str) -> bool {
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self.input_manager.is_key_down(key_code)
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}
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/// Update input state.
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/// 更新输入状态。
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pub fn update_input(&mut self) {
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self.input_manager.update();
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}
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}
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