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feat(engine): 重构游戏引擎核心逻辑

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- 重新设计了引擎的初始化和运行流程
- 引入了实体组件系统(ECS)和物理系统
- 优化了渲染系统和输入系统
- 移除了不必要的资源管理系统
- 调整了日志系统的实现
This commit is contained in:
ZZY
2025-06-29 18:46:36 +08:00
parent 5ce660e3a6
commit 89bede93a9
37 changed files with 1294 additions and 350 deletions
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66
game_engine/interface/timer/ge_fps.c Normal file
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// ge_fps.c
#include "ge_fps.h"
// 初始化FPS控制器
void ge_fps_init(ge_fps_controller_t* fps_ctrl, ge_u32_t target_fps,
ge_fps_get_us_func_t get_us, ge_fps_sleep_us_func_t sleep_us) {
fps_ctrl->target_fps = target_fps;
fps_ctrl->frame_duration = 1000 / target_fps;
fps_ctrl->last_frame_time = get_us();
fps_ctrl->frame_time = 0;
fps_ctrl->sleep_time = 0;
fps_ctrl->frame_count = 0;
fps_ctrl->fps = 0;
fps_ctrl->last_fps_time = fps_ctrl->last_frame_time;
fps_ctrl->call_get_us = get_us;
fps_ctrl->call_sleep_us = sleep_us;
}
// 帧开始
void ge_fps_begin_frame(ge_fps_controller_t* fps_ctrl) {
fps_ctrl->last_frame_time = fps_ctrl->call_get_us();
}
// 帧结束
void ge_fps_end_frame(ge_fps_controller_t* fps_ctrl) {
ge_u32_t current_time = fps_ctrl->call_get_us();
fps_ctrl->frame_time = current_time - fps_ctrl->last_frame_time;
// 帧率自适应算法
if (fps_ctrl->frame_time < fps_ctrl->frame_duration) {
ge_u32_t sleep_time = fps_ctrl->frame_duration - fps_ctrl->frame_time;
// 动态调整休眠精度
if (sleep_time > 2000) { // >2ms使用Sleep
fps_ctrl->call_sleep_us(sleep_time - 1000); // 提前1ms唤醒
current_time = fps_ctrl->call_get_us();
// 剩余时间忙等待
while ((current_time - fps_ctrl->last_frame_time) < fps_ctrl->frame_duration) {
current_time = fps_ctrl->call_get_us();
}
} else {
// 短时间直接忙等待
while ((fps_ctrl->call_get_us() - fps_ctrl->last_frame_time) < fps_ctrl->frame_duration);
}
}
// 更新FPS计数（同原逻辑）
fps_ctrl->frame_count++;
if (current_time - fps_ctrl->last_fps_time >= 1000000) {
fps_ctrl->fps = fps_ctrl->frame_count;
fps_ctrl->frame_count = 0;
fps_ctrl->last_fps_time = current_time;
// 动态调整目标帧时间（±5%容差）
// ge_u32_t avg_frame_time = 1000000 / fps_ctrl->fps;
// if (avg_frame_time > fps_ctrl->frame_duration * 1.05f) {
// fps_ctrl->frame_duration = avg_frame_time;
// } else if (avg_frame_time < fps_ctrl->frame_duration * 0.95f) {
// fps_ctrl->frame_duration = GE_MAX(
// fps_ctrl->target_fps * 1000,
// avg_frame_time
// );
// }
}
}