feat(game): 添加基础游戏引擎和渲染模块

- 新增游戏引擎核心模块，包括初始化和运行逻辑
- 实现基本的渲染功能，支持控制台输出
- 添加物理引擎基础，包括碰撞检测
- 集成日志系统，用于调试和信息输出
- 创建窗口和输入管理模块

game_engine/timer/ge_fps.c

@@ -0,0 +1,53 @@
+// 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_ms_func_t get_ms, ge_fps_sleep_ms_func_t sleep_ms) {
+    fps_ctrl->target_fps = target_fps;
+    fps_ctrl->frame_duration = 1000 / target_fps;
+    fps_ctrl->last_frame_time = get_ms();
+    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_ms = get_ms;
+    fps_ctrl->call_sleep_ms = sleep_ms;
+}
+
+// 帧开始
+void ge_fps_begin_frame(ge_fps_controller_t* fps_ctrl) {
+    fps_ctrl->last_frame_time = fps_ctrl->call_get_ms();
+}
+
+// 帧结束
+void ge_fps_end_frame(ge_fps_controller_t* fps_ctrl) {
+    // 计算当前帧耗时
+    ge_u32_t current_time = fps_ctrl->call_get_ms();
+    fps_ctrl->frame_time = current_time - fps_ctrl->last_frame_time;
+    
+    // 计算需要休眠的时间
+    if (fps_ctrl->frame_time < fps_ctrl->frame_duration) {
+        fps_ctrl->sleep_time = fps_ctrl->frame_duration - fps_ctrl->frame_time;
+        
+        // 高精度休眠
+        fps_ctrl->call_sleep_ms(fps_ctrl->sleep_time);
+        
+        // 更新实际休眠后时间
+        current_time = fps_ctrl->call_get_ms();
+        fps_ctrl->sleep_time = current_time - fps_ctrl->last_frame_time - fps_ctrl->frame_time;
+    } else {
+        fps_ctrl->sleep_time = 0;
+    }
+    
+    // 更新FPS计数
+    fps_ctrl->frame_count++;
+    
+    // 每秒计算一次实际FPS
+    if (current_time - fps_ctrl->last_fps_time >= 1000) {
+        fps_ctrl->fps = fps_ctrl->frame_count;
+        fps_ctrl->frame_count = 0;
+        fps_ctrl->last_fps_time = current_time;
+    }
+}

game_engine/timer/ge_fps.h

@@ -0,0 +1,31 @@
+#ifndef __GE_FPS_H__
+#define __GE_FPS_H__
+
+#include <ge_common.h>
+struct ge_fps_controller;
+typedef struct ge_fps_controller ge_fps_controller_t;
+
+typedef ge_u32_t (*ge_fps_get_ms_func_t)(void);
+typedef void (*ge_fps_sleep_ms_func_t)(ge_u32_t ms);
+
+void ge_fps_init(ge_fps_controller_t* fps_ctrl, ge_u32_t target_fps,
+    ge_fps_get_ms_func_t get_ms, ge_fps_sleep_ms_func_t sleep_ms);
+void ge_fps_begin_frame(ge_fps_controller_t* fps_ctrl);
+void ge_fps_end_frame(ge_fps_controller_t* fps_ctrl);
+
+// FPS控制器结构体
+struct ge_fps_controller {
+    ge_u32_t target_fps;        // 目标帧率
+    ge_u32_t frame_duration;    // 目标每帧时长(毫秒)
+    ge_u32_t last_frame_time;   // 上一帧开始时间
+    ge_u32_t frame_time;        // 当前帧耗时
+    ge_u32_t sleep_time;        // 需要休眠的时间
+    ge_u32_t frame_count;       // 帧计数器
+    ge_u32_t fps;               // 实际帧率
+    ge_u32_t last_fps_time;     // 上次计算FPS的时间
+
+    ge_fps_get_ms_func_t call_get_ms;
+    ge_fps_sleep_ms_func_t call_sleep_ms;
+};
+
+#endif // __GE_FPS_H__

game_engine/timer/ge_timer.h

@@ -0,0 +1,16 @@
+#ifndef __GE_TIMER_H__
+#define __GE_TIMER_H__ 
+
+#include <ge_config.h>
+#include "ge_fps.h"
+
+typedef void (*ge_sleep_ms_func_t)(ge_u32_t);
+typedef ge_u32_t (*ge_get_ms_func_t)(void);
+
+typedef struct {
+    ge_sleep_ms_func_t sleep_ms;
+    ge_get_ms_func_t get_ms;
+    ge_fps_controller_t fps_ctl;
+} ge_timer_t;
+
+#endif // __GE_TIMER_H__