init the projetc

CMakeLists.txt

@@ -0,0 +1,30 @@
+cmake_minimum_required(VERSION 3.16)
+project(SporeBG-Conid)
+
+# 设置C++标准
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# 设置输出目录
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/$<CONFIGURATION>")
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/$<CONFIGURATION>")
+
+# 包含SDL3子项目
+add_subdirectory(third_party/SDL3)
+
+# 添加可执行文件
+add_executable(SporeBG-Conid src/main.cpp)
+
+# 使用正确的目标名称链接SDL3
+# 方法1：使用别名（推荐）
+target_link_libraries(SporeBG-Conid PRIVATE SDL3::SDL3)
+
+# Windows下复制动态库 - 使用正确的目标名称
+if(WIN32)
+    add_custom_command(TARGET SporeBG-Conid POST_BUILD
+        COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            $<TARGET_FILE:SDL3::SDL3>  
+            $<TARGET_FILE_DIR:SporeBG-Conid>
+        COMMENT "Copying SDL3 DLL to output directory"
+    )
+endif()