乒乓球游戏：C++ GDExtension 实现

CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.24)
-project(marry)
+project(pingpang)
 
 # 标准 C++17
 set(CMAKE_CXX_STANDARD 17)
@@ -11,31 +11,34 @@ set(GODOT_CPP_PATH "${CMAKE_CURRENT_SOURCE_DIR}/godot-cpp")
 add_subdirectory("${GODOT_CPP_PATH}")
 
 # 扩展库本体
-add_library(marry SHARED
+add_library(pingpang SHARED
     src/register_types.cpp
-    src/example.cpp
-    src/example.h
     src/register_types.h
+    src/pingpong_ball.cpp
+    src/pingpong_ball.h
+    src/pingpong_paddle.cpp
+    src/pingpong_paddle.h
+    src/pingpong_game.cpp
+    src/pingpong_game.h
 )
 
-target_include_directories(marry PRIVATE src)
+target_include_directories(pingpang PRIVATE src)
 
 # 链接 godot-cpp
-target_link_libraries(marry PRIVATE godot-cpp)
+target_link_libraries(pingpang PRIVATE godot-cpp)
 
-# 输出到 bin/ 目录（Godot 从那里加载；VS 里编译后 dll 直接落到 res://bin/）
-set_target_properties(marry PROPERTIES
-    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin"
-    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin"
-    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin"
+# 输出到 main/bin/ 目录（Godot 项目从这里加载 GDExtension）
+set_target_properties(pingpang PROPERTIES
+    LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/main/bin"
+    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/main/bin"
+    ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/main/bin"
     PREFIX ""
 )
 
-# VS 多配置生成器会输出到 bin/Release/ 等子目录，这里复制到 bin/ 根目录
-# 保证 .gdextension 里 res://bin/marry.dll 始终能找到
-add_custom_command(TARGET marry POST_BUILD
+# VS 多配置生成器会输出到子目录，这里复制到 main/bin/ 根目录
+add_custom_command(TARGET pingpang POST_BUILD
     COMMAND ${CMAKE_COMMAND} -E copy_if_different
-        "$<TARGET_FILE:marry>"
-        "${CMAKE_CURRENT_SOURCE_DIR}/bin/marry.dll"
-    COMMENT "复制 marry.dll 到 bin/ 根目录"
+        "$<TARGET_FILE:pingpang>"
+        "${CMAKE_CURRENT_SOURCE_DIR}/main/bin/$<TARGET_FILE_NAME:pingpang>"
+    COMMENT "复制 pingpang.dll 到 main/bin/ 根目录"
 )