save code

2026-05-16 12:05:04 +08:00
parent a169ceb263
commit d092dfb4a6
23 changed files with 2291 additions and 1343 deletions
@@ -0,0 +1,68 @@
+# 抽卡世界 GUI 教程 —— 总 CMake
+# 用法：cmake -B build -DLESSON=1     ← 切到第 1 课（默认 1）
+#       cmake --build build
+#       ./build/gacha1                 ← Mac/Linux
+#       build\Release\gacha1.exe       ← Windows
+#
+# 想看「老师写好的完整版」：cmake -B build -DLESSON=1 -DUSE_SOLUTION=ON
+
+cmake_minimum_required(VERSION 3.14)
+project(gacha LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+# Windows MSVC：让源码里的中文（UTF-8）正确编译
+if(MSVC)
+    add_compile_options("/utf-8")
+endif()
+
+# ===== 找 FLTK =====
+# 先试 CONFIG（vcpkg / 自己编 FLTK 1.4 时会有 FLTKConfig.cmake）
+# 找不到再回退到 CMake 自带的 FindFLTK 模块（Homebrew 走这条）
+find_package(FLTK CONFIG QUIET)
+if(NOT FLTK_FOUND)
+    find_package(FLTK REQUIRED)
+endif()
+
+# ===== 选课 =====
+set(LESSON 1 CACHE STRING "Which lesson to build: 1, 2, 3, 4, 5, 6")
+option(USE_SOLUTION "Build from solutions/ instead of student starter file" OFF)
+
+set(TARGET_NAME gacha${LESSON})
+
+if(USE_SOLUTION)
+    set(SRC_FILE solutions/lesson_gui_${LESSON}.cpp)
+else()
+    set(SRC_FILE lesson_gui_${LESSON}.cpp)
+endif()
+
+if(NOT EXISTS "${CMAKE_SOURCE_DIR}/${SRC_FILE}")
+    message(FATAL_ERROR "找不到源文件：${SRC_FILE}\n请确认 LESSON=${LESSON} 是否正确，或文件是否存在。")
+endif()
+
+message(STATUS "Building lesson ${LESSON}: ${SRC_FILE}")
+
+add_executable(${TARGET_NAME} ${SRC_FILE})
+
+if(TARGET fltk)
+    # CONFIG 模式：imported target 自带头文件路径
+    target_link_libraries(${TARGET_NAME} PRIVATE fltk)
+else()
+    # 模块模式：手动加头文件路径和库
+    target_include_directories(${TARGET_NAME} PRIVATE ${FLTK_INCLUDE_DIR})
+    target_link_libraries(${TARGET_NAME} PRIVATE ${FLTK_LIBRARIES})
+    # Homebrew 的 FLTK 头文件是 *.H，教程里写 #include <FL/Fl.h> 会触发可移植性警告
+    # 在 AppleClang 下静音这个无害告警
+    if(APPLE)
+        target_compile_options(${TARGET_NAME} PRIVATE
+            $<$<CXX_COMPILER_ID:AppleClang>:-Wno-nonportable-include-path>)
+    endif()
+endif()
+
+# macOS SDK 把 sprintf 标为 deprecated（让用 snprintf）
+# 对 11 岁初学者来说 sprintf 已经够用且写法简单，统一屏蔽这个告警
+if(APPLE)
+    target_compile_options(${TARGET_NAME} PRIVATE
+        $<$<CXX_COMPILER_ID:AppleClang>:-Wno-deprecated-declarations>)
+endif()