Add CMake file

.editorconfig

@@ -19,3 +19,9 @@ indent_size = 4
 [*.{yml,yaml}]
 indent_style = space
 indent_size = 2
+
+[{*.cmake,CMakeLists.txt}]
+indent_style = space
+ij_continuation_indent_size = 4
+ij_cmake_force_commands_case = 1
+

.gitignore

@@ -56,3 +56,7 @@ compile_commands.json
 
 # Jetbrains
 .idea/
+
+# Cmake
+cmake-build*
+CMakeUserPresets.json

CMakeLists.txt

@@ -0,0 +1,79 @@
+# Using the same minimum as the godot-cpp project
+cmake_minimum_required(VERSION 3.17)
+
+# Silence unused variable warning when specified from toolchain
+if(CMAKE_C_COMPILER)
+endif()
+
+set(LIBNAME "EXTENSION-NAME" CACHE STRING "The name of the library")
+set(GODOT_PROJECT_DIR "demo" CACHE STRING "The directory of a Godot project folder")
+
+# Make sure all the dependencies are satisfied
+find_package(Python3 3.4 REQUIRED)
+find_program(GIT git REQUIRED)
+
+# Ensure godot-cpp submodule has been updated
+if(NOT EXISTS "${CMAKE_CURRENT_LIST_DIR}/godot-cpp/src")
+    message(NOTICE "godot-cpp bindings source not found")
+    message(NOTICE "initializing/updating the godot-cpp submodule...")
+
+    # update the c++ bindings submodule to populate it with the necessary source for the library
+    execute_process(
+        COMMAND git submodule update --init godot-cpp
+        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR}
+        COMMAND_ERROR_IS_FATAL ANY
+    )
+endif()
+add_subdirectory(godot-cpp SYSTEM)
+
+# Add godot-cpp's module path and include the exported functions.
+# This is made available for documentation generation
+set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${godot-cpp_SOURCE_DIR}/cmake")
+include(GodotCPPModule)
+
+# The godot-cpp target has some of useful properties attached that can be retrieved like so.
+get_target_property(GODOTCPP_SUFFIX godot::cpp GODOTCPP_SUFFIX)
+get_target_property(GODOTCPP_PLATFORM godot::cpp GODOTCPP_PLATFORM)
+
+# Now we can specify our own project which will inherit any global cmake properties or variables that have been defined.
+project(godot-cpp-template
+    VERSION 1.0
+    DESCRIPTION "This repository serves as a quickstart template for GDExtension development with Godot 4.0+."
+    HOMEPAGE_URL "https://github.com/enetheru/godot-cpp-template/tree/main"
+    LANGUAGES CXX
+)
+
+add_library(${LIBNAME} SHARED)
+
+target_sources(${LIBNAME}
+    PRIVATE
+    src/register_types.cpp
+    src/register_types.h
+)
+
+# Fetch a list of the xml files to use for documentation and add to our target
+file(GLOB_RECURSE DOC_XML LIST_DIRECTORIES NO CONFIGURE_DEPENDS "${PROJECT_SOURCE_DIR}/doc_classes/*.xml")
+
+# conditionally add doc data to compile output
+if(DOC_XML)
+    if(GODOTCPP_TARGET MATCHES "editor|template_debug")
+        target_doc_sources(${LIBNAME} ${DOC_XML})
+    endif()
+endif()
+
+target_link_libraries(${LIBNAME} PRIVATE godot-cpp)
+
+set_target_properties(${LIBNAME}
+    PROPERTIES
+    # The generator expression here prevents msvc from adding a Debug or Release subdir.
+    RUNTIME_OUTPUT_DIRECTORY "$<1:${PROJECT_SOURCE_DIR}/bin/${GODOTCPP_PLATFORM}>"
+
+    PREFIX ""
+    OUTPUT_NAME "${LIBNAME}${GODOTCPP_SUFFIX}"
+)
+
+set(GODOT_PROJECT_BINARY_DIR "${PROJECT_SOURCE_DIR}/${GODOT_PROJECT_DIR}/bin/${GODOTCPP_PLATFORM}")
+
+add_custom_command(TARGET ${LIBNAME} POST_BUILD
+    COMMAND ${CMAKE_COMMAND} -E copy "$<TARGET_FILE:${LIBNAME}>" "${GODOT_PROJECT_BINARY_DIR}/$<TARGET_FILE_NAME:${LIBNAME}>"
+)