From 9ca6adee4f6f01d83fd1f5ece5c4b84396079ccc Mon Sep 17 00:00:00 2001
From: Green Sky <green@g-s.xyz>
Date: Sun, 4 Feb 2024 13:03:28 +0100
Subject: [PATCH] reorg + selfmanage externals

---
 CMakeLists.txt                                | 74 ++++++++++++++++---
 external/CMakeLists.txt                       | 13 ++++
 src/CMakeLists.txt                            | 12 +++
 .../solanaceae}/contact/components.hpp        |  0
 .../solanaceae}/contact/components_id.inl     |  0
 .../solanaceae}/contact/contact_model3.hpp    |  0
 6 files changed, 87 insertions(+), 12 deletions(-)
 create mode 100644 external/CMakeLists.txt
 create mode 100644 src/CMakeLists.txt
 rename {solanaceae => src/solanaceae}/contact/components.hpp (100%)
 rename {solanaceae => src/solanaceae}/contact/components_id.inl (100%)
 rename {solanaceae => src/solanaceae}/contact/contact_model3.hpp (100%)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 45836b2..c0d55af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,16 +1,66 @@
-cmake_minimum_required(VERSION 3.9 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
 
-project(solanaceae)
+# cmake setup begin
+project(solanaceae_contact)
 
-add_library(solanaceae_contact INTERFACE
-	#./solanaceae/contact/components.hpp
-	#./solanaceae/contact/components_id.inl
-	#./solanaceae/contact/contact_model3.hpp
-)
+if (CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+	set(SOLANACEAE_CONTACT_STANDALONE ON)
+else()
+	set(SOLANACEAE_CONTACT_STANDALONE OFF)
+endif()
+message("II SOLANACEAE_CONTACT_STANDALONE " ${SOLANACEAE_CONTACT_STANDALONE})
 
-target_include_directories(solanaceae_contact INTERFACE .)
-target_compile_features(solanaceae_contact INTERFACE cxx_std_17)
-target_link_libraries(solanaceae_contact INTERFACE
-	EnTT::EnTT
-)
+if (SOLANACEAE_CONTACT_STANDALONE)
+	set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+
+	# defaulting to debug mode, if not specified
+	if(NOT CMAKE_BUILD_TYPE)
+		set(CMAKE_BUILD_TYPE "Debug")
+	endif()
+
+	# setup my vim ycm :D
+	set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+	# more paths
+	set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
+	set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+	set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
+endif()
+
+# external libs
+add_subdirectory(./external EXCLUDE_FROM_ALL) # before increasing warn levels, sad :(
+
+if (SOLANACEAE_CONTACT_STANDALONE)
+	set(CMAKE_CXX_EXTENSIONS OFF)
+
+	# bump up warning levels appropriately for clang, gcc & msvc
+	if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU" OR ${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
+		add_compile_options(
+			-Wall -Wextra # Reasonable and standard
+			-Wpedantic # Warn if non-standard C++ is used
+			-Wunused # Warn on anything being unused
+			#-Wconversion # Warn on type conversions that may lose data
+			#-Wsign-conversion # Warn on sign conversions
+			-Wshadow # Warn if a variable declaration shadows one from a parent context
+		)
+
+		if (NOT WIN32)
+			#link_libraries(-fsanitize=address)
+			#link_libraries(-fsanitize=address,undefined)
+			#link_libraries(-fsanitize-address-use-after-scope)
+			#link_libraries(-fsanitize=undefined)
+		endif()
+	elseif (${CMAKE_CXX_COMPILER_ID} STREQUAL "MSVC")
+		if (CMAKE_CXX_FLAGS MATCHES "/W[0-4]")
+			string(REGEX REPLACE "/W[0-4]" "/W4" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+		else()
+			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /W4")
+		endif()
+	endif()
+
+endif()
+
+# cmake setup end
+
+add_subdirectory(./src)
 
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
new file mode 100644
index 0000000..d9ce071
--- /dev/null
+++ b/external/CMakeLists.txt
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
+
+include(FetchContent)
+
+if (NOT TARGET EnTT::EnTT)
+	FetchContent_Declare(EnTT
+		GIT_REPOSITORY https://github.com/skypjack/entt.git
+		GIT_TAG v3.12.2
+		EXCLUDE_FROM_ALL
+	)
+	FetchContent_MakeAvailable(EnTT)
+endif()
+
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..10144d7
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,12 @@
+add_library(solanaceae_contact INTERFACE
+	#./solanaceae/contact/components.hpp
+	#./solanaceae/contact/components_id.inl
+	#./solanaceae/contact/contact_model3.hpp
+)
+
+target_include_directories(solanaceae_contact INTERFACE .)
+target_compile_features(solanaceae_contact INTERFACE cxx_std_17)
+target_link_libraries(solanaceae_contact INTERFACE
+	EnTT::EnTT
+)
+
diff --git a/solanaceae/contact/components.hpp b/src/solanaceae/contact/components.hpp
similarity index 100%
rename from solanaceae/contact/components.hpp
rename to src/solanaceae/contact/components.hpp
diff --git a/solanaceae/contact/components_id.inl b/src/solanaceae/contact/components_id.inl
similarity index 100%
rename from solanaceae/contact/components_id.inl
rename to src/solanaceae/contact/components_id.inl
diff --git a/solanaceae/contact/contact_model3.hpp b/src/solanaceae/contact/contact_model3.hpp
similarity index 100%
rename from solanaceae/contact/contact_model3.hpp
rename to src/solanaceae/contact/contact_model3.hpp