start on toxic game port

external/CMakeLists.txt

@@ -0,0 +1,82 @@
+cmake_minimum_required(VERSION 3.24 FATAL_ERROR)
+
+include(FetchContent)
+
+if (NOT TARGET imgui)
+	FetchContent_Declare(imgui
+		GIT_REPOSITORY https://github.com/ocornut/imgui.git
+		GIT_TAG d4ddc46e7
+		EXCLUDE_FROM_ALL
+	)
+
+	FetchContent_GetProperties(imgui)
+	if(NOT imgui_POPULATED)
+		FetchContent_Populate(imgui)
+
+		add_library(imgui STATIC
+			${imgui_SOURCE_DIR}/imgui.h
+			${imgui_SOURCE_DIR}/imgui_internal.h
+
+			${imgui_SOURCE_DIR}/imgui.cpp
+			${imgui_SOURCE_DIR}/imgui_demo.cpp
+			${imgui_SOURCE_DIR}/imgui_draw.cpp
+			${imgui_SOURCE_DIR}/imgui_tables.cpp
+			${imgui_SOURCE_DIR}/imgui_widgets.cpp
+			${imgui_SOURCE_DIR}/imstb_rectpack.h
+			${imgui_SOURCE_DIR}/imstb_textedit.h
+			${imgui_SOURCE_DIR}/imstb_truetype.h
+
+			${imgui_SOURCE_DIR}/misc/cpp/imgui_stdlib.h
+			${imgui_SOURCE_DIR}/misc/cpp/imgui_stdlib.cpp
+		)
+		target_include_directories(imgui PUBLIC ${imgui_SOURCE_DIR})
+	endif()
+endif()
+
+# TODO: move entt dep into solanaceae_contact
+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()
+
+if (NOT TARGET solanaceae_contact)
+	FetchContent_Declare(solanaceae_contact
+		GIT_REPOSITORY https://github.com/Green-Sky/solanaceae_contact.git
+		GIT_TAG master
+		EXCLUDE_FROM_ALL
+	)
+	FetchContent_MakeAvailable(solanaceae_contact)
+endif()
+
+if (NOT TARGET solanaceae_plugin)
+	FetchContent_Declare(solanaceae_plugin
+		GIT_REPOSITORY https://github.com/Green-Sky/solanaceae_plugin.git
+		GIT_TAG master
+		EXCLUDE_FROM_ALL
+	)
+	FetchContent_MakeAvailable(solanaceae_plugin)
+endif()
+
+if (NOT TARGET solanaceae_toxcore)
+	# set option to interface only? or make default
+	FetchContent_Declare(solanaceae_toxcore
+		GIT_REPOSITORY https://github.com/Green-Sky/solanaceae_toxcore.git
+		GIT_TAG master
+		EXCLUDE_FROM_ALL
+	)
+	FetchContent_MakeAvailable(solanaceae_toxcore)
+endif()
+
+if (NOT TARGET solanaceae_tox_contacts AND NOT TARGET solanaceae_tox_messages)
+	FetchContent_Declare(solanaceae_tox
+		GIT_REPOSITORY https://github.com/Green-Sky/solanaceae_tox.git
+		GIT_TAG master
+		EXCLUDE_FROM_ALL
+	)
+	FetchContent_MakeAvailable(solanaceae_tox)
+endif()
+