initial import, >900commits predate this

external/imgui/CMakeLists.txt

@@ -0,0 +1,60 @@
+cmake_minimum_required(VERSION 3.2 FATAL_ERROR)
+
+project(imgui C CXX)
+
+set(CPP_FILES
+	"imgui/imgui.cpp"
+	"imgui/imgui_draw.cpp"
+	"imgui/imgui_widgets.cpp"
+	"imgui/imgui_demo.cpp"
+
+	"imgui/misc/cpp/imgui_stdlib.cpp"
+
+	"imgui_plot_var.cpp"
+
+	#"imgui_impl_sdl_gl3.cpp"
+	"imgui_impl_sdl.cpp"
+	"imgui_impl_opengl3.cpp"
+)
+
+set(HPP_FILES
+	"imgui/imgui.h"
+	"imgui/imstb_rectpack.h"
+	"imgui/imstb_textedit.h"
+	"imgui/imstb_truetype.h"
+
+	"imgui/misc/cpp/imgui_stdlib.h"
+
+	"imgui_plot_var.hpp"
+
+	#"imgui_impl_sdl_gl3.h"
+	"imgui_impl_sdl.h"
+	"imgui_impl_opengl3.h"
+)
+
+add_library(imgui ${CPP_FILES} ${HPP_FILES})
+
+if(MM_OPENGL_3_GLES)
+	target_compile_definitions(imgui PUBLIC IMGUI_IMPL_OPENGL_ES3)
+	target_compile_definitions(imgui PUBLIC IMGUI_IMPL_OPENGL_LOADER_CUSTOM) # bug?
+else()
+	target_compile_definitions(imgui PUBLIC IMGUI_IMPL_OPENGL_LOADER_GLAD)
+	target_link_libraries(imgui glad)
+endif()
+
+target_include_directories(imgui PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}")
+#target_include_directories(imgui PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/imgui")
+target_include_directories(imgui PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/imgui") # im sad
+
+if(EMSCRIPTEN)
+	set_target_properties(imgui PROPERTIES COMPILE_FLAGS "-s USE_SDL=2 -s USE_WEBGL2=1 -s FULL_ES2=1 -s FULL_ES3=1")
+	set_target_properties(imgui PROPERTIES LINK_FLAGS "-s USE_SDL=2 -s USE_WEBGL2=1 -s FULL_ES2=1 -s FULL_ES3=1")
+elseif(ANDROID)
+	target_link_libraries(imgui SDL)
+else() # if not android or emscripten
+	target_include_directories(imgui PUBLIC "${SDL2_INCLUDE_DIR}")
+	target_link_libraries(imgui ${SDL2_LIBRARY})
+endif()
+
+target_compile_definitions(imgui PUBLIC ImTextureID=unsigned\ long)
+