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Allow disabling Dear ImGui integration in CMake

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and do it automatically when using SDL1.2, as it requires SDL2
(or SDL3 once we support it)
This commit is contained in:
Daniel Gibson 2024-06-02 14:07:29 +02:00
parent ecee402927
commit 10312f6998
2 changed files with 26 additions and 6 deletions
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23
neo/CMakeLists.txt
View file

@ -56,6 +56,7 @@ endif()
option(DEDICATED "Build the dedicated server" OFF)
option(ONATIVE "Optimize for the host CPU" OFF)
option(SDL2 "Use SDL2 instead of SDL1.2" ON)
option(IMGUI "Build with Dear ImGui integration - requires SDL2 and C++11" ON)
option(REPRODUCIBLE_BUILD "Replace __DATE__ and __TIME__ by hardcoded values for reproducible builds" OFF)
option(HARDLINK_GAME "Compile gamecode into executable (no game DLLs)" OFF)
@ -71,10 +72,6 @@ if(NOT MSVC) # GCC/clang or compatible, hopefully
endif()
endif()
# we need C++11 for ImGui
# TODO: if we allow disabling ImGui, we could disable setting the c++ standard - or maybe just embrace C++11?
set (CMAKE_CXX_STANDARD 11)
if(NOT CMAKE_SYSTEM_PROCESSOR)
message(FATAL_ERROR "No target CPU architecture set")
endif()
@ -222,6 +219,20 @@ if(REPRODUCIBLE_BUILD)
add_definitions(-DID_REPRODUCIBLE_BUILD)
endif()
if(IMGUI)
if(SDL2)
# we need C++11 for ImGui
set (CMAKE_CXX_STANDARD 11)
message(STATUS "Dear ImGui integration enabled")
else()
message(WARNING "Disabling IMGUI because SDL1.2 is used - it needs SDL2!")
set(IMGUI OFF)
add_definitions(-DIMGUI_DISABLE)
endif()
else()
message(STATUS "Dear ImGui integration disabled")
add_definitions(-DIMGUI_DISABLE)
endif()
find_package(CURL QUIET)
if(CURL_FOUND)
@ -757,6 +768,7 @@ set(src_idlib
add_globbed_headers(src_idlib "idlib")
if(IMGUI)
set(src_imgui
libs/imgui/backends/imgui_impl_sdl2.cpp
libs/imgui/backends/imgui_impl_opengl2.cpp
@ -773,6 +785,9 @@ set(src_imgui
sys/sys_imgui.cpp
sys/imgui_savestyle.cpp
)
else()
set(src_imgui sys/sys_imgui.h)
endif()
set(src_game

9
neo/framework/Dhewm3SettingsMenu.cpp
View file

@ -1,9 +1,9 @@
#ifndef IMGUI_DISABLE
#define IMGUI_DEFINE_MATH_OPERATORS
#include "Common.h"
#ifndef IMGUI_DISABLE
#include "idlib/LangDict.h"
@ -2386,6 +2386,11 @@ void Com_Dhewm3Settings_f( const idCmdArgs &args )
#else // IMGUI_DISABLE - just a stub function
void Com_Dhewm3Settings_f( const idCmdArgs &args ) {}
#include "Common.h"
void Com_Dhewm3Settings_f( const idCmdArgs &args )
{
common->Warning( "Dear ImGui is disabled in this build, so the dhewm3 settings menu is not available!" );
}
#endif