SDL Game Controller RT/LT RB/LB

CMakeLists.txt

cmake_minimum_required(VERSION 3.25)
project(sdlinputtest LANGUAGES CXX)

find_package(SDL2 REQUIRED)

add_executable(sdlinputtest sdlinputtest.cpp)
target_link_libraries(sdlinputtest PRIVATE SDL2::SDL2 SDL2::SDL2main)

if(WIN32)
	add_custom_command(TARGET sdlinputtest POST_BUILD
		COMMAND ${CMAKE_COMMAND} -E copy_if_different
			$<TARGET_PROPERTY:SDL2::SDL2,IMPORTED_LOCATION> $<TARGET_FILE_DIR:sdlinputtest>)
endif()

sdlinputtest.cpp

#include <chrono>
#include <cstdio>
#include <thread>

#include <SDL.h>

using namespace std::chrono_literals;

void printInput(SDL_GameController* controller)
{
	printf("[%6d] ", SDL_GameControllerGetAxis(controller, SDL_CONTROLLER_AXIS_TRIGGERLEFT));
	printf("[%6d] ", SDL_GameControllerGetAxis(controller, SDL_CONTROLLER_AXIS_TRIGGERRIGHT));
	if (SDL_GameControllerGetButton(controller, SDL_CONTROLLER_BUTTON_LEFTSHOULDER)) {
		printf("[P1] ");
	}
	if (SDL_GameControllerGetButton(controller, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER)) {
		printf("[P2] ");
	}
	printf("\n");
}

int SDL_main(int, char**)
{
	SDL_Init(SDL_INIT_EVERYTHING);

	SDL_GameController* controller;
	for (int id = 0; id < 10; ++id) {
		if (SDL_IsGameController(id)) {
			printf("Controller: %d\n", id);
			controller = SDL_GameControllerOpen(id);
			break;
		}
	}

	bool quit = false;
	while (!quit) {
		SDL_Event event;
		while (SDL_PollEvent(&event)) {
			switch (event.type) {
			case SDL_QUIT:
				quit = true;
				break;
			}
		}

		printInput(controller);

		std::this_thread::sleep_for(50ms);
	}

	SDL_GameControllerClose(controller);

	SDL_Quit();

	return 0;
}