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Connects SDL joystick input to joystick machines.

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This commit is contained in:
Thomas Harte 2018-06-14 22:37:44 -04:00
parent 1bf0c1891a
commit 678bd93c52
1 changed files with 36 additions and 2 deletions
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38
OSBindings/SDL/main.cpp
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@ -390,9 +390,9 @@ int main(int argc, char *argv[]) {
int window_width, window_height;
SDL_GetWindowSize(window, &window_width, &window_height);
// Establish user-friendly options by default.
Configurable::Device *configurable_device = machine->configurable_device();
Configurable::Device *const configurable_device = machine->configurable_device();
if(configurable_device) {
// Establish user-friendly options by default.
configurable_device->set_selections(configurable_device->get_user_friendly_selections());
// Consider transcoding any list selections that map to Boolean options.
@ -410,9 +410,21 @@ int main(int argc, char *argv[]) {
}
}
}
// Apply the user's actual selections to override the defaults.
configurable_device->set_selections(arguments.selections);
}
// If this is a joystick machine, check for and open attached joysticks.
std::vector<std::unique_ptr<SDL_Joystick, decltype(&SDL_JoystickClose)>> joysticks;
JoystickMachine::Machine *const joystick_machine = machine->joystick_machine();
if(joystick_machine) {
SDL_InitSubSystem(SDL_INIT_JOYSTICK);
for(int c = 0; c < SDL_NumJoysticks(); ++c) {
joysticks.emplace_back(SDL_JoystickOpen(c), &SDL_JoystickClose);
}
}
// Run the main event loop until the OS tells us to quit.
bool should_quit = false;
Uint32 fullscreen_mode = 0;
@ -510,6 +522,27 @@ int main(int argc, char *argv[]) {
}
}
// Push new joystick state, if any.
JoystickMachine::Machine *const joystick_machine = machine->joystick_machine();
if(joystick_machine) {
std::vector<std::unique_ptr<Inputs::Joystick>> &machine_joysticks = joystick_machine->get_joysticks();
for(size_t c = 0; c < joysticks.size(); ++c) {
size_t target = c % machine_joysticks.size();
const float x_axis = static_cast<float>(SDL_JoystickGetAxis(joysticks[c].get(), 0) + 32768) / 65536.0f;
const float y_axis = static_cast<float>(SDL_JoystickGetAxis(joysticks[c].get(), 1) + 32768) / 65536.0f;
machine_joysticks[target]->set_input(Inputs::Joystick::Input(Inputs::Joystick::Input::Type::Horizontal), x_axis);
machine_joysticks[target]->set_input(Inputs::Joystick::Input(Inputs::Joystick::Input::Type::Vertical), y_axis);
const int number_of_buttons = SDL_JoystickNumButtons(joysticks[c].get());
for(int button = 0; button < number_of_buttons; ++button) {
machine_joysticks[target]->set_input(
Inputs::Joystick::Input(Inputs::Joystick::Input::Type::Fire, button),
SDL_JoystickGetButton(joysticks[c].get(), button) ? true : false);
}
}
}
// Display a new frame and wait for vsync.
updater.update();
machine->crt_machine()->get_crt()->draw_frame(static_cast<unsigned int>(window_width), static_cast<unsigned int>(window_height), false);
@ -517,6 +550,7 @@ int main(int argc, char *argv[]) {
}
// Clean up.
joysticks.clear();
SDL_DestroyWindow( window );
SDL_Quit();