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Use SDL’s key mapping when available

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This commit is contained in:
Lior Halphon 2017-12-28 20:22:54 +02:00
parent c559a308ad
commit 61f9dbd95d
4 changed files with 123 additions and 23 deletions
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3
Core/apu.c
View File

@ -93,7 +93,8 @@ static void render(GB_gameboy_t *gb)
gb->apu_output.highpass_diff = (GB_double_sample_t)
{left_volume * (1 - gb->apu_output.highpass_rate) + gb->apu_output.highpass_diff.left * gb->apu_output.highpass_rate,
right_volume * (1 - gb->apu_output.highpass_rate) + gb->apu_output.highpass_diff.right * gb->apu_output.highpass_rate};
case GB_HIGHPASS_MAX:;
}
}

124
SDL/gui.c
View File

@ -472,6 +472,7 @@ static void enter_controls_menu(unsigned index)
static unsigned joypad_index = 0;
SDL_Joystick *joystick = NULL;
SDL_GameController *controller = NULL;
const char *current_joypad_name(unsigned index)
{
static char name[23] = {0,};
@ -500,14 +501,92 @@ static void cycle_joypads(unsigned index)
if (joypad_index >= SDL_NumJoysticks()) {
joypad_index = 0;
}
if (joystick) {
SDL_JoystickClose(joystick);
if (controller) {
SDL_GameControllerClose(controller);
controller = NULL;
}
joystick = SDL_JoystickOpen(joypad_index);
else if (joystick) {
SDL_JoystickClose(joystick);
joystick = NULL;
}
if ((controller = SDL_GameControllerOpen(joypad_index))){
joystick = SDL_GameControllerGetJoystick(controller);
}
else {
joystick = SDL_JoystickOpen(joypad_index);
}
}
static void cycle_joypads_backwards(unsigned index)
{
joypad_index++;
if (joypad_index >= SDL_NumJoysticks()) {
joypad_index = SDL_NumJoysticks() - 1;
}
if (controller) {
SDL_GameControllerClose(controller);
controller = NULL;
}
else if (joystick) {
SDL_JoystickClose(joystick);
joystick = NULL;
}
if ((controller = SDL_GameControllerOpen(joypad_index))){
joystick = SDL_GameControllerGetJoystick(controller);
}
else {
joystick = SDL_JoystickOpen(joypad_index);
}
}
unsigned fix_joypad_axis(unsigned axis)
{
if (controller) {
/* Convert to the mapping used by generic Xbox-style controllers */
for (SDL_GameControllerAxis i = 0; i < SDL_CONTROLLER_AXIS_MAX; i++) {
if (SDL_GameControllerGetBindForAxis(controller, i).value.axis == axis) {
if (i == SDL_CONTROLLER_AXIS_LEFTX || i == SDL_CONTROLLER_AXIS_RIGHTX) return 0;
if (i == SDL_CONTROLLER_AXIS_LEFTY || i == SDL_CONTROLLER_AXIS_RIGHTY) return 1;
return i;
}
}
return -1;
}
if (configuration.div_joystick) {
axis >>= 1;
}
return axis & 1;
}
unsigned fix_joypad_button(unsigned button)
{
if (controller) {
/* Convert to the mapping used by generic Xbox-style controllers */
for (SDL_GameControllerButton i = 0; i < SDL_CONTROLLER_BUTTON_MAX; i++) {
if (SDL_GameControllerGetBindForButton(controller, i).value.button == button) {
if (i == SDL_CONTROLLER_BUTTON_START) {
return 9;
}
if (i == 9) {
return SDL_CONTROLLER_BUTTON_START;
}
if (i == SDL_CONTROLLER_BUTTON_BACK) {
return 8;
}
if (i == 8) {
return SDL_CONTROLLER_BUTTON_BACK;
}
return i;
}
}
return -1;
}
if (configuration.div_joystick) {
button >>= 1;
}
@ -525,18 +604,6 @@ unsigned fix_joypad_button(unsigned button)
return button;
}
static void cycle_joypads_backwards(unsigned index)
{
joypad_index++;
if (joypad_index >= SDL_NumJoysticks()) {
joypad_index = SDL_NumJoysticks() - 1;
}
if (joystick) {
SDL_JoystickClose(joystick);
}
joystick = SDL_JoystickOpen(joypad_index);
}
static void detect_joypad_layout(unsigned index)
{
gui_state = WAITING_FOR_JBUTTON;
@ -560,11 +627,23 @@ extern void set_filename(const char *new_filename, bool new_should_free);
void run_gui(bool is_running)
{
if (joystick && !SDL_NumJoysticks()) {
SDL_JoystickClose(joystick);
joystick = NULL;
if (controller) {
SDL_GameControllerClose(controller);
controller = NULL;
joystick = NULL;
}
else {
SDL_JoystickClose(joystick);
joystick = NULL;
}
}
else if (!joystick && SDL_NumJoysticks()) {
joystick = SDL_JoystickOpen(0);
if ((controller = SDL_GameControllerOpen(0))){
joystick = SDL_GameControllerGetJoystick(controller);
}
else {
joystick = SDL_JoystickOpen(0);
}
}
/* Draw the background screen */
static SDL_Surface *converted_background = NULL;
@ -599,11 +678,16 @@ void run_gui(bool is_running)
else if (event.jbutton.button == 8 || event.jbutton.button == 9) {
event.key.keysym.scancode = SDL_SCANCODE_ESCAPE;
}
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_UP) event.key.keysym.scancode = SDL_SCANCODE_UP;
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_DOWN) event.key.keysym.scancode = SDL_SCANCODE_DOWN;
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_LEFT) event.key.keysym.scancode = SDL_SCANCODE_LEFT;
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_RIGHT) event.key.keysym.scancode = SDL_SCANCODE_RIGHT;
break;
case SDL_JOYAXISMOTION: {
static bool axis_active[2] = {false, false};
if ((event.jaxis.axis >> configuration.div_joystick) & 1) {
event.jaxis.axis = fix_joypad_axis(event.jaxis.axis);
if (event.jaxis.axis == 1) {
if (event.jaxis.value > 0x4000) {
if (!axis_active[1]) {
event.type = SDL_KEYDOWN;
@ -622,7 +706,7 @@ void run_gui(bool is_running)
axis_active[1] = false;
}
}
else {
else if (event.jaxis.axis == 0) {
if (event.jaxis.value > 0x4000) {
if (!axis_active[0]) {
event.type = SDL_KEYDOWN;

1
SDL/gui.h
View File

@ -51,6 +51,7 @@ extern configuration_t configuration;
void update_viewport(void);
void run_gui(bool is_running);
unsigned fix_joypad_button(unsigned button);
unsigned fix_joypad_axis(unsigned axis);
void render_texture(void *pixels, void *previous);
#endif

18
SDL/main.c
View File

@ -115,9 +115,22 @@ static void handle_events(GB_gameboy_t *gb)
else if (event.jbutton.button == 9) {
GB_set_key_state(gb, GB_KEY_START, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_UP) {
GB_set_key_state(gb, GB_KEY_UP, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_DOWN) {
GB_set_key_state(gb, GB_KEY_DOWN, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_LEFT) {
GB_set_key_state(gb, GB_KEY_LEFT, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button == SDL_CONTROLLER_BUTTON_DPAD_RIGHT) {
GB_set_key_state(gb, GB_KEY_RIGHT, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button & 1) {
GB_set_turbo_mode(gb, event.type == SDL_JOYBUTTONDOWN, false);
}
else {
bool audio_playing = SDL_GetAudioStatus() == SDL_AUDIO_PLAYING;
if (audio_playing) {
@ -133,11 +146,12 @@ static void handle_events(GB_gameboy_t *gb)
break;
case SDL_JOYAXISMOTION:
if ((event.jaxis.axis >> configuration.div_joystick) & 1) {
event.jaxis.axis = fix_joypad_axis(event.jaxis.axis);
if (event.jaxis.axis == 1) {
GB_set_key_state(gb, GB_KEY_DOWN, event.jaxis.value > 0x4000);
GB_set_key_state(gb, GB_KEY_UP, event.jaxis.value < -0x4000);
}
else {
else if (event.jaxis.axis == 0) {
GB_set_key_state(gb, GB_KEY_RIGHT, event.jaxis.value > 0x4000);
GB_set_key_state(gb, GB_KEY_LEFT, event.jaxis.value < -0x4000);
}