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Added proper joypad configuration in SDL (Closes #33), can now use Rewind/Slow-Motion from the joypad.

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This commit is contained in:
Lior Halphon 2018-06-23 22:27:05 +03:00
parent 74abf61a08
commit 82436ad838
3 changed files with 194 additions and 167 deletions
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237
SDL/gui.c
View File

@ -66,6 +66,24 @@ configuration_t configuration =
SDL_SCANCODE_TAB,
SDL_SCANCODE_LSHIFT,
},
.joypad_configuration = {
13,
14,
11,
12,
0,
1,
9,
8,
10,
4,
-1,
5,
},
.joypad_axises = {
0,
1,
},
.color_correction_mode = GB_COLOR_CORRECTION_EMULATE_HARDWARE,
.highpass_mode = GB_HIGHPASS_ACCURATE,
.scaling_mode = GB_SDL_SCALING_INTEGER_FACTOR,
@ -221,8 +239,8 @@ static enum {
WAITING_FOR_JBUTTON,
} gui_state;
unsigned auto_detect_progress = 0;
unsigned auto_detect_inputs[3];
static unsigned joypad_configuration_progress = 0;
static uint8_t joypad_axis_temp;
static void item_exit(unsigned index)
{
@ -593,8 +611,9 @@ static void enter_controls_menu_2(unsigned index)
}
static unsigned joypad_index = 0;
SDL_Joystick *joystick = NULL;
SDL_GameController *controller = NULL;
static SDL_Joystick *joystick = NULL;
static SDL_GameController *controller = NULL;
const char *current_joypad_name(unsigned index)
{
static char name[23] = {0,};
@ -661,80 +680,16 @@ static void cycle_joypads_backwards(unsigned 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;
}
if (button < 4) {
if (configuration.swap_joysticks_bits_1_and_2) {
button = (int[]){0, 2, 1, 3}[button];
}
if (configuration.flip_joystick_bit_1) {
button ^= 1;
}
}
return button;
}
static void detect_joypad_layout(unsigned index)
{
gui_state = WAITING_FOR_JBUTTON;
auto_detect_progress = 0;
joypad_configuration_progress = 0;
joypad_axis_temp = -1;
}
static const struct menu_item joypad_menu[] = {
{"Joypad:", cycle_joypads, current_joypad_name, cycle_joypads_backwards},
{"Detect layout", detect_joypad_layout},
{"Configure layout", detect_joypad_layout},
{"Back", return_to_root_menu},
{NULL,}
};
@ -745,6 +700,27 @@ static void enter_joypad_menu(unsigned index)
current_selection = 0;
}
joypad_button_t get_joypad_button(uint8_t physical_button)
{
for (unsigned i = 0; i < JOYPAD_BUTTONS_MAX; i++) {
if (configuration.joypad_configuration[i] == physical_button) {
return i;
}
}
return JOYPAD_BUTTONS_MAX;
}
joypad_axis_t get_joypad_axis(uint8_t physical_axis)
{
for (unsigned i = 0; i < JOYPAD_AXISES_MAX; i++) {
if (configuration.joypad_axises[i] == physical_axis) {
return i;
}
}
return JOYPAD_AXISES_MAX;
}
extern void set_filename(const char *new_filename, bool new_should_free);
void run_gui(bool is_running)
{
@ -793,17 +769,17 @@ void run_gui(bool is_running)
switch (event.type) {
case SDL_JOYBUTTONDOWN:
event.type = SDL_KEYDOWN;
event.jbutton.button = fix_joypad_button(event.jbutton.button);
if (event.jbutton.button < 4) {
event.key.keysym.scancode = (event.jbutton.button & 1) ? SDL_SCANCODE_RETURN : SDL_SCANCODE_ESCAPE;
joypad_button_t button = get_joypad_button(event.jbutton.button);
if (button == JOYPAD_BUTTON_A) {
event.key.keysym.scancode = SDL_SCANCODE_RETURN;
}
else if (event.jbutton.button == 8 || event.jbutton.button == 9) {
else if (button == JOYPAD_BUTTON_START || button == JOYPAD_BUTTON_B || button == JOYPAD_BUTTON_MENU) {
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;
else if (button == JOYPAD_BUTTON_UP) event.key.keysym.scancode = SDL_SCANCODE_UP;
else if (button == JOYPAD_BUTTON_DOWN) event.key.keysym.scancode = SDL_SCANCODE_DOWN;
else if (button == JOYPAD_BUTTON_LEFT) event.key.keysym.scancode = SDL_SCANCODE_LEFT;
else if (button == JOYPAD_BUTTON_RIGHT) event.key.keysym.scancode = SDL_SCANCODE_RIGHT;
break;
case SDL_JOYHATMOTION: {
@ -825,8 +801,9 @@ void run_gui(bool is_running)
case SDL_JOYAXISMOTION: {
static bool axis_active[2] = {false, false};
event.jaxis.axis = fix_joypad_axis(event.jaxis.axis);
if (event.jaxis.axis == 1) {
joypad_axis_t axis = get_joypad_axis(event.jaxis.axis);
if (axis == JOYPAD_AXISES_Y) {
if (event.jaxis.value > 0x4000) {
if (!axis_active[1]) {
event.type = SDL_KEYDOWN;
@ -845,7 +822,7 @@ void run_gui(bool is_running)
axis_active[1] = false;
}
}
else if (event.jaxis.axis == 0) {
else if (axis == JOYPAD_AXISES_X) {
if (event.jaxis.value > 0x4000) {
if (!axis_active[0]) {
event.type = SDL_KEYDOWN;
@ -892,36 +869,54 @@ void run_gui(bool is_running)
}
case SDL_JOYBUTTONDOWN:
{
if (gui_state == WAITING_FOR_JBUTTON) {
if (gui_state == WAITING_FOR_JBUTTON && joypad_configuration_progress != JOYPAD_BUTTONS_MAX) {
should_render = true;
auto_detect_inputs[auto_detect_progress++] = event.jbutton.button;
if (auto_detect_progress == 3) {
configuration.joypad_configuration[joypad_configuration_progress++] = event.jbutton.button;
}
break;
}
case SDL_JOYAXISMOTION: {
if (gui_state == WAITING_FOR_JBUTTON &&
joypad_configuration_progress == JOYPAD_BUTTONS_MAX &&
abs(event.jaxis.value) >= 0x4000) {
if (joypad_axis_temp == (uint8_t)-1) {
joypad_axis_temp = event.jaxis.axis;
}
else if (joypad_axis_temp != event.jaxis.axis) {
if (joypad_axis_temp < event.jaxis.axis) {
configuration.joypad_axises[JOYPAD_AXISES_X] = joypad_axis_temp;
configuration.joypad_axises[JOYPAD_AXISES_Y] = event.jaxis.axis;
}
else {
configuration.joypad_axises[JOYPAD_AXISES_Y] = joypad_axis_temp;
configuration.joypad_axises[JOYPAD_AXISES_X] = event.jaxis.axis;
}
gui_state = SHOWING_MENU;
configuration.div_joystick =
((auto_detect_inputs[0] | auto_detect_inputs[1] | auto_detect_inputs[2]) & 1) == 0 &&
auto_detect_inputs[0] > 9;
if (configuration.div_joystick) {
auto_detect_inputs[0] >>= 1;
auto_detect_inputs[1] >>= 1;
auto_detect_inputs[2] >>= 1;
}
configuration.swap_joysticks_bits_1_and_2 =
(auto_detect_inputs[1] & 1) == (auto_detect_inputs[2] & 1);
if (configuration.swap_joysticks_bits_1_and_2) {
auto_detect_inputs[1] = (int[]){0, 2, 1, 3}[auto_detect_inputs[1]];
auto_detect_inputs[2] = (int[]){0, 2, 1, 3}[auto_detect_inputs[2]];
}
configuration.flip_joystick_bit_1 = auto_detect_inputs[2] & 1;
should_render = true;
}
}
break;
}
case SDL_KEYDOWN:
if (event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
if (event.key.keysym.scancode == SDL_SCANCODE_RETURN && gui_state == WAITING_FOR_JBUTTON) {
should_render = true;
if (joypad_configuration_progress != JOYPAD_BUTTONS_MAX) {
configuration.joypad_configuration[joypad_configuration_progress] = -1;
}
else {
configuration.joypad_axises[0] = -1;
configuration.joypad_axises[1] = -1;
}
joypad_configuration_progress++;
if (joypad_configuration_progress > JOYPAD_BUTTONS_MAX) {
gui_state = SHOWING_MENU;
}
}
else if (event.key.keysym.scancode == SDL_SCANCODE_ESCAPE) {
if (is_running) {
return;
}
@ -937,8 +932,7 @@ void run_gui(bool is_running)
should_render = true;
}
}
if (gui_state == SHOWING_MENU) {
else if (gui_state == SHOWING_MENU) {
if (event.key.keysym.scancode == SDL_SCANCODE_DOWN && current_menu[current_selection + 1].string) {
current_selection++;
should_render = true;
@ -1040,13 +1034,28 @@ void run_gui(bool is_running)
draw_text_centered(pixels, 68, "Press a Key", gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
break;
case WAITING_FOR_JBUTTON:
draw_text_centered(pixels, 68, (const char *[])
{
"Press button for Start",
"Press button for A",
"Press button for B",
} [auto_detect_progress],
draw_text_centered(pixels, 68,
joypad_configuration_progress != JOYPAD_BUTTONS_MAX ? "Press button for" : "Move the Analog Stick",
gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
draw_text_centered(pixels, 80,
(const char *[])
{
"Right",
"Left",
"Up",
"Down",
"A",
"B",
"Select",
"Start",
"Open Menu",
"Turbo",
"Rewind",
"Slow-Motion",
"",
} [joypad_configuration_progress],
gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
draw_text_centered(pixels, 104, "Press Enter to skip", gui_palette_native[3], gui_palette_native[0], DECORATION_NONE);
break;
}

39
SDL/gui.h
View File

@ -31,8 +31,32 @@ enum pending_command {
GB_SDL_QUIT_COMMAND,
};
extern enum pending_command pending_command;
extern unsigned command_parameter;
typedef enum {
JOYPAD_BUTTON_LEFT,
JOYPAD_BUTTON_RIGHT,
JOYPAD_BUTTON_UP,
JOYPAD_BUTTON_DOWN,
JOYPAD_BUTTON_A,
JOYPAD_BUTTON_B,
JOYPAD_BUTTON_SELECT,
JOYPAD_BUTTON_START,
JOYPAD_BUTTON_MENU,
JOYPAD_BUTTON_TURBO,
JOYPAD_BUTTON_REWIND,
JOYPAD_BUTTON_SLOW_MOTION,
JOYPAD_BUTTONS_MAX
} joypad_button_t;
typedef enum {
JOYPAD_AXISES_X,
JOYPAD_AXISES_Y,
JOYPAD_AXISES_MAX
} joypad_axis_t;
typedef struct {
SDL_Scancode keys[9];
GB_color_correction_mode_t color_correction_mode;
@ -41,9 +65,9 @@ typedef struct {
GB_highpass_mode_t highpass_mode;
bool div_joystick;
bool flip_joystick_bit_1;
bool swap_joysticks_bits_1_and_2;
bool _deprecated_div_joystick;
bool _deprecated_flip_joystick_bit_1;
bool _deprecated_swap_joysticks_bits_1_and_2;
char filter[32];
enum {
@ -55,15 +79,18 @@ typedef struct {
/* v0.11 */
uint32_t rewind_length;
SDL_Scancode keys_2[2]; /* Rewind and underclock */
SDL_Scancode keys_2[32]; /* Rewind and underclock, + padding for the future */
uint8_t joypad_configuration[32]; /* 12 Keys + padding for the future*/;
uint8_t joypad_axises[JOYPAD_AXISES_MAX];
} configuration_t;
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);
joypad_button_t get_joypad_button(uint8_t physical_button);
joypad_axis_t get_joypad_axis(uint8_t physical_axis);
#endif

83
SDL/main.c
View File

@ -92,6 +92,20 @@ static const char *end_capturing_logs(bool show_popup, bool should_exit)
return captured_log;
}
static void open_menu(void)
{
bool audio_playing = SDL_GetAudioDeviceStatus(device_id) == SDL_AUDIO_PLAYING;
if (audio_playing) {
SDL_PauseAudioDevice(device_id, 1);
}
run_gui(true);
if (audio_playing) {
SDL_PauseAudioDevice(device_id, 0);
}
GB_set_color_correction_mode(&gb, configuration.color_correction_mode);
GB_set_highpass_filter_mode(&gb, configuration.highpass_mode);
}
static void handle_events(GB_gameboy_t *gb)
{
#ifdef __APPLE__
@ -121,56 +135,42 @@ static void handle_events(GB_gameboy_t *gb)
}
case SDL_JOYBUTTONUP:
case SDL_JOYBUTTONDOWN:
event.jbutton.button = fix_joypad_button(event.jbutton.button);
if (event.jbutton.button < 4) {
GB_set_key_state(gb, (event.jbutton.button & 1) ? GB_KEY_A : GB_KEY_B,
event.type == SDL_JOYBUTTONDOWN);
case SDL_JOYBUTTONDOWN: {
joypad_button_t button = get_joypad_button(event.jbutton.button);
if ((GB_key_t) button < GB_KEY_MAX) {
GB_set_key_state(gb, (GB_key_t) button, event.type == SDL_JOYBUTTONDOWN);
}
else if (event.jbutton.button == 8) {
GB_set_key_state(gb, GB_KEY_SELECT, event.type == SDL_JOYBUTTONDOWN);
}
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) {
else if (button == JOYPAD_BUTTON_TURBO) {
turbo_down = event.type == SDL_JOYBUTTONDOWN;
GB_set_turbo_mode(gb, turbo_down, turbo_down && rewind_down);
}
else {
bool audio_playing = SDL_GetAudioDeviceStatus(device_id) == SDL_AUDIO_PLAYING;
if (audio_playing) {
SDL_PauseAudioDevice(device_id, 1);
else if (button == JOYPAD_BUTTON_SLOW_MOTION) {
underclock_down = event.type == SDL_JOYBUTTONDOWN;
}
else if (button == JOYPAD_BUTTON_REWIND) {
rewind_down = event.type == SDL_JOYBUTTONDOWN;
if (event.type == SDL_JOYBUTTONUP) {
rewind_paused = false;
}
GB_set_turbo_mode(gb, turbo_down, turbo_down && rewind_down);
}
else if (button == JOYPAD_BUTTON_MENU && event.type == SDL_JOYBUTTONDOWN) {
open_menu();
}
run_gui(true);
GB_set_color_correction_mode(gb, configuration.color_correction_mode);
GB_set_highpass_filter_mode(gb, configuration.highpass_mode);
}
break;
case SDL_JOYAXISMOTION:
event.jaxis.axis = fix_joypad_axis(event.jaxis.axis);
if (event.jaxis.axis == 1) {
case SDL_JOYAXISMOTION: {
joypad_axis_t axis = get_joypad_axis(event.jaxis.axis);
if (axis == JOYPAD_AXISES_Y) {
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 if (event.jaxis.axis == 0) {
else if (axis == JOYPAD_AXISES_X) {
GB_set_key_state(gb, GB_KEY_RIGHT, event.jaxis.value > 0x4000);
GB_set_key_state(gb, GB_KEY_LEFT, event.jaxis.value < -0x4000);
}
}
break;
case SDL_JOYHATMOTION:
@ -191,16 +191,7 @@ static void handle_events(GB_gameboy_t *gb)
case SDL_KEYDOWN:
switch (event.key.keysym.scancode) {
case SDL_SCANCODE_ESCAPE: {
bool audio_playing = SDL_GetAudioDeviceStatus(device_id) == SDL_AUDIO_PLAYING;
if (audio_playing) {
SDL_PauseAudioDevice(device_id, 1);
}
run_gui(true);
if (!audio_playing) {
SDL_PauseAudioDevice(device_id, 0);
}
GB_set_color_correction_mode(gb, configuration.color_correction_mode);
GB_set_highpass_filter_mode(gb, configuration.highpass_mode);
open_menu();
break;
}
case SDL_SCANCODE_C: