Skip to content

Commit

Permalink
ui: Make keyboard controller scancode map configurable
Browse files Browse the repository at this point in the history
  • Loading branch information
@7oxicshadow
7oxicshadow authored May 29, 2022
1 parent 9f6b967 commit ebcd507
Show file tree
Hide file tree
Showing 2 changed files with 125 additions and 41 deletions.
77 changes: 77 additions & 0 deletions config_spec.yml
View file
Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,83 @@ input:
type: bool
default: true
background_input_capture: bool
keyboard_controller_scancode_map:
# Scancode reference : https://github.com/libsdl-org/SDL/blob/main/include/SDL_scancode.h
a:
type: integer
default: 4 # a
b:
type: integer
default: 5 # b
x:
type: integer
default: 27 # x
y:
type: integer
default: 28 # y
dpad_left:
type: integer
default: 80 # left
dpad_up:
type: integer
default: 82 # up
dpad_right:
type: integer
default: 79 # right
dpad_down:
type: integer
default: 81 # down
back:
type: integer
default: 42 # backspace
start:
type: integer
default: 40 # return
white:
type: integer
default: 30 # 1
black:
type: integer
default: 31 # 2
lstick_btn:
type: integer
default: 32 # 3
rstick_btn:
type: integer
default: 33 # 4
guide:
type: integer
default: 34 # 5
lstick_up:
type: integer
default: 8 # e
lstick_left:
type: integer
default: 22 # s
lstick_right:
type: integer
default: 9 # f
lstick_down:
type: integer
default: 7 # d
ltrigger:
type: integer
default: 26 # w
rstick_up:
type: integer
default: 12 # i
rstick_left:
type: integer
default: 13 # j
rstick_right:
type: integer
default: 15 # l
rstick_down:
type: integer
default: 14 # k
rtrigger:
type: integer
default: 18 # w

display:
quality:
Expand Down
89 changes: 48 additions & 41 deletions ui/xemu-input.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,8 @@ static const char **port_index_to_settings_key_map[] = {
&g_config.input.bindings.port4,
};

static int sdl_kbd_scancode_map[25];

void xemu_input_init(void)
{
if (g_config.input.background_input_capture) {
Expand All @@ -112,6 +114,40 @@ void xemu_input_init(void)
new_con->name = "Keyboard";
new_con->bound = -1;

sdl_kbd_scancode_map[0] = g_config.input.keyboard_controller_scancode_map.a;
sdl_kbd_scancode_map[1] = g_config.input.keyboard_controller_scancode_map.b;
sdl_kbd_scancode_map[2] = g_config.input.keyboard_controller_scancode_map.x;
sdl_kbd_scancode_map[3] = g_config.input.keyboard_controller_scancode_map.y;
sdl_kbd_scancode_map[4] = g_config.input.keyboard_controller_scancode_map.dpad_left;
sdl_kbd_scancode_map[5] = g_config.input.keyboard_controller_scancode_map.dpad_up;
sdl_kbd_scancode_map[6] = g_config.input.keyboard_controller_scancode_map.dpad_right;
sdl_kbd_scancode_map[7] = g_config.input.keyboard_controller_scancode_map.dpad_down;
sdl_kbd_scancode_map[8] = g_config.input.keyboard_controller_scancode_map.back;
sdl_kbd_scancode_map[9] = g_config.input.keyboard_controller_scancode_map.start;
sdl_kbd_scancode_map[10] = g_config.input.keyboard_controller_scancode_map.white;
sdl_kbd_scancode_map[11] = g_config.input.keyboard_controller_scancode_map.black;
sdl_kbd_scancode_map[12] = g_config.input.keyboard_controller_scancode_map.lstick_btn;
sdl_kbd_scancode_map[13] = g_config.input.keyboard_controller_scancode_map.rstick_btn;
sdl_kbd_scancode_map[14] = g_config.input.keyboard_controller_scancode_map.guide;
sdl_kbd_scancode_map[15] = g_config.input.keyboard_controller_scancode_map.lstick_up;
sdl_kbd_scancode_map[16] = g_config.input.keyboard_controller_scancode_map.lstick_left;
sdl_kbd_scancode_map[17] = g_config.input.keyboard_controller_scancode_map.lstick_right;
sdl_kbd_scancode_map[18] = g_config.input.keyboard_controller_scancode_map.lstick_down;
sdl_kbd_scancode_map[19] = g_config.input.keyboard_controller_scancode_map.ltrigger;
sdl_kbd_scancode_map[20] = g_config.input.keyboard_controller_scancode_map.rstick_up;
sdl_kbd_scancode_map[21] = g_config.input.keyboard_controller_scancode_map.rstick_left;
sdl_kbd_scancode_map[22] = g_config.input.keyboard_controller_scancode_map.rstick_right;
sdl_kbd_scancode_map[23] = g_config.input.keyboard_controller_scancode_map.rstick_down;
sdl_kbd_scancode_map[24] = g_config.input.keyboard_controller_scancode_map.rtrigger;

for (int i = 0; i < 25; i++) {
if( (sdl_kbd_scancode_map[i] < SDL_SCANCODE_UNKNOWN) ||
(sdl_kbd_scancode_map[i] >= SDL_NUM_SCANCODES) ) {
fprintf(stderr, "WARNING: Keyboard controller map scancode out of range (%d) : Disabled\n", sdl_kbd_scancode_map[i]);
sdl_kbd_scancode_map[i] = SDL_SCANCODE_UNKNOWN;
}
}

// Create USB Daughterboard for 1.0 Xbox. This is connected to Port 1 of the Root hub.
QDict *usbhub_qdict = qdict_new();
qdict_put_str(usbhub_qdict, "driver", "usb-hub");
Expand Down Expand Up @@ -308,51 +344,22 @@ void xemu_input_update_sdl_kbd_controller_state(ControllerState *state)
memset(state->axis, 0, sizeof(state->axis));

const uint8_t *kbd = SDL_GetKeyboardState(NULL);
const int sdl_kbd_button_map[15] = {
SDL_SCANCODE_A,
SDL_SCANCODE_B,
SDL_SCANCODE_X,
SDL_SCANCODE_Y,
SDL_SCANCODE_LEFT,
SDL_SCANCODE_UP,
SDL_SCANCODE_RIGHT,
SDL_SCANCODE_DOWN,
SDL_SCANCODE_BACKSPACE,
SDL_SCANCODE_RETURN,
SDL_SCANCODE_1,
SDL_SCANCODE_2,
SDL_SCANCODE_3,
SDL_SCANCODE_4,
SDL_SCANCODE_5
};

for (int i = 0; i < 15; i++) {
state->buttons |= kbd[sdl_kbd_button_map[i]] << i;
state->buttons |= kbd[sdl_kbd_scancode_map[i]] << i;
}

/*
W = LTrig
E
S F
D
*/
if (kbd[SDL_SCANCODE_E]) state->axis[CONTROLLER_AXIS_LSTICK_Y] = 32767;
if (kbd[SDL_SCANCODE_S]) state->axis[CONTROLLER_AXIS_LSTICK_X] = -32768;
if (kbd[SDL_SCANCODE_F]) state->axis[CONTROLLER_AXIS_LSTICK_X] = 32767;
if (kbd[SDL_SCANCODE_D]) state->axis[CONTROLLER_AXIS_LSTICK_Y] = -32768;
if (kbd[SDL_SCANCODE_W]) state->axis[CONTROLLER_AXIS_LTRIG] = 32767;

/*
O = RTrig
I
J L
K
*/
if (kbd[SDL_SCANCODE_I]) state->axis[CONTROLLER_AXIS_RSTICK_Y] = 32767;
if (kbd[SDL_SCANCODE_J]) state->axis[CONTROLLER_AXIS_RSTICK_X] = -32768;
if (kbd[SDL_SCANCODE_L]) state->axis[CONTROLLER_AXIS_RSTICK_X] = 32767;
if (kbd[SDL_SCANCODE_K]) state->axis[CONTROLLER_AXIS_RSTICK_Y] = -32768;
if (kbd[SDL_SCANCODE_O]) state->axis[CONTROLLER_AXIS_RTRIG] = 32767;
if (kbd[sdl_kbd_scancode_map[15]]) state->axis[CONTROLLER_AXIS_LSTICK_Y] = 32767;
if (kbd[sdl_kbd_scancode_map[16]]) state->axis[CONTROLLER_AXIS_LSTICK_X] = -32768;
if (kbd[sdl_kbd_scancode_map[17]]) state->axis[CONTROLLER_AXIS_LSTICK_X] = 32767;
if (kbd[sdl_kbd_scancode_map[18]]) state->axis[CONTROLLER_AXIS_LSTICK_Y] = -32768;
if (kbd[sdl_kbd_scancode_map[19]]) state->axis[CONTROLLER_AXIS_LTRIG] = 32767;

if (kbd[sdl_kbd_scancode_map[20]]) state->axis[CONTROLLER_AXIS_RSTICK_Y] = 32767;
if (kbd[sdl_kbd_scancode_map[21]]) state->axis[CONTROLLER_AXIS_RSTICK_X] = -32768;
if (kbd[sdl_kbd_scancode_map[22]]) state->axis[CONTROLLER_AXIS_RSTICK_X] = 32767;
if (kbd[sdl_kbd_scancode_map[23]]) state->axis[CONTROLLER_AXIS_RSTICK_Y] = -32768;
if (kbd[sdl_kbd_scancode_map[24]]) state->axis[CONTROLLER_AXIS_RTRIG] = 32767;
}

void xemu_input_update_sdl_controller_state(ControllerState *state)
Expand Down

0 comments on commit ebcd507

Please sign in to comment.