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Fix axes not working

Browse source 
Also do some minor refactoring.
This commit is contained in:
Luiz Henrique Laurini 2021-02-18 16:43:28 -03:00
parent 12777f5812
commit a2886ad94f
1 changed files with 76 additions and 24 deletions
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100
server/src/main/java/com/genymobile/scrcpy/GameController.java
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@ -38,6 +38,31 @@ public final class GameController {
}
}
public static class input_absinfo extends Structure {
public int value = 0;
public int minimum = 0;
public int maximum = 0;
public int fuzz = 0;
public int flat = 0;
public int resolution = 0;
@Override
protected List<String> getFieldOrder() {
return Arrays.asList("value", "minimum", "maximum", "fuzz", "flat", "resolution");
}
};
public static class uinput_abs_setup extends Structure {
public short code;
public input_absinfo absinfo;
@Override
protected List<String> getFieldOrder()
{
return Arrays.asList("code", "absinfo");
}
};
public static class input_event32 extends Structure {
public long time = 0;
public short type = 0;
@ -96,6 +121,7 @@ public final class GameController {
private static final int UI_SET_EVBIT = _IOW(UINPUT_IOCTL_BASE, 100, 4);
private static final int UI_SET_KEYBIT = _IOW(UINPUT_IOCTL_BASE, 101, 4);
private static final int UI_SET_ABSBIT = _IOW(UINPUT_IOCTL_BASE, 103, 4);
private static final int UI_ABS_SETUP = _IOW(UINPUT_IOCTL_BASE, 4, new uinput_abs_setup().size());
private static final int UI_DEV_SETUP = _IOW(UINPUT_IOCTL_BASE, 3, new uinput_setup().size());
private static final int UI_DEV_CREATE = _IO(UINPUT_IOCTL_BASE, 1, 0);
@ -194,27 +220,29 @@ public final class GameController {
}
LibC.fn.ioctl(fd, UI_SET_EVBIT, EV_KEY);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_A);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_B);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_X);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_Y);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_BACK);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_START);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_LB);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_RB);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_GUIDE);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_LS);
LibC.fn.ioctl(fd, UI_SET_KEYBIT, XBOX_BTN_RS);
add_key(XBOX_BTN_A);
add_key(XBOX_BTN_B);
add_key(XBOX_BTN_X);
add_key(XBOX_BTN_Y);
add_key(XBOX_BTN_BACK);
add_key(XBOX_BTN_START);
add_key(XBOX_BTN_LB);
add_key(XBOX_BTN_RB);
add_key(XBOX_BTN_GUIDE);
add_key(XBOX_BTN_LS);
add_key(XBOX_BTN_RS);
LibC.fn.ioctl(fd, UI_SET_EVBIT, EV_ABS);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_LSX);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_LSY);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_RSX);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_RSY);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_DPADX);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_DPADY);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_LT);
LibC.fn.ioctl(fd, UI_SET_ABSBIT, XBOX_ABS_RT);
add_abs(XBOX_ABS_LSX, -32768, 32767, 16, 128);
add_abs(XBOX_ABS_LSY, -32768, 32767, 16, 128);
add_abs(XBOX_ABS_RSX, -32768, 32767, 16, 128);
add_abs(XBOX_ABS_RSY, -32768, 32767, 16, 128);
add_abs(XBOX_ABS_DPADX, -1, 1, 0, 0);
add_abs(XBOX_ABS_DPADY, -1, 1, 0, 0);
// These values deviate from the real Xbox 360 controller,
// but allow higher precision (eg. Xbox One controller)
add_abs(XBOX_ABS_LT, 0, 32767, 0, 0);
add_abs(XBOX_ABS_RT, 0, 32767, 0, 0);
uinput_setup usetup = new uinput_setup();
usetup.id.bustype = BUS_USB;
@ -242,6 +270,30 @@ public final class GameController {
}
}
private void add_key(int key) {
if (LibC.fn.ioctl(fd, UI_SET_KEYBIT, key) == -1) {
Ln.e("Could not add key event.");
}
}
private void add_abs(short code, int minimum, int maximum, int fuzz, int flat) {
if (LibC.fn.ioctl(fd, UI_SET_ABSBIT, code) == -1) {
Ln.e("Could not add absolute event.");
}
uinput_abs_setup abs_setup = new uinput_abs_setup();
abs_setup.code = code;
abs_setup.absinfo.minimum = minimum;
abs_setup.absinfo.maximum = maximum;
abs_setup.absinfo.fuzz = fuzz;
abs_setup.absinfo.flat = flat;
if (LibC.fn.ioctl(fd, UI_ABS_SETUP, abs_setup) == -1) {
Ln.e("Could not set absolute event info.");
}
}
private static void emit32(int fd, short type, short code, int val) {
input_event32 ie = new input_event32();
@ -340,7 +392,7 @@ public final class GameController {
}
public void setAxis(int axis, int value) {
emit(fd, EV_ABS, translateAxis(axis), (value + 0x8000) >> 8);
emit(fd, EV_ABS, translateAxis(axis), value);
emit(fd, EV_SYN, SYN_REPORT, 0);
}
@ -349,19 +401,19 @@ public final class GameController {
switch (button) {
case SDL_CONTROLLER_BUTTON_DPAD_UP:
emit(fd, EV_ABS, XBOX_ABS_DPADY, state != 0 ? 0 : 127);
emit(fd, EV_ABS, XBOX_ABS_DPADY, state != 0 ? -1 : 0);
break;
case SDL_CONTROLLER_BUTTON_DPAD_DOWN:
emit(fd, EV_ABS, XBOX_ABS_DPADY, state != 0 ? 255 : 127);
emit(fd, EV_ABS, XBOX_ABS_DPADY, state != 0 ? 1 : 0);
break;
case SDL_CONTROLLER_BUTTON_DPAD_LEFT:
emit(fd, EV_ABS, XBOX_ABS_DPADX, state != 0 ? 0 : 127);
emit(fd, EV_ABS, XBOX_ABS_DPADX, state != 0 ? -1 : 0);
break;
case SDL_CONTROLLER_BUTTON_DPAD_RIGHT:
emit(fd, EV_ABS, XBOX_ABS_DPADX, state != 0 ? 255 : 127);
emit(fd, EV_ABS, XBOX_ABS_DPADX, state != 0 ? 1 : 0);
break;
default: