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Suport for Dpads which use absolute values in evdev

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This commit is contained in:
Iwan Timmer
2014-01-28 14:42:13 +01:00
parent dc97bc9cf0
commit 07c6c55577
4 changed files with 53 additions and 3 deletions
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16
src/com/limelight/input/EvdevAbsolute.java
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@@ -9,6 +9,8 @@ import java.nio.ByteOrder;
*/
public class EvdevAbsolute {
public final static int UP = 1, DOWN = -1, NONE = 0;
private final static int ABS_OFFSET = 0x40;
private final static int READ_ONLY = 2;
private final static char EVDEV_TYPE = 'E';
@@ -52,4 +54,18 @@ public class EvdevAbsolute {
return (byte) ((value-avg) * range / Byte.MAX_VALUE);
}
/**
* Convert input value to direction
* @param value received input
* @return input value as direction
*/
public byte getDirection(int value) {
if (value>(avg+range/4))
return UP;
else if (value<(avg-range/4))
return DOWN;
else
return NONE;
}
}

29
src/com/limelight/input/EvdevHandler.java
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@@ -28,7 +28,7 @@ public class EvdevHandler implements Runnable {
private byte leftTrigger, rightTrigger;
private short leftStickX, leftStickY, rightStickX, rightStickY;
private EvdevAbsolute absLX, absLY, absRX, absRY, absLT, absRT;
private EvdevAbsolute absLX, absLY, absRX, absRY, absLT, absRT, absDX, absDY;
private NvConnection conn;
private FileChannel deviceInput;
@@ -56,6 +56,8 @@ public class EvdevHandler implements Runnable {
absRY = new EvdevAbsolute(device, mapping.abs_ry);
absLT = new EvdevAbsolute(device, mapping.abs_rudder);
absRT = new EvdevAbsolute(device, mapping.abs_throttle);
absDX = new EvdevAbsolute(device, mapping.abs_dpad_x);
absDY = new EvdevAbsolute(device, mapping.abs_dpad_y);
translator = new KeyboardTranslator(conn);
}
@@ -160,6 +162,31 @@ public class EvdevHandler implements Runnable {
leftTrigger = absLT.getByte(value);
else if (code==mapping.abs_rudder)
rightTrigger = absRT.getByte(value);
else if (code==mapping.abs_dpad_x) {
int dir = absRT.getDirection(value);
if (dir==EvdevAbsolute.UP) {
buttonFlags |= ControllerPacket.RIGHT_FLAG;
buttonFlags &= ~ControllerPacket.LEFT_FLAG;
} else if (dir==EvdevAbsolute.NONE) {
buttonFlags &= ~ControllerPacket.LEFT_FLAG;
buttonFlags &= ~ControllerPacket.RIGHT_FLAG;
} else if (dir==EvdevAbsolute.DOWN) {
buttonFlags |= ControllerPacket.LEFT_FLAG;
buttonFlags &= ~ControllerPacket.RIGHT_FLAG;
}
} else if (code==mapping.abs_dpad_y) {
int dir = absRT.getDirection(value);
if (dir==EvdevAbsolute.UP) {
buttonFlags |= ControllerPacket.UP_FLAG;
buttonFlags &= ~ControllerPacket.DOWN_FLAG;
} else if (dir==EvdevAbsolute.NONE) {
buttonFlags &= ~ControllerPacket.DOWN_FLAG;
buttonFlags &= ~ControllerPacket.UP_FLAG;
} else if (dir==EvdevAbsolute.DOWN) {
buttonFlags |= ControllerPacket.DOWN_FLAG;
buttonFlags &= ~ControllerPacket.UP_FLAG;
}
}
conn.sendControllerInput(buttonFlags, leftTrigger, rightTrigger, leftStickX, leftStickY, rightStickX, rightStickY);
}

3
src/com/limelight/input/GamepadMapping.java
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@@ -18,6 +18,9 @@ public class GamepadMapping {
public short abs_rx = EvdevConstants.ABS_RX;
public short abs_ry = EvdevConstants.ABS_RY;
public short abs_dpad_y = -1;
public short abs_dpad_x = -1;
public short abs_throttle = EvdevConstants.ABS_THROTTLE;
public short abs_rudder = EvdevConstants.ABS_RUDDER;