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Possible to reverse directions in gamepad mapping

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Iwan Timmer
2014-01-28 14:49:58 +01:00
parent 07c6c55577
commit 61a2c8abad
4 changed files with 38 additions and 16 deletions
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16
src/com/limelight/input/EvdevAbsolute.java
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@@ -18,7 +18,9 @@ public class EvdevAbsolute {
private int avg;
private int range;
public EvdevAbsolute(String filename, int axis) {
private boolean reverse;
public EvdevAbsolute(String filename, int axis, boolean reverse) {
ByteBuffer buffer = ByteBuffer.allocate(6*4);
buffer.order(ByteOrder.nativeOrder());
byte[] data = buffer.array();
@@ -30,6 +32,8 @@ public class EvdevAbsolute {
int max = buffer.getInt();
avg = (min+max)/2;
range = max-avg;
this.reverse = reverse;
}
private int getRequest(int dir, int type, int nr, int size) {
@@ -42,7 +46,7 @@ public class EvdevAbsolute {
* @return input value as short
*/
public short getShort(int value) {
return (short) ((value-avg) * range / Short.MAX_VALUE);
return (short) ((value-avg) * (reverse?-range:range) / Short.MAX_VALUE);
}
/**
@@ -51,7 +55,7 @@ public class EvdevAbsolute {
* @return input value as byte
*/
public byte getByte(int value) {
return (byte) ((value-avg) * range / Byte.MAX_VALUE);
return (byte) ((value-avg) * (reverse?-range:range) / Byte.MAX_VALUE);
}
/**
@@ -59,11 +63,11 @@ public class EvdevAbsolute {
* @param value received input
* @return input value as direction
*/
public byte getDirection(int value) {
public int getDirection(int value) {
if (value>(avg+range/4))
return UP;
return (reverse?DOWN:UP);
else if (value<(avg-range/4))
return DOWN;
return (reverse?UP:DOWN);
else
return NONE;
}