setup: Add default config for Xbox360 on Linux.

The Xbox360 controller is handled differently by different
operating systems, and the layout is different on Linux to Windows.
Detect the Linux layout and set some appropriate defaults.

1 files changed, 27 insertions, 0 deletions

diff --git a/src/setup/joystick.c b/src/setup/joystick.c
index b57667f4..4cc62fe1 100644
--- a/src/setup/joystick.c
+++ b/src/setup/joystick.c
@@ -206,6 +206,26 @@ static const joystick_config_t xbox360_controller[] =
     {NULL, 0},
 };
 
+// Xbox 360 controller under Linux.
+static const joystick_config_t xbox360_controller_linux[] =
+{
+    {"joystick_x_axis",        CREATE_HAT_AXIS(0, HAT_AXIS_HORIZONTAL)},
+    {"joystick_y_axis",        CREATE_HAT_AXIS(0, HAT_AXIS_VERTICAL)},
+    // Ideally we'd like the trigger buttons to be strafe left/right
+    // But Linux presents each trigger button as its own axis, which
+    // we can't really work with. So we have to settle for a
+    // suboptimal setup.
+    {"joyb_fire",              2},  // X
+    {"joyb_speed",             0},  // A
+    {"joyb_jump",              3},  // Y
+    {"joyb_use",               1},  // B
+    {"joyb_strafeleft",        4},  // LB
+    {"joyb_straferight",       5},  // RB
+    {"joyb_menu_activate",     7},  // Start
+    {"joyb_prevweapon",        6},  // Back
+    {NULL, 0},
+};
+
 // Logitech Dual Action (F310, F710). Thanks to Brad Harding for details.
 static const joystick_config_t logitech_f310_controller[] =
 {
@@ -249,6 +269,13 @@ static const known_joystick_t known_joysticks[] =
         xbox360_controller,
     },
 
+    // Xbox 360 controller as it appears on Linux.
+    {
+        "Microsoft X-Box 360 pad",
+        6, 11, 1,
+        xbox360_controller_linux,
+    },
+
     {
         "Logitech Dual Action",
         4, 12, 1,