Add support fro 3DS C-stick

CMake/ctr/n3ds_defs.cmake

@@ -22,9 +22,11 @@ set(SDL1_VIDEO_MODE_BPP 8)
 set(DEFAULT_WIDTH 800)
 set(DEFAULT_HEIGHT 480)
 
-#SDL Joystick axis mapping (circle-pad)
+#SDL Joystick axis mapping (circle-pad/C-stick)
 set(JOY_AXIS_LEFTX 0)
 set(JOY_AXIS_LEFTY 1)
+set(JOY_AXIS_RIGHTX 3)
+set(JOY_AXIS_RIGHTY 4)
 #SDL Joystick hat mapping (D-pad)
 set(JOY_HAT_DPAD_UP_HAT 0)
 set(JOY_HAT_DPAD_RIGHT_HAT 0)

docs/manual/platforms/3ds.md

@@ -27,6 +27,7 @@ Installation instructions can be found on the [Installing](/docs/installing.md)
 * Start + X: toggle zoom
 * Select + D-Pad: move automap or simulate mouse
 * Select + A/B/X/Y: Spell hotkeys
+* C-stick: move automap or simulate mouse
 * Select + ZL: quest log (alt: Start + Y)
 * Select + ZR: spell book (alt: Start + B)