Controller: Support SDL1 joystick axes

CMakeLists.txt

@@ -316,6 +316,10 @@ foreach(
   KBCTRL_BUTTON_START
   KBCTRL_BUTTON_BACK
   KBCTRL_MODIFIER_KEY
+  JOY_AXIS_LEFTX
+  JOY_AXIS_LEFTY
+  JOY_AXIS_RIGHTX
+  JOY_AXIS_RIGHTY
   JOY_BUTTON_DPAD_LEFT
   JOY_BUTTON_DPAD_RIGHT
   JOY_BUTTON_DPAD_UP

SourceX/controls/controller_motion.cpp

@@ -1,6 +1,7 @@
 #include "controls/controller_motion.h"
 
 #include "controls/devices/game_controller.h"
+#include "controls/devices/joystick.h"
 
 namespace dvl {
 
@@ -85,6 +86,8 @@ bool ProcessControllerMotion(const SDL_Event &event)
 	if (ProcessGameControllerAxisMotion(event))
 		return true;
 #endif
+	if (ProcessJoystickAxisMotion(event))
+		return true;
 	return false;
 }
 

SourceX/controls/devices/joystick.cpp

@@ -1,6 +1,7 @@
 
 #include "controls/devices/joystick.h"
 
+#include "controls/controller_motion.h"
 #include "stubs.h"
 
 #ifdef SWITCH
@@ -154,6 +155,41 @@ bool IsJoystickButtonPressed(ControllerButton button) {
 	return joy_button != -1 && SDL_JoystickGetButton(CurrentJoystick(), joy_button);
 }
 
+bool ProcessJoystickAxisMotion(const SDL_Event &event)
+{
+	if (event.type != SDL_JOYAXISMOTION)
+		return false;
+	switch (event.jaxis.axis) {
+#ifdef JOY_AXIS_LEFTX
+	case JOY_AXIS_LEFTX:
+		leftStickXUnscaled = event.jaxis.value;
+		leftStickNeedsScaling = true;
+		break;
+#endif
+#ifdef JOY_AXIS_LEFTY
+	case JOY_AXIS_LEFTY:
+		leftStickYUnscaled = -event.jaxis.value;
+		leftStickNeedsScaling = true;
+		break;
+#endif
+#ifdef JOY_AXIS_RIGHTX
+	case JOY_AXIS_RIGHTX:
+		rightStickXUnscaled = event.jaxis.value;
+		rightStickNeedsScaling = true;
+		break;
+#endif
+#ifdef JOY_AXIS_RIGHTY
+	case JOY_AXIS_RIGHTY:
+		rightStickYUnscaled = -event.jaxis.value;
+		rightStickNeedsScaling = true;
+		break;
+#endif
+	default:
+		return false;
+	}
+	return true;
+}
+
 static SDL_Joystick *current_joystick = nullptr;
 
 SDL_Joystick *CurrentJoystick()

SourceX/controls/devices/joystick.h

@@ -11,6 +11,8 @@ ControllerButton JoyButtonToControllerButton(const SDL_Event &event);
 
 bool IsJoystickButtonPressed(ControllerButton button);
 
+bool ProcessJoystickAxisMotion(const SDL_Event &event);
+
 SDL_Joystick *CurrentJoystick();
 int CurrentJoystickIndex();