fixed gamepad bugs

src/ACGL/HardwareSupport/GamePad.cc

@@ -240,8 +240,8 @@ void GamePad::getAxisAndButtonValues()
 #ifdef ACGL_COMPILE_WITH_GLFW
     mGLFWButtons = glfwGetJoystickButtons( mGLFWGamePadNumber, &mNumberOfButtons );
     mGLFWAxes    = glfwGetJoystickAxes(    mGLFWGamePadNumber, &mNumberOfAxes );
-    memcpy( mButtonState, mGLFWButtons, mNumberOfButtons*sizeof(float) );
-    memcpy( mAxes,        mGLFWAxes,    mNumberOfAxes                  );
+    memcpy( mButtonState, mGLFWButtons, mNumberOfButtons );
+    memcpy( mAxes,        mGLFWAxes,    mNumberOfAxes   * sizeof(float) );
 #elif defined( ACGL_OWN_LINUX_JOYSTICK )
 
     EventJoystick event;
@@ -268,7 +268,7 @@ void GamePad::getAxisAndButtonValues()
     }
     for (int i = 0; i < mNumberOfAxes; ++i) {
         mAxes[i] = 0.0f;
-    }*/
+    }
 #endif
 }
 
@@ -327,6 +327,11 @@ void GamePad::printState()
         return;
     }
 
+    if (!mLastButtonState) {
+        // uninitialized, update() will initialize the buttons
+        update();
+    }
+
     for (int i = 0; i < mNumberOfButtons; ++i) {
         debug() << (int) mButtonState[i] << " ";
     }