added hack for analog trigger on windows of xbox 360 gamepad

cmake @ a0eb0dda

-Subproject commit c4eead9bcb430fed3e99ee0df0f2b06559df5db4
+Subproject commit a0eb0dda91ce5d621d47de52bcecdd494b00e353

include/ACGL/HardwareSupport/GamePad.hh

@@ -144,6 +144,11 @@ private:
 
     bool isMapped( GamePadButton _button );
     void printPressedButtonHelper( GamePadButton _b, const char *_TRUE, const char *_false );
+
+	//
+	// HACK for trigger mapping on windows of xbox 360 gamepad:
+	//
+	bool isXBox360OnWindows;
 };
 ACGL_SMARTPOINTER_TYPEDEFS(GamePad)
 

src/ACGL/HardwareSupport/GamePad.cc

@@ -40,6 +40,7 @@ GamePad::GamePad( int _n )
     mMinSensitivity  = 0.0f;
     mButtonState     = NULL;
     mLastButtonState = NULL;
+	isXBox360OnWindows = false;
 
 #if defined( ACGL_COMPILE_WITH_GLFW )
     int numberOfJoysticksFound = 0;
@@ -196,11 +197,8 @@ GamePad::GamePad( int _n )
 			setButtonMapping(LEFT_PAD_WEST,  13);
 
 
-			//setButtonMapping(LEFT_TRIGGER,  2 + mNumberOfButtons); // axis 2
-			//setButtonMapping(RIGHT_TRIGGER, 5 + mNumberOfButtons); // axis 5
+			isXBox360OnWindows = true;
 
-			//setAxisMapping(LEFT_ANALOG_TRIGGER, 2); mAxesMultiplier[2] = 0.5f; mAxesAdd[2] = 0.5f;
-			//setAxisMapping(RIGHT_ANALOG_TRIGGER, 5); mAxesMultiplier[5] = -0.5f; mAxesAdd[5] = 0.5f;
 			setAxisMapping(LEFT_ANALOG_STICK_X, 0);
 			setAxisMapping(LEFT_ANALOG_STICK_Y, 1);
 			setAxisMapping(RIGHT_ANALOG_STICK_X, 3); mAxesMultiplier[3] = -1.0f;
@@ -283,6 +281,14 @@ float GamePad::getAxisRaw( unsigned int _axis )
 
 float GamePad::getAxis( GamePadAxis _axis )
 {
+	if (isXBox360OnWindows) {
+		if (_axis == GamePad::LEFT_ANALOG_TRIGGER) {
+			return std::max(getAxisRaw(2), 0.0f);
+		}
+		else if (_axis == GamePad::RIGHT_ANALOG_TRIGGER) {
+			return -std::min(getAxisRaw(2), 0.0f);
+		}
+	}
     return getAxisRaw( mAxisMap[_axis] );
 }