Add nITG's new Move modifiers (#1411)

* Implemented NITG's MoveX/Y/Z modifiers

Added modifiers:
MoveX1-n: Moves a column in the x direction, 100% = move left one arrow size. 
MoveY1-n: Moves a column in the y direction
MoveZ1-n: Moves a column in the z direction.

src/ArrowEffects.cpp

@@ -675,6 +675,33 @@ float ArrowEffects::ReceptorGetRotationY( const PlayerState* pPlayerState )
 	return fRotation;
 }
 
+float ArrowEffects::GetMoveX(int iCol)
+{
+	const float* fMoves = curr_options->m_fMovesX;
+	float f = 0;
+	if( fMoves[iCol] != 0 )
+		f += ARROW_SIZE * fMoves[iCol];
+	return f;
+}
+
+float ArrowEffects::GetMoveY(int iCol)
+{
+	const float* fMoves = curr_options->m_fMovesY;
+	float f = 0;
+	if( fMoves[iCol] != 0 )
+		f += ARROW_SIZE * fMoves[iCol];
+	return f;
+}
+
+float ArrowEffects::GetMoveZ(int iCol)
+{
+	const float* fMoves = curr_options->m_fMovesZ;
+	float f = 0;
+	if( fMoves[iCol] != 0 )
+		f += ARROW_SIZE * fMoves[iCol];
+	return f;
+}
+
 #define CENTER_LINE_Y 160	// from fYOffset == 0
 #define FADE_DIST_Y 40