<?xml version="1.0"?>

<!-- IT-AUTOFLIGHT -->
<!-- Copyright (c) 2020 Joshua Davidson (Octal450) -->

<PropertyList>
	
	<!-- Predictors -->
	<predict-simple>
		<name>IAS 5 Second Predictor</name>
		<debug>false</debug>
		<input>/instrumentation/airspeed-indicator/indicated-speed-kt</input>
		<output>/it-autoflight/internal/kts-predicted-5</output>
		<seconds>5</seconds>
		<filter-gain>0</filter-gain>
	</predict-simple>
	
	<predict-simple>
		<name>MACH 5 Second Predictor</name>
		<debug>false</debug>
		<input>/instrumentation/airspeed-indicator/indicated-mach</input>
		<output>/it-autoflight/internal/mach-predicted-5</output>
		<seconds>5</seconds>
		<filter-gain>0</filter-gain>
	</predict-simple>
	
	<predict-simple>
		<name>IAS 15 Second Predictor</name>
		<debug>false</debug>
		<input>/instrumentation/airspeed-indicator/indicated-speed-kt</input>
		<output>/it-autoflight/internal/kts-predicted-15</output>
		<seconds>15</seconds>
		<filter-gain>0</filter-gain>
	</predict-simple>
	
	<predict-simple>
		<name>MACH 15 Second Predictor</name>
		<debug>false</debug>
		<input>/instrumentation/airspeed-indicator/indicated-mach</input>
		<output>/it-autoflight/internal/mach-predicted-15</output>
		<seconds>15</seconds>
		<filter-gain>0</filter-gain>
	</predict-simple>
	
	<!-- Autopilot Helpers/Calculators -->
	<filter>
		<name>FMGC Managed Knots</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<expression>
				<product>
					<value>266</value>
					<table>
						<property>/FMGC/internal/cost-index</property>
						<entry><ind>  0</ind><dep>1.00</dep></entry>
						<entry><ind>120</ind><dep>1.19</dep></entry>
					</table>
				</product>
			</expression>
		</input>
		<output>/FMGC/internal/mng-alt-spd</output>
		<min>250</min>
		<max>345</max>
	</filter>
	
	<filter>
		<name>FMGC Managed Mach</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input> 
			<expression>
				<product>
					<table>
						<property>/instrumentation/altimeter/indicated-altitude-ft</property>
						<entry><ind>20000</ind><dep>0.625</dep></entry>
						<entry><ind>42000</ind><dep>0.805</dep></entry>
					</table>
					<table>
						<property>/FMGC/internal/cost-index</property>
						<entry><ind>  0</ind><dep>0.97</dep></entry>
						<entry><ind>120</ind><dep>1.05</dep></entry>
					</table>
				</product>
			</expression>
		</input>
		<output>/FMGC/internal/mng-alt-mach</output>
		<min>0.500</min>
		<max>0.815</max>
	</filter>
	
	<filter>
		<name>FMGC Target Knots PFD</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/input/kts-mach</property>
					<value>0</value>
				</equals>
			</condition>
			<property>/it-autoflight/input/kts</property>
		</input>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/input/kts-mach</property>
					<value>1</value>
				</equals>
			</condition>
			<expression>
				<product>
					<div>
						<property>/instrumentation/airspeed-indicator/indicated-speed-kt</property>
						<property>/instrumentation/airspeed-indicator/indicated-mach</property>
					</div>
					<property>/it-autoflight/input/mach</property>
				</product>
			</expression>
		</input>
		<output>/FMGC/internal/target-ias-pfd</output>
	</filter>
	
	<filter>
		<name>Knots Sync</name>
		<type>gain</type>
		<gain>1.0</gain>
		<enable>
			<condition>
				<equals>
					<property>/it-autoflight/input/kts-mach</property>
					<value>1</value>
				</equals>
			</condition>
		</enable>
		<input>
			<expression>
				<floor>
					<sum>
						<property>/instrumentation/airspeed-indicator/indicated-speed-kt</property>
						<value>0.5</value>
					</sum>
				</floor>
			</expression>
		</input>
		<output>/it-autoflight/input/kts</output>
	</filter>
	
	<filter>
		<name>Mach Sync</name>
		<type>gain</type>
		<gain>1.0</gain>
		<enable>
			<condition>
				<equals>
					<property>/it-autoflight/input/kts-mach</property>
					<value>0</value>
				</equals>
			</condition>
		</enable>
		<input>
			<expression>
				<div>
					<floor>
						<sum>
							<product>
								<property>/instrumentation/airspeed-indicator/indicated-mach</property>
								<value>1000</value>
							</product>
							<value>0.5</value>
						</sum>
					</floor>
					<value>1000</value>
				</div>
			</expression>
		</input>
		<output>/it-autoflight/input/mach</output>
	</filter>
	
	<filter>
		<name>Knots Rate</name>
		<type>derivative</type>
		<input>/velocities/airspeed-kt</input>
		<output>/it-autoflight/internal/kts-rate-raw</output>
		<filter-time>1.0</filter-time>
	</filter>
	
	<filter>
		<name>Knots Rate Lag</name>
		<debug>false</debug>
		<type>exponential</type>
		<input>
			<condition>
				<less-than>
					<property>/velocities/airspeed-kt</property>
					<value>1</value>
				</less-than>
			</condition>
			<value>0</value>
		</input>
		<input>/it-autoflight/internal/kts-rate-raw</input>
		<output>/it-autoflight/internal/kts-rate</output>
		<filter-time>0.08</filter-time>
	</filter>
	
	<filter>
		<name>Flch Knots Rate Command</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/mode/vert</property>
					<value>T/O CLB</value>
				</equals>
			</condition>
			<expression>
				<product>
					<difference>
						<sum>
							<property>/it-autoflight/settings/togaspd</property>
							<value>10</value>
						</sum>
						<property>/instrumentation/airspeed-indicator/indicated-speed-kt</property>
					</difference>
					<value>0.08</value>
				</product>
			</expression>
		</input>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/input/kts-mach</property>
					<value>1</value>
				</equals>
			</condition>
			<expression>
				<product>
					<difference>
						<property>/it-autoflight/input/mach</property>
						<property>/instrumentation/airspeed-indicator/indicated-mach</property>
					</difference>
					<value>80</value>
				</product>
			</expression>
		</input>
		<input>
			<expression>
				<product>
					<difference>
						<property>/it-autoflight/input/kts</property>
						<property>/instrumentation/airspeed-indicator/indicated-speed-kt</property>
					</difference>
					<value>0.08</value>
				</product>
			</expression>
		</input>
		<output>/it-autoflight/internal/flch-kts-error-cmd</output>
		<min>-1.5</min>
		<max>1.5</max>
	</filter>
	
	<filter>
		<name>Flch Knots Rate Filter</name>
		<type>noise-spike</type>
		<feedback-if-disabled>true</feedback-if-disabled>
		<initialize-to>output</initialize-to>
		<input>/it-autoflight/internal/flch-kts-error-cmd</input>
		<output>/it-autoflight/internal/flch-kts-error</output>
		<max-rate-of-change>
			<condition>
				<and>
					<or>
						<equals>
							<property>/it-autoflight/output/vert</property>
							<value>4</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/vert</property>
							<value>7</value>
						</equals>
					</or>
					<or>
						<equals>
							<property>/it-autoflight/output/ap1</property>
							<value>1</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/ap2</property>
							<value>1</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/fd1</property>
							<value>1</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/fd2</property>
							<value>1</value>
						</equals>
					</or>
					<equals>
						<property>/gear/gear[1]/wow</property>
						<value>0</value>
					</equals>
					<equals>
						<property>/gear/gear[2]/wow</property>
						<value>0</value>
					</equals>
				</and>
			</condition>
			<value>2.5</value>
		</max-rate-of-change>
		<max-rate-of-change>100</max-rate-of-change>
	</filter>
	
	<filter>
		<name>Heading Deg</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<property>/instrumentation/efis/mfd/true-north</property>
			</condition>
			<property>/orientation/heading-deg</property>
		</input>
		<input>/orientation/heading-magnetic-deg</input>
		<reference>0</reference>
		<output>/it-autoflight/internal/heading-deg</output>
		<output>/instrumentation/pfd/heading-deg</output>
	</filter>
	
	<filter>
		<name>Track Deg</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<and>
					<property>/instrumentation/efis/mfd/true-north</property>
					<greater-than-equals>
						<property>/velocities/groundspeed-kt</property>
						<value>1</value>
					</greater-than-equals>
				</and>
			</condition>
			<property>/orientation/track-deg</property>
		</input>
		<input>
			<condition>
				<and>
					<not><property>/instrumentation/efis/mfd/true-north</property></not>
					<greater-than-equals>
						<property>/velocities/groundspeed-kt</property>
						<value>1</value>
					</greater-than-equals>
				</and>
			</condition>
			<property>/orientation/track-magnetic-deg</property>
		</input>
		<input>/it-autoflight/internal/heading-deg</input>
		<reference>0</reference>
		<output>/it-autoflight/internal/track-deg</output>
		<output>/instrumentation/pfd/track-deg</output>
	</filter>
	
	<filter>
		<name>Drift Angle</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<less-than>
					<property>/velocities/groundspeed-kt</property>
					<value>1</value>
				</less-than>
			</condition>
			<property>/orientation/heading-magnetic-deg</property>
		</input>
		<input>/orientation/track-magnetic-deg</input>
		<reference>/orientation/heading-magnetic-deg</reference>
		<output>/it-autoflight/internal/drift-angle-deg</output>
		<period>
			<min>-180</min>
			<max>180</max>
		</period>
	</filter>
	
	<filter>
		<name>Heading Error Deg</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<and>
					<equals>
						<property>/it-autoflight/output/lat</property>
						<value>0</value>
					</equals>
					<equals>
						<property>/it-autoflight/input/trk</property>
						<value>0</value>
					</equals>
				</and>
			</condition>
			<property>/it-autoflight/input/hdg</property>
			<offset>
				<property>/it-autoflight/internal/heading-deg</property>
				<scale>-1.0</scale>
			</offset>
		</input>
		<input>
			<condition>
				<and>
					<equals>
						<property>/it-autoflight/output/lat</property>
						<value>0</value>
					</equals>
					<equals>
						<property>/it-autoflight/input/trk</property>
						<value>1</value>
					</equals>
				</and>
			</condition>
			<property>/it-autoflight/input/hdg</property>
			<offset>
				<property>/it-autoflight/internal/track-deg</property>
				<scale>-1.0</scale>
			</offset>
		</input>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/output/lat</property>
					<value>1</value>
				</equals>
			</condition>
			<expression>
				<sum>
					<property>/FMGC/flightplan[2]/current-leg-course</property>
					<product>
						<property>/it-autoflight/internal/drift-angle-deg</property>
						<value>-1.0</value>
					</product>
					<product>
						<property>/orientation/heading-deg</property>
						<value>-1.0</value>
					</product>
				</sum>
			</expression>
		</input>
		<input>0</input>
		<output>/it-autoflight/internal/heading-error-deg</output>
		<period>
			<min>-180</min>
			<max>180</max>
		</period>
	</filter>
	
	<filter>
		<name>Vertical Speed Sync</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<enable>
			<condition>
				<not-equals>
					<property>/it-autoflight/output/vert</property>
					<value>1</value>
				</not-equals>
			</condition>
		</enable>
		<input>
			<expression>
				<floor>
					<sum>
						<property>/it-autoflight/internal/vert-speed-fpm</property>
						<value>0.5</value>
					</sum>
				</floor>
			</expression>
		</input>
		<output>/it-autoflight/input/vs</output>
	</filter>
	
	<filter>
		<name>Vertical Speed Filter</name>
		<debug>false</debug>
		<type>noise-spike</type>
		<feedback-if-disabled>true</feedback-if-disabled>
		<initialize-to>output</initialize-to>
		<input>/it-autoflight/input/vs</input>
		<output>/it-autoflight/internal/vs</output>
		<max-rate-of-change>
			<condition>
				<and>
					<or>
						<equals>
							<property>/it-autoflight/output/ap1</property>
							<value>1</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/ap2</property>
							<value>1</value>
						</equals>
					</or>
					<equals>
						<property>/it-autoflight/output/vert</property>
						<value>1</value>
					</equals>
					<equals>
						<property>/gear/gear[1]/wow</property>
						<value>0</value>
					</equals>
					<equals>
						<property>/gear/gear[2]/wow</property>
						<value>0</value>
					</equals>
				</and>
			</condition>
			<value>300</value>
		</max-rate-of-change>
		<max-rate-of-change>2000</max-rate-of-change>
	</filter>
	
	<filter>
		<name>VS Abs</name>
		<type>gain</type>
		<gain>1.0</gain>
		<update-interval-secs>0.02</update-interval-secs>
		<input>
			<expression>
				<abs>
					<property>/it-autoflight/input/vs</property>
				</abs>
			</expression>
		</input>
		<output>/it-autoflight/input/vs-abs</output>
	</filter>
	
	<filter>
		<name>FPA Abs</name>
		<type>gain</type>
		<gain>1.0</gain>
		<update-interval-secs>0.02</update-interval-secs>
		<input>
			<expression>
				<abs>
					<property>/it-autoflight/input/fpa</property>
				</abs>
			</expression>
		</input>
		<output>/it-autoflight/input/fpa-abs</output>
	</filter>
	
	<filter>
		<name>Nav Error Deg</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<property>/instrumentation/nav[0]/radials/target-auto-hdg-deg</property>
			<offset>
				<property>/orientation/heading-deg</property>
				<scale>-1.0</scale>
			</offset>
		</input>
		<output>/it-autoflight/internal/nav-heading-error-deg</output>
		<period>
			<min>-180</min>
			<max>180</max>
		</period>
	</filter>
	
	<filter>
		<name>Nav Course Error Deg</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<property>/instrumentation/nav[0]/radials/selected-deg</property>
			<offset>
				<property>/orientation/track-magnetic-deg</property>
				<scale>-1.0</scale>
			</offset>
		</input>
		<output>/it-autoflight/internal/nav-course-track-error-deg</output>
		<period>
			<min>-180</min>
			<max>180</max>
		</period>
	</filter>
	
	<filter>
		<name>Internal Vertical Speed</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>/instrumentation/gps/indicated-vertical-speed</input>
		<output>/it-autoflight/internal/vert-speed-fpm</output>
	</filter>
	
	<filter>
		<name>Nav G/S FPM Calc</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input> <!-- Under 110ft glideslope data starts to become unusable -->
			<condition>
				<and>
					<or>
						<equals>
							<property>/it-autoflight/output/vert</property>
							<value>2</value>
						</equals>
						<equals>
							<property>/it-autoflight/output/vert</property>
							<value>6</value>
						</equals>
					</or>
					<less-than-equals>
						<property>/position/gear-agl-ft</property>
						<value>110</value>
					</less-than-equals>
				</and>
			</condition>
			<expression>
				<min>
					<property>/it-autoflight/internal/nav-rate-of-climb-fpm</property>
					<value>-500</value>
				</min>
			</expression>
		</input>
		<input>/instrumentation/nav[0]/gs-rate-of-climb-fpm</input>
		<output>/it-autoflight/internal/nav-rate-of-climb-fpm</output>
		<min>
			<condition>
				<not-equals>
					<property>/options/steep-ils</property>
					<value>1</value>
				</not-equals>
			</condition>
			<value>-1200</value>
		</min>
		<min>
			<condition>
				<equals>
					<property>/options/steep-ils</property>
					<value>1</value>
				</equals>
			</condition>
			<value>-2200</value>
		</min>
		<max>0</max>
	</filter>
	
	<filter>
		<name>Heading Predictor Stage 1</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/input/trk</property>
					<value>0</value>
				</equals>
			</condition>
			<expression>
				<sum>
					<div>
						<property>/orientation/roll-deg</property>
						<table>
							<property>/velocities/airspeed-kt</property>
							<entry><ind>140</ind><dep>1.8</dep></entry>
							<entry><ind>360</ind><dep>2.8</dep></entry>
						</table>
					</div>
					<property>/it-autoflight/internal/heading-deg</property>
				</sum>
			</expression>
		</input>
		<input>
			<condition>
				<equals>
					<property>/it-autoflight/input/trk</property>
					<value>1</value>
				</equals>
			</condition>
			<expression>
				<sum>
					<div>
						<property>/orientation/roll-deg</property>
						<table>
							<property>/velocities/airspeed-kt</property>
							<entry><ind>140</ind><dep>1.8</dep></entry>
							<entry><ind>360</ind><dep>2.8</dep></entry>
						</table>
					</div>
					<property>/it-autoflight/internal/track-deg</property>
				</sum>
			</expression>
		</input>
		<output>/it-autoflight/internal/heading-predicted-cmd</output>
	</filter>
	
	<filter>
		<name>Heading Predictor Stage 2</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<greater-than-equals>
					<property>/it-autoflight/internal/heading-predicted-cmd</property>
					<value>360.5</value>
				</greater-than-equals>
			</condition>
			<expression>
				<dif>
					<property>/it-autoflight/internal/heading-predicted-cmd</property>
					<value>360</value>
				</dif>
			</expression>
		</input>
		<input>
			<condition>
				<less-than>
					<property>/it-autoflight/internal/heading-predicted-cmd</property>
					<value>0.5</value>
				</less-than>
			</condition>
			<expression>
				<sum>
					<property>/it-autoflight/internal/heading-predicted-cmd</property>
					<value>360</value>
				</sum>
			</expression>
		</input>
		<input>/it-autoflight/internal/heading-predicted-cmd</input>
		<output>/it-autoflight/internal/heading-predicted</output>
	</filter>
	
	<filter>
		<name>Altitude Predictor</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<expression>
				<sum>
					<div>
						<property>/it-autoflight/internal/vert-speed-fpm</property>
						<value>5</value>
					</div>
					<property>/instrumentation/altimeter/indicated-altitude-ft</property>
				</sum>
			</expression>
		</input>
		<output>/it-autoflight/internal/altitude-predicted</output>
	</filter>
	
	<filter>
		<name>Internal FPA Computer</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<expression>
				<dif>
					<property>/orientation/pitch-deg</property>
					<property>/orientation/alpha-deg</property>
				</dif>
			</expression>
		</input>
		<output>/it-autoflight/internal/fpa</output>
	</filter>
	
	<!-- Flight Director -->
	<filter>
		<name>FD Target Roll Filter</name>
		<debug>false</debug>
		<type>noise-spike</type>
		<input>/it-autoflight/internal/target-roll-deg</input>
		<output>/it-autoflight/internal/target-roll-fd</output>
		<max-rate-of-change>
			<condition>
				<and>
					<not-equals>
						<property>/it-autoflight/output/fd1</property>
						<value>1</value>
					</not-equals>
					<not-equals>
						<property>/it-autoflight/output/fd1</property>
						<value>1</value>
					</not-equals>
				</and>
			</condition>
			<value>50</value>
		</max-rate-of-change>
		<max-rate-of-change>15</max-rate-of-change>
	</filter>
	
	<filter>
		<name>FD Roll</name>
		<debug>false</debug>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<expression>
				<difference>
					<property>/it-autoflight/internal/target-roll-fd</property>
					<property>/orientation/roll-deg</property>
				</difference>
			</expression>
		</input>
		<output>/it-autoflight/fd/roll-bar</output>
		<min>-30</min>
		<max>30</max>
	</filter>
	
	<filter>
		<name>FD Pitch</name>
		<debug>false</debug>
		<type>noise-spike</type>
		<input>
			<expression>
				<product>
					<difference>
						<property>/it-autoflight/internal/target-common-fpm</property>
						<property>/it-autoflight/internal/vert-speed-fpm</property>
					</difference>
					<table>
						<property>/velocities/airspeed-kt</property>
						<entry><ind>140</ind><dep>0.001848350</dep></entry>
						<entry><ind>360</ind><dep>0.000924175</dep></entry>
					</table>
				</product>
			</expression>
		</input>
		<output>/it-autoflight/fd/pitch-bar</output>
		<min>-15</min>
		<max>15</max>
		<max-rate-of-change>10</max-rate-of-change>
	</filter>
	
	<filter>
		<name>Accel Altitude</name>
		<type>gain</type>
		<gain>1.0</gain>
		<input>
			<condition>
				<or>
					<and>
						<equals>
							<property>/engines/engine[0]/state</property>
							<value>3</value>
						</equals>
						<not>
							<equals>
								<property>/engines/engine[1]/state</property>
								<value>3</value>
							</equals>
						</not>
					</and>
					<and>
						<not>
							<equals>
								<property>/engines/engine[0]/state</property>
								<value>3</value>
							</equals>
						</not>
						<equals>
							<property>/engines/engine[1]/state</property>
							<value>3</value>
						</equals>
					</and>
				</or>
			</condition>
			<expression>
				<property>/FMGC/internal/eng-out-reduc</property>
			</expression>
		</input>
		<input>
			<expression>
				<property>/FMGC/internal/accel-agl-ft</property>
			</expression>
		</input>
		<output>/it-autoflight/settings/accel-agl-ft</output>
	</filter>
 
</PropertyList>