shellchecked

robocode-svm

@@ -1,114 +1,115 @@
 #!/usr/bin/env bash
 
 set -u
-# set -x
+#set -x
 
 # File locations
-datadir="data"
+dir=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
+datadir="$dir/data"
 results="$datadir/battle.data"
 settings="$datadir/settings.last.battle"
 training="$datadir/training.scale.data"
 testing="$datadir/testing.scale.data"
 
 # Battle parameters
-rounds=1000
+rounds=6
 width=500
 height=500
 robot1="sample.Corners"
 robot2="sample.Fire"
 
-# Delete the battle data so the will get freshly generated
-flush_battle_data() {
-	rm -f "$datadir/*"
-	touch "$results"
-}
-
-# Help function
-show_help() {
-	echo "USAGE: robocode-svm OPTIONS"
-	echo "  -v, --visualize		Shows visual run of the battle"
-	echo "  -x			The x coordinate of the second robot, used with -v"
-	echo "  -y			The y coordinate of the second robot, used with -v"
-	echo "  -a, --accuracy		Only show the accuracy of the SVM prediction"
-	echo "  -c, --clean		Clean run (deletes everything inside data folder)"
-	echo "  -h, --help		Show this help"
-}
-
-# Run battle without GUI, following the settings file, and returning the lines containing winners
-run_battle() {
-	robocode -nodisplay -battle "$settings" | tail -2;
-}
-
-
 # Prepare the data directory
 mkdir -p "$datadir/";
 
+# Iterate over arguments
 while :; do
-	case $1 in
+	# If there are any
-		# Regenerate data files
+	if [ $# -gt 0 ] ; then
-		-c|--clean)
+		case $1 in
-			flush_battle_data
+			# Regenerate data files
+			-c|--clean)
+			rm -rf "$datadir"
 			;;
-		# Call a "show_help" function to display a synopsis, then exit.
+			# Call a "show_help" function to display a synopsis, then exit.
-		-h|-\?|--help)   
+			-h|-\?|--help)   
-			show_help
+			echo "Generate the data required for SVM classification."
+			echo "USAGE: robocode-svm [OPTION] [COORDINATES]"
+			echo "  -v, --visualize	Shows visual run of the battle"
+			echo "  -x			The x coordinate of the second robot, used with -v"
+			echo "  -y			The y coordinate of the second robot, used with -v"
+			echo "  -a, --accuracy	Only show the accuracy of the SVM prediction"
+			echo "  -c, --clean		Regenerate the battle data (may take a very long time)"
+			echo "  -h, --help		Show this help"
 			exit
 			;;
-
+			# Just accuracy
-		# Unrecognized parameter
+			#-a|--accuracy)
-		-?*)
+			#show_accuracy
+			#exit
+			#;;
+			# Unrecognized parameter
+			-?*)
 			printf 'WARNING: Unknown option (ignored): %s\n' "$1" >&2
 			;;
-		# Default case: If no more options then break out of the loop.
+			# Default case: If no more options then break out of the loop.
-		*)               
+			*)               
 			break
 	esac
 
 	# "command" reduces the chance of fatal errors in many shells.
 	command shift        
+else
+	break
+fi
 done
 
 
-
+# Generate the battle data (run 1000 battles) for a SVM classification
-# Repeat the battle desired number of times
+# If the data file has required amount if data
-for i in $(seq 1 $rounds);
+lines=$(wc -l < "$results")
-do
+if [[ "$lines" -eq "$rounds" ]] ; then
-	# Generate input parameters
+	echo "Data are already generated."
-	number=$RANDOM; let "number %= $width"; x=$number
+else
-	number=$RANDOM; let "number %= $height"; y=$number
+	# Repeat the battle desired number of times (till the battle data file does not contain $rounds entries
-	number=$RANDOM; let "number %= 360"; alpha=$number
+	echo "Generating the data for SVM predition. Depending on the machine, this may take very long time."
-
+	delta=$((rounds - lines))
-	# Write current settings to a file; first robot starts in the middle, with fixed gun angle;
+	for ((i = 1; i <= "$delta"; i++)) ; do
-	# the other one start at random known position, with random known gun angle
+		# Generate input parameters
-	echo "#Battle Properties
+		number=$RANDOM; let "number %= $width"; x=$number
-robocode.battleField.width=$width
+		number=$RANDOM; let "number %= $height"; y=$number
-robocode.battleField.height=$height
+		number=$RANDOM; let "number %= 360"; alpha=$number
-robocode.battle.numRounds=1
+
-robocode.battle.gunCoolingRate=0.07
+		# Write current settings to a file; first robot starts in the middle, with fixed gun angle;
-robocode.battle.rules.inactivityTime=450
+		# the other one start at random known position, with random known gun angle
-robocode.battle.selectedRobots=$robot1,$robot2
+		{
-robocode.battle.initialPositions=($((width/2)),$((height/2)),0),($x,$y,$alpha)" > "$settings"
+			echo "#Battle Properties" 
-
+			echo "robocode.battleField.width=$width" 
-	# If the robots are of the same name
+			echo "robocode.battleField.height=$height"
-	if [ "$robot1" == "$robot2" ] ; then
+			echo "robocode.battle.numRounds=1"
-		# Their order number is in the bracket after the name
+			echo "robocode.battle.gunCoolingRate=0.07"
-		winner=$(run_battle | awk 'NR==1 {print substr($3,2,1)}') 
+			echo "robocode.battle.rules.inactivityTime=450"
-	else
+			echo "robocode.battle.selectedRobots=$robot1,$robot2"
-		# Otherwise we need to match the actual names
+			echo "robocode.battle.initialPositions=($((width/2)),$((height/2)),0),($x,$y,$alpha)" 
-		winner=$(run_battle | awk 'NR==1F {print $2}') 
+		} > "$settings"
+
+		# Run battle without GUI, following the settings file, and returning the lines containing winners
+		winner=$(robocode -nodisplay -battle "$settings" | tail -2| awk 'NR==1F {print $2}') 
 		if [ "$winner" == "$robot1" ] ; then
 			winner=1
 		else
 			winner=2
 		fi
-	fi
 
-	# Inform user about the winner of current round and append the results to the file
+		# Append the result of the battle to the battle data file
-	echo "Round $i winner: $winner"
+		echo "$winner 1:$x 2:$y 3:$alpha" >> "$results"
-	# echo "$winner 1:$x 2:$y" >> "$results"
+		# Print a dot to infrom user tht something is happening
-	echo "$winner 1:$x 2:$y 3:$alpha" >> "$results"
+		printf "."
-done
+	done
+	printf "\nData generation successful.\n"
+fi
+
 
+# Calculate and print the acuuracy of classification, given the test sample
 # Calculate the lines needed to split the data to 90% and 10%
 tr=$(bc <<< "scale=0; $rounds * 0.9 / 1");
 te=$(bc <<< "scale=0; ($rounds - $tr) / 1");
@@ -117,3 +118,4 @@ te=$(bc <<< "scale=0; ($rounds - $tr) / 1");
 # misuse tee for 'process substituion' and send its stdout do /dev/null
 svm-scale -l 0 -u 1 "$results" | tee  >(head -n "$tr" > "$training") >(tail -n "$te" > "$testing") > /dev/null
 
+