From dffcc04d93ea8aa1331f8bb3dbb97875f84e0926 Mon Sep 17 00:00:00 2001
From: InigoGutierrez <inigogf.95@gmail.com>
Date: Sun, 17 May 2020 21:05:36 +0200
Subject: Organized mapGen.sh

---
 mapGen/mapGen.sh | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

(limited to 'mapGen/mapGen.sh')

diff --git a/mapGen/mapGen.sh b/mapGen/mapGen.sh
index 1be77f7..bf4bac3 100755
--- a/mapGen/mapGen.sh
+++ b/mapGen/mapGen.sh
@@ -3,13 +3,37 @@
 # mapGen.sh
 #
 # Generate a map with ImageMagick from an input text file
+#
+# Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] SOURCE_FILE
 
-inputFile="$1"
+usageMsg="Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] SOURCE_FILE"
 
 cellSize=8
 
 tilesDir="./tiles"
 
+while echo "$1" | grep '^-' >/dev/null; do
+	case "$1" in
+		"-s")
+			[ -z "$2" ] && echo "Missing argument for -s. $usageMsg" >&2 && exit 1
+			cellSize="$2"
+			shift 2
+			;;
+		"-f")
+			[ -z "$2" ] && echo "Missing argument for -f. $usageMsg" >&2 && exit 1
+			tilesDir="$2"
+			shift 2
+			;;
+	esac
+done
+
+[ -z "$1" ] && echo "$usageMsg" >&2 && exit 1
+
+inputFile="$1"
+
+[ ! -f "$inputFile" ] && echo "File not found: $inputFile" >&2 && exit 1
+[ ! -d "$tilesDir" ] && echo "Directory not found: $tilesDir" >&2 && exit 1
+
 height="$(wc -l <"$inputFile")"
 width="$(awk '{print length($0)}' "$inputFile" | sort -nr | sed 1q)"
 
@@ -26,7 +50,7 @@ col=0
 while read line; do
 	echo "$line" | (
 	while read -n1 char; do
-		tileFile="$(find $tilesDir | sed 's|.*/||' | grep "^$char")"
+		tileFile="$(find $tilesDir | sed 's|.*/||' | grep "^$char" | shuf | sed 1q)"
 		tileFile="${tilesDir}/${tileFile}"
 		echo "$tileFile" | wc -l | grep 1 >/dev/null || continue
 		convert out.jpg "$tileFile" -geometry +"$col"+"$row" -composite out.jpg ||
-- 
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