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| -rw-r--r-- | mapGen/README.md | 22 | ||||
| -rwxr-xr-x | mapGen/mapGen.sh | 17 |
2 files changed, 23 insertions, 16 deletions
diff --git a/mapGen/README.md b/mapGen/README.md index 242b5d4..10078e2 100644 --- a/mapGen/README.md +++ b/mapGen/README.md @@ -15,7 +15,7 @@ xxxxx ## Dependencies - A POSIX-compliant shell (`bash`, `dash`, `sh`, `zsh`) -- ImageMagick +- [ImageMagick](https://imagemagick.org/index.php) - Tools expected in a Unix environment: `grep`, `sed`, `awk` ## Motivation @@ -26,10 +26,11 @@ The want for Vim to be a map maker. Given a text file in which each character represents a cell, have a script draw that map. -`mapGen.sh` takes as input a text file with a block of text which ideally has a block of characters -with no missing ones. It also takes a folder in which tile images are supposed to be. For each -character in the file, it randomly takes one image in that folder which name starts with that -characters and creates an image from the text file. +`mapGen.sh` takes as input a text file which ideally has a block of characters of any size but of +rectangular shape with no missing ones. It also takes a folder in which tile images are supposed to +be. For each character in the file it randomly takes one image in that folder which name starts +with that character and composes it into the map image with the help of the `convert` command from +ImageMagick. ## Examples @@ -71,12 +72,15 @@ XXXXXXXXXooXXXXXXXXX ## Usage ``` -mapGen.sh [-s SIZE] [-f TILE_FOLDER] SOURCE_FILE +mapGen.sh [-s SIZE] [-f TILE_FOLDER] [-o OUTPUT_FILE] SOURCE_FILE ``` -Where `SIZE` is the size of the tile images in pixels (default 8), `TILE_FOLDER` is the folder -where the tile images are stored (default `./tiles`) and `SOURCE_FILE` is the text file with the -layout of the map. +Where + +- `SIZE` is the size of the tile images in pixels (default 8), +- `TILE_FOLDER` is the folder where the tile images are stored (default `./tiles`), +- `OUTPUT_FILE` is the path to the resulting image (default `out.jpg`), +- and `SOURCE_FILE` is the text file with the layout of the map. ## Possibilities diff --git a/mapGen/mapGen.sh b/mapGen/mapGen.sh index bf4bac3..0d77637 100755 --- a/mapGen/mapGen.sh +++ b/mapGen/mapGen.sh @@ -4,13 +4,12 @@ # # Generate a map with ImageMagick from an input text file # -# Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] SOURCE_FILE - -usageMsg="Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] SOURCE_FILE" +# Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] [-o OUTPUT_FILE] SOURCE_FILE +usageMsg="Usage: mapGen.sh [-s SIZE] [-f TILE_FOLDER] [-o OUTPUT_FILE] SOURCE_FILE" cellSize=8 - tilesDir="./tiles" +outputFile="out.jpg" while echo "$1" | grep '^-' >/dev/null; do case "$1" in @@ -24,6 +23,10 @@ while echo "$1" | grep '^-' >/dev/null; do tilesDir="$2" shift 2 ;; + "-o") + [ -z "$2" ] && echo "Missing argument for -o. $usageMsg" >&2 && exit 1 + outputFile="$2" + shift 2 esac done @@ -42,7 +45,7 @@ width=$((width*cellSize)) echo $width $height -convert -size "$width"x"$height" xc:cyan out.jpg +convert -size "$width"x"$height" xc:cyan "$outputFile" row=0 col=0 @@ -53,8 +56,8 @@ while read line; do 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 || - convert out.jpg -fill red -draw "point $col,$row" out.jpg + convert "$outputFile" "$tileFile" -geometry +"$col"+"$row" -composite "$outputFile" || + convert "$outputFile" -fill red -draw "point $col,$row" "$outputFile" col=$((col+cellSize)) done) row=$((row+cellSize)) |