gfx/minigames/build.sh

   1 #!/bin/bash
   2
   3 CONVERT=convert
   4 SED="sed -r"
   5 MKDIR="mkdir -p"
   6
   7 OUT_DIR=/tmp/minigames
   8 JPEG_QUALITY=75
   9 TEXTURE_SIZE=2048
  10 FORMAT=png
  11
  12 # Converts images into $FORMAT
  13 # Synopsis: convert_image input.png output
  14 # Genreates output.jpg and output_alpha.jpg
  15 function convert_image()
  16 {
  17         local covert_flags="-layers flatten"
  18         if [ "$FORMAT" = "jpg" ]
  19         then
  20                 covert_flags="$covert_flags -quality $JPEG_QUALITY"
  21         fi
  22         convert -background none "$1" $covert_flags "$2.$FORMAT"
  23         if [ "$FORMAT" = "jpg" ]
  24         then
  25                 convert -background none "$1" $covert_flags -alpha Extract "$2_alpha.jpg"
  26         fi
  27 }
  28
  29 # Ensure that the output jpg are of the appropriate size
  30 # Synopsis: scale_image output
  31 # Where "output" is the same as $2 in convert_image
  32 function scale_image()
  33 {
  34         let max_w=$TEXTURE_SIZE
  35
  36         if echo -n "$1" | grep -q ".*/piece.*"
  37         then
  38                 let max_w/=4
  39         fi
  40
  41         if [ "$max_w" -gt 0 ]
  42         then
  43                 let img_w=$(identify -format %w "$1.$FORMAT")
  44                 if [ "$img_w" -gt "$max_w" ]
  45                 then
  46                         local scale=$(echo "scale=10; $max_w/$img_w*100" | bc)
  47                         convert "$1.$FORMAT" -resize "$scale%" "$1.$FORMAT"
  48                         if [ "$FORMAT" = "jpg" ]
  49                         then
  50                                 convert "$1_alpha.jpg" -resize "$scale%" "$1_alpha.jpg"
  51                         fi
  52                 fi
  53         fi
  54 }
  55
  56 # Create the files for packaging
  57 function generate()
  58 {
  59         for src_file in $(git ls-files)
  60         do
  61                 local out_dir="$OUT_DIR/gfx/hud/default/"
  62                 local out_file="$out_dir/$src_file"
  63                 $MKDIR "$out_dir/$(dirname "$src_file")"
  64
  65                 local file_extension="$(echo "$src_file" | sed -r "s/^(.*)\.([^.]+)$/\2/")"
  66                 local base_file="$(echo "$out_file" | sed -r "s/^(.*)\.([^.]+)$/\1/")"
  67
  68                 if echo -n "$file_extension" | grep -Eq "^(png|svg|tga|xcf)$" &&
  69                         [ "$file_extension" != "$FORMAT" ]
  70                 then
  71                         out_file="$base_file.$FORMAT"
  72                         echo "$base_file"
  73                         if [ "$src_file" -nt "$out_file" ]
  74                         then
  75                                 echo -e "Compressing \x1b[1m$src_file\x1b[0m"
  76                                 convert_image "$src_file" "$base_file"
  77                                 scale_image "$base_file"
  78                                 continue
  79                         fi
  80                 elif [ "$src_file" -nt "$out_file" ]
  81                 then
  82                         echo -e "Copying \x1b[1m$src_file\x1b[0m"
  83                         cp -T "$src_file" "$out_file"
  84                         continue
  85                 fi
  86
  87                 echo -e "Skipping \x1b[1m$src_file\x1b[0m"
  88
  89         done
  90 }
  91
  92 SYSTEM_NAME=$(uname)
  93 if [ "$SYSTEM_NAME" = Darwin -o "$SYSTEM_NAME" = FreeBSD ]
  94 then
  95         SED="sed -E"
  96 fi
  97
  98
  99 $MKDIR "$OUT_DIR"
 100
 101
 102 while [ "$1" ]
 103 do
 104         case $1 in
 105                 help|-h|--help)
 106                         echo TODO
 107                         exit
 108                         ;;
 109                 clean)
 110                         echo -e "Removing old files"
 111                         [ -n "$OUT_DIR" -a -e "$OUT_DIR" ] && rm -rf "$OUT_DIR"
 112                         ;;
 113                 *)
 114                         echo 1>&2 "Unknown option: $1"
 115                         ;;
 116         esac
 117         shift
 118 done
 119
 120 generate