make-bsnes-shaders

   1 #!/bin/sh
   2 set -e
   3
   4 BASEDIR=$(dirname "$0")
   5 INPUT="$BASEDIR/shaders"
   6 OUTPUT="$BASEDIR/bsnes-shaders"
   7
   8 available_shaders() {
   9         find "$INPUT" -type f -name '*.shader' |
  10         while read -r SHADERFILE; do
  11                 # Grab the name of the shader
  12                 SHADERNAME=$(basename "$SHADERFILE" .shader)
  13
  14                 # Grab the version of the shader
  15                 TEMP=$(dirname "$SHADERFILE")
  16                 SHADERVERSION=${TEMP##*/}
  17
  18                 # Grab the target of the shader.
  19                 TEMP=${TEMP%/*}
  20                 SHADERTARGET=${TEMP##*/}
  21
  22                 printf "%s\t%s\t%s\n" "$SHADERTARGET" "$SHADERVERSION" "$SHADERNAME"
  23         done
  24 }
  25
  26 filter_shaders() {
  27         (
  28                 IFS=$(printf "\t")
  29                 while read -r TARGET VERSION NAME; do
  30                         # bsnes v082 only understands v1.0 shaders.
  31                         if [ "$VERSION" != "v1.0" ] ; then
  32                                 continue
  33                         fi
  34
  35                         printf "%s\t%s\t%s\n" "$TARGET" "$VERSION" "$NAME"
  36                 done
  37         )
  38 }
  39
  40 mkdir -p "$OUTPUT"
  41
  42 available_shaders | filter_shaders | (
  43         IFS=$(printf "\t")
  44         while read -r TARGET VERSION NAME; do
  45                 cp "$INPUT/$TARGET/$VERSION/$NAME.shader" "$OUTPUT/$NAME.$TARGET.shader"
  46         done
  47 )
  48
  49 echo "bsnes compatible shaders are now in $OUTPUT"