misc/tools/shadescript/shade.sh

   1 #!/bin/sh
   2
   3 case "$#" in
   4         2)
   5                 ;;
   6         *)
   7                 echo "Usage: from xonotic-maps.pk3dir directory, copy and edit shader.template, then"
   8                 echo "  $0 texturepackname myshader.template"
   9                 exit 1
  10                 ;;
  11 esac
  12
  13 LF="
  14 "
  15
  16 exec 3>"scripts/$1.shader"
  17 template=`cat "$2"`
  18
  19 find "textures/$1" -type f -path "textures/*/*/*.*" -not -name '*_norm.*' -not -name '*_glow.*' -not -name '*_gloss.*' -not -name '*_reflect.*' -not -name '*.xcf' | while IFS= read -r F; do
  20         F=${F%.*}
  21
  22         noLightmap=false
  23         isLiquid=false
  24         isTransparent=false
  25         bounceScale=1.00
  26         shaderString="$template"
  27         shaderHead=
  28         shaderTail=
  29         shaderQUI=
  30         shaderDiffuse=
  31         diffuseExtra=
  32
  33         case "$F" in
  34                 *decal*)
  35                         noLightmap=true
  36                         ;;
  37         esac
  38
  39         # material type
  40         case "$F" in
  41                 *water*)
  42                         noLightmap=true
  43                         isLiquid=true
  44                         shaderHead="$shaderHead surfaceparm trans\n     surfaceparm water\n     qer_trans 20\n"
  45                         ;;
  46                 *slime*)
  47                         noLightmap=true
  48                         isLiquid=true
  49                         shaderHead="$shaderHead surfaceparm trans\n     surfaceparm slime\n     qer_trans 20\n"
  50                         ;;
  51                 *lava*)
  52                         noLightmap=true
  53                         isLiquid=true
  54                         shaderHead="$shaderHead surfaceparm trans\n     surfaceparm lava\n      qer_trans 20\n"
  55                         ;;
  56                 *glass*)
  57                         noLightmap=true
  58                         shaderHead="$shaderHead surfaceparm trans\n"
  59                         diffuseExtra="$diffuseExtra             blendfunc add\n"
  60                         ;;
  61                 *metal*)
  62                         bounceScale=`echo "$bounceScale + 0.25" | bc -l`
  63                         shaderHead="$shaderHead         surfaceparm metalsteps\n"
  64                         ;;
  65         esac
  66
  67         # what is it used for
  68         case "$F" in
  69                 *grate*)
  70                         bounceScale=`echo "$bounceScale + 0.25" | bc -l`
  71                         shaderHead="$shaderHead surfaceparm trans\n"
  72                         diffuseExtra="$diffuseExtra             blendfunc blend\n"
  73                         ;;
  74         esac
  75
  76         # further properties
  77         case "$F" in
  78                 *shiny*)
  79                         bounceScale=`echo "$bounceScale + 0.25" | bc -l`
  80                         ;;
  81         esac
  82         case "$F" in
  83                 *dirt*|*terrain*|*old*)
  84                         bounceScale=`echo "$bounceScale - 0.25" | bc -l`
  85                         shaderHead="$shaderHead surfaceparm dust\n"
  86                         ;;
  87         esac
  88
  89         shaderDiffuse="$F"
  90         if [ -f "$F""_gloss.tga" ] || [ -f "$F""_gloss.jpg" ] || [ -f "$F""_gloss.png" ]; then
  91                 bounceScale=`echo "$bounceScale - 0.25" | bc -l`
  92         fi
  93
  94         if [ -f "$F""_qei.tga" ] || [ -f "$F""_qei.jpg" ] || [ -f "$F""_qei.png" ]; then
  95                 shaderQUI="$F""_qei"
  96         else
  97                 shaderQUI="$F"
  98         fi
  99
 100         if ! $noLightmap; then
 101                 shaderTail="    {\n             map \$lightmap\n                rgbGen identity\n               tcGen lightmap\n                blendfunc filter\n      }"
 102         fi
 103         case "$bounceScale" in
 104                 1|1.0|1.00)
 105                         ;;
 106                 *)
 107                         shaderHead="$shaderHead q3map_bouncescale $bounceScale\n"
 108                         ;;
 109         esac
 110
 111         shaderName="`echo "$F" | cut -d / -f 1-2`/`echo "$F" | cut -d / -f 3`-`echo "$F" | cut -d / -f 4`"
 112         echo "$shaderString$LF$LF" | sed -e "
 113                 s,%shader_name%,$shaderName,g;
 114                 s,%qei_name%,$shaderQUI,g;
 115                 s,%shader_head%,$shaderHead,g;
 116                 s,%diffuse_map%,$shaderDiffuse,g;
 117                 s,%diffuse_map_extra%,$diffuseExtra,g;
 118                 s,%shader_tail%,$shaderTail,g;
 119         " >&3
 120 done