From 0c6082674f0111d18ba82681c8f42a334230e08a Mon Sep 17 00:00:00 2001
From: Rudolf Polzer <divverent@alientrap.org>
Date: Sun, 26 Sep 2010 16:23:34 +0200
Subject: [PATCH] add a shell script port of shade.vbs

---
 misc/tools/shadescript/shade.sh | 119 ++++++++++++++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 misc/tools/shadescript/shade.sh

diff --git a/misc/tools/shadescript/shade.sh b/misc/tools/shadescript/shade.sh
new file mode 100644
index 0000000..7533002
--- /dev/null
+++ b/misc/tools/shadescript/shade.sh
@@ -0,0 +1,119 @@
+#!/bin/sh
+
+case "$#" in
+	2)
+		;;
+	*)
+		echo "Usage: $1 directory shader.template"
+		exit 1
+		;;
+esac
+
+LF="
+"
+
+exec 3>"scripts/$1.shader"
+template=`cat "$2"`
+
+find "textures/$1" -type f -path "textures/*/*/*.*" -not -name '*_norm.*' -not -name '*_glow.*' -not -name '*_gloss.*' -not -name '*_reflect.*' -not -name '*.xcf' | while IFS= read -r F; do
+	F=${F%.*}
+
+	noLightmap=false
+	isLiquid=false
+	isTransparent=false
+	bounceScale=1.00
+	shaderString="$template"
+	shaderHead=
+	shaderTail=
+	shaderQUI=
+	shaderDiffuse=
+	diffuseExtra=
+
+	case "$F" in
+		*decal*)
+			noLightmap=true
+			;;
+	esac
+
+	# material type
+	case "$F" in
+		*water*)
+			noLightmap=true
+			isLiquid=true
+			shaderHead="$shaderHead	surfaceparm trans\n	surfaceparm water\n	qer_trans 20\n"
+			;;
+		*slime*)
+			noLightmap=true
+			isLiquid=true
+			shaderHead="$shaderHead	surfaceparm trans\n	surfaceparm slime\n	qer_trans 20\n"
+			;;
+		*lava*)
+			noLightmap=true
+			isLiquid=true
+			shaderHead="$shaderHead	surfaceparm trans\n	surfaceparm lava\n	qer_trans 20\n"
+			;;
+		*glass*)
+			noLightmap=true
+			shaderHead="$shaderHead	surfaceparm trans\n"
+			diffuseExtra="$diffuseExtra		blendfunc add\n"
+			;;
+		*metal*)
+			bounceScale=`echo "$bounceScale + 0.25" | bc -l`
+			shaderHead="$shaderHead		surfaceparm metalsteps\n"
+			;;
+	esac
+
+	# what is it used for
+	case "$F" in
+		*grate*)
+			bounceScale=`echo "$bounceScale + 0.25" | bc -l`
+			shaderHead="$shaderHead	surfaceparm trans\n"
+			diffuseExtra="$diffuseExtra		blendfunc blend\n"
+			;;
+	esac
+
+	# further properties
+	case "$F" in
+		*shiny*)
+			bounceScale=`echo "$bounceScale + 0.25" | bc -l`
+			;;
+	esac
+	case "$F" in
+		*dirt*|*terrain*|*old*)
+			bounceScale=`echo "$bounceScale - 0.25" | bc -l`
+			shaderHead="$shaderHead	surfaceparm dust\n"
+			;;
+	esac
+
+	shaderDiffuse="$F"
+	if [ -f "$F""_gloss.tga" ] || [ -f "$F""_gloss.jpg" ] || [ -f "$F""_gloss.png" ]; then
+		bounceScale=`echo "$bounceScale - 0.25" | bc -l`
+	fi
+
+	if [ -f "$F""_qei.tga" ] || [ -f "$F""_qei.jpg" ] || [ -f "$F""_qei.png" ]; then
+		shaderQUI="$F""_qei"
+	else
+		shaderQUI="$F"
+	fi
+
+	if ! $noLightmap; then
+		shaderTail="	{\n		map \$lightmap\n		rgbGen identity\n		tcGen lightmap\n		blendfunc filter\n	}"
+	fi
+	case "$bounceScale" in
+		1|1.0|1.00)
+			;;
+		*)
+			shaderHead="$shaderHead	q3map_bouncescale $bounceScale\n"
+			;;
+	esac
+
+	shaderName="`echo "$F" | cut -d / -f 1-2`/`echo "$F" | cut -d / -f 3`-`echo "$F" | cut -d / -f 4`"
+	echo "$shaderString$LF$LF" | sed -e "
+		s,%shader_name%,$shaderName,g;
+		s,%qei_name%,$shaderQUI,g;
+		s,%shader_head%,$shaderHead,g;
+		s,%diffuse_map%,$shaderDiffuse,g;
+		s,%diffuse_map_extra%,$diffuseExtra,g;
+		s,%shader_tail%,$shaderTail,g;
+	" >&3
+done