From 08efbd62ef956327924aaea1fcfa97fde4dc1678 Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Wed, 1 Nov 2023 19:26:09 +0100
Subject: Reworked moves and transformations, moved some stuff

---
 utils/gentranscode.sh   | 47 +++++++++++++++++++++++++++++++++++++----------
 utils/gentransswitch.sh |  8 ++++++++
 2 files changed, 45 insertions(+), 10 deletions(-)
 create mode 100755 utils/gentransswitch.sh

(limited to 'utils')

diff --git a/utils/gentranscode.sh b/utils/gentranscode.sh
index f820d7c..63888c6 100755
--- a/utils/gentranscode.sh
+++ b/utils/gentranscode.sh
@@ -3,15 +3,42 @@
 gcc -DDEBUG h48_to_src.c ../src/cube.c -o h48_to_src
 gcc -DDEBUG invert.c ../src/cube.c -o invert
 
-for f in transform_??_???.txt; do
-	trans="$(echo $f | sed 's/.*_// ; s/\.txt//')"
-	printf '[%s] = ' "$trans"
-	if [ "$1" = "-i" ]; then
-		./invert <"$f" | ./h48_to_src
-	else
-		./h48_to_src <"$f"
-	fi
-	printf ',\n'
-done
+# Old version
+genarray() {
+	for f in transform_??_???.txt; do
+		trans="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+		printf '[%s] = ' "$trans"
+		if [ "$1" = "-i" ]; then
+			./invert <"$f" | ./h48_to_src
+		else
+			./h48_to_src <"$f"
+		fi
+		printf ',\n'
+	done
+}
 
+genfuncs() {
+	for f in transform_??_???.txt; do
+		trans="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+		printf 'static inline cube_t\ninline_trans_%s' "$trans"
+		[ "$1" = "-i" ] && printf '_inverse'
+		printf '(cube_t c)\n{\n'
+		printf '\tcube_t ret;\n'
+		printf '\tcube_t tn = {\n'
+		./h48_to_src <"$f" | sed 's/^/\t/' | \
+			tail -n 3 | head -n 2
+		printf '\t};\n\tcube_t ti = {\n'
+		./invert <"$f" | ./h48_to_src | sed 's/^/\t/' | \
+			tail -n 3 | head -n 2
+		printf '\t};\n\n'
+		printf '\tret = compose(tn, c);\n'
+		printf '\tret = compose(ret, ti);\n'
+		if [ -n "$(echo "$trans" | grep "m")" ]; then
+			printf '\tret = flipallcorners(ret);\n'
+		fi
+		printf '\n\treturn ret;\n}\n\n'
+	done
+}
+
+genfuncs
 rm -f h48_to_src invert
diff --git a/utils/gentransswitch.sh b/utils/gentransswitch.sh
new file mode 100755
index 0000000..6883973
--- /dev/null
+++ b/utils/gentransswitch.sh
@@ -0,0 +1,8 @@
+#!/bin/sh
+
+printf '\tswitch (t) {\n'
+for f in transform_??_???.txt; do
+	t="$(echo $f | sed 's/.*_// ; s/\.txt//')"
+	printf '\tcase %s:\n\t\treturn inline_trans_%s(c);\n' "$t" "$t"
+done
+printf '\t}\n'
-- 
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