day 20 part 2 (bash): final version

This commit is contained in:
2021-07-28 16:38:42 +02:00
parent 44c9d00b85
commit fbb553645e
4 changed files with 34 additions and 412 deletions

View File

@@ -1,78 +1,28 @@
#!/usr/bin/bash
print_tile() {
local -i t=$1
# shellcheck disable=SC2206
local -a src=(${strings[$t]})
printf "%s\n" "${src[@]}"
}
print_final() {
local k str
local -i l len r c
local -a tile
str=${strings[0]%% *}
len=${#str}
printf "print_final: len=%d\n" "$len"
for ((r=0; r<SQUARE; ++r)); do
for ((l=0; l<len; ++l)); do # each line
for ((c=0; c<SQUARE; ++c)); do
k=${FINAL[$r,$c]}
# shellcheck disable=SC2206
tile=(${strings[$k]})
str=${tile[$l]}
printf "%s " "$str"
done
printf "\n"
done
printf "\n"
done
}
assemble_final() {
local k str
local -i l len r c
local -a tile
str=${strings[0]%% *}
len=${#str}
for ((r=0; r<SQUARE; ++r)); do
for ((l=0; l<len; ++l)); do # each line
for ((c=0; c<SQUARE; ++c)); do
k=${FINAL[$r,$c]}
# shellcheck disable=SC2206
tile=(${strings[$k]})
str=${tile[$l]}
printf "%s " "$str"
done
printf "\n"
done
printf "\n"
done
}
rotate_final() {
local -i i j len
local -a new
local line
len=${#finalfoo[@]}
printf "rotate foo. len=%d\n" "$len"
len=${#final[@]}
for ((i=len-1; i>=0; --i)); do
line=${finalfoo[$i]}
line=${final[$i]}
for ((j=0; j<len; ++j)); do
new[$j]+=${line:$j:1}
done
#dst+=("$str2")
done
finalfoo=("${new[@]}")
final=("${new[@]}")
}
flipv_final() {
local -i i len
local -a dst
len=${#finalfoo[@]}
len=${#final[@]}
for ((i=0; i<len; ++i)); do
dst[$((len-1-i))]=${finalfoo[$i]}
dst[$((len-1-i))]=${final[$i]}
done
finalfoo=("${dst[@]}")
final=("${dst[@]}")
}
fliph_final() {
@@ -81,16 +31,16 @@ fliph_final() {
local -a dst
local str1 str2
len=${#finalfoo[@]}
len=${#final[@]}
for ((i=0; i<len; ++i)); do
str1=${finalfoo[$i]}
str1=${final[$i]}
str2=""
for ((j=len-1; j>=0; --j)); do
str2+=${str1:$j:1}
done
dst+=("$str2")
done
finalfoo=("${dst[@]}")
final=("${dst[@]}")
}
final_add() {
@@ -99,10 +49,7 @@ final_add() {
local -a src=(${strings[$2]})
for ((r=1, t=$((start*8)); r<9; ++r, t++)); do
printf "adding tile %d row %d to final %d\n" "$2" "$r" "$t"
printf " %s -> " "${finalfoo[$t]}"
finalfoo[$t]+=${src[$r]:1:8}
printf "%s\n" "${finalfoo[$t]}"
final[$t]+=${src[$r]:1:8}
done
}
@@ -116,7 +63,6 @@ trim_borders() {
s=${s#* }
s=${s% * }
strings[$k]="$s"
#printf "%s\n" "${strings[$k]}"
done
}
@@ -235,73 +181,46 @@ flip() {
_r+=${str:$i:1}
done
}
print_all_borders() {
local k str
local -i i
for ((i=0; i<${#strings[@]}; ++i)); do
top str "${strings[$i]}"
printf "%s\n" "$str"
right str "${strings[$i]}"
printf "%s\n" "$str"
bottom str "${strings[$i]}"
printf "%s\n" "$str"
left str "${strings[$i]}"
printf "%s\n" "$str"
done
}
# transform $2 tile to match $1 on left
attach_left() {
local _l="$1"
local -i t="$2" m=0
local s
printf "matching left %s for tile:\n" "$_l"
print_tile "$t"
for s in ${T[$t]} ${R[$t]} ${B[$t]} ${L[$t]} \
${RT[$t]} ${RR[$t]} ${RB[$t]} ${RL[$t]}; do
printf "%d: %s\n" "$m" "$s"
if [[ "$s" == "$_l" ]]; then
echo "attach_left: count=$m"
break
fi
((m++))
done
case $m in
0) # top
printf "match=top\n"
r270 "$t"
flip_v "$t"
;;
1) # right
printf "match=right\n"
flip_h "$t"
;;
2) # bottom
printf "match=bottom\n"
r90 "$t"
;;
3) # left
printf "match=left\n"
;;
4) # rev top
printf "match=rev top\n"
r270 "$t"
;;
5) # rev right
printf "match=rev right\n"
r180 "$t"
;;
6) # rev bottom
printf "match=rev bottom\n"
r90 "$t"
flip_v "$t"
;;
7) # rev left
printf "match=rev left\n"
flip_v "$t"
;;
esac
echo new orientation:
print_tile "$t"
}
# transform $2 tile to match $1 on left
@@ -309,52 +228,39 @@ attach_top() {
local _l="$1"
local -i t="$2" m=0
local s
printf "matching top %s for tile:\n" "$_l"
print_tile "$t"
for s in ${T[$t]} ${R[$t]} ${B[$t]} ${L[$t]} \
${RT[$t]} ${RR[$t]} ${RB[$t]} ${RL[$t]}; do
printf "%d: %s\n" "$m" "$s"
if [[ "$s" == "$_l" ]]; then
echo "attach_top: count=$m"
break
fi
((m++))
done
case $m in
0) # top
printf "match=top\n"
;;
1) # right
printf "match=right\n"
r270 "$t"
;;
2) # bottom
printf "match=bottom\n"
flip_v "$t"
;;
3) # left
printf "match=left\n"
r90 "$t"
flip_h "$t"
;;
4) # rev top
printf "match=rev top\n"
flip_h "$t"
;;
5) # rev right
printf "match=rev right\n"
r270 "$t"
flip_h "$t"
;;
6) # rev bottom
printf "match=rev bottom\n"
r180 "$t"
;;
7) # rev left
printf "match=rev left\n"
r90 "$t"
;;
esac
echo new orientation:
print_tile "$t"
}