splitted main file, added rain, bump to v3.0.0

2022-08-27 23:36:01 +02:00
parent 98afeed28d
commit 011e657e49
13 changed files with 1097 additions and 1104 deletions
--- a/profile.d/rain.sh
+++ b/profile.d/rain.sh
@@ -0,0 +1,119 @@
+# ------------------------------------------------------------------------------
+# Let the rain fall
+# ------------------------------------------------------------------------------
+rain()
+{
+    local exit_st=0
+    local rain_cars=("|" "│" "┃" "┆" "┇" "┊" "┋" "╽" "╿")
+    local rain_colors=("\e[37m" "\e[37;1m")
+    # More from 256 color mode
+    for i in {244..255}; do
+        rain_colors=( "${rain_colors[@]}" "\e[38;5;${i}m" )
+    done
+    local rain_tab=${#rain_cars[@]}
+    local rain_color_tab=${#rain_colors[@]}
+    local num_rain_metadata=5
+    local term_height=$(tput lines)
+    local term_width=$(tput cols)
+    local step_duration=0.050
+    local X=0 Y=0 drop_length=0 rain_drop=0
+    local max_rain_width=0 new_rain_odd=0 falling_odd=0
+
+
+    sigwinch() {
+        term_width=$(tput cols)
+        term_height=$(tput lines)
+        #step_duration=0.025
+        (( max_rain_width = term_width * term_height / 4 ))
+        (( max_rain_height = term_height < 10 ? 1 : term_height / 10 ))
+        # In percentage
+        (( new_rain_odd = term_height > 50 ? 100 : term_height * 2 ))
+        (( new_rain_odd = new_rain_odd * 75 / 100 ))
+        (( falling_odd = term_height > 25 ? 100 : term_height * 4 ))
+        (( falling_odd = falling_odd * 90 / 100 ))
+    }
+
+    do_exit() {
+        exit_st=1
+    }
+
+    do_render() {
+        # Clean screen first
+        local idx=0
+        for ((idx = 0; idx < num_rains * num_rain_metadata; idx += num_rain_metadata)); do
+            X=${rains[idx]}
+            Y=${rains[idx + 1]}
+            drop_length=${rains[idx + 4]}
+            for ((y = Y; y < Y + drop_length; y++)); do
+                (( y < 1 || y > term_height )) && continue
+                echo -ne "\e[${y};${X}H "
+            done
+        done
+
+        for ((idx = 0; idx < num_rains * num_rain_metadata; idx += num_rain_metadata)); do
+            if (( 100 * RANDOM / 32768 < falling_odd )); then
+                # Falling
+                if (( ++rains[idx + 1] > term_height )); then
+                    # Out of screen, bye sweet <3
+                    rains=("${rains[@]:0:idx}"
+                        "${rains[@]:idx+num_rain_metadata:num_rains*num_rain_metadata}")
+                    (( num_rains-- ))
+                    continue
+                fi
+            fi
+            X=${rains[idx]}
+            Y=${rains[idx + 1]}
+            rain_drop=${rains[idx + 2]}
+            drop_color=${rains[idx + 3]}
+            drop_length=${rains[idx + 4]}
+            for ((y = Y; y < Y + drop_length; y++)); do
+                (( y < 1 || y > term_height )) && continue
+                echo -ne "\e[${y};${X}H${drop_color}${rain_drop}"
+            done
+        done
+    }
+
+    trap do_exit TERM INT
+    trap sigwinch WINCH
+    # No echo stdin and hide the cursor
+    stty -echo
+    echo -ne "\e[?25l"
+
+    echo -ne "\e[2J"
+    local rains=()
+    local num_rains=0
+    sigwinch
+    while (( exit_st <= 0 )); do
+        if (( $exit_st <=0 )); then
+            read -n 1 -t $step_duration ch
+            case "$ch" in
+                q|Q)
+                    do_exit
+                ;;
+            esac
+
+            if (( num_rains < max_rain_width )) && (( 100 * RANDOM / 32768 < new_rain_odd )); then
+                # Need new |, 1-based
+                rain_drop="${rain_cars[rain_tab * RANDOM / 32768]}"
+                drop_color="${rain_colors[rain_color_tab * RANDOM / 32768]}"
+                drop_length=$(( max_rain_height * RANDOM / 32768 + 1 ))
+                X=$(( term_width * RANDOM / 32768 + 1 ))
+                Y=$(( 1 - drop_length ))
+                rains=( "${rains[@]}" "$X" "$Y" "$rain_drop" "$drop_color" "$drop_length" )
+                (( num_rains++ ))
+            fi
+
+            # Let rain fall!
+            do_render
+        fi
+    done
+    echo -ne "\e[${term_height};1H\e[0K"
+
+    # Show cursor and echo stdin
+    echo -ne "\e[?25h"
+    stty echo
+    unset exit_st
+    trap - TERM INT
+    trap - WINCH
+}
+export -f rain