Sprite Generator

SpriteGenerator.sh

#!/bin/bash

Black='\033[0;30m'
DarkGray='\033[1;30m'
Red='\033[0;31m'
LightRed='\033[1;31m'
Green='\033[0;32m'
LightGreen='\033[1;32m'
BrownOrange='\033[0;33m'
Yellow='\033[1;33m'
Blue='\033[0;34m'
LightBlue='\033[1;34m'
Purple='\033[0;35m'
LightPurple='\033[1;35m'
Cyan='\033[0;36m'
LightCyan='\033[1;36m'
LightGray='\033[0;37m'
White='\033[1;37m'
Red='\033[0;31m'
NC='\033[0m' # No Color

reset(){
    clear
    rm -rf output-grid/
    rm -rf output-flat/
}
reset

echo -n "Enter the Slide number: "
read slide

echo -n "Enter the Slide height (px): "
read height
echo "";

echo "What kind of sprite will be created?"
echo -n "Grid [g] | Flat[f] | All[a]: "
read kind
echo "";

count=0;
for i in *.png; do
    count=$[$count+1];
done
fraction=3;
part=$[$count/$fraction];

cycles=0;
loop=0;
images="";
grid="";
gridHeight=$[$height*3];


startGrid(){
    mkdir output-grid
    
    renderGrid(){
        echo ":: Rendering Grid ::";
        echo "-----------------------------------------------------------------------";
        echo $grid;
        echo "-----------------------------------------------------------------------";
        echo "";
        echo $grid > "output-grid/Grid.sprite.txt"
        convert @"output-grid/Grid.sprite.txt" -channel RGB -opaque None +channel -alpha On -define png:format=png8 -define png:compression-level=9 -append "output-grid/Grid.sprite.png"
        convert "output-grid/Grid.sprite.png" -resize x$gridHeight "output-grid/$slide.ani.png"
        rm "output-grid/Grid.sprite.txt"
    }

    renderImage(){
        echo ":: Rendering Cycle $cycles ::";
        echo "-----------------------------------------------------------------------";
        echo $images;
        echo "-----------------------------------------------------------------------";
        echo "";
        echo $images > "output-grid/Cycle-$cycles.sprite.txt"
        
        convert @"output-grid/Cycle-$cycles.sprite.txt" -channel RGB -opaque None +channel -alpha On -define png:format=png8 -define png:compression-level=9 +append "output-grid/Cycle-$cycles.sprite.png"
        grid="$grid \"output-grid/Cycle-$cycles.sprite.png\" ";
        rm "output-grid/Cycle-$cycles.sprite.txt";
    }

    for i in *.png; do
        images="$images \"$i\" ";

        loop=$[$loop+1];
        if [ $[$loop == $part] == 1 ]; then
            renderImage
            images="";
            loop=0;
            cycles=$[$cycles+1];
        fi  
    done
    
    renderImage
    renderGrid
}

startFlat(){
    echo ":: Rendering Flat ::";
    echo "-----------------------------------------------------------------------";

    mkdir output-flat

    convert *.png -channel RGB -opaque None +channel -alpha On -define png:format=png8 -define png:compression-level=9 +append "output-flat/Flat.sprite.png"
    convert "output-flat/Flat.sprite.png" -resize x$height "output-flat/$slide.ani.png"
}

printExtraterrestrial(){
    printf "${Yellow}The slide $slide.ani.png was successfully generated !!!${NC}\n"
    printf "\n";
    printf "${Green} ___/     \___   ${NC}\n"
    printf "${Green}\`-._)     (_,-\`${NC}\n"
    printf "${Green}    \\\\${NC}${Red}O${NC} _ ${Red}O${NC}${Green}/${NC}      \n"
    printf "${Green}     \ - /       ${NC}\n"
    printf "${Green}      \`-(       ${NC}\n"
    printf "${Green}       ||        ${NC}\n"
    printf "${Green}      _||_       ${NC}\n"
    printf "${Green}     |-..-|      ${NC}\n"
    printf "${Green}     |/. \|      ${NC}\n"
    printf "${Green}     |\__/|      ${NC}\n"
    printf "${Green}   ._|//\\|_,    ${NC}\n"
    printf "${Green}   \`-((  ))-'   ${NC}\n"
    printf "${Green}    __\\//__     ${NC}\n"
    printf "${Green}    >_ /\ _<,    ${NC}\n"
    printf "${Green}       ''        ${NC}\n"
}

if [ $kind == "g" ]; then
    startGrid
    printExtraterrestrial
fi

if [ $kind == "f" ]; then
    startFlat
    printExtraterrestrial
fi

if [ $kind == "a" ]; then
    startGrid
    startFlat
    printExtraterrestrial
fi