CPM Utility Pack

pluginManager.register("Energyxxer's Utility Pack",function(lib){

    const SCORE_CHAR_LIMIT = 16;

    var block = lib.getBlock();

    var command = block.command + " ";

    if(command.startsWith("$assignID ")) {

        var usage = "$assignID <selector> <objective> [buffered]";

        command = command.substring("$assignID ".length).trim();

        var args = command.split(" ");

        //Argument variables:
        var selectorRaw = args[0];
        var objective = args[1];
        var buffered = true;

        //Make sure nothing is missing

        if(args[0] == null || args[0].length == 0) {
            lib.throw("Error: Selector not found in function at line " + lib.getLineNumber() + ". Usage: " + usage);
            lib.break();
            return;
        }
        if(args[1] == null || args[1].length == 0) {
            lib.throw("Error: Scoreboard objective not found in function at line " + lib.getLineNumber() + ". Usage: " + usage);
            lib.break();
            return;
        }

        //Validate buffered

        if(args[2] != null) {
            if(["true","false"].contains(args[2])) {
                buffered = [true,false][["true","false"].indexOf(args[2])];
            } else {
                lib.throw("Error: \"" + args[2] + "\" is neither true nor false! At line " + lib.getLineNumber() + ". Usage: " + usage);
                lib.break();
                return;
            }
        }

        //Validate selector and objective

        var selector = new Selector(selectorRaw);
        if(!selector.valid) {
            lib.throw("Error: \"" + selectorRaw + "\" is not a valid selector! At line " + lib.getLineNumber() + ". Usage: " + usage);
            lib.break();
            return;
        }

        if(objective.length > SCORE_CHAR_LIMIT) {
            lib.throw("Error: \"" + objective + "\" is not a valid objective name; it must not exceed " + SCORE_CHAR_LIMIT + " characters of length. At line " + lib.getLineNumber() + ". Usage: " + usage);
            lib.break();
            return;
        }

        //All checking done, proceed to generate commands.

        lib.newCommand("scoreboard players add " + selector.toString() + " " + objective + " 0", block.type, block.conditional, block.auto);



        var s1 = selector.clone();
        s1.args["score_" + objective] = "0";
        if(buffered) s1.args["c"] = "1";
        lib.newCommand("scoreboard players tag " + s1.toString() + " add assign_" + objective, "Chain", false, true);
        var s2 = selector.clone();
        s2.args["tag"] = "assign_" + objective;
        lib.newCommand("scoreboard players operation " + s2.toString() + " " + objective + " > * " + objective, "Chain", false, true);
        lib.newCommand("scoreboard players add " + s2.toString() + " " + objective + " 1", "Chain", false, true);
        lib.newCommand("scoreboard players tag " + s2.toString() + " remove assign_" + objective, "Chain", false, true);

        lib.skip();
        /*scoreboard players add @a r_playerId 0
    scoreboard players tag @e[score_r_playerId=0,c=1] add r_assignId
    scoreboard players operation @e[tag=r_assignId] r_playerId > * r_playerId
    scoreboard players add @e[tag=r_assignId] r_playerId 1
    scoreboard players tag @e[tag=r_assignId] remove r_assignId*/

    }
});