CodeCombat: Backwoods Treasure Solution

coco.backwoods.treasure.js

// Returns Best Coin to Move Toward
this.bestCoin = function() {
    var bestCoin = null;
    var coinRank = 0;
    var coins = this.findItems();
    
    for (var i=0; i < coins.length; i++) {
        if ( coins[i].value / this.distanceTo(coins[i]) > coinRank ) {
            coinRank = coins[i].value / this.distanceTo(coins[i]);
            bestCoin = coins[i];
        }
    }
    
    return bestCoin;
};

// Can Cast/Cast Wrapper
this.castSpell = function(spellName, target) {
    // check that spell name is in list of castable spells
    if (this.spellNames.indexOf(spellName) == -1) {
        return false;
    }
    
    // check that spell can be cast against target
    if (this.canCast(spellName, target)) {
        // if so, then cast spell
        this.cast(spellName, target);
        return true;
    }
    
    return false;
};

loop {
    // Move Towards Best Coin
    var coin = this.bestCoin();
    if (coin) {
        this.move(coin.pos);
    }
    
    var corpse = this.findNearest(this.findCorpses());
    if (corpse && this.distanceTo(corpse) < this.spells['raise-dead'].radius && this.canCast("raise-dead")) {
            this.cast("raise-dead");
    }
    
    // But, Attack Enemies if any exist
    var enemy = this.findNearest(this.findEnemies());
    if (enemy) {
        if ( this.castSpell("fear", enemy) )         continue;
        if ( this.castSpell("drain-life", enemy) )   continue;
        if ( this.castSpell("magic-missle", enemy) ) continue;
        
        if ( this.distanceTo(enemy) < this.attackRange ) {
            this.attack(enemy);
        }
    }
        
}