add a bunch of possible shared items for now, will clean up later

algos.js

@@ -0,0 +1,110 @@
+// Generated by CoffeeScript 1.4.0
+var HP, XP, priorityValue;
+
+XP = 15;
+
+HP = 2;
+
+priorityValue = function(priority) {
+    if (priority == null) {
+        priority = '!';
+    }
+    switch (priority) {
+        case '!':
+            return 1;
+        case '!!':
+            return 1.5;
+        case '!!!':
+            return 2;
+        default:
+            return 1;
+    }
+};
+
+module.exports.tnl = function(level) {
+    var value;
+    if (level >= 100) {
+        value = 0;
+    } else {
+        value = Math.round(((Math.pow(level, 2) * 0.25) + (10 * level) + 139.75) / 10) * 10;
+    }
+    return value;
+};
+
+/*
+ Calculates Exp modificaiton based on level and weapon strength
+ {value} task.value for exp gain
+ {weaponStrength) weapon strength
+ {level} current user level
+ {priority} user-defined priority multiplier
+ */
+
+
+module.exports.expModifier = function(value, weaponStr, level, priority) {
+    var exp, str, strMod, totalStr;
+    if (priority == null) {
+        priority = '!';
+    }
+    str = (level - 1) / 2;
+    totalStr = (str + weaponStr) / 100;
+    strMod = 1 + totalStr;
+    exp = value * XP * strMod * priorityValue(priority);
+    return Math.round(exp);
+};
+
+/*
+ Calculates HP modification based on level and armor defence
+ {value} task.value for hp loss
+ {armorDefense} defense from armor
+ {helmDefense} defense from helm
+ {level} current user level
+ {priority} user-defined priority multiplier
+ */
+
+
+module.exports.hpModifier = function(value, armorDef, helmDef, shieldDef, level, priority) {
+    var def, defMod, hp, totalDef;
+    if (priority == null) {
+        priority = '!';
+    }
+    def = (level - 1) / 2;
+    totalDef = (def + armorDef + helmDef + shieldDef) / 100;
+    defMod = 1 - totalDef;
+    hp = value * HP * defMod * priorityValue(priority);
+    return Math.round(hp * 10) / 10;
+};
+
+/*
+ Future use
+ {priority} user-defined priority multiplier
+ */
+
+
+module.exports.gpModifier = function(value, modifier, priority) {
+    if (priority == null) {
+        priority = '!';
+    }
+    return value * modifier * priorityValue(priority);
+};
+
+/*
+ Calculates the next task.value based on direction
+ Uses a capped inverse log y=.95^x, y>= -5
+ {currentValue} the current value of the task
+ {direction} up or down
+ */
+
+
+module.exports.taskDeltaFormula = function(currentValue, direction) {
+    var delta;
+    if (currentValue < -47.27) {
+        currentValue = -47.27;
+    } else if (currentValue > 21.27) {
+        currentValue = 21.27;
+    }
+    delta = Math.pow(0.9747, currentValue);
+    if (direction === 'up') {
+        return delta;
+    }
+    return -delta;
+};