export some scoring functions for use in testing

lib/app/scoring.js

@@ -1,5 +1,5 @@
 // Generated by CoffeeScript 1.3.3
-var MODIFIER, async, content, cron, expModifier, helpers, hpModifier, model, moment, score, setModel, setupNotifications, updateStats, user, _;
+var MODIFIER, async, content, cron, expModifier, helpers, hpModifier, model, moment, score, setModel, setupNotifications, taskDeltaFormula, updateStats, user, _;
 
 async = require('async');
 
@@ -68,22 +68,66 @@ setupNotifications = function() {
   });
 };
 
-expModifier = function(value) {
-  var dmg, modified;
-  dmg = user.get('items.weapon') * MODIFIER;
-  dmg += (user.get('stats.lvl') - 1) * MODIFIER;
+/* 
+Calculates Exp & GP modification based on weapon & lvl
+{value} task.value for gain
+{modifiers} may manually pass in stats as {weapon, exp}. This is used for testing
+*/
+
+
+expModifier = function(value, modifiers) {
+  var dmg, lvl, modified, weapon, _ref;
+  if (modifiers == null) {
+    modifiers = null;
+  }
+  _ref = [user.get('items.weapon'), user.get('stats.lvl')], weapon = _ref[0], lvl = _ref[1];
+  if (modifiers) {
+    weapon = modifiers.weapon, lvl = modifiers.lvl;
+  }
+  dmg = weapon * MODIFIER;
+  dmg += (lvl - 1) * MODIFIER;
   modified = value + (value * dmg);
   return modified;
 };
 
-hpModifier = function(value) {
-  var ac, modified;
-  ac = user.get('items.armor') * MODIFIER;
-  ac += (user.get('stats.lvl') - 1) * MODIFIER;
+/* 
+Calculates HP-loss modification based on armor & lvl
+{value} task.value which is hurting us
+{modifiers} may manually pass in modifier as {armor, lvl}. This is used for testing
+*/
+
+
+hpModifier = function(value, modifiers) {
+  var ac, armor, lvl, modified, _ref;
+  if (modifiers == null) {
+    modifiers = null;
+  }
+  _ref = [user.get('items.armor'), user.get('stats.lvl')], armor = _ref[0], lvl = _ref[1];
+  if (modifiers) {
+    armor = modifiers.armor, lvl = modifiers.lvl;
+  }
+  ac = armor * MODIFIER;
+  ac += (lvl - 1) * MODIFIER;
   modified = value - (value * ac);
   return modified;
 };
 
+/*
+Calculates the next task.value based on direction
+For negative values, use a line: something like y=-.1x+1
+For positibe values, taper off with inverse log: y=.9^x
+Would love to use inverse log for the whole thing, but after 13 fails it hits infinity. Revisit this formula later
+{currentValue} the current value of the task, determines it's next value
+{direction} 'up' or 'down'
+*/
+
+
+taskDeltaFormula = function(currentValue, direction) {
+  var delta, sign;
+  sign = direction === "up" ? 1 : -1;
+  return delta = currentValue < 0 ? (-0.1 * currentValue + 1) * sign : (Math.pow(0.9, currentValue)) * sign;
+};
+
 updateStats = function(stats) {
   var money, tnl;
   if (user.get('stats.lvl') === 0) {
@@ -127,7 +171,7 @@ updateStats = function(stats) {
 };
 
 score = function(taskId, direction, options) {
-  var adjustvalue, delta, exp, hp, lvl, modified, money, num, sign, task, taskObj, taskPath, type, userObj, value, _ref, _ref1, _ref2;
+  var adjustvalue, delta, exp, hp, lvl, modified, money, num, task, taskObj, taskPath, type, userObj, value, _ref, _ref1, _ref2;
   if (options == null) {
     options = {
       cron: false,
@@ -155,8 +199,7 @@ score = function(taskId, direction, options) {
     });
     return;
   }
-  sign = direction === "up" ? 1 : -1;
-  delta = value < 0 ? (-0.1 * value + 1) * sign : (Math.pow(0.9, value)) * sign;
+  delta = taskDeltaFormula(value, direction);
   delta *= options.times;
   adjustvalue = type !== 'reward';
   if ((type === 'habit') && (taskObj.up === false || taskObj.down === false)) {
@@ -284,8 +327,11 @@ cron = function() {
 };
 
 module.exports = {
-  MODIFIER: MODIFIER,
   setModel: setModel,
+  MODIFIER: MODIFIER,
   score: score,
-  cron: cron
+  cron: cron,
+  expModifier: expModifier,
+  hpModifier: hpModifier,
+  taskDeltaFormula: taskDeltaFormula
 };

src/app/scoring.coffee

@@ -52,20 +52,44 @@ setupNotifications = ->
     if captures > args
       statsNotification('<i class="icon-chevron-up"></i> Level Up!', 'info')
   
-# Calculates Exp modification based on weapon & lvl
-expModifier = (value) ->
-  dmg = user.get('items.weapon') * MODIFIER # each new weapon increases exp gain
-  dmg += (user.get('stats.lvl')-1) * MODIFIER # same for lvls
+### 
+Calculates Exp & GP modification based on weapon & lvl
+{value} task.value for gain
+{modifiers} may manually pass in stats as {weapon, exp}. This is used for testing
+###
+expModifier = (value, modifiers=null) ->
+  [weapon, lvl] = [user.get('items.weapon'), user.get('stats.lvl')]
+  if modifiers then {weapon, lvl} = modifiers 
+  dmg = weapon * MODIFIER # each new weapon increases exp gain
+  dmg += (lvl-1) * MODIFIER # same for lvls
   modified = value + (value * dmg)
   return modified
 
-# Calculates HP-loss modification based on armor & lvl
-hpModifier = (value) ->
-  ac = user.get('items.armor') * MODIFIER # each new armor decreases HP loss
-  ac += (user.get('stats.lvl')-1) * MODIFIER # same for lvls
+### 
+Calculates HP-loss modification based on armor & lvl
+{value} task.value which is hurting us
+{modifiers} may manually pass in modifier as {armor, lvl}. This is used for testing
+###
+hpModifier = (value, modifiers=null) ->
+  [armor, lvl] = [user.get('items.armor'),user.get('stats.lvl')]
+  if modifiers then {armor, lvl} = modifiers
+  ac = armor * MODIFIER # each new armor decreases HP loss
+  ac += (lvl-1) * MODIFIER # same for lvls
   modified = value - (value * ac)
   return modified
   
+###
+Calculates the next task.value based on direction
+For negative values, use a line: something like y=-.1x+1
+For positibe values, taper off with inverse log: y=.9^x
+Would love to use inverse log for the whole thing, but after 13 fails it hits infinity. Revisit this formula later
+{currentValue} the current value of the task, determines it's next value
+{direction} 'up' or 'down'
+###
+taskDeltaFormula = (currentValue, direction) ->
+  sign = if (direction == "up") then 1 else -1
+  delta = if (currentValue < 0) then (( -0.1 * currentValue + 1 ) * sign) else (( Math.pow(0.9,currentValue) ) * sign)
+  
 # Setter for user.stats: handles death, leveling up, etc
 updateStats = (stats) ->
   # if user is dead, dont do anything
@@ -130,13 +154,7 @@ score = (taskId, direction, options={cron:false, times:1}) ->
     updateStats({hp: hp, exp: exp, money: money})
     return
     
-  
-  # For negative values, use a line: something like y=-.1x+1
-  # For positibe values, taper off with inverse log: y=.9^x
-  # Would love to use inverse log for the whole thing, but after 13 fails it hits infinity
-  sign = if (direction == "up") then 1 else -1
-  delta = if (value < 0) then (( -0.1 * value + 1 ) * sign) else (( Math.pow(0.9,value) ) * sign)
-  
+  delta = taskDeltaFormula(value, direction)
   # If multiple days have passed, multiply times days missed
   delta *= options.times
 
@@ -245,8 +263,13 @@ cron = ->
   
 
 module.exports = {
-  MODIFIER: MODIFIER
   setModel: setModel
+  MODIFIER: MODIFIER
   score: score
   cron: cron
+  
+  # testing stuff
+  expModifier: expModifier
+  hpModifier: hpModifier
+  taskDeltaFormula: taskDeltaFormula
 }