72 lines
1.8 KiB
JavaScript
72 lines
1.8 KiB
JavaScript
//evaluates a calculation string
|
|
evaluate = function(charId, string){
|
|
if (!string) return string;
|
|
string = string.replace(/\b[a-z]+\b/gi, function(sub){
|
|
//fields
|
|
if (Schemas.Character.schema(sub)){
|
|
return Characters.calculate.fieldValue(charId, sub);
|
|
}
|
|
//ability modifiers
|
|
var abilityMods = [
|
|
"strengthMod",
|
|
"dexterityMod",
|
|
"constitutionMod",
|
|
"intelligenceMod",
|
|
"wisdomMod",
|
|
"charismaMod",
|
|
];
|
|
if (_.contains(abilityMods, sub)){
|
|
var slice = sub.slice(0, -3);
|
|
try {
|
|
return Characters.calculate.abilityMod(charId, slice);
|
|
} catch (e){
|
|
return sub;
|
|
}
|
|
}
|
|
//class levels
|
|
if (/\w+levels?\b/gi.test(sub)){
|
|
//strip out "level"
|
|
var className = sub.replace(/levels?\b/gi, "");
|
|
var cls = Classes.findOne({charId: charId, name: className});
|
|
return cls && cls.level || sub;
|
|
}
|
|
//character level
|
|
if (sub.toUpperCase() === "LEVEL"){
|
|
return Characters.calculate.level(charId);
|
|
}
|
|
return sub;
|
|
});
|
|
try {
|
|
var result = math.eval(string);
|
|
return result;
|
|
} catch (e){
|
|
return string;
|
|
}
|
|
};
|
|
|
|
//takes a string with {calculations} and returns it with the results
|
|
//of the calculations returned in place
|
|
evaluateString = function(charId, string){
|
|
//define brackets as curly brackets around anything that isn't a curly bracket
|
|
if (!string) return string;
|
|
var brackets = /\{[^\{\}]*\}/g;
|
|
var result = string.replace(brackets, function(exp){
|
|
exp = exp.replace(/(\{|\})/g, ""); //remove curly brackets
|
|
return evaluate(charId, exp);
|
|
});
|
|
return result;
|
|
};
|
|
|
|
//returns the value of the effect if it exists,
|
|
//otherwise returns the result of the calculation if it exists,
|
|
//otherwise returns 0
|
|
evaluateEffect = function(charId, effect){
|
|
if (_.isFinite(effect.value)){
|
|
return effect.value;
|
|
} else if (_.isString(effect.calculation)){
|
|
return +evaluate(charId, effect.calculation);
|
|
} else {
|
|
return 0;
|
|
}
|
|
};
|