Guide To Custom Roll Parsing

Core Articles are those important to building a rolltemplate. CRP is very complex, so System Examples shows some examples already built that you can mine for instruction. Extra Articles (if there are any!) aren’t needed, but they showcase other things its handy to know how todo.

Core Articles

• Introduction to Custom Roll Parsing
  The start of a new series, possibly the most important I will ever write.
• The Structure of a Custom Roll Parsing Function
  How a CRP worker is constructed, and an idea of what future posts will cover.
• The CRP Roll String And Many Buttons
  How to manage multiple buttons with a single sheet worker.
• CRP: A Simple Example
  Creating a very simple CRP button and worker, to demonstrate what CRP looks like.
• startRoll and Analysing Your Dice
  How to extract values from the dice roll object.
• Changing Attributes with Custom Roll Parsing
  Change attributes and roll dice at the same time.
• Using Queries in Custom Roll Parsing
  How to handle branching in custom roll parsing, through queries and nesting startRolls.
• Computed Properties and CRP Roll Templates
  One of the special things about CRP is calulating things that aren't included in the roll.
• Callbacks and Promises with startRoll
  How to use asynchronous promises with startRoll, maybe the start of something big.

System Examples

• Custom Roll Parsing: A Detailed Example
  A complete worked example of a “simple” CRP.
• CRP: Damage Rolls in Champions
  Champions has 3 different kinds of damage roll. Here’s how to handle them all.
• CRP: Fudge and Fate
  Fudge and Fate use unique dice and report the result as an adjective. Here’s how to do that.
• CRP: Criticals on Multiple Dice (HERO and GURPS)
  Do you want to create a critical or a fumble from multiple dice?
• CRP: OctaNe and Inspectres
  You want to roll some dice and read the result from a table. This got way more involved than intended…
• CRP: Essence 20
  The Essence 20 is pretty laborious to emulate, but can be simple with CRP.
• CRP: Spell Slots
  How to manage spell slots (or track any resource) using CRP.
• Sending Messages and Asking Questions in Roll20 Sheets
  CRP offers some interesting opportunities beyond rolling dice. Here are some ideas.

Extras

• Sending Messages and Asking Questions in Roll20 Sheets
  CRP offers some interesting opportunities beyond rolling dice. Here are some ideas.
• CRP: Pendragon Rolls
  Pendragon uses a simple d20 system that hides a lot of complexity. Let's see how to do it.
• CRP Rolls with Memory
  In this post, we'll look at how to save the last Pendragon Roll. This is vital for the upcoming Opposed Rolls.
• CRP: Saved Rolls In Opposition
  We have seen how to save rolls for later. We'll now build on that method for a quick way to make opposed rolls,
• CRP: True Opposed Rolls in Pendragon
  After the last few posts, we are now ready to build a true opposed roll system for Pendragon.
• Invisible Rolls and Nesting startRoll
  Using some unusual aspects of CRP to make opposed rolls easier.
• CRP: Sorcerer
  Sorcerer has an unusual dice roll system, and we'll look at how to use it in this and two more posts.
• CRP Opposed Rolls With Memory In Sorcerer
  Sorcerer presents several challenges in roll20 - here's how we can use CRP to solve those issues.