Dice Expressions: Difference between revisions

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| '''XdYh''' || Hero || Stun Dice || Rolls ''X'' dice with ''Y'' sides each, keeping track of the results for hero rolls for body damage. Where a roll of 1 = 0 body damage, a roll of ''Y'' = 2 body damage and a roll in between these two values = 1 body damage. || {{func|hero}}
| '''XdYh''' || Hero || Stun Dice || Rolls ''X'' dice with ''Y'' sides each, keeping track of the results for hero rolls for body damage. Where a roll of 1 = 0 body damage, a roll of ''Y'' = 2 body damage and a roll in between these two values = 1 body damage. || {{func|hero}}
|-
|-
| '''XdYb''' || Hero || Body Dice || Returns the body damage from the last XdYb Hero Stun Dice roll as long as ''X'' and ''Y''
| '''XdYb''' || Hero || Body Dice || Returns the body damage from the last XdYb Hero Stun Dice roll as long as ''X'' and ''Y'' matches the Stun Dice roll || {{func|herobody}}
matches the Stun Dice roll || {{func|herobody}}
|-
|-
| '''Xdf''' || Fudge || Fudge Dice || Rolls ''X'' [https://www.fudgerpg.com/ Fudge] dice (which return -1, 0, or 1), summing the dice and returning the sum || {{func|fudge}}
| '''Xdf''' || Fudge || Fudge Dice || Rolls ''X'' [https://www.fudgerpg.com/ Fudge] dice (which return -1, 0, or 1), summing the dice and returning the sum || {{func|fudge}}

Revision as of 03:34, 19 February 2021

MapTool's chat window and macro system supports several of the most common dice expressions based on the formats XdY and dY.

In the tables below, the variable Y is described as the "number of sides" on the dice being rolled; in reality the dice roller is picking a random number between 1 and Y. The end result is the same.

Additionally, in the expressions, capital letters signify an argument you must provide, while the lower-case letters are a fixed part of the dice expression. For example, in the expression XdYsS, you replace X, Y, and S with numbers to indicate the number of dice, how many sides the dice have, and what number indicates a success, respectively. The lower case "d" and "s" are left alone. Also, only one expression may be used at a time. For example, you could not combine the expressions of dropping low dice and keeping high dice.

Finally, note that when entering a dice roll directly in chat, you need to use the /roll Chat Command to execute the roll. In a macro, you would enclose the roll expression in square brackets. For example, if you wanted to roll one twenty sided die, one six sided die, and add 8 to the result:

Directly in chat:

/roll 1d20+1d6+8

In a macro:

[1d20+1d6+8]

You may also access these dice expressions directly using macro functions, see Category:Dice Function.

General Dice Expressions

Expression Operation Description Example Macro Function
XdY Roll X dice with Y sides each. If X is not included, roll 1 die with Y sides and present the sum of all rolls in chat /roll 1d20 rolls one twenty-sided die and presents the total roll in chat roll()
XdYdN drop Roll X dice with Y sides each, and drop the lowest N dice afterwards /roll 4d6d1 rolls four six-sided dice, drops the lowest roll, and presents the total in the chat window drop()
XdYkN keep Roll X dice with Y sides each, and keep the highest N dice afterwards /roll 4d6k3 rolls four six-sided dice, keeps the highest 3 rolls, and presents the total in the chat window keep()
XdYrL reroll Roll X dice with Y sides each, repeatedly rerolling any results lower than L /roll 3d8r2 rolls three eight-sided dice, repeatedly rerolls any dice that are lower than 2 until all dice rolls are higher than or equal to 2, and then sums and presents the total in chat reroll()
XdYrkL reroll once & keep Roll X dice with Y sides each, rerolling any results lower than L and keeping the new values /roll 2d6rk3 rolls two six-sided dice, rerolling (once) any dice that are lower than 3, and presents the total in chat rerollOnce()
XdYrcL reroll once & choose Roll X dice with Y sides each, rerolling any results lower than L and choosing the higher values /roll 2d6rc3 rolls two six-sided dice, rerolling (once) any dice that are lower than 3 but choosing the higher of the two results, and presents the total in chat rerollOnce()
XdYsT success Roll X dice with Y sides each, and count any rolls that meet or exceed T (the "target number") /roll 4d6s4 rolls four six-sided dice, and counts any individual roll that exceeds four, presenting the number of "successes" in chat success()
XdYe explode Roll X dice with Y sides each, and reroll any dice that roll Y, add the new roll to the total /roll 2d6e rolls two six-sided dice, and if either rolls a 6, it is rerolled and added to the total (this continues until neither die rolls a 6). explode()
XdYesT exploding success As success rolls, above, but the individual dice can "explode" (i.e., they are rerolled if they roll their maximum value) /roll 4d6es8 will roll 4 six-sided dice, explode any that roll their maximum, and then total the rolls that exceed 8 explodingSuccess()
XdYo open Roll X dice with Y sides each, and explode any dice that roll Y, then return the value of all rolls, as well as the highest roll /roll 5d6o rolls 5 six-sided dice, and explodes any that roll 6 openTest()
XdYdhZ drop high Roll X dice of Y sides, and drop the Z highest /roll 5d10DH2 rolls five ten-sided dice, drops the two highest, and presents the total in the chat window dropHighest()
XdYklZ keep low Roll X dice of Y sides, and keep the Z lowest /roll 5d6kl3 rolls five six-sided dice, keeping the three lowest, and presents the total in the chat window keepLowest()
XdYsZlW subtract Roll X dice of Y sides, subtract Z from each roll with a lower bound of W /roll 5d6s1l2 rolls five six-sided dice, subtracting 1 from each with a lower bound of 2, and presents the total in the chat window rollSubWithLower()
XdYaZuW add Roll X dice of Y sides, add Z to each roll with an upper bound of W /roll 5d6a1u6 rolls five six-sided dice, adding 1 to each with an upper bound of 6, and presents the total in the chat window rollAddWithUpper()
XdYlZ lower bound Roll X dice of Y sides, with a lower bound of Z /roll 5d6l2 rolls five six-sided dice, replacing any results lower than 2 with 2, and presents the total in the chat window rollWithLower()
XdYuZ upper bound Roll X dice of Y sides, with an upper bound of Z /roll 5d6u4 rolls five six-sided dice, replacing any results higher than 4 with 4, and presents the total in the chat window rollWithUpper()

Game-Specific Dice Expressions

Expression Game System Operation Description Macro Function
XdYh Hero Stun Dice Rolls X dice with Y sides each, keeping track of the results for hero rolls for body damage. Where a roll of 1 = 0 body damage, a roll of Y = 2 body damage and a roll in between these two values = 1 body damage. hero()
XdYb Hero Body Dice Returns the body damage from the last XdYb Hero Stun Dice roll as long as X and Y matches the Stun Dice roll herobody()
Xdf Fudge Fudge Dice Rolls X Fudge dice (which return -1, 0, or 1), summing the dice and returning the sum fudge()
Xdu Ubiquity Ubiquity Dice Rolls X Ubiquity dice, which return 0 or 1, summing the result and returning that value to chat ubiquity()
Xsr4 Shadowrun 4th Ed. Shadowrun Basic Roll Roll X number of 6 sided dice. Output the number of Hits (Rolls 5 or above) and the numbers of Ones rolled. If the number of Ones is half or more of X, display Glitch. If the number of Ones is half or more of X and there are no Hits, display Critical Glitch. sr4()
Xsr4gT Shadowrun 4th Ed. Shadowrun Gremlin Roll Roll X number of 6 sided dice. Output the number of Hits (Rolls 5 or above) and the numbers of Ones rolled. If the number of Ones is half or more of X minus T, display Glitch. If the number of Ones is half or more of X minus Y and there are no Hits, display Critical Glitch. sr4()
Xsr4e Shadowrun 4th Ed. Shadowrun Exploding Roll Roll X number of 6 sided dice. Output the number of Hits (Rolls 5 or above) and the numbers of Ones rolled. Reroll any 6 adding it to the pool. If the number of Ones is half or more of X, display Glitch. If the number of Ones is half or more of X and there are no Hits, display Critical Glitch. sr4e()
Xsr4egT Shadowrun 4th Ed. Shadowrun Exploding Gremlin Roll Roll X number of 6 sided dice. Output the number of Hits (Rolls 5 or above) and the numbers of Ones rolled. Reroll any 6 adding it to the pool. If the number of Ones is half or more of X minus T, display Glitch. If the number of Ones is half or more of X minus T and there are no Hits, display Critical Glitch. sr4e()
XdYq#+Z DragonQuest - Rolls X dice of Y sides, adding Z to each die, summing the result and returning that value to chat rollAddWithLower()
XdYq#-Z DragonQuest - Rolls X dice of Y sides, subtracting Z from each die with a minimum of 1, summing the result and returning that value to chat rollSubWithLower()