Dice mechanic tutorial for coding under CoreRPG?

[damned]

Please do share your code!

FG Con 6 – April 17-19th 2015 - register at www.fg-con.com for all the latest info.

[radekg]

It's not completed (with no guarantee it can be completed) and I'm not Lua expert by any stretch of imagination but following shows my way of thinking:

Helper functions:

function serializeTable(val)
    local tmp = ""
    for k, v in pairs(val) do
        tmp =  tmp .. v.result .. "," .. v.type .. ";"
    end

    return tmp
end

function deserializeTable(val)
    local result = {}
    for k,i in string.gmatch(val, "(%w+),(%w+)") do
        local vvv = {}
        vvv.result = k
        vvv.type = i
        table.insert(result, vvv)
    end
    return result
end


function getReRoll(aDice, iRoll)
    local rRoll = {}
    rRoll.aDice = aDice
    rRoll.nMod = iRoll.nMod 
    rRoll.sType = iRoll.sType
    rRoll.bSecret = iRoll.bSecret 
    rRoll.nStrain = iRoll.nStrain
    rRoll.sDesc = iRoll.sDesc
    rRoll.rPreviousResult = serializeTable(iRoll.aDice)
    return rRoll
end

ResultHandler:

function onResult(rSource, rTarget, rRoll)

	local isMaxResult = function(rDie)
		if tonumber(rDie.type:match("^d(%d+)")) == rDie.result then
			return rDie.result
		else
			return 0
		end
	end
	
    explode = {}
	for i,die in ipairs(rRoll.aDice) do
		local reroll = isMaxResult(die)
		if reroll>0 then
            table.insert(explode, die.type)
		end
	end

    if rRoll.rPreviousResult then
        prev = deserializeTable(rRoll.rPreviousResult)
        for i,roll in ipairs(prev) do
            table.insert(rRoll.aDice, 1, roll)
        end
    end
    if table.getn(explode) > 0 then
        ActionsManager.performAction(draginfo, rActor, getReRoll(explode, rRoll));        
        return false;
    end;
	
  local rMessage = ActionsManager.createActionMessage(rSource, rRoll);
  local nTotal = ActionsManager.total(rRoll);

  Comm.deliverChatMessage(rMessage);
end

Basically, it delivers message to chat only if no dice exploded. If exploding dice exist, it serializes aDice table to string, stores it in custom attribute and rolls again with only exploding dice - when it gets to this point again and previous roll result exists, the method deserializes it to aDice table.

What is not done is handling of draginfo (I'm not sure - is it lost?) and rActor. I simply had no time to analyze this so it might be a case that it cannot be done. :/ Fantasy Grounds surprised me like that more than once.

[Oberoten]

One last question, where and how would I add in a target value for a roll?

[Trenloe]

One last question, where and how would I add in a target value for a roll?

Have a look at the 3.5e action ability roll. My post in #3 shows a 20 being set as the target of the roll and then my post in #7 shows the rRoll.nTarget value being used to signal success or failure.