abplus-snippets.lua

--- A log function that's compatible with lua's standard print function.
-- usage: print("hi", table, entity, 3.4) -- output: hi    <table:0xdeadbeef>    <userdata:0xeeeeeeee>    3.4
local function print(...)
  local str, sep = "", ""
  for i=1, select('#', ...) do
    str = str .. sep .. tostring(select(i, ...))
    sep = '\t'
  end
  return Isaac.DebugString(str)
end

-- An onscreen logger, from epicbob57#8905 on #themoddingofisaac discord

local eLog = {"Log:"}
function mod:eLogDraw()
    for i,j in ipairs(eLog) do
        Isaac.RenderText(j,50,i*15,255,255,255,255)
    end
end
mod:AddCallback(ModCallbacks.MC_POST_RENDER, mod.eLogDraw);

local function eLogWrite(str)
    table.insert(eLog,str)
    if #eLog > 10 then
        table.remove(eLog,1)
    end
end

-- more to come? ping me here or on reddit

I would use table.pack(...) instead of select for iterating the argument list, but i actually don't know if it's better or not.