Cursive/utils.lua

if not Cursive.superwow then
  return
end

local utils = {}

utils.strsplit = function(delimiter, subject)
  if not subject then return nil end
  local delimiter, fields = delimiter or ":", {}
  local pattern = string.format("([^%s]+)", delimiter)
  string.gsub(subject, pattern, function(c) fields[table.getn(fields)+1] = c end)
  return unpack(fields)
end

utils.round = function(input, places)
  if not places then places = 0 end
  if type(input) == "number" and type(places) == "number" then
    local pow = 1
    for i = 1, places do pow = pow * 10 end
    return floor(input * pow + 0.5) / pow
  end
end

utils.IsValidAnchor = function(anchor)
  if anchor == "TOP" then return true end
  if anchor == "TOPLEFT" then return true end
  if anchor == "TOPRIGHT" then return true end
  if anchor == "CENTER" then return true end
  if anchor == "LEFT" then return true end
  if anchor == "RIGHT" then return true end
  if anchor == "BOTTOM" then return true end
  if anchor == "BOTTOMLEFT" then return true end
  if anchor == "BOTTOMRIGHT" then return true end
  return false
end

utils.GetBestAnchor = function(self)
  local scale = self:GetScale()
  local x, y = self:GetCenter()
  local a = GetScreenWidth()  / scale / 3
  local b = GetScreenWidth()  / scale / 3 * 2
  local c = GetScreenHeight() / scale / 3 * 2
  local d = GetScreenHeight() / scale / 3
  if not x or not y then return end

  if x < a and y > c then
    return "TOPLEFT"
  elseif x > a and x < b and y > c then
    return "TOP"
  elseif x > b and y > c then
    return "TOPRIGHT"
  elseif x < a and y > d and y < c then
    return "LEFT"
  elseif x > a and x < b and y > d and y < c then
    return "CENTER"
  elseif x > b and y > d and y < c then
    return "RIGHT"
  elseif x < a and y < d then
    return "BOTTOMLEFT"
  elseif x > a and x < b and y < d then
    return "BOTTOM"
  elseif x > b and y < d then
    return "BOTTOMRIGHT"
  end
end

utils.ConvertFrameAnchor = function(self, anchor)
  local scale, x, y, _ = self:GetScale(), nil, nil, nil

  if anchor == "CENTER" then
    x, y = self:GetCenter()
    x, y = x - GetScreenWidth()/2/scale, y - GetScreenHeight()/2/scale
  elseif anchor == "TOPLEFT" then
    x, y = self:GetLeft(), self:GetTop() - GetScreenHeight()/scale
  elseif anchor == "TOP" then
    x, _ = self:GetCenter()
    x, y = x - GetScreenWidth()/2/scale, self:GetTop() - GetScreenHeight()/scale
  elseif anchor == "TOPRIGHT" then
    x, y = self:GetRight() - GetScreenWidth()/scale, self:GetTop() - GetScreenHeight()/scale
  elseif anchor == "RIGHT" then
    _, y = self:GetCenter()
    x, y = self:GetRight() - GetScreenWidth()/scale, y - GetScreenHeight()/2/scale
  elseif anchor == "BOTTOMRIGHT" then
    x, y = self:GetRight() - GetScreenWidth()/scale, self:GetBottom()
  elseif anchor == "BOTTOM" then
    x, _ = self:GetCenter()
    x, y = x - GetScreenWidth()/2/scale, self:GetBottom()
  elseif anchor == "BOTTOMLEFT" then
    x, y = self:GetLeft(), self:GetBottom()
  elseif anchor == "LEFT" then
    _, y = self:GetCenter()
    x, y = self:GetLeft(), y - GetScreenHeight()/2/scale
  end

  return anchor, utils.round(x, 2), utils.round(y, 2)
end

local _r, _g, _b, _a
utils.rgbhex = function(r, g, b, a)
  if type(r) == "table" then
    if r.r then
      _r, _g, _b, _a = r.r, r.g, r.b, (r.a or 1)
    elseif table.getn(r) >= 3 then
      _r, _g, _b, _a = r[1], r[2], r[3], (r[4] or 1)
    end
  elseif tonumber(r) then
    _r, _g, _b, _a = r, g, b, (a or 1)
  end

  if _r and _g and _b and _a then
    -- limit values to 0-1
    _r = _r + 0 > 1 and 1 or _r + 0
    _g = _g + 0 > 1 and 1 or _g + 0
    _b = _b + 0 > 1 and 1 or _b + 0
    _a = _a + 0 > 1 and 1 or _a + 0
    return string.format("|c%02x%02x%02x%02x", _a*255, _r*255, _g*255, _b*255)
  end

  return ""
end

utils.GetReactionColor = function(unitstr)
  local color = UnitReactionColor[UnitReaction(unitstr, "player")]
  local r, g, b = .8, .8, .8

  if color then
    r, g, b = color.r, color.g, color.b
  end

  return utils.rgbhex(r,g,b), r, g, b
end

utils.GetUnitColor = function(unitstr)
  local r, g, b = .8, .8, .8

  if UnitIsPlayer(unitstr) then
    local _, class = UnitClass(unitstr)

    if RAID_CLASS_COLORS[class] then
      r, g, b = RAID_CLASS_COLORS[class].r, RAID_CLASS_COLORS[class].g, RAID_CLASS_COLORS[class].b
    end
  else
    return utils.GetReactionColor(unitstr)
  end

  return utils.rgbhex(r,g,b), r, g, b
end

utils.GetLevelColor = function(unitstr)
  local color = GetDifficultyColor(UnitLevel(unitstr))
  local r, g, b = .8, .8, .8

  if color then
    r, g, b = color.r, color.g, color.b
  end

  return utils.rgbhex(r,g,b), r, g, b
end

utils.GetLevelString = function(unitstr)
  local level = UnitLevel(unitstr)
  if level == -1 then level = "??" end

  local elite = UnitClassification(unitstr)
  if elite == "worldboss" then
    level = level .. "B"
  elseif elite == "rareelite" then
    level = level .. "R+"
  elseif elite == "elite" then
    level = level .. "+"
  elseif elite == "rare" then
    level = level .. "R"
  end

  return level
end

utils.GetSpellNameNoRank = function(spellName)
  	return string.lower(string.gsub(spellName, "%([rR]ank %d%)", ""))
end

Cursive.utils = utils