Mercurial > wow > whistle-master
changeset 21:63bf46cfbd3c
Added some validation behavior to nip a few annoying errors in the bud.
| author | Vynn <mischivin@gmail.com> |
|---|---|
| date | Mon, 20 Feb 2017 00:02:29 -0500 |
| parents | 7c8e685be40d |
| children | 90c07a6fec4b |
| files | WhistleMaster.lua |
| diffstat | 1 files changed, 15 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/WhistleMaster.lua Mon Dec 26 11:21:55 2016 -0500 +++ b/WhistleMaster.lua Mon Feb 20 00:02:29 2017 -0500 @@ -16,9 +16,13 @@ local function GetDistance(nX, nY) local pX, pY = GetPlayerMapPosition("player") - - local dX = pX - nX - local dY = pY - nY + local dX, dY + if pX and pY then + dX = pX - nX + dY = pY - nY + else + return nil + end return math.sqrt( ( dX^2 ) + ( dY^2 ) ) end @@ -45,10 +49,14 @@ function UpdateWhistleMaster() if GetCurrentMapContinent() == 8 and WM_validIDs[ select(1, GetCurrentMapAreaID() ) ] and GetMapNameByID(GetCurrentMapAreaID()) == GetZoneText() and not GetNumDungeonMapLevels() then WM_ClosestNode = GetNode() - WhistleLoc:SetPoint("CENTER", "WorldMapFramePOI" .. WM_ClosestNode.index, 0, 0) - WhistleLoc:Show() - WhistlePing.Ping:Play() - return true + if _G[("WorldMapFramePOI" .. WM_ClosestNode.index)] then + WhistleLoc:SetPoint("CENTER", "WorldMapFramePOI" .. WM_ClosestNode.index, 0, 0) + WhistleLoc:Show() + WhistlePing.Ping:Play() + return true + else + return false + end else WhistleLoc:Hide() WhistlePing.Ping:Stop()