LUA Multiplayer Human Shared Sight - Advice?

[blacknight678]

Looking to make a LUA mod that will enable shared sight for all humans in a multiplayer game (like being on a team without being on a team). I am competent in C++/Python, but am new to Lua.

I am aware of this (https://www.reddit.com/r/civ/comments/49yr85/civ5_shared_vision_mod/) but I want it to work on Mac as well hence Lua, not DLL :-(

So far what I see:

void Events.HexFOWStateChanged(Vector2 hexPos, int fowType, bool wholeMap)

local gridPosX, gridPosY = ToGridFromHex( hexPos.x, hexPos.y );
local pPlot = Map.GetPlot( gridPosX, gridPosY );
​

Now I have the plot. Iterate over all players or teams and ask:

int IsEverAlive()
int IsHuman()
PlayerID GetTeam()
int Plot:IsRevealed(TeamID team, bool debug)
int Plot:IsVisible(TeamID team, bool debug)​

Take the most visible value (visible > fog > cloud) and apply it to all human teams:

void Plot:SetRevealed(TeamID team, bool newValue, bool terrainOnly, TeamID fromTeam)​

And finish up with:

UpdateFog
UpdateVisibility​

Not sure how Plot:SetRevealed or bool wholeMap work without testing or insight from someone here.

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Any advice on a better way to do this, why the above won't work, or gotcha's I should be aware of?