GestureHandler.lua

local _, addon = ...;

local MOUNT_NAMES = {
  "Steed", "Charger", "Battle Tank", "Felsteed", "Mare"
};
local FORCE_FOLLOW_SCORE = 9999;
local DEFAULT_MOUNT_SCORE = 35;
local DEFAULT_PRIO_FOLLOW_SCORE = 35;
local DEFAULT_FOLLOW_SCORE = 15;

local DEFAULT_MOVING_THRESHOLD = 8; -- within 8 seconds, we can start jumpin'.
local SPEED_THRESHOLD = 7;

addon.getShouldMount = function()
  local isMounted = addon.getTargetHasBuff(addon.followBean.target, MOUNT_NAMES);
  local isPlayerMounted = addon.getTargetHasBuff("player", MOUNT_NAMES);

  if (isMounted ~= isPlayerMounted) then
    if (addon.playerBean["isInCombat"] and isMounted) then
      return false
    else
      return true;
    end
  end

  return false;
end

addon.updateFollow = function() 
  if (addon.playerBean["isMoving"]) then
    addon.followBean.playerLastMoving = GetTime();
  end

	-- logic. never let the target player go outside of follow range
	if (UnitIsDeadOrGhost(addon.followBean.target)) then
		return;
	end

  addon.followBean.followAction = "Nothing";
  addon.followBean.followScore = 0;
  addon.followBean.followTarget = -1;

	if LightStatus.followBlock then
		return
	end

	if (addon.followBean.targetName) then
		local inTen = CheckInteractDistance(addon.followBean.target, 2); -- 10 yard range
		local inTwenty = IsItemInRange(6450, addon.followBean.target);
		local inThirty = CheckInteractDistance(addon.followBean.target, 4); -- 30 yard range
		local inFourty = UnitInRange(addon.followBean.target);

    if (inFourty and addon.getShouldMount()) then
      addon.followBean.followAction = "Mount";
      addon.followBean.followScore = DEFAULT_MOUNT_SCORE;
      addon.followBean.followTarget = -1;

			if (LightStatus.onlyFollow) then
				addon.followBean.followScore = FORCE_FOLLOW_SCORE;
			end

      return;
    end

		if (not inThirty) then
			addon.followBean.followScore = 0;

			-- find a new follow target
			for k, v in pairs(addon.friendBean) do
				if (v ~= nil) then
					if ((not (k == addon.playerGuid)) and v.isInFollowRange) then
						addon.followBean.followTarget = v.targetString;
            addon.followBean.followAction = "Follow";
						addon.followBean.followScore = DEFAULT_PRIO_FOLLOW_SCORE;
						
						if (LightStatus.onlyFollow) then
							addon.followBean.followScore = FORCE_FOLLOW_SCORE;
						end
						
						break;
					end
				end
			end
		else
			addon.followBean.followTarget = addon.followBean.target;
      addon.followBean.followAction = "Follow";
			addon.followBean.followScore = 0;
			
			if ((not addon.playerBean["isInCombat"]) or (GetUnitSpeed(addon.followBean.target) ~= 0)) then
				if (LightStatus.onlyFollow) then
					addon.followBean.followScore = FORCE_FOLLOW_SCORE;
				elseif (inThirty and not inTwenty) then
					addon.followBean.followScore = DEFAULT_PRIO_FOLLOW_SCORE;
				elseif (inTwenty and not inTen) then
					addon.followBean.followScore = DEFAULT_FOLLOW_SCORE;
				end
			end

      if ((addon.followBean.followScore > 0) and
					(addon.playerBean["speed"] > 0)) then
  
				-- assume player is moving
        addon.followBean.followAction = "Jump";
      end
    end
	end
end