Lua Tfs 1.2 Spell that heals everyone around

[Tbol]

Anyone got a spell when you cast it it executes effect that heals everyone in party for x period of time with x interval with x amount of heal and its 1 tile range around the caster and also has a limit how many heals if there are already two heals, a third one would not trigger or wont heal the player that stands in those tiles

 

[Fluffydrakoz]

Anyone got a spell when you cast it it executes effect that heals everyone in party for x period of time with x interval with x amount of heal and its 1 tile range around the caster and also has a limit how many heals if there are already two heals, a third one would not trigger or wont heal the player that stands in those tiles

Not tested..

local config = {
    healAmount = 50,       -- how much per tick
    interval = 2000,       -- ms between heals
    duration = 10000,      -- ms total duration
    radius = 1,            -- tiles around caster
    maxInstances = 2       -- maximum active auras
}

local activeAuras = {}

local function doHealingAura(cid, position, ticksLeft)
    local player = Player(cid)
    if not player then
        activeAuras[cid] = nil
        return
    end

    local spectators = Game.getSpectators(position, false, true, config.radius, config.radius, config.radius, config.radius)
    for _, target in ipairs(spectators) do
        if target:isPlayer() then
            target:addHealth(config.healAmount)
            position:sendMagicEffect(CONST_ME_MAGIC_BLUE)
        end
    end

    if ticksLeft > 0 then
        addEvent(doHealingAura, config.interval, cid, position, ticksLeft - 1)
    else
        activeAuras[cid] = nil
    end
end

function onCastSpell(creature, var)
    local cid = creature:getId()

    local activeCount = 0
    for _, _ in pairs(activeAuras) do
        activeCount = activeCount + 1
    end
    if activeCount >= config.maxInstances then
        creature:sendCancelMessage("Too many healing auras are already active.")
        return false
    end

    activeAuras[cid] = true
    local ticks = math.floor(config.duration / config.interval)
    doHealingAura(cid, creature:getPosition(), ticks)

    return true
end