<script src="acl/acl_chat.lua" type="server"/>

for i, v in ipairs(getElementsByType("player")) do

	local x, y, z = getElementPosition(v)

	local x2, y2, z2 = getElementPosition(player) -- player represents the player who triggered the chat command.

	local distance = getDistanceBetweenPoints3D(x, y, z, x2, y2, z2)

	if (distance <= 10) then

		outputChatBox("YOUR MESSAGE", v)

	end

end

-- define our chat radius

local chatRadius = 20 --units



-- define a handler that will distribute the message to all nearby players

function sendMessageToNearbyPlayers(message, messageType)

    -- we will only send normal chat messages, action and team types will be ignored

    if messageType == 0 then

        -- get the chatting player's position

        local posX1, posY1, posZ1 = getElementPosition(source)



        -- loop through all player and check distance

        for id, player in ipairs(getElementsByType("player")) do

            local posX2, posY2, posZ2 = getElementPosition(player)

            if getDistanceBetweenPoints3D(posX1, posY1, posZ1, posX2, posY2, posZ2) <= chatRadius then

                outputChatBox(message, player)

            end

        end

    end

    -- block the original message by cancelling this event

    cancelEvent()

end

-- attach our new chat handler to onPlayerChat

addEventHandler( "onPlayerChat", root, sendMessageToNearbyPlayers )