local tDrawPlayers = {}
local uDrawPlayers = 0

function AddDrawPlayer(pPlayer)
    -- Only increment if the player isn't already in the table
    if (not tDrawPlayers[pPlayer]) then
        uDrawPlayers = uDrawPlayers + 1
        tDrawPlayers[uDrawPlayers] = pPlayer -- Store in array for quick iteration
        tDrawPlayers[pPlayer] = uDrawPlayers -- Store in hash for quick lookup
    end
end

function RemoveDrawPlayer(pPlayer)
    local uIndex = tDrawPlayers[pPlayer]

    if (uIndex ~= nil) then
        -- If we removed the tail, just do a normal removal
        if (uIndex == uDrawPlayers) then
            tDrawPlayers[pPlayer] = nil
            tDrawPlayers[uIndex] = nil
        -- If we removed a player in the middle of the array
        -- fill the hole with the tail
        else
            local pLastPlayer = tDrawPlayers[uDrawPlayers]
            tDrawPlayers[uIndex] = pLastPlayer
            tDrawPlayers[pLastPlayer] = uIndex -- Update the index in the hash entry
            tDrawPlayers[uDrawPlayers] = nil
        end

        uDrawPlayers = uDrawPlayers - 1
    end
end

local bDontDrawPlayers = false

-- Don't draw any of our targetted players between PreRender and PostRender
hook.Add("PreRender", "foo", function()
    bDontDrawPlayers = true
end)

hook.Add("PrePlayerDraw", "foo", function(pPlayer)
    if (bDontDrawPlayers and tDrawPlayers[pPlayer] ~= nil) then
        return true
    end
end)

hook.Add("PostRender", "foo", function()
    bDontDrawPlayers = false

    if (uDrawPlayers ~= 0) then
        cam.Start3D()
            for i = 1, uDrawPlayers do
                tDrawPlayers[uDrawPlayers]:DrawModel()
            end
        cam.End3D()
    end

    -- Leave the skip-draw bool as false so any player rendering outside of the standard render context aren't blocked
end)