gamemode hooks

local h = {
    hooks = {},
};

local null = function() end

function h.detour(typ)
    h.hooks[typ] = {};

    local ofunc = GAMEMODE[typ] || null;

    GAMEMODE[typ] = function(self, ...)

        ofunc(self, ...);

        for k,v in next, h.hooks[typ] do
            local retable = { v(...) };
            if (retable) then return(unpack(retable)); end
        end

    end
end

function h.Add(typ, func)
    if(!h.hooks[typ]) then
        h.detour(typ);
    end

    h.hooks[typ][ #h.hooks[typ] + 1 ] = func;
end

--example:

h.Add("Think", function() print("nice"); end);