cp.lua

    local create = function(plate)
        plate.cp = plate:CreateFontString(nil, 'OVERLAY')
        plate.cp:SetFont(STANDARD_TEXT_FONT, 20, 'OUTLINE')
        plate.cp:SetPoint('BOTTOMLEFT', plate, 'TOPLEFT')
        plate.cp:SetTextColor(0, .8, .4)
        plate.cp:Hide()
        plate.modded = true
    end

    local isPlate = function(frame)
        local overlayRegion = frame:GetRegions()
        if not overlayRegion or overlayRegion:GetObjectType() ~= 'Texture'
        or overlayRegion:GetTexture() ~= [[Interface\Tooltips\Nameplate-Border]] then
            return false
        end
        return true
    end

    local matchPlate = function(plate)
        if plate.cp then
            local health = plate:GetChildren()
            local _, _, name = plate:GetRegions()
            local text   = name:GetText()
            local target = GetUnitName'target'
            local cp 	 = GetComboPoints()
            if target == text and health:GetAlpha() == 1 and cp > 0 then
            	plate.cp:Show()
            	plate.cp:SetText(cp)
            else plate.cp:Hide() end
        end
    end

    local f = CreateFrame'Frame'
    f:SetScript('OnUpdate', function()
        local frames = {WorldFrame:GetChildren()}
	    for _, plate in ipairs(frames) do
            if isPlate(plate) and plate:IsVisible() then
                if not plate.modded then create(plate) end
                matchPlate(plate)
            end
        end
    end)

    --