Simple CPU monitor for Starfalls and E2s, spawn on a Starfall screen component to use

chipmonitor.lua

--@name tools/CPU Tracker
--@author Cheezus
--@shared

-- To use this chip, spawn it on a Starfall screen component

if SERVER then
    if chip():isWeldedTo() then
        chip():isWeldedTo():linkComponent(chip())
    end

    local function getPlayerChips()
        local chips = {}

        local ents = table.add(find.byClass("gmod_wire_expression2"), find.byClass("starfall_processor"))

        for _, v in ipairs(ents) do
            local owner = v:getOwner()

            if isValid(owner) and v ~= chip() then
                local ownerName = owner:getName()

                chips[ownerName] = chips[ownerName] or {}

                local cpu = 0

                -- Catch SF error when trying to get usage of an E2 that's still uploading
                -- starfall/libs_sh/entities.lua:899: attempt to index field 'context' (a nil value)
                try(function()
                    cpu = v:getQuotaAverage() * 1000000
                end)

                table.insert(chips[ownerName], {
                    name = v:getChipName() or "",
                    cpu = cpu
                })
            end
        end

        return chips
    end

    timer.create("interval", 0.5, 0, function()
        local chips = getPlayerChips()

        net.start("sendChipData")
        net.writeTable(chips)
        net.send()
    end)
else
    render.createRenderTarget("bg")
    render.createRenderTarget("list")

    local headerFont = render.createFont("Roboto Mono", 36, nil, true)
    local listFont = render.createFont("Roboto Mono", 28, nil, true)

    local function drawToRT(rt, func)
        hook.add("renderoffscreen", "drawToRT" .. rt, function()
            render.selectRenderTarget(rt)
            func()
            render.selectRenderTarget()
            hook.remove("renderoffscreen", "drawToRT" .. rt)
        end)
    end

    drawToRT("bg", function()
        render.clear(Color(50, 50, 50))

        render.setColor(Color(200, 200, 200))
        render.drawRect(0, 48, 1022, 3)
        render.drawRect(512 - 80, 0, 3, 1024)
        render.drawRect(512 + 80, 0, 3, 1024)

        render.setFont(headerFont)
        render.drawText(20, 12, "Player")
        render.drawText(512, 12, "CPU (us)", 1)
        render.drawText(600, 12, "Chip Name")
    end)

    drawToRT("list", function()
        render.clear(Color(0, 0, 0, 0))
    end)

    net.receive("sendChipData", function()
        local chips = net.readTable()

        drawToRT("list", function()
            render.clear(Color(0, 0, 0, 0))

            local lineCount = 0

            for _, d in pairs(chips) do
                lineCount = lineCount + #d + 1
            end

            local row = 0

            render.setFont(listFont)

            for ply, plyChips in pairs(chips) do
                local playerCpu = 0

                for _, data in ipairs(plyChips) do
                    playerCpu = playerCpu + data.cpu
                end

                local playerIntensity = math.min(playerCpu / 1000, 1)
                local playerColor = Color(60 - math.max(playerIntensity - 0.5, 0) * 120, playerIntensity * 2, 1):hsvToRGB()

                if ply == "SANDERS" then
                    ply = "sanders sucks at coding"
                end

                render.setColor(playerColor)
                render.drawText(6, row * 26 + 40, ply)
                render.drawText(435, row * 26 + 40, "Total: " .. math.round(playerCpu))

                local chipCount = #plyChips

                if lineCount < 38 then
                    for _, data in ipairs(plyChips) do
                        row = row + 1

                        local chipIntensity = math.min(data.cpu / 1000, 1)
                        local chipColor = Color(60 - math.max(chipIntensity - 0.5, 0) * 120, chipIntensity * 2, 1):hsvToRGB()

                        local name = string.replace(data.name, "\n", " ")
                        if #name > 28 then
                            name = string.sub(name, 1, 28) .. "..."
                        end

                        render.setColor(chipColor)
                        render.drawText(589, row * 26 + 40, tostring(math.round(data.cpu)), 2)
                        render.drawText(605, row * 26 + 40, name)
                    end
                else
                    local s = string.format("[%s chip%s spawned]", chipCount, chipCount > 1 and "s" or "")
                    render.drawText(605, row * 26 + 40, s)
                end

                render.setColor(Color(100, 100, 100))
                render.drawRect(0, row * 26 + 67, 1024, 2)

                row = row + 1
            end
        end)
    end)

    hook.add("render", "drawChipList", function()
        render.setRenderTargetTexture("bg")
        render.drawTexturedRectFast(0, 0, 512, 512)

        render.setRenderTargetTexture("list")
        render.drawTexturedRect(0, 0, 512, 512)

        render.setRenderTargetTexture()
    end)
end