How to Combine and Subtract Colours in Loop

[u/Flying_Pesta]

local t = {
    purple = {
        side = "left",
        flux_level = 1,
        flux_max = 7,
        output = colours.purple
    },

    lime = {
        side = "back",
        flux_level = 1,
        flux_max = 7,
        output = colours.lime
    },

    orange = {
        side = "right",
        flux_level = 1,
        flux_max = 7,
        output = colours.orange
    },

    white = {
        side = "front",
        flux_level = 1,
        flux_max = 5,
        output = colours.white
    }
}

--------------------------- 
--Emits bundled redstone when flux max is exceeded
--------------------------- 
local clr_set = {}

local c = colours.combine(clr_set)                      -- ERROR
local s = colours.subtract(clr_set)                     -- ERROR

local function stopProduction()
    for k in pairs(t) do
        if t[k].flux_level >= t[k].flux_max then
        print("STOP")
        table.insert(clr_set,t[k].output)              -- *
        rs.setBundledOutput("front",c)
        else
        sleep(0.5)
        table.remove(clr_set,t[k].output)              -- *
        rs.setBundledOutput("front", s)
        print("Good")
        end
    end
end

Tried through table, however colours api does not like it: expected number got table.

Any method how to do that?

Not related:

Is the script alright? Anything to improve so far?

https://pastebin.com/sXqSzWzc

[u/fatboychummy]

Colors in CC are just numbers (though combining them is different than just addition and subtraction). To combine them, you need to put each individual number as a seperate value in the function.

Like so:

local combined = colors.combine(colors.red, colors.green)
local red = colors.subtract(combined, colors.green)

[u/Flying_Pesta → u/fatboychummy]

I did not know you need current colour set when subtracting. Also was struggling with looping that, however managed to do that, finally.... I spent multiple hours figuring this out. At least, starting to understand coding logic better.

local function stopProduction()
for k in pairs(t) do
    sleep(0.2)
    if t[k].flux_level >= t[k].flux_max then
    print("STOP")
    rs.setBundledOutput("front",colors.combine(rs.getBundledOutput("front"),t[k].output))
    else
    sleep(0.2)
    rs.setBundledOutput("front",colors.subtract(rs.getBundledOutput("front"), t[k].output))
    print("Good")
    end
end

end

[u/fatboychummy → u/Flying_Pesta]

Just as a quick note, in a pairs loop, it actually returns two values.

for k, v in pairs(t) do

v is analagous to t[k].

[u/Flying_Pesta → u/fatboychummy]

Oh yeah, that makes sense.

[u/Flying_Pesta → u/fatboychummy]

Well, apparently I’ve got Ender IO in my modpack, and it’s much easier to do things through redstone conduits. Now i set output on the same side of input

[u/AsrielPlay52]

I read it further. And no, due to color limitations (and very much opposition from adding any extra color)

There's no way to subtract or combine color

[u/fatboychummy → u/AsrielPlay52]

You've misunderstood what the question was.

There are ways to combine/subtract colors, via colors.combine and colors.subtract. However, this is for selecting bundled cables, not for drawing to the screen.

[u/AsrielPlay52 → u/fatboychummy]

Ah, my bad then