Radar

-- Wrap peripherals
local detector = peripheral.wrap("back") -- Change if needed
local monitor = peripheral.wrap("top")
-- Monitor setup
monitor.setTextScale(0.5)
monitor.setBackgroundColor(colors.black)
monitor.setTextColor(colors.white)

-- Radar and monitor parameters
local monWidth, monHeight = monitor.getSize()
local centerX, centerY = math.floor(monWidth / 2), math.floor(monHeight / 2)
local maxRange = 10

-- Click detection and display state
local iconMap = {}          -- screenX,screenY => entity
local infoEntityUUID = nil  -- UUID of selected entity
local currentEntity = nil   -- Cached entity data
local infoBoxLines = 5
local infoBoxXBtn = {x = monWidth - 2, y = 1} -- Position of [X] button

-- Convert relative world position to screen
local function toScreen(x, z)
    local scale = maxRange
    local screenX = centerX + math.floor(x / scale * centerX)
    local screenY = centerY + math.floor(z / scale * centerY)
    return screenX, screenY
end

-- Draw the info panel
local function drawInfo(entity)
    monitor.setBackgroundColor(colors.gray)
    monitor.setTextColor(colors.white)
    for i = 1, infoBoxLines do
        monitor.setCursorPos(1, i)
        monitor.write(string.rep(" ", monWidth))
    end

    -- Draw [X] close button
    monitor.setCursorPos(infoBoxXBtn.x, infoBoxXBtn.y)
    monitor.setTextColor(colors.red)
    monitor.write("[X]")

    monitor.setCursorPos(1, 1)
    monitor.setTextColor(colors.white)
    monitor.write("Name: " .. (entity.name or "unknown"))

    monitor.setCursorPos(1, 2)
    monitor.write("Type: " .. (entity.type or "unknown"))

    monitor.setCursorPos(1, 3)
    monitor.write("Player: " .. tostring(entity.isPlayer))

    monitor.setCursorPos(1, 4)
    monitor.write(string.format("Pos: %.1f, %.1f, %.1f", entity.x, entity.y, entity.z))

    monitor.setBackgroundColor(colors.black)
end

-- Redraw radar and info panel
local function drawRadar(entities)
    iconMap = {}
    monitor.setBackgroundColor(colors.black)
    monitor.clear()

    -- Radar center
    monitor.setCursorPos(centerX, centerY)
    monitor.setTextColor(colors.white)
    monitor.write("+")

    -- Plot entities
    for _, entity in ipairs(entities) do
        -- Skip armor stands
        if entity.type ~= "Armor Stand" then
            local screenX, screenY = toScreen(entity.x, entity.z)
            if screenX >= 1 and screenX <= monWidth and screenY >= 1 and screenY <= monHeight then
                local key = screenX .. "," .. screenY
                iconMap[key] = entity

                monitor.setCursorPos(screenX, screenY)
                if entity.isPlayer then
                    monitor.setTextColor(colors.lime)
                    monitor.write("P")
                else
                    monitor.setTextColor(colors.red)
                    monitor.write("E")
                end
            end

            -- Update selected entity if matched
            if infoEntityUUID and entity.uuid == infoEntityUUID then
                currentEntity = entity
            end
        end
    end

    if currentEntity then
        drawInfo(currentEntity)
    end

    monitor.setTextColor(colors.white)
end

-- Main loop
while true do
    local entities = detector.nearbyEntities()
    drawRadar(entities)

    local timer = os.startTimer(1)
    while true do
        local event, side, x, y = os.pullEvent()

        if event == "monitor_touch" then
            if x >= infoBoxXBtn.x and x <= infoBoxXBtn.x + 2 and y == infoBoxXBtn.y then
                infoEntityUUID = nil
                currentEntity = nil
                drawRadar(entities)
            else
                local key = x .. "," .. y
                if iconMap[key] then
                    infoEntityUUID = iconMap[key].uuid
                    currentEntity = iconMap[key]
                    drawRadar(entities)
                end
            end
        elseif event == "timer" and side == timer then
            break
        end
    end
end