init (accidently [doxxed myself](https://github.com/JannisX11/blockbench/issues/1322))

scripts/nameplate.lua

@@ -0,0 +1,98 @@
+local g = require("scripts.libs.gradient")
+
+---@class ColoredText
+---@field text string
+---@field color string
+
+---@param name string
+---@param gradient Gradient
+---@param count number number of gradients to be present in the span
+---@param phase_shift number shift of the gradient
+---@returns string
+local function render_gradient_name(name, gradient, count, phase_shift)
+    local string_width = client.getTextWidth(name) / count;
+    local string_width_chars = {};
+    for i = 1, #name do
+        string_width_chars[i] = client.getTextWidth(name:sub(i, i))
+    end
+
+    ---@type ColoredText[]
+    local result = {}
+
+    local acc = 0;
+    for i = 1, #name do
+        local offset = acc + string_width_chars[i];
+        local color = gradient:at((offset / string_width) + phase_shift);
+        acc = offset
+
+        result[i] = {
+            text = name:sub(i, i),
+            color = color:toHex(true, false)
+        }
+    end
+
+    return toJson(result)
+end
+
+---@param name string
+---@param gradient Gradient
+---@param nameplates Nameplate | Nameplate[] where to use the animated name
+---@param count number number of gradients to be present in the span
+---@param phase_shift_rate number how fast to shift the gradient
+---@returns fun():void # function to unregister
+local function animate_gradient_name(name, gradient, nameplates, count, phase_shift_rate)
+    if type(nameplates) ~= "table" then
+        nameplates = {nameplates}
+    end
+
+    local phase_shift = 0;
+    local function render()
+        if client.isPaused() then
+            return
+        end
+
+        phase_shift = phase_shift + phase_shift_rate
+
+        local result = render_gradient_name(name, gradient, count, phase_shift)
+        for _, nameplate in pairs(nameplates) do
+            nameplate:setText(result)
+        end
+    end
+
+    events.render:register(render)
+    return function ()
+        events.render:remove(render)
+    end
+end
+
+---@param name string
+---@param gradient Gradient
+---@param nameplates Nameplate | Nameplate[] where to use the static name
+---@param count number number of gradients to be present in the span
+---@param phase_shift number shift of the gradient
+local function static_gradient_name(name, gradient, nameplates, count, phase_shift)
+    if type(nameplates) ~= "table" then
+        nameplates = {nameplates}
+    end
+
+    local result = render_gradient_name(name, gradient, count, phase_shift);
+    for _, nameplate in pairs(nameplates) do
+        nameplate:setText(result)
+    end
+end
+
+local name = "reidlab!"
+local gradient_count = 1
+local gradient = g.SimpleGradientBuilder.new()
+    :add({ "#d87b5a", "#e0ab91" })
+    :reflect(false)
+    :build()
+
+animate_gradient_name(name, gradient, {
+    nameplate.ENTITY,
+    nameplate.LIST
+}, gradient_count, 0.005)
+
+static_gradient_name(name, gradient, {
+    nameplate.CHAT
+}, gradient_count, 0)