Replace references to NEU with Firmament

src/main/kotlin/moe/nea/firmament/hud/RepoDownloadProgress.kt

@@ -0,0 +1,63 @@
+package moe.nea.firmament.hud
+
+import io.github.cottonmc.cotton.gui.client.ScreenDrawing
+import io.github.cottonmc.cotton.gui.widget.WWidget
+import io.github.cottonmc.cotton.gui.widget.data.HorizontalAlignment
+import io.github.cottonmc.cotton.gui.widget.data.Insets
+import net.minecraft.client.util.math.MatrixStack
+import kotlin.math.roundToInt
+import kotlin.math.sin
+
+
+val Insets.vertical get() = bottom + top
+val Insets.horizontal get() = left + right
+
+class ProgressBar(
+    var label: String,
+    var total: Int?, // If total is null, then make it a bouncy rectangle
+    var progress: Int = 0,
+) : WWidget() {
+
+    var insets: Insets = Insets(7)
+    override fun canResize(): Boolean = true
+
+
+    fun reportProgress(label: String, progress: Int, total: Int?) {
+        synchronized(this) {
+            this.label = label
+            this.progress = progress
+            this.total = total
+        }
+
+    }
+
+    override fun paint(matrices: MatrixStack, x: Int, y: Int, mouseX: Int, mouseY: Int) {
+        ScreenDrawing.coloredRect(matrices, x, y, width, height, 0xFF808080.toInt())
+        val (l, prog) = synchronized(this) {
+            label to (progress to total)
+        }
+        val (p, t) = prog
+
+        if (t == null) {
+            ScreenDrawing.coloredRect(
+                matrices,
+                (x + (1 + sin(System.currentTimeMillis().toDouble() / 1000)) * width * 3 / 4 / 2).roundToInt(),
+                y,
+                width / 4,
+                height,
+                0xFF00FF00.toInt()
+            )
+        } else {
+            ScreenDrawing.coloredRect(matrices, x, y, width * p / t, height, 0xFF00FF00.toInt())
+        }
+        ScreenDrawing.drawString(
+            matrices,
+            if (t != null) "$l ($p/$t)" else l,
+            HorizontalAlignment.CENTER,
+            x + insets.left,
+            y + insets.top,
+            width - insets.horizontal,
+            height - insets.vertical,
+        )
+    }
+}