Laying it on

- TextVisual renders an arbitrary number of layers
- Layers have relatively fine control over how the glyph instances are
  set up
- Encapsulate all fields in TextVisual
- Move Sinks to a thread local

common/src/lib/java/dev/engine_room/flywheel/lib/visual/text/SimpleTextLayer.java

@@ -0,0 +1,71 @@
+package dev.engine_room.flywheel.lib.visual.text;
+
+import java.util.Objects;
+
+import org.jetbrains.annotations.Nullable;
+
+public record SimpleTextLayer(GlyphMeshStyle style, GlyphMaterial material, GlyphColor color, int bias, float offsetX,
+							  float offsetY, float effectOffsetX, float effectOffsetY) implements TextLayer {
+	public static class Builder {
+		@Nullable
+		private GlyphMeshStyle style;
+		@Nullable
+		private GlyphMaterial material;
+		@Nullable
+		private GlyphColor color;
+
+		private int bias;
+		private float offsetX = 0;
+		private float offsetY = 0;
+		private float effectOffsetX = 1;
+		private float effectOffsetY = 1;
+
+		public Builder style(GlyphMeshStyle style) {
+			this.style = style;
+			return this;
+		}
+
+		public Builder material(GlyphMaterial material) {
+			this.material = material;
+			return this;
+		}
+
+		public Builder color(GlyphColor color) {
+			this.color = color;
+			return this;
+		}
+
+		public Builder bias(int bias) {
+			this.bias = bias;
+			return this;
+		}
+
+		public Builder offsetX(float offsetX) {
+			this.offsetX = offsetX;
+			return this;
+		}
+
+		public Builder offsetY(float offsetY) {
+			this.offsetY = offsetY;
+			return this;
+		}
+
+		public Builder effectOffsetX(float effectOffsetX) {
+			this.effectOffsetX = effectOffsetX;
+			return this;
+		}
+
+		public Builder effectOffsetY(float effectOffsetY) {
+			this.effectOffsetY = effectOffsetY;
+			return this;
+		}
+
+		public SimpleTextLayer build() {
+			Objects.requireNonNull(style);
+			Objects.requireNonNull(material);
+			Objects.requireNonNull(color);
+
+			return new SimpleTextLayer(style, material, color, bias, offsetX, offsetY, effectOffsetX, effectOffsetY);
+		}
+	}
+}