Add lecterns

src/main/java/electroblob/wizardry/util/ISpellSortable.java

@@ -0,0 +1,35 @@
+package electroblob.wizardry.util;
+
+import electroblob.wizardry.spell.Spell;
+
+import java.util.Comparator;
+
+/** Interface for things that have a list of spells that can be sorted using {@link SortType}. This allows
+ * {@link electroblob.wizardry.client.gui.GuiButtonSpellSort GuiButtonSpellSort} to change its appearance based on the
+ * current sort setting. */
+public interface ISpellSortable {
+
+	/** Returns the current sort type this {@code ISpellSortable} is set to sort by. */
+	SortType getSortType();
+
+	/** Returns true if this {@code ISpellSortable} is currently set to sort in descending order, false if it is
+	 * set to sort in ascending order. */
+	boolean isSortDescending();
+
+	enum SortType {
+
+		TIER("tier", Comparator.naturalOrder()),
+		ELEMENT("element", Comparator.comparing(Spell::getElement).thenComparing(Spell::getTier)),
+		ALPHABETICAL("alphabetical", Comparator.comparing(Spell::getUnlocalisedName));
+
+		public String name;
+		public Comparator<? super Spell> comparator;
+
+		SortType(String name, Comparator<? super Spell> comparator){
+			this.name = name;
+			this.comparator = comparator;
+		}
+
+	}
+
+}

src/main/java/electroblob/wizardry/util/ParticleBuilder.java

@@ -93,6 +93,8 @@ public final class ParticleBuilder {
 	public static class Type {
 		/** 3D-rendered light-beam particle.<p></p><b>Defaults:</b><br>Lifetime: 1 tick<br> Colour: white */
 		public static final ResourceLocation BEAM = new ResourceLocation(Wizardry.MODID,"beam");
+		/** Square block face highlight particle.<p></p><b>Defaults:</b><br>Lifetime: 160 ticks<br>Colour: white */
+		public static final ResourceLocation BLOCK_HIGHLIGHT = new ResourceLocation(Wizardry.MODID,"block_highlight");
 		/** Helical animated 'buffing' particle.<p></p><b>Defaults:</b><br>Lifetime: 15 ticks
 		 * <br>Velocity: (0, 0.27, 0)<br>Colour: white */
 		public static final ResourceLocation BUFF = new ResourceLocation(Wizardry.MODID,"buff");