Add drawn wing shapes to the slot builder

A new Drawn wings design draws angel, bat, butterfly, fairy and phoenix
wings from lines and curves instead of images. The points per wing can be
set from 6 to 60, so sparse wings stay cheap enough to show often.

LobbySystem/src/de/steamwar/lobby/particle/design/Designs.java

@@ -20,6 +20,7 @@
 package de.steamwar.lobby.particle.design;
 
 import de.steamwar.lobby.particle.ParticleElement;
+import de.steamwar.lobby.particle.DrawnWings;
 import de.steamwar.lobby.particle.WingDesign;
 import de.steamwar.lobby.particle.elements.Circle;
 import de.steamwar.lobby.particle.elements.Cloud;
@@ -105,6 +106,27 @@ public class Designs {
         }
     };
 
+    public final ChoiceParameter<DrawnWings> DRAWN_SHAPE = ChoiceParameter.ofEnum("shape", "PARTICLE_PARAM_DRAWN_SHAPE", DrawnWings.ANGEL);
+    public final IntParameter WING_DETAIL = new IntParameter("detail", "PARTICLE_PARAM_WING_DETAIL", 20, 6, 60);
+
+    // Wings drawn from lines, with a chosen number of points per wing; sparse ones stay cheap enough to show often
+    public final ParticleDesign DRAWN_WING = new ParticleDesign("drawn_wing", Material.FEATHER, "PARTICLE_DESIGN_DRAWN_WING", DRAWN_SHAPE, WING_DETAIL, WING_SIZE) {
+        @Override
+        public ParticleElement build(ParameterValues values, ParticleElement particle) {
+            return new Wing(particle, values.get(WING_SIZE), values.get(DRAWN_SHAPE).withDetail(values.get(WING_DETAIL)));
+        }
+
+        @Override
+        public int points(ParameterValues values) {
+            return 2 * values.get(WING_DETAIL);
+        }
+
+        @Override
+        public void applyDefaults(ParameterValues values) {
+            WING.applyDefaults(values);
+        }
+    };
+
     public final ParticleDesign CLOUD = new ParticleDesign("cloud", Material.WHITE_WOOL, "PARTICLE_DESIGN_CLOUD") {
         @Override
         public ParticleElement build(ParameterValues values, ParticleElement particle) {
@@ -115,7 +137,7 @@ public class Designs {
     private Map<String, ParticleDesign> registry() {
         if (registry == null) {
             Map<String, ParticleDesign> designs = new LinkedHashMap<>();
-            List.of(SIMPLE, CIRCLE, WING, CLOUD).forEach(design -> register(designs, design));
+            List.of(SIMPLE, CIRCLE, WING, DRAWN_WING, CLOUD).forEach(design -> register(designs, design));
             RewardDesigns.all().forEach(design -> register(designs, design));
             InternalDesigns.all().forEach(design -> register(designs, design));
             registry = designs;