Display entity projectile definition

api-internal/src/main/java/at/pavlov/internal/projectile/definition/CustomProjectileDefinition.java

@@ -33,4 +33,6 @@ public class CustomProjectileDefinition implements ProjectilePhysics {
     private final @Nullable Integer customModelData;
 
     private final @NotNull Map<String, @NotNull Double> attributes;
+
+    private final @NotNull Map<String, @NotNull Double> entityDisplayData;
 }

cannons-bukkit/src/main/java/at/pavlov/cannons/projectile/definitions/ProjectileDefinitionLoader.java

@@ -57,18 +57,22 @@ private static void loadEntry(YamlConfiguration cfg, String node) {
                 .charged(section.getBoolean("charged"))
                 .critical(section.getBoolean("critical"))
                 .material(Key.from(section.getString("material", "SNOWBALL")))
-                .customModelData(section.getObject("customModelData", Integer.class, null));
+                .customModelData(section.getObject("customModelData", Integer.class, null))
+                .attributes(getStringDoubleHashMap(section, "attributes"))
+                .entityDisplayData(getStringDoubleHashMap(section, "entityDisplayData"));
 
-        var attributeSection = section.getConfigurationSection("attributes");
+        Registries.CUSTOM_PROJECTILE_DEFINITION.register(builder.build());
+    }
+
+    private static @NotNull HashMap<String, @NotNull Double> getStringDoubleHashMap(ConfigurationSection section, String key) {
+        var attributeSection = section.getConfigurationSection(key);
         HashMap<String, @NotNull Double> attributeMap = new HashMap<>();
         if (attributeSection != null) {
             for (var attrName : attributeSection.getKeys(false)) {
                 var value = attributeSection.getDouble(attrName);
                 attributeMap.put(attrName, value);
             }
         }
-
-        builder = builder.attributes(attributeMap);
-        Registries.CUSTOM_PROJECTILE_DEFINITION.register(builder.build());
+        return attributeMap;
     }
 }

cannons-bukkit/src/main/resources/projectile_definitions.yml

@@ -22,6 +22,20 @@
 #    attributes:
 #       scale: 2.0
 #
+#    # available for all entities that are Display, mainly for ItemDisplay
+#    entityDisplayData:
+#       # initial rotations
+#       rotationX: 5.0
+#       rotationY: -5.0
+#       rotationZ: 0.0
+#
+#       # change in rotation in degrees x tick
+#       rotationSpeedX: -5.0
+#       rotationSpeedY: 2.0
+#       rotationSpeedZ: 0.0
+#
+#       size: 4.0
+#
 #    # this stuff is for throwable projectiles, such as snowballs, and item displays
 #    material: SNOWBALL # you can set any material https://hub.spigotmc.org/javadocs/bukkit/org/bukkit/Material.html
 #    customModelData: 123 # must be an integer, texturepack magic number goes here