Add entity_in_water()

src/main/java/com/laytonsmith/abstraction/MCEntity.java

@@ -110,4 +110,6 @@ public interface MCEntity extends MCMetadatable {
 	void setFreezingTicks(int ticks);
 
 	int getEntityId();
+
+	boolean isInWater();
 }

src/main/java/com/laytonsmith/abstraction/bukkit/entities/BukkitMCEntity.java

@@ -393,4 +393,9 @@ public int getEntityId() {
 		return e.getEntityId();
 	}
 
+	@Override
+	public boolean isInWater() {
+		return e.isInWater();
+	}
+
 }

src/main/java/com/laytonsmith/core/functions/EntityManagement.java

@@ -5317,4 +5317,32 @@ public Version since() {
 		}
 
 	}
+
+	@api
+	public static class entity_in_water extends EntityGetterFunction {
+
+		@Override
+		public String getName() {
+			return "entity_in_water";
+		}
+
+		@Override
+		public String docs() {
+			return "boolean {entityUUID} Returns whether an entity is colliding with water."
+					+ " This accounts for waterlogged blocks, bubble columns, and fluid height."
+					+ " It does not account for water cauldrons.";
+		}
+
+		@Override
+		public Mixed exec(Target t, Environment env, Mixed... args) throws ConfigRuntimeException {
+			MCEntity entity = Static.getEntity(args[0], t);
+			return CBoolean.get(entity.isInWater());
+		}
+
+		@Override
+		public Version since() {
+			return MSVersion.V3_3_5;
+		}
+
+	}
 }