Update to Minecraft 1.13-pre7

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/entity/TropicalFish.java

@@ -0,0 +1,72 @@
+package org.bukkit.entity;
+
+import org.bukkit.DyeColor;
+
+/**
+ * Tropical fish.
+ */
+public interface TropicalFish extends Fish {
+
+    /**
+     * Gets the color of the fish's pattern.
+     *
+     * @return pattern color
+     */
+    DyeColor getPatternColor();
+
+    /**
+     * Sets the color of the fish's pattern
+     *
+     * @param color pattern color
+     */
+    void setPatternColor(DyeColor color);
+
+    /**
+     * Gets the color of the fish's body.
+     *
+     * @return pattern color
+     */
+    DyeColor getBodyColor();
+
+    /**
+     * Sets the color of the fish's body
+     *
+     * @param color body color
+     */
+    void setBodyColor(DyeColor color);
+
+    /**
+     * Gets the fish's pattern.
+     *
+     * @return pattern
+     */
+    Pattern getPattern();
+
+    /**
+     * Sets the fish's pattern
+     *
+     * @param pattern new pattern
+     */
+    void setPattern(Pattern pattern);
+
+    /**
+     * Enumeration of all different fish patterns. Refer to the
+     * <a href="https://minecraft.gamepedia.com/Fish_(mob)">Minecraft Wiki</a>
+     * for pictures.
+     */
+    public static enum Pattern {
+
+        KOB,
+        SUNSTREAK,
+        SNOOPER,
+        DASHER,
+        BRINELY,
+        SPOTTY,
+        FLOPPER,
+        STRIPEY,
+        GLITTER,
+        BLOCKFISH,
+        BETTY,
+        CLAYFISH;
+    }
+}