Minecraft 1.12-pre2 API Changes

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

paper-api/src/main/java/org/bukkit/advancement/AdvancementProgress.java

@@ -0,0 +1,64 @@
+package org.bukkit.advancement;
+
+import java.util.Collection;
+import java.util.Date;
+
+/**
+ * The individual status of an advancement for a player. This class is not
+ * reference safe as the underlying advancement may be reloaded.
+ */
+public interface AdvancementProgress {
+
+    /**
+     * The advancement this progress is concerning.
+     *
+     * @return the relevant advancement
+     */
+    Advancement getAdvancement();
+
+    /**
+     * Check if all criteria for this advancement have been met.
+     *
+     * @return true if this advancement is done
+     */
+    boolean isDone();
+
+    /**
+     * Mark the specified criteria as awarded at the current time.
+     *
+     * @param criteria the criteria to mark
+     * @return true if awarded, false if criteria does not exist or already
+     * awarded.
+     */
+    boolean awardCriteria(String criteria);
+
+    /**
+     * Mark the specified criteria as uncompleted.
+     *
+     * @param criteria the criteria to mark
+     * @return true if removed, false if criteria does not exist or not awarded
+     */
+    boolean revokeCriteria(String criteria);
+
+    /**
+     * Get the date the specified critera was awarded.
+     *
+     * @param criteria the criteria to check
+     * @return date awarded or null if unawarded or criteria does not exist
+     */
+    Date getDateAwarded(String criteria);
+
+    /**
+     * Get the criteria which have not been awarded.
+     *
+     * @return unmodifiable copy of criteria remaining
+     */
+    Collection<String> getRemainingCriteria();
+
+    /**
+     * Gets the criteria which have been awarded.
+     *
+     * @return unmodifiable copy of criteria awarded
+     */
+    Collection<String> getAwardedCriteria();
+}