Update CraftBukkit to Minecraft 1.7.2

By: mbax <matt@phozop.net>

paper-server/src/main/java/org/bukkit/craftbukkit/CraftAchievement.java

@@ -0,0 +1,44 @@
+package org.bukkit.craftbukkit;
+
+import org.bukkit.Achievement;
+
+import com.google.common.base.CaseFormat;
+import com.google.common.collect.BiMap;
+import com.google.common.collect.ImmutableBiMap;
+import com.google.common.collect.ImmutableMap;
+
+public class CraftAchievement {
+    private static final BiMap<String, Achievement> achievements;
+    static {
+        ImmutableMap<String, Achievement> specialCases = ImmutableMap.<String, Achievement>builder()
+                .put("achievement.buildWorkBench", Achievement.BUILD_WORKBENCH)
+                .put("achievement.diamonds", Achievement.GET_DIAMONDS)
+                .put("achievement.portal", Achievement.NETHER_PORTAL)
+                .put("achievement.ghast", Achievement.GHAST_RETURN)
+                .put("achievement.theEnd", Achievement.END_PORTAL)
+                .put("achievement.theEnd2", Achievement.THE_END)
+                .put("achievement.blazeRod", Achievement.GET_BLAZE_ROD)
+                .put("achievement.potion", Achievement.BREW_POTION)
+                .build();
+
+        ImmutableBiMap.Builder<String, Achievement> builder = ImmutableBiMap.<String, Achievement>builder();
+        for (Achievement achievement : Achievement.values()) {
+            if (specialCases.values().contains(achievement)) {
+                continue;
+            }
+            builder.put("achievement."+CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, achievement.name()), achievement);
+        }
+
+        builder.putAll(specialCases);
+
+        achievements = builder.build();
+    }
+
+    public static String getAchievementName(Achievement material) {
+        return achievements.inverse().get(material);
+    }
+
+    public static Achievement getAchievement(String name) {
+        return achievements.get(name);
+    }
+}