Fixes issue #1. XP now calculated correctly.

Removed use of method getTotalExperience(), which gives amount used
for score.

com/scott_weldon/xp_to_emerald/XPtoEmerald.java

@@ -489,7 +489,7 @@ private boolean xpToEmerald(Player player, int xp) {
         .get(world.getName()) : this.scale;
     Material material = (worldMaterials.containsKey(world.getName())) ? worldMaterials
         .get(world.getName()) : this.material;
-    int exp = player.getTotalExperience();
+    int exp = getTotalXP(player);
     if (xp == 0) {
       xp = exp;
     }
@@ -547,7 +547,7 @@ private boolean emeraldToXP(Player player, int emeralds) {
       return true;
     }
 
-    int exp = player.getTotalExperience() + (emeralds * scale);
+    int exp = getTotalXP(player) + (emeralds * scale);
     setTotalXP(player, exp);
     if ((numOfEmeralds - emeralds) > 0) {
       inventory.addItem(new ItemStack(material, numOfEmeralds - emeralds));
@@ -556,6 +556,31 @@ private boolean emeraldToXP(Player player, int emeralds) {
     return true;
   }
 
+  private int getTotalXP(Player player) {
+    int xp = 0;
+    int level = player.getLevel();
+    float xpPct = player.getExp();
+    int xpToNext;
+
+    if (level < 16) {
+      xp = 17 * level;
+      xpToNext = 17;
+    }
+    else if (level < 31) {
+      xp = (int) (1.5 * level * level - 29.5 * level + 360);
+      xpToNext = 3 * level - 28;
+    }
+    else {
+      xp = (int) (3.5 * level * level - 151.5 * level + 2220);
+      xpToNext = 7 * level - 148;
+    }
+
+    xp += (int) (xpToNext * xpPct);
+
+    player.sendMessage("You had " + xp + " XP!");
+    return xp;
+  }
+
   private void setTotalXP(Player player, int xp) {
     int level = 0;
     int currXP = xp;
@@ -595,7 +620,6 @@ private void setTotalXP(Player player, int xp) {
 
     player.setLevel(level);
     player.setExp(xpPct);
-    player.setTotalExperience(xp);
     return;
   }
 }

plugin.yml

@@ -1,6 +1,6 @@
 name: XP to Emerald
 main: com.scott_weldon.xp_to_emerald.XPtoEmerald
-version: 1.0.0
+version: 1.0.1
 commands:
   xptoemerald:
     description: Convert some XP to Emeralds.