Added armor (merged from zeeZ).

src/main/java/org/dynmap/Armor.java

@@ -0,0 +1,30 @@
+package org.dynmap;
+
+import org.bukkit.entity.Player;
+import org.bukkit.inventory.ItemStack;
+
+public class Armor {
+    /**
+     * http://www.minecraftwiki.net/wiki/Item_Durability#Armor_durability
+     * We rely on getArmorContents() to return 4 armor pieces in the order
+     * of: boots, pants, chest, helmet
+     */
+    private static final double armorPoints[] = {1.5, 3.0, 4.0, 1.5};
+
+    public static final int getArmorPoints(Player player) {
+        int currentDurability = 0;
+        int baseDurability = 0;
+        double baseArmorPoints = 0;
+        ItemStack inventory[] = player.getInventory().getArmorContents();
+        for(int i=0;i<inventory.length;i++) {
+            final short maxDurability = inventory[i].getType().getMaxDurability();
+            if(maxDurability < 0)
+                continue;
+            final short durability = inventory[i].getDurability();
+            baseDurability += maxDurability;
+            currentDurability += maxDurability - durability;
+            baseArmorPoints += armorPoints[i];
+        }
+        return (int)(2*baseArmorPoints*currentDurability/baseDurability);
+    }
+}

src/main/java/org/dynmap/ClientUpdateComponent.java

@@ -45,6 +45,7 @@ public class ClientUpdateComponent extends Component {
             s(jp, "z", pl.getZ());
             if (configuration.getBoolean("sendhealth", false)) {
                 s(jp, "health", p.getHealth());
+                s(jp, "armor", Armor.getArmorPoints(p));
             }
             a(u, "players", jp);
         }