Added the ability to disable fall, water, lava, and fire damage individually.

src/WorldGuard.java

@@ -103,6 +103,9 @@ public void initialize() {
         if (!registerHook("HEALTH_CHANGE", PluginListener.Priority.MEDIUM)) {
             missingFeatures.add("god mode");
         }
+        if (!registerHook("DAMAGE", PluginListener.Priority.MEDIUM)) {
+            missingFeatures.add("disabling fall, water, lava, and fire damage");
+        }
 
         if (missingFeatures.size() > 0) {
             logger.log(Level.WARNING, "WorldGuard: Your version of hMod does not support "

src/WorldGuardListener.java

@@ -85,6 +85,10 @@ public class WorldGuardListener extends PluginListener {
     private boolean noPhysicsGravel;
     private boolean noPhysicsSand;
     private boolean allowPortalAnywhere;
+    private boolean disableFallDamage;
+    private boolean disableLavaDamage;
+    private boolean disableFireDamage;
+    private boolean disableWaterDamage;
     private int loginProtection;
     private int spawnProtection;
     private boolean kickOnDeath;
@@ -160,6 +164,10 @@ public void loadConfiguration() {
         noPhysicsGravel = properties.getBoolean("no-physics-gravel", false);
         noPhysicsSand = properties.getBoolean("no-physics-sand", false);
         allowPortalAnywhere = properties.getBoolean("allow-portal-anywhere", false);
+        disableFallDamage = properties.getBoolean("disable-fall-damage", false);
+        disableLavaDamage = properties.getBoolean("disable-lava-damage", false);
+        disableFireDamage = properties.getBoolean("disable-fire-damage", false);
+        disableWaterDamage = properties.getBoolean("disable-water-damage", false);
         loginProtection = properties.getInt("login-protection", 3);
         spawnProtection = properties.getInt("spawn-protection", 0);
         kickOnDeath = properties.getBoolean("kick-on-death", false);
@@ -922,6 +930,45 @@ public boolean onHealthChange(Player player, int oldValue, int newValue) {
         return false;
     }
 
+    /**
+     * Called when a living object is attacked.
+     * tip:
+     * Use isMob() and isPlayer() and getPlayer().
+     *
+     * @param type
+     *          type of damage dealt.
+     * @param attacker
+     *          object that is attacking.
+     * @param defender
+     *          object that is defending.
+     * @param amount
+     *          amount of damage dealt.
+     *
+     * @return
+     */
+    public boolean onDamage(PluginLoader.DamageType type, BaseEntity attacker,
+            BaseEntity defender, int amount) {
+        
+        if (disableFallDamage && type == PluginLoader.DamageType.FALL) {
+            return true;
+        }
+
+        if (disableLavaDamage && type == PluginLoader.DamageType.LAVA) {
+            return true;
+        }
+
+        if (disableFireDamage && (type == PluginLoader.DamageType.FIRE
+                || type == PluginLoader.DamageType.FIRE_TICK)) {
+            return true;
+        }
+
+        if (disableWaterDamage && type == PluginLoader.DamageType.WATER) {
+            return true;
+        }
+        
+        return false;
+    }
+
     /**
      * Called on player disconnect
      *