Expose API for managing and using GameRules. Adds BUKKIT-2757

src/main/java/net/minecraft/server/EntityPlayer.java

@@ -230,7 +230,9 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
         }
 
         java.util.List<org.bukkit.inventory.ItemStack> loot = new java.util.ArrayList<org.bukkit.inventory.ItemStack>();
+        boolean keepInventory = this.world.getGameRules().getBoolean("keepInventory");
 
+        if (!keepInventory) {
             for (int i = 0; i < this.inventory.items.length; ++i) {
                 if (this.inventory.items[i] != null) {
                     loot.add(new CraftItemStack(this.inventory.items[i]));
@@ -242,6 +244,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
                     loot.add(new CraftItemStack(this.inventory.armor[i]));
                 }
             }
+        }
 
         org.bukkit.event.entity.PlayerDeathEvent event = CraftEventFactory.callPlayerDeathEvent(this, loot, damagesource.getLocalizedDeathMessage(this));
 
@@ -252,6 +255,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
         }
 
         // CraftBukkit - we clean the player's inventory after the EntityDeathEvent is called so plugins can get the exact state of the inventory.
+        if (!keepInventory) {
             for (int i = 0; i < this.inventory.items.length; ++i) {
                 this.inventory.items[i] = null;
             }
@@ -259,6 +263,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
             for (int i = 0; i < this.inventory.armor.length; ++i) {
                 this.inventory.armor[i] = null;
             }
+        }
 
         this.closeInventory();
 

src/main/java/net/minecraft/server/WorldServer.java

@@ -767,11 +767,12 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate
         explosion.b = flag1;
         explosion.a();
         explosion.a(false);
+        */
+        // CraftBukkit end - TODO: Check if explosions are still properly implemented
+
         if (!flag1) {
             explosion.blocks.clear();
         }
-        */
-        // CraftBukkit end - TODO: Check if explosions are still properly implemented
 
         Iterator iterator = this.players.iterator();
 

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -1197,4 +1197,26 @@ public class CraftWorld implements World {
 
         getHandle().makeSound(x, y, z, CraftSound.getSound(sound), volume, pitch);
     }
+
+    public String getGameRuleValue(String rule) {
+        return getHandle().getGameRules().get(rule);
+    }
+
+    public boolean setGameRuleValue(String rule, String value) {
+        // No null values allowed
+        if (rule == null || value == null) return false;
+
+        if (!isGameRule(rule)) return false;
+
+        getHandle().getGameRules().set(rule, value);
+        return true;
+    }
+
+    public String[] getGameRules() {
+        return getHandle().getGameRules().b();
+    }
+
+    public boolean isGameRule(String rule) {
+        return getHandle().getGameRules().e(rule);
+    }
 }