Move WorldSaveEvent to proper location

calling CraftWorld.save() currently does not call WorldSaveEvent, and WorldSaveEvent could fire on worlds that have saving disabled.

New location will always fire during a world save and only during an actual save.

By: Aikar <aikar@aikar.co>

paper-server/nms-patches/WorldServer.patch

@@ -1,5 +1,5 @@
---- ../work/decompile-8eb82bde//net/minecraft/server/WorldServer.java	2014-12-02 15:12:18.246036227 +0000
-+++ src/main/java/net/minecraft/server/WorldServer.java	2014-12-02 15:02:48.310048877 +0000
+--- ../decompile-8eb82bde//net/minecraft/server/WorldServer.java	2014-12-03 14:34:52.705563806 -0500
++++ src/main/java/net/minecraft/server/WorldServer.java	2014-12-03 14:34:43.665563938 -0500
 @@ -16,6 +16,20 @@
  import org.apache.logging.log4j.LogManager;
  import org.apache.logging.log4j.Logger;
@@ -415,16 +415,18 @@
                  i += random.nextInt(64) - random.nextInt(64);
                  k += random.nextInt(64) - random.nextInt(64);
                  ++l;
-@@ -648,7 +859,7 @@
+@@ -648,8 +859,9 @@
          return this.worldProvider.h();
      }
  
 -    public void save(boolean flag, IProgressUpdate iprogressupdate) {
 +    public void save(boolean flag, IProgressUpdate iprogressupdate) throws ExceptionWorldConflict { // CraftBukkit - added throws
          if (this.chunkProvider.canSave()) {
++            org.bukkit.Bukkit.getPluginManager().callEvent(new org.bukkit.event.world.WorldSaveEvent(getWorld())); // CraftBukkit
              if (iprogressupdate != null) {
                  iprogressupdate.a("Saving level");
-@@ -660,7 +871,8 @@
+             }
+@@ -660,7 +872,8 @@
              }
  
              this.chunkProvider.saveChunks(flag, iprogressupdate);
@@ -434,7 +436,7 @@
              Iterator iterator = list.iterator();
  
              while (iterator.hasNext()) {
-@@ -680,7 +892,7 @@
+@@ -680,7 +893,7 @@
          }
      }
  
@@ -443,7 +445,7 @@
          this.checkSession();
          this.worldData.a(this.af().h());
          this.worldData.d(this.af().f());
-@@ -692,7 +904,11 @@
+@@ -692,7 +905,11 @@
          this.worldData.b(this.af().j());
          this.worldData.e(this.af().i());
          this.dataManager.saveWorldData(this.worldData, this.server.getPlayerList().u());
@@ -456,7 +458,7 @@
      }
  
      protected void a(Entity entity) {
-@@ -724,8 +940,16 @@
+@@ -724,8 +941,16 @@
      }
  
      public boolean strikeLightning(Entity entity) {
@@ -474,7 +476,7 @@
              return true;
          } else {
              return false;
-@@ -737,10 +961,20 @@
+@@ -737,10 +962,20 @@
      }
  
      public Explosion createExplosion(Entity entity, double d0, double d1, double d2, float f, boolean flag, boolean flag1) {
@@ -495,7 +497,7 @@
          if (!flag1) {
              explosion.clearBlocks();
          }
-@@ -786,7 +1020,8 @@
+@@ -786,7 +1021,8 @@
                  BlockActionData blockactiondata = (BlockActionData) iterator.next();
  
                  if (this.a(blockactiondata)) {
@@ -505,7 +507,7 @@
                  }
              }
  
-@@ -809,6 +1044,7 @@
+@@ -809,6 +1045,7 @@
          boolean flag = this.S();
  
          super.p();
@@ -513,7 +515,7 @@
          if (this.o != this.p) {
              this.server.getPlayerList().a(new PacketPlayOutGameStateChange(7, this.p), this.worldProvider.getDimension());
          }
-@@ -827,7 +1063,21 @@
+@@ -827,7 +1064,21 @@
              this.server.getPlayerList().sendAll(new PacketPlayOutGameStateChange(7, this.p));
              this.server.getPlayerList().sendAll(new PacketPlayOutGameStateChange(8, this.r));
          }
@@ -536,7 +538,7 @@
      }
  
      protected int q() {
-@@ -855,10 +1105,17 @@
+@@ -855,10 +1106,17 @@
      }
  
      public void a(EnumParticle enumparticle, boolean flag, double d0, double d1, double d2, int i, double d3, double d4, double d5, double d6, int... aint) {