From f43027f02fc80130c0586dfd86cb8323bce4b1e8 Mon Sep 17 00:00:00 2001
From: Mike Primm <mike@primmhome.com>
Date: Tue, 8 Jan 2013 00:10:53 -0600
Subject: [PATCH] Add tileupdatedelay setting, compute more accurate bounding
 box for new chunks

---
 src/main/java/org/dynmap/bukkit/DynmapPlugin.java | 10 +++++++++-
 src/main/resources/configuration.txt              |  7 ++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/dynmap/bukkit/DynmapPlugin.java b/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
index 3bf2eaf2..ac6f978c 100644
--- a/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
+++ b/src/main/java/org/dynmap/bukkit/DynmapPlugin.java
@@ -17,6 +17,7 @@ import java.util.concurrent.Future;
 
 import org.bukkit.ChatColor;
 import org.bukkit.Chunk;
+import org.bukkit.ChunkSnapshot;
 import org.bukkit.Location;
 import org.bukkit.Material;
 import org.bukkit.OfflinePlayer;
@@ -1392,10 +1393,17 @@ public class DynmapPlugin extends JavaPlugin implements DynmapAPI {
                 @EventHandler(priority=EventPriority.MONITOR)
                 public void onChunkPopulate(ChunkPopulateEvent event) {
                     Chunk c = event.getChunk();
+                    ChunkSnapshot cs = c.getChunkSnapshot();
+                    int ymax = 0;
+                    for(int i = 0; i < c.getWorld().getMaxHeight() / 16; i++) {
+                        if(!cs.isSectionEmpty(i)) {
+                            ymax = (i+1)*16;
+                        }
+                    }
                     /* Touch extreme corners */
                     int x = c.getX() << 4;
                     int z = c.getZ() << 4;
-                    mapManager.touchVolume(getWorld(event.getWorld()).getName(), x, 0, z, x+15, 128, z+16, "chunkpopulate");
+                    mapManager.touchVolume(getWorld(event.getWorld()).getName(), x, 0, z, x+15, ymax, z+16, "chunkpopulate");
                 }
             };
             pm.registerEvents(chunkTrigger, this);
diff --git a/src/main/resources/configuration.txt b/src/main/resources/configuration.txt
index af82274b..6bce16fe 100644
--- a/src/main/resources/configuration.txt
+++ b/src/main/resources/configuration.txt
@@ -42,7 +42,7 @@ components:
     hideifsneaking: false
     # If true, player positions/status is protected (login with ID with dynmap.playermarkers.seeall permission required for info other than self)
     protected-player-info: false
-    @ If true, hide players with invisibility potion effects active
+    # If true, hide players with invisibility potion effects active
     hide-if-invisiblity-potion: true
   #- class: org.dynmap.JsonFileClientUpdateComponent
   #  writeinterval: 1
@@ -186,6 +186,11 @@ saverestorepending: true
 # Zoom-out tile update period - how often to scan for and process tile updates into zoom-out tiles (in seconds)
 zoomoutperiod: 30
 
+# Default delay on processing of updated tiles, in seconds.  This can reduce potentially expensive re-rendering
+# of frequently updated tiles (such as due to machines, pistons, quarries or other automation).  Values can
+# also be set on individual worlds and individual maps.
+tileupdatedelay: 30
+
 # Tile hashing is used to minimize tile file updates when no changes have occurred - set to false to disable
 enabletilehash: true