Add support for 'compass-mode' - handle 1.9 change of proper north

src/main/java/org/dynmap/DynmapPlugin.java

@@ -1,10 +1,7 @@
 package org.dynmap;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.FileReader;
-import java.io.FileWriter;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Constructor;
@@ -18,7 +15,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import org.bukkit.Location;
-import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.World.Environment;
 import org.bukkit.block.Block;
@@ -40,7 +36,6 @@ import org.bukkit.event.block.BlockPistonRetractEvent;
 import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.event.block.BlockSpreadEvent;
 import org.bukkit.event.block.LeavesDecayEvent;
-import org.bukkit.event.block.SignChangeEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.EntityListener;
 import org.bukkit.event.player.PlayerChatEvent;
@@ -54,7 +49,6 @@ import org.bukkit.event.world.ChunkPopulateEvent;
 import org.bukkit.event.world.SpawnChangeEvent;
 import org.bukkit.event.world.WorldListener;
 import org.bukkit.event.world.WorldLoadEvent;
-import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.PluginDescriptionFile;
 import org.bukkit.plugin.PluginManager;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -86,6 +80,13 @@ public class DynmapPlugin extends JavaPlugin {
     boolean swampshading = false;
     boolean waterbiomeshading = false;
     boolean fencejoin = false;
+    public CompassMode compassmode = CompassMode.PRE19;
+
+    public enum CompassMode {
+        PRE19,  /* Default for 1.8 and earlier (east is Z+) */
+        NEWROSE,    /* Use same map orientation, fix rose */
+        NEWNORTH    /* Use new map orientation */
+    };
 
     /* Flag to let code know that we're doing reload - make sure we don't double-register event handlers */
     public boolean is_reload = false;
@@ -258,6 +259,14 @@ public class DynmapPlugin extends JavaPlugin {
         waterbiomeshading = configuration.getBoolean("waterbiomeshaded", !getServer().getVersion().contains("(MC: 1.8"));
         /* Default fence-to-block-join off for 1.8, on after */
         fencejoin = configuration.getBoolean("fence-to-block-join", !getServer().getVersion().contains("(MC: 1.8"));
+        /* Default compassmode to pre19, to newrose after */
+        String cmode = configuration.getString("compass-mode", getServer().getVersion().contains("(MC: 1.8")?"pre19":"newrose");
+        if(cmode.equals("newnorth"))
+            compassmode = CompassMode.NEWNORTH;
+        else if(cmode.equals("newrose"))
+            compassmode = CompassMode.NEWROSE;
+        else
+            compassmode = CompassMode.PRE19;
         
         loadDebuggers();
 

src/main/java/org/dynmap/MapManager.java

@@ -24,6 +24,7 @@ import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.scheduler.BukkitScheduler;
 import org.bukkit.command.CommandSender;
+import org.dynmap.DynmapPlugin.CompassMode;
 import org.dynmap.DynmapWorld.AutoGenerateOption;
 import org.dynmap.debug.Debug;
 import org.dynmap.hdmap.HDMapManager;
@@ -1166,6 +1167,10 @@ public class MapManager {
     public boolean getFenceJoin() {
         return plug_in.fencejoin;
     }
+    
+    public CompassMode getCompassMode() {
+        return plug_in.compassmode;
+    }
 
     public boolean getHideOres() {
         return hideores;

src/main/java/org/dynmap/flat/FlatMap.java

@@ -17,6 +17,7 @@ import org.dynmap.Color;
 import org.dynmap.ColorScheme;
 import org.dynmap.ConfigurationNode;
 import org.dynmap.DynmapChunk;
+import org.dynmap.DynmapPlugin.CompassMode;
 import org.dynmap.MapManager;
 import org.dynmap.TileHashManager;
 import org.dynmap.MapTile;
@@ -602,7 +603,10 @@ public class FlatMap extends MapType {
         s(o, "bigmap", this.isBigWorldMap(world));
         s(o, "mapzoomin", c.getInteger("mapzoomin", 3));
         s(o, "mapzoomout", world.getExtraZoomOutLevels());
-        s(o, "compassview", "S");   /* Always from south */
+        if(MapManager.mapman.getCompassMode() != CompassMode.PRE19)
+            s(o, "compassview", "E");   /* Always from east */
+        else
+            s(o, "compassview", "S");   /* Always from south */
         s(o, "image-format", ImageFormat.FORMAT_PNG.getFileExt());
         a(worldObject, "maps", o);
     }

src/main/java/org/dynmap/hdmap/IsoHDPerspective.java

@@ -18,6 +18,7 @@ import org.dynmap.Client;
 import org.dynmap.Color;
 import org.dynmap.ConfigurationNode;
 import org.dynmap.DynmapChunk;
+import org.dynmap.DynmapPlugin.CompassMode;
 import org.dynmap.Log;
 import org.dynmap.MapManager;
 import org.dynmap.MapTile;
@@ -737,6 +738,10 @@ public class IsoHDPerspective implements HDPerspective {
             return;
         }
         azimuth = configuration.getDouble("azimuth", 135.0);    /* Get azimuth (default to classic kzed POV */
+        /* Fix azimuth so that we respect new north, if that is requested (newnorth = oldeast) */
+        if(MapManager.mapman.getCompassMode() == CompassMode.NEWNORTH) {
+            azimuth = (azimuth + 90.0); if(azimuth >= 360.0) azimuth = azimuth - 360.0;
+        }
         inclination = configuration.getDouble("inclination", 60.0);
         if(inclination > MAX_INCLINATION) inclination = MAX_INCLINATION;
         if(inclination < MIN_INCLINATION) inclination = MIN_INCLINATION;
@@ -1239,7 +1244,9 @@ public class IsoHDPerspective implements HDPerspective {
         s(mapObject, "scale", scale);
         s(mapObject, "worldtomap", world_to_map.toJSON());
         s(mapObject, "maptoworld", map_to_world.toJSON());
-        int dir = ((360 + (int)(22.5+azimuth)) / 45) % 8;;
+        int dir = ((360 + (int)(22.5+azimuth)) / 45) % 8;
+        if(MapManager.mapman.getCompassMode() != CompassMode.PRE19)
+            dir = (dir + 6) % 8;
         s(mapObject, "compassview", directions[dir]);
 
     }

src/main/java/org/dynmap/kzedmap/DefaultTileRenderer.java

@@ -18,6 +18,7 @@ import org.dynmap.ColorScheme;
 import org.dynmap.ConfigurationNode;
 import org.dynmap.DynmapWorld;
 import org.dynmap.MapManager;
+import org.dynmap.DynmapPlugin.CompassMode;
 import org.dynmap.MapType.ImageFormat;
 import org.dynmap.TileHashManager;
 import org.dynmap.debug.Debug;
@@ -589,7 +590,10 @@ public class DefaultTileRenderer implements MapTileRenderer {
         s(o, "bigmap", map.isBigWorldMap(world));
         s(o, "mapzoomin", c.getInteger("mapzoomin", 2));
         s(o, "mapzoomout", world.getExtraZoomOutLevels()+1);
-        s(o, "compassview", "SE");   /* Always from southeast */
+        if(MapManager.mapman.getCompassMode() != CompassMode.PRE19)
+            s(o, "compassview", "NE");   /* Always from northeast */
+        else
+            s(o, "compassview", "SE");   /* Always from southeast */
         s(o, "image-format", ImageFormat.FORMAT_PNG.getFileExt());
         a(worldObject, "maps", o);
     }

src/main/resources/configuration.txt

@@ -266,6 +266,11 @@ enabletilehash: true
 # Control updating of player faces, once loaded (if faces are being managed by other apps or manually)
 #refreshskins: false
 
+# Control behavior for new (1.9+) compass orientation (sunrise moved 90 degrees: east is now what used to be south)
+#   default is 'pre19' for 1.8 server (existing orientation), 'newrose' for 1.9+ (preserve maps, rotate rose)
+#   'newnorth' is used to rotate maps and rose (requires fullrender of any HDMap map - same as 'newrose' for FlatMap or KzedMap)
+#compass-mode: newnorth
+
 render-triggers:
   #- chunkloaded
   #- playermove