onChangeMap event

src/main/java/net/rptools/maptool/client/MapTool.java

@@ -80,6 +80,7 @@
 import net.rptools.maptool.client.ui.zone.ZoneRenderer;
 import net.rptools.maptool.client.ui.zone.ZoneRendererFactory;
 import net.rptools.maptool.events.MapToolEventBus;
+import net.rptools.maptool.events.ZoneLoadedListener;
 import net.rptools.maptool.language.I18N;
 import net.rptools.maptool.model.AssetManager;
 import net.rptools.maptool.model.Campaign;
@@ -158,6 +159,7 @@ public class MapTool {
   private static List<Player> playerList;
   private static LocalPlayer player;
   private static PlayerZoneListener playerZoneListener;
+  private static ZoneLoadedListener zoneLoadedListener;
 
   private static MapToolConnection conn;
   private static ClientMessageHandler handler;
@@ -679,6 +681,7 @@ private static void initialize() {
     try {
       player = new LocalPlayer("", Player.Role.GM, ServerConfig.getPersonalServerGMPassword());
       playerZoneListener = new PlayerZoneListener();
+      zoneLoadedListener = new ZoneLoadedListener();
       Campaign cmpgn = CampaignFactory.createBasicCampaign();
       // This was previously being done in the server thread and didn't always get done
       // before the campaign was accessed by the postInitialize() method below.

src/main/java/net/rptools/maptool/client/functions/MapFunctions.java

@@ -39,6 +39,7 @@
 import net.rptools.parser.function.AbstractFunction;
 
 public class MapFunctions extends AbstractFunction {
+  public static final String ON_CHANGE_MAP_CALLBACK = "onChangeMap";
   private static final MapFunctions instance = new MapFunctions();
 
   private MapFunctions() {

src/main/java/net/rptools/maptool/client/ui/syntax/MapToolScriptSyntax.java

@@ -97,6 +97,7 @@ public class MapToolScriptSyntax extends MapToolScriptTokenMaker {
 
   static String[] RESERVED_WORDS_2 = {
     "onCampaignLoad",
+    "onChangeMap",
     "onChangeSelection",
     "onMouseOverEvent",
     TokenMoveFunctions.ON_MULTIPLE_TOKENS_MOVED_COMPLETE_CALLBACK,

src/main/java/net/rptools/maptool/events/ZoneLoadedListener.java

@@ -0,0 +1,41 @@
+/*
+ * This software Copyright by the RPTools.net development team, and
+ * licensed under the Affero GPL Version 3 or, at your option, any later
+ * version.
+ *
+ * MapTool Source Code is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License * along with this source Code.  If not, please visit
+ * <http://www.gnu.org/licenses/> and specifically the Affero license
+ * text at <http://www.gnu.org/licenses/agpl.html>.
+ */
+package net.rptools.maptool.events;
+
+import static net.rptools.maptool.client.functions.MapFunctions.ON_CHANGE_MAP_CALLBACK;
+
+import com.google.common.eventbus.Subscribe;
+import java.util.Collections;
+import net.rptools.maptool.client.events.ZoneLoaded;
+import net.rptools.maptool.model.Token;
+import net.rptools.maptool.util.EventMacroUtil;
+
+public class ZoneLoadedListener {
+
+  public ZoneLoadedListener() {
+    new MapToolEventBus().getMainEventBus().register(this);
+  }
+
+  @Subscribe
+  public void OnChangedMap(ZoneLoaded event) {
+    var libTokens = EventMacroUtil.getEventMacroTokens(ON_CHANGE_MAP_CALLBACK);
+    String prefix = ON_CHANGE_MAP_CALLBACK + "@";
+
+    for (Token handler : libTokens) {
+      EventMacroUtil.callEventHandlerOld(
+          prefix + handler.getName(), "", handler, Collections.emptyMap(), true);
+    }
+  }
+}

src/main/java/net/rptools/maptool/model/library/token/LibTokenConverter.java

@@ -87,7 +87,8 @@ public void convert() {
                 case "onInitiativeChangeRequest",
                     "onInitiativeChange",
                     "onTokenMove",
-                    "onMultipleTokensMove" -> {
+                    "onMultipleTokensMove",
+                    "onChangeMap" -> {
                   macroScriptNameMap.put(macroName, macroName + ".mts");
                   legacyEventNameMap.put(macroName, macroName);
                 }