Add webapp option to default to flat-view

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/WebFilesManager.java

@@ -143,7 +143,7 @@ public void updateFiles() throws IOException {
         }
     }
 
-    @SuppressWarnings("all")
+    @SuppressWarnings({"FieldMayBeFinal", "FieldCanBeLocal", "unused", "MismatchedQueryAndUpdateOfCollection"})
     private static class Settings {
 
         private String version = BlueMap.VERSION;
@@ -151,6 +151,7 @@ private static class Settings {
         private boolean useCookies = true;
 
         private boolean enableFreeFlight = true;
+        private boolean defaultToFlatView = false;
 
         private String startLocation = null;
 
@@ -174,6 +175,7 @@ private static class Settings {
         public void setFrom(WebappConfig config) {
             this.useCookies = config.isUseCookies();
             this.enableFreeFlight = config.isEnableFreeFlight();
+            this.defaultToFlatView = config.isDefaultToFlatView();
             this.startLocation = config.getStartLocation().orElse(null);
             this.resolutionDefault = config.getResolutionDefault();
 

BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/config/WebappConfig.java

@@ -45,6 +45,7 @@ public class WebappConfig {
     private boolean useCookies = true;
 
     private boolean enableFreeFlight = true;
+    private boolean defaultToFlatView = false;
 
     private String startLocation = null;
 
@@ -83,6 +84,10 @@ public boolean isEnableFreeFlight() {
         return enableFreeFlight;
     }
 
+    public boolean isDefaultToFlatView() {
+        return defaultToFlatView;
+    }
+
     public Optional<String> getStartLocation() {
         return Optional.ofNullable(startLocation);
     }

BlueMapCommon/src/main/resources/de/bluecolored/bluemap/config/webapp.conf

@@ -26,6 +26,10 @@ use-cookies: true
 # Default is true
 enable-free-flight: true
 
+# If the webapp will default to flat-view instead of perspective-view.
+# Default is false
+default-to-flat-view: false
+
 # The default map and camera-location where a user will start after opening the webapp.
 # This is in form of the url-anchor: Open your map in a browser and look at the url, everything after the '#' is the value for this setting.
 # Default is "no anchor" -> The camera will start with the topmost map and at that map's starting point.

BlueMapCommon/webapp/src/js/BlueMapApp.js

@@ -60,6 +60,7 @@ export class BlueMapApp {
          *      version: string,
          *      useCookies: boolean,
          *      enableFreeFlight: boolean,
+         *      defaultToFlatView: boolean,
          *      resolutionDefault: number,
          *      minZoomDistance: number,
          *      maxZoomDistance: number,
@@ -280,6 +281,10 @@ export class BlueMapApp {
 
         controls.controls = this.mapControls;
         this.appState.controls.state = "perspective";
+        if (this.settings.defaultToFlatView) {
+            this.setFlatView();
+        }
+
         this.updatePageAddress();
     }