wip: Begin Bluemap support

shared/dependencies.gradle

@@ -3,10 +3,18 @@ repositories {
     maven {
         url = "https://jm.gserv.me/repository/maven-public/"
     }
+
+    maven {
+        url 'https://jitpack.io'
+        content {
+            includeGroup "com.github.BlueMap-Minecraft"
+        }
+    }
 }
 
 dependencies {
     compileOnly "info.journeymap:journeymap-api:${journeymap_api_common_version}"
     compileOnly "mcp.mobius.waila:wthit-api:mojmap-$wthit_version"
     compileOnly "mezz.jei:jei-$jei_minecraft_version-common-api:$jei_version"
+    compileOnly 'com.github.BlueMap-Minecraft:BlueMapAPI:v2.5.1'
 }

shared/src/main/java/net/blay09/mods/waystones/compat/WaystonesBlueMapPlugin.java

@@ -0,0 +1,66 @@
+package net.blay09.mods.waystones.compat;
+
+import de.bluecolored.bluemap.api.BlueMapAPI;
+import de.bluecolored.bluemap.api.markers.MarkerSet;
+import de.bluecolored.bluemap.api.markers.POIMarker;
+import net.blay09.mods.waystones.api.IWaystone;
+import net.minecraft.world.level.Level;
+
+public class WaystonesBlueMapPlugin {
+
+    private BlueMapAPI api;
+
+    private static class BlueMapLevel {
+        private final MarkerSet waystoneMarkers = MarkerSet.builder()
+                .label("Waystones")
+                .build();
+
+        private final MarkerSet sharestoneMarkers = MarkerSet.builder()
+                .label("Sharestones")
+                .build();
+
+        private final Level level;
+
+        private BlueMapLevel(Level level) {
+            this.level = level;
+        }
+
+        public void setupMarkerSets(BlueMapAPI api) {
+            api.getWorld(level).ifPresent(world -> {
+                for (var map : world.getMaps()) {
+                    map.getMarkerSets().put("waystones:waystones", waystoneMarkers);
+                    map.getMarkerSets().put("waystones:sharestones", sharestoneMarkers);
+                }
+            });
+        }
+
+        public void setupMarkers() {
+            waystoneMarkers.getMarkers().clear();
+            sharestoneMarkers.getMarkers().clear();
+
+            // TODO update markersets with current waystones for this level
+        }
+    }
+
+    public WaystonesBlueMapPlugin() {
+        BlueMapAPI.onEnable(api -> this.api = api);
+        BlueMapAPI.onDisable(api -> this.api = null);
+    }
+
+    public void onWaystonesChanged() {
+        // TODO group all waystones by level
+        // TODO computeifabsent a bluemaplevel
+        // TODO some method for refreshing bluemap level once api is enabled
+        // TODO trigger refresh whenever waystones change
+        // TODO call this refresh method from some event
+    }
+
+    public POIMarker createWaystoneMarker(IWaystone waystone) {
+        return POIMarker.builder()
+                .label(waystone.getName())
+                .position((double) waystone.getPos().getX(), waystone.getPos().getY(), waystone.getPos().getZ())
+                .maxDistance(1000)
+                .build();
+    }
+
+}