Added an option to draw cross-layer pings

Requires adding translations

Author: SokyranTheDragon

Source/Client/Settings/MpSettings.cs

@@ -23,6 +23,7 @@ public class MpSettings : ModSettings
         public bool showModCompatibility = true;
         public bool hideTranslationMods = true;
         public bool enablePings = true;
+        public bool enableCrossPlanetLayerPings = true;
         public KeyCode? sendPingButton = KeyCode.Mouse4;
         public KeyCode? jumpToPingButton = KeyCode.Mouse3;
         public Rect chatRect;
@@ -66,6 +67,7 @@ public override void ExposeData()
             Scribe_Values.Look(ref showModCompatibility, "showModCompatibility", true);
             Scribe_Values.Look(ref hideTranslationMods, "hideTranslationMods", true);
             Scribe_Values.Look(ref enablePings, "enablePings", true);
+            Scribe_Values.Look(ref enableCrossPlanetLayerPings, "enableCrossPlanetLayerPings", true);
             Scribe_Values.Look(ref sendPingButton, "sendPingButton", KeyCode.Mouse4);
             Scribe_Values.Look(ref jumpToPingButton, "jumpToPingButton", KeyCode.Mouse3);
             Scribe_Custom.LookRect(ref chatRect, "chatRect");

Source/Client/Settings/MpSettingsUI.cs

@@ -73,6 +73,8 @@ public static void DoGeneralSettings(MpSettings settings, Rect inRect, Rect page
         listing.CheckboxLabeled("MpShowModCompat".Translate(), ref settings.showModCompatibility,
             "MpShowModCompatDesc".Translate());
         listing.CheckboxLabeled("MpEnablePingsSetting".Translate(), ref settings.enablePings);
+        listing.CheckboxLabeled("MpEnableCrossPlanetLayerPings".Translate(), ref settings.enableCrossPlanetLayerPings,
+            "MpEnableCrossPlanetLayerPingsDesc".Translate());
         listing.CheckboxLabeled("MpShowMainMenuAnimation".Translate(), ref settings.showMainMenuAnim);
 
         const string buttonOff = "Off";

Source/Client/UI/DrawPingPlanet.cs

@@ -16,8 +16,26 @@ static void Postfix()
             {
                 if (ping.mapId != -1) continue;
                 if (ping.PlayerInfo is not { } player) continue;
-                // Only display pings on the current layer
-                if (ping.planetTile.Layer != Find.WorldSelector.SelectedLayer) continue;
+
+                var layer = Find.WorldSelector.SelectedLayer;
+                // Only display pings on the current layer or (if enabled) on layers we can zoom to.
+                if (Multiplayer.settings.enableCrossPlanetLayerPings)
+                {
+                    // We can either start with the ping layer, and keep zooming out,
+                    // or start with the current player layer, and keep zooming in.
+                    // Or both. This implementation tries to zoom in from the current player's layer.
+
+                    // Infinite loop prevention.
+                    for (var i = 0; i < 25; i++)
+                    {
+                        // Either can't zoom in more, or we found our target
+                        if (layer == null || layer == ping.planetTile.Layer)
+                            break;
+
+                        layer = layer.zoomInToLayer;
+                    }
+                }
+                if (ping.planetTile.Layer != layer) continue;
 
                 var tileCenter = GenWorldUI.WorldToUIPosition(Find.WorldGrid.GetTileCenter(ping.planetTile));
                 const float size = 30f;