1 files changed, 88 insertions, 0 deletions
diff --git a/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/Navigation.java b/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/Navigation.java
new file mode 100644
index 00000000..86b129c7
--- /dev/null
+++ b/src/main/java/io/github/moulberry/notenoughupdates/miscfeatures/Navigation.java
@@ -0,0 +1,88 @@
+package io.github.moulberry.notenoughupdates.miscfeatures;
+
+import com.google.gson.JsonObject;
+import io.github.moulberry.notenoughupdates.NotEnoughUpdates;
+import io.github.moulberry.notenoughupdates.core.util.render.RenderUtils;
+import io.github.moulberry.notenoughupdates.util.SBInfo;
+import net.minecraft.client.Minecraft;
+import net.minecraft.util.BlockPos;
+import net.minecraft.util.EnumChatFormatting;
+import net.minecraftforge.client.event.RenderWorldLastEvent;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+
+public class Navigation {
+
+	private NotEnoughUpdates neu;
+
+	public Navigation(NotEnoughUpdates notEnoughUpdates) {
+		neu = notEnoughUpdates;
+	}
+
+	/* JsonObject (x,y,z,island,displayname) */
+	private JsonObject currentlyTrackedWaypoint = null;
+	private BlockPos position = null;
+	private String island = null;
+	private String displayName = null;
+
+	public void trackWaypoint(JsonObject trackNow) {
+		if (trackNow != null && (
+			!trackNow.has("x")
+				|| !trackNow.has("y")
+				|| !trackNow.has("z")
+				|| !trackNow.has("island")
+				|| !trackNow.has("displayname"))) {
+			showError("Could not track waypoint. This is likely due to an outdated or broken repository.");
+			return;
+		}
+		currentlyTrackedWaypoint = trackNow;
+		updateData();
+	}
+
+	public void untrackWaypoint() {
+		trackWaypoint(null);
+	}
+
+	public JsonObject getTrackedWaypoint() {
+		return currentlyTrackedWaypoint;
+	}
+
+	public String getIsland() {
+		return island;
+	}
+
+	public String getDisplayName() {
+		return displayName;
+	}
+
+	public BlockPos getPosition() {
+		return position;
+	}
+
+	private void updateData() {
+		if (currentlyTrackedWaypoint == null) {
+			position = null;
+			island = null;
+			displayName = null;
+		}
+		position = new BlockPos(
+			currentlyTrackedWaypoint.get("x").getAsDouble(),
+			currentlyTrackedWaypoint.get("y").getAsDouble(),
+			currentlyTrackedWaypoint.get("z").getAsDouble()
+		);
+		island = currentlyTrackedWaypoint.get("island").getAsString();
+		displayName = currentlyTrackedWaypoint.get("displayname").getAsString();
+	}
+
+	private void showError(String message) {
+		Minecraft.getMinecraft().thePlayer.sendChatMessage(EnumChatFormatting.DARK_RED +
+			"[NEU-Waypoint] " + message);
+		new RuntimeException("[NEU-Waypoint] " + message).printStackTrace();
+	}
+
+	@SubscribeEvent
+	public void onRenderLast(RenderWorldLastEvent event) {
+		if (currentlyTrackedWaypoint != null && island.equals(SBInfo.getInstance().mode)) {
+			RenderUtils.renderWayPoint(displayName, position, event.partialTicks);
+		}
+	}
+}