1 files changed, 47 insertions, 2 deletions

diff --git a/src/main/java/net/inyourwalls/frank/Frank.java b/src/main/java/net/inyourwalls/frank/Frank.java
index 4d9001b..805d2c4 100644
--- a/src/main/java/net/inyourwalls/frank/Frank.java
+++ b/src/main/java/net/inyourwalls/frank/Frank.java
@@ -2,15 +2,60 @@
 package net.inyourwalls.frank;
 
 import net.fabricmc.api.ClientModInitializer;
+import net.fabricmc.fabric.api.client.screen.v1.ScreenEvents;
+import net.fabricmc.fabric.api.registry.FuelRegistry;
+import net.minecraft.client.gui.screen.ingame.FurnaceScreen;
+import net.minecraft.item.ItemStack;
+import net.minecraft.text.Text;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class Frank implements ClientModInitializer {
   public static final Logger LOGGER = LoggerFactory.getLogger(Frank.class);
 
+  private static final int CRAFTING_SLOT_INDEX = 0;
+  private static final int FUEL_SLOT_INDEX = 1;
+
   @Override
   public void onInitializeClient() {
-    // TODO: config maybe
-    LOGGER.info("Hello, world!");
+    ScreenEvents.AFTER_INIT.register((client, screen, scaledWidth, scaledHeight) -> {
+      if (screen instanceof FurnaceScreen furnace) {
+        // Determine where to draw the information.
+        int infoX = screen.width / 2 + 90;
+        int infoY = screen.height / 2 - 80;
+
+        ScreenEvents.afterRender(screen).register((_s, drawContext, mouseX, mouseY, tickDelta) -> {
+          int itemsInProgress = furnace.getScreenHandler().getSlot(CRAFTING_SLOT_INDEX).getStack().getCount();
+          int secondsLeft = itemsInProgress * 10 - (int)(furnace.getScreenHandler().getCookProgress() * 10);
+
+          ItemStack fuel = furnace.getScreenHandler().getSlot(FUEL_SLOT_INDEX).getStack();
+          int fuelItemCount = fuel.getCount();
+          Integer fuelTicks = FuelRegistry.INSTANCE.get(fuel.getItem());
+          if (fuelTicks == null) fuelTicks = 0; // Avoid null pointer exception because Java is terrible.
+          int itemsSmeltable = ((fuelTicks / 10) * fuelItemCount) / 20;
+
+          drawContext.drawTextWithShadow(
+            client.textRenderer,
+            Text.literal("ui.frank.time_left: " + secondsLeft),
+            infoX,
+            infoY,
+          0xffffff);
+          drawContext.drawTextWithShadow(client.textRenderer, Text.literal("smeltable: " + itemsSmeltable), infoX, infoY + 10, 0xffffff);
+          drawContext.drawTextWithShadow(client.textRenderer,
+            Text.literal("fuelProgress: " + furnace.getScreenHandler().getFuelProgress()),
+            infoX,
+            infoY + 20,
+            0xffffff
+          );
+          drawContext.drawTextWithShadow(client.textRenderer,
+            Text.literal("cookProgress: " + furnace.getScreenHandler().getCookProgress()),
+            infoX,
+            infoY + 30,
+            0xffffff
+          );
+        });
+      }
+    });
+    LOGGER.info("Screen events registered.");
   }
 }