april

src/main/java/dev/tggamesyt/szar/Szar.java

@@ -103,6 +103,8 @@ public class Szar implements ModInitializer {
     public static final Logger LOGGER = LogManager.getLogger(MOD_ID);
     public static int april = 4;
     public static int fools = 1;
+    public static final Identifier APRIL_GAME_BEATEN = new Identifier(MOD_ID, "april_game_beaten");
+    public static final Identifier APRIL_GAME_BEATEN_REVOKED = new Identifier("szar", "april_game_beaten_revoked");
     public static final Identifier DRUNK_TYPE_PACKET = new Identifier(MOD_ID, "drunk_type");
     public static final Identifier OPEN_DETONATOR_SCREEN = new Identifier(MOD_ID, "open_coord_screen");
     public static final Identifier DETONATOR_INPUT = new Identifier(MOD_ID, "coord_input");

src/main/java/dev/tggamesyt/szar/mixin/PlayerAdvancementTrackerMixin.java

@@ -0,0 +1,56 @@
+package dev.tggamesyt.szar.mixin;
+
+import dev.tggamesyt.szar.Szar;
+import net.fabricmc.fabric.api.networking.v1.PacketByteBufs;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayNetworking;
+import net.minecraft.advancement.Advancement;
+import net.minecraft.advancement.PlayerAdvancementTracker;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.Identifier;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+import java.time.LocalDate;
+
+@Mixin(PlayerAdvancementTracker.class)
+public class PlayerAdvancementTrackerMixin {
+
+    @Shadow
+    private ServerPlayerEntity owner;
+
+    @Inject(method = "grantCriterion", at = @At("RETURN"))
+    private void onCriterionGranted(Advancement advancement, String criterionName, CallbackInfoReturnable<Boolean> cir) {
+        if (!cir.getReturnValue()) return;
+        if (owner == null) return;
+
+        if (advancement.getId().equals(new Identifier("end", "kill_dragon"))) {
+            if (!owner.getAdvancementTracker().getProgress(advancement).isDone()) return;
+
+            LocalDate today = LocalDate.now();
+            if (today.getMonthValue() != Szar.april || today.getDayOfMonth() != Szar.fools) return;
+
+            Szar.grantAdvancement(owner, "april_game_beaten");
+            return;
+        }
+
+        if (!advancement.getId().equals(new Identifier(Szar.MOD_ID, "april_game_beaten"))) return;
+        if (!owner.getAdvancementTracker().getProgress(advancement).isDone()) return;
+
+        ServerPlayNetworking.send(owner, Szar.APRIL_GAME_BEATEN, PacketByteBufs.empty());
+    }
+
+    @Inject(method = "revokeCriterion", at = @At("RETURN"))
+    private void onCriterionRevoked(Advancement advancement, String criterionName, CallbackInfoReturnable<Boolean> cir) {
+        if (!cir.getReturnValue()) return;
+        if (owner == null) return;
+
+        if (!advancement.getId().equals(new Identifier(Szar.MOD_ID, "april_game_beaten"))) return;
+        // If it's no longer done after revoking, send the revoke packet
+        if (owner.getAdvancementTracker().getProgress(advancement).isDone()) return;
+
+        ServerPlayNetworking.send(owner, Szar.APRIL_GAME_BEATEN_REVOKED, PacketByteBufs.empty());
+    }
+}

src/main/resources/assets/szar/lang/en_us.json

@@ -206,5 +206,8 @@
   "block.szar.ender_obsidian": "Ender Obsidian",
   "block.szar.ender_ore": "Ender Ore",
   "item.szar.raw_ender": "Raw Ender",
-  "item.szar.ender_ingot": "Ender Ingot"
+  "item.szar.ender_ingot": "Ender Ingot",
+
+  "advancement.szar.april_game_beaten.title": "We are so back",
+  "advancement.szar.april_game_beaten.description": "Beat the game on april 1st to flip the game back."
 }

src/main/resources/data/szar/advancements/april_game_beaten.json

@@ -0,0 +1,18 @@
+{
+  "parent": "szar:april",
+  "display": {
+    "icon": {
+      "item": "szar:april"
+    },
+    "title": {"translate": "advancement.szar.april_game_beaten.title"},
+    "description": {"translate": "advancement.szar.april_game_beaten.description"},
+    "show_toast": true,
+    "announce_to_chat": false,
+    "frame": "challenge"
+  },
+  "criteria": {
+    "used_item": {
+      "trigger": "minecraft:impossible"
+    }
+  }
+}

src/main/resources/szar.mixins.json

@@ -16,6 +16,7 @@
     "NoClipMixin",
     "NoiseChunkGeneratorMixin",
     "PlaneBlockInteractionMixin",
+    "PlayerAdvancementTrackerMixin",
     "PlayerDropMixin",
     "PlayerEntityMixin",
     "PlayerInteractionMixin",