chunk_tickets_api

src/main/java/carpet/mixins/ChunkTicketManager_scarpetMixin.java

@@ -0,0 +1,15 @@
+package carpet.mixins;
+
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectSortedSet;
+import net.minecraft.server.world.ChunkTicket;
+import net.minecraft.server.world.ChunkTicketManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(ChunkTicketManager.class)
+public interface ChunkTicketManager_scarpetMixin
+{
+    @Accessor
+    Long2ObjectOpenHashMap<ObjectSortedSet<ChunkTicket<?>>>  getTicketsByPosition();
+}

src/main/java/carpet/mixins/ServerChunkManager_scarpetMixin.java

@@ -0,0 +1,13 @@
+package carpet.mixins;
+
+import net.minecraft.server.world.ChunkTicketManager;
+import net.minecraft.server.world.ServerChunkManager;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(ServerChunkManager.class)
+public interface ServerChunkManager_scarpetMixin
+{
+    @Accessor
+    ChunkTicketManager getTicketManager();
+}

src/main/java/carpet/script/CarpetExpression.java

@@ -3,6 +3,8 @@ package carpet.script;
 import carpet.CarpetServer;
 import carpet.fakes.MinecraftServerInterface;
 import carpet.helpers.FeatureGenerator;
+import carpet.mixins.ChunkTicketManager_scarpetMixin;
+import carpet.mixins.ServerChunkManager_scarpetMixin;
 import carpet.script.Fluff.TriFunction;
 import carpet.script.exception.CarpetExpressionException;
 import carpet.script.exception.ExitStatement;
@@ -24,6 +26,8 @@ import carpet.utils.Messenger;
 import com.google.common.collect.Sets;
 import com.mojang.brigadier.StringReader;
 import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectSortedSet;
 import net.minecraft.block.BarrierBlock;
 import net.minecraft.block.BedrockBlock;
 import net.minecraft.block.Block;
@@ -59,6 +63,7 @@ import net.minecraft.predicate.entity.EntityPredicates;
 import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.command.ServerCommandSource;
 import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.server.world.ChunkTicket;
 import net.minecraft.server.world.ServerWorld;
 import net.minecraft.sound.BlockSoundGroup;
 import net.minecraft.sound.SoundCategory;
@@ -89,6 +94,7 @@ import org.apache.commons.lang3.tuple.Pair;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
@@ -855,6 +861,51 @@ public class CarpetExpression
             return (c_, t_) -> retval;
         });
 
+        this.expr.addLazyFunction("chunk_tickets", -1, (c, t, lv) ->
+        {
+            ServerWorld world = ((CarpetContext) c).s.getWorld();
+            Long2ObjectOpenHashMap<ObjectSortedSet<ChunkTicket<?>>> levelTickets = (
+                    (ChunkTicketManager_scarpetMixin) ((ServerChunkManager_scarpetMixin) world.method_14178())
+                            .getTicketManager()
+            ).getTicketsByPosition();
+            List<Value> res = new ArrayList<>();
+            if (lv.size() == 0)
+            {
+                for (long key : levelTickets.keySet())
+                {
+                    ChunkPos chpos = new ChunkPos(key);
+                    for (ChunkTicket ticket : levelTickets.get(key))
+                    {
+                        res.add(ListValue.of(
+                                new StringValue(ticket.getType().toString()),
+                                new NumericValue(33 - ticket.getLevel()),
+                                new NumericValue(chpos.x),
+                                new NumericValue(chpos.z)
+                        ));
+                    }
+                }
+            }
+            else
+            {
+                BlockValue.LocatorResult locatorResult = BlockValue.fromParams((CarpetContext) c, lv, 0);
+                BlockPos pos = locatorResult.block.getPos();
+                ObjectSortedSet<ChunkTicket<?>> tickets = levelTickets.get(new ChunkPos(pos).toLong());
+                if (tickets != null)
+                {
+                    for (ChunkTicket ticket : tickets)
+                    {
+                        res.add(ListValue.of(
+                                new StringValue(ticket.getType().toString()),
+                                new NumericValue(33 - ticket.getLevel())
+                        ));
+                    }
+                }
+            }
+            res.sort(Comparator.comparing(e -> ((ListValue) e).getItems().get(1)).reversed());
+            Value returnValue = ListValue.wrap(res);
+            return (_c, _t) -> returnValue;
+        });
+
         this.expr.addLazyFunction("suffocates", -1, (c, t, lv) ->
                 genericStateTest(c, "suffocates", lv, (s, p, w) -> new NumericValue(s.canSuffocate(w, p))));
 

src/main/resources/carpet.mixins.json

@@ -129,6 +129,8 @@
     "DamageTracker_scarpetEventMixin",
     "ServerPlayerEntity_scarpetEventMixin",
     "FallingBlockEntity_scarpetEventsMixin",
+    "ChunkTicketManager_scarpetMixin",
+    "ServerChunkManager_scarpetMixin",
 
 
     "PistonBlock_movableTEMixin",