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Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
32 lines
1.6 KiB
Diff
32 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: BillyGalbreath <blake.galbreath@gmail.com>
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Date: Thu, 23 Dec 2021 15:32:50 -0600
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Subject: [PATCH] Expose isFuel and canSmelt methods to FurnaceInventory
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryFurnace.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryFurnace.java
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index 29a8cd7667860c4598a556e6ef3af39c731683db..bd370f5c856d75b7210ef26036aedaa859c570be 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryFurnace.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftInventoryFurnace.java
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@@ -40,6 +40,20 @@ public class CraftInventoryFurnace extends CraftInventory implements FurnaceInve
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this.setItem(0, stack);
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}
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+ // Paper start
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+ @Override
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+ public boolean isFuel(ItemStack stack) {
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+ return stack != null && !stack.getType().isEmpty() && AbstractFurnaceBlockEntity.isFuel(CraftItemStack.asNMSCopy(stack));
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+ }
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+
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+ @Override
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+ public boolean canSmelt(ItemStack stack) {
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+ // data packs are always loaded in the main world
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+ net.minecraft.server.level.ServerLevel world = ((org.bukkit.craftbukkit.CraftWorld) org.bukkit.Bukkit.getWorlds().get(0)).getHandle();
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+ return stack != null && !stack.getType().isEmpty() && world.getRecipeManager().getRecipeFor(((AbstractFurnaceBlockEntity) this.inventory).recipeType, new net.minecraft.world.item.crafting.SingleRecipeInput(CraftItemStack.asNMSCopy(stack)), world).isPresent();
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+ }
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+ // Paper end
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+
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@Override
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public Furnace getHolder() {
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return (Furnace) this.inventory.getOwner();
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