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d0dcd7d251
Fixes incorrect spigot handling of the invulnerability damage reduction applied when an already invulnerable entity is damaged with a larger damage amount than the initial damage. Vanilla still damages entities even if invulnerable if the damage to be applied is larger than the previous damage taken. In that case, vanilla applies the difference between the previous damage taken and the proposed damage. Spigot's damage modifier API takes over the computation of damage reducing effects, however spigot invokes this handling with the initial damage before computing the difference to the previous damage amount. This leads to the reduction values to generally be larger than expected, as they are computed on the not-yet-reduced value. Spigot applies these reductions after calling the EntityDamageEvent and *then* subtracts the previous damage point, leading to the final damage amount being smaller than expected. This patch cannot simply call the EntityDamageEvent with the reduced damage, as that would lead to EntityDamageEvent#getDamage() returning the already reduced damage, which breaks its method contract. Instead, this patch makes use of the DamageModifier API, implementing the last-damage-reduction as a DamageModifier.
135 lines
7.7 KiB
Diff
135 lines
7.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Bjarne Koll <git@lynxplay.dev>
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Date: Thu, 13 Jun 2024 11:02:36 +0200
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Subject: [PATCH] Adopt MaterialRerouting
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Adopts the paper-api to the material rerouting infrastructure introduced
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by upstream.
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diff --git a/src/main/java/org/bukkit/craftbukkit/legacy/MaterialRerouting.java b/src/main/java/org/bukkit/craftbukkit/legacy/MaterialRerouting.java
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index 3ff0f0e34356cee4c510fdd60af723b1c5df156a..6cc9d7a9e6d4bfdc27e52fc581b2bb832616f121 100644
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--- a/src/main/java/org/bukkit/craftbukkit/legacy/MaterialRerouting.java
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+++ b/src/main/java/org/bukkit/craftbukkit/legacy/MaterialRerouting.java
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@@ -600,4 +600,82 @@ public class MaterialRerouting {
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public static void setBlocks(ToolComponent.ToolRule toolRule, Collection<Material> blocks) {
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toolRule.setBlocks(blocks.stream().map(MaterialRerouting::transformToBlockType).toList());
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}
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+
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+ // Paper start - register paper API specific material consumers in rerouting
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+ // A lot of these methods do *not* run through MaterialRerouting to avoid the overhead of a system that
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+ // currently is an effective noop.
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+ // The only downside is that upstream moved the handling of legacy materials into transformFromXType methods.
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+ // As such, methods introduced prior to 1.13 need to run through the transformation to make sure legacy material
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+ // constants still work.
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+
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+ // Utility method for constructing a set from an existing one after mapping each element.
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+ private static <I, O> Set<O> mapSet(final Set<I> input, final java.util.function.Function<I,O> mapper) {
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+ final Set<O> output = new it.unimi.dsi.fastutil.objects.ObjectOpenHashSet<>(input.size());
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+ for (final I i : input) {
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+ output.add(mapper.apply(i));
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+ }
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+ return output;
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+ }
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+
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+ // Method added post-1.13, noop (https://github.com/PaperMC/Paper/pull/4965)
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+ public static org.bukkit.Material getMinecartMaterial(org.bukkit.entity.Minecart minecart, @InjectPluginVersion ApiVersion version) {
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+ return minecart.getMinecartMaterial();
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+ }
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+
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+ // Method added post-1.13, noop (https://github.com/PaperMC/Paper/pull/4965)
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+ public static Material getBoatMaterial(Boat boat, @InjectPluginVersion ApiVersion version) {
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+ return boat.getBoatMaterial();
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+ }
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+
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+ // Method added post-1.13, noop (https://github.com/PaperMC/Paper/pull/3807)
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+ public static Material getType(io.papermc.paper.event.player.PlayerItemCooldownEvent event, @InjectPluginVersion ApiVersion version) {
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+ return event.getType();
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+ }
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+
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+ // Method added post-1.13, noop (https://github.com/PaperMC/Paper/pull/3850)
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+ public static Collection<Material> getInfiniburn(World world, @InjectPluginVersion ApiVersion version) {
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+ return world.getInfiniburn();
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+ }
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+
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+ // Method added pre-1.13, needs legacy rerouting (https://github.com/PaperMC/Paper/commit/3438e96192)
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+ public static Set<Material> getTypes(
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+ final com.destroystokyo.paper.event.player.PlayerArmorChangeEvent.SlotType slotType,
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+ @InjectPluginVersion final ApiVersion apiVersion
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+ ) {
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+ if (apiVersion.isNewerThanOrSameAs(ApiVersion.FLATTENING)) return slotType.getTypes();
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+ else return mapSet(slotType.getTypes(), MaterialRerouting::transformToItemType); // Needed as pre-flattening is hanled by transformToItemType
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+ }
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+
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+ // Method added pre-1.13, needs legacy rerouting (https://github.com/PaperMC/Paper/commit/3438e96192)
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+ @RerouteStatic("com/destroystokyo/paper/event/player/PlayerArmorChangeEvent$SlotType")
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+ public static com.destroystokyo.paper.event.player.PlayerArmorChangeEvent.SlotType getByMaterial(
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+ final Material material
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+ ) {
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+ return com.destroystokyo.paper.event.player.PlayerArmorChangeEvent.SlotType.getByMaterial(MaterialRerouting.transformToItemType(material));
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+ }
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+
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+ // Method added pre-1.13, needs legacy rerouting (https://github.com/PaperMC/Paper/commit/3438e96192)
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+ @RerouteStatic("com/destroystokyo/paper/event/player/PlayerArmorChangeEvent$SlotType")
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+ public static boolean isEquipable(final Material material) {
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+ return com.destroystokyo.paper.event.player.PlayerArmorChangeEvent.SlotType.isEquipable(MaterialRerouting.transformToItemType(material));
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+ }
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+
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+ // Method added post 1.13, no-op (https://github.com/PaperMC/Paper/pull/1244)
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+ public static Material getMaterial(final com.destroystokyo.paper.event.block.AnvilDamagedEvent.DamageState damageState) {
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+ return damageState.getMaterial();
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+ }
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+
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+ // Method added post 1.13, no-op (https://github.com/PaperMC/Paper/pull/1244)
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+ @RerouteStatic("com/destroystokyo/paper/event/block/AnvilDamagedEvent$DamageState")
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+ public static com.destroystokyo.paper.event.block.AnvilDamagedEvent.DamageState getState(
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+ final Material material
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+ ) {
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+ return com.destroystokyo.paper.event.block.AnvilDamagedEvent.DamageState.getState(material);
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+ }
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+
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+ // Method added post 1.13, no-op (https://github.com/PaperMC/Paper/pull/10290)
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+ public static ItemStack withType(final ItemStack itemStack, final Material material) {
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+ return itemStack.withType(material);
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+ }
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+ // Paper end - register paper API specific material consumers in rerouting
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}
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diff --git a/src/test/java/org/bukkit/craftbukkit/legacy/MaterialReroutingTest.java b/src/test/java/org/bukkit/craftbukkit/legacy/MaterialReroutingTest.java
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index cd03ea1f726894161ca786e7e7d00d04716405d3..329eeb174180b5d90b071247dac5459e4ffe3be3 100644
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--- a/src/test/java/org/bukkit/craftbukkit/legacy/MaterialReroutingTest.java
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+++ b/src/test/java/org/bukkit/craftbukkit/legacy/MaterialReroutingTest.java
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@@ -56,6 +56,9 @@ public class MaterialReroutingTest {
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.filter(entry -> !entry.getName().endsWith("ItemType.class"))
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.filter(entry -> !entry.getName().endsWith("Registry.class"))
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.filter(entry -> !entry.getName().startsWith("org/bukkit/material"))
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+ // Paper start - types that cannot be translated to ItemType/BlockType
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+ .filter(entry -> !entry.getName().equals("com/destroystokyo/paper/MaterialSetTag.class"))
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+ // Paper end - types that cannot be translated to ItemType/BlockType
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.map(entry -> {
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try {
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return MaterialReroutingTest.jarFile.getInputStream(entry);
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@@ -93,6 +96,10 @@ public class MaterialReroutingTest {
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continue;
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}
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}
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+ // Paper start - filter out more methods from rerouting test
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+ if (methodNode.name.startsWith("lambda$")) continue;
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+ if (isInternal(methodNode.invisibleAnnotations)) continue;
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+ // Paper end - filter out more methods from rerouting test
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if (!Commodore.rerouteMethods(ApiVersion.CURRENT, MaterialReroutingTest.MATERIAL_METHOD_REROUTE, (methodNode.access & Opcodes.ACC_STATIC) != 0, classNode.name, methodNode.name, methodNode.desc, a -> { })) {
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missingReroute.add(methodNode.name + " " + methodNode.desc + " " + methodNode.signature);
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@@ -109,6 +116,13 @@ public class MaterialReroutingTest {
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}
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}
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+ // Paper start - filter out more methods from rerouting test
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+ private static boolean isInternal(final List<org.objectweb.asm.tree.AnnotationNode> annotationNodes) {
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+ return annotationNodes != null
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+ && annotationNodes.stream().anyMatch(a -> a.desc.equals("Lorg/jetbrains/annotations/ApiStatus$Internal;"));
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+ }
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+ // Paper end - filter out more methods from rerouting test
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+
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@AfterAll
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public static void clear() throws IOException {
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if (MaterialReroutingTest.jarFile != null) {
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