Fix EXP orb merging causing values to go negative - Closes #1169

This commit is contained in:
Aikar 2018-08-03 00:06:20 -04:00
parent 4128c348c2
commit 712ded51a2
6 changed files with 27 additions and 24 deletions

View file

@ -8,7 +8,7 @@ which can keep them in the chunk when they shouldnt be if done
during entity ticking.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index d2d2ab794..df98a4f44 100644
index 0aa2f99838..8822d17745 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {

View file

@ -10,7 +10,7 @@ to the object directly on the Entity/TileEntity object we can directly grab.
Use that local value instead to reduce lookups in many hot places.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 81bf60efa..04adf4e3c 100644
index d24d45fdd3..4757081090 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -0,0 +0,0 @@ public class Chunk {
@ -22,7 +22,7 @@ index 81bf60efa..04adf4e3c 100644
this.a(entity, entity.ac);
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index c0816b9f8..52adee880 100644
index 986670f689..a01488e985 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {

View file

@ -8,16 +8,16 @@ Plugins can cancel this if they want to ensure experience orbs do not lose impor
metadata such as spawn reason, or conditionally move data from source to target.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 39b90fb4c..c0816b9f8 100644
index c0e79796bd..986670f689 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {
for (Entity e : entities) {
if (e instanceof EntityExperienceOrb) {
EntityExperienceOrb loopItem = (EntityExperienceOrb) e;
- if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue)) { // Paper
+ if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue) && new com.destroystokyo.paper.event.entity.ExperienceOrbMergeEvent((org.bukkit.entity.ExperienceOrb) entity.getBukkitEntity(), (org.bukkit.entity.ExperienceOrb) loopItem.getBukkitEntity()).callEvent()) { // Paper
xp.value += loopItem.value;
// Paper start
if (!mergeUnconditionally && xp.value > maxValue) {
// Paper start
- if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue)) {
+ if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue) && new com.destroystokyo.paper.event.entity.ExperienceOrbMergeEvent((org.bukkit.entity.ExperienceOrb) entity.getBukkitEntity(), (org.bukkit.entity.ExperienceOrb) loopItem.getBukkitEntity()).callEvent()) {
long newTotal = (long)xp.value + (long)loopItem.value;
if (newTotal > (long)maxValue) {
loopItem.value = xp.value - maxValue;
--

View file

@ -11,7 +11,7 @@ This will ensure that dead entities are skipped from iteration since
they shouldn't of been in the list in the first place.
diff --git a/src/main/java/com/destroystokyo/paper/PaperCommand.java b/src/main/java/com/destroystokyo/paper/PaperCommand.java
index ecd1c65a9..1898ab897 100644
index ecd1c65a98..1898ab897c 100644
--- a/src/main/java/com/destroystokyo/paper/PaperCommand.java
+++ b/src/main/java/com/destroystokyo/paper/PaperCommand.java
@@ -0,0 +0,0 @@ public class PaperCommand extends Command {
@ -23,7 +23,7 @@ index ecd1c65a9..1898ab897 100644
MutablePair<Integer, Map<ChunkCoordIntPair, Integer>> info = list.computeIfAbsent(key, k -> MutablePair.of(0, Maps.newHashMap()));
ChunkCoordIntPair chunk = new ChunkCoordIntPair(e.getChunkX(), e.getChunkZ());
diff --git a/src/main/java/net/minecraft/server/Entity.java b/src/main/java/net/minecraft/server/Entity.java
index 1e64d5fcd..45e149f4a 100644
index 1e64d5fcd6..45e149f4a3 100644
--- a/src/main/java/net/minecraft/server/Entity.java
+++ b/src/main/java/net/minecraft/server/Entity.java
@@ -0,0 +0,0 @@ public abstract class Entity implements ICommandListener, KeyedObject { // Paper
@ -35,7 +35,7 @@ index 1e64d5fcd..45e149f4a 100644
public float length;
public float I;
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 0dca11b2c..dadd4b839 100644
index 8822d17745..3ce6f9778b 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {
@ -71,7 +71,7 @@ index 0dca11b2c..dadd4b839 100644
if (entity instanceof EntityInsentient) {
EntityInsentient entityinsentient = (EntityInsentient) entity;
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 210e3bc4e..e6ecd1796 100644
index 210e3bc4e6..e6ecd1796c 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -0,0 +0,0 @@ public class CraftWorld implements World {

View file

@ -5,7 +5,7 @@ Subject: [PATCH] Option for maximum exp value when merging orbs
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 4d30cdbc8..535a8d3ed 100644
index 4d30cdbc8b..535a8d3ed1 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -0,0 +0,0 @@ public class PaperWorldConfig {
@ -20,7 +20,7 @@ index 4d30cdbc8..535a8d3ed 100644
+ }
}
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 29dffc3ac..2c69ae748 100644
index 3561507de1..b6b4d52718 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {
@ -29,7 +29,7 @@ index 29dffc3ac..2c69ae748 100644
if (radius > 0) {
+ // Paper start - Maximum exp value when merging - Whole section has been tweaked, see comments for specifics
+ final int maxValue = paperConfig.expMergeMaxValue;
+ final boolean mergeUnconditionally = maxValue <= 0;
+ final boolean mergeUnconditionally = paperConfig.expMergeMaxValue <= 0;
+ if (mergeUnconditionally || xp.value < maxValue) { // Paper - Skip iteration if unnecessary
+
List<Entity> entities = this.getEntities(entity, entity.getBoundingBox().grow(radius, radius, radius));
@ -37,16 +37,19 @@ index 29dffc3ac..2c69ae748 100644
if (e instanceof EntityExperienceOrb) {
EntityExperienceOrb loopItem = (EntityExperienceOrb) e;
- if (!loopItem.dead) {
+ if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue)) { // Paper
xp.value += loopItem.value;
+ // Paper start
+ if (!mergeUnconditionally && xp.value > maxValue) {
- xp.value += loopItem.value;
- loopItem.die();
+ // Paper start
+ if (!loopItem.dead && !(maxValue > 0 && loopItem.value >= maxValue)) {
+ long newTotal = (long)xp.value + (long)loopItem.value;
+ if (newTotal > (long)maxValue) {
+ loopItem.value = xp.value - maxValue;
+ xp.value = maxValue;
+ break;
+ } else {
+ xp.value += loopItem.value;
+ loopItem.die();
+ }
+ // Paper end
loopItem.die();
}
}
}

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@ -57,7 +57,7 @@ index bcce5e8b7e..bad287fca4 100644
nbttagcompound.set("Entities", nbttaglist1);
NBTTagList nbttaglist2 = new NBTTagList();
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index b4de3b515a..d2d2ab794b 100644
index 3012768cb9..0aa2f99838 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -0,0 +0,0 @@ public abstract class World implements IBlockAccess {