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Files
DivineMC/divinemc-server/minecraft-patches/features/0035-Lag-compensation.patch
wiyba 6e0570e215 Updated Upstream (Purpur)
Upstream has released updates that appear to apply and compile correctly

Purpur Changes:
2025-10-31 15:33:03 +03:00

336 lines
18 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: NONPLAYT <76615486+NONPLAYT@users.noreply.github.com>
Date: Sat, 1 Feb 2025 18:38:26 +0300
Subject: [PATCH] Lag compensation
diff --git a/net/minecraft/server/MinecraftServer.java b/net/minecraft/server/MinecraftServer.java
index f9d60a28763e2c45b5dcf9687b8999fb73817aa9..3de2d76bf118750932a56d02233e4e6aff0b2728 100644
--- a/net/minecraft/server/MinecraftServer.java
+++ b/net/minecraft/server/MinecraftServer.java
@@ -287,6 +287,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
public static final long SERVER_INIT = System.nanoTime(); // Paper - Lag compensation
public boolean lagging = false; // Purpur - Lagging threshold
protected boolean upnp = false; // Purpur - UPnP Port Forwarding
+ public final org.bxteam.divinemc.util.tps.TPSCalculator tpsCalculator = new org.bxteam.divinemc.util.tps.TPSCalculator(); // DivineMC - Lag compensation
// Paper start - improve tick loop
public final ca.spottedleaf.moonrise.common.time.TickData tickTimes1s = new ca.spottedleaf.moonrise.common.time.TickData(java.util.concurrent.TimeUnit.SECONDS.toNanos(1L));
public final ca.spottedleaf.moonrise.common.time.TickData tickTimes5s = new ca.spottedleaf.moonrise.common.time.TickData(java.util.concurrent.TimeUnit.SECONDS.toNanos(5L));
@@ -1598,6 +1599,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
}
this.server.spark.tickStart(); // Paper - spark
+ this.tpsCalculator.doTick(); // DivineMC - Lag compenstation
new com.destroystokyo.paper.event.server.ServerTickStartEvent(this.tickCount+1).callEvent(); // Paper - Server Tick Events
this.tickCount++;
this.tickRateManager.tick();
diff --git a/net/minecraft/server/level/ServerLevel.java b/net/minecraft/server/level/ServerLevel.java
index 3275a8a3a57a6d836170efbf12bc1257282703c8..f038c8fe7fa84457dcee2276bbbdb7ec8533d430 100644
--- a/net/minecraft/server/level/ServerLevel.java
+++ b/net/minecraft/server/level/ServerLevel.java
@@ -224,6 +224,7 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
private final alternate.current.wire.WireHandler wireHandler = new alternate.current.wire.WireHandler(this); // Paper - optimize redstone (Alternate Current)
public boolean hasRidableMoveEvent = false; // Purpur - Ridables
public net.minecraft.world.item.ItemStack ominousBanner; // DivineMC - Optimize Raids
+ public org.bxteam.divinemc.util.tps.TPSCalculator tpsCalculator = new org.bxteam.divinemc.util.tps.TPSCalculator(); // DivineMC - Lag Compensation
@Override
public @Nullable LevelChunk getChunkIfLoaded(int x, int z) {
@@ -787,6 +788,8 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
}
}
+ this.tpsCalculator.doTick(); // DivineMC - Lag compensation
+
this.updateSkyBrightness();
if (runsNormally) {
this.tickTime();
@@ -880,11 +883,18 @@ public class ServerLevel extends Level implements ServerEntityGetter, WorldGenLe
this.setDayTime(this.preciseTime);
} else
// Purpur end - Configurable daylight cycle
- this.setDayTime(this.levelData.getDayTime() + 1L);
+ this.setDayTime(lagCompensation(this.levelData.getDayTime()) + 1L); // DivineMC - Lag compensation
}
}
}
+ // DivineMC start - Lag compensation
+ private long lagCompensation(long original) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.timeAcceleration) return original;
+ return original + this.tpsCalculator.applicableMissedTicks();
+ }
+ // DivineMC end - Lag compensation
+
public void setDayTime(long time) {
this.serverLevelData.setDayTime(time);
// Purpur start - Configurable daylight cycle
diff --git a/net/minecraft/world/entity/LivingEntity.java b/net/minecraft/world/entity/LivingEntity.java
index 288d23e443f495d7fbfd0bbbe1bca7a2ff9da64a..2dc2dd9dbbe63316827b620b991ad929ad7bb77e 100644
--- a/net/minecraft/world/entity/LivingEntity.java
+++ b/net/minecraft/world/entity/LivingEntity.java
@@ -526,6 +526,7 @@ public abstract class LivingEntity extends Entity implements Attackable, Waypoin
}
}
+ lagCompensation(); // DivineMC - Lag Compensation
this.tickEffects();
this.yHeadRotO = this.yHeadRot;
this.yBodyRotO = this.yBodyRot;
@@ -533,6 +534,17 @@ public abstract class LivingEntity extends Entity implements Attackable, Waypoin
this.xRotO = this.getXRot();
}
+ // DivineMC start - Lag Compensation
+ private void lagCompensation() {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.potionEffectAcceleration) return;
+ if (this.level().isClientSide()) return;
+
+ for (int i = 0; i < ((ServerLevel) this.level()).tpsCalculator.applicableMissedTicks(); i++) {
+ tickEffects();
+ }
+ }
+ // DivineMC end - Lag Compensation
+
protected boolean shouldTakeDrowningDamage() {
return this.getAirSupply() <= -this.level().purpurConfig.drowningDamageInterval; // Purpur - Drowning Settings
}
diff --git a/net/minecraft/world/entity/PortalProcessor.java b/net/minecraft/world/entity/PortalProcessor.java
index 88b07fbb96b20124777889830afa480673629d43..91f6d43b3785ddad7db8eb529ba3293c45f3588d 100644
--- a/net/minecraft/world/entity/PortalProcessor.java
+++ b/net/minecraft/world/entity/PortalProcessor.java
@@ -24,10 +24,20 @@ public class PortalProcessor {
return false;
} else {
this.insidePortalThisTick = false;
- return canChangeDimensions && this.portalTime++ >= this.portal.getPortalTransitionTime(level, entity);
+ return canChangeDimensions && lagCompensation(this.portalTime++, level) >= this.portal.getPortalTransitionTime(level, entity); // DivineMC - Lag compensation
}
}
+ // DivineMC start - Lag compensation
+ private int lagCompensation(int original, ServerLevel world) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.portalAcceleration) return original;
+ if (world.isClientSide()) return original;
+
+ portalTime = portalTime + world.tpsCalculator.applicableMissedTicks();
+ return portalTime;
+ }
+ // DivineMC end - Lag compensation
+
@Nullable
public TeleportTransition getPortalDestination(ServerLevel level, Entity entity) {
return this.portal.getPortalDestination(level, entity, this.entryPosition);
diff --git a/net/minecraft/world/entity/item/ItemEntity.java b/net/minecraft/world/entity/item/ItemEntity.java
index 8153c870c0c822792ffbb0fa1ae96b201a1444e3..7525184fd5a801e39fbcba2afbcc968862a1cfbb 100644
--- a/net/minecraft/world/entity/item/ItemEntity.java
+++ b/net/minecraft/world/entity/item/ItemEntity.java
@@ -149,8 +149,25 @@ public class ItemEntity extends Entity implements TraceableEntity {
}
// Paper end - EAR 2
+ // DivineMC start - Lag compensation
+ private void lagCompensation() {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.pickupAcceleration) return;
+ if ((this).level().isClientSide()) return;
+
+ if (pickupDelay == 0) return;
+
+ if (pickupDelay - ((ServerLevel) this.level()).tpsCalculator.applicableMissedTicks() <= 0) {
+ pickupDelay = 0;
+ return;
+ }
+
+ pickupDelay = pickupDelay - ((ServerLevel) this.level()).tpsCalculator.applicableMissedTicks();
+ }
+ // DivineMC end - Lag compensation
+
@Override
public void tick() {
+ lagCompensation(); // DivineMC - Lag compensation
if (this.getItem().isEmpty()) {
this.discard(org.bukkit.event.entity.EntityRemoveEvent.Cause.DESPAWN); // CraftBukkit - add Bukkit remove cause
} else {
diff --git a/net/minecraft/world/item/Item.java b/net/minecraft/world/item/Item.java
index 5305b72c37ba0fcde811d46e781fb4c74817da52..fbae6ab5d5a999039ae8d67cd3df193ed5eec5d9 100644
--- a/net/minecraft/world/item/Item.java
+++ b/net/minecraft/world/item/Item.java
@@ -286,10 +286,25 @@ public class Item implements FeatureElement, ItemLike {
}
}
+ // DivineMC start - Lag compensation
+ private int lagCompensation(int original, net.minecraft.server.level.ServerLevel level) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.eatingAcceleration || original == 0) return original;
+ return org.bxteam.divinemc.util.tps.TPSUtil.tt20(original, true, level);
+ }
+ // DivineMC end - Lag compensation
+
public int getUseDuration(ItemStack stack, LivingEntity entity) {
Consumable consumable = stack.get(DataComponents.CONSUMABLE);
if (consumable != null) {
- return consumable.consumeTicks();
+ // DivineMC start - Lag compensation
+ int original = consumable.consumeTicks();
+
+ if (entity.level() instanceof net.minecraft.server.level.ServerLevel serverLevel) {
+ return lagCompensation(original, serverLevel);
+ }
+
+ return original;
+ // DivineMC end - Lag compensation
} else {
BlocksAttacks blocksAttacks = stack.get(DataComponents.BLOCKS_ATTACKS);
return blocksAttacks != null ? 72000 : 0;
diff --git a/net/minecraft/world/level/GameRules.java b/net/minecraft/world/level/GameRules.java
index 7141d2c69e27e9b14e99360686d9bff1d84c24e6..5eeaa5bca2c9482420990822781625a2c1a6e94e 100644
--- a/net/minecraft/world/level/GameRules.java
+++ b/net/minecraft/world/level/GameRules.java
@@ -378,8 +378,31 @@ public class GameRules {
}
public int getInt(GameRules.Key<GameRules.IntegerValue> key) {
- return this.getRule(key).get();
+ return lagCompensation(this.getRule(key).get(), key); // DivineMC - Lag compensation
+ }
+
+ // DivineMC start - Lag compensation
+ private final java.util.concurrent.atomic.AtomicReference<net.minecraft.server.level.ServerLevel> level = new java.util.concurrent.atomic.AtomicReference<>();
+
+ private int lagCompensation(int original, GameRules.Key<GameRules.IntegerValue> rule) {
+ net.minecraft.server.level.ServerLevel level = getOrCacheLevel();
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.randomTickSpeedAcceleration) return original;
+ if (!(rule == GameRules.RULE_RANDOMTICKING)) return original;
+ return (int) (original * org.bxteam.divinemc.util.tps.TPSCalculator.MAX_TPS / (float) level.tpsCalculator.getMostAccurateTPS());
+ }
+
+ private net.minecraft.server.level.ServerLevel getOrCacheLevel() {
+ if (level.get() == null) {
+ for (final net.minecraft.server.level.ServerLevel level : MinecraftServer.getServer().getAllLevels()) {
+ if (level.getGameRules() == this) {
+ this.level.set(level);
+ break;
+ }
+ }
+ }
+ return level.get();
}
+ // DivineMC end - Lag compensation
public static class BooleanValue extends GameRules.Value<GameRules.BooleanValue> {
private boolean value;
diff --git a/net/minecraft/world/level/block/state/BlockBehaviour.java b/net/minecraft/world/level/block/state/BlockBehaviour.java
index f9794da266b5f08f01f88184d3bcca9d8371e44f..a6c99a119a923dd890169888ff4e9852f6e27855 100644
--- a/net/minecraft/world/level/block/state/BlockBehaviour.java
+++ b/net/minecraft/world/level/block/state/BlockBehaviour.java
@@ -350,13 +350,21 @@ public abstract class BlockBehaviour implements FeatureElement {
protected void tick(BlockState state, ServerLevel level, BlockPos pos, RandomSource random) {
}
+ // DivineMC start - Lag compensation
+ private float lagCompensation(float original, Player player) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.blockBreakingAcceleration) return original;
+ if (player.level().isClientSide) return original;
+ return original * org.bxteam.divinemc.util.tps.TPSCalculator.MAX_TPS / (float) ((ServerLevel) player.level()).tpsCalculator.getMostAccurateTPS();
+ }
+ // DivineMC end - Lag compensation
+
protected float getDestroyProgress(BlockState state, Player player, BlockGetter level, BlockPos pos) {
float destroySpeed = state.getDestroySpeed(level, pos);
if (destroySpeed == -1.0F) {
- return 0.0F;
+ return lagCompensation(0.0F, player); // DivineMC - Lag compensation
} else {
int i = player.hasCorrectToolForDrops(state) ? 30 : 100;
- return player.getDestroySpeed(state) / destroySpeed / i;
+ return lagCompensation(player.getDestroySpeed(state) / destroySpeed / i, player); // DivineMC - Lag compensation
}
}
diff --git a/net/minecraft/world/level/chunk/LevelChunk.java b/net/minecraft/world/level/chunk/LevelChunk.java
index a403b61e0300ecfff55f10009ecd3ad57f543808..529f8a3a4db2effaa91d5b95244717dc44d4c6f4 100644
--- a/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/net/minecraft/world/level/chunk/LevelChunk.java
@@ -959,6 +959,19 @@ public class LevelChunk extends ChunkAccess implements DebugValueSource, ca.spot
this.ticker = ticker;
}
+ // DivineMC start - Lag compensation
+ private <T extends BlockEntity> void lagCompensation(Runnable original) {
+ original.run();
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled) return;
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.blockEntityAcceleration) return;
+ if (LevelChunk.this.level.isClientSide()) return;
+
+ for (int i = 0; i < ((ServerLevel) this.blockEntity.getLevel()).tpsCalculator.applicableMissedTicks(); i++) {
+ original.run();
+ }
+ }
+ // DivineMC end - Lag compensation
+
@Override
public void tick() {
if (!this.blockEntity.isRemoved() && this.blockEntity.hasLevel()) {
@@ -969,7 +982,11 @@ public class LevelChunk extends ChunkAccess implements DebugValueSource, ca.spot
profilerFiller.push(this::getType);
BlockState blockState = LevelChunk.this.getBlockState(blockPos);
if (this.blockEntity.getType().isValid(blockState)) {
- this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), blockState, this.blockEntity);
+ // DivineMC start - Lag compensation
+ lagCompensation(() -> {
+ this.ticker.tick(LevelChunk.this.level, this.blockEntity.getBlockPos(), blockState, this.blockEntity);
+ });
+ // DivineMC end - Lag compensation
this.loggedInvalidBlockState = false;
// Paper start - Remove the Block Entity if it's invalid
} else {
diff --git a/net/minecraft/world/level/material/LavaFluid.java b/net/minecraft/world/level/material/LavaFluid.java
index b7c01dadd69ce314ef6066d4c5d7c27080c7af8f..f838577f0290a1d9bffb860cbeb2daaa6b19957d 100644
--- a/net/minecraft/world/level/material/LavaFluid.java
+++ b/net/minecraft/world/level/material/LavaFluid.java
@@ -190,9 +190,22 @@ public abstract class LavaFluid extends FlowingFluid {
return fluidState.getHeight(level, pos) >= 0.44444445F && fluid.is(FluidTags.WATER);
}
+ // DivineMC start - Lag compensation
+ private int lagCompensation(int original, ServerLevel level) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.fluidAcceleration) return original;
+ return org.bxteam.divinemc.util.tps.TPSUtil.tt20(original, true, level);
+ }
+ // DivineMC end - Lag compensation
+
@Override
public int getTickDelay(LevelReader level) {
- return level.dimensionType().ultraWarm() ? level.getWorldBorder().world.purpurConfig.lavaSpeedNether : level.getWorldBorder().world.purpurConfig.lavaSpeedNotNether; // Purpur - Make lava flow speed configurable
+ // DivineMC start - Lag compensation
+ int original = level.dimensionType().ultraWarm() ? level.getWorldBorder().world.purpurConfig.lavaSpeedNether : level.getWorldBorder().world.purpurConfig.lavaSpeedNotNether; // Purpur - Make lava flow speed configurable
+ if (level instanceof ServerLevel serverLevel) {
+ return lagCompensation(original, serverLevel);
+ }
+ return original;
+ // DivineMC end - Lag compensation
}
@Override
diff --git a/net/minecraft/world/level/material/WaterFluid.java b/net/minecraft/world/level/material/WaterFluid.java
index 19505eafb8b3aa09d7f889ecb62bcc28d835b4c8..790dcd8e71fc2e102a4aeae28b3a4a24680401ae 100644
--- a/net/minecraft/world/level/material/WaterFluid.java
+++ b/net/minecraft/world/level/material/WaterFluid.java
@@ -124,8 +124,16 @@ public abstract class WaterFluid extends FlowingFluid {
return 1;
}
+ // DivineMC start - Lag compensation
+ private int lagCompensation(ServerLevel level) {
+ if (!org.bxteam.divinemc.config.DivineConfig.MiscCategory.lagCompensationEnabled || !org.bxteam.divinemc.config.DivineConfig.MiscCategory.fluidAcceleration) return 5;
+ return org.bxteam.divinemc.util.tps.TPSUtil.tt20(5, true, level);
+ }
+ // DivineMC end - Lag compensation
+
@Override
public int getTickDelay(LevelReader level) {
+ if (level instanceof ServerLevel serverLevel) return lagCompensation(serverLevel); // DivineMC - Lag compensation
return 5;
}