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https://github.com/PaperMC/Paper.git
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1358d1e914
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 881e06e5 PR-725: Add Item Unlimited Lifetime APIs CraftBukkit Changes: 74c08312 SPIGOT-6962: Call EntityChangeBlockEvent when when FallingBlockEntity starts to fall 64db5126 SPIGOT-6959: Make /loot command ignore empty items for spawn 2d760831 Increase outdated build delay 9ed7e4fb SPIGOT-6138, SPIGOT-6415: Don't call CreatureSpawnEvent after cross-dimensional travel fc4ad813 SPIGOT-6895: Trees grown with applyBoneMeal() don't fire the StructureGrowthEvent 59733a2e SPIGOT-6961: Actually return a copy of the ItemMeta Spigot Changes: ffceeae3 SPIGOT-6956: Drop unload queue patch as attempt at fixing stop issue e19ddabd PR-1011: Add Item Unlimited Lifetime APIs 34d40b0e SPIGOT-2942: give command fires PlayerDropItemEvent, cancelling it causes Item Duplication
156 lines
9.2 KiB
Diff
156 lines
9.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <spottedleaf@spottedleaf.dev>
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Date: Fri, 14 Feb 2020 22:16:34 -0800
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Subject: [PATCH] Lag compensate block breaking
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Use time instead of ticks if ticks fall behind
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diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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index cd601be6604fd81be8d58f6a46d39008fa8ecc20..cff9872882f9057ec2bfd44c15c1d66d8cefa721 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
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@@ -619,4 +619,10 @@ public class PaperConfig {
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}
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}
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}
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+
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+ public static boolean lagCompensateBlockBreaking;
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+
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+ private static void lagCompensateBlockBreaking() {
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+ lagCompensateBlockBreaking = getBoolean("settings.lag-compensate-block-breaking", true);
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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index b6eef41079120fffd63f06f681378b1b628b95e0..891199d02539fa46454cd0aa7c133637e5dc8235 100644
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--- a/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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+++ b/src/main/java/net/minecraft/server/level/ServerPlayerGameMode.java
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@@ -56,14 +56,28 @@ public class ServerPlayerGameMode {
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@Nullable
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private GameType previousGameModeForPlayer;
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private boolean isDestroyingBlock;
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- private int destroyProgressStart;
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+ private int destroyProgressStart; private long lastDigTime; // Paper - lag compensate block breaking
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private BlockPos destroyPos;
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private int gameTicks;
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private boolean hasDelayedDestroy;
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private BlockPos delayedDestroyPos;
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- private int delayedTickStart;
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+ private int delayedTickStart; private long hasDestroyedTooFastStartTime; // Paper - lag compensate block breaking
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private int lastSentState;
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+ // Paper start - lag compensate block breaking
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+ private int getTimeDiggingLagCompensate() {
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+ int lagCompensated = (int)((System.nanoTime() - this.lastDigTime) / (50L * 1000L * 1000L));
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+ int tickDiff = this.gameTicks - this.destroyProgressStart;
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+ return (com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking && lagCompensated > (tickDiff + 1)) ? lagCompensated : tickDiff; // add one to ensure we don't lag compensate unless we need to
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+ }
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+
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+ private int getTimeDiggingTooFastLagCompensate() {
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+ int lagCompensated = (int)((System.nanoTime() - this.hasDestroyedTooFastStartTime) / (50L * 1000L * 1000L));
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+ int tickDiff = this.gameTicks - this.delayedTickStart;
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+ return (com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking && lagCompensated > (tickDiff + 1)) ? lagCompensated : tickDiff; // add one to ensure we don't lag compensate unless we need to
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+ }
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+ // Paper end
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+
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public ServerPlayerGameMode(ServerPlayer player) {
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this.gameModeForPlayer = GameType.DEFAULT_MODE;
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this.destroyPos = BlockPos.ZERO;
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@@ -130,7 +144,7 @@ public class ServerPlayerGameMode {
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if (iblockdata == null || iblockdata.isAir()) { // Paper
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this.hasDelayedDestroy = false;
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} else {
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- float f = this.incrementDestroyProgress(iblockdata, this.delayedDestroyPos, this.delayedTickStart);
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+ float f = this.updateBlockBreakAnimation(iblockdata, this.delayedDestroyPos, this.getTimeDiggingTooFastLagCompensate()); // Paper - lag compensate destroying blocks
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if (f >= 1.0F) {
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this.hasDelayedDestroy = false;
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@@ -150,7 +164,7 @@ public class ServerPlayerGameMode {
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this.lastSentState = -1;
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this.isDestroyingBlock = false;
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} else {
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- this.incrementDestroyProgress(iblockdata, this.destroyPos, this.destroyProgressStart);
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+ this.updateBlockBreakAnimation(iblockdata, this.destroyPos, this.getTimeDiggingLagCompensate()); // Paper - lag compensate destroying
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}
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}
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@@ -158,6 +172,12 @@ public class ServerPlayerGameMode {
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private float incrementDestroyProgress(BlockState state, BlockPos pos, int i) {
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int j = this.gameTicks - i;
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+ // Paper start - change i (startTime) to totalTime
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+ return this.updateBlockBreakAnimation(state, pos, j);
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+ }
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+ private float updateBlockBreakAnimation(BlockState state, BlockPos pos, int totalTime) {
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+ int j = totalTime;
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+ // Paper end
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float f = state.getDestroyProgress(this.player, this.player.level, pos) * (float) (j + 1);
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int k = (int) (f * 10.0F);
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@@ -234,7 +254,7 @@ public class ServerPlayerGameMode {
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return;
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}
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- this.destroyProgressStart = this.gameTicks;
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+ this.destroyProgressStart = this.gameTicks; this.lastDigTime = System.nanoTime(); // Paper - lag compensate block breaking
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float f = 1.0F;
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iblockdata1 = this.level.getBlockState(pos);
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@@ -287,12 +307,12 @@ public class ServerPlayerGameMode {
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int j = (int) (f * 10.0F);
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this.level.destroyBlockProgress(this.player.getId(), pos, j);
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- this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "actual start of destroying"));
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+ if (!com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking) this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "actual start of destroying"));
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this.lastSentState = j;
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}
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} else if (action == ServerboundPlayerActionPacket.Action.STOP_DESTROY_BLOCK) {
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if (pos.equals(this.destroyPos)) {
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- int k = this.gameTicks - this.destroyProgressStart;
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+ int k = this.getTimeDiggingLagCompensate(); // Paper - lag compensate block breaking
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iblockdata1 = this.level.getBlockState(pos);
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if (!iblockdata1.isAir()) {
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@@ -309,12 +329,18 @@ public class ServerPlayerGameMode {
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this.isDestroyingBlock = false;
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this.hasDelayedDestroy = true;
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this.delayedDestroyPos = pos;
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- this.delayedTickStart = this.destroyProgressStart;
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+ this.delayedTickStart = this.destroyProgressStart; this.hasDestroyedTooFastStartTime = this.lastDigTime; // Paper - lag compensate block breaking
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}
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}
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}
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+ // Paper start - this can cause clients on a lagging server to think they're not currently destroying a block
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+ if (com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking) {
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+ this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
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+ } else {
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this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "stopped destroying"));
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+ }
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+ // Paper end - this can cause clients on a lagging server to think they're not currently destroying a block
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} else if (action == ServerboundPlayerActionPacket.Action.ABORT_DESTROY_BLOCK) {
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this.isDestroyingBlock = false;
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if (!Objects.equals(this.destroyPos, pos) && !BlockPos.ZERO.equals(this.destroyPos)) {
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@@ -326,7 +352,7 @@ public class ServerPlayerGameMode {
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}
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this.level.destroyBlockProgress(this.player.getId(), pos, -1);
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- this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "aborted destroying"));
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+ if (!com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking) this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, "aborted destroying")); // Paper - this can cause clients on a lagging server to think they stopped destroying a block they're currently destroying
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CraftEventFactory.callBlockDamageAbortEvent(this.player, pos, this.player.getInventory().getSelected()); // CraftBukkit
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}
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@@ -338,7 +364,13 @@ public class ServerPlayerGameMode {
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public void destroyAndAck(BlockPos pos, ServerboundPlayerActionPacket.Action action, String reason) {
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if (this.destroyBlock(pos)) {
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+ // Paper start - this can cause clients on a lagging server to think they're not currently destroying a block
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+ if (com.destroystokyo.paper.PaperConfig.lagCompensateBlockBreaking) {
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+ this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos));
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+ } else {
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this.player.connection.send(new ClientboundBlockBreakAckPacket(pos, this.level.getBlockState(pos), action, true, reason));
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+ }
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+ // Paper end - this can cause clients on a lagging server to think they're not currently destroying a block
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} else {
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this.player.connection.send(new ClientboundBlockUpdatePacket(this.level, pos)); // CraftBukkit - SPIGOT-5196
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}
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