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c0936a71bd
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: 01aa02eb PR-858: Add LivingEntity#playHurtAnimation() 9421320f PR-884: Refinements to new ban API for improved compatibility and correctness 37a60b45 SPIGOT-6455, SPIGOT-7030, PR-750: Improve ban API 4eeb174b All smithing inventories are now the new smithing inventory f2bb168e PR-880: Add methods to get/set FallingBlock CancelDrop e7a807fa PR-879: Add Player#sendHealthUpdate() 692b8e96 SPIGOT-7370: Remove float value conversion in plugin.yml 2d033390 SPIGOT-7403: Add direct API for waxed signs 16a08373 PR-876: Add missing Raider API and 'no action ticks' CraftBukkit Changes: b60a95c8c PR-1189: Add LivingEntity#playHurtAnimation() 95c335c63 PR-1226: Fix VehicleEnterEvent not being called for certain entities 0a0fc3bee PR-1227: Refinements to new ban API for improved compatibility and correctness 0d0b1e5dc Revert bad change to PathfinderGoalSit causing all cats to sit 648196070 SPIGOT-6455, SPIGOT-7030, PR-1054: Improve ban API 31fe848d6 All smithing inventories are now the new smithing inventory 9a919a143 SPIGOT-7416: SmithItemEvent not firing in Smithing Table 9f64f0d22 PR-1221: Add methods to get/set FallingBlock CancelDrop 3be9ac171 PR-1220: Add Player#sendHealthUpdate() c1279f775 PR-1209: Clean up various patches c432e4397 Fix Raider#setCelebrating() implementation 504d96665 SPIGOT-7403: Add direct API for waxed signs c68c1f1b3 PR-1216: Add missing Raider API and 'no action ticks' 85b89c3dd Increase outdated build delay Spigot Changes: 9ebce8af Rebuild patches 64b565e6 Rebuild patches
171 lines
12 KiB
Diff
171 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Thu, 2 Jul 2020 12:02:43 -0700
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Subject: [PATCH] Optimise collision checking in player move packet handling
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Move collision logic to just the hasNewCollision call instead of getCubes + hasNewCollision
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CHECK ME
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diff --git a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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index 913cd79d9a382d9464ce20a95f91f0e0122fc71b..58ee55afb11b0c64b78014424bbcb5ac301efe79 100644
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--- a/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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+++ b/src/main/java/net/minecraft/server/network/ServerGamePacketListenerImpl.java
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@@ -647,7 +647,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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return;
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}
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- boolean flag = worldserver.noCollision(entity, entity.getBoundingBox().deflate(0.0625D));
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+ AABB oldBox = entity.getBoundingBox(); // Paper - copy from player movement packet
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d6 = d3 - this.vehicleLastGoodX; // Paper - diff on change, used for checking large move vectors above
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d7 = d4 - this.vehicleLastGoodY - 1.0E-6D; // Paper - diff on change, used for checking large move vectors above
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@@ -663,6 +663,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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entity.move(MoverType.PLAYER, new Vec3(d6, d7, d8));
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+ boolean didCollide = toX != entity.getX() || toY != entity.getY() || toZ != entity.getZ(); // Paper - needed here as the difference in Y can be reset - also note: this is only a guess at whether collisions took place, floating point errors can make this true when it shouldn't be...
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double d11 = d7;
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d6 = d3 - entity.getX();
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@@ -676,16 +677,24 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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boolean flag2 = false;
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if (d10 > org.spigotmc.SpigotConfig.movedWronglyThreshold) { // Spigot
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- flag2 = true;
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+ flag2 = true; // Paper - diff on change, this should be moved wrongly
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ServerGamePacketListenerImpl.LOGGER.warn("{} (vehicle of {}) moved wrongly! {}", new Object[]{entity.getName().getString(), this.player.getName().getString(), Math.sqrt(d10)});
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}
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Location curPos = this.getCraftPlayer().getLocation(); // Spigot
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entity.absMoveTo(d3, d4, d5, f, f1);
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this.player.absMoveTo(d3, d4, d5, this.player.getYRot(), this.player.getXRot()); // CraftBukkit
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- boolean flag3 = worldserver.noCollision(entity, entity.getBoundingBox().deflate(0.0625D));
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- if (flag && (flag2 || !flag3)) {
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+ // Paper start - optimise out extra getCubes
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+ boolean teleportBack = flag2; // violating this is always a fail
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+ if (!teleportBack) {
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+ // note: only call after setLocation, or else getBoundingBox is wrong
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+ AABB newBox = entity.getBoundingBox();
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+ if (didCollide || !oldBox.equals(newBox)) {
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+ teleportBack = this.hasNewCollision(worldserver, entity, oldBox, newBox);
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+ } // else: no collision at all detected, why do we care?
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+ }
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+ if (teleportBack) { // Paper end - optimise out extra getCubes
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entity.absMoveTo(d0, d1, d2, f, f1);
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this.player.absMoveTo(d0, d1, d2, this.player.getYRot(), this.player.getXRot()); // CraftBukkit
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this.connection.send(new ClientboundMoveVehiclePacket(entity));
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@@ -771,7 +780,32 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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private boolean noBlocksAround(Entity entity) {
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- return entity.level().getBlockStates(entity.getBoundingBox().inflate(0.0625D).expandTowards(0.0D, -0.55D, 0.0D)).allMatch(BlockBehaviour.BlockStateBase::isAir);
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+ // Paper start - stop using streams, this is already a known fixed problem in Entity#move
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+ AABB box = entity.getBoundingBox().inflate(0.0625D).expandTowards(0.0D, -0.55D, 0.0D);
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+ int minX = Mth.floor(box.minX);
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+ int minY = Mth.floor(box.minY);
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+ int minZ = Mth.floor(box.minZ);
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+ int maxX = Mth.floor(box.maxX);
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+ int maxY = Mth.floor(box.maxY);
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+ int maxZ = Mth.floor(box.maxZ);
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+
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+ Level world = entity.level();
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+ BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos();
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+
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+ for (int y = minY; y <= maxY; ++y) {
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+ for (int z = minZ; z <= maxZ; ++z) {
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+ for (int x = minX; x <= maxX; ++x) {
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+ pos.set(x, y, z);
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+ BlockState type = world.getBlockStateIfLoaded(pos);
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+ if (type != null && !type.isAir()) {
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+ return false;
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+ }
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+ }
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+ }
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+ }
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+
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+ return true;
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+ // Paper end - stop using streams, this is already a known fixed problem in Entity#move
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}
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@Override
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@@ -1347,7 +1381,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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if (this.awaitingPositionFromClient != null) {
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- if (this.tickCount - this.awaitingTeleportTime > 20) {
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+ if (false && this.tickCount - this.awaitingTeleportTime > 20) { // Paper - this will greatly screw with clients with > 1000ms RTT
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this.awaitingTeleportTime = this.tickCount;
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this.teleport(this.awaitingPositionFromClient.x, this.awaitingPositionFromClient.y, this.awaitingPositionFromClient.z, this.player.getYRot(), this.player.getXRot());
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}
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@@ -1440,7 +1474,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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}
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- AABB axisalignedbb = this.player.getBoundingBox();
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+ AABB axisalignedbb = this.player.getBoundingBox(); // Paper - diff on change, should be old AABB
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d6 = d0 - this.lastGoodX; // Paper - diff on change, used for checking large move vectors above
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d7 = d1 - this.lastGoodY; // Paper - diff on change, used for checking large move vectors above
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@@ -1482,6 +1516,7 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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this.player.move(MoverType.PLAYER, new Vec3(d6, d7, d8));
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this.player.onGround = packet.isOnGround(); // CraftBukkit - SPIGOT-5810, SPIGOT-5835, SPIGOT-6828: reset by this.player.move
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+ boolean didCollide = toX != this.player.getX() || toY != this.player.getY() || toZ != this.player.getZ(); // Paper - needed here as the difference in Y can be reset - also note: this is only a guess at whether collisions took place, floating point errors can make this true when it shouldn't be...
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// Paper start - prevent position desync
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if (this.awaitingPositionFromClient != null) {
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return; // ... thanks Mojang for letting move calls teleport across dimensions.
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@@ -1500,11 +1535,23 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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boolean flag2 = false;
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if (!this.player.isChangingDimension() && d10 > org.spigotmc.SpigotConfig.movedWronglyThreshold && !this.player.isSleeping() && !this.player.gameMode.isCreative() && this.player.gameMode.getGameModeForPlayer() != GameType.SPECTATOR) { // Spigot
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- flag2 = true;
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+ flag2 = true; // Paper - diff on change, this should be moved wrongly
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ServerGamePacketListenerImpl.LOGGER.warn("{} moved wrongly!", this.player.getName().getString());
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}
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- if (!this.player.noPhysics && !this.player.isSleeping() && (flag2 && worldserver.noCollision(this.player, axisalignedbb) || this.isPlayerCollidingWithAnythingNew(worldserver, axisalignedbb, d0, d1, d2))) {
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+ // Paper start - optimise out extra getCubes
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+ this.player.absMoveTo(d0, d1, d2, f, f1); // prevent desync by tping to the set position, dropped for unknown reasons by mojang
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+ // Original for reference:
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+ // boolean teleportBack = flag2 && worldserver.getCubes(this.player, axisalignedbb) || (didCollide && this.a((IWorldReader) worldserver, axisalignedbb));
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+ boolean teleportBack = flag2; // violating this is always a fail
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+ if (!this.player.noPhysics && !this.player.isSleeping() && !teleportBack) {
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+ AABB newBox = this.player.getBoundingBox();
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+ if (didCollide || !axisalignedbb.equals(newBox)) {
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+ // note: only call after setLocation, or else getBoundingBox is wrong
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+ teleportBack = this.hasNewCollision(worldserver, this.player, axisalignedbb, newBox);
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+ } // else: no collision at all detected, why do we care?
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+ }
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+ if (!this.player.noPhysics && !this.player.isSleeping() && teleportBack) { // Paper end - optimise out extra getCubes
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this.internalTeleport(d3, d4, d5, f, f1, Collections.emptySet()); // CraftBukkit - SPIGOT-1807: Don't call teleport event, when the client thinks the player is falling, because the chunks are not loaded on the client yet.
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this.player.doCheckFallDamage(this.player.getX() - d3, this.player.getY() - d4, this.player.getZ() - d5, packet.isOnGround());
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} else {
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@@ -1590,6 +1637,26 @@ public class ServerGamePacketListenerImpl implements ServerPlayerConnection, Tic
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}
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}
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+ // Paper start - optimise out extra getCubes
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+ private boolean hasNewCollision(final ServerLevel world, final Entity entity, final AABB oldBox, final AABB newBox) {
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+ final List<AABB> collisions = io.papermc.paper.util.CachedLists.getTempCollisionList();
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+ try {
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+ io.papermc.paper.util.CollisionUtil.getCollisions(world, entity, newBox, collisions, false, true,
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+ true, false, null, null);
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+
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+ for (int i = 0, len = collisions.size(); i < len; ++i) {
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+ final AABB box = collisions.get(i);
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+ if (!io.papermc.paper.util.CollisionUtil.voxelShapeIntersect(box, oldBox)) {
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+ return true;
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+ }
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+ }
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+
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+ return false;
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+ } finally {
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+ io.papermc.paper.util.CachedLists.returnTempCollisionList(collisions);
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+ }
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+ }
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+ // Paper end - optimise out extra getCubes
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private boolean isPlayerCollidingWithAnythingNew(LevelReader world, AABB box, double newX, double newY, double newZ) {
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AABB axisalignedbb1 = this.player.getBoundingBox().move(newX - this.player.getX(), newY - this.player.getY(), newZ - this.player.getZ());
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Iterable<VoxelShape> iterable = world.getCollisions(this.player, axisalignedbb1.deflate(9.999999747378752E-6D));
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