Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-11-15 04:20:04 +01:00
d8847bc1f3
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: fde5602a PR-927: Add PlayerRecipeBookSettingsChangeEvent 949ff217 PR-930: Add methods to get/set evoker fang attack delay f6f7c79d SPIGOT-7514, PR-929: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics d40e22da PR-712: Add API to get full result of crafting items CraftBukkit Changes: c8feb0629 PR-1291: Improve precondition message in Entity#playEffect 482c56a00 PR-1285: Add PlayerRecipeBookSettingsChangeEvent cdf798800 PR-1290: Add methods to get/set evoker fang attack delay 2c1b5f78f SPIGOT-7514, PR-1289: Add "Enchantment Roll" API to enchant items according to Minecraft mechanics 6aa644ae9 PR-992: Add API to get full result of crafting items ffb1319bc PR-1287: Fix scoreboards not updating in Player#setStatistic
179 Zeilen
12 KiB
Diff
179 Zeilen
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 2898712d34dc5dd1f2e505746c515f773de2b0d8..5911fc7009a4bdf99f8016d440fbeb1ae9b44441 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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@@ -534,7 +534,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -550,6 +550,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -563,16 +564,24 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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.send(new ClientboundMoveVehiclePacket(entity));
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@@ -658,7 +667,32 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -1235,7 +1269,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -1328,7 +1362,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -1370,6 +1404,7 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -1388,11 +1423,23 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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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@@ -1478,6 +1525,33 @@ public class ServerGamePacketListenerImpl extends ServerCommonPacketListenerImpl
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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> collisionsBB = new java.util.ArrayList<>();
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+ final List<VoxelShape> collisionsVoxel = new java.util.ArrayList<>();
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+ io.papermc.paper.util.CollisionUtil.getCollisions(
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+ world, entity, newBox, collisionsVoxel, collisionsBB,
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+ io.papermc.paper.util.CollisionUtil.COLLISION_FLAG_COLLIDE_WITH_UNLOADED_CHUNKS | io.papermc.paper.util.CollisionUtil.COLLISION_FLAG_CHECK_BORDER,
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+ null, null
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+ );
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+
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+ for (int i = 0, len = collisionsBB.size(); i < len; ++i) {
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+ final AABB box = collisionsBB.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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+ for (int i = 0, len = collisionsVoxel.size(); i < len; ++i) {
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+ final VoxelShape voxel = collisionsVoxel.get(i);
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+ if (!io.papermc.paper.util.CollisionUtil.voxelShapeIntersectNoEmpty(voxel, 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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+ }
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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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