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c5a10665b8
Spigot still maintains some partial implementation of "tick skipping", a practice in which the MinecraftServer.currentTick field is updated not by an increment of one per actual tick, but instead set to System.currentTimeMillis() / 50. This behaviour means that the tracked tick may "skip" a tick value in case a previous tick took more than the expected 50ms. To compensate for this in important paths, spigot/craftbukkit implements "wall-time". Instead of incrementing/decrementing ticks on block entities/entities by one for each call to their tick() method, they instead increment/decrement important values, like an ItemEntity's age or pickupDelay, by the difference of `currentTick - lastTick`, where `lastTick` is the value of `currentTick` during the last tick() call. These "fixes" however do not play nicely with minecraft's simulation distance as entities/block entities implementing the above behaviour would "catch up" their values when moving from a non-ticking chunk to a ticking one as their `lastTick` value remains stuck on the last tick in a ticking chunk and hence lead to a large "catch up" once ticked again. Paper completely removes the "tick skipping" behaviour (See patch "Further-improve-server-tick-loop"), making the above precautions completely unnecessary, which also rids paper of the previous described incompatibility with non-ticking chunks.
35 lines
2.8 KiB
Diff
35 lines
2.8 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Doc <nachito94@msn.com>
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Date: Mon, 2 Aug 2021 11:24:39 -0400
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Subject: [PATCH] Add configurable height for slime spawn
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diff --git a/src/main/java/net/minecraft/world/entity/monster/Slime.java b/src/main/java/net/minecraft/world/entity/monster/Slime.java
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index b54c30ba73b6ab069c0c7c1cd2b193090da79667..adebb66e550f805f444bec22e9a4dd575a642b43 100644
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--- a/src/main/java/net/minecraft/world/entity/monster/Slime.java
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+++ b/src/main/java/net/minecraft/world/entity/monster/Slime.java
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@@ -348,7 +348,11 @@ public class Slime extends Mob implements Enemy {
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return checkMobSpawnRules(type, world, spawnReason, pos, random);
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}
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- if (world.getBiome(pos).is(BiomeTags.ALLOWS_SURFACE_SLIME_SPAWNS) && pos.getY() > 50 && pos.getY() < 70 && random.nextFloat() < 0.5F && random.nextFloat() < world.getMoonBrightness() && world.getMaxLocalRawBrightness(pos) <= random.nextInt(8)) {
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+ // Paper start - Replace rules for Height in Swamp Biome
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+ final double maxHeightSwamp = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.surfaceBiome.maximum;
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+ final double minHeightSwamp = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.surfaceBiome.minimum;
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+ if (world.getBiome(pos).is(BiomeTags.ALLOWS_SURFACE_SLIME_SPAWNS) && pos.getY() > minHeightSwamp && pos.getY() < maxHeightSwamp && random.nextFloat() < 0.5F && random.nextFloat() < world.getMoonBrightness() && world.getMaxLocalRawBrightness(pos) <= random.nextInt(8)) {
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+ // Paper end - Replace rules for Height in Swamp Biome
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return checkMobSpawnRules(type, world, spawnReason, pos, random);
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}
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@@ -359,7 +363,10 @@ public class Slime extends Mob implements Enemy {
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ChunkPos chunkcoordintpair = new ChunkPos(pos);
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boolean flag = world.getMinecraftWorld().paperConfig().entities.spawning.allChunksAreSlimeChunks || WorldgenRandom.seedSlimeChunk(chunkcoordintpair.x, chunkcoordintpair.z, ((WorldGenLevel) world).getSeed(), world.getMinecraftWorld().spigotConfig.slimeSeed).nextInt(10) == 0; // Spigot // Paper
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- if (random.nextInt(10) == 0 && flag && pos.getY() < 40) {
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+ // Paper start - Replace rules for Height in Slime Chunks
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+ final double maxHeightSlimeChunk = world.getMinecraftWorld().paperConfig().entities.spawning.slimeSpawnHeight.slimeChunk.maximum;
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+ if (random.nextInt(10) == 0 && flag && pos.getY() < maxHeightSlimeChunk) {
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+ // Paper end - Replace rules for Height in Slime Chunks
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return checkMobSpawnRules(type, world, spawnReason, pos, random);
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}
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}
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