27c7749f42
- Re-removes Bukkit#getServerName - This was (hopefully?) only added back for Timings v2. It should be kept in that scope. - Intend to let PlayerViewDistance API slip. Given the scope of the changes in this area it seems best to let this slip past initial release. It can be re-added when there is additional time to focus on it and the changed systems it relies on. If it is fixed prior to release this is implemented as a single shim patch that can be dropped.
114 Zeilen
4.7 KiB
Diff
114 Zeilen
4.7 KiB
Diff
From 8eb491a62ea0800705c8e1d23bafc2c3b8855e2c Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 15 Jun 2018 00:30:32 -0400
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Subject: [PATCH] Configurable Alternative LootPool Luck Formula
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Rewrites the Vanilla luck application formula so that luck can be
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applied to items that do not have any quality defined.
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See: https://luckformula.emc.gs for data and details
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-----------
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The rough summary is:
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My goal was that in a pool, when luck was applied, the pool
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rebalances so the percentages for bigger items is
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lowered and smaller items is boosted.
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Do this by boosting and then reducing the weight value,
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so that larger numbers are penalized more than smaller numbers.
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resulting in a larger reduction of entries for more common
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items than the reduction on small weights,
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giving smaller weights more of a chance
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-----------
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This work kind of obsoletes quality, but quality would be useful
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for 2 items with same weight that you want luck to impact
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in varying directions.
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Fishing still falls into that as the weights are closer, so luck
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will invalidate junk more.
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This change will result in some major changes to fishing formulas.
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-----------
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I would love to see this change in Vanilla, so Mojang please pull :)
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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 a186b6eb0..a9b71c85d 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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@@ -279,4 +279,12 @@ public class PaperConfig {
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"such as inventories, experience points, advancements and the like will not be saved when they log out.");
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}
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}
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+
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+ public static boolean useAlternativeLuckFormula = false;
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+ private static void useAlternativeLuckFormula() {
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+ useAlternativeLuckFormula = getBoolean("settings.use-alternative-luck-formula", false);
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+ if (useAlternativeLuckFormula) {
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+ Bukkit.getLogger().log(Level.INFO, "Using Aikar's Alternative Luck Formula to apply Luck attribute to all loot pool calculations. See https://luckformula.emc.gs");
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+ }
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+ }
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}
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diff --git a/src/main/java/net/minecraft/server/LootSelectorEntry.java b/src/main/java/net/minecraft/server/LootSelectorEntry.java
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index 1016325bd..2c979e0b7 100644
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--- a/src/main/java/net/minecraft/server/LootSelectorEntry.java
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+++ b/src/main/java/net/minecraft/server/LootSelectorEntry.java
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@@ -13,8 +13,8 @@ import org.apache.commons.lang3.ArrayUtils;
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public abstract class LootSelectorEntry extends LootEntryAbstract {
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- protected final int e;
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- protected final int f;
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+ protected final int e; public int getWeight() { return e; } // Paper - OBFHELPER
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+ protected final int f; public int getQuality() { return f; } // Paper - OBFHELPER
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protected final LootItemFunction[] g;
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private final BiFunction<ItemStack, LootTableInfo, ItemStack> c;
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private final LootEntry h = new LootSelectorEntry.c() {
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@@ -147,11 +147,38 @@ public abstract class LootSelectorEntry extends LootEntryAbstract {
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public abstract class c implements LootEntry {
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- protected c() {}
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+ protected c() {
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+ }
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@Override
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public int a(float f) {
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- return Math.max(MathHelper.d((float) LootSelectorEntry.this.e + (float) LootSelectorEntry.this.f * f), 0);
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+ // Paper start - Offer an alternative loot formula to refactor how luck bonus applies
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+ // SEE: https://luckformula.emc.gs for details and data
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+ if (lastLuck != null && lastLuck == f) {
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+ return lastWeight;
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+ }
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+ // This is vanilla
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+ float qualityModifer = (float) getQuality() * f;
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+ double baseWeight = (getWeight() + qualityModifer);
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+ if (com.destroystokyo.paper.PaperConfig.useAlternativeLuckFormula) {
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+ // Random boost to avoid losing precision in the final int cast on return
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+ final int weightBoost = 100;
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+ baseWeight *= weightBoost;
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+ // If we have vanilla 1, bump that down to 0 so nothing is is impacted
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+ // vanilla 3 = 300, 200 basis = impact 2%
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+ // =($B2*(($B2-100)/100/100))
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+ double impacted = baseWeight * ((baseWeight - weightBoost) / weightBoost / 100);
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+ // =($B$7/100)
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+ float luckModifier = Math.min(100, f * 10) / 100;
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+ // =B2 - (C2 *($B$7/100))
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+ baseWeight = Math.ceil(baseWeight - (impacted * luckModifier));
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+ }
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+ lastLuck = f;
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+ lastWeight = (int) Math.max(0, Math.floor(baseWeight));
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+ return lastWeight;
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}
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}
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+ private Float lastLuck = null;
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+ private int lastWeight = 0;
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+ // Paper end
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}
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--
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2.21.0
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