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73 lines
3.9 KiB
Diff
73 lines
3.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Lukas Planz <lukas.planz@web.de>
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Date: Tue, 5 Sep 2023 20:34:20 +0200
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Subject: [PATCH] Add experience points API
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diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
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index 7f3466340891b4409d1399ebeb2ca865d77841cd..3e597833b57377b855505b8a0f2744801c791f90 100644
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--- a/src/main/java/net/minecraft/world/entity/player/Player.java
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+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
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@@ -1833,7 +1833,7 @@ public abstract class Player extends LivingEntity {
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}
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public int getXpNeededForNextLevel() {
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- return this.experienceLevel >= 30 ? 112 + (this.experienceLevel - 30) * 9 : (this.experienceLevel >= 15 ? 37 + (this.experienceLevel - 15) * 5 : 7 + this.experienceLevel * 2);
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+ return this.experienceLevel >= 30 ? 112 + (this.experienceLevel - 30) * 9 : (this.experienceLevel >= 15 ? 37 + (this.experienceLevel - 15) * 5 : 7 + this.experienceLevel * 2); // Paper - diff on change
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}
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// Paper start - send SoundEffect to everyone who can see fromEntity
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private static void sendSoundEffect(Player fromEntity, double x, double y, double z, SoundEvent soundEffect, SoundSource soundCategory, float volume, float pitch) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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index 39bf2b92cd8907afa13b9bf7f02553cd2539023b..da63b4050be25dcb91d04df8c2fcc643cbb0751d 100644
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--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -1821,6 +1821,49 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
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Preconditions.checkArgument(exp >= 0, "Total experience points must not be negative (%s)", exp);
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this.getHandle().totalExperience = exp;
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}
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+ // Paper start
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+ @Override
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+ public int calculateTotalExperiencePoints() {
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+ return calculateTotalExperiencePoints(this.getLevel()) + Math.round(this.getExperiencePointsNeededForNextLevel() * getExp());
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+ }
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+
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+ @Override
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+ public void setExperienceLevelAndProgress(final int totalExperience) {
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+ Preconditions.checkArgument(totalExperience >= 0, "Total experience points must not be negative (%s)", totalExperience);
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+ int level = calculateLevelsForExperiencePoints(totalExperience);
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+ int remainingPoints = totalExperience - calculateTotalExperiencePoints(level);
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+
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+ this.getHandle().experienceLevel = level;
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+ this.getHandle().experienceProgress = (float) remainingPoints / this.getExperiencePointsNeededForNextLevel();
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+ this.getHandle().lastSentExp = -1;
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+ }
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+
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+ @Override
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+ public int getExperiencePointsNeededForNextLevel() {
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+ return this.getHandle().getXpNeededForNextLevel();
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+ }
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+
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+ // See https://minecraft.wiki/w/Experience#Leveling_up for reference
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+ private int calculateTotalExperiencePoints(int level) {
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+ if (level <= 16) {
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+ return (int) (Math.pow(level, 2) + 6 * level);
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+ } else if (level <= 31) {
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+ return (int) (2.5 * Math.pow(level, 2) - 40.5 * level + 360.0);
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+ } else {
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+ return (int) (4.5 * Math.pow(level, 2) - 162.5 * level + 2220.0);
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+ }
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+ }
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+
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+ private int calculateLevelsForExperiencePoints(int points) {
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+ if (points <= 352) { // Level 0-16
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+ return (int) Math.floor(Math.sqrt(points + 9) - 3);
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+ } else if (points <= 1507) { // Level 17-31
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+ return (int) Math.floor(8.1 + Math.sqrt(0.4 * (points - (7839.0 / 40.0))));
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+ } else { // 32+
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+ return (int) Math.floor((325.0 / 18.0) + Math.sqrt((2.0 / 9.0) * (points - (54215.0 / 72.0))));
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+ }
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+ }
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+ // Paper end
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@Override
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public void sendExperienceChange(float progress) {
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