Paper/patches/server/0970-Add-experience-points-API.patch
Jake Potrebic bd38e0318a
Updated Upstream (Bukkit/CraftBukkit) (#10379)
Updated Upstream (Bukkit/CraftBukkit)

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:
f02baa38 PR-988: Add World#getIntersectingChunks(BoundingBox)
9321d665 Move getItemInUse up to LivingEntity
819eef73 PR-959: Add access to current item's remaining ticks
c4fdadb0 SPIGOT-7601: Add AbstractArrow#getItem
be8261ca Add support for Java 22
26119676 PR-979: Add more translation keys
66753362 PR-985: Correct book maximum pages and characters per page documentation
c8be92fa PR-980: Improve getArmorContents() documentation
f1120ee2 PR-983: Expose riptide velocity to PlayerRiptideEvent

CraftBukkit Changes:
dfaa89bbe PR-1369: Add World#getIntersectingChunks(BoundingBox)
51bbab2b9 Move getItemInUse up to LivingEntity
668e09602 PR-1331: Add access to current item's remaining ticks
a639406d1 SPIGOT-7601: Add AbstractArrow#getItem
0398930fc SPIGOT-7602: Allow opening in-world horse and related inventories
ffd15611c SPIGOT-7608: Allow empty lists to morph to any PDT list
2188dcfa9 Add support for Java 22
45d6a609f SPIGOT-7604: Revert "SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime"
06d915943 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime
ca3bc3707 PR-1361: Add more translation keys
366c3ca80 SPIGOT-7600: EntityChangeBlockEvent is not fired for frog eggs
06d0f9ba8 SPIGOT-7593: Fix sapling growth physics / client-side updates
45c2608e4 PR-1366: Expose riptide velocity to PlayerRiptideEvent
29b6bb79b SPIGOT-7587: Remove fixes for now-resolved MC-142590 and MC-109346
2024-04-06 12:53:39 -07:00

74 lines
3.9 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Lukas Planz <lukas.planz@web.de>
Date: Tue, 5 Sep 2023 20:34:20 +0200
Subject: [PATCH] Add experience points API
diff --git a/src/main/java/net/minecraft/world/entity/player/Player.java b/src/main/java/net/minecraft/world/entity/player/Player.java
index e92cb12a04827c2afc0662a26320458527aa2bd4..020b74065f7489a46b70ac52e5abbdb22132f8d8 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1834,7 +1834,7 @@ public abstract class Player extends LivingEntity {
}
public int getXpNeededForNextLevel() {
- return this.experienceLevel >= 30 ? 112 + (this.experienceLevel - 30) * 9 : (this.experienceLevel >= 15 ? 37 + (this.experienceLevel - 15) * 5 : 7 + this.experienceLevel * 2);
+ 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; calculateTotalExperiencePoints
}
// Paper start - send while respecting visibility
private static void sendSoundEffect(Player fromEntity, double x, double y, double z, SoundEvent soundEffect, SoundSource soundCategory, float volume, float pitch) {
diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
index 0b34a90d275534a84bea7d7d9cce08b41ea7a698..e874d76437fc4c86fd4ed2d03e416dd1ff528b76 100644
--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
+++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
@@ -1824,6 +1824,49 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
Preconditions.checkArgument(exp >= 0, "Total experience points must not be negative (%s)", exp);
this.getHandle().totalExperience = exp;
}
+ // Paper start
+ @Override
+ public int calculateTotalExperiencePoints() {
+ return calculateTotalExperiencePoints(this.getLevel()) + Math.round(this.getExperiencePointsNeededForNextLevel() * getExp());
+ }
+
+ @Override
+ public void setExperienceLevelAndProgress(final int totalExperience) {
+ Preconditions.checkArgument(totalExperience >= 0, "Total experience points must not be negative (%s)", totalExperience);
+ int level = calculateLevelsForExperiencePoints(totalExperience);
+ int remainingPoints = totalExperience - calculateTotalExperiencePoints(level);
+
+ this.getHandle().experienceLevel = level;
+ this.getHandle().experienceProgress = (float) remainingPoints / this.getExperiencePointsNeededForNextLevel();
+ this.getHandle().lastSentExp = -1;
+ }
+
+ @Override
+ public int getExperiencePointsNeededForNextLevel() {
+ return this.getHandle().getXpNeededForNextLevel();
+ }
+
+ // See https://minecraft.wiki/w/Experience#Leveling_up for reference
+ private int calculateTotalExperiencePoints(int level) {
+ if (level <= 16) {
+ return (int) (Math.pow(level, 2) + 6 * level);
+ } else if (level <= 31) {
+ return (int) (2.5 * Math.pow(level, 2) - 40.5 * level + 360.0);
+ } else {
+ return (int) (4.5 * Math.pow(level, 2) - 162.5 * level + 2220.0);
+ }
+ }
+
+ private int calculateLevelsForExperiencePoints(int points) {
+ if (points <= 352) { // Level 0-16
+ return (int) Math.floor(Math.sqrt(points + 9) - 3);
+ } else if (points <= 1507) { // Level 17-31
+ return (int) Math.floor(8.1 + Math.sqrt(0.4 * (points - (7839.0 / 40.0))));
+ } else { // 32+
+ return (int) Math.floor((325.0 / 18.0) + Math.sqrt((2.0 / 9.0) * (points - (54215.0 / 72.0))));
+ }
+ }
+ // Paper end
@Override
public void sendExperienceChange(float progress) {