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Add experience points API

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This commit is contained in:
Lukas Planz
2023-09-05 20:34:20 +02:00
parent 15fcde4b3c
commit 57894618cf
2 changed files with 58 additions and 12 deletions
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43
paper-server/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
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@@ -1933,6 +1933,49 @@ 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) {