From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <blake.galbreath@gmail.com>
Date: Thu, 26 Dec 2019 22:08:37 -0600
Subject: [PATCH] Add player death exp control options


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 5e404e470a28f04f5659503bcc6b66caf1880f3f..9dd8dc8f0dc218c5a021d84649f364cd2f1b3a45 100644
--- a/src/main/java/net/minecraft/world/entity/player/Player.java
+++ b/src/main/java/net/minecraft/world/entity/player/Player.java
@@ -1976,9 +1976,19 @@ public abstract class Player extends LivingEntity {
     @Override
     protected int getBaseExperienceReward() {
         if (!this.level().getGameRules().getBoolean(GameRules.RULE_KEEPINVENTORY) && !this.isSpectator()) {
-            int i = this.experienceLevel * 7;
-
-            return i > 100 ? 100 : i;
+            // Purpur start
+            int toDrop;
+            try {
+                toDrop = Math.round(((Number) scriptEngine.eval("let expLevel = " + experienceLevel + "; " +
+                        "let expTotal = " + totalExperience + "; " +
+                        "let exp = " + experienceProgress + "; " +
+                        level().purpurConfig.playerDeathExpDropEquation)).floatValue());
+            } catch (javax.script.ScriptException e) {
+                e.printStackTrace();
+                toDrop = experienceLevel * 7;
+            }
+            return Math.min(toDrop, level().purpurConfig.playerDeathExpDropMax);
+            // Purpur end
         } else {
             return 0;
         }
diff --git a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
index cde1b1277d83ac2478f872dccdc2f7f87196cc94..ed8f3c606984f83b77ca96cbfc8bcd454ad63ff8 100644
--- a/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
+++ b/src/main/java/org/purpurmc/purpur/PurpurWorldConfig.java
@@ -172,6 +172,8 @@ public class PurpurWorldConfig {
     public boolean idleTimeoutCountAsSleeping = false;
     public boolean idleTimeoutUpdateTabList = false;
     public boolean idleTimeoutTargetPlayer = true;
+    public String playerDeathExpDropEquation = "expLevel * 7";
+    public int playerDeathExpDropMax = 100;
     private void playerSettings() {
         if (PurpurConfig.version < 19) {
             boolean oldVal = getBoolean("gameplay-mechanics.player.idle-timeout.mods-target", idleTimeoutTargetPlayer);
@@ -183,6 +185,8 @@ public class PurpurWorldConfig {
         idleTimeoutCountAsSleeping = getBoolean("gameplay-mechanics.player.idle-timeout.count-as-sleeping", idleTimeoutCountAsSleeping);
         idleTimeoutUpdateTabList = getBoolean("gameplay-mechanics.player.idle-timeout.update-tab-list", idleTimeoutUpdateTabList);
         idleTimeoutTargetPlayer = getBoolean("gameplay-mechanics.player.idle-timeout.mobs-target", idleTimeoutTargetPlayer);
+        playerDeathExpDropEquation = getString("gameplay-mechanics.player.exp-dropped-on-death.equation", playerDeathExpDropEquation);
+        playerDeathExpDropMax = getInt("gameplay-mechanics.player.exp-dropped-on-death.maximum", playerDeathExpDropMax);
     }
 
     public boolean silkTouchEnabled = false;