From add580a44ba97074cfef1eab62e1175a452beea2 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

---
 .../java/net/minecraft/server/EntityHuman.java    | 15 ++++++++++++---
 .../java/net/pl3x/purpur/PurpurWorldConfig.java   |  4 ++++
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 22e17e3de..14b57d678 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -1862,9 +1862,18 @@ public abstract class EntityHuman extends EntityLiving {
     @Override
     protected int getExpValue(EntityHuman entityhuman) {
         if (!this.world.getGameRules().getBoolean(GameRules.KEEP_INVENTORY) && !this.isSpectator()) {
-            int i = this.expLevel * 7;
-
-            return i > 100 ? 100 : i;
+            // Purpur start
+            int toDrop;
+            try {
+                scriptEngine.eval("expLevel = " + expLevel);
+                scriptEngine.eval("expTotal = " + expTotal);
+                scriptEngine.eval("exp = " + exp);
+                toDrop = (int) Math.round((Double) scriptEngine.eval(world.purpurConfig.playerDeathExpDropEquation));
+            } catch (Exception ignore) {
+                toDrop = expLevel * 7;
+            }
+            return Math.min(toDrop, world.purpurConfig.playerDeathExpDropMax);
+            // Purpur end
         } else {
             return 0;
         }
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 7d2c51a2f..caf7f0e84 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -155,6 +155,8 @@ public class PurpurWorldConfig {
     public boolean disableDropsOnCrammingDeath = false;
     public boolean fixClimbingBypassingCrammingRule = false;
     public boolean milkCuresBadOmen = true;
+    public String playerDeathExpDropEquation = "expLevel * 7";
+    public int playerDeathExpDropMax = 100;
     public boolean playerSleepOnlyWithCondition = false;
     public String playerSleepCondition = "time >= 12541 && time <= 23458";
     public boolean useBetterMending = false;
@@ -181,6 +183,8 @@ public class PurpurWorldConfig {
         disableDropsOnCrammingDeath = getBoolean("gameplay-mechanics.disable-drops-on-cramming-death", disableDropsOnCrammingDeath);
         fixClimbingBypassingCrammingRule = getBoolean("gameplay-mechanics.fix-climbing-bypassing-cramming-rule", fixClimbingBypassingCrammingRule);
         milkCuresBadOmen = getBoolean("gameplay-mechanics.milk-cures-bad-omen", milkCuresBadOmen);
+        playerDeathExpDropEquation = getString("gameplay-mechanics.player.exp-dropped-on-death.equation", playerDeathExpDropEquation);
+        playerDeathExpDropMax = getInt("gameplay-mechanics.player.exp-dropped-on-death.maximum", playerDeathExpDropMax);
         playerSleepOnlyWithCondition = getBoolean("gameplay-mechanics.player.sleep.only-with-condition", playerSleepOnlyWithCondition);
         playerSleepCondition = getString("gameplay-mechanics.player.sleep.condition", playerSleepCondition);
         useBetterMending = getBoolean("gameplay-mechanics.use-better-mending", useBetterMending);
-- 
2.24.0