From d79a8973ef332fb7f6a030389719d029205d06e1 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 30 Nov 2019 03:30:17 -0600
Subject: [PATCH] Add sleep options

---
 .../net/minecraft/server/EntityHuman.java     | 19 +++++++++++++++++--
 .../net/pl3x/purpur/PurpurWorldConfig.java    |  4 ++++
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 9d26bd1e4c..c99a338082 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -143,6 +143,21 @@ public abstract class EntityHuman extends EntityLiving {
         this.datawatcher.register(EntityHuman.bt, new NBTTagCompound());
     }
 
+    // Purpur start
+    private javax.script.ScriptEngine scriptEngine = new javax.script.ScriptEngineManager().getEngineByName("rhino");
+
+    private boolean unableToSleepRightNow() {
+        if (world.purpurConfig.playerSleepOnlyWithCondition) {
+            try {
+                scriptEngine.eval("time = " + world.getDayTime());
+                return !(Boolean) scriptEngine.eval(world.purpurConfig.playerSleepCondition);
+            } catch (Exception ignore) {
+            }
+        }
+        return world.isDay();
+    }
+    // Purpur end
+
     @Override
     public void tick() {
         this.noclip = this.isSpectator();
@@ -160,7 +175,7 @@ public abstract class EntityHuman extends EntityLiving {
                 this.sleepTicks = 100;
             }
 
-            if (!this.world.isClientSide && this.world.isDay()) {
+            if (!this.world.isClientSide && unableToSleepRightNow()) { // Purpur
                 this.wakeup(false, true);
             }
         } else if (this.sleepTicks > 0) {
@@ -1334,7 +1349,7 @@ public abstract class EntityHuman extends EntityLiving {
                 return Either.left(EntityHuman.EnumBedResult.NOT_POSSIBLE_HERE);
             }
 
-            if (this.world.isDay()) {
+            if (unableToSleepRightNow()) { // Purpur
                 this.setRespawnPosition(blockposition, false, true);
                 return Either.left(EntityHuman.EnumBedResult.NOT_POSSIBLE_NOW);
             }
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index 9e705db0bd..7b59bd638c 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -159,6 +159,8 @@ public class PurpurWorldConfig {
     public boolean disableDropsOnCrammingDeath = false;
     public boolean fixClimbingBypassingCrammingRule = false;
     public boolean milkCuresBadOmen = true;
+    public boolean playerSleepOnlyWithCondition = false;
+    public String playerSleepCondition = "time >= 12541 && time <= 23458";
     public boolean useBetterMending = false;
     private void gameplayMechanicsSettings() {
         armorstandStepHeight = (float) getDouble("gameplay-mechanics.armorstand.step-height", armorstandStepHeight);
@@ -183,6 +185,8 @@ 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);
+        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