From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 10 Oct 2020 14:29:55 -0500
Subject: [PATCH] Configurable daylight cycle


diff --git a/src/main/java/net/minecraft/network/protocol/game/ClientboundSetTimePacket.java b/src/main/java/net/minecraft/network/protocol/game/ClientboundSetTimePacket.java
index 689ad22925b2561f7c8db961743eb1f821dbb25f..fa3c960992cc240161817e54659d83fed259f2fe 100644
--- a/src/main/java/net/minecraft/network/protocol/game/ClientboundSetTimePacket.java
+++ b/src/main/java/net/minecraft/network/protocol/game/ClientboundSetTimePacket.java
@@ -5,7 +5,7 @@ import net.minecraft.network.protocol.Packet;
 
 public class ClientboundSetTimePacket implements Packet<ClientGamePacketListener> {
     private final long gameTime;
-    private final long dayTime;
+    private long dayTime; public void setDayTime(long dayTime) { this.dayTime = dayTime; } // Purpur
 
     public ClientboundSetTimePacket(long time, long timeOfDay, boolean doDaylightCycle) {
         this.gameTime = time % 192000; // Paper - fix guardian beam
diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
index cf3e37ffe33af3711ef18483fb55770cc494c3d2..665a78503661922e98d6b2de380cda107ffd22de 100644
--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
@@ -55,6 +55,7 @@ import net.minecraft.network.protocol.game.ClientboundExplodePacket;
 import net.minecraft.network.protocol.game.ClientboundLevelEventPacket;
 import net.minecraft.network.protocol.game.ClientboundLevelParticlesPacket;
 import net.minecraft.network.protocol.game.ClientboundSetDefaultSpawnPositionPacket;
+import net.minecraft.network.protocol.game.ClientboundSetTimePacket;
 import net.minecraft.network.protocol.game.ClientboundSoundEntityPacket;
 import net.minecraft.network.protocol.game.ClientboundSoundPacket;
 import net.minecraft.network.protocol.game.DebugPackets;
@@ -199,6 +200,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
     final Int2ObjectMap<EnderDragonPart> dragonParts;
     private final StructureFeatureManager structureFeatureManager;
     private final boolean tickTime;
+    private double fakeTime; // Purpur
 
 
     // CraftBukkit start
@@ -408,6 +410,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
         this.getCraftServer().addWorld(this.getWorld()); // CraftBukkit
 
         this.asyncChunkTaskManager = new com.destroystokyo.paper.io.chunk.ChunkTaskManager(this); // Paper
+        this.fakeTime = this.serverLevelData.getDayTime();
     }
 
     // CraftBukkit start
@@ -581,9 +584,20 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
             // CraftBukkit start
             long l = this.levelData.getDayTime() + 24000L;
             TimeSkipEvent event = new TimeSkipEvent(this.getWorld(), TimeSkipEvent.SkipReason.NIGHT_SKIP, (l - l % 24000L) - this.getDayTime());
+            ServerLevel level = this.serverLevelData.world;
             if (this.getGameRules().getBoolean(GameRules.RULE_DAYLIGHT)) {
                 getCraftServer().getPluginManager().callEvent(event);
                 if (!event.isCancelled()) {
+                    double incrementTimeBy = 12000.0D / (double) (level.isDay() ? level.purpurConfig.daytimeTicks : level.purpurConfig.nighttimeTicks);
+                    if (incrementTimeBy != 1.0D) {
+                        this.fakeTime += incrementTimeBy;
+                        this.setDayTime(this.fakeTime);
+                        ClientboundSetTimePacket packet = new ClientboundSetTimePacket(level.getGameTime(), level.getDayTime(), true);
+                        for (ServerPlayer player : level.players) {
+                            packet.setDayTime(player.getPlayerTime());
+                            player.connection.send(packet);
+                        }
+                    } else
                     this.setDayTime(this.getDayTime() + event.getSkipAmount());
                 }
 
@@ -695,6 +709,12 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
 
     public void setDayTime(long timeOfDay) {
         this.serverLevelData.setDayTime(timeOfDay);
+        // Purpur start
+        this.fakeTime = timeOfDay;
+    }
+    public void setDayTime(double i) {
+        this.serverLevelData.setDayTime((long) i);
+        // Purpur end
     }
 
     public void tickCustomSpawners(boolean spawnMonsters, boolean spawnAnimals) {
diff --git a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
index cd689953a4a9967fd507bc9f371d7e62c2ec0af6..c7b664e753c4ef53607f74ac24436ff6c8df32b2 100644
--- a/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
+++ b/src/main/java/net/pl3x/purpur/PurpurWorldConfig.java
@@ -89,6 +89,13 @@ public class PurpurWorldConfig {
         armorstandStepHeight = (float) getDouble("gameplay-mechanics.armorstand.step-height", armorstandStepHeight);
     }
 
+    public int daytimeTicks = 12000;
+    public int nighttimeTicks = 12000;
+    private void daytimeCycleSettings() {
+        daytimeTicks = getInt("gameplay-mechanics.daylight-cycle-ticks.daytime", daytimeTicks);
+        nighttimeTicks = getInt("gameplay-mechanics.daylight-cycle-ticks.nighttime", nighttimeTicks);
+    }
+
     public int elytraDamagePerSecond = 1;
     public double elytraDamageMultiplyBySpeed = 0;
     public boolean elytraIgnoreUnbreaking = false;