Paper/Spigot-Server-Patches/0419-Pillager-patrol-spawn-settings-and-per-player-option.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Phoenix616 <mail@moep.tv>
Date: Sat, 1 Feb 2020 16:50:39 +0100
Subject: [PATCH] Pillager patrol spawn settings and per player options

This adds config options for defining the spawn chance, spawn delay and
spawn start day as well as toggles for handling the spawn delay and
start day per player. (Based on the time played statistic)
When not per player it will use the Vanilla mechanic of one delay per
world and the world age for the start day.

diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index 525d702d78a609af987ebd2c32169b873e5c05ed..6c8e9d498c9a30a1aa88494ba09c3cae012a8fa1 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -582,10 +582,21 @@ public class PaperWorldConfig {
     }
 
     public boolean disablePillagerPatrols = false;
+    public double patrolSpawnChance = 0.2;
+    public boolean patrolPerPlayerDelay = false;
+    public int patrolDelay = 12000;
+    public boolean patrolPerPlayerStart = false;
+    public int patrolStartDay = 5;
     private void pillagerSettings() {
         disablePillagerPatrols = getBoolean("game-mechanics.disable-pillager-patrols", disablePillagerPatrols);
+        patrolSpawnChance = getDouble("game-mechanics.pillager-patrols.spawn-chance", patrolSpawnChance);
+        patrolPerPlayerDelay = getBoolean("game-mechanics.pillager-patrols.spawn-delay.per-player", patrolPerPlayerDelay);
+        patrolDelay = getInt("game-mechanics.pillager-patrols.spawn-delay.ticks", patrolDelay);
+        patrolPerPlayerStart = getBoolean("game-mechanics.pillager-patrols.start.per-player", patrolPerPlayerStart);
+        patrolStartDay = getInt("game-mechanics.pillager-patrols.start.day", patrolStartDay);
     }
 
+
     public boolean entitiesTargetWithFollowRange = false;
     private void entitiesTargetWithFollowRange() {
         entitiesTargetWithFollowRange = getBoolean("entities-target-with-follow-range", entitiesTargetWithFollowRange);
diff --git a/src/main/java/net/minecraft/server/level/EntityPlayer.java b/src/main/java/net/minecraft/server/level/EntityPlayer.java
index 3b3c0b32f4f7b3d97ffc63cc5a9878f96a32712e..84b0f40edaff726e63f16611b364a692b332ae2b 100644
--- a/src/main/java/net/minecraft/server/level/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/level/EntityPlayer.java
@@ -215,6 +215,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
     public boolean viewingCredits;
     private int containerUpdateDelay; // Paper
     public long loginTime; // Paper
+    public int patrolSpawnDelay; // Paper - per player patrol spawns
     // Paper start - cancellable death event
     public boolean queueHealthUpdatePacket = false;
     public net.minecraft.network.protocol.game.PacketPlayOutUpdateHealth queuedHealthUpdatePacket;
diff --git a/src/main/java/net/minecraft/stats/StatisticWrapper.java b/src/main/java/net/minecraft/stats/StatisticWrapper.java
index c1a694c4a773a41cdefca6b154711f7fc0a7fcaa..00d79ccf9c65acadc030ab1796cff4598392cb6a 100644
--- a/src/main/java/net/minecraft/stats/StatisticWrapper.java
+++ b/src/main/java/net/minecraft/stats/StatisticWrapper.java
@@ -28,6 +28,7 @@ public class StatisticWrapper<T> implements Iterable<Statistic<T>> {
         return this.b.values().iterator();
     }
 
+    public final Statistic<T> get(T t) { return this.b(t); }; // Paper - OBFHELPER
     public Statistic<T> b(T t0) {
         return this.a(t0, Counter.DEFAULT);
     }
diff --git a/src/main/java/net/minecraft/world/level/levelgen/MobSpawnerPatrol.java b/src/main/java/net/minecraft/world/level/levelgen/MobSpawnerPatrol.java
index cba98adb7f2711fb97c7e4120d962f46a59682e7..111c4c1fad2f1839a8c6b7c277cf801236ae1685 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/MobSpawnerPatrol.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/MobSpawnerPatrol.java
@@ -3,7 +3,9 @@ package net.minecraft.world.level.levelgen;
 import java.util.Random;
 import net.minecraft.core.BlockPosition;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.server.level.EntityPlayer;
 import net.minecraft.server.level.WorldServer;
+import net.minecraft.stats.StatisticList;
 import net.minecraft.world.entity.EntityTypes;
 import net.minecraft.world.entity.EnumMobSpawn;
 import net.minecraft.world.entity.GroupDataEntity;
@@ -20,13 +22,13 @@ import net.minecraft.world.level.block.state.IBlockData;
 
 public class MobSpawnerPatrol implements MobSpawner {
 
-    private int a;
+    private int a;private int getSpawnDelay() { return a; } private void setSpawnDelay(int spawnDelay) { this.a = spawnDelay; } // Paper - OBFHELPER
 
     public MobSpawnerPatrol() {}
 
     @Override
     public int a(WorldServer worldserver, boolean flag, boolean flag1) {
-        if (worldserver.paperConfig.disablePillagerPatrols) return 0; // Paper
+        if (worldserver.paperConfig.disablePillagerPatrols || worldserver.paperConfig.patrolSpawnChance == 0) return 0; // Paper
         if (!flag) {
             return 0;
         } else if (!worldserver.getGameRules().getBoolean(GameRules.DO_PATROL_SPAWNING)) {
@@ -34,23 +36,51 @@ public class MobSpawnerPatrol implements MobSpawner {
         } else {
             Random random = worldserver.random;
 
-            --this.a;
-            if (this.a > 0) {
+            // Paper start - Patrol settings
+            // Random player selection moved up for per player spawning and configuration
+            int j = worldserver.getPlayers().size();
+            if (j < 1) {
                 return 0;
+            }
+
+            EntityPlayer entityhuman = worldserver.getPlayers().get(random.nextInt(j));
+            if (entityhuman.isSpectator()) {
+                return 0;
+            }
+
+            int patrolSpawnDelay;
+            if (worldserver.paperConfig.patrolPerPlayerDelay) {
+                --entityhuman.patrolSpawnDelay;
+                patrolSpawnDelay = entityhuman.patrolSpawnDelay;
             } else {
-                this.a += 12000 + random.nextInt(1200);
-                long i = worldserver.getDayTime() / 24000L;
+                setSpawnDelay(getSpawnDelay() - 1);
+                patrolSpawnDelay = getSpawnDelay();
+            }
+
+            if (patrolSpawnDelay > 0) {
+                return 0;
+            } else {
+                long days;
+                if (worldserver.paperConfig.patrolPerPlayerStart) {
+                    days = entityhuman.getStatisticManager().getStatisticValue(StatisticList.CUSTOM.get(StatisticList.PLAY_ONE_MINUTE)) / 24000L; // PLAY_ONE_MINUTE is actually counting in ticks, a misnomer by Mojang
+                } else {
+                    days = worldserver.getDayTime() / 24000L;
+                }
+                if (worldserver.paperConfig.patrolPerPlayerDelay) {
+                    entityhuman.patrolSpawnDelay += worldserver.paperConfig.patrolDelay + random.nextInt(1200);
+                } else {
+                    setSpawnDelay(getSpawnDelay() + worldserver.paperConfig.patrolDelay + random.nextInt(1200));
+                }
 
-                if (i >= 5L && worldserver.isDay()) {
-                    if (random.nextInt(5) != 0) {
+                if (days >= worldserver.paperConfig.patrolStartDay && worldserver.isDay()) {
+                    if (random.nextDouble() >= worldserver.paperConfig.patrolSpawnChance) {
+                        // Paper end
                         return 0;
                     } else {
-                        int j = worldserver.getPlayers().size();
 
                         if (j < 1) {
                             return 0;
                         } else {
-                            EntityHuman entityhuman = (EntityHuman) worldserver.getPlayers().get(random.nextInt(j));
 
                             if (entityhuman.isSpectator()) {
                                 return 0;