Paper/patches/server/0386-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 c3f2cdedf7b9c2ff9e33b823cb20890cba0ded8a..8f1dcdb3b1beddb5698f596c048869d99e1f4437 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -430,10 +430,21 @@ 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/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index ec7804e80f9c6b0fc53eb67823c6325a685c850b..9e6d6db0782751895afe345b4d6f586389ec2392 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -214,6 +214,7 @@ public class ServerPlayer extends Player {
     public boolean wonGame;
     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.ClientboundSetHealthPacket queuedHealthUpdatePacket;
diff --git a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
index 744b58d59a5f34ed3bd6f2d4a0f876acfa6a7135..d75a04e7a70b7fb2527fdd7d1a45a101d064824f 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
@@ -4,11 +4,12 @@ import java.util.Random;
 import net.minecraft.core.BlockPos;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.server.level.ServerLevel;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.stats.Stats;
 import net.minecraft.world.entity.EntityType;
 import net.minecraft.world.entity.MobSpawnType;
 import net.minecraft.world.entity.SpawnGroupData;
 import net.minecraft.world.entity.monster.PatrollingMonster;
-import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.level.BlockGetter;
 import net.minecraft.world.level.CustomSpawner;
 import net.minecraft.world.level.GameRules;
@@ -20,13 +21,13 @@ import net.minecraft.world.level.block.state.BlockState;
 
 public class PatrolSpawner implements CustomSpawner {
 
-    private int nextTick;
+    private int nextTick;private int getSpawnDelay() { return nextTick; } private void setSpawnDelay(int spawnDelay) { this.nextTick = spawnDelay; } // Paper - OBFHELPER
 
     public PatrolSpawner() {}
 
     @Override
     public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
-        if (world.paperConfig.disablePillagerPatrols) return 0; // Paper
+        if (world.paperConfig.disablePillagerPatrols || world.paperConfig.patrolSpawnChance == 0) return 0; // Paper
         if (!spawnMonsters) {
             return 0;
         } else if (!world.getGameRules().getBoolean(GameRules.RULE_DO_PATROL_SPAWNING)) {
@@ -34,23 +35,51 @@ public class PatrolSpawner implements CustomSpawner {
         } else {
             Random random = world.random;
 
-            --this.nextTick;
-            if (this.nextTick > 0) {
+            // Paper start - Patrol settings
+            // Random player selection moved up for per player spawning and configuration
+            int j = world.players().size();
+            if (j < 1) {
                 return 0;
+            }
+
+            ServerPlayer entityhuman = world.players().get(random.nextInt(j));
+            if (entityhuman.isSpectator()) {
+                return 0;
+            }
+
+            int patrolSpawnDelay;
+            if (world.paperConfig.patrolPerPlayerDelay) {
+                --entityhuman.patrolSpawnDelay;
+                patrolSpawnDelay = entityhuman.patrolSpawnDelay;
             } else {
-                this.nextTick += 12000 + random.nextInt(1200);
-                long i = world.getDayTime() / 24000L;
+                setSpawnDelay(getSpawnDelay() - 1);
+                patrolSpawnDelay = getSpawnDelay();
+            }
+
+            if (patrolSpawnDelay > 0) {
+                return 0;
+            } else {
+                long days;
+                if (world.paperConfig.patrolPerPlayerStart) {
+                    days = entityhuman.getStats().getValue(Stats.CUSTOM.get(Stats.PLAY_TIME)) / 24000L; // PLAY_ONE_MINUTE is actually counting in ticks, a misnomer by Mojang
+                } else {
+                    days = world.getDayTime() / 24000L;
+                }
+                if (world.paperConfig.patrolPerPlayerDelay) {
+                    entityhuman.patrolSpawnDelay += world.paperConfig.patrolDelay + random.nextInt(1200);
+                } else {
+                    setSpawnDelay(getSpawnDelay() + world.paperConfig.patrolDelay + random.nextInt(1200));
+                }
 
-                if (i >= 5L && world.isDay()) {
-                    if (random.nextInt(5) != 0) {
+                if (days >= world.paperConfig.patrolStartDay && world.isDay()) {
+                    if (random.nextDouble() >= world.paperConfig.patrolSpawnChance) {
+                        // Paper end
                         return 0;
                     } else {
-                        int j = world.players().size();
 
                         if (j < 1) {
                             return 0;
                         } else {
-                            Player entityhuman = (Player) world.players().get(random.nextInt(j));
 
                             if (entityhuman.isSpectator()) {
                                 return 0;