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/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index 3a24a46fca271e12f8ad5b716ef6ea6621b8801c..553e9bcac962085e38464493650c47ee1636c0e0 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -265,6 +265,7 @@ public class ServerPlayer extends Player {
     public boolean wonGame;
     private int containerUpdateDelay; // Paper - Configurable container update tick rate
     public long loginTime; // Paper - Replace OfflinePlayer#getLastPlayed
+    public int patrolSpawnDelay; // Paper - Pillager patrol spawn settings and per player options
     // Paper start - cancellable death event
     public boolean queueHealthUpdatePacket;
     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 7b5db53d4cf97e41175896de47303526198fb8f6..1741360aa3f2409b1a8ddf1d4602ffe57651a586 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
@@ -24,7 +24,7 @@ public class PatrolSpawner implements CustomSpawner {
 
     @Override
     public int tick(ServerLevel world, boolean spawnMonsters, boolean spawnAnimals) {
-        if (world.paperConfig().entities.behavior.pillagerPatrols.disable) return 0; // Paper - Add option to disable pillager patrols
+        if (world.paperConfig().entities.behavior.pillagerPatrols.disable || world.paperConfig().entities.behavior.pillagerPatrols.spawnChance == 0) return 0; // Paper - Add option to disable pillager patrols & Pillager patrol spawn settings and per player options
         if (!spawnMonsters) {
             return 0;
         } else if (!world.getGameRules().getBoolean(GameRules.RULE_DO_PATROL_SPAWNING)) {
@@ -32,23 +32,51 @@ public class PatrolSpawner implements CustomSpawner {
         } else {
             RandomSource randomsource = world.random;
 
-            --this.nextTick;
-            if (this.nextTick > 0) {
+            // Paper start - Pillager patrol spawn settings and per player options
+            // Random player selection moved up for per player spawning and configuration
+            int j = world.players().size();
+            if (j < 1) {
                 return 0;
+            }
+
+            net.minecraft.server.level.ServerPlayer entityhuman = world.players().get(randomsource.nextInt(j));
+            if (entityhuman.isSpectator()) {
+                return 0;
+            }
+
+            int patrolSpawnDelay;
+            if (world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.perPlayer) {
+                --entityhuman.patrolSpawnDelay;
+                patrolSpawnDelay = entityhuman.patrolSpawnDelay;
             } else {
-                this.nextTick += 12000 + randomsource.nextInt(1200);
-                long i = world.getDayTime() / 24000L;
+                this.nextTick--;
+                patrolSpawnDelay = this.nextTick;
+            }
+
+            if (patrolSpawnDelay > 0) {
+                return 0;
+            } else {
+                long days;
+                if (world.paperConfig().entities.behavior.pillagerPatrols.start.perPlayer) {
+                    days = entityhuman.getStats().getValue(net.minecraft.stats.Stats.CUSTOM.get(net.minecraft.stats.Stats.PLAY_TIME)) / 24000L; // PLAY_ONE_MINUTE is actually counting in ticks, a misnomer by Mojang
+                } else {
+                    days = world.getDayTime() / 24000L;
+                }
+                if (world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.perPlayer) {
+                    entityhuman.patrolSpawnDelay += world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.ticks + randomsource.nextInt(1200);
+                } else {
+                    this.nextTick += world.paperConfig().entities.behavior.pillagerPatrols.spawnDelay.ticks + randomsource.nextInt(1200);
+                }
 
-                if (i >= 5L && world.isDay()) {
-                    if (randomsource.nextInt(5) != 0) {
+                if (days >= world.paperConfig().entities.behavior.pillagerPatrols.start.day && world.isDay()) {
+                    if (randomsource.nextDouble() >= world.paperConfig().entities.behavior.pillagerPatrols.spawnChance) {
+                        // Paper end - Pillager patrol spawn settings and per player options
                         return 0;
                     } else {
-                        int j = world.players().size();
 
                         if (j < 1) {
                             return 0;
                         } else {
-                            Player entityhuman = (Player) world.players().get(randomsource.nextInt(j));
 
                             if (entityhuman.isSpectator()) {
                                 return 0;