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 099a9aa7e64da22e720fa527cac8750991ee8562..ea8279637a2af4d18c9decbf3342b058edeffd73 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -297,6 +297,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.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 8837db46ced2412942949a3c6f81ec7d9a0bacda..e93ef232b0426a1095dad05fc4acb2a74db5b689 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;