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 a8f51ab23b46287f6066c421271f4c0fcfe04c3a..2d1c3d222cfced339fb098b09c3c84e0c0805255 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -241,6 +241,7 @@ 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 e5918fa3be107ac3a2fc8831fd78733a7506730a..a908652f1ebb426d265ef614746f70cd1e538268 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/PatrolSpawner.java
@@ -25,7 +25,7 @@ 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
+        if (world.paperConfig().entities.behavior.pillagerPatrols.disable || world.paperConfig().entities.behavior.pillagerPatrols.spawnChance == 0) return 0; // Paper
         if (!spawnMonsters) {
             return 0;
         } else if (!world.getGameRules().getBoolean(GameRules.RULE_DO_PATROL_SPAWNING)) {
@@ -33,23 +33,51 @@ public class PatrolSpawner implements CustomSpawner {
         } else {
             RandomSource randomsource = 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;
+            }
+
+            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
                         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;