PaperMC/Spigot-Server-Patches/0450-Pillager-patrol-spawn-settings-and-per-player-option.patch

From 86f414d0e872878eb09a240b516ccf652040d8d7 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 e93176d8f2..659a011e97 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -641,10 +641,21 @@ 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/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 43774bc9a5..e353d93365 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -77,6 +77,7 @@ 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.server.PacketPlayOutUpdateHealth queuedHealthUpdatePacket;
diff --git a/src/main/java/net/minecraft/server/MobSpawnerPatrol.java b/src/main/java/net/minecraft/server/MobSpawnerPatrol.java
index a0f5828076..edca6d3abd 100644
--- a/src/main/java/net/minecraft/server/MobSpawnerPatrol.java
+++ b/src/main/java/net/minecraft/server/MobSpawnerPatrol.java
@@ -4,12 +4,14 @@ import java.util.Random;
 
 public class MobSpawnerPatrol {
 
+    private int getSpawnDelay() { return a; } // Paper - OBFHELPER
+    private void setSpawnDelay(int spawnDelay) { this.a = spawnDelay; } // Paper - OBFHELPER
     private int a;
 
     public MobSpawnerPatrol() {}
 
     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)) {
@@ -17,23 +19,51 @@ public class MobSpawnerPatrol {
         } 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;
diff --git a/src/main/java/net/minecraft/server/StatisticWrapper.java b/src/main/java/net/minecraft/server/StatisticWrapper.java
index 3b6034038a..9c95c0ccfc 100644
--- a/src/main/java/net/minecraft/server/StatisticWrapper.java
+++ b/src/main/java/net/minecraft/server/StatisticWrapper.java
@@ -27,6 +27,7 @@ public class StatisticWrapper<T> implements Iterable<Statistic<T>> {
         return this.b.values().iterator();
     }
 
+    public Statistic<T> get(T t) { return this.b(t); }; // Paper - OBFHELPER
     public Statistic<T> b(T t0) {
         return this.a(t0, Counter.DEFAULT);
     }
-- 
2.25.1