LeavesMC/patches/server/0038-MC-Technical-Survival-Mode.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: violetc <58360096+s-yh-china@users.noreply.github.com>
Date: Thu, 19 Jan 2023 23:38:50 +0800
Subject: [PATCH] MC Technical Survival Mode

Will automatically overwrite some configuration after startup

diff --git a/src/main/java/io/papermc/paper/configuration/PaperConfigurations.java b/src/main/java/io/papermc/paper/configuration/PaperConfigurations.java
index c5644d8d64f12073e39bc6ed79c8714f4560ff89..e2e5fdf539f69629d13e50ab08b3fc38474e3384 100644
--- a/src/main/java/io/papermc/paper/configuration/PaperConfigurations.java
+++ b/src/main/java/io/papermc/paper/configuration/PaperConfigurations.java
@@ -321,6 +321,7 @@ public class PaperConfigurations extends Configurations<GlobalConfiguration, Wor
             for (ServerLevel level : server.getAllLevels()) {
                 this.createWorldConfig(createWorldContextMap(level), reloader(this.worldConfigClass, level.paperConfig()));
             }
+            org.leavesmc.leaves.util.McTechnicalModeHelper.doMcTechnicalModeIf(); // Leaves - mc technical survival mode
         } catch (Exception ex) {
             throw new RuntimeException("Could not reload paper configuration files", ex);
         }
diff --git a/src/main/java/net/minecraft/server/level/ServerPlayer.java b/src/main/java/net/minecraft/server/level/ServerPlayer.java
index d02f0123a830c77056e978bbef8d454d110d0589..5e64ae27854a06d90c51682d905866f9fe667a36 100644
--- a/src/main/java/net/minecraft/server/level/ServerPlayer.java
+++ b/src/main/java/net/minecraft/server/level/ServerPlayer.java
@@ -1901,7 +1901,7 @@ public class ServerPlayer extends net.minecraft.world.entity.player.Player imple
 
     @Override
     public boolean isInvulnerableTo(ServerLevel world, DamageSource source) {
-        return super.isInvulnerableTo(world, source) || (this.isChangingDimension() && !source.is(DamageTypes.ENDER_PEARL)) || (!this.level().paperConfig().collisions.allowPlayerCrammingDamage && source.is(DamageTypes.CRAMMING)); // Paper - disable player cramming;
+        return super.isInvulnerableTo(world, source) || (this.isChangingDimension() && !source.is(DamageTypes.ENDER_PEARL)) || (!org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode && !this.level().paperConfig().collisions.allowPlayerCrammingDamage && source.is(DamageTypes.CRAMMING)); // Paper - disable player cramming; // Leaves - mc technical survival mode
     }
 
     @Override
diff --git a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java
index 7cb3d69a69e0e3ef4b7f9f9c8b1eb67edb5d116d..f3350eb5a866f2890dbe0fb6e46cda090c6ab8f2 100644
--- a/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java
+++ b/src/main/java/net/minecraft/world/entity/boss/enderdragon/EndCrystal.java
@@ -70,7 +70,7 @@ public class EndCrystal extends Entity {
                 // CraftBukkit end
             }
             // Paper start - Fix invulnerable end crystals
-            if (this.level().paperConfig().unsupportedSettings.fixInvulnerableEndCrystalExploit && this.generatedByDragonFight && this.isInvulnerable()) {
+            if (!org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode && this.level().paperConfig().unsupportedSettings.fixInvulnerableEndCrystalExploit && this.generatedByDragonFight && this.isInvulnerable()) { // Leaves - mc technical survival mode
                 if (!java.util.Objects.equals(((ServerLevel) this.level()).uuid, this.getOriginWorld())
                     || ((ServerLevel) this.level()).getDragonFight() == null
                     || ((ServerLevel) this.level()).getDragonFight().respawnStage == null
diff --git a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
index de87483600e55d88176fe25db621bbd3e464729f..34b9384c0f852d28dc8b834a40785ede74b33cfd 100644
--- a/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
+++ b/src/main/java/net/minecraft/world/entity/item/PrimedTnt.java
@@ -101,7 +101,7 @@ public class PrimedTnt extends Entity implements TraceableEntity {
 
     @Override
     public void tick() {
-        if (this.level().spigotConfig.maxTntTicksPerTick > 0 && ++this.level().spigotConfig.currentPrimedTnt > this.level().spigotConfig.maxTntTicksPerTick) { return; } // Spigot
+        if (this.level().spigotConfig.maxTntTicksPerTick > 0 && ++this.level().spigotConfig.currentPrimedTnt > (org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode ? 2000 : this.level().spigotConfig.maxTntTicksPerTick)) { return; } // Spigot // Leaves - mc technical survival mode
         this.handlePortal();
         this.applyGravity();
         this.move(MoverType.SELF, this.getDeltaMovement());
diff --git a/src/main/java/net/minecraft/world/level/NaturalSpawner.java b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
index c1b76a1ebc1eea7ab70cf61d8175a31794dd122a..f817fd922ffcf857e8a5fc803b10421f640a8cd1 100644
--- a/src/main/java/net/minecraft/world/level/NaturalSpawner.java
+++ b/src/main/java/net/minecraft/world/level/NaturalSpawner.java
@@ -94,7 +94,7 @@ public final class NaturalSpawner {
 
             if (enumcreaturetype != MobCategory.MISC) {
                 // Paper start - Only count natural spawns
-                if (!entity.level().paperConfig().entities.spawning.countAllMobsForSpawning &&
+                if (!org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode && !entity.level().paperConfig().entities.spawning.countAllMobsForSpawning && // Leaves - mc technical survival mode
                     !(entity.spawnReason == org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.NATURAL ||
                         entity.spawnReason == org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.CHUNK_GEN)) {
                     continue;
diff --git a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
index ad5a971a4de217aa93601db8364f2cad1aab4c38..7280d2216dcbe09278a2447eb994c4bd2aa98576 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/HopperBlockEntity.java
@@ -295,7 +295,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
                 origItemStack.setCount(originalItemCount);
             }
         }
-        if (foundItem && level.paperConfig().hopper.cooldownWhenFull) { // Inventory was full - cooldown
+        if (foundItem && level.paperConfig().hopper.cooldownWhenFull && !org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode) { // Inventory was full - cooldown // Leaves
             hopper.setCooldown(level.spigotConfig.hopperTransfer);
         }
         return false;
@@ -336,7 +336,7 @@ public class HopperBlockEntity extends RandomizableContainerBlockEntity implemen
         }
         origItemStack.setCount(originalItemCount);
 
-        if (level.paperConfig().hopper.cooldownWhenFull) {
+        if (level.paperConfig().hopper.cooldownWhenFull && !org.leavesmc.leaves.LeavesConfig.modify.mcTechnicalMode) { // Leaves
             cooldownHopper(hopper);
         }
 
diff --git a/src/main/java/org/leavesmc/leaves/util/McTechnicalModeHelper.java b/src/main/java/org/leavesmc/leaves/util/McTechnicalModeHelper.java
new file mode 100644
index 0000000000000000000000000000000000000000..0d8e5bf5f37357f2ed619e5574a8ce01589fe63e
--- /dev/null
+++ b/src/main/java/org/leavesmc/leaves/util/McTechnicalModeHelper.java
@@ -0,0 +1,27 @@
+package org.leavesmc.leaves.util;
+
+import io.papermc.paper.configuration.GlobalConfiguration;
+import org.leavesmc.leaves.LeavesConfig;
+
+import java.util.Map;
+
+public class McTechnicalModeHelper {
+
+    public static void doMcTechnicalModeIf() {
+        if (LeavesConfig.modify.mcTechnicalMode) {
+            doMcTechnicalMode();
+        }
+    }
+
+    public static void doMcTechnicalMode() {
+        GlobalConfiguration.get().unsupportedSettings.allowPistonDuplication = true;
+        GlobalConfiguration.get().unsupportedSettings.allowHeadlessPistons = true;
+        GlobalConfiguration.get().unsupportedSettings.allowPermanentBlockBreakExploits = true;
+        GlobalConfiguration.get().unsupportedSettings.allowUnsafeEndPortalTeleportation = true;
+        GlobalConfiguration.get().packetLimiter.allPackets = new GlobalConfiguration.PacketLimiter.PacketLimit(GlobalConfiguration.get().packetLimiter.allPackets.interval(),
+            5000.0, GlobalConfiguration.get().packetLimiter.allPackets.action());
+        GlobalConfiguration.get().packetLimiter.overrides = Map.of();
+        GlobalConfiguration.get().itemValidation.resolveSelectorsInBooks = true;
+        GlobalConfiguration.get().scoreboards.saveEmptyScoreboardTeams = true;
+    }
+}