Add Compact Machines tweak to properly control mob spawn checks

README.md

@@ -310,6 +310,7 @@ All changes are toggleable via config files.
     * **Memory Leak Fix:** Fixes memory leak when unloading worlds/switching dimensions
 * **Compact Machines**
     * **Invisible Wall Render Fix:** Fixes some compact machine walls being invisible if [Nothirium](https://www.curseforge.com/minecraft/mc-mods/nothirium) 0.2.x (and up) or [Vintagium](https://github.com/Asek3/sodium-1.12) is installed
+    * **Allowed Spawns Improvement:** Improves server performance by properly controlling spawn checks (effectiveness depends on CM's config)
 * **Effortless Building**
     * **Block Transmutation Fix:** Fixes Effortless Building ignoring Metadata when checking for items in inventory
 * **Elementary Staffs**

src/main/java/mod/acgaming/universaltweaks/config/UTConfigMods.java

@@ -399,6 +399,16 @@ public static class CompactMachinesCoreCategory
         @Config.Name("Invisible Wall Render Fix")
         @Config.Comment("Fixes some compact machine walls being invisible if Nothirium 0.2.x (and up) or Vintagium is installed")
         public boolean utCMRenderFixToggle = true;
+
+        @Config.RequiresMcRestart
+        @Config.Name("Allowed Spawns Improvement")
+        @Config.Comment
+            ({
+                "Improves server performance by properly controlling spawn checks (effectiveness depends on CM's config)",
+                "Disable both 'allowHostileSpawns' and 'allowPeacefulSpawns' in the CM config for best performance",
+                "Does nothing if both config values are true"
+            })
+        public boolean utAllowedSpawnsImprovementToggle = true;
     }
 
     public static class EffortlessBuildingCategory

src/main/java/mod/acgaming/universaltweaks/core/UTMixinLoader.java

@@ -19,7 +19,7 @@ public class UTMixinLoader implements ILateMixinLoader
     {
         {
             put("mixins.mods.cbmultipart.client.json", () -> loaded("forgemultipartcbe") && UTConfigMods.CB_MULTIPART.utMemoryLeakFixToggle);
-            put("mixins.mods.compactmachines.json", () -> loaded("compactmachines3") && UTConfigMods.COMPACT_MACHINES.utCMRenderFixToggle);
+            put("mixins.mods.compactmachines.render.json", () -> loaded("compactmachines3") && UTConfigMods.COMPACT_MACHINES.utCMRenderFixToggle);
             put("mixins.mods.crafttweaker.json", () -> loaded("crafttweaker"));
             put("mixins.mods.hwyla.json", () -> loaded("waila"));
             put("mixins.mods.modularrouters.json", () -> loaded("modularrouters") && UTConfigMods.MODULAR_ROUTERS.utParticleThreadToggle);
@@ -51,6 +51,7 @@ public class UTMixinLoader implements ILateMixinLoader
             put("mixins.mods.codechickenlib.json", () -> loaded("codechickenlib") && UTConfigMods.CCL.utPacketLeakFixToggle);
             put("mixins.mods.cofhcore.json", () -> loaded("cofhcore"));
             put("mixins.mods.collective.json", () -> loaded("collective"));
+            put("mixins.mods.compactmachines.spawns.json", () -> loaded("compactmachines3") && UTConfigMods.COMPACT_MACHINES.utAllowedSpawnsImprovementToggle);
             put("mixins.mods.cqrepoured.json", () -> loaded("cqrepoured"));
             put("mixins.mods.effortlessbuilding.json", () -> loaded("effortlessbuilding"));
             put("mixins.mods.elementarystaffs.json", () -> loaded("element"));

src/main/java/mod/acgaming/universaltweaks/mods/compactmachines/mixin/UTCubeToolsMixin.java → src/main/java/mod/acgaming/universaltweaks/mods/compactmachines/render/mixin/UTCubeToolsMixin.java

@@ -1,4 +1,4 @@
-package mod.acgaming.universaltweaks.mods.compactmachines.mixin;
+package mod.acgaming.universaltweaks.mods.compactmachines.render.mixin;
 
 import net.minecraft.util.EnumFacing;
 import net.minecraft.util.math.BlockPos;

src/main/java/mod/acgaming/universaltweaks/mods/compactmachines/spawns/mixin/UTChunkGeneratorMachinesMixin.java

@@ -0,0 +1,41 @@
+package mod.acgaming.universaltweaks.mods.compactmachines.spawns.mixin;
+
+import java.util.Collections;
+import java.util.List;
+
+import net.minecraft.entity.EnumCreatureType;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
+import net.minecraft.world.biome.Biome;
+
+import org.dave.compactmachines3.misc.ConfigurationHandler;
+import org.dave.compactmachines3.world.ChunkGeneratorMachines;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Overwrite;
+import org.spongepowered.asm.mixin.Shadow;
+
+// Courtesy of jchung01
+@Mixin(value = ChunkGeneratorMachines.class)
+public class UTChunkGeneratorMachinesMixin
+{
+    @Shadow(remap = false)
+    @Final
+    private World world;
+
+    /**
+     * Another spot the CM config should control spawns; here for redundancy.
+     * @reason Control mob spawn based on type
+     * @author jchung01
+     */
+    @Overwrite
+    public List<Biome.SpawnListEntry> getPossibleCreatures(EnumCreatureType creatureType, BlockPos pos)
+    {
+        if ((creatureType.getPeacefulCreature() && ConfigurationHandler.MachineSettings.allowPeacefulSpawns) ||
+            (!creatureType.getPeacefulCreature() && ConfigurationHandler.MachineSettings.allowHostileSpawns))
+        {
+            return this.world.getBiome(pos).getSpawnableList(creatureType);
+        }
+        else return Collections.emptyList();
+    }
+}

src/main/java/mod/acgaming/universaltweaks/mods/compactmachines/spawns/mixin/UTWorldProviderMachinesMixin.java

@@ -0,0 +1,22 @@
+package mod.acgaming.universaltweaks.mods.compactmachines.spawns.mixin;
+
+import net.minecraft.world.WorldProvider;
+
+import org.dave.compactmachines3.misc.ConfigurationHandler;
+import org.dave.compactmachines3.world.WorldProviderMachines;
+import org.spongepowered.asm.mixin.Mixin;
+
+// Courtesy of jchung01
+@Mixin(value = WorldProviderMachines.class)
+public abstract class UTWorldProviderMachinesMixin extends WorldProvider
+{
+    /**
+     * Let CM config set allowed spawns when the dim loads.
+     * This helps server performance especially when both hostile and peaceful spawns are disabled.
+     */
+    @Override
+    public void setAllowedSpawnTypes(boolean allowHostile, boolean allowPeaceful)
+    {
+        super.setAllowedSpawnTypes(ConfigurationHandler.MachineSettings.allowHostileSpawns, ConfigurationHandler.MachineSettings.allowPeacefulSpawns);
+    }
+}

src/main/java/mod/acgaming/universaltweaks/util/compat/UTObsoleteModsHandler.java

@@ -27,6 +27,7 @@ public class UTObsoleteModsHandler
             put("bannerpatch", () -> UTConfigBugfixes.BLOCKS.utBannerBoundingBoxToggle);
             put("bedbreakbegone", () -> UTConfigTweaks.BLOCKS.utBedObstructionToggle);
             put("bedfix", () -> UTConfigTweaks.ENTITIES.SLEEPING.utSleepingTime != -1);
+            put("bedpatch", () -> true); // Fix integrated in Forge 14.23.2.2643 (#4784)
             put("bedsaynosleep", () -> UTConfigTweaks.ENTITIES.SLEEPING.utDisableSleepingToggle);
             put("betterburning", () -> UTConfigTweaks.ENTITIES.BETTER_BURNING.utBBArrowsToggle || UTConfigTweaks.ENTITIES.BETTER_BURNING.utBBCookedToggle || UTConfigTweaks.ENTITIES.BETTER_BURNING.utBBExtinguishToggle || UTConfigTweaks.ENTITIES.BETTER_BURNING.utBBOverlayToggle || UTConfigTweaks.ENTITIES.BETTER_BURNING.utBBSpreadingToggle);
             put("betterpingdisplay", () -> UTConfigTweaks.MISC.utBetterPing);
@@ -158,7 +159,7 @@ public static List<String> obsoleteModsMessage()
         }
 
         // Mods checked by class
-        if (UTReflectionUtil.isClassLoaded("com.chocohead.biab.BornInABarn")) messages.add("Born in a Barn");
+        if (UTReflectionUtil.isClassLoaded("com.chocohead.biab.BornInABarn")) messages.add("Born in a Barn"); // Fix integrated in Forge 14.23.2.2623 (#4689)
         if (UTReflectionUtil.isClassLoaded("io.github.jikuja.LocaleTweaker") && UTConfigBugfixes.MISC.utLocaleToggle) messages.add("LocaleFixer");
         if (UTReflectionUtil.isClassLoaded("com.cleanroommc.blockdelayremover.BlockDelayRemoverCore") && UTConfigTweaks.BLOCKS.utBlockHitDelay != 5) messages.add("Block Delay Remover");
         if (UTReflectionUtil.isClassLoaded("io.github.barteks2x.chunkgenlimiter.ChunkGenLimitMod") && UTConfigTweaks.WORLD.CHUNK_GEN_LIMIT.utChunkGenLimitToggle) messages.add("Chunk Generation Limiter");

src/main/resources/mixins.mods.compactmachines.json → src/main/resources/mixins.mods.compactmachines.render.json

@@ -1,7 +1,7 @@
 {
-  "package": "mod.acgaming.universaltweaks.mods.compactmachines.mixin",
+  "package": "mod.acgaming.universaltweaks.mods.compactmachines.render.mixin",
   "refmap": "universaltweaks.refmap.json",
   "minVersion": "0.8",
   "compatibilityLevel": "JAVA_8",
-  "mixins": ["UTCubeToolsMixin"]
+  "client": ["UTCubeToolsMixin"]
 }

src/main/resources/mixins.mods.compactmachines.spawns.json

@@ -0,0 +1,7 @@
+{
+  "package": "mod.acgaming.universaltweaks.mods.compactmachines.spawns.mixin",
+  "refmap": "universaltweaks.refmap.json",
+  "minVersion": "0.8",
+  "compatibilityLevel": "JAVA_8",
+  "mixins": ["UTChunkGeneratorMachinesMixin", "UTWorldProviderMachinesMixin"]
+}