[1.20.1] Fixing Epic Fight crash

forge/build.gradle

@@ -102,6 +102,9 @@ dependencies {
     // Mekanism
     modCompileOnly ("curse.maven:mekanism-268560:4644795")
 
+    // Epic Fight Compat
+    modCompileOnly("maven.modrinth:epic-fight:20.9.6")
+
     // Add Kotlin for Forge (3.12.0)
     forgeRuntimeLibrary("maven.modrinth:kotlin-for-forge:${kotlin_version}")
 

forge/src/main/java/org/valkyrienskies/mod/forge/compat/epicfight/FracturedBlockStateInfoProvider.java

@@ -0,0 +1,41 @@
+package org.valkyrienskies.mod.forge.compat.epicfight;
+
+import net.minecraft.core.Registry;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.block.state.BlockState;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.valkyrienskies.core.apigame.world.chunks.BlockType;
+import org.valkyrienskies.mod.common.BlockStateInfo;
+import org.valkyrienskies.mod.common.BlockStateInfoProvider;
+import org.valkyrienskies.mod.common.ValkyrienSkiesMod;
+import yesman.epicfight.main.EpicFightMod;
+import yesman.epicfight.world.level.block.FractureBlockState;
+
+public class FracturedBlockStateInfoProvider implements BlockStateInfoProvider {
+    public static void register() {
+        Registry.register(BlockStateInfo.INSTANCE.getREGISTRY(),
+            new ResourceLocation(EpicFightMod.MODID, "fractured"), new FracturedBlockStateInfoProvider());
+    }
+
+    @Override
+    public int getPriority() {
+        return 101;
+    }
+
+    @Nullable
+    @Override
+    public Double getBlockStateMass(@NotNull BlockState blockState) {
+        if (blockState instanceof FractureBlockState)
+            return 0.0;
+        return null;
+    }
+
+    @Nullable
+    @Override
+    public BlockType getBlockStateType(@NotNull BlockState blockState) {
+        if (blockState instanceof FractureBlockState)
+            return ValkyrienSkiesMod.vsCore.getBlockTypes().getSolid();
+        return null;
+    }
+}

forge/src/main/java/org/valkyrienskies/mod/forge/compat/epicfight/README.md

@@ -0,0 +1,4 @@
+EpicFight Compat Class
+
+- FracturedBlockStateInfoProvider
+  - Epic Fight adds its own custom BlockState called FracturedBlockState that only exists on the Client and cannot be handled by MassDatapackResolver

forge/src/main/kotlin/org/valkyrienskies/mod/forge/common/ValkyrienSkiesModForge.kt

@@ -2,6 +2,7 @@ package org.valkyrienskies.mod.forge.common
 
 import net.minecraft.commands.Commands.CommandSelection.ALL
 import net.minecraft.commands.Commands.CommandSelection.INTEGRATED
+import net.minecraft.core.Registry
 import net.minecraft.core.registries.Registries
 import net.minecraft.resources.ResourceLocation
 import net.minecraft.world.entity.EntityType
@@ -17,10 +18,13 @@ import net.minecraftforge.client.event.RegisterKeyMappingsEvent
 import net.minecraftforge.event.AddReloadListenerEvent
 import net.minecraftforge.event.RegisterCommandsEvent
 import net.minecraftforge.event.TagsUpdatedEvent
+import net.minecraftforge.fml.ModList
 import net.minecraftforge.fml.ModLoadingContext
 import net.minecraftforge.fml.common.Mod
 import net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus
 import net.minecraftforge.fml.event.lifecycle.FMLLoadCompleteEvent
+import net.minecraftforge.fml.javafmlmod.FMLJavaModLoadingContext
+import net.minecraftforge.fml.javafmlmod.FMLModContainer
 import net.minecraftforge.fml.loading.FMLEnvironment
 import net.minecraftforge.registries.DeferredRegister
 import net.minecraftforge.registries.ForgeRegistries
@@ -29,6 +33,7 @@ import org.valkyrienskies.core.apigame.VSCoreFactory
 import org.valkyrienskies.core.impl.config_impl.VSCoreConfig
 import org.valkyrienskies.mod.client.EmptyRenderer
 import org.valkyrienskies.mod.client.VSPhysicsEntityRenderer
+import org.valkyrienskies.mod.common.BlockStateInfo
 import org.valkyrienskies.mod.common.ValkyrienSkiesMod
 import org.valkyrienskies.mod.common.ValkyrienSkiesMod.MOD_ID
 import org.valkyrienskies.mod.common.block.TestChairBlock
@@ -52,6 +57,8 @@ import org.valkyrienskies.mod.common.item.PhysicsEntityCreatorItem
 import org.valkyrienskies.mod.common.item.ShipAssemblerItem
 import org.valkyrienskies.mod.common.item.ShipCreatorItem
 import org.valkyrienskies.mod.compat.clothconfig.VSClothConfig
+import org.valkyrienskies.mod.forge.compat.epicfight.FracturedBlockStateInfoProvider
+import kotlin.reflect.jvm.internal.impl.platform.PlatformUtilKt
 
 @Mod(MOD_ID)
 class ValkyrienSkiesModForge {
@@ -184,6 +191,10 @@ class ValkyrienSkiesModForge {
             ValkyrienSkiesMod.createCreativeTab()
         }
         deferredRegister.register(modBus)
+
+        if (ModList.get().isLoaded("epicfight")) {
+            FracturedBlockStateInfoProvider.register()
+        }
     }
 
     private fun registerResourceManagers(event: AddReloadListenerEvent) {