feat: make lava fluid destroy certain malignant flesh blocks

src/datagen/java/com/github/elenterius/biomancy/datagen/tags/ModBlockTagsProvider.java

@@ -68,6 +68,16 @@ protected void addTags(HolderLookup.Provider provider) {
 				.add(Blocks.MOSS_BLOCK, Blocks.VINE)
 				.addTag(BlockTags.FLOWERS);
 
+		tag(ModBlockTags.LAVA_DESTRUCTIBLE).add(
+				ModBlocks.MALIGNANT_FLESH_VEINS.get(),
+				ModBlocks.MALIGNANT_FLESH_SLAB.get(),
+				ModBlocks.MALIGNANT_FLESH_STAIRS.get(),
+				ModBlocks.MALIGNANT_FLESH_WALL.get(),
+				ModBlocks.PRIMAL_BLOOM.get(),
+				ModBlocks.PRIMAL_PERMEABLE_MEMBRANE.get(),
+				ModBlocks.PRIMAL_PERMEABLE_MEMBRANE_PANE.get()
+		);
+
 		tag(BlockTags.DOORS).add(ModBlocks.FLESH_DOOR.get()).add(ModBlocks.FULL_FLESH_DOOR.get());
 		tag(BlockTags.TRAPDOORS).add(ModBlocks.FLESH_IRIS_DOOR.get());
 

src/generated/resources/data/biomancy/tags/blocks/lava_destructible.json

@@ -0,0 +1,11 @@
+{
+  "values": [
+    "biomancy:malignant_flesh_veins",
+    "biomancy:malignant_flesh_slab",
+    "biomancy:malignant_flesh_stairs",
+    "biomancy:malignant_flesh_wall",
+    "biomancy:primal_bloom",
+    "biomancy:primal_permeable_membrane",
+    "biomancy:primal_permeable_membrane_pane"
+  ]
+}

src/main/java/com/github/elenterius/biomancy/init/tags/ModBlockTags.java

@@ -12,6 +12,7 @@ public final class ModBlockTags {
 	public static final TagKey<Block> ALLOW_VEINS_TO_ATTACH = tag("allow_veins_to_attach");
 	public static final TagKey<Block> DISALLOW_VEINS_TO_ATTACH = tag("disallow_veins_to_attach");
 	public static final TagKey<Block> ACID_DESTRUCTIBLE = tag("acid_destructible");
+	public static final TagKey<Block> LAVA_DESTRUCTIBLE = tag("lava_destructible");
 
 	private ModBlockTags() {}
 

src/main/java/com/github/elenterius/biomancy/mixin/FlowingFluidMixin.java

@@ -0,0 +1,52 @@
+package com.github.elenterius.biomancy.mixin;
+
+import com.github.elenterius.biomancy.init.tags.ModBlockTags;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.LevelAccessor;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.material.FlowingFluid;
+import net.minecraft.world.level.material.Fluid;
+import net.minecraft.world.level.material.FluidState;
+import net.minecraft.world.level.material.LavaFluid;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(FlowingFluid.class)
+public abstract class FlowingFluidMixin extends Fluid {
+
+	@Unique
+	private boolean biomancy$isLavaFluid() {
+		FlowingFluid fluid = (FlowingFluid) (Object) this;
+		return fluid instanceof LavaFluid;
+	}
+
+	@Inject(method = "canPassThrough", at = @At(value = "HEAD"), cancellable = true)
+	private void onCanPassThrough(BlockGetter level, Fluid fluid, BlockPos fromPos, BlockState fromBlockState, Direction direction, BlockPos toPos, BlockState toBlockState, FluidState toFluidState, CallbackInfoReturnable<Boolean> cir) {
+		if (biomancy$isLavaFluid() && toBlockState.is(ModBlockTags.LAVA_DESTRUCTIBLE)) {
+			cir.setReturnValue(true);
+		}
+	}
+
+	@Inject(method = "canSpreadTo", at = @At(value = "HEAD"), cancellable = true)
+	private void onCanSpreadTo(BlockGetter level, BlockPos fromPos, BlockState fromBlockState, Direction direction, BlockPos toPos, BlockState toBlockState, FluidState toFluidState, Fluid fluid, CallbackInfoReturnable<Boolean> cir) {
+		if (biomancy$isLavaFluid() && toBlockState.is(ModBlockTags.LAVA_DESTRUCTIBLE)) {
+			cir.setReturnValue(true);
+		}
+	}
+
+	@Inject(method = "spreadTo", at = @At(value = "HEAD"), cancellable = true)
+	private void onSpreadTo(LevelAccessor level, BlockPos pos, BlockState state, Direction direction, FluidState fluidState, CallbackInfo ci) {
+		if (biomancy$isLavaFluid() && state.is(ModBlockTags.LAVA_DESTRUCTIBLE)) {
+			level.setBlock(pos, fluidState.createLegacyBlock(), Block.UPDATE_ALL);
+			ci.cancel();
+		}
+	}
+
+}

src/main/resources/mixins.biomancy.json

@@ -9,10 +9,10 @@
   },
   "mixins": [
     "AgeableMobAccessor", "AnimalMixin", "AreaEffectCloudMixin", "ArmorStandAccessor", "ArrowMixin", "BiomeAccessor", "ChickenMixin", "CowMixin",
-    "DamageSourceAccessor", "EntityAccessor", "IntegerPropertyAccessor", "LivingEntityAccessor", "LivingEntityMixin", "MobEffectInstanceAccessor",
-    "MobEffectInstanceMixin", "MobEntityAccessor", "PhantomMixin", "PigMixin", "PlayerMixin", "ServerLevelAccessor", "ServerLevelMixin", "SheepAccessor",
-    "SheepMixin", "SlimeAccessor", "SuspiciousStewItemAccessor", "SwordItemMixinAccessor", "TadpoleAccessor", "TextureSlotAccessor", "ThrownPotionMixin",
-    "UnbreakingEnchantmentMixin", "WallBlockMixin", "ZombieVillagerMixinAccessor"
+    "DamageSourceAccessor", "EntityAccessor", "FlowingFluidMixin", "IntegerPropertyAccessor", "LivingEntityAccessor", "LivingEntityMixin",
+    "MobEffectInstanceAccessor", "MobEffectInstanceMixin", "MobEntityAccessor", "PhantomMixin", "PigMixin", "PlayerMixin", "ServerLevelAccessor",
+    "ServerLevelMixin", "SheepAccessor", "SheepMixin", "SlimeAccessor", "SuspiciousStewItemAccessor", "SwordItemMixinAccessor", "TadpoleAccessor",
+    "TextureSlotAccessor", "ThrownPotionMixin", "UnbreakingEnchantmentMixin", "WallBlockMixin", "ZombieVillagerMixinAccessor"
   ],
   "client": [
     "client.ClientPackListenerMixin", "client.ClientRecipeBookMixin", "client.GuiGraphicsMixin", "client.PlayerRendererMixin", "client.RecipeCollectionAccessor"