Spike feature fixes & custom pillars

src/main/java/ru/betterend/blocks/complex/MetalMaterial.java

@@ -202,5 +202,7 @@ public class MetalMaterial {
 		TagHelper.addTag(BlockTags.BEACON_BASE_BLOCKS, block);
 		TagHelper.addTag(EndTags.IRON_INGOTS, ingot);
 		TagHelper.addTag(ItemTags.BEACON_PAYMENT_ITEMS, ingot);
+		
+		TagHelper.addTag(EndTags.DRAGON_IMMUNE, ore, bars);
 	}
 }

src/main/java/ru/betterend/blocks/complex/StoneMaterial.java

@@ -98,5 +98,7 @@ public class StoneMaterial {
 		TagHelper.addTag(BlockTags.SLABS, slab, brick_slab);
 		TagHelper.addTags(pressure_plate, BlockTags.PRESSURE_PLATES, BlockTags.STONE_PRESSURE_PLATES);
 		TagHelper.addTag(EndTags.END_STONES, stone);
+		
+		TagHelper.addTag(EndTags.DRAGON_IMMUNE, stone, stairs, slab, wall);
 	}
 }

src/main/java/ru/betterend/mixin/common/EndSpikeFeatureMixin.java

@@ -13,6 +13,8 @@ import net.minecraft.block.Blocks;
 import net.minecraft.block.PaneBlock;
 import net.minecraft.entity.EntityType;
 import net.minecraft.entity.decoration.EndCrystalEntity;
+import net.minecraft.structure.Structure;
+import net.minecraft.structure.StructurePlacementData;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.BlockPos.Mutable;
 import net.minecraft.util.math.MathHelper;
@@ -22,7 +24,9 @@ import net.minecraft.world.StructureWorldAccess;
 import net.minecraft.world.gen.chunk.ChunkGenerator;
 import net.minecraft.world.gen.feature.EndSpikeFeature;
 import net.minecraft.world.gen.feature.EndSpikeFeatureConfig;
+import ru.betterend.BetterEnd;
 import ru.betterend.util.BlocksHelper;
+import ru.betterend.util.StructureHelper;
 import ru.betterend.world.generator.GeneratorOptions;
 
 @Mixin(EndSpikeFeature.class)
@@ -39,9 +43,50 @@ public class EndSpikeFeatureMixin {
 		int x = spike.getCenterX();
 		int z = spike.getCenterZ();
 		int radius = spike.getRadius();
-		int minY = world.getChunk(spike.getCenterX() >> 4, spike.getCenterZ() >> 4).sampleHeightmap(Type.WORLD_SURFACE, spike.getCenterX() & 15, spike.getCenterZ() & 15) - 15;
+		int minY = world.getChunk(x >> 4, z >> 4).sampleHeightmap(Type.WORLD_SURFACE, x & 15, z);
-		int maxY = minY + spike.getHeight() - 50;
+		int maxY = minY + spike.getHeight() - 30;
 		
+		if (GeneratorOptions.replacePillars() && be_radiusInRange(radius)) {
+			radius--;
+			Structure base = StructureHelper.readStructure(BetterEnd.makeID("pillars/pillar_base_" + radius));
+			Structure top = StructureHelper.readStructure(BetterEnd.makeID("pillars/pillar_top_" + radius + (spike.isGuarded() ? "_cage" : "")));
+			BlockPos side = base.getSize();
+			BlockPos pos1 = new BlockPos(x - (side.getX() >> 1), minY - 3, z - (side.getZ() >> 1));
+			minY = pos1.getY() + side.getY();
+			side = top.getSize();
+			BlockPos pos2 = new BlockPos(x - (side.getX() >> 1), maxY, z - (side.getZ() >> 1));
+			maxY = pos2.getY();
+			
+			StructurePlacementData data = new StructurePlacementData();
+			base.place(world, pos1, data, random);
+			top.place(world, pos2, data, random);
+			
+			int r2 = radius * radius + 1;
+			Mutable mut = new Mutable();
+			for (int px = -radius; px <= radius; px++) {
+				mut.setX(x + px);
+				int x2 = px * px;
+				for (int pz = -radius; pz <= radius; pz++) {
+					mut.setZ(z + pz);
+					int z2 = pz * pz;
+					if (x2 + z2 <= r2) {
+						for (int py = minY; py < maxY; py++) {
+							mut.setY(py);
+							if (world.getBlockState(mut).getMaterial().isReplaceable()) {
+								if ((px == radius || px == -radius || pz == radius || pz == -radius) && random.nextInt(24) == 0) {
+									BlocksHelper.setWithoutUpdate(world, mut, Blocks.CRYING_OBSIDIAN);
+								}
+								else {
+									BlocksHelper.setWithoutUpdate(world, mut, Blocks.OBSIDIAN);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		else {
+			minY -= 15;
 			int r2 = radius * radius + 1;
 			Mutable mut = new Mutable();
 			for (int px = -radius; px <= radius; px++) {
@@ -88,7 +133,12 @@ public class EndSpikeFeatureMixin {
 					}
 				}
 			}
+		}
 
 		info.cancel();
 	}
+	
+	private boolean be_radiusInRange(int radius) {
+		return radius > 1 && radius < 6;
+	}
 }

src/main/java/ru/betterend/registry/EndTags.java

@@ -39,6 +39,7 @@ public class EndTags {
 	public static final Tag.Identified<Block> PEDESTALS = makeBlockTag("pedestal");
 	public static final Tag.Identified<Block> BLOCK_CHEST = makeCommonBlockTag("chest");
 	public static final Tag.Identified<Block> END_STONES = makeCommonBlockTag("end_stones");
+	public static final Tag.Identified<Block> DRAGON_IMMUNE = getMCBlockTag("dragon_immune");
 	
 	// Item Tags
 	public static final Tag.Identified<Item> ITEM_CHEST = makeCommonItemTag("chest");
@@ -70,6 +71,12 @@ public class EndTags {
 		return tag == null ? (Identified<Item>) TagRegistry.item(id) : (Identified<Item>) tag;
 	}
 	
+	public static Tag.Identified<Block> getMCBlockTag(String name) {
+		Identifier id = new Identifier(name);
+		Tag<Block> tag = BlockTags.getTagGroup().getTag(id);
+		return tag == null ? (Identified<Block>) TagRegistry.block(id) : (Identified<Block>) tag;
+	}
+	
 	public static void register() {
 		addSurfaceBlock(Blocks.END_STONE);
 		addSurfaceBlock(EndBlocks.THALLASIUM.ore);
@@ -117,6 +124,8 @@ public class EndTags {
 		
 		TagHelper.addTag(BlockTags.BEACON_BASE_BLOCKS, EndBlocks.AETERNIUM_BLOCK);
 		TagHelper.addTag(ItemTags.BEACON_PAYMENT_ITEMS, EndItems.AETERNIUM_INGOT);
+		
+		TagHelper.addTag(EndTags.DRAGON_IMMUNE, EndBlocks.ENDER_ORE);
 	}
 	
 	public static void addSurfaceBlock(Block block) {

src/main/java/ru/betterend/world/generator/GeneratorOptions.java

@@ -25,6 +25,7 @@ public class GeneratorOptions {
 	private static BlockPos spawn;
 	private static BlockPos portal = BlockPos.ORIGIN;
 	private static boolean replacePortal;
+	private static boolean replacePillars;
 	
 	public static void init() {
 		biomeSizeLand = Configs.GENERATOR_CONFIG.getInt("biomeMap", "biomeSizeLand", 256);
@@ -50,6 +51,7 @@ public class GeneratorOptions {
 			Configs.GENERATOR_CONFIG.getInt("spawn.point", "z", 0)
 		);
 		replacePortal = Configs.GENERATOR_CONFIG.getBooleanRoot("customEndPortal", true);
+		replacePillars = Configs.GENERATOR_CONFIG.getBooleanRoot("customObsidianSpikes", true);
 	}
 
 	public static int getBiomeSizeLand() {
@@ -123,4 +125,8 @@ public class GeneratorOptions {
 	public static boolean replacePortal() {
 		return replacePortal;
 	}
+	
+	public static boolean replacePillars() {
+		return replacePillars;
+	}
 }