feat: surface decoration generation but only in even chunks

common/api/src/main/java/com/dfsek/terra/api/block/BlockType.java

@@ -13,6 +13,9 @@ import com.dfsek.terra.api.block.state.BlockState;
 
 /**
  * Represents a type of block
+ * <p>
+ * Important! You <b>need</b> to implement a proper equals() and hashCode() here in
+ * your platform implementation for surface decorations to show up
  */
 public interface BlockType extends Handle {
     /**

platforms/minestom/src/main/java/com/dfsek/terra/minestom/TerraMinestomExample.java

@@ -18,7 +18,8 @@ public class TerraMinestomExample {
             .createInstanceContainer();
 
         TerraMinestomWorldBuilder.from(instance)
-            .packById("OVERWORLD")
+            .packById("DEFMOD")
+            .seed(0)
             .attach();
 
         for(int x = -1; x <= 1; x++) {

platforms/minestom/src/main/java/com/dfsek/terra/minestom/block/MinestomBlockState.java

@@ -7,6 +7,7 @@ import com.dfsek.terra.api.block.state.properties.Property;
 import net.minestom.server.instance.block.Block;
 
 import java.util.HashMap;
+import java.util.Objects;
 import java.util.stream.Collectors;
 
 
@@ -44,7 +45,7 @@ public class MinestomBlockState implements BlockState {
 
     @Override
     public boolean matches(BlockState other) {
-        return ((MinestomBlockState) other).block == block;
+        return ((MinestomBlockState) other).block.compare(block);
     }
 
     @Override
@@ -70,7 +71,7 @@ public class MinestomBlockState implements BlockState {
     @Override
     public String getAsString(boolean properties) {
         String name = block.namespace().asString();
-        if (!properties) {
+        if (!properties || block.properties().isEmpty()) {
             return name;
         }
 
@@ -95,4 +96,9 @@ public class MinestomBlockState implements BlockState {
     public Object getHandle() {
         return block;
     }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(block.id());
+    }
 }

platforms/minestom/src/main/java/com/dfsek/terra/minestom/block/MinestomBlockType.java

@@ -32,4 +32,17 @@ public class MinestomBlockType implements BlockType {
     public Object getHandle() {
         return block;
     }
+
+    @Override
+    public int hashCode() {
+        return block.id();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (obj instanceof MinestomBlockType other) {
+            return block.id() == other.block.id();
+        }
+        return false;
+    }
 }

platforms/minestom/src/main/java/com/dfsek/terra/minestom/world/MinestomChunkGeneratorWrapper.java

@@ -32,11 +32,11 @@ public class MinestomChunkGeneratorWrapper implements Generator {
         Point start = unit.absoluteStart();
         CachedChunk chunk = cache.at(start.chunkX(), start.chunkZ());
 
-        //chunk.writeRelative(unit.modifier());
-
-        if (start.chunkX() % 2 == 0 && start.chunkZ() % 2 == 0) {
         chunk.writeRelative(unit.modifier());
-        }
+
+        //if (start.chunkX() % 2 == 0 && start.chunkZ() % 2 == 0) {
+            //chunk.writeRelative(unit.modifier());
+        //}
 
         unit.fork(setter -> {
             MinestomProtoWorld protoWorld = new MinestomProtoWorld(