Complete local voxel MVP with server, client, MCP, packages and world interchange

2026-09-14 17:35:17 +03:00
parent cf8d1aae2e
commit b6ba064339
98 changed files with 58116 additions and 194 deletions
@@ -0,0 +1,85 @@
+// Copyright Shacraft contributors. MIT OR Apache-2.0.
+// Public API calls only: extract factual registries and collision measurements.
+// Run by catalog_generate.py; never starts a server or accepts an EULA.
+import java.nio.file.*;
+import java.util.*;
+import com.google.gson.*;
+import net.minecraft.SharedConstants;
+import net.minecraft.server.Bootstrap;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.registries.BuiltInRegistries;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.entity.BlockEntity;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.material.FluidState;
+import net.minecraft.world.entity.EntityType;
+import net.minecraft.world.entity.ai.attributes.DefaultAttributes;
+import net.minecraft.world.phys.shapes.CollisionContext;
+import net.minecraft.world.phys.shapes.VoxelShape;
+
+class catalog_extract {
+  static JsonArray boxes(VoxelShape shape) {
+    var result = new JsonArray();
+    for (var b : shape.toAabbs()) {
+      var box = new JsonArray();
+      for (double x : new double[]{b.minX,b.minY,b.minZ,b.maxX,b.maxY,b.maxZ}) box.add(x);
+      result.add(box);
+    }
+    return result;
+  }
+  static class SampleWorld implements BlockGetter {
+    final BlockState center, other;
+    SampleWorld(BlockState center, BlockState other) { this.center=center; this.other=other; }
+    public BlockEntity getBlockEntity(BlockPos pos) { return null; }
+    public BlockState getBlockState(BlockPos pos) { return pos.equals(BlockPos.ZERO)?center:other; }
+    public FluidState getFluidState(BlockPos pos) { return getBlockState(pos).getFluidState(); }
+    public int getHeight() { return 384; }
+    public int getMinY() { return -64; }
+  }
+  public static void main(String[] args) throws Exception {
+    SharedConstants.tryDetectVersion(); Bootstrap.bootStrap();
+    var root = new JsonObject(); var states = new JsonObject(); var entities = new JsonObject();
+    var air = Block.stateById(0);
+    var stone = BuiltInRegistries.BLOCK.getValue(net.minecraft.resources.Identifier.parse("minecraft:stone")).defaultBlockState();
+    int errors=0, contextual=0;
+    for (var block : BuiltInRegistries.BLOCK) for (var state : block.getStateDefinition().getPossibleStates()) {
+      var out = new JsonObject();
+      var world = new SampleWorld(state,air);
+      try {
+        var shape = boxes(state.getCollisionShape(world,BlockPos.ZERO,CollisionContext.empty()));
+        out.add("collision",shape);
+        boolean context = !shape.equals(boxes(state.getCollisionShape(new SampleWorld(state,stone),BlockPos.ZERO,CollisionContext.empty())))
+          || !shape.equals(boxes(state.getCollisionShape(world,BlockPos.ZERO,CollisionContext.positionContext(10))))
+          || !shape.equals(boxes(state.getCollisionShape(world,BlockPos.ZERO,CollisionContext.positionContext(-10))));
+        out.addProperty("sample_context_dependent",context); if(context)contextual++;
+        out.addProperty("air",state.isAir()); out.addProperty("light",state.getLightEmission());
+        out.addProperty("hardness",state.getDestroySpeed(world,BlockPos.ZERO));
+      } catch (Throwable e) { out.addProperty("error",e.toString()); errors++; }
+      states.add(Integer.toString(Block.getId(state)),out);
+    }
+    for(var entity : BuiltInRegistries.ENTITY_TYPE) {
+      var out = new JsonObject();
+      out.addProperty("width",entity.getWidth()); out.addProperty("height",entity.getHeight());
+      out.addProperty("eye_height",entity.getDimensions().eyeHeight());
+      out.addProperty("fixed_dimensions",entity.getDimensions().fixed());
+      out.addProperty("category",entity.getCategory().getName());
+      out.addProperty("summonable",entity.canSummon()); out.addProperty("serializable",entity.canSerialize());
+      out.addProperty("fire_immune",entity.fireImmune()); out.addProperty("tracking_range",entity.clientTrackingRange());
+      out.addProperty("update_interval",entity.updateInterval()); out.addProperty("peaceful_allowed",entity.isAllowedInPeaceful());
+      var attrs = new JsonObject();
+      if(DefaultAttributes.hasSupplier(entity)) {
+        var supplier = DefaultAttributes.getSupplier((EntityType)entity);
+        for(var holder : BuiltInRegistries.ATTRIBUTE.listElements().toList())
+          if(supplier.hasAttribute(holder)) attrs.addProperty(holder.unwrapKey().get().identifier().toString(),supplier.getBaseValue(holder));
+      }
+      out.add("attributes",attrs);
+      entities.add(EntityType.getKey(entity).toString(),out);
+    }
+    root.add("states",states); root.add("entities",entities);
+    root.addProperty("errors",errors); root.addProperty("context_dependent_samples",contextual);
+    Files.writeString(Path.of(args[0]),new GsonBuilder().create().toJson(root));
+    System.out.println("Extracted "+states.size()+" states, "+entities.size()+" entities, "+errors+" errors, "+contextual+" contextual sample differences");
+    if(errors!=0)System.exit(2);
+  }
+}