Files
fabric-carpet/src/main/java/carpet/script/api/WorldAccess.java
T

1386 lines
67 KiB
Java

package carpet.script.api;
import carpet.CarpetServer;
import carpet.CarpetSettings;
import carpet.fakes.BiomeArrayInterface;
import carpet.fakes.ChunkGeneratorInterface;
import carpet.fakes.ChunkTicketManagerInterface;
import carpet.fakes.ServerChunkManagerInterface;
import carpet.fakes.SpawnHelperInnerInterface;
import carpet.fakes.ThreadedAnvilChunkStorageInterface;
import carpet.helpers.FeatureGenerator;
import carpet.mixins.PointOfInterest_scarpetMixin;
import carpet.script.CarpetContext;
import carpet.script.Context;
import carpet.script.Expression;
import carpet.script.Fluff;
import carpet.script.LazyValue;
import carpet.script.argument.BlockArgument;
import carpet.script.argument.Vector3Argument;
import carpet.script.exception.InternalExpressionException;
import carpet.script.utils.WorldTools;
import carpet.script.value.BlockValue;
import carpet.script.value.EntityValue;
import carpet.script.value.ListValue;
import carpet.script.value.MapValue;
import carpet.script.value.NBTSerializableValue;
import carpet.script.value.NullValue;
import carpet.script.value.NumericValue;
import carpet.script.value.StringValue;
import carpet.script.value.Value;
import carpet.utils.BlockInfo;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
import it.unimi.dsi.fastutil.longs.LongSet;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.block.CommandBlock;
import net.minecraft.block.JigsawBlock;
import net.minecraft.block.StructureBlock;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.command.argument.ItemStackArgument;
import net.minecraft.enchantment.EnchantmentHelper;
import net.minecraft.enchantment.Enchantments;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityType;
import net.minecraft.entity.FallingBlockEntity;
import net.minecraft.entity.ai.pathing.NavigationType;
import net.minecraft.item.BlockItem;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.item.Items;
import net.minecraft.item.MiningToolItem;
import net.minecraft.item.ShearsItem;
import net.minecraft.item.SwordItem;
import net.minecraft.item.TridentItem;
import net.minecraft.nbt.CompoundTag;
import net.minecraft.nbt.Tag;
import net.minecraft.network.packet.s2c.play.ChunkDataS2CPacket;
import net.minecraft.server.network.ServerPlayerEntity;
import net.minecraft.server.world.ChunkTicket;
import net.minecraft.server.world.ChunkTicketType;
import net.minecraft.server.world.ServerWorld;
import net.minecraft.sound.BlockSoundGroup;
import net.minecraft.sound.SoundCategory;
import net.minecraft.state.StateManager;
import net.minecraft.state.property.Property;
import net.minecraft.structure.StructurePiece;
import net.minecraft.structure.StructureStart;
import net.minecraft.util.ActionResult;
import net.minecraft.util.Clearable;
import net.minecraft.util.Identifier;
import net.minecraft.util.collection.SortedArraySet;
import net.minecraft.util.math.BlockBox;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.ChunkPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.registry.Registry;
import net.minecraft.world.Heightmap;
import net.minecraft.world.LightType;
import net.minecraft.world.SpawnHelper;
import net.minecraft.world.World;
import net.minecraft.world.biome.Biome;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.ChunkStatus;
import net.minecraft.world.chunk.WorldChunk;
import net.minecraft.world.gen.ChunkRandom;
import net.minecraft.world.gen.chunk.ChunkGenerator;
import net.minecraft.world.gen.feature.ConfiguredStructureFeature;
import net.minecraft.world.gen.feature.StructureFeature;
import net.minecraft.world.poi.PointOfInterest;
import net.minecraft.world.poi.PointOfInterestStorage;
import net.minecraft.world.poi.PointOfInterestType;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import java.util.function.BiFunction;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import static carpet.script.utils.WorldTools.canHasChunk;
public class WorldAccess {
private static final Map<String, Direction> DIRECTION_MAP = Arrays.stream(Direction.values()).collect(Collectors.toMap(Direction::getName, (direction) -> direction));
private final static Map<String, ChunkTicketType<?>> ticketTypes = new HashMap<String, ChunkTicketType<?>>(){{
put("portal", ChunkTicketType.PORTAL);
put("teleport", ChunkTicketType.POST_TELEPORT);
put("unknown", ChunkTicketType.UNKNOWN); // unknown
}};
// dummy entity for dummy requirements in the loot tables (see snowball)
private static FallingBlockEntity DUMMY_ENTITY = new FallingBlockEntity(EntityType.FALLING_BLOCK, null);
public static void forceChunkUpdate(BlockPos pos, ServerWorld world)
{
WorldChunk worldChunk = world.getChunkManager().getWorldChunk(pos.getX()>>4, pos.getZ()>>4, false);
if (worldChunk != null)
{
int vd = world.getServer().getPlayerManager().getViewDistance() * 16;
int vvd = vd * vd;
List<ServerPlayerEntity> nearbyPlayers = world.getPlayers(p -> pos.getSquaredDistance(p.getX(), pos.getY(), p.getZ(), true) < vvd);
if (!nearbyPlayers.isEmpty())
{
ChunkDataS2CPacket packet = new ChunkDataS2CPacket(worldChunk, 65535);
ChunkPos chpos = new ChunkPos(pos);
nearbyPlayers.forEach(p -> p.networkHandler.sendPacket(packet));
}
}
}
private static LazyValue booleanStateTest(
Context c,
String name,
List<LazyValue> params,
BiFunction<BlockState, BlockPos, Boolean> test
)
{
CarpetContext cc = (CarpetContext) c;
if (params.size() == 0)
{
throw new InternalExpressionException("'" + name + "' requires at least one parameter");
}
Value v0 = params.get(0).evalValue(c);
if (v0 instanceof BlockValue)
{
Value retval = test.apply(((BlockValue) v0).getBlockState(), ((BlockValue) v0).getPos()) ? Value.TRUE : Value.FALSE;
return (c_, t_) -> retval;
}
BlockValue block = BlockArgument.findIn(cc, params, 0).block;
Value retval = test.apply(block.getBlockState(), block.getPos()) ? Value.TRUE : Value.FALSE;
return (c_, t_) -> retval;
}
private static LazyValue stateStringQuery(
Context c,
String name,
List<LazyValue> params,
BiFunction<BlockState, BlockPos, String> test
)
{
CarpetContext cc = (CarpetContext) c;
if (params.size() == 0)
{
throw new InternalExpressionException("'" + name + "' requires at least one parameter");
}
Value v0 = params.get(0).evalValue(c);
if (v0 instanceof BlockValue)
{
String strVal = test.apply( ((BlockValue) v0).getBlockState(), ((BlockValue) v0).getPos());
Value retval = strVal != null ? new StringValue(strVal) : Value.NULL;
return (c_, t_) -> retval;
}
BlockValue block = BlockArgument.findIn(cc, params, 0).block;
String strVal = test.apply(block.getBlockState(), block.getPos());
Value retval = strVal != null ? new StringValue(strVal) : Value.NULL;
return (c_, t_) -> retval;
}
private static LazyValue genericStateTest(
Context c,
String name,
List<LazyValue> params,
Fluff.TriFunction<BlockState, BlockPos, World, Value> test
)
{
CarpetContext cc = (CarpetContext) c;
if (params.size() == 0)
{
throw new InternalExpressionException("'" + name + "' requires at least one parameter");
}
Value v0 = params.get(0).evalValue(c);
if (v0 instanceof BlockValue)
{
try
{
Value retval = test.apply(((BlockValue) v0).getBlockState(), ((BlockValue) v0).getPos(), cc.s.getWorld());
return (_c, _t) -> retval;
}
catch (NullPointerException ignored)
{
throw new InternalExpressionException("'" + name + "' function requires a block that is positioned in the world");
}
}
BlockValue block = BlockArgument.findIn(cc, params, 0).block;
Value retval = test.apply(block.getBlockState(), block.getPos(), cc.s.getWorld());
return (c_, t_) -> retval;
}
private static <T extends Comparable<T>> BlockState setProperty(Property<T> property, String name, String value,
BlockState bs)
{
Optional<T> optional = property.parse(value);
if (optional.isPresent())
{
bs = bs.with(property, optional.get());
}
else
{
throw new InternalExpressionException(value + " is not a valid value for property " + name);
}
return bs;
}
private static boolean tryBreakBlock_copy_from_ServerPlayerInteractionManager(ServerPlayerEntity player, BlockPos blockPos_1)
{
//this could be done little better, by hooking up event handling not in try_break_block but wherever its called
// so we can safely call it here
// but that would do for now.
BlockState blockState_1 = player.world.getBlockState(blockPos_1);
if (!player.getMainHandStack().getItem().canMine(blockState_1, player.world, blockPos_1, player)) {
return false;
} else {
BlockEntity blockEntity_1 = player.world.getBlockEntity(blockPos_1);
Block block_1 = blockState_1.getBlock();
if ((block_1 instanceof CommandBlock || block_1 instanceof StructureBlock || block_1 instanceof JigsawBlock) && !player.isCreativeLevelTwoOp()) {
player.world.updateListeners(blockPos_1, blockState_1, blockState_1, 3);
return false;
} else if (player.isBlockBreakingRestricted(player.world, blockPos_1, player.interactionManager.getGameMode())) {
return false;
} else {
block_1.onBreak(player.world, blockPos_1, blockState_1, player);
boolean boolean_1 = player.world.removeBlock(blockPos_1, false);
if (boolean_1) {
block_1.onBroken(player.world, blockPos_1, blockState_1);
}
if (player.isCreative()) {
return true;
} else {
ItemStack itemStack_1 = player.getMainHandStack();
boolean boolean_2 = player.isUsingEffectiveTool(blockState_1);
itemStack_1.postMine(player.world, blockState_1, blockPos_1, player);
if (boolean_1 && boolean_2) {
ItemStack itemStack_2 = itemStack_1.isEmpty() ? ItemStack.EMPTY : itemStack_1.copy();
block_1.afterBreak(player.world, player, blockPos_1, blockState_1, blockEntity_1, itemStack_2);
}
return true;
}
}
}
}
private static Value structureToValue(StructureStart<?> structure)
{
if (structure == null || structure == StructureStart.DEFAULT) return Value.NULL;
List<Value> pieces = new ArrayList<>();
for (StructurePiece piece : structure.getChildren())
{
BlockBox box = piece.getBoundingBox();
pieces.add(ListValue.of(
new StringValue( NBTSerializableValue.nameFromRegistryId(Registry.STRUCTURE_PIECE.getId(piece.getType()))),
(piece.getFacing()== null)?Value.NULL: new StringValue(piece.getFacing().getName()),
ListValue.fromTriple(box.minX, box.minY, box.minZ),
ListValue.fromTriple(box.maxX, box.maxY, box.maxZ)
));
};
BlockBox boundingBox = structure.getBoundingBox();
Map<Value, Value> ret = new HashMap<>();
ret.put(new StringValue("box"), ListValue.of(
ListValue.fromTriple(boundingBox.minX, boundingBox.minY, boundingBox.minZ),
ListValue.fromTriple(boundingBox.maxX, boundingBox.maxY, boundingBox.maxZ)
));
ret.put(new StringValue("pieces"), ListValue.wrap(pieces));
return MapValue.wrap(ret);
}
private static void BooYah(ChunkGenerator generator)
{
synchronized (generator)
{
((ChunkGeneratorInterface)generator).initStrongholds();
}
}
public static void apply(Expression expression)
{
expression.addLazyFunction("block", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext) c;
if (lv.size() == 0)
{
throw new InternalExpressionException("Block requires at least one parameter");
}
BlockValue retval = BlockArgument.findIn(cc, lv, 0, true).block;
// fixing block state and data
retval.getBlockState();
retval.getData();
return (c_, t_) -> retval;
});
expression.addLazyFunction("block_data", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext) c;
if (lv.size() == 0)
{
throw new InternalExpressionException("Block requires at least one parameter");
}
CompoundTag tag = BlockArgument.findIn(cc, lv, 0, true).block.getData();
if (tag == null)
return (c_, t_) -> Value.NULL;
Value retval = new NBTSerializableValue(tag);
return (c_, t_) -> retval;
});
// poi_get(pos, radius?, type?, occupation?, column_mode?)
expression.addLazyFunction("poi", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext) c;
if (lv.size() == 0) throw new InternalExpressionException("'poi' requires at least one parameter");
BlockArgument locator = BlockArgument.findIn(cc, lv, 0, false);
BlockPos pos = locator.block.getPos();
PointOfInterestStorage store = cc.s.getWorld().getPointOfInterestStorage();
if (lv.size() == locator.offset)
{
PointOfInterestType poiType = store.getType(pos).orElse(null);
if (poiType == null) return LazyValue.NULL;
// this feels wrong, but I don't want to mix-in more than I really need to.
// also distance adds 0.5 to each point which screws up accurate distance calculations
// you shoudn't be using POI with that in mind anyways, so I am not worried about it.
PointOfInterest poi = store.getInCircle(
poiType.getCompletionCondition(),
pos,
1,
PointOfInterestStorage.OccupationStatus.ANY
).filter(p -> p.getPos().equals(pos)).findFirst().orElse(null);
if (poi == null)
return LazyValue.NULL;
Value ret = ListValue.of(
new StringValue(poi.getType().toString()),
new NumericValue(poiType.getTicketCount() - ((PointOfInterest_scarpetMixin)poi).getFreeTickets())
);
return (_c, _t) -> ret;
}
int radius = NumericValue.asNumber(lv.get(locator.offset+0).evalValue(c)).getInt();
if (radius < 0) return ListValue.lazyEmpty();
Predicate<PointOfInterestType> condition = PointOfInterestType.ALWAYS_TRUE;
PointOfInterestStorage.OccupationStatus status = PointOfInterestStorage.OccupationStatus.ANY;
boolean inColumn = false;
if (locator.offset + 1 < lv.size())
{
String poiType = lv.get(locator.offset+1).evalValue(c).getString().toLowerCase(Locale.ROOT);
if (!"any".equals(poiType))
{
PointOfInterestType type = Registry.POINT_OF_INTEREST_TYPE.get(new Identifier(poiType));
if (type == PointOfInterestType.UNEMPLOYED && !"unemployed".equals(poiType)) return LazyValue.NULL;
condition = (tt) -> tt == type;
}
if (locator.offset + 2 < lv.size())
{
String statusString = lv.get(locator.offset+2).evalValue(c).getString().toLowerCase(Locale.ROOT);
if ("occupied".equals(statusString))
status = PointOfInterestStorage.OccupationStatus.IS_OCCUPIED;
else if ("available".equals(statusString))
status = PointOfInterestStorage.OccupationStatus.HAS_SPACE;
else if (!("any".equals(statusString)))
throw new InternalExpressionException(
"Incorrect POI occupation status "+status+ " use `any`, " + "`occupied` or `available`"
);
if (locator.offset + 3 < lv.size())
{
inColumn = lv.get(locator.offset+3).evalValue(c, Context.BOOLEAN).getBoolean();
}
}
}
Stream<PointOfInterest> pois = inColumn?
store.getInSquare(condition, pos, radius, status):
store.getInCircle(condition, pos, radius, status);
Value ret = ListValue.wrap(pois.sorted(Comparator.comparingDouble(p -> p.getPos().getSquaredDistance(pos))).map(p ->
ListValue.of(
new StringValue(p.getType().toString()),
new NumericValue(p.getType().getTicketCount() - ((PointOfInterest_scarpetMixin)p).getFreeTickets()),
ListValue.of(new NumericValue(p.getPos().getX()), new NumericValue(p.getPos().getY()), new NumericValue(p.getPos().getZ()))
)
).collect(Collectors.toList()));
return (c_, t_) -> ret;
});
//poi_set(pos, null) poi_set(pos, type, occupied?,
expression.addLazyFunction("set_poi", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext) c;
if (lv.size() == 0) throw new InternalExpressionException("'set_poi' requires at least one parameter");
BlockArgument locator = BlockArgument.findIn(cc, lv, 0, false);
BlockPos pos = locator.block.getPos();
if (lv.size() < locator.offset) throw new InternalExpressionException("'set_poi' requires the new poi type or null, after position argument");
Value poi = lv.get(locator.offset+0).evalValue(c);
PointOfInterestStorage store = cc.s.getWorld().getPointOfInterestStorage();
if (poi == Value.NULL)
{ // clear poi information
if (store.getType(pos).isPresent())
{
store.remove(pos);
return LazyValue.TRUE;
}
return LazyValue.FALSE;
}
String poiTypeString = poi.getString().toLowerCase(Locale.ROOT);
PointOfInterestType type = Registry.POINT_OF_INTEREST_TYPE.get(new Identifier(poiTypeString));
// solving lack of null with defaulted registries
if (type == PointOfInterestType.UNEMPLOYED && !"unemployed".equals(poiTypeString)) throw new InternalExpressionException("Unknown POI type: "+poiTypeString);
int occupancy = 0;
if (locator.offset + 1 < lv.size())
{
occupancy = (int)NumericValue.asNumber(lv.get(locator.offset + 1).evalValue(c)).getLong();
if (occupancy < 0) throw new InternalExpressionException("Occupancy cannot be negative");
}
if (store.getType(pos).isPresent()) store.remove(pos);
store.add(pos, type);
// setting occupancy for a
// again - don't want to mix in unnecessarily - peeps not gonna use it that often so not worries about it.
if (occupancy > 0)
{
int finalO = occupancy;
store.getInSquare((tt) -> tt==type, pos, 1, PointOfInterestStorage.OccupationStatus.ANY
).filter(p -> p.getPos().equals(pos)).findFirst().ifPresent(p -> {
for (int i=0; i < finalO; i++) ((PointOfInterest_scarpetMixin)p).callReserveTicket();
});
}
return LazyValue.TRUE;
});
expression.addLazyFunction("pos", 1, (c, t, lv) ->
{
Value arg = lv.get(0).evalValue(c);
if (arg instanceof BlockValue)
{
BlockPos pos = ((BlockValue) arg).getPos();
if (pos == null)
throw new InternalExpressionException("Cannot fetch position of an unrealized block");
Value retval = ListValue.of(new NumericValue(pos.getX()), new NumericValue(pos.getY()), new NumericValue(pos.getZ()));
return (c_, t_) -> retval;
}
else if (arg instanceof EntityValue)
{
Entity e = ((EntityValue) arg).getEntity();
if (e == null)
throw new InternalExpressionException("Null entity");
Value retval = ListValue.of(new NumericValue(e.getX()), new NumericValue(e.getY()), new NumericValue(e.getZ()));
return (c_, t_) -> retval;
}
else
{
throw new InternalExpressionException("'pos' works only with a block or an entity type");
}
});
expression.addLazyFunction("pos_offset", -1, (c, t, lv) ->
{
BlockArgument locator = BlockArgument.findIn((CarpetContext)c, lv, 0);
BlockPos pos = locator.block.getPos();
if (lv.size() <= locator.offset)
throw new InternalExpressionException("'pos_offset' needs at least position, and direction");
String directionString = lv.get(locator.offset).evalValue(c).getString();
Direction dir = DIRECTION_MAP.get(directionString);
if (dir == null)
throw new InternalExpressionException("Unknown direction: "+directionString);
int howMuch = 1;
if (lv.size() > locator.offset+1)
howMuch = (int) NumericValue.asNumber(lv.get(locator.offset+1).evalValue(c)).getLong();
BlockPos retpos = pos.offset(dir, howMuch);
Value ret = ListValue.of(new NumericValue(retpos.getX()), new NumericValue(retpos.getY()), new NumericValue(retpos.getZ()));
return (cc, tt) -> ret;
});
expression.addLazyFunction("solid", -1, (c, t, lv) ->
genericStateTest(c, "solid", lv, (s, p, w) -> new NumericValue(s.isSolidBlock(w, p)))); // isSimpleFullBlock
expression.addLazyFunction("air", -1, (c, t, lv) ->
booleanStateTest(c, "air", lv, (s, p) -> s.isAir()));
expression.addLazyFunction("liquid", -1, (c, t, lv) ->
booleanStateTest(c, "liquid", lv, (s, p) -> !s.getFluidState().isEmpty()));
expression.addLazyFunction("flammable", -1, (c, t, lv) ->
booleanStateTest(c, "flammable", lv, (s, p) -> s.getMaterial().isBurnable()));
expression.addLazyFunction("transparent", -1, (c, t, lv) ->
booleanStateTest(c, "transparent", lv, (s, p) -> !s.getMaterial().isSolid()));
/*this.expr.addLazyFunction("opacity", -1, (c, t, lv) ->
genericStateTest(c, "opacity", lv, (s, p, w) -> new NumericValue(s.getOpacity(w, p))));
this.expr.addLazyFunction("blocks_daylight", -1, (c, t, lv) ->
genericStateTest(c, "blocks_daylight", lv, (s, p, w) -> new NumericValue(s.propagatesSkylightDown(w, p))));*/ // investigate
expression.addLazyFunction("emitted_light", -1, (c, t, lv) ->
genericStateTest(c, "emitted_light", lv, (s, p, w) -> new NumericValue(s.getLuminance())));
expression.addLazyFunction("light", -1, (c, t, lv) ->
genericStateTest(c, "light", lv, (s, p, w) -> new NumericValue(Math.max(w.getLightLevel(LightType.BLOCK, p), w.getLightLevel(LightType.SKY, p)))));
expression.addLazyFunction("block_light", -1, (c, t, lv) ->
genericStateTest(c, "block_light", lv, (s, p, w) -> new NumericValue(w.getLightLevel(LightType.BLOCK, p))));
expression.addLazyFunction("sky_light", -1, (c, t, lv) ->
genericStateTest(c, "sky_light", lv, (s, p, w) -> new NumericValue(w.getLightLevel(LightType.SKY, p))));
expression.addLazyFunction("see_sky", -1, (c, t, lv) ->
genericStateTest(c, "see_sky", lv, (s, p, w) -> new NumericValue(w.isSkyVisible(p))));
expression.addLazyFunction("brightness", -1, (c, t, lv) ->
genericStateTest(c, "brightness", lv, (s, p, w) -> new NumericValue(w.getBrightness(p))));
expression.addLazyFunction("hardness", -1, (c, t, lv) ->
genericStateTest(c, "hardness", lv, (s, p, w) -> new NumericValue(s.getHardness(w, p))));
expression.addLazyFunction("blast_resistance", -1, (c, t, lv) ->
genericStateTest(c, "blast_resistance", lv, (s, p, w) -> new NumericValue(s.getBlock().getBlastResistance())));
expression.addLazyFunction("in_slime_chunk", -1, (c, t, lv) ->
{
BlockPos pos = BlockArgument.findIn((CarpetContext)c, lv, 0).block.getPos();
ChunkPos chunkPos = new ChunkPos(pos);
Value ret = new NumericValue(ChunkRandom.getSlimeRandom(
chunkPos.x, chunkPos.z,
((CarpetContext)c).s.getWorld().getSeed(),
987234911L
).nextInt(10) == 0);
return (_c, _t) -> ret;
});
expression.addLazyFunction("top", -1, (c, t, lv) ->
{
String type = lv.get(0).evalValue(c).getString().toLowerCase(Locale.ROOT);
Heightmap.Type htype;
switch (type)
{
//case "light": htype = Heightmap.Type.LIGHT_BLOCKING; break; //investigate
case "motion": htype = Heightmap.Type.MOTION_BLOCKING; break;
case "terrain": htype = Heightmap.Type.MOTION_BLOCKING_NO_LEAVES; break;
case "ocean_floor": htype = Heightmap.Type.OCEAN_FLOOR; break;
case "surface": htype = Heightmap.Type.WORLD_SURFACE; break;
default: throw new InternalExpressionException("Unknown heightmap type: "+type);
}
BlockArgument locator = BlockArgument.findIn((CarpetContext)c, lv, 1);
BlockPos pos = locator.block.getPos();
int x = pos.getX();
int z = pos.getZ();
Value retval = new NumericValue(((CarpetContext)c).s.getWorld().getChunk(x >> 4, z >> 4).sampleHeightmap(htype, x & 15, z & 15) + 1);
return (c_, t_) -> retval;
//BlockPos pos = new BlockPos(x,y,z);
//return new BlockValue(source.getWorld().getBlockState(pos), pos);
});
expression.addLazyFunction("loaded", -1, (c, t, lv) ->
{
Value retval = ((CarpetContext) c).s.getWorld().isChunkLoaded(BlockArgument.findIn((CarpetContext) c, lv, 0).block.getPos()) ? Value.TRUE : Value.FALSE;
return (c_, t_) -> retval;
});
// Deprecated, use loaded_status as more indicative
expression.addLazyFunction("loaded_ep", -1, (c, t, lv) ->
{
BlockPos pos = BlockArgument.findIn((CarpetContext)c, lv, 0).block.getPos();
Value retval = ((CarpetContext)c).s.getWorld().getChunkManager().shouldTickChunk(new ChunkPos(pos))?Value.TRUE : Value.FALSE;
return (c_, t_) -> retval;
});
expression.addLazyFunction("loaded_status", -1, (c, t, lv) ->
{
BlockPos pos = BlockArgument.findIn((CarpetContext)c, lv, 0).block.getPos();
WorldChunk chunk = ((CarpetContext)c).s.getWorld().getChunkManager().getWorldChunk(pos.getX()>>4, pos.getZ()>>4, false);
if (chunk == null)
return LazyValue.ZERO;
Value retval = new NumericValue(chunk.getLevelType().ordinal());
return (c_, t_) -> retval;
});
expression.addLazyFunction("is_chunk_generated", -1, (c, t, lv) ->
{
BlockArgument locator = BlockArgument.findIn((CarpetContext)c, lv, 0);
BlockPos pos = locator.block.getPos();
boolean force = false;
if (lv.size() > locator.offset)
force = lv.get(locator.offset).evalValue(c, Context.BOOLEAN).getBoolean();
Value retval = new NumericValue(canHasChunk(((CarpetContext)c).s.getWorld(), new ChunkPos(pos), null, force));
return (c_, t_) -> retval;
});
expression.addLazyFunction("generation_status", -1, (c, t, lv) ->
{
BlockArgument blockArgument = BlockArgument.findIn((CarpetContext)c, lv, 0);
BlockPos pos = blockArgument.block.getPos();
boolean forceLoad = false;
if (lv.size() > blockArgument.offset)
forceLoad = lv.get(blockArgument.offset).evalValue(c, Context.BOOLEAN).getBoolean();
Chunk chunk = ((CarpetContext)c).s.getWorld().getChunk(pos.getX()>>4, pos.getZ()>>4, ChunkStatus.EMPTY, forceLoad);
if (chunk == null)
return LazyValue.NULL;
Value retval = new StringValue(chunk.getStatus().getId());
return (c_, t_) -> retval;
});
expression.addLazyFunction("chunk_tickets", -1, (c, t, lv) ->
{
ServerWorld world = ((CarpetContext) c).s.getWorld();
Long2ObjectOpenHashMap<SortedArraySet<ChunkTicket<?>>> levelTickets = (
(ChunkTicketManagerInterface) ((ServerChunkManagerInterface) world.getChunkManager())
.getCMTicketManager()
).getTicketsByPosition();
List<Value> res = new ArrayList<>();
if (lv.size() == 0)
{
for (long key : levelTickets.keySet())
{
ChunkPos chpos = new ChunkPos(key);
for (ChunkTicket ticket : levelTickets.get(key))
{
res.add(ListValue.of(
new StringValue(ticket.getType().toString()),
new NumericValue(33 - ticket.getLevel()),
new NumericValue(chpos.x),
new NumericValue(chpos.z)
));
}
}
}
else
{
BlockArgument blockArgument = BlockArgument.findIn((CarpetContext) c, lv, 0);
BlockPos pos = blockArgument.block.getPos();
SortedArraySet<ChunkTicket<?>> tickets = levelTickets.get(new ChunkPos(pos).toLong());
if (tickets != null)
{
for (ChunkTicket ticket : tickets)
{
res.add(ListValue.of(
new StringValue(ticket.getType().toString()),
new NumericValue(33 - ticket.getLevel())
));
}
}
}
res.sort(Comparator.comparing(e -> ((ListValue) e).getItems().get(1)).reversed());
Value returnValue = ListValue.wrap(res);
return (_c, _t) -> returnValue;
});
expression.addLazyFunction("suffocates", -1, (c, t, lv) ->
genericStateTest(c, "suffocates", lv, (s, p, w) -> new NumericValue(s.shouldSuffocate(w, p)))); // canSuffocate
expression.addLazyFunction("power", -1, (c, t, lv) ->
genericStateTest(c, "power", lv, (s, p, w) -> new NumericValue(w.getReceivedRedstonePower(p))));
expression.addLazyFunction("ticks_randomly", -1, (c, t, lv) ->
booleanStateTest(c, "ticks_randomly", lv, (s, p) -> s.hasRandomTicks()));
expression.addLazyFunction("update", -1, (c, t, lv) ->
booleanStateTest(c, "update", lv, (s, p) ->
{
((CarpetContext) c).s.getWorld().updateNeighbor(p, s.getBlock(), p);
return true;
}));
expression.addLazyFunction("block_tick", -1, (c, t, lv) ->
booleanStateTest(c, "block_tick", lv, (s, p) ->
{
ServerWorld w = ((CarpetContext)c).s.getWorld();
s.randomTick(w, p, w.random);
return true;
}));
expression.addLazyFunction("random_tick", -1, (c, t, lv) ->
booleanStateTest(c, "random_tick", lv, (s, p) ->
{
ServerWorld w = ((CarpetContext)c).s.getWorld();
if (s.hasRandomTicks() || s.getFluidState().hasRandomTicks())
s.randomTick(w, p, w.random);
return true;
}));
expression.addLazyFunction("without_updates", 1, (c, t, lv) ->
{
boolean previous = CarpetSettings.impendingFillSkipUpdates;
if (previous) return lv.get(0);
Value [] result = new Value[]{Value.NULL};
((CarpetContext)c).s.getMinecraftServer().submitAndJoin( () ->
{
try
{
CarpetSettings.impendingFillSkipUpdates = true;
result[0] = lv.get(0).evalValue(c, t);
}
finally
{
CarpetSettings.impendingFillSkipUpdates = previous;
}
});
return (cc, tt) -> result[0];
});
expression.addLazyFunction("set", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
ServerWorld world = cc.s.getWorld();
BlockArgument targetLocator = BlockArgument.findIn(cc, lv, 0);
BlockArgument sourceLocator = BlockArgument.findIn(cc, lv, targetLocator.offset, true);
BlockState sourceBlockState = sourceLocator.block.getBlockState();
BlockState targetBlockState = world.getBlockState(targetLocator.block.getPos());
CompoundTag data = null;
if (lv.size() > sourceLocator.offset)
{
List<Value> args = new ArrayList<>();
for (int i = sourceLocator.offset, m = lv.size(); i < m; i++)
{
args.add(lv.get(i).evalValue(c));
}
if (args.get(0) instanceof ListValue)
{
if (args.size() == 2)
{
Value dataValue = NBTSerializableValue.fromValue( args.get(1));
if (dataValue instanceof NBTSerializableValue)
{
data = ((NBTSerializableValue) dataValue).getCompoundTag();
}
}
args = ((ListValue) args.get(0)).getItems();
}
else
{
if ((args.size() & 1) == 1)
{
Value dataValue = NBTSerializableValue.fromValue( args.get(args.size()-1));
if (dataValue instanceof NBTSerializableValue)
{
data = ((NBTSerializableValue) dataValue).getCompoundTag();
}
}
}
StateManager<Block, BlockState> states = sourceBlockState.getBlock().getStateManager();
for (int i = 0; i < args.size()-1; i += 2)
{
String paramString = args.get(i).getString();
Property<?> property = states.getProperty(paramString);
if (property == null)
throw new InternalExpressionException("Property " + paramString + " doesn't apply to " + sourceLocator.block.getString());
String paramValue = args.get(i + 1).getString();
sourceBlockState = setProperty(property, paramString, paramValue, sourceBlockState);
}
}
if (data == null) data = sourceLocator.block.getData();
CompoundTag finalData = data;
if (sourceBlockState == targetBlockState && data == null)
return (c_, t_) -> Value.FALSE;
BlockState finalSourceBlockState = sourceBlockState;
BlockPos targetPos = targetLocator.block.getPos();
cc.s.getMinecraftServer().submitAndJoin( () ->
{
Clearable.clear(world.getBlockEntity(targetPos));
world.setBlockState(targetPos, finalSourceBlockState, 2);
if (finalData != null)
{
BlockEntity be = world.getBlockEntity(targetPos);
if (be != null)
{
CompoundTag destTag = finalData.copy();
destTag.putInt("x", targetPos.getX());
destTag.putInt("y", targetPos.getY());
destTag.putInt("z", targetPos.getZ());
be.fromTag(finalSourceBlockState, destTag);
be.markDirty();
}
}
});
Value retval = new BlockValue(finalSourceBlockState, world, targetLocator.block.getPos());
return (c_, t_) -> retval;
});
expression.addLazyFunction("destroy", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
ServerWorld world = cc.s.getWorld();
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
BlockState state = locator.block.getBlockState();
if (state.isAir())
return (c_, t_) -> Value.FALSE;
BlockPos where = locator.block.getPos();
BlockEntity be = world.getBlockEntity(where);
long how = 0;
Item item = Items.DIAMOND_PICKAXE;
boolean playerBreak = false;
if (lv.size() > locator.offset)
{
Value val = lv.get(locator.offset).evalValue(c);
if (val instanceof NumericValue)
{
how = ((NumericValue) val).getLong();
}
else
{
playerBreak = true;
String itemString = val.getString();
item = Registry.ITEM.get(new Identifier(itemString));
if (item == Items.AIR && !itemString.equals("air"))
throw new InternalExpressionException("Incorrect item: " + itemString);
}
}
CompoundTag tag = null;
if (lv.size() > locator.offset+1)
{
if (!playerBreak) throw new InternalExpressionException("tag is not necessary with 'destroy' with no item");
Value tagValue = lv.get(locator.offset+1).evalValue(c);
if (tagValue instanceof NullValue)
tag = null;
else if (tagValue instanceof NBTSerializableValue)
tag = ((NBTSerializableValue) tagValue).getCompoundTag();
else
{
NBTSerializableValue readTag = NBTSerializableValue.parseString(tagValue.getString());
if (readTag == null)
throw new InternalExpressionException("Incorrect tag: "+tagValue.getString());
tag = readTag.getCompoundTag();
}
}
ItemStack tool = new ItemStack(item, 1);
if (tag != null)
tool.setTag(tag);
if (playerBreak && state.getHardness(world, where) < 0.0) return LazyValue.FALSE;
boolean removed = world.removeBlock(where, false);
if (!removed) return LazyValue.FALSE;
world.syncWorldEvent(null, 2001, where, Block.getRawIdFromState(state));
boolean toolBroke = false;
boolean dropLoot = true;
if (playerBreak)
{
boolean isUsingEffectiveTool = !state.isToolRequired() || tool.isEffectiveOn(state);
//postMine() durability from item classes
float hardness = state.getHardness(world, where);
int damageAmount = 0;
if ((item instanceof MiningToolItem && hardness > 0.0) || item instanceof ShearsItem)
{
damageAmount = 1;
}
else if (item instanceof TridentItem || item instanceof SwordItem)
{
damageAmount = 2;
}
toolBroke = damageAmount>0 && tool.damage(damageAmount, world.getRandom(), null);
if (!isUsingEffectiveTool)
dropLoot = false;
}
if (dropLoot)
{
if (how < 0 || (tag != null && EnchantmentHelper.getLevel(Enchantments.SILK_TOUCH, tool) > 0))
{
Block.dropStack(world, where, new ItemStack(state.getBlock()));
}
else
{
if (how > 0)
tool.addEnchantment(Enchantments.FORTUNE, (int) how);
Block.dropStacks(state, world, where, be, DUMMY_ENTITY, tool);
}
}
if (!playerBreak) // no tool info - block brokwn
return (c_, t_) -> Value.TRUE;
if (toolBroke)
return LazyValue.NULL;
Tag outtag = tool.getTag();
if (outtag == null)
return LazyValue.TRUE;
Value ret = new NBTSerializableValue(() -> outtag);
return (_c, _t) -> ret;
});
expression.addLazyFunction("harvest", -1, (c, t, lv) ->
{
if (lv.size()<2)
throw new InternalExpressionException("'harvest' takes at least 2 parameters: entity and block, or position, to harvest");
CarpetContext cc = (CarpetContext)c;
World world = cc.s.getWorld();
Value entityValue = lv.get(0).evalValue(cc);
if (!(entityValue instanceof EntityValue))
return (c_, t_) -> Value.FALSE;
Entity e = ((EntityValue) entityValue).getEntity();
if (!(e instanceof ServerPlayerEntity))
return (c_, t_) -> Value.FALSE;
ServerPlayerEntity player = (ServerPlayerEntity)e;
BlockArgument locator = BlockArgument.findIn(cc, lv, 1);
BlockPos where = locator.block.getPos();
BlockState state = locator.block.getBlockState();
Block block = state.getBlock();
boolean success = false;
if (!((block == Blocks.BEDROCK || block == Blocks.BARRIER) && player.interactionManager.isSurvivalLike()))
success = tryBreakBlock_copy_from_ServerPlayerInteractionManager(player, where);
if (success)
world.syncWorldEvent(null, 2001, where, Block.getRawIdFromState(state));
return success ? LazyValue.TRUE : LazyValue.FALSE;
});
// TODO rename to use_item
expression.addLazyFunction("place_item", -1, (c, t, lv) ->
{
if (lv.size()<2)
throw new InternalExpressionException("'place_item' takes at least 2 parameters: item and block, or position, to place onto");
CarpetContext cc = (CarpetContext) c;
String itemString = lv.get(0).evalValue(c).getString();
Vector3Argument locator = Vector3Argument.findIn(cc, lv, 1);
ItemStackArgument stackArg = NBTSerializableValue.parseItem(itemString);
BlockPos where = new BlockPos(locator.vec);
String facing = "up";
if (lv.size() > locator.offset)
facing = lv.get(locator.offset).evalValue(c).getString();
boolean sneakPlace = false;
if (lv.size() > locator.offset+1)
sneakPlace = lv.get(locator.offset+1).evalValue(c).getBoolean();
BlockValue.PlacementContext ctx;
try
{
ctx = BlockValue.PlacementContext.from(cc.s.getWorld(), where, facing, sneakPlace, stackArg.createStack(1, false));
}
catch (CommandSyntaxException e)
{
throw new InternalExpressionException(e.getMessage());
}
if (!(stackArg.getItem() instanceof BlockItem))
{
ActionResult useResult = ctx.getStack().useOnBlock(ctx);
if (useResult == ActionResult.CONSUME || useResult == ActionResult.SUCCESS)
{
return LazyValue.TRUE;
}
}
else
{ // not sure we need special case for block items, since useOnBlock can do that as well
BlockItem blockItem = (BlockItem) stackArg.getItem();
if (!ctx.canPlace())
return (_c, _t) -> Value.FALSE;
BlockState placementState = blockItem.getBlock().getPlacementState(ctx);
if (placementState != null)
{
if (placementState.canPlaceAt(cc.s.getWorld(), where))
{
cc.s.getWorld().setBlockState(where, placementState, 2);
BlockSoundGroup blockSoundGroup = placementState.getSoundGroup();
cc.s.getWorld().playSound(null, where, blockSoundGroup.getPlaceSound(), SoundCategory.BLOCKS, (blockSoundGroup.getVolume() + 1.0F) / 2.0F, blockSoundGroup.getPitch() * 0.8F);
return (_c, _t) -> Value.TRUE;
}
}
}
return (_c, _t) -> Value.FALSE;
});
expression.addLazyFunction("blocks_movement", -1, (c, t, lv) ->
booleanStateTest(c, "blocks_movement", lv, (s, p) ->
!s.canPathfindThrough(((CarpetContext) c).s.getWorld(), p, NavigationType.LAND)));
expression.addLazyFunction("block_sound", -1, (c, t, lv) ->
stateStringQuery(c, "block_sound", lv, (s, p) ->
BlockInfo.soundName.get(s.getSoundGroup())));
expression.addLazyFunction("material", -1, (c, t, lv) ->
stateStringQuery(c, "material", lv, (s, p) ->
BlockInfo.materialName.get(s.getMaterial())));
expression.addLazyFunction("map_colour", -1, (c, t, lv) ->
stateStringQuery(c, "map_colour", lv, (s, p) ->
BlockInfo.mapColourName.get(s.getTopMaterialColor(((CarpetContext)c).s.getWorld(), p))));
expression.addLazyFunction("property", -1, (c, t, lv) ->
{
BlockArgument locator = BlockArgument.findIn((CarpetContext) c, lv, 0);
BlockState state = locator.block.getBlockState();
if (lv.size() <= locator.offset)
throw new InternalExpressionException("'property' requires to specify a property to query");
String tag = lv.get(locator.offset).evalValue(c).getString();
StateManager<Block, BlockState> states = state.getBlock().getStateManager();
Property<?> property = states.getProperty(tag);
if (property == null)
return LazyValue.NULL;
Value retval = new StringValue(state.get(property).toString().toLowerCase(Locale.ROOT));
return (_c, _t) -> retval;
});
expression.addLazyFunction("block_properties", -1, (c, t, lv) ->
{
BlockArgument locator = BlockArgument.findIn((CarpetContext) c, lv, 0);
BlockState state = locator.block.getBlockState();
StateManager<Block, BlockState> states = state.getBlock().getStateManager();
Value res = ListValue.wrap(states.getProperties().stream().map(
p -> new StringValue(p.getName())).collect(Collectors.toList())
);
return (_c, _t) -> res;
});
expression.addLazyFunction("biome", -1, (c, t, lv) -> {
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ServerWorld world = cc.s.getWorld();
BlockPos pos = locator.block.getPos();
Biome biome = world.getBiome(pos);
// in locatebiome
Identifier biomeId = cc.s.getMinecraftServer().getRegistryManager().get(Registry.BIOME_KEY).getId(biome);
Value res = new StringValue(NBTSerializableValue.nameFromRegistryId(biomeId));
return (_c, _t) -> res;
});
expression.addLazyFunction("set_biome", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
if (lv.size() == locator.offset)
throw new InternalExpressionException("'set_biome' needs a biome name as an argument");
String biomeName = lv.get(locator.offset+0).evalValue(c).getString();
// from locatebiome command code
Biome biome = cc.s.getMinecraftServer().getRegistryManager().get(Registry.BIOME_KEY).get(new Identifier(biomeName));
if (biome == null)
throw new InternalExpressionException("Unknown biome: "+biomeName);
boolean doImmediateUpdate = true;
if (lv.size() > locator.offset+1)
{
doImmediateUpdate = lv.get(locator.offset+1).evalValue(c).getBoolean();
}
ServerWorld world = cc.s.getWorld();
BlockPos pos = locator.block.getPos();
Chunk chunk = world.getChunk(pos.getX() >> 4, pos.getZ() >> 4, ChunkStatus.BIOMES);
((BiomeArrayInterface)chunk.getBiomeArray()).setBiomeAtIndex(pos, world, biome);
if (doImmediateUpdate) forceChunkUpdate(pos, world);
return LazyValue.TRUE;
});
expression.addLazyFunction("reload_chunk", -1, (c, t, lv) -> {
CarpetContext cc = (CarpetContext)c;
BlockPos pos = BlockArgument.findIn(cc, lv, 0).block.getPos();
ServerWorld world = cc.s.getWorld();
cc.s.getMinecraftServer().submitAndJoin( () -> forceChunkUpdate(pos, world));
return LazyValue.TRUE;
});
expression.addLazyFunction("structure_references", -1, (c, t, lv) -> {
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ServerWorld world = cc.s.getWorld();
BlockPos pos = locator.block.getPos();
Map<StructureFeature<?>, LongSet> references = world.getChunk(pos.getX() >> 4, pos.getZ() >> 4, ChunkStatus.STRUCTURE_REFERENCES).getStructureReferences();
if (lv.size() == locator.offset)
{
//CarpetSettings.LOG.error(references.keySet().stream().collect(Collectors.joining(",")));
List<Value> referenceList = references.entrySet().stream().
filter(e -> e.getValue()!= null && !e.getValue().isEmpty()).
map(e -> new StringValue(NBTSerializableValue.nameFromRegistryId(Registry.STRUCTURE_FEATURE.getId(e.getKey())))).collect(Collectors.toList());
return (_c, _t ) -> ListValue.wrap(referenceList);
}
String simpleStructureName = lv.get(locator.offset).evalValue(c).getString().toLowerCase(Locale.ROOT);
//CarpetSettings.LOG.error(FeatureGenerator.featureToStructure.keySet().stream().collect(Collectors.joining(",")));
//CarpetSettings.LOG.error(FeatureGenerator.featureToStructure.values().stream().collect(Collectors.joining(",")));
StructureFeature<?> structureName = Registry.STRUCTURE_FEATURE.get(new Identifier(simpleStructureName));
if (structureName == null) return LazyValue.NULL;
LongSet structureReferences = references.get(structureName);
if (structureReferences == null || structureReferences.isEmpty()) return ListValue.lazyEmpty();
Value ret = ListValue.wrap(structureReferences.stream().map(l -> ListValue.of(
new NumericValue(16*ChunkPos.getPackedX(l)),
Value.ZERO,
new NumericValue(16*ChunkPos.getPackedZ(l)))).collect(Collectors.toList()));
return (_c, _t) -> ret;
});
expression.addLazyFunction("structure_eligibility", -1, (c, t, lv) ->
{// TODO rename structureName to class
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ServerWorld world = cc.s.getWorld();
// well, because
BooYah(world.getChunkManager().getChunkGenerator());
BlockPos pos = locator.block.getPos();
StructureFeature<?> structure = null;
boolean needSize = false;
if (lv.size() > locator.offset)
{
Value requested = lv.get(locator.offset+0).evalValue(c);
if (!(requested instanceof NullValue))
{
String reqString = requested.getString();
structure = Registry.STRUCTURE_FEATURE.get(new Identifier(reqString));
if (structure == null) throw new InternalExpressionException("Unknown structure: " + reqString);
}
if (lv.size() > locator.offset+1)
{
needSize = lv.get(locator.offset+1).evalValue(c).getBoolean();
}
}
if (structure != null)
{
StructureStart<?> start = FeatureGenerator.shouldStructureStartAt(world, pos, structure, needSize);
if (start == null) return LazyValue.NULL;
if (!needSize) return LazyValue.TRUE;
Value ret = structureToValue(start);
return (_c, _t) -> ret;
}
Map<Value, Value> ret = new HashMap<>();
for(StructureFeature<?> str : StructureFeature.STRUCTURES.values())
{
StructureStart start = FeatureGenerator.shouldStructureStartAt(world, pos, str, needSize);
if (start == null) continue;
Value key = new StringValue(NBTSerializableValue.nameFromRegistryId(Registry.STRUCTURE_FEATURE.getId(str)));
ret.put(key, (!needSize)?Value.NULL:structureToValue(start));
}
Value retMap = MapValue.wrap(ret);
return (_c, _t) -> retMap;
});
expression.addLazyFunction("structures", -1, (c, t, lv) -> {
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ServerWorld world = cc.s.getWorld();
BlockPos pos = locator.block.getPos();
Map<StructureFeature<?>, StructureStart<?>> structures = world.getChunk(pos.getX() >> 4, pos.getZ() >> 4, ChunkStatus.STRUCTURE_STARTS).getStructureStarts();
if (lv.size() == locator.offset)
{
Map<Value, Value> structureList = new HashMap<>();
for (Map.Entry<StructureFeature<?>, StructureStart<?>> entry : structures.entrySet())
{
StructureStart<?> start = entry.getValue();
if (start == StructureStart.DEFAULT)
continue;
BlockBox box = start.getBoundingBox();
structureList.put(
new StringValue(NBTSerializableValue.nameFromRegistryId(Registry.STRUCTURE_FEATURE.getId(entry.getKey()))),
ListValue.of(ListValue.fromTriple(box.minX, box.minY, box.minZ), ListValue.fromTriple(box.maxX, box.maxY, box.maxZ))
);
}
Value ret = MapValue.wrap(structureList);
return (_c, _t) -> ret;
}
String structureName = lv.get(locator.offset).evalValue(c).getString().toLowerCase(Locale.ROOT);
StructureStart start = structures.get(Registry.STRUCTURE_FEATURE.get(new Identifier(structureName)));
Value ret = structureToValue(start);
return (_c, _t) -> ret;
});
expression.addLazyFunction("set_structure", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ServerWorld world = cc.s.getWorld();
BlockPos pos = locator.block.getPos();
if (lv.size() == locator.offset)
throw new InternalExpressionException("'set_structure requires at least position and a structure name");
String structureName = lv.get(locator.offset).evalValue(c).getString().toLowerCase(Locale.ROOT);
ConfiguredStructureFeature<?, ?> configuredStructure = FeatureGenerator.resolveConfiguredStructure(structureName, world, pos);
if (configuredStructure == null) throw new InternalExpressionException("Unknown structure: "+structureName);
// good 'ol pointer
Value[] result = new Value[]{Value.NULL};
// technically a world modification. Even if we could let it slide, we will still park it
((CarpetContext) c).s.getMinecraftServer().submitAndJoin(() ->
{
Map<StructureFeature<?>, StructureStart<?>> structures = world.getChunk(pos).getStructureStarts();
if (lv.size() == locator.offset + 1)
{
Boolean res = FeatureGenerator.plopGrid(configuredStructure, ((CarpetContext) c).s.getWorld(), locator.block.getPos());
//Boolean res = FeatureGenerator.gridStructure(structureName, ((CarpetContext) c).s.getWorld(), locator.block.getPos());
if (res == null) return;
result[0] = res?Value.TRUE:Value.FALSE;
return;
}
Value newValue = lv.get(locator.offset+1).evalValue(c);
if (newValue instanceof NullValue) // remove structure
{
StructureFeature<?> structure = configuredStructure.feature;
if (!structures.containsKey(structure))
{
return;
}
StructureStart<?> start = structures.get(structure);
ChunkPos structureChunkPos = new ChunkPos(start.getChunkX(), start.getChunkZ());
BlockBox box = start.getBoundingBox();
for (int chx = box.minX / 16; chx <= box.maxX / 16; chx++)
{
for (int chz = box.minZ / 16; chz <= box.maxZ / 16; chz++)
{
ChunkPos chpos = new ChunkPos(chx, chz);
// getting a chunk will convert it to full, allowing to modify references
Map<StructureFeature<?>, LongSet> references =
world.getChunk(chpos.getStartPos()).getStructureReferences();
if (references.containsKey(structure) && references.get(structure) != null)
references.get(structure).remove(structureChunkPos.toLong());
}
}
structures.remove(structure);
result[0] = Value.TRUE;
}
});
Value ret = result[0]; // preventing from lazy evaluating of the result in case a future completes later
return (_c, _t) -> ret;
});
expression.addLazyFunction("custom_dimension", -1, (c, t, lv) ->
{
if (lv.size() == 0) throw new InternalExpressionException("'custom_dimension' requires at least one argument");
CarpetContext cc = (CarpetContext)c;
String worldKey = lv.get(0).evalValue(c).getString();
Long seed = null;
if (lv.size() > 1)
{
String seedKey = lv.get(1).evalValue(c).getString();
try
{
seed = Long.parseLong(seedKey);
}
catch (NumberFormatException ignored)
{
throw new InternalExpressionException("Incorrect number format for seed: " + seedKey);
}
}
boolean success = WorldTools.createWorld(cc.s.getMinecraftServer(), worldKey, seed);
if (!success) return LazyValue.FALSE;
CarpetServer.settingsManager.notifyPlayersCommandsChanged();
return LazyValue.TRUE;
});
expression.addLazyFunction("reset_chunk", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
List<ChunkPos> requestedChunks = new ArrayList<>();
if (lv.size() == 1)
{
//either one block or list of chunks
Value first = lv.get(0).evalValue(c);
if (first instanceof ListValue)
{
List<Value> listVal = ((ListValue) first).getItems();
int offset = 0;
BlockArgument locator = BlockArgument.findInValues(cc, listVal, 0, false, false);
requestedChunks.add(new ChunkPos(locator.block.getPos()));
while (listVal.size() > locator.offset)
{
locator = BlockArgument.findInValues(cc, listVal, locator.offset, false, false);
requestedChunks.add(new ChunkPos(locator.block.getPos()));
}
}
else
{
BlockArgument locator = BlockArgument.findInValues(cc, Collections.singletonList(first), 0, false, false);
requestedChunks.add(new ChunkPos(locator.block.getPos()));
}
}
else
{
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
ChunkPos from = new ChunkPos(locator.block.getPos());
if (lv.size() > locator.offset)
{
locator = BlockArgument.findIn(cc, lv, locator.offset);
ChunkPos to = new ChunkPos(locator.block.getPos());
int xmax = Math.max(from.x, to.x);
int zmax = Math.max(from.z, to.z);
for (int x = Math.min(from.x, to.x); x <= xmax; x++) for (int z = Math.min(from.z, to.z); z <= zmax; z++)
{
requestedChunks.add(new ChunkPos(x,z));
}
//CarpetSettings.LOG.error("Regenerating from "+Math.min(from.x, to.x)+", "+Math.min(from.z, to.z)+" to "+Math.max(from.x, to.x)+", "+Math.max(from.z, to.z));
}
else
{
requestedChunks.add(from);
}
}
ServerWorld world = cc.s.getWorld();
Value [] result = new Value[]{Value.NULL};
((CarpetContext)c).s.getMinecraftServer().submitAndJoin( () ->
{
Map<String, Integer> report = ((ThreadedAnvilChunkStorageInterface) world.getChunkManager().threadedAnvilChunkStorage).regenerateChunkRegion(requestedChunks);
for (ChunkPos chpos: requestedChunks)
{
if (world.getChunk(chpos.x, chpos.z, ChunkStatus.FULL, false) != null)
{
forceChunkUpdate(chpos.getStartPos(), world);
}
}
result[0] = MapValue.wrap(report.entrySet().stream().collect(Collectors.toMap(
e -> new StringValue((String)((Map.Entry) e).getKey()),
e -> new NumericValue((Integer)((Map.Entry) e).getValue())
)));
});
return (_c, _t) -> result[0];
});
expression.addLazyFunction("inhabited_time", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
BlockPos pos = locator.block.getPos();
Value ret = new NumericValue(cc.s.getWorld().getChunk(pos).getInhabitedTime());
return (_c, _t) -> ret;
});
expression.addLazyFunction("spawn_potential", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
BlockPos pos = locator.block.getPos();
double required_charge = 1;
if (lv.size() > locator.offset)
required_charge = NumericValue.asNumber(lv.get(locator.offset).evalValue(c)).getDouble();
SpawnHelper.Info charger = cc.s.getWorld().getChunkManager().getSpawnInfo();
if (charger == null) return LazyValue.NULL;
Value ret = new NumericValue(
((SpawnHelperInnerInterface)charger).getPotentialCalculator().
calculate(pos, required_charge )
);
return (_c, _t) -> ret;
});
expression.addLazyFunction("add_chunk_ticket", -1, (c, t, lv) ->
{
CarpetContext cc = (CarpetContext)c;
BlockArgument locator = BlockArgument.findIn(cc, lv, 0);
BlockPos pos = locator.block.getPos();
if (lv.size() != locator.offset+2) throw new InternalExpressionException("'add_chunk_ticket' requires block position, ticket type and radius");
String type = lv.get(locator.offset).evalValue(c).getString();
ChunkTicketType ticket = ticketTypes.get(type.toLowerCase(Locale.ROOT));
if (ticket == null) throw new InternalExpressionException("Unknown ticket type: "+type);
int radius = NumericValue.asNumber(lv.get(locator.offset+1).evalValue(c)).getInt();
if (radius < 1 || radius > 32) throw new InternalExpressionException("Ticket radius should be between 1 and 32 chunks");
// due to types we will wing it:
ChunkPos target = new ChunkPos(pos);
if (ticket == ChunkTicketType.PORTAL) // portal
cc.s.getWorld().getChunkManager().addTicket(ChunkTicketType.PORTAL, target, radius, pos);
else if (ticket == ChunkTicketType.POST_TELEPORT) // post teleport
cc.s.getWorld().getChunkManager().addTicket(ChunkTicketType.POST_TELEPORT, target, radius, 1);
else
cc.s.getWorld().getChunkManager().addTicket(ChunkTicketType.UNKNOWN, target, radius, target);
Value ret = new NumericValue(ticket.getExpiryTicks());
return (_c, _t) -> ret;
});
}
}