beam support

- allow some girder properties to be toggled by wrench

src/main/java/com/simibubi/create/content/curiosities/girder/GirderBlock.java

@@ -5,6 +5,7 @@ import static net.minecraft.world.level.block.state.properties.BlockStatePropert
 import java.util.Random;
 
 import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllItems;
 import com.simibubi.create.AllShapes;
 import com.simibubi.create.content.contraptions.base.KineticTileEntity;
 import com.simibubi.create.content.contraptions.fluids.pipes.BracketBlock;
@@ -100,6 +101,13 @@ public class GirderBlock extends Block implements SimpleWaterloggedBlock, IWrenc
 			return InteractionResult.SUCCESS;
 		}
 
+		if (AllItems.WRENCH.isIn(itemInHand) && !pPlayer.isSteppingCarefully()) {
+			if (GirderWrenchBehavior.handleClick(pLevel, pPos, pState, pHit))
+				return InteractionResult.sidedSuccess(pLevel.isClientSide);
+
+			return InteractionResult.FAIL;
+		}
+
 		IPlacementHelper helper = PlacementHelpers.get(placementHelperId);
 		if (helper.matchesItem(itemInHand))
 			return helper.getOffset(pPlayer, pLevel, pState, pPos, pHit)

src/main/java/com/simibubi/create/content/curiosities/girder/GirderWrenchBehavior.java

@@ -0,0 +1,181 @@
+package com.simibubi.create.content.curiosities.girder;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.jetbrains.annotations.Nullable;
+
+import com.simibubi.create.AllBlocks;
+import com.simibubi.create.AllItems;
+import com.simibubi.create.CreateClient;
+import com.simibubi.create.foundation.utility.Color;
+import com.simibubi.create.foundation.utility.Iterate;
+import com.simibubi.create.foundation.utility.Pair;
+import com.simibubi.create.foundation.utility.VecHelper;
+import com.simibubi.create.foundation.utility.placement.IPlacementHelper;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ClientLevel;
+import net.minecraft.core.BlockPos;
+import net.minecraft.core.Direction;
+import net.minecraft.world.entity.player.Player;
+import net.minecraft.world.item.ItemStack;
+import net.minecraft.world.level.BlockGetter;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.block.state.properties.BooleanProperty;
+import net.minecraft.world.phys.AABB;
+import net.minecraft.world.phys.BlockHitResult;
+import net.minecraft.world.phys.Vec3;
+
+public class GirderWrenchBehavior {
+
+	public static void tick() {
+		Minecraft mc = Minecraft.getInstance();
+		if (mc.player == null || mc.level == null || !(mc.hitResult instanceof BlockHitResult result))
+			return;
+
+		ClientLevel world = mc.level;
+		BlockPos pos = result.getBlockPos();
+		Player player = mc.player;
+		ItemStack heldItem = player.getMainHandItem();
+
+		if (player.isSteppingCarefully())
+			return;
+
+		if (!AllBlocks.METAL_GIRDER.has(world.getBlockState(pos)))
+			return;
+
+		if (!AllItems.WRENCH.isIn(heldItem))
+			return;
+
+		Pair<Direction, Action> dirPair = getDirectionAndAction(result, world, pos);
+		if (dirPair == null)
+			return;
+
+		Vec3 center = VecHelper.getCenterOf(pos);
+		Vec3 edge = center.add(Vec3.atLowerCornerOf(dirPair.getFirst().getNormal()).scale(0.4));
+		Direction.Axis[] axes = Arrays.stream(Iterate.axes).filter(axis -> axis != dirPair.getFirst().getAxis()).toArray(Direction.Axis[]::new);
+
+
+		double normalMultiplier = dirPair.getSecond() == Action.PAIR ? 3 : 1;
+		Vec3 corner1 = edge
+				.add(Vec3.atLowerCornerOf(Direction.fromAxisAndDirection(axes[0], Direction.AxisDirection.POSITIVE).getNormal()).scale(0.3))
+				.add(Vec3.atLowerCornerOf(Direction.fromAxisAndDirection(axes[1], Direction.AxisDirection.POSITIVE).getNormal()).scale(0.3))
+				.add(Vec3.atLowerCornerOf(dirPair.getFirst().getNormal()).scale(0.1 * normalMultiplier));
+
+		normalMultiplier = dirPair.getSecond() == Action.HORIZONTAL ? 9 : 1;
+		Vec3 corner2 = edge
+				.add(Vec3.atLowerCornerOf(Direction.fromAxisAndDirection(axes[0], Direction.AxisDirection.NEGATIVE).getNormal()).scale(0.3))
+				.add(Vec3.atLowerCornerOf(Direction.fromAxisAndDirection(axes[1], Direction.AxisDirection.NEGATIVE).getNormal()).scale(0.3))
+				.add(Vec3.atLowerCornerOf(dirPair.getFirst().getOpposite().getNormal()).scale(0.1 * normalMultiplier));
+
+		CreateClient.OUTLINER.showAABB("girderWrench", new AABB(corner1, corner2))
+				.lineWidth(1 / 32f)
+				.colored(new Color(127, 127, 127));
+	}
+
+	@Nullable
+	private static Pair<Direction, Action> getDirectionAndAction(BlockHitResult result, Level world, BlockPos pos) {
+		List<Pair<Direction, Action>> validDirections = getValidDirections(world, pos);
+
+		if (validDirections.isEmpty())
+			return null;
+
+		List<Direction> directions = IPlacementHelper.orderedByDistance(pos, result.getLocation(), validDirections.stream().map(Pair::getFirst).toList());
+
+		if (directions.isEmpty())
+			return null;
+
+		Direction dir = directions.get(0);
+		return validDirections.stream()
+				.filter(pair -> pair.getFirst() == dir)
+				.findFirst()
+				.orElseGet(() -> Pair.of(dir, Action.SINGLE));
+	}
+
+	public static List<Pair<Direction, Action>> getValidDirections(BlockGetter level, BlockPos pos) {
+		BlockState blockState = level.getBlockState(pos);
+
+		if (!AllBlocks.METAL_GIRDER.has(blockState))
+			return Collections.emptyList();
+
+		return Arrays.stream(Iterate.directions)
+				.<Pair<Direction, Action>>mapMulti((direction, consumer) -> {
+					BlockState other = level.getBlockState(pos.relative(direction));
+
+					// up and down
+					if (direction.getAxis() == Direction.Axis.Y) {
+						//no other girder in target dir
+						if (!AllBlocks.METAL_GIRDER.has(other)) {
+							if (!blockState.getValue(GirderBlock.X) ^ !blockState.getValue(GirderBlock.Z))
+								consumer.accept(Pair.of(direction, Action.SINGLE));
+
+							return;
+						}
+						//this girder is a pole or cross
+						if (blockState.getValue(GirderBlock.X) == blockState.getValue(GirderBlock.Z))
+							return;
+						//other girder is a pole or cross
+						if (other.getValue(GirderBlock.X) == other.getValue(GirderBlock.Z))
+							return;
+						//toggle up/down connection for both
+						consumer.accept(Pair.of(direction, Action.PAIR));
+
+						return;
+					}
+
+					if (AllBlocks.METAL_GIRDER.has(other))
+						consumer.accept(Pair.of(direction, Action.HORIZONTAL));
+
+				}).toList();
+	}
+
+	public static boolean handleClick(Level level, BlockPos pos, BlockState state, BlockHitResult result) {
+
+		Pair<Direction, Action> dirPair = getDirectionAndAction(result, level, pos);
+		if (dirPair == null)
+			return false;
+
+		if (level.isClientSide)
+			return true;
+
+		Direction dir = dirPair.getFirst();
+
+		BlockPos otherPos = pos.relative(dir);
+		BlockState other = level.getBlockState(otherPos);
+
+		if (dir == Direction.UP) {
+			level.setBlock(pos, state.cycle(GirderBlock.TOP), 2 | 16);
+			if (dirPair.getSecond() == Action.PAIR && AllBlocks.METAL_GIRDER.has(other)) {
+				level.setBlock(otherPos, other.cycle(GirderBlock.BOTTOM), 2 | 16);
+			}
+			return true;
+		}
+
+		if (dir == Direction.DOWN) {
+			level.setBlock(pos, state.cycle(GirderBlock.BOTTOM), 2 | 16);
+			if (dirPair.getSecond() == Action.PAIR && AllBlocks.METAL_GIRDER.has(other)) {
+				level.setBlock(otherPos, other.cycle(GirderBlock.TOP), 2 | 16);
+			}
+			return true;
+		}
+
+		if (dirPair.getSecond() == Action.HORIZONTAL) {
+			BooleanProperty property = dir.getAxis() == Direction.Axis.X ? GirderBlock.X : GirderBlock.Z;
+			level.setBlock(pos, state.cycle(property), 2 | 16);
+
+			return true;
+		}
+
+		return true;
+	}
+
+	private enum Action {
+		SINGLE,
+		PAIR,
+		HORIZONTAL
+	}
+
+}

src/main/java/com/simibubi/create/events/ClientEvents.java

@@ -25,6 +25,7 @@ import com.simibubi.create.content.contraptions.components.turntable.TurntableHa
 import com.simibubi.create.content.contraptions.itemAssembly.SequencedAssemblyRecipe;
 import com.simibubi.create.content.contraptions.relays.belt.item.BeltConnectorHandler;
 import com.simibubi.create.content.curiosities.armor.CopperBacktankArmorLayer;
+import com.simibubi.create.content.curiosities.girder.GirderWrenchBehavior;
 import com.simibubi.create.content.curiosities.toolbox.ToolboxHandlerClient;
 import com.simibubi.create.content.curiosities.tools.BlueprintOverlayRenderer;
 import com.simibubi.create.content.curiosities.tools.ExtendoGripRenderHandler;
@@ -143,6 +144,7 @@ public class ClientEvents {
 		ScrollValueRenderer.tick();
 		ChassisRangeDisplay.tick();
 		EdgeInteractionRenderer.tick();
+		GirderWrenchBehavior.tick();
 		WorldshaperRenderHandler.tick();
 		CouplingHandlerClient.tick();
 		CouplingRenderer.tickDebugModeRenders();

src/main/java/com/simibubi/create/foundation/utility/placement/IPlacementHelper.java

@@ -1,6 +1,7 @@
 package com.simibubi.create.foundation.utility.placement;
 
 import java.util.Arrays;
+import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
 import java.util.function.Function;
@@ -76,7 +77,7 @@ public interface IPlacementHelper {
 	 * @param pos the position of the Block the player is looking at or clicked on
 	 * @param state the Blockstate of the Block that the player is looking at or clicked on
 	 * @param ray the exact raytrace result
-	 * @param offset the PlacementOffset returned by {@link #getOffset(PlayerEntity, World, BlockState, BlockPos, BlockRayTraceResult)}<br>
+	 * @param offset the PlacementOffset returned by {@link #getOffset(Player, Level, BlockState, BlockPos, BlockHitResult)}<br>
 	 *               the offset will always be successful if this method is called
 	 */
 	default void renderAt(BlockPos pos, BlockState state, BlockHitResult ray, PlacementOffset offset) {
@@ -147,6 +148,15 @@ public interface IPlacementHelper {
 				.collect(Collectors.toList());
 	}
 
+	static List<Direction> orderedByDistance(BlockPos pos, Vec3 hit, Collection<Direction> directions) {
+		Vec3 centerToHit = hit.subtract(VecHelper.getCenterOf(pos));
+		return directions.stream()
+				.map(dir -> Pair.of(dir, Vec3.atLowerCornerOf(dir.getNormal()).distanceTo(centerToHit)))
+				.sorted(Comparator.comparingDouble(Pair::getSecond))
+				.map(Pair::getFirst)
+				.toList();
+	}
+
 	default boolean matchesItem(ItemStack item) {
 		return getItemPredicate().test(item);
 	}