EnergonRelics/src/main/java/com/thebrokenrail/energonrelics/block/forcefield/util/AbstractFieldBlock.java

package com.thebrokenrail.energonrelics.block.forcefield.util;

import com.thebrokenrail.energonrelics.EnergonRelics;
import com.thebrokenrail.energonrelics.block.entity.forcefield.FieldProjectorBlockEntity;
import com.thebrokenrail.energonrelics.api.block.SimpleBlock;
import com.thebrokenrail.energonrelics.config.HardcodedConfig;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.fabricmc.fabric.api.object.builder.v1.block.FabricBlockSettings;
import net.minecraft.block.Block;
import net.minecraft.block.BlockState;
import net.minecraft.block.Blocks;
import net.minecraft.block.ShapeContext;
import net.minecraft.block.entity.BlockEntity;
import net.minecraft.block.piston.PistonBehavior;
import net.minecraft.sound.BlockSoundGroup;
import net.minecraft.state.StateManager;
import net.minecraft.state.property.DirectionProperty;
import net.minecraft.state.property.Properties;
import net.minecraft.util.BlockMirror;
import net.minecraft.util.BlockRotation;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.Direction;
import net.minecraft.util.shape.VoxelShape;
import net.minecraft.util.shape.VoxelShapes;
import net.minecraft.world.BlockView;
import net.minecraft.world.WorldAccess;

@SuppressWarnings("deprecation")
public abstract class AbstractFieldBlock extends SimpleBlock {
    public static final DirectionProperty FACING = Properties.FACING;

    public AbstractFieldBlock(boolean hasCollision) {
        super((hasCollision ? FabricBlockSettings.of(EnergonRelics.FIELD_MATERIAL) : FabricBlockSettings.of(EnergonRelics.FIELD_MATERIAL).noCollision()).strength(-1.0F, 3600000.8F).dropsNothing().nonOpaque().lightLevel(4).emissiveLighting((state, world, pos) -> true).nonOpaque().sounds(BlockSoundGroup.GLASS).allowsSpawning((state, world, pos, type) -> false).solidBlock((state, world, pos) -> false).suffocates((state, world, pos) -> false).blockVision((state, world, pos) -> false));
        setDefaultState(getDefaultState().with(FACING, Direction.NORTH));
    }

    protected abstract BlockState getProjectorBlockState();

    @Override
    protected void appendProperties(StateManager.Builder<Block, BlockState> builder) {
        builder.add(FACING);
    }

    @Override
    public BlockState rotate(BlockState state, BlockRotation rotation) {
        return state.with(FACING, rotation.rotate(state.get(FACING)));
    }

    @Override
    public BlockState mirror(BlockState state, BlockMirror mirror) {
        return state.rotate(mirror.getRotation(state.get(FACING)));
    }

    @Override
    @Environment(EnvType.CLIENT)
    public float getAmbientOcclusionLightLevel(BlockState state, BlockView world, BlockPos pos) {
        return 1f;
    }

    @Override
    public boolean isTranslucent(BlockState state, BlockView world, BlockPos pos) {
        return true;
    }

    @Override
    public VoxelShape getVisualShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
        return VoxelShapes.empty();
    }

    @Override
    protected boolean registerItem() {
        return false;
    }

    public FieldProjectorBlockEntity findProjector(BlockView world, BlockPos pos, BlockState state) {
        Direction facing = state.get(FACING).getOpposite();
        FieldProjectorBlockEntity found = null;
        for (int i = 0; i < HardcodedConfig.FIELD_MAX_SIZE + 1; i++) {
            BlockPos targetPos = pos.offset(facing, i);
            BlockState targetState = world.getBlockState(targetPos);
            if (targetState.getBlock() == this) {
                if (!facing.equals(targetState.get(FACING).getOpposite())) {
                    break;
                }
            } else if (targetState == getProjectorBlockState().with(FACING, facing.getOpposite()).with(FieldProjectorBlock.POWERED, true)) {
                BlockEntity entity = world.getBlockEntity(targetPos);
                if (entity instanceof FieldProjectorBlockEntity) {
                    found = (FieldProjectorBlockEntity) entity;
                }
                break;
            } else {
                break;
            }
        }
        return found;
    }

    @Override
    public BlockState getStateForNeighborUpdate(BlockState state, Direction direction, BlockState newState, WorldAccess world, BlockPos pos, BlockPos posFrom) {
        BlockState defaultState = super.getStateForNeighborUpdate(state, direction, newState, world, pos, posFrom);
        Direction facing = state.get(FACING).getOpposite();
        if (direction.equals(facing)) {
            return findProjector(world, pos, state) != null ? defaultState : Blocks.AIR.getDefaultState();
        } else {
            return defaultState;
        }
    }

    @Override
    @Environment(EnvType.CLIENT)
    public boolean isSideInvisible(BlockState state, BlockState stateFrom, Direction direction) {
        return state.get(FACING).getOpposite() == direction || stateFrom == state || super.isSideInvisible(state, stateFrom, direction);
    }

    @Override
    public PistonBehavior getPistonBehavior(BlockState state) {
        return PistonBehavior.DESTROY;
    }

    @Override
    public VoxelShape getOutlineShape(BlockState state, BlockView world, BlockPos pos, ShapeContext context) {
        return collidable ? super.getOutlineShape(state, world, pos, context) : VoxelShapes.empty();
    }
}