/*
 * Copyright (c) 2019-2025 GeyserMC. http://geysermc.org
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 *
 * @author GeyserMC
 * @link https://github.com/GeyserMC/Geyser
 */

package org.geysermc.geyser.translator.collision.fixes;

import lombok.EqualsAndHashCode;
import org.geysermc.geyser.level.block.property.Properties;
import org.geysermc.geyser.level.block.type.BlockState;
import org.geysermc.geyser.level.physics.BoundingBox;
import org.geysermc.geyser.level.physics.Direction;
import org.geysermc.geyser.session.GeyserSession;
import org.geysermc.geyser.translator.collision.BlockCollision;
import org.geysermc.geyser.translator.collision.CollisionRemapper;

@EqualsAndHashCode(callSuper = true)
@CollisionRemapper(regex = "_trapdoor$", usesParams = true, passDefaultBoxes = true)
public class TrapdoorCollision extends BlockCollision {
    private final Direction facing;

    public TrapdoorCollision(BlockState state, BoundingBox[] defaultBoxes) {
        super(defaultBoxes);
        if (state.getValue(Properties.OPEN)) {
            facing = state.getValue(Properties.HORIZONTAL_FACING);
        } else {
            if (state.getValue(Properties.HALF).equals("bottom")) {
                facing = Direction.UP;
            } else {
                facing = Direction.DOWN;
            }
        }
    }

    @Override
    protected void correctPosition(GeyserSession session, int x, int y, int z, BoundingBox blockCollision, BoundingBox playerCollision, double ulpX, double ulpZ) {
        // Check for trapdoor bug (trapdoors are 0.1875 blocks thick on Java but 0.1825 blocks thick on Bedrock)
        final double maxPushDistance = 0.005 + (facing == Direction.EAST || facing == Direction.WEST ? ulpX : ulpZ);
        blockCollision.pushOutOfBoundingBox(playerCollision, facing, maxPushDistance);
    }
}
