Grasscutter/src/main/java/emu/grasscutter/scripts/data/SceneRegion.java

package emu.grasscutter.scripts.data;

import emu.grasscutter.scripts.constants.ScriptRegionShape;
import emu.grasscutter.utils.Position;
import lombok.Setter;

import java.util.List;

@Setter
public class SceneRegion {
    public int config_id;
    public int shape;
    public Position pos;
    // for CUBIC
    public Position size;
    // for SPHERE
    public int radius;
    public int area_id;
    public float height;
    public List<Position> point_array;

    public transient SceneGroup group;

    /**
     * @return The group ID for this region.
     */
    public int getGroupId() {
        return this.group == null ? -1 : this.group.id;
    }

    public boolean contains(Position position) {
        switch (shape) {
            case ScriptRegionShape.CUBIC:
                return (Math.abs(pos.getX() - position.getX()) <= size.getX())
                        && (Math.abs(pos.getY() - position.getY()) <= size.getY())
                        && (Math.abs(pos.getZ() - position.getZ()) <= size.getZ());
            case ScriptRegionShape.SPHERE:
                var x = Math.pow(pos.getX() - position.getX(), 2);
                var y = Math.pow(pos.getY() - position.getY(), 2);
                var z = Math.pow(pos.getZ() - position.getZ(), 2);
                // ^ means XOR in java!
                return x + y + z <= (radius * radius);
        }
        return false;
    }

    /**
     * Checks if two regions are the same.
     *
     * @param region The region to compare to.
     * @return True if the regions are the same, false otherwise.
     */
    public boolean equals(SceneRegion region) {
        return this.config_id == region.config_id
                && this.shape == region.shape
                && this.pos.equals(region.pos)
                && this.size.equals(region.size)
                && this.radius == region.radius
                && this.area_id == region.area_id
                && this.height == region.height
                && this.point_array.equals(region.point_array);
    }
}