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Implements #42
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package net.knarcraft.minigames.command;
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import net.knarcraft.minigames.config.DropperConfiguration;
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import org.bukkit.Location;
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import org.bukkit.Material;
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import org.bukkit.command.CommandExecutor;
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import org.bukkit.entity.Player;
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import org.jetbrains.annotations.NotNull;
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/**
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* An abstract arena edit command, implementing input validation
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*/
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public abstract class EditArenaCommand implements CommandExecutor {
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private final DropperConfiguration configuration;
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/**
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* Instantiates a new edit arena command
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*
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* @param configuration <p>The configuration to use</p>
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*/
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public EditArenaCommand(DropperConfiguration configuration) {
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this.configuration = configuration;
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}
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/**
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* Parses the specified max players
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*
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* @param maxPlayers <p>The max players string to parse</p>
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* @return <p>The parsed value, or -1 if not parse-able</p>
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*/
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protected int parseMaxPlayers(@NotNull String maxPlayers) {
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try {
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return Integer.parseInt(maxPlayers);
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} catch (NumberFormatException exception) {
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return -1;
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}
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}
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/**
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* Sanitizes the player's specified vertical velocity
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*
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* @param velocityString <p>The string to parse into a velocity</p>
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* @return <p>The parsed velocity, defaulting to 0.5 if not parse-able</p>
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*/
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protected double sanitizeVerticalVelocity(@NotNull String velocityString) {
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// Vertical velocity should not be negative, as it would make the player go upwards. There is technically not a
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// max speed limit, but setting it too high makes the arena unplayable
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double velocity;
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try {
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velocity = Double.parseDouble(velocityString);
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} catch (NumberFormatException exception) {
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velocity = configuration.getVerticalVelocity();
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}
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// Require at least speed of 0.001, and at most 75 blocks/s
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return Math.min(Math.max(velocity, 0.001), 75);
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}
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/**
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* Sanitizes the user's specified horizontal velocity
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*
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* @param velocityString <p>The string to parse into a velocity</p>
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* @return <p>The parsed velocity, defaulting to 1 if not parse-able</p>
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*/
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protected float sanitizeHorizontalVelocity(@NotNull String velocityString) {
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// Horizontal velocity is valid between -1 and 1, where negative values swaps directions
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float velocity;
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try {
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velocity = Float.parseFloat(velocityString);
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} catch (NumberFormatException exception) {
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velocity = configuration.getHorizontalVelocity();
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}
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// If outside bonds, choose the most extreme value
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return Math.min(Math.max(0.1f, velocity), 1);
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}
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/**
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* Parses the given location string
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*
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* @param player <p>The player changing a location</p>
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* @param locationString <p>The location string to parse</p>
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* @return <p>The parsed location, or the player's location if not parse-able</p>
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*/
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protected @NotNull Location parseLocation(Player player, String locationString) {
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if ((locationString.trim() + ",").matches("([0-9]+.?[0-9]*,){3}")) {
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String[] parts = locationString.split(",");
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Location newLocation = player.getLocation().clone();
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newLocation.setX(Double.parseDouble(parts[0].trim()));
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newLocation.setY(Double.parseDouble(parts[1].trim()));
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newLocation.setZ(Double.parseDouble(parts[2].trim()));
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return newLocation;
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} else {
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return player.getLocation().clone();
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}
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}
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/**
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* Parses the given material name
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*
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* @param materialName <p>The material name to parse</p>
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* @return <p>The parsed material, or AIR if not valid</p>
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*/
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protected @NotNull Material parseMaterial(String materialName) {
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Material material = Material.matchMaterial(materialName);
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if (material == null) {
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material = Material.AIR;
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}
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return material;
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}
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}
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