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RollCommand.java
111 lines (101 loc) · 3.18 KB
/
RollCommand.java
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/**
* Copyright 2015-2016 Austin Keener
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.dv8tion.discord.commands;
import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
import java.util.Arrays;
import java.util.List;
import java.util.Random;
public class RollCommand extends Command
{
private final Random dice = new Random();
@Override
public void onCommand(MessageReceivedEvent e, String[] args)
{
int lowerBound;
int upperBound;
int roll;
if (args.length == 1)
{
lowerBound = 1;
upperBound = 6;
}
else if (args.length == 2)
{
lowerBound = 1;
try
{
upperBound = Integer.parseInt(args[1]);
}
catch (NumberFormatException ex)
{
sendMessage(e, "The provided upperbound is not an integer! Provided value: " + args[1]);
return;
}
}
else
{
try
{
lowerBound = Integer.parseInt(args[1]);
}
catch (NumberFormatException ex)
{
sendMessage(e, "The provided lowerBound is not an integer! Provided value: " + args[1]);
return;
}
try
{
upperBound = Integer.parseInt(args[2]);
}
catch (NumberFormatException ex)
{
sendMessage(e, "The provided upperBound is not an integer! Provided value: " + args[2]);
return;
}
}
//Instead of erroring when the upper and lower are out of order, just flip them.
if (lowerBound > upperBound)
{
int temp = upperBound;
upperBound = lowerBound;
lowerBound = temp;
}
roll = dice.nextInt(upperBound - lowerBound) + lowerBound;
sendMessage(e, "Rolled dice with range of [" + lowerBound + " - " + upperBound + "] and got: **" + roll + "**");
}
@Override
public List<String> getAliases()
{
return Arrays.asList(".roll", ".dice");
}
@Override
public String getDescription()
{
return "Rolls the dice and produces a random value.";
}
@Override
public String getName()
{
return "Dice Roll";
}
@Override
public List<String> getUsageInstructions()
{
return Arrays.asList("\n`.roll` - Returns a roll of a 6 sided die (1 - 6)\n\n" +
"`.roll [upperLimit]` - Returns a roll of [1 - upperLimit]\n\n" +
"`.roll [lowerLimit] [upperLimit]` - Returns a roll of [lower - upper]");
}
}