minecraft-src/net/minecraft/commands/arguments/coordinates/Vec2Argument.java
2025-07-04 01:41:11 +03:00

81 lines
3.2 KiB
Java

package net.minecraft.commands.arguments.coordinates;
import com.mojang.brigadier.StringReader;
import com.mojang.brigadier.arguments.ArgumentType;
import com.mojang.brigadier.context.CommandContext;
import com.mojang.brigadier.exceptions.CommandSyntaxException;
import com.mojang.brigadier.exceptions.SimpleCommandExceptionType;
import com.mojang.brigadier.suggestion.Suggestions;
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.CompletableFuture;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.SharedSuggestionProvider;
import net.minecraft.network.chat.Component;
import net.minecraft.world.phys.Vec2;
import net.minecraft.world.phys.Vec3;
public class Vec2Argument implements ArgumentType<Coordinates> {
private static final Collection<String> EXAMPLES = Arrays.asList("0 0", "~ ~", "0.1 -0.5", "~1 ~-2");
public static final SimpleCommandExceptionType ERROR_NOT_COMPLETE = new SimpleCommandExceptionType(Component.translatable("argument.pos2d.incomplete"));
private final boolean centerCorrect;
public Vec2Argument(boolean centerCorrect) {
this.centerCorrect = centerCorrect;
}
public static Vec2Argument vec2() {
return new Vec2Argument(true);
}
public static Vec2Argument vec2(boolean centerCorrect) {
return new Vec2Argument(centerCorrect);
}
public static Vec2 getVec2(CommandContext<CommandSourceStack> context, String name) {
Vec3 vec3 = context.<Coordinates>getArgument(name, Coordinates.class).getPosition(context.getSource());
return new Vec2((float)vec3.x, (float)vec3.z);
}
public Coordinates parse(StringReader reader) throws CommandSyntaxException {
int i = reader.getCursor();
if (!reader.canRead()) {
throw ERROR_NOT_COMPLETE.createWithContext(reader);
} else {
WorldCoordinate worldCoordinate = WorldCoordinate.parseDouble(reader, this.centerCorrect);
if (reader.canRead() && reader.peek() == ' ') {
reader.skip();
WorldCoordinate worldCoordinate2 = WorldCoordinate.parseDouble(reader, this.centerCorrect);
return new WorldCoordinates(worldCoordinate, new WorldCoordinate(true, 0.0), worldCoordinate2);
} else {
reader.setCursor(i);
throw ERROR_NOT_COMPLETE.createWithContext(reader);
}
}
}
@Override
public <S> CompletableFuture<Suggestions> listSuggestions(CommandContext<S> commandContext, SuggestionsBuilder suggestionsBuilder) {
if (!(commandContext.getSource() instanceof SharedSuggestionProvider)) {
return Suggestions.empty();
} else {
String string = suggestionsBuilder.getRemaining();
Collection<SharedSuggestionProvider.TextCoordinates> collection;
if (!string.isEmpty() && string.charAt(0) == '^') {
collection = Collections.singleton(SharedSuggestionProvider.TextCoordinates.DEFAULT_LOCAL);
} else {
collection = ((SharedSuggestionProvider)commandContext.getSource()).getAbsoluteCoordinates();
}
return SharedSuggestionProvider.suggest2DCoordinates(string, collection, suggestionsBuilder, Commands.createValidator(this::parse));
}
}
@Override
public Collection<String> getExamples() {
return EXAMPLES;
}
}