69 lines
2.3 KiB
Java
69 lines
2.3 KiB
Java
package carpet.helpers;
|
|
|
|
import com.mojang.brigadier.StringReader;
|
|
import com.mojang.brigadier.exceptions.CommandSyntaxException;
|
|
import net.minecraft.command.argument.ParticleEffectArgumentType;
|
|
import net.minecraft.particle.ParticleEffect;
|
|
import net.minecraft.server.network.ServerPlayerEntity;
|
|
import net.minecraft.server.world.ServerWorld;
|
|
import net.minecraft.util.math.Vec3d;
|
|
|
|
import java.util.HashMap;
|
|
import java.util.Map;
|
|
|
|
public class ParticleDisplay
|
|
{
|
|
private static Map<String, ParticleEffect> particleCache = new HashMap<>();
|
|
|
|
private static ParticleEffect parseParticle(String name)
|
|
{
|
|
try
|
|
{
|
|
return ParticleEffectArgumentType.readParameters(new StringReader(name));
|
|
}
|
|
catch (CommandSyntaxException e)
|
|
{
|
|
throw new RuntimeException("No such particle: "+name);
|
|
}
|
|
}
|
|
public static ParticleEffect getEffect(String name)
|
|
{
|
|
if (name == null) return null;
|
|
ParticleEffect res = particleCache.get(name);
|
|
if (res != null) return res;
|
|
particleCache.put(name, parseParticle(name));
|
|
return particleCache.get(name);
|
|
}
|
|
|
|
public static void drawParticleLine(ServerPlayerEntity player, Vec3d from, Vec3d to, String main, String accent, int count, double spread)
|
|
{
|
|
ParticleEffect accentParticle = getEffect(accent);
|
|
ParticleEffect mainParticle = getEffect(main);
|
|
|
|
if (accentParticle != null) ((ServerWorld)player.world).spawnParticles(
|
|
player,
|
|
accentParticle,
|
|
true,
|
|
to.x, to.y, to.z, count,
|
|
spread, spread, spread, 0.0);
|
|
|
|
double lineLengthSq = from.squaredDistanceTo(to);
|
|
if (lineLengthSq == 0) return;
|
|
|
|
Vec3d incvec = to.subtract(from).normalize();// multiply(50/sqrt(lineLengthSq));
|
|
int pcount = 0;
|
|
for (Vec3d delta = new Vec3d(0.0,0.0,0.0);
|
|
delta.lengthSquared()<lineLengthSq;
|
|
delta = delta.add(incvec.multiply(player.world.random.nextFloat())))
|
|
{
|
|
((ServerWorld)player.world).spawnParticles(
|
|
player,
|
|
mainParticle,
|
|
true,
|
|
delta.x+from.x, delta.y+from.y, delta.z+from.z, 1,
|
|
0.0, 0.0, 0.0, 0.0);
|
|
}
|
|
}
|
|
|
|
}
|