Fixed backward compatibility on 1.12 for particles.

Author: prosavage

src/main/java/com/massivecraft/factions/cmd/CmdSeeChunk.java

@@ -124,7 +124,14 @@ private void showPillar(Player player, World world, int blockX, int blockZ) {
             }
             if (useParticles) {
                 if (P.p.useNonPacketParticles) {
-                    player.spawnParticle(Particle.REDSTONE, loc, 0, new Particle.DustOptions(Color.RED, 1));
+                    // Dust options only exists in the 1.13 API, so we use an
+                    // alternative method to achieve this in lower versions.
+                    if (P.p.mc113) {
+                        player.spawnParticle(Particle.REDSTONE, loc, 0, new Particle.DustOptions(Color.RED, 1));
+                    } else {
+                        player.getWorld().spawnParticle(Particle.REDSTONE, loc, 0, 255, 0, 0, 1);
+                    }
+
                 } else {
                     this.effect.display(0, 0, 0, 0, 1, loc, player);
                 }