feat: add world_time_(12|24)

src/main/java/at/helpch/placeholderapi/expansion/player/PlayerExpansion.java

@@ -3,6 +3,7 @@ package at.helpch.placeholderapi.expansion.player;
 import at.helpch.placeholderapi.expansion.player.util.ItemUtil;
 import at.helpch.placeholderapi.expansion.player.ping.PingFormatter;
 import at.helpch.placeholderapi.expansion.player.util.PlayerUtil;
+import at.helpch.placeholderapi.expansion.player.util.TimeUtil;
 import at.helpch.placeholderapi.expansion.player.util.VersionHelper;
 import com.google.common.collect.ImmutableMap;
 import me.clip.placeholderapi.PlaceholderAPIPlugin;
@@ -280,9 +281,8 @@ public final class PlayerExpansion extends PlaceholderExpansion implements Confi
             case "world_time":
                 return String.valueOf(player.getWorld().getTime());
             case "world_time_12":
-                return null; // TODO world_time_12
             case "world_time_24":
-                return null; // TODO world_time_24
+                return TimeUtil.formatWorldTime(player.getWorld().getTime(), params.equals("world_time_24"));
             case "weather_duration":
                 return String.valueOf(player.getWorld().getWeatherDuration());
             case "thunder_duration":

src/main/java/at/helpch/placeholderapi/expansion/player/util/TimeUtil.java

@@ -0,0 +1,19 @@
+package at.helpch.placeholderapi.expansion.player.util;
+
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+
+public final class TimeUtil {
+
+    private static final LocalTime SIX_O_CLOCK = LocalTime.of(6, 0);
+    private static final double MINECRAFT_SECONDS_PER_TICK = 3.6d;
+
+    private static final DateTimeFormatter TWENTY_FOUR_FORMAT = DateTimeFormatter.ofPattern("HH:mm");
+    private static final DateTimeFormatter TWELVE_FORMAT = DateTimeFormatter.ofPattern("hh:mm a");
+
+    public static String formatWorldTime(final long ticks, final boolean twentyFourHourFormat) {
+        final LocalTime time = SIX_O_CLOCK.plusSeconds((long) (ticks * MINECRAFT_SECONDS_PER_TICK));
+        return time.format(twentyFourHourFormat ? TWENTY_FOUR_FORMAT : TWELVE_FORMAT);
+    }
+
+}