Added support for CraftTweaker again.

src/main/java/net/darkhax/gamestages/addons/crt/ExpandPlayer.java

@@ -0,0 +1,58 @@
+package net.darkhax.gamestages.addons.crt;
+
+import com.blamejared.crafttweaker.api.annotation.ZenRegister;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.player.Player;
+import org.openzen.zencode.java.ZenCodeType;
+
+import net.darkhax.gamestages.GameStageHelper;
+
+@ZenRegister
+@ZenCodeType.Expansion("crafttweaker.api.entity.type.player.Player")
+public class ExpandPlayer {
+
+    @ZenCodeType.Method
+    public static void addGameStage (Player player, String stage) {
+
+        if (player instanceof ServerPlayer) {
+
+            GameStageHelper.addStage((ServerPlayer) player, stage);
+        }
+    }
+
+    @ZenCodeType.Method
+    public static void removeGameStage (Player player, String stage) {
+
+        if (player instanceof ServerPlayer) {
+
+            GameStageHelper.removeStage((ServerPlayer) player, stage);
+        }
+    }
+
+    @ZenCodeType.Method
+    public static void clearGameStages (Player player) {
+
+        if (player instanceof ServerPlayer) {
+
+            GameStageHelper.clearStages((ServerPlayer) player);
+        }
+    }
+
+    @ZenCodeType.Method
+    public static boolean hasGameStage (Player player, String stage) {
+
+        return GameStageHelper.hasStage(player, stage);
+    }
+
+    @ZenCodeType.Method
+    public static boolean hasAnyGameStages (Player player, String... stage) {
+
+        return GameStageHelper.hasAnyOf(player, stage);
+    }
+
+    @ZenCodeType.Method
+    public static boolean hasAllGameStages (Player player, String... stage) {
+
+        return GameStageHelper.hasAllOf(player, stage);
+    }
+}