Refactor game server managers to systems

src/main/java/emu/grasscutter/game/tower/TowerSystem.java

@@ -0,0 +1,90 @@
+package emu.grasscutter.game.tower;
+
+import emu.grasscutter.Grasscutter;
+import emu.grasscutter.data.DataLoader;
+import emu.grasscutter.data.GameData;
+import emu.grasscutter.data.excels.TowerScheduleData;
+import emu.grasscutter.server.game.BaseGameSystem;
+import emu.grasscutter.server.game.GameServer;
+
+import java.io.FileReader;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.util.ArrayList;
+import java.util.List;
+
+import static emu.grasscutter.Configuration.*;
+
+public class TowerSystem extends BaseGameSystem {
+    
+    public TowerSystem(GameServer server) {
+        super(server);
+        this.load();
+    }
+
+    private TowerScheduleConfig towerScheduleConfig;
+
+    public synchronized void load(){
+        try (Reader fileReader = new InputStreamReader(DataLoader.load("TowerSchedule.json"))) {
+            towerScheduleConfig = Grasscutter.getGsonFactory().fromJson(fileReader, TowerScheduleConfig.class);
+        } catch (Exception e) {
+            Grasscutter.getLogger().error("Unable to load tower schedule config.", e);
+        }
+    }
+
+    public TowerScheduleConfig getTowerScheduleConfig() {
+        return towerScheduleConfig;
+    }
+
+    public TowerScheduleData getCurrentTowerScheduleData(){
+        var data = GameData.getTowerScheduleDataMap().get(towerScheduleConfig.getScheduleId());
+        if(data == null){
+            Grasscutter.getLogger().error("Could not get current tower schedule data by schedule id {}, please check your resource files",
+                    towerScheduleConfig.getScheduleId());
+        }
+        
+        return data;
+    }
+
+    public List<Integer> getAllFloors() {
+        List<Integer> floors = new ArrayList<>(this.getCurrentTowerScheduleData().getEntranceFloorId());
+        floors.addAll(this.getScheduleFloors());
+        return floors;
+    }
+
+    public List<Integer> getScheduleFloors() {
+        return getCurrentTowerScheduleData().getSchedules().get(0).getFloorList();
+    }
+
+    public int getNextFloorId(int floorId){
+        var entranceFloors = getCurrentTowerScheduleData().getEntranceFloorId();
+        var scheduleFloors = getScheduleFloors();
+        var nextId = 0;
+        
+        // find in entrance floors first
+        for(int i=0;i<entranceFloors.size()-1;i++){
+            if(floorId == entranceFloors.get(i)){
+                nextId = entranceFloors.get(i+1);
+            }
+        }
+        
+        if(floorId == entranceFloors.get(entranceFloors.size()-1)){
+            nextId = scheduleFloors.get(0);
+        }
+        
+        if(nextId != 0){
+            return nextId;
+        }
+        
+        // find in schedule floors
+        for(int i=0; i < scheduleFloors.size() - 1; i++){
+            if(floorId == scheduleFloors.get(i)){
+                nextId = scheduleFloors.get(i + 1);
+            }
+        }return nextId;
+    }
+
+    public Integer getLastEntranceFloor() {
+        return getCurrentTowerScheduleData().getEntranceFloorId().get(getCurrentTowerScheduleData().getEntranceFloorId().size() - 1);
+    }
+}