Implement saving tower records

src/main/java/emu/nebula/game/tower/StarTowerManager.java

@@ -2,11 +2,14 @@ package emu.nebula.game.tower;
 
 import dev.morphia.annotations.Entity;
 import dev.morphia.annotations.Id;
+import emu.nebula.Nebula;
 import emu.nebula.data.GameData;
 import emu.nebula.database.GameDatabaseObject;
 import emu.nebula.game.player.Player;
 import emu.nebula.game.player.PlayerManager;
 import emu.nebula.proto.StarTowerApply.StarTowerApplyReq;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import lombok.Getter;
 
 @Getter
@@ -14,9 +17,10 @@ import lombok.Getter;
 public class StarTowerManager extends PlayerManager implements GameDatabaseObject {
     @Id
     private int uid;
-    private int lastBuildId;
     
+    private transient Int2ObjectMap<StarTowerBuild> builds;
     private transient StarTowerInstance instance;
+    private transient StarTowerBuild lastBuild;
     
     @Deprecated // Morphia only
     public StarTowerManager() {
@@ -30,8 +34,12 @@ public class StarTowerManager extends PlayerManager implements GameDatabaseObjec
         this.save();
     }
     
-    public int getNextBuildId() {
-        return ++this.lastBuildId;
+    public Int2ObjectMap<StarTowerBuild> getBuilds() {
+        if (this.builds == null) {
+            this.loadFromDatabase();
+        }
+        
+        return builds;
     }
     
     public StarTowerInstance apply(StarTowerApplyReq req) {
@@ -47,6 +55,11 @@ public class StarTowerManager extends PlayerManager implements GameDatabaseObjec
             return null;
         }
         
+        // Make sure player has at least 3 chars and 3 discs
+        if (formation.getCharCount() != 3 || formation.getDiscCount() < 3) {
+            return null;
+        }
+        
         // Create instance
         this.instance = new StarTowerInstance(this, data, formation, req);
         
@@ -55,12 +68,57 @@ public class StarTowerManager extends PlayerManager implements GameDatabaseObjec
     }
 
     public StarTowerInstance giveUp() {
+        // Cache instance
         var instance = this.instance;
         
         if (instance != null) {
+            // Set last build
+            this.lastBuild = instance.getBuild();
+            
+            // Clear instance
             this.instance = null;
         }
         
         return instance;
     }
+    
+    public boolean saveBuild(boolean delete, String name, boolean lock) {
+        // Sanity check
+        if (this.getLastBuild() == null) {
+            return false;
+        }
+        
+        // Cache build and clear reference
+        var build = this.lastBuild;
+        this.lastBuild = null;
+        
+        // Check if the player wants this build or not
+        if (delete) {
+            return true;
+        }
+        
+        // Check limit
+        if (this.getBuilds().size() >= 50) {
+            return false;
+        }
+        
+        // Add to builds
+        this.getBuilds().put(build.getUid(), build);
+        
+        // Save build to database
+        build.save();
+        
+        //
+        return true;
+    }
+    
+    // Database
+    
+    private void loadFromDatabase() {
+        this.builds = new Int2ObjectOpenHashMap<>();
+        
+        Nebula.getGameDatabase().getObjects(StarTowerBuild.class, "playerUid", getPlayerUid()).forEach(build -> {
+            this.builds.put(build.getUid(), build);
+        });
+    }
 }