DBhandler created for templates

src/engine/db/handlers/dbZoneHandler.java

@@ -11,7 +11,9 @@ package engine.db.handlers;
 
 import engine.Enum;
 import engine.gameManager.DbManager;
+import engine.gameManager.ZoneManager;
 import engine.objects.Zone;
+import engine.objects.ZoneTemplate;
 import org.pmw.tinylog.Logger;
 
 import java.sql.Connection;
@@ -66,6 +68,24 @@ public class dbZoneHandler extends dbHandlerBase {
         return zone;
     }
 
+    public void LOAD_ALL_ZONE_TEMPLATES() {
+
+        try (Connection connection = DbManager.getConnection();
+             PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM static_building_blueprint")) {
+
+            ResultSet rs = preparedStatement.executeQuery();
+
+            while (rs.next()) {
+                ZoneTemplate zoneTemplate = new ZoneTemplate(rs);
+                ZoneManager._zone_templates.put(zoneTemplate.templateID, zoneTemplate);
+            }
+
+        } catch (SQLException e) {
+            Logger.error(e);
+        }
+
+    }
+
     public boolean DELETE_ZONE(final Zone zone) {
 
         try (Connection connection = DbManager.getConnection();