Creating a Room Check System for RPG Games in Scratch
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RPGDeveloper_Max
Posted on July 28, 2025 • Intermediate
🏰 Need help with room system for my RPG
Hey everyone! I’m working on an RPG game in Scratch and I need to create a room detection system. Each room in my game uses a different background, and I want to be able to check which room the player is currently in.
I’m thinking of using a variable like CurrentRoom that gets set to different numbers for each room, but I’m not sure how to implement this properly.
What I need:
- A way to detect when the player enters a new room
- Set the room variable automatically when backgrounds change
- Use room checks to trigger room-specific events (NPCs, items, etc.)
- Make sure the system works reliably with multiple rooms
Any help with setting up a robust room management system would be amazing! 🗡️
RPGMaster_Quest
Replied 5 hours later • ⭐ Best Answer
Great question @RPGDeveloper_Max! Room systems are essential for RPG games. Here’s a comprehensive solution that will give you a professional room management system:
🗺️ Room System Architecture
Here’s how a proper room system works:
🔧 Step 1: Room System Setup
First, create the core room management system:
when flag clicked // Initialize room system set [current_room v] to [1] set [previous_room v] to [1] set [room_transition v] to [0] // Create room data lists delete all of [room_names v] delete all of [room_backgrounds v] delete all of [room_music v] // Add room data add [Starting Village] to [room_names v] add [village_background] to [room_backgrounds v] add [village_theme] to [room_music v] add [Dark Forest] to [room_names v] add [forest_background] to [room_backgrounds v] add [forest_theme] to [room_music v] add [Ancient Castle] to [room_names v] add [castle_background] to [room_backgrounds v] add [castle_theme] to [room_music v] // Initialize first room change room to (current_room) :: custom
🚪 Step 2: Room Transition System
Create smooth transitions between rooms:
// Room transition triggers when flag clicked forever // Check for room exits if <<(x position) > [230]> and <(current_room) = [1]>> then // Exit right from village to forest transition to room [2] from [right] :: custom end if <<(x position) < [-230]> and <(current_room) = [2]>> then // Exit left from forest to village transition to room [1] from [left] :: custom end if <<(y position) > [170]> and <(current_room) = [2]>> then // Exit up from forest to castle transition to room [3] from [up] :: custom end end // Custom block: Room transition define transition to room (room_number) from (direction) if <(room_transition) = [0]> then set [room_transition v] to [1] set [previous_room v] to (current_room) set [current_room v] to (room_number) // Fade out effect repeat [10] change [ghost v] effect by [10] end // Change room change room to (room_number) :: custom // Position player at entry point position player from (direction) :: custom // Fade in effect repeat [10] change [ghost v] effect by [-10] end set [room_transition v] to [0] end
🎨 Step 3: Room Loading System
Load room-specific content:
// Custom block: Change room define change room to (room_number) // Switch background switch backdrop to (item (room_number) of [room_backgrounds v]) // Play room music stop all sounds play sound (item (room_number) of [room_music v]) until done // Update room display set [room_name v] to (item (room_number) of [room_names v]) // Broadcast room-specific events if <(room_number) = [1]> then broadcast [enter village v] else if <(room_number) = [2]> then broadcast [enter forest v] else if <(room_number) = [3]> then broadcast [enter castle v] end end end // Custom block: Position player from direction define position player from (direction) if <(direction) = [right]> then go to x: [-200] y: [0] else if <(direction) = [left]> then go to x: [200] y: [0] else if <(direction) = [up]> then go to x: [0] y: [-150] else if <(direction) = [down]> then go to x: [0] y: [150] end end end end
🎯 Step 4: Room-Specific Events
Handle different room behaviors:
// Village events when I receive [enter village v] // Show village NPCs broadcast [show shopkeeper v] broadcast [show villagers v] // Hide forest/castle objects broadcast [hide enemies v] broadcast [hide treasure v] // Forest events when I receive [enter forest v] // Show forest enemies broadcast [spawn forest enemies v] // Hide village NPCs broadcast [hide villagers v] // Show forest items broadcast [show forest items v] // Castle events when I receive [enter castle v] // Show castle guards broadcast [spawn castle guards v] // Show treasure chests broadcast [show treasure chests v] // Play dramatic music play sound [castle_boss_theme v] until done
🔍 Step 5: Room Check Functions
Easy ways to check current room:
// Check if in specific room define if in room (room_number) if <(current_room) = (room_number)> then // Room-specific code here return [true] else return [false] end // Check room type define get room type if <(current_room) = [1]> then set [room_type v] to [town] else if <(current_room) = [2]> then set [room_type v] to [wilderness] else if <(current_room) = [3]> then set [room_type v] to [dungeon] end end end // Example usage: when [space v] key pressed if <(current_room) = [1]> then say [Welcome to the village!] for (2) seconds else if <(current_room) = [2]> then say [The forest is dangerous...] for (2) seconds else if <(current_room) = [3]> then say [You've entered the castle!] for (2) seconds end end end
💾 Step 6: Save Room Progress
Remember player’s location:
// Save game progress define save game set [saved_room v] to (current_room) set [saved_x v] to (x position) set [saved_y v] to (y position) say [Game saved!] for (1) seconds // Load game progress define load game if <(saved_room) > [0]> then set [current_room v] to (saved_room) change room to (saved_room) :: custom go to x: (saved_x) y: (saved_y) say [Game loaded!] for (1) seconds end
This system gives you complete control over room management and makes it easy to add new rooms or modify existing ones! 🏰✨
RPGDeveloper_Max
Replied 2 hours later
@RPGMaster_Quest This is incredible! 🤩 Way more comprehensive than I expected!
I implemented your room system and it works perfectly. The transitions are smooth, and the room-specific events make my game feel so much more professional. The save/load system is a great bonus too!
Thank you for such a detailed explanation! 🙏
AdventureDesigner
Replied 3 hours later
Excellent room system! 👏 Here are some additional features you might want to add:
- Room minimap: Show a small map indicating current room
- Room descriptions: Display flavor text when entering new areas
- Conditional exits: Lock certain rooms until player meets requirements
- Random encounters: Different encounter rates per room type
This foundation makes it easy to add these advanced features later! 🗺️
Vibelf_Community
Pinned Message • Moderator
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