RTStrucures Framework
ModA library focused on RTS structures mechanics
Type
Mod
Modrinth Downloads
16
Modrinth ID
EIhX9GCf
Last Updated
May 14, 2026
Description
This mod provides functional for RTS multiblock structures. It also can be used as a structure copy/paste
In-game functions
- Save structures
- Paste structures
To save structure you need structure tool - use /give or operator tab;
Right click - position 1;
Left click - position 2;
Shift + right click - anchor position
CTRL + mouse click - expand area (can be changed in keybinds)
Shift + left click - placement anchor
/rtstrucutres save - saves structure
/rtstrucutres load - pre-loads structure + displays paste box
/rtstrucutres execute <build_type> - pastes pre-loaded structure in world
/rtstrucutres execload <build_type> - pastes structure in world
/rtstrucutres toggle_boxes <true/false> - alway display tool selection area
Mod-Developer functions
Installation Guide
repositories { maven { url = "https://api.modrinth.com/maven" } } dependencies { implementation "maven.modrinth:rtstrucures-framework:0.1.4" }Mod Guide
Here is the example of /execload command
ServerLevel level = ctx.getSource().getLevel(); String filename = "house"; Path worldDir = level.getServer().getWorldPath(LevelResource.ROOT); StructureTemplate template = StructureCache.get(worldDir, filename); BlockPos anchorPos = StructureToolState.placeAnchor; // Place position PlacementAnchor anchorMode = PlacementAnchor.CUSTOM; // Recommended to use custom anchor StructureInstance instance = new StructureInstance(level, template, anchorPos, anchorMode); StructureManager.add(instance); instance.build(BuildType.FAST, 2.0f); // Execute in the world; Layer-by layer buildingStructureInstance class provides more methods for structure management;
Basic Usage
Saving Structure
StructureTemplate template = StructureCapture.capture(level, pos1, pos2, customAnchor); Path path = worldDir.resolve("generated/rtstructures/house.rtstructure"); StructureSerializer.save(template, path);Loading Structure
Path path = worldDir.resolve("generated/rtstructures/house.rtstructure"); StructureTemplate template = StructureDeserializer.load(path);Register Structure
StructureManager.add(instance);Start Building
instance.build(BuildType.FAST,10);- BuildType = construction logic
- speed = blocks per tick
Validation System
Check Damage
boolean damaged = instance.isDamaged();Completion Percent
float percent = instance.getCompletionPercent();Damage Percent
float percent = instance.getDamagePercent();Full Validation Result
ValidationResult result = instance.validate();Build Modes
WARNING! If structure won't be able to finish constructing, it will infinitly tick. Be aware of it (max steps amount will be added in next version)
FAST
Instant layered building
- fast
- unrestricted
- replaces blocks
Best for:
- debugging
- cinematic building
- RTS instant construction
FAST_SAFE
Layered building without replacing existing blocks
- preserves world
- safer placement
- slower completion
Best for:
- survival gameplay
- protected worlds
CONNECT
Builds only connected blocks
- realistic propagation
- support-dependent
- may stall if disconnected
Best for:
- RTS simulation
- organic building systems
SEPARATED
Growth-style construction from anchor
- spreading build effect
- directional expansion
- organic appearance
Best for:
- alien structures
- plant-like construction
- visual effects
SEPARATED_DIAGONAL
Just like SEPARATED but corner blocks are used as anchor too
DEMOLISH
Demolished structure from top to bottom
Advanced Usage (0.1.4+)
Registering Structure
Mod provides DefferedRegistered structure
public final class StructuresInit { private StructuresInit() {} public static final DeferredRegister<StructureType> STRUCTURES = DeferredRegister.create(RTSRegistries.STRUCTURES, RTStructureFramework.MOD_ID); public static final Supplier<StructureType> SIMPLE_HOUSE = STRUCTURES.register("simple_house", SimpleHouseStructure::new); public static final Supplier<StructureType> AIRFIELD = STRUCTURES.register("airfield", AirfieldStructure::new); public static final Supplier<StructureType> CRYSTAL = STRUCTURES.register("crystal", CrystalStructure::new); public static final Supplier<StructureType> PROTECTED_STRUCTURE = STRUCTURES.register("protected_structure", ProtectedStructure::new); public static void register(IEventBus bus) { STRUCTURES.register(bus); } }Structure class
public class SimpleHouseStructure extends StructureType { public SimpleHouseStructure() { super("simple_house", StructureProperties.create() // Structure file .modPath("basic/simple_house", RTStructureFramework.MOD_ID) // In your resources/data/mod_id/... // Default placement .defaultAnchor(PlacementAnchor.CENTER) // Default build behavior .defaultBuildType(BuildType.FAST) .defaultBuildSpeed(2f) // Validation .damagedThreshold(0.15f) .destroyedThreshold(0.5f) ); } }Library provides some methods for management
public void onCompleted(StructureInstance instance) {} public void onDamaged(StructureInstance instance) {} public void onDestroyed(StructureInstance instance) {} public void onDemolished(StructureInstance instance) {}Example usage:
public class AirfieldStructure extends StructureType { private int productionTick; public AirfieldStructure() { super("airfield", StructureProperties.create() .modPath("basic/airfield", RTStructureFramework.MOD_ID) .defaultAnchor(PlacementAnchor.CENTER) .defaultBuildType(BuildType.FAST) .defaultBuildSpeed(3f) .damagedThreshold(0.2f) .destroyedThreshold(0.6f) ); } @Override public void onCompleted(StructureInstance instance) { System.out.println("[RTS] Airfield completed"); } @Override public void onTick(StructureInstance instance) { if (!instance.isCompleted()) return; productionTick++; if (productionTick >= 100) { productionTick = 0; System.out.println("[RTS] Kirov reporting..."); // Do your stuff. E.g spawn unit } } @Override public void onDestroyed(StructureInstance instance) { System.out.println("[RTS] Airfield destroyed!"); } }Spawning structure
StructureInstance instance = StructuresInit.AIRFIELD.get().create(level, anchorPos); StructureManager.add(instance); instance.build();Warning!
StructureManager.add(instance); Actually creates your structure class;
instance.build(); just constructs your structure;
If you need to remove your structure use instance.destroy(); (warning! could call stackoverflow)
Example of usage:
public class CrystalStructure extends StructureType { public CrystalStructure() { super("crystal", StructureProperties.create() .modPath("crystal", RTStructureFramework.MOD_ID) .defaultBuildType(BuildType.FAST) .defaultBuildSpeed(1f) .defaultAnchor(PlacementAnchor.CUSTOM) .damagedThreshold(0.05f) .destroyedThreshold(0.8f) ); } @Override public void onTick(StructureInstance instance) { if (instance.isDamaged()) { if (!instance.isBuilding()) { instance.build(BuildType.FAST, 0.5f); } } } @Override public void onDestroyed(StructureInstance instance) { if (instance.getDamagePercent() >= 0.95f) { instance.destroy(); } } @Override public void onCompleted(StructureInstance instance) { System.out.println(instance.debugInfo()); } }This description will be scratched to a normal mod description. For documentation view github wiki
Compatibility
Mod Loaders
Game Versions
Screenshots
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