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Add ComputerCraft Lua functions to retrieve train information from the station #8491

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Add ComputerCraft Lua functions to retrieve train information from the station #8491

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f7abb83
Add Lua functions to retrieve train information from the station
ajh123 May 15, 2025
da96ef6
Fix code style in null checks for trains, also use the correct get tr…
ajh123 May 17, 2025
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41 changes: 41 additions & 0 deletions ...om/simibubi/create/compat/computercraft/implementation/peripherals/StationPeripheral.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@

import javax.annotation.Nullable;

import com.simibubi.create.content.trains.graph.DimensionPalette;

import org.jetbrains.annotations.NotNull;

import com.simibubi.create.AllPackets;
Expand Down Expand Up @@ -102,6 +104,19 @@ public final boolean isTrainPresent() throws LuaException {
return station.getPresentTrain() != null;
}

@LuaFunction
public final CreateLuaTable getPresentTrain() throws LuaException {
GlobalStation station = blockEntity.getStation();
if (station == null)
throw new LuaException("station is not connected to a track");

if (station.getPresentTrain() == null)
return null;

DimensionPalette dimensions = new DimensionPalette();
return fromCompoundTag(station.getPresentTrain().write(dimensions));
}

@LuaFunction
public final boolean isTrainImminent() throws LuaException {
GlobalStation station = blockEntity.getStation();
Expand All @@ -111,6 +126,19 @@ public final boolean isTrainImminent() throws LuaException {
return station.getImminentTrain() != null;
}

@LuaFunction
public final CreateLuaTable getImminentTrain() throws LuaException {
GlobalStation station = blockEntity.getStation();
if (station == null)
throw new LuaException("station is not connected to a track");

if (station.getImminentTrain() == null)
return null;

DimensionPalette dimensions = new DimensionPalette();
return fromCompoundTag(station.getImminentTrain().write(dimensions));
}

@LuaFunction
public final boolean isTrainEnroute() throws LuaException {
GlobalStation station = blockEntity.getStation();
Expand All @@ -120,6 +148,19 @@ public final boolean isTrainEnroute() throws LuaException {
return station.getNearestTrain() != null;
}

@LuaFunction
public final CreateLuaTable getEnrouteTrain() throws LuaException {
GlobalStation station = blockEntity.getStation();
if (station == null)
throw new LuaException("station is not connected to a track");

if (station.getNearestTrain() == null)
return null;

DimensionPalette dimensions = new DimensionPalette();
return fromCompoundTag(station.getNearestTrain().write(dimensions));
}

@LuaFunction
public final String getTrainName() throws LuaException {
Train train = getTrainOrThrow();
Expand Down