From 76f81910c406422867896b5275e52a9820204a2e Mon Sep 17 00:00:00 2001
From: simibubi <31564874+simibubi@users.noreply.github.com>
Date: Mon, 27 Apr 2020 14:44:57 +0200
Subject: [PATCH] SGS hotfix

- Fixed Sequenced Gearshift crashing when removing instructions while active
---
 .../advanced/sequencer/SequencedGearshiftTileEntity.java    | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main/java/com/simibubi/create/modules/contraptions/relays/advanced/sequencer/SequencedGearshiftTileEntity.java b/src/main/java/com/simibubi/create/modules/contraptions/relays/advanced/sequencer/SequencedGearshiftTileEntity.java
index b50f20dbd..26453997c 100644
--- a/src/main/java/com/simibubi/create/modules/contraptions/relays/advanced/sequencer/SequencedGearshiftTileEntity.java
+++ b/src/main/java/com/simibubi/create/modules/contraptions/relays/advanced/sequencer/SequencedGearshiftTileEntity.java
@@ -50,6 +50,8 @@ public class SequencedGearshiftTileEntity extends SplitShaftTileEntity {
 		Instruction instruction = getInstruction(currentInstruction);
 		if (instruction == null)
 			return;
+		if (getSpeed() == 0)
+			run(-1);
 
 		// Update instruction time with regards to new speed
 		float initialProgress = timer / (float) currentInstructionDuration;
@@ -68,6 +70,8 @@ public class SequencedGearshiftTileEntity extends SplitShaftTileEntity {
 			world.setBlockState(pos, getBlockState().with(SequencedGearshiftBlock.STATE, 0), 3);
 			return;
 		}
+		if (getSpeed() == 0)
+			return;
 		run(0);
 	}
 
@@ -122,6 +126,8 @@ public class SequencedGearshiftTileEntity extends SplitShaftTileEntity {
 	}
 
 	public int getModifier() {
+		if (currentInstruction >= instructions.size())
+			return 0;
 		return isIdle() ? 0 : instructions.get(currentInstruction).getSpeedModifier();
 	}