From e2d64ff37628bc70a08052e2d78bd1781ccbad70 Mon Sep 17 00:00:00 2001
From: BallOfEnergy <66693744+ballofenergy1@users.noreply.github.com>
Date: Sun, 9 Feb 2025 18:00:52 -0600
Subject: [PATCH] Fix for main issue #1933.

---
 .../hbm/handler/neutron/RBMKNeutronHandler.java  | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/hbm/handler/neutron/RBMKNeutronHandler.java b/src/main/java/com/hbm/handler/neutron/RBMKNeutronHandler.java
index d3f883589..3b78af0e1 100644
--- a/src/main/java/com/hbm/handler/neutron/RBMKNeutronHandler.java
+++ b/src/main/java/com/hbm/handler/neutron/RBMKNeutronHandler.java
@@ -378,7 +378,19 @@ public class RBMKNeutronHandler {
 				TileEntityRBMKControl rod = (TileEntityRBMKControl) lastNode.tile;
 				if (rod.getMult() > 0.0D) {
 					this.fluxQuantity *= rod.getMult();
-					irradiateFromFlux(new BlockPos(lastNode.tile.xCoord + this.vector.xCoord, lastNode.tile.yCoord, lastNode.tile.zCoord + this.vector.zCoord));
+					BlockPos posAfter = new BlockPos(lastNode.tile.xCoord + this.vector.xCoord, lastNode.tile.yCoord, lastNode.tile.zCoord + this.vector.zCoord);
+
+					// The below code checks if the block after the control rod is actually a block or if it's an RBMK rod.
+					// Resolves GitHub issue #1933.
+					if(!NeutronNodeWorld.nodeCache.containsKey(posAfter)) {
+						TileEntity te = blockPosToTE(worldObj, posAfter);
+						if (te instanceof TileEntityRBMKBase) {
+							RBMKNeutronNode node = makeNode((TileEntityRBMKBase) te);
+							NeutronNodeWorld.addNode(node);
+						} else {
+							irradiateFromFlux(posAfter); // I'm so mad about this...
+						}
+					}
 				}
 			}
 		}
@@ -390,7 +402,7 @@ public class RBMKNeutronHandler {
 				// holy fucking shit
 				// I have had this one line cause me like tens of problems
 				// I FUCKING HATE THIS
-				// total count of bugs fixed attributed to this function: 13
+				// total count of bugs fixed attributed to this function: 14
 				Block block = origin.tile.getWorldObj().getBlock(pos.getX(), pos.getY() + h, pos.getZ());
 				if (block.isOpaqueCube())
 					hits += 1;