1 files changed, 10 insertions, 2 deletions

diff --git a/src/Blocks/BlockVine.h b/src/Blocks/BlockVine.h
index 06d84f2d4..213324cc1 100644
--- a/src/Blocks/BlockVine.h
+++ b/src/Blocks/BlockVine.h
@@ -166,23 +166,31 @@ public:
 		return false;
 	}
 	
+
 	virtual void OnUpdate(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_BlockPluginInterface, cChunk & a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
 	{
 		UNUSED(a_ChunkInterface);
 		UNUSED(a_WorldInterface);
-		UNUSED(a_BlockPluginInterface);
 
+		// Vine cannot grow down if at the bottom:
+		if (a_RelY < 1)
+		{
+			return;
+		}
+
+		// Grow one block down, if possible:
 		BLOCKTYPE Block;
 		a_Chunk.UnboundedRelGetBlockType(a_RelX, a_RelY - 1, a_RelZ, Block);
 		if (Block == E_BLOCK_AIR)
 		{
-			if (!cRoot::Get()->GetPluginManager()->CallHookBlockSpread((cWorld*) &a_WorldInterface, a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY - 1, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, ssVineSpread))
+			if (!a_BlockPluginInterface.CallHookBlockSpread(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY - 1, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, ssVineSpread))
 			{
 				a_Chunk.UnboundedRelSetBlock(a_RelX, a_RelY - 1, a_RelZ, E_BLOCK_VINES, a_Chunk.GetMeta(a_RelX, a_RelY, a_RelZ));
 			}
 		}
 	}
 	
+
 	virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override
 	{
 		return ((a_Meta >> 1) | (a_Meta << 3)) & 0x0f;  // Rotate bits to the right