From eeb580a74e48829908c303f8145802bfa1805c68 Mon Sep 17 00:00:00 2001
From: Mattes D <github@xoft.cz>
Date: Wed, 15 Oct 2014 19:01:55 +0200
Subject: Functions in cPluginManager get references instead of pointers.

---
 src/Blocks/BlockDirt.h            |  2 +-
 src/Blocks/BlockHandler.cpp       |  2 +-
 src/Blocks/BlockPluginInterface.h | 11 ++++++++++-
 src/Blocks/BlockVine.h            | 12 ++++++++++--
 4 files changed, 22 insertions(+), 5 deletions(-)

(limited to 'src/Blocks')

diff --git a/src/Blocks/BlockDirt.h b/src/Blocks/BlockDirt.h
index 19f889372..89dfc963d 100644
--- a/src/Blocks/BlockDirt.h
+++ b/src/Blocks/BlockDirt.h
@@ -89,7 +89,7 @@ public:
 			Chunk->GetBlockTypeMeta(BlockX, BlockY + 1, BlockZ, AboveDest, AboveMeta);
 			if (cBlockInfo::GetHandler(AboveDest)->CanDirtGrowGrass(AboveMeta))
 			{
-				if (!cRoot::Get()->GetPluginManager()->CallHookBlockSpread(Chunk->GetWorld(), Chunk->GetPosX() * cChunkDef::Width + BlockX, BlockY, Chunk->GetPosZ() * cChunkDef::Width + BlockZ, ssGrassSpread))
+				if (!cRoot::Get()->GetPluginManager()->CallHookBlockSpread(*Chunk->GetWorld(), Chunk->GetPosX() * cChunkDef::Width + BlockX, BlockY, Chunk->GetPosZ() * cChunkDef::Width + BlockZ, ssGrassSpread))
 				{
 					Chunk->FastSetBlock(BlockX, BlockY, BlockZ, E_BLOCK_GRASS, 0);
 				}
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index 904e0a921..b6ef5dd6f 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -4,6 +4,7 @@
 #include "../Item.h"
 #include "../World.h"
 #include "../Chunk.h"
+#include "BlockPluginInterface.h"
 #include "BlockAnvil.h"
 #include "BlockBed.h"
 #include "BlockBigFlower.h"
@@ -82,7 +83,6 @@
 #include "BlockWorkbench.h"
 
 
-#include "BlockPluginInterface.h"
 
 
 
diff --git a/src/Blocks/BlockPluginInterface.h b/src/Blocks/BlockPluginInterface.h
index 3a36c40b1..b769bcf3e 100644
--- a/src/Blocks/BlockPluginInterface.h
+++ b/src/Blocks/BlockPluginInterface.h
@@ -1,7 +1,11 @@
 
 #pragma once
 
-/** This interface is used to decouple block handlers from the cPluginManager dependancy through cWorld.
+
+
+
+
+/** This interface is used to decouple block handlers from the cPluginManager dependency through cWorld.
 The block handlers call this interface, which is then implemented by the specific classes that
 the caller provides.
 */
@@ -10,5 +14,10 @@ class cBlockPluginInterface
 public:
 	virtual ~cBlockPluginInterface() {}
 	
+	virtual bool CallHookBlockSpread(int a_BlockX, int a_BlockY, int a_BlockZ, eSpreadSource a_Source) = 0;
 	virtual bool CallHookBlockToPickups(cEntity * a_Digger, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, cItems & a_Pickups) = 0;
 };
+
+
+
+
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
-- 
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