From 6bb9de3cc63ea2e8a848ffda222a5e66cb7c5f45 Mon Sep 17 00:00:00 2001
From: Perttu Ahola <celeron55@gmail.com>
Date: Thu, 3 Feb 2011 15:59:59 +0200
Subject: [PATCH] a little backwards compatibility with coal

---
 src/mapblock.cpp | 17 +++++++++++++++++
 src/mapnode.cpp  |  7 ++++---
 src/mapnode.h    |  2 ++
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/mapblock.cpp b/src/mapblock.cpp
index b388a82c..2c06fa82 100644
--- a/src/mapblock.cpp
+++ b/src/mapblock.cpp
@@ -1676,6 +1676,23 @@ void MapBlock::deSerialize(std::istream &is, u8 version)
 			data[i].param2 = s[i+nodecount*2];
 		}
 	}
+	
+	/*
+		Translate nodes as specified in the translate_to fields of
+		node features
+	*/
+	for(u32 i=0; i<MAP_BLOCKSIZE*MAP_BLOCKSIZE*MAP_BLOCKSIZE; i++)
+	{
+		MapNode &n = data[i];
+
+		MapNode *translate_to = content_features(n.d).translate_to;
+		if(translate_to)
+		{
+			dstream<<"MapBlock: WARNING: Translating node "<<n.d<<" to "
+					<<translate_to->d<<std::endl;
+			n = *translate_to;
+		}
+	}
 }
 
 
diff --git a/src/mapnode.cpp b/src/mapnode.cpp
index c5b252d8..2ba2a2db 100644
--- a/src/mapnode.cpp
+++ b/src/mapnode.cpp
@@ -96,9 +96,10 @@ void init_mapnode(IIrrlichtWrapper *irrlicht)
 	
 	i = CONTENT_COALSTONE;
 	f = &g_content_features[i];
-	f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
-	/*f->setAllTextures(irrlicht->getTextureId("coalstone.png"));
-	f->is_ground_content = true;*/
+	//f->translate_to = new MapNode(CONTENT_STONE, MINERAL_COAL);
+	f->setAllTextures(TextureSpec(irrlicht->getTextureId("coal.png"),
+			irrlicht->getTextureId("mineral_coal.png")));
+	f->is_ground_content = true;
 	
 	i = CONTENT_WOOD;
 	f = &g_content_features[i];
diff --git a/src/mapnode.h b/src/mapnode.h
index 4385f9ac..5392e786 100644
--- a/src/mapnode.h
+++ b/src/mapnode.h
@@ -638,6 +638,8 @@ struct MapNode
 		}
 
 		// Translate deprecated stuff
+		// NOTE: This doesn't get used because MapBlock handles node
+		// parameters directly
 		MapNode *translate_to = content_features(d).translate_to;
 		if(translate_to)
 		{