X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fterrain.cpp;h=502a8c7e5a24e4b1eeba8da56ad26628245e3456;hb=ab0e6fa3442459d0a299ef90618ab6886d075057;hp=5a317747e74f96f57f3b598e934ee2e2773a012e;hpb=90015ce8f2b5d10135c3386c2771ee29395e3b37;p=r2c2.git

diff --git a/source/libr2c2/terrain.cpp b/source/libr2c2/terrain.cpp
index 5a31774..502a8c7 100644
--- a/source/libr2c2/terrain.cpp
+++ b/source/libr2c2/terrain.cpp
@@ -97,7 +97,7 @@ void Terrain::set_node_elevation(const NodeCoordinates &c, float elev, bool join
 				Tile &tile = tiles[x+y*width];
 				if(tile.nodes[i].elevation==ref)
 				{
-					tile.nodes[i].elevation = elev;
+					tile.set_node_elevation(i, elev);
 					signal_tile_changed.emit(x, y);
 				}
 			}
@@ -105,7 +105,7 @@ void Terrain::set_node_elevation(const NodeCoordinates &c, float elev, bool join
 	}
 	else
 	{
-		tiles[c.x+c.y*width].nodes[c.i].elevation = elev;
+		tiles[c.x+c.y*width].set_node_elevation(c.i, elev);
 		signal_tile_changed.emit(c.x, c.y);
 	}
 }
@@ -186,6 +186,17 @@ Terrain::Tile::Tile():
 	secondary_axis(false)
 { }
 
+void Terrain::Tile::set_node_elevation(unsigned i, float e)
+{
+	nodes[i].elevation = e;
+	update_axis();
+}
+
+void Terrain::Tile::update_axis()
+{
+	secondary_axis = (abs(nodes[1].elevation-nodes[2].elevation) < abs(nodes[0].elevation-nodes[3].elevation));
+}
+
 void Terrain::Tile::save(list<DataFile::Statement> &st) const
 {
 	bool flat = true;
@@ -256,6 +267,7 @@ void Terrain::Loader::tile()
 	Tile &t = obj.tiles[next_tile];
 	Tile::Loader ldr(obj, t);
 	load_sub_with(ldr);
+	t.update_axis();
 	unsigned x = next_tile%obj.width;
 	unsigned y = next_tile/obj.width;
 	++next_tile;