Fixed a few problems in the ladder update, and changed the speed to account for gravity

src/content_mapblock.cpp

@@ -1134,7 +1134,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 			u16 indices[] = {0,1,2,2,3,0};
 			collector.append(material_rail, vertices, 4, indices, 6);
 		}
-		else if (n.d == CONTENT_LADDER) {
+		else if (n.getContent() == CONTENT_LADDER) {
 			u8 l = decode_light(n.getLightBlend(data->m_daynight_ratio));
 			video::SColor c(255,l,l,l);
 
@@ -1149,7 +1149,7 @@ void mapblock_mesh_generate_special(MeshMakeData *data,
 				video::S3DVertex(BS/2-d,BS/2,-BS/2, 0,0,0, c, 0,0),
 			};
 
-			v3s16 dir = unpackDir(n.dir);
+			v3s16 dir = unpackDir(n.param2);
 
 			for(s32 i=0; i<4; i++)
 			{

src/game.cpp

@@ -541,7 +541,7 @@ void getPointedNode(Client *client, v3f player_position,
 
 		else if(n.getContent() == CONTENT_LADDER)
 		{
-			v3s16 dir = unpackDir(n.dir);
+			v3s16 dir = unpackDir(n.param2);
 			v3f dir_f = v3f(dir.X, dir.Y, dir.Z);
 			dir_f *= BS/2 - BS/6 - BS/20;
 			v3f cpf = npf + dir_f;

src/player.cpp

@@ -382,8 +382,8 @@ void LocalPlayer::move(f32 dtime, Map &map, f32 pos_max_d,
 	try {
 	        v3s16 pp = floatToInt(position + v3f(0,0.5*BS,0), BS);
 		v3s16 pp2 = floatToInt(position + v3f(0,-0.2*BS,0), BS);
-		is_climbing = (content_features(map.getNode(pp).d).climbable ||
-			       content_features(map.getNode(pp2).d).climbable);
+		is_climbing = (content_features(map.getNode(pp).getContent()).climbable ||
+			       content_features(map.getNode(pp2).getContent()).climbable);
 	}
 	catch(InvalidPositionException &e)
 	{
@@ -832,7 +832,7 @@ void LocalPlayer::applyControl(float dtime)
 	if (is_climbing) {
 	        if (control.up || control.left || control.right || control.down) {
 		        v3f speed = getSpeed();
-			speed.Y = 2*BS;
+			speed.Y = 2.5*BS;
 			setSpeed(speed);
 		}
 		else {