fixed bug with diagonal slopes, replaces blocks with cobble so the gravel doesn't drop

1 files changed, 15 insertions, 12 deletions

diff --git a/init.lua b/init.lua
index 985e6f6..dc54dbc 100644
--- a/init.lua
+++ b/init.lua
@@ -13,7 +13,7 @@ advtrains.register_wagon("construction_train", {
 	mesh="advtrains_subway_wagon.b3d",
 	textures = {"advtrains_subway_wagon.png"},
 	drives_on={default=true},
-	max_speed=15,
+	max_speed=2,
 	seats = {
 		{
 			name="Driver stand",
@@ -88,24 +88,27 @@ advtrains.register_wagon("construction_train", {
 	   rpos.y = rpos.y -1
 	   -- Find train tracks, if we find train tracks, we will only replace blocking nodes
 	   local tracks_below = false
-	   for x = -2,2 do
-	      for z = -2,2 do
-		 local ps = {x=rpos.x+x, y=rpos.y, z=rpos.z+z}
-		 if minetest.get_item_group(minetest.get_node(ps).name, "advtrains_track") > 0 then
-		    tracks_below = true
-		    minetest.chat_send_all("Found a track!")
-		    break
-		 end
-	      end	      
+	   for y =-1,0 do
+	      for x = -2,2 do
+		 for z = -2,2 do
+		    local ps = {x=rpos.x+x, y=rpos.y+y, z=rpos.z+z}
+		    if minetest.get_item_group(minetest.get_node(ps).name, "advtrains_track") > 0 then
+		       tracks_below = true
+		       minetest.chat_send_all("Found a track!")
+		       break
+		    end
+		 end	      
+	      end
 	   end
 	   
 	   for x = -1,1 do
 	      for z = -1,1 do
 		 local ps = {x=rpos.x+x, y=rpos.y, z=rpos.z+z}
-		 if (not tracks_below) or (minetest.get_item_group(minetest.get_node(ps).name, "not_blocking_trains") ==  0 and minetest.get_node(ps).name ~= "air" ) then
+		 local name = minetest.get_node(ps).name
+		 if (not tracks_below) or (minetest.get_item_group(name, "not_blocking_trains") ==  0 and minetest.get_node(ps).walkable and name ~= "air" ) then
 		    minetest.set_node(ps, {name = "default:gravel"})
 		    ps.y = ps.y-1
-		    if minetest.get_node(ps).name == "air" then
+		    if not minetest.get_node(ps).walkable then
 		       minetest.set_node(ps, {name = "default:cobble"})
 		    end
 		 end