Add things

mods/rgt_world/init.lua

@@ -135,6 +135,7 @@ rgt.register_node("glass", {
     drawtype = "glasslike",
     paramtype = "light",
     tiles = {{name = "rgt_glass.png", align_style = "world"}},
+    use_texture_alpha = "clip",
     _variants = "all",
     groups = {dig_immediate = 3}
 })
@@ -228,21 +229,6 @@ minetest.register_alias("mapgen_water_source", "red_glazed_terracotta:water")
 minetest.register_alias("mapgen_river_water_source", "red_glazed_terracotta:river_water")
 
 
--- Remove
-minetest.register_alias("adrift:stone", "red_glazed_terracotta:stone")
-minetest.register_alias("adrift:dirt", "red_glazed_terracotta:dirt")
-minetest.register_alias("adrift:dirt_grass", "red_glazed_terracotta:dirt_grass")
-minetest.register_alias("adrift:water", "red_glazed_terracotta:water")
-
---minetest.register_decoration {
---    deco_type = "schematic",
---    place_on = "dirt_grass",
---    y_min = 1,
---    fill_ratio = 0.01,
---    schematic = minetest.get_modpath(minetest.get_current_modname()).."/schems/tree.mts",
---    flags = "place_center_x, place_center_z",
---    place_offset_y = 1,
---}
 
 rgt.register_node("light", {
     tiles = {"[fill:1x1:0,0:#fed"},
@@ -260,6 +246,18 @@ minetest.register_ore {
 }
 
 
+
+--minetest.register_decoration {
+--    deco_type = "schematic",
+--    place_on = "dirt_grass",
+--    biomes = {"forest"},
+--    y_min = 1,
+--    fill_ratio = 0.01,
+--    schematic = minetest.get_modpath(minetest.get_current_modname()).."/schems/tree.mts",
+--    flags = "place_center_x, place_center_z",
+--    place_offset_y = 1,
+--}
+
 minetest.register_biome{
     name = "plains",
 

mods/rgt_world/variants.lua

@@ -15,10 +15,45 @@ function ns.register_slab(def)
     }))
 end
 
+function ns.update_stair(pos, basename, leaf)
+    local node = minetest.get_node(pos)
+    local neighbors = {}
+    local dir
+    local pipe
+    
+    for _, offset in ipairs(rgt.adjacent_horizontal_neighbor_offests) do
+        pipe = minetest.get_node(pos +offset)
+        if minetest.get_item_group(pipe.name, basename.."_stair") > 0 then
+            neighbors[#neighbors +1] = offset
+        end
+    end
+    
+    if #neighbors == 1 then
+        node.name = basename.."_stair"
+        node.param2 = minetest.dir_to_facedir(-neighbors[1]:rotate(vector.new(0, math.pi /2, 0)))
+        minetest.swap_node(pos, node)
+    elseif #neighbors > 1 then
+        -- Just ue the first two neighbors.
+        if neighbors[1].x ~= 0 and neighbors[2].x ~= 0 or neighbors[1].z ~= 0 and neighbors[2].z ~= 0 then
+            node.name = basename.."_stair"
+            node.param2 = minetest.dir_to_facedir(neighbors[1])
+        end
+        minetest.swap_node(pos, node)
+    end
+    
+    if not leaf then
+        for _, x in ipairs(neighbors) do
+            update_pipe(pos +x, true)
+        end
+    end
+end
+
 function ns.register_stair(def)
     def = table.copy(def)
     def._variants = nil
     
+    def.groups[def._name.."_stair"] = 1
+    
     rgt.register_node(def._name.."_stair", extend(table.copy(def), {
         drawtype = "nodebox",
         node_box = {