enable deepslate generation

mods/CORE/mcl_init/init.lua

@@ -26,10 +26,12 @@ mcl_vars.tool_wield_scale = { x = 1.8, y = 1.8, z = 1 }
 
 -- Mapgen variables
 local mg_name = minetest.get_mapgen_setting("mg_name")
-local minecraft_height_limit = 256
+local minecraft_height_limit = 320
 local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superflat_classic") == "true"
 local singlenode = mg_name == "singlenode"
 
+local convert_old_bedrock = minetest.settings:get_bool("mcl_convert_old_bedrock", false)
+
 -- Calculate mapgen_edge_min/mapgen_edge_max
 mcl_vars.chunksize = math.max(1, tonumber(minetest.get_mapgen_setting("chunksize")) or 5)
 mcl_vars.MAP_BLOCKSIZE = math.max(1, minetest.MAP_BLOCKSIZE or 16)
@@ -99,7 +101,8 @@ if not superflat and not singlenode then
 	]]
 
 	-- Overworld
-	mcl_vars.mg_overworld_min = -62
+	mcl_vars.mg_overworld_min_old = -62
+	mcl_vars.mg_overworld_min = -128
 	mcl_vars.mg_overworld_max_official = mcl_vars.mg_overworld_min + minecraft_height_limit
 	mcl_vars.mg_bedrock_overworld_min = mcl_vars.mg_overworld_min
 	mcl_vars.mg_bedrock_overworld_max = mcl_vars.mg_bedrock_overworld_min + 4
@@ -108,7 +111,8 @@ if not superflat and not singlenode then
 	mcl_vars.mg_bedrock_is_rough = true
 
 elseif singlenode then
-	mcl_vars.mg_overworld_min = -66
+	mcl_vars.mg_overworld_min_old = -66
+	mcl_vars.mg_overworld_min = -130
 	mcl_vars.mg_overworld_max_official = mcl_vars.mg_overworld_min + minecraft_height_limit
 	mcl_vars.mg_bedrock_overworld_min = mcl_vars.mg_overworld_min
 	mcl_vars.mg_bedrock_overworld_max = mcl_vars.mg_bedrock_overworld_min
@@ -261,3 +265,39 @@ function mcl_vars.get_node(p, force, us_timeout)
 	return node
 	-- it still can return "ignore", LOL, even if force = true, but only after time out
 end
+
+-- lbm to update from old mapgen depth to new. potentially affects a lot of nodes inducing lag.
+-- Also it will not generate ores or bedrock pattern.
+local function register_lbms()
+	minetest.register_lbm({
+		label = "Replace bedrock from old bedrock layer and air/void below to deepslate",
+		name = ":mcl_mapgen_core:replace_old_bedrock",
+		nodenames = { "mcl_core:bedrock" },
+		run_at_every_load = true,
+		action = function(p)
+			if p.y >= mcl_vars.mg_overworld_min_old - 1 and p.y <= mcl_vars.mg_overworld_min_old + 5 then
+				minetest.swap_node(p,{name="mcl_deepslate:deepslate"})
+			end
+			--minetest.log("bedrock")
+		end
+	})
+	minetest.register_lbm({
+		label = "Replace bedrock from old bedrock layer and air/void below to deepslate",
+		name = ":mcl_mapgen_core:replace_old_void",
+		nodenames = { "mcl_core:void" },
+		run_at_every_load = true,
+		action = function(p)
+			if p.y <= mcl_vars.mg_overworld_min_old and p.y >= mcl_vars.mg_bedrock_overworld_min then
+				if p.y <= mcl_vars.mg_bedrock_overworld_max and p.y >= mcl_vars.mg_bedrock_overworld_min then
+					minetest.swap_node(p,{name="mcl_core:bedrock" })
+				else
+					minetest.swap_node(p,{name="mcl_deepslate:deepslate"})
+				end
+			end
+			--minetest.log("void")
+		end
+	})
+end
+if convert_old_bedrock then
+	register_lbms()
+end

mods/ITEMS/mcl_deepslate/init.lua

@@ -1,21 +1,20 @@
 local modname = minetest.get_current_modname()
 local S = minetest.get_translator(modname)
 
---local layer_max = mcl_worlds.layer_to_y(16)
---local layer_min = mcl_vars.mg_overworld_min
+local layer_max = mcl_vars.mg_overworld_min_old
+local layer_min = mcl_vars.mg_overworld_min
 
 local copper_mod = minetest.get_modpath("mcl_copper")
 
 local cobble = "mcl_deepslate:deepslate_cobbled"
 local stick = "mcl_core:stick"
 
---[[
+
 local mountains = {
 	"ExtremeHills", "ExtremeHills_beach", "ExtremeHills_ocean", "ExtremeHills_deep_ocean", "ExtremeHills_underground",
 	"ExtremeHills+", "ExtremeHills+_ocean", "ExtremeHills+_deep_ocean", "ExtremeHills+_underground",
 	"ExtremeHillsM", "ExtremeHillsM_ocean", "ExtremeHillsM_deep_ocean", "ExtremeHillsM_underground",
 }
-]]
 
 minetest.register_node("mcl_deepslate:deepslate", {
 	description = S("Deepslate"),
@@ -205,7 +204,6 @@ minetest.register_craft({
 	cooktime = 10,
 })
 
---[[ Commented out for now because there the discussion how to handle this is ongoing
 minetest.register_ore({
     ore_type       = "blob",
     ore            = "mcl_deepslate:deepslate",
@@ -364,7 +362,7 @@ if minetest.settings:get_bool("mcl_generate_ores", true) then
 		})
 	end
 end
---]]
+
 local function register_deepslate_variant(item, desc, longdesc)
 	local texture = desc:lower():gsub("% ", "_")
 	local def = {