ore config by txt file

api.lua

@@ -0,0 +1,28 @@
+
+local local_ore_register = function(modname,stonename,element,crack,itemname)
+if itemname == nil then
+	itemname = modname..":"..stonename.."_with_"..element
+end
+print(itemname)
+minetest.register_node(itemname, {
+--	description = S(element.." ore"),
+	description = element.." ore",
+	tiles = {"default_"..stonename:gsub("desert","desert_")..".png^minerdream_"..element.."_ore.png"},
+	groups = {cracky = crack},
+	drop = modname:gsub(":","")..':'..element..'_lump',
+	sounds = default.node_sound_stone_defaults(),
+})
+end
+
+function minerdream.ore_register(tdef)
+	if tdef.overrides == nil then
+		local_ore_register(minetest.get_current_modname(),"stone",tdef.name,tdef.crack)
+		if tdef.groups.in_desert ~= nil then
+			local_ore_register(minetest.get_current_modname(),"desertstone",tdef.name,tdef.crack)
+		end
+	else
+		local modname = ":"..string.split(tdef.overrides,":")[1]
+		print(modname)
+		local_ore_register(modname,"stone",tdef.name,tdef.crack,":"..tdef.overrides)
+	end
+end

blocks.lua

@@ -151,7 +151,7 @@ minetest.register_node("minerdream:stone_with_"..element, {
 	sounds = default.node_sound_stone_defaults(),
 })
 end
-
+..[[
 ore_register("rhodium",5,true,true)
 ore_register("calcium",5,true,true)
 ore_register("tantalum",5,true,true)
@@ -206,7 +206,7 @@ stone_register("garnet",4)
 stone_register("bituminous_coal",4)
 stone_register("jade",4)
 stone_register("amethyst",4)
-
+]]
 -----------------desert ores-----------------
 minetest.register_node("minerdream:desertstone_with_richiron", {
 	description = "Rich desert iron ore",

functions.lua

@@ -0,0 +1,60 @@
+
+minerdream.has_value = function(tab, val)
+-- test if val is in tab
+    for index, value in ipairs(tab) do
+        if value == val then
+            return true
+        end
+    end
+    return false
+end
+
+local has_value=minerdream.has_value
+
+-- read table "infile" where in "def" is defined, which cols are numbers and which belongs to a group
+minerdream.import_csv = function(infile,def)
+	local file = io.open(infile, "r")
+	local outdata = {}
+	-- reading header with column names
+	local splitchar=","
+	if def.seperator then
+		splitchar=def.seperator
+	end
+	local header = file:read():gsub("\r",""):split(splitchar,true)
+	-- read each line, split in separat fields and stores in array
+	-- by header the value is stored as numeric, in the group environment or as text
+	for line in file:lines() do
+		local attribs = line:gsub("\r",""):split(splitchar,true)
+		local nrow={groups={}}
+		for i,d in ipairs(attribs) do
+			
+			if d ~= "" then
+				local th=header[i]
+				local dsaved = false
+				if def.col_num then
+					if has_value(def.col_num,th) then
+						nrow[th] = tonumber(d)
+						dsaved = true
+					end
+				end
+				if def.groups_num then
+					if has_value(def.groups_num,th) then
+						nrow.groups[th]=tonumber(d)
+						dsaved = true
+					end
+				end
+				if not dsaved then
+					nrow[th]=d
+				end
+			end
+		end
+		if nrow.name then
+			outdata[nrow.name] = nrow
+		else
+			outdata[#outdata+1] = nrow
+		end
+	end
+	file:close()
+
+	return outdata
+end

init.lua

@@ -1,6 +1,9 @@
 minerdream  = {}
 minerdream.path = minetest.get_modpath("minerdream")
 
+dofile(minerdream.path .. "/functions.lua")
+dofile(minerdream.path .. "/api.lua")
+dofile(minerdream.path .. "/read_config.lua")
 dofile(minerdream.path .. "/items.lua")
 dofile(minerdream.path .. "/tools.lua")
 dofile(minerdream.path .. "/overrides.lua")
@@ -11,5 +14,5 @@ dofile(minerdream.path .. "/weapons.lua")
 dofile(minerdream.path .. "/armor.lua")
 dofile(minerdream.path .. "/treasure.lua")
 dofile(minerdream.path .. "/experiments.lua")
-dofile(minerdream.path .. "/mobs.lua")
-dofile(minerdream.path .. "/awards.lua")
+--dofile(minerdream.path .. "/mobs.lua")
+dofile(minerdream.path .. "/awards.lua")

mobs.lua

@@ -47,7 +47,7 @@ mobs:register_mob("minerdream:slime_green", {
 	},
 })
 
-
+--[[
 mobs:spawn({
 	name = "minerdream:slime_green",
 	nodes = {"default:stone"},
@@ -55,7 +55,7 @@ mobs:spawn({
 	chance = 1000,
 	max_height = 0,
 })
-
+]]
 
 minetest.register_craftitem("minerdream:slime_green_egg", {
 	description = "Green slime spawnegg",

ores.txt

@@ -0,0 +1,23 @@
+name,crack,has_dust,has_block,in_desert,overrides
+default,1,,,,
+rhodium,5,1,1,,
+calcium,5,1,1,,
+tantalum,5,1,1,,
+ruthenium,4,1,1,,
+cobalt,4,1,1,,
+platinum,1,1,1,,
+aluminium,1,1,1,,aluminum:aluminum
+zinc,1,1,1,,
+lead,2,1,1,,technic:mineral_lead
+silver,2,1,1,,moreores:mineral_silver
+potassium,3,1,1,,
+nickel,2,1,1,,
+coal,2,1,1,1,
+sulfur,3,1,,1,
+lapislazuli,3,,,1,
+saltpeter,3,1,1,1,
+spinel,5,,,,
+garnet,4,,,,
+bituminous_coal,4,,,,
+jade,4,,,,
+amethyst,4,,,,

read_config.lua

@@ -0,0 +1,38 @@
+
+local has_value = minerdream.has_value 
+local ore_cols={
+	col_num={"crack"},
+	groups_num={"has_dust","has_block","in_desert"}}
+local miner_definition = minerdream.import_csv(minerdream.path.."/ores.txt",ore_cols)
+
+if miner_definition["default"] ~= nil then
+	default_ore = miner_definition["default"]
+	local test_values = {}
+	-- check, which numeric columns exist in default entry
+	for i,d in pairs(ore_cols.col_num) do
+		if default_ore[d] ~= nil then
+			table.insert(test_values,1,d)
+		end
+	end
+
+	-- check for each crop, if value can be copied from default entry
+	for i,tdef in pairs(miner_definition) do
+		if tdef.name ~= default_ore.name then
+			for j,colu in pairs(test_values) do
+				if tdef[colu] == nil then
+					miner_definition[tdef.name][colu] = default_ore[colu]
+				end
+			end
+		end
+	end
+end
+
+
+for i,tdef in pairs(miner_definition) do
+	if i ~= "default" then
+		if tdef.crack ~= nil then
+			minerdream.ore_register(tdef)
+		end
+	end
+end
+