Add tin to MCL compatibility

compatibility.lua

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+local S=minetest.get_translator("industrialtest")
+
+local mtgAvailable=minetest.get_modpath("default")
+local mclAvaliable=minetest.get_modpath("mcl_core")
+
+-- compatibilty that adds not existing elements
+if mclAvailable then
+	-- register required items that are not available in MCL
+	minetest.register_craftitem("industrialtest:raw_tin",{
+		description=S("Raw Tin"),
+		inventory_image="industrialtest_mcl_raw_tin.png"
+	})
+	minetest.register_craftitem("industrialtest:tin_ingot",{
+		description=S("Tin Ingot"),
+		inventory_image="industrialtest_mcl_tin_ingot.png"
+	})
+	
+	-- register crafts that are not available in MCL
+	minetest.register_craft({
+		type="cooking",
+		output="industrialtest:tin_ingot",
+		recipe="industrialtest:raw_tin"
+	})
+
+	-- register required blocks that are not available in MCL
+	minetest.register_node("industrialtest:tin_ore",{
+		description=S("Tin Ore"),
+		tiles={"default_stone.png^industrialtest_mcl_tin_ore.png"},
+		sounds=mcl_sounds.node_sound_stone_defaults(),
+		drop="industrialtest:raw_tin"
+	})
+
+	-- register required ores that are not available in MCL
+	local stonelike={"mcl_core:stone","mcl_core:diorite","mcl_core:andesite","mcl_core:granite"}
+	minetest.register_ore({
+		ore_type="scatter",
+		ore="industrialtest:tin_ore",
+		wherein="mcl_core:stone",
+		clust_scarity=10*10*10,
+		clust_num_ores=5,
+		clust_size=3,
+		y_max=mcl_worlds.layer_to_y(39),
+		y_min=mcl_vars.mg_overworld_min
+	})
+end

init.lua

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+MODNAME="industrialtest"
+local modpath=minetest.get_modpath(MODNAME)
+
+-- load other lua files
+dofile(modpath.."/compatibility.lua")