Add compressor recipes for nether brick and lump (#639)

Another addition with nether, similar to the previous one, just this time for compressor.

Clears nether's default recipes for compressed nether brick and nether lump, using the compressor instead for these tasks.

technic/machines/register/compressor_recipes.lua

@@ -8,6 +8,70 @@ function technic.register_compressor_recipe(data)
 	technic.register_recipe("compressing", data)
 end
 
+-- Defuse the default recipes, since we have
+-- the compressor to take over in a more realistic manner.
+local crafts_to_clear = {
+	"default:desert_sand",
+	"default:sand",
+	"default:silver_sand",
+}
+
+local dependent_crafts_to_clear = {
+	everness = {
+		"everness:coral_sand",
+		"everness:coral_forest_deep_ocean_sand",
+		"everness:coral_white_sand",
+		"everness:crystal_sand",
+		"everness:cursed_sand",
+		"everness:cursed_lands_deep_ocean_sand",
+		"everness:crystal_forest_deep_ocean_sand",
+		"everness:mineral_sand",
+	},
+	nether = {
+		"nether:brick",
+		"nether:brick_compressed",
+	},
+}
+
+-- Add dependent recipes to main collection of
+-- recipes to be cleared if their mods are used.
+for dependency, crafts in pairs(dependent_crafts_to_clear) do
+	if minetest.get_modpath(dependency) then
+		for _, craft_entry in ipairs(crafts) do
+			table.insert(crafts_to_clear, craft_entry)
+		end
+	end
+end
+
+-- Clear recipes
+for _, craft_name in ipairs(crafts_to_clear) do
+	local is_regular = string.sub(craft_name, 1, 7) ~= "nether:"
+	local shaped_recipe
+
+	if is_regular then
+		-- Regular compression recipes use 2x2 shape.
+		shaped_recipe = {
+			{craft_name, craft_name},
+			{craft_name, craft_name},
+		}
+	else
+		-- Nether's compression recipes use 3x3 shape.
+		shaped_recipe = {
+			{craft_name, craft_name, craft_name},
+			{craft_name, craft_name, craft_name},
+			{craft_name, craft_name, craft_name},
+		}
+	end
+
+	minetest.clear_craft({
+		type = "shaped",
+		recipe = shaped_recipe,
+	})
+end
+
+--
+-- Compile compressor recipes
+--
 local recipes = {
 	{"default:snowblock",          "default:ice"},
 	{"default:sand 2",             "default:sandstone"},
@@ -21,8 +85,8 @@ local recipes = {
 	{"technic:uranium35_ingot 5",  "technic:uranium_fuel"},
 }
 
-if minetest.get_modpath("everness") then
-	local everness_sand_to_sandstone_recipes = {
+local dependent_recipes = {
+	everness = {
 		{"everness:coral_deep_ocean_sand 2",          "everness:coral_deep_ocean_sandstone_block"},
 		{"everness:coral_sand 2",                     "everness:coral_sandstone"},
 		{"everness:coral_white_sand 2",               "everness:coral_white_sandstone"},
@@ -31,47 +95,24 @@ if minetest.get_modpath("everness") then
 		{"everness:cursed_lands_deep_ocean_sand 2",   "everness:cursed_lands_deep_ocean_sandstone_block"},
 		{"everness:cursed_sand 2",                    "everness:cursed_sandstone_block"},
 		{"everness:mineral_sand 2",                   "everness:mineral_sandstone"},
-	}
-
-	for _, data in ipairs(everness_sand_to_sandstone_recipes) do
-		table.insert(recipes, {data[1], data[2]})
-	end
-end
-
--- defuse the default sandstone recipe, since we have the compressor to take over in a more realistic manner
-local crafts_to_clear = {
-	"default:desert_sand",
-	"default:sand",
-	"default:silver_sand"
+	},
+	nether = {
+		{"nether:brick 9",				"nether:brick_compressed"},
+		{"nether:brick_compressed 9",	"nether:nether_lump"},
+	},
 }
 
-if minetest.get_modpath("everness") then
-	local everness_crafts_to_clear = {
-		"everness:coral_sand",
-		"everness:coral_forest_deep_ocean_sand",
-		"everness:coral_white_sand",
-		"everness:crystal_sand",
-		"everness:cursed_sand",
-		"everness:cursed_lands_deep_ocean_sand",
-		"everness:crystal_forest_deep_ocean_sand",
-		"everness:mineral_sand",
-	}
-
-	for _, sand_name in ipairs(everness_crafts_to_clear) do
-		table.insert(crafts_to_clear, sand_name)
+-- Add dependent recipes to main recipe collection
+-- if their mods are used.
+for dependency, recipes_to_add in pairs(dependent_recipes) do
+	if minetest.get_modpath(dependency) then
+		for _, recipe_entry in ipairs(recipes_to_add) do
+			table.insert(recipes, recipe_entry)
+		end
 	end
 end
 
-for _, sand_name in ipairs(crafts_to_clear) do
-	minetest.clear_craft({
-		type = "shaped",
-		recipe = {
-			{sand_name, sand_name},
-			{sand_name, sand_name},
-		},
-	})
-end
-
+-- Register compressor recipes
 for _, data in pairs(recipes) do
 	technic.register_compressor_recipe({input = {data[1]}, output = data[2]})
 end

technic/mod.conf

@@ -1,3 +1,3 @@
 name = technic
 depends = default, pipeworks, technic_worldgen, basic_materials
-optional_depends = bucket, screwdriver, mesecons, mesecons_mvps, digilines, digiline_remote, intllib, unified_inventory, vector_extras, dye, craftguide, i3, everness
+optional_depends = bucket, screwdriver, mesecons, mesecons_mvps, digilines, digiline_remote, intllib, unified_inventory, vector_extras, dye, craftguide, i3, everness, nether