microexpansion/api.lua at master · sapient-cogbag/microexpansion · GitHub

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-- microexpansion/api.lua
local BASENAME = "microexpansion"

-- [function] Register Recipe
function microexpansion.register_recipe(output, recipe)
	-- Check if disabled
	if recipe.disabled == true then
		return
	end

	for _,r in ipairs(recipe) do
		local def = {
      type   = type(r[2]) == "string" and r[2] or nil,
      output = output.." "..(r[1] or 1),
      recipe = r[3] or r[2]
    }
    minetest.register_craft(def)
	end
end

-- [function] Register oredef
function microexpansion.register_oredef(ore, defs)
	-- Check if disabled
	if defs.disabled == true then
		return
	end

	for _,d in ipairs(defs) do
		d.ore = "microexpansion:"..ore
    minetest.register_ore(d)
	end
end

-- [local function] Choose description colour
local function desc_colour(status, desc)
	if status == "unstable" then
		return minetest.colorize("orange", desc)
	elseif status == "no" then
		return minetest.colorize("red", desc)
	else
		return minetest.colorize("white", desc)
	end
end

-- [function] Register Item
function microexpansion.register_item(itemstring, def)
	-- Check if disabled
	if def.disabled == true then
		return
	end
	-- Set usedfor
	if def.usedfor then
		def.description = def.description .. "\n"..minetest.colorize("grey", def.usedfor)
	end
	-- Update inventory image
	if def.inventory_image then
		def.inventory_image = BASENAME.."_"..def.inventory_image..".png"
	else
		def.inventory_image = BASENAME.."_"..itemstring..".png"
	end
	-- Colour description
	def.description = desc_colour(def.status, def.description)

	-- Register craftitem
	minetest.register_craftitem(BASENAME..":"..itemstring, def)

  -- if recipe, Register recipe
  if def.recipe then
    microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
  end
end

-- [function] Register Node
function microexpansion.register_node(itemstring, def)
  -- Check if disabled
  if def.disabled == true then
    return
  end
  -- Set usedfor
  if def.usedfor then
    def.description = def.description .. "\n"..minetest.colorize("grey", def.usedfor)
  end
  -- Update texture
  if def.auto_complete ~= false then
    for i,n in ipairs(def.tiles) do
      if #def.tiles[i]:split("^") <= 1 then
        local prefix = ""
        if def.type == "ore" then
          prefix = "ore_"
        end

        def.tiles[i] = BASENAME.."_"..prefix..n..".png"
      end
    end
  end
	-- Colour description
	def.description = desc_colour(def.status, def.description)
	-- Update connect_sides
	if def.connect_sides == "nobottom" then
		def.connect_sides = { "top", "front", "left", "back", "right" }
	elseif def.connect_sides == "machine" then
		def.connect_sides = { "top", "bottom", "left", "back", "right" }
	end

	-- Register node
	minetest.register_node(BASENAME..":"..itemstring, def)

	-- if recipe, Register recipe
	if def.recipe then
		microexpansion.register_recipe(BASENAME..":"..itemstring, def.recipe)
	end

	-- if oredef, Register oredef
	if def.oredef then
		microexpansion.register_oredef(BASENAME..":"..itemstring, def.oredef)
	end
end

-- get a node, if nessecary load it
function microexpansion.get_node(pos)
	local node = minetest.get_node_or_nil(pos)
	if node then return node end
	local vm = VoxelManip()
	vm:read_from_map(pos, pos)
	return minetest.get_node(pos)
end

function microexpansion.update_node(pos,event)
  local node = microexpansion.get_node(pos)
	local def = minetest.registered_nodes[node.name]
	local ev = event or {type = "n/a"}
  if def.me_update then
		def.me_update(pos,node,ev)
	end
end