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Show item usages in craft guide

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When the craft guide is showing a craft, the output slot is now a button,
which causes the craft guide to show ways in which that output can be
used.  This mirrors the way input slots are buttons that show recipes
for the selected ingredient.  Usages of an item can be iterated through
in the same way as recipes for the item.  This incidentally offers some
ability to retrace one's steps through a crafting chain, without storing
actual history.
This commit is contained in:
Zefram
2014-06-13 15:04:20 +01:00
committed by Diego Martinez
parent c33efe8631
commit 87f502a259
7 changed files with 97 additions and 51 deletions
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25
api.lua
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@ -42,6 +42,25 @@ minetest.after(0.01, function()
end
end
end
for _, recipes in pairs(unified_inventory.crafts_for.recipe) do
for _, recipe in ipairs(recipes) do
local ingredient_items = {}
for _, spec in ipairs(recipe.items) do
local matches_spec = unified_inventory.canonical_item_spec_matcher(spec)
for _, name in ipairs(unified_inventory.items_list) do
if matches_spec(name) then
ingredient_items[name] = true
end
end
end
for name, _ in pairs(ingredient_items) do
if unified_inventory.crafts_for.usage[name] == nil then
unified_inventory.crafts_for.usage[name] = {}
end
table.insert(unified_inventory.crafts_for.usage[name], recipe)
end
end
end
end)
@ -101,10 +120,10 @@ function unified_inventory.register_craft(options)
if options.type == "normal" and options.width == 0 then
options = { type = "shapeless", items = options.items, output = options.output, width = 0 }
end
if unified_inventory.crafts_table[itemstack:get_name()] == nil then
unified_inventory.crafts_table[itemstack:get_name()] = {}
if unified_inventory.crafts_for.recipe[itemstack:get_name()] == nil then
unified_inventory.crafts_for.recipe[itemstack:get_name()] = {}
end
table.insert(unified_inventory.crafts_table[itemstack:get_name()],options)
table.insert(unified_inventory.crafts_for.recipe[itemstack:get_name()],options)
end