diff options
| -rw-r--r-- | api.lua | 34 |
1 files changed, 31 insertions, 3 deletions
@@ -56,25 +56,53 @@ minetest.after(0.01, function() }) end - -- Complex drops + -- Complex drops. Yes, it's really complex! elseif type(def.drop) == "table" then --[[ Extract single items from the table and save them into dedicated tables - to register them later, in order to avoid duplicates ]] + to register them later, in order to avoid duplicates. These tables counts + the total number of guaranteed drops and drops by chance (“maybes”) for each item. + For “maybes”, the final count is the theoretical maximum number of items, not + neccessarily the actual drop count. ]] local drop_guaranteed = {} local drop_maybe = {} + -- This is for catching an obscure corner case: If the top items table has + -- only items with rarity = 1, but max_items is set, then only the first + -- max_items will be part of the drop, any later entries are logically + -- impossible, so this variable is for keeping track of this + local max_items_left = def.drop.max_items + -- For checking whether we still encountered only guaranteed only so far; + -- for the first “maybe” item it will become false which will cause ALL + -- later items to be considered “maybes”. + -- A common idiom is: + -- { max_items 1, { items = { + -- { items={"example:1"}, rarity = 5 }, + -- { items={"example:2"}, rarity = 1 }, }}} + -- example:2 must be considered a “maybe” because max_items is set and it + -- appears after a “maybe” + local max_start = true + -- Let's iterate through the items madness! for i=1,#def.drop.items do + if max_items_left ~= nil and max_items_left <= 0 then break end local itit = def.drop.items[i] for j=1,#itit.items do local dstack = ItemStack(itit.items[j]) if not dstack:is_empty() and dstack:get_name() ~= name then local dname = dstack:get_name() local dcount = dstack:get_count() - if #itit.items == 1 and itit.rarity == 1 then + -- Guaranteed drops AND we are not yet in “maybe mode” + if #itit.items == 1 and itit.rarity == 1 and max_start then if drop_guaranteed[dname] == nil then drop_guaranteed[dname] = 0 end drop_guaranteed[dname] = drop_guaranteed[dname] + dcount + + if max_items_left ~= nil then + max_items_left = max_items_left - 1 + if max_items_left <= 0 then break end + end + -- Drop was a “maybe” else + if max_items_left ~= nil then max_start = false end if drop_maybe[dname] == nil then drop_maybe[dname] = 0 end |