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User:Fleeting Frames/buy food needs
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Usage: Open trading screen in trade depot with broker and caravan present, then run the script.
<source lang="lua"> function buy_food_needs ()
if df.global.gview.view.child.child == nil or
df.global.gview.view.child.child._type ~= df.viewscreen_tradelistst or
df.global.gview.view.child.child.child._type ~= df.viewscreen_tradegoodsst then
dfhack.error ("This script must be run when the trade screen is open")
end
local preferences = {}
for i, unit in ipairs (df.global.world.units.all) do
if dfhack.units.isCitizen (unit) and
dfhack.units.isAlive (unit) and
unit.status.current_soul then
for k, preference in ipairs (unit.status.current_soul.preferences) do
if preference.active then
if preference.type == df.unit_preference.T_type.LikeFood then
local found = false
for l, pref in ipairs (preferences) do
if pref.mattype == preference.mattype and
pref.matindex == preference.matindex and
pref.item_type == preference_item_type then
found = true
break
end
end
if not found then
table.insert (preferences, preference)
end
end
end
end
end
end
for i, item in ipairs (df.global.gview.view.child.child.child.trader_items) do
if item._type == df.item_cagest then -- may contain food item_critterst, but at most one.
local found = false
if #item.general_refs > 2 then
for k, ref in ipairs (item.general_refs) do
if ref._type == df.general_ref_contains_unitst then
local unit = df.unit.find (ref.unit_id)
for l, preference in ipairs (preferences) do
if preference.matindex == -1 then -- It's an animal
if unit.race == preference.mattype then
dfhack.println ("Buying caged " .. df.global.world.raws.creatures.all [preference.mattype].name [0])
df.global.gview.view.child.child.child.trader_selected [i] = 1
found = true
break
end
else
local matinforet = dfhack.matinfo.decode (preference.mattype, preference.matindex)
if matinforet.mode == "creature" and
df.global.world.raws.creatures.all [unit.race].creature_id == matinforet.creature.creature_id and
matinforet.material.id ~= "CHEESE" and
matinforet.material.id ~= "MILK" and
matinforet.material.id ~= "EGGSHELL" and -- Are there any preferences for eggs at all?
matinforet.material.id ~= "EGG_WHITE" and
matinforet.material.id ~= "EGG_YOLK" then
local pref
if matinforet.material.prefix == "" then
pref = matinforet.material.state_name.Solid
else
pref = matinforet.material.prefix .. " " .. matinforet.material.state_name.Solid
end
dfhack.println ("Buying caged " .. matinforet.creature.name [0] .. " for " .. pref)
df.global.gview.view.child.child.child.trader_selected [i] = 1
found = true
break
end
end
end
end
if found then
break
end
end
end
elseif item._type == df.item_liquid or -- ###
item._type == df.item_powder or -- ###
item._type == df.item_seedst or
item._type == df.item_meatst or
item._type == df.item_plantst or
item._type == df.item_plant_growthst or
item._type == df.item_cheesest or
item._type == df.item_globst then
for k, preference in ipairs (preferences) do
local matinforet = dfhack.matinfo.decode (preference.mattype, preference.matindex)
local matinfoitem = dfhack.matinfo.decode(item)
local has_matching_product = false
if preference.matindex ~= -1 and matinfoitem then
for mati=0, #matinfoitem.material.reaction_product.material.mat_type - 1 do if matinfoitem.material.reaction_product.material.mat_type[mati] == preference.mattype and matinfoitem.material.reaction_product.material.mat_index[mati] == preference.matindex then has_matching_product = true break end end
end
if preference.matindex ~= -1 and (
item.mat_type == preference.mattype and
item.mat_index == preference.matindex
) or has_matching_product
then
local pref
pref = matinfoitem:toString(10015)
if not pref then
if matinfoitem.material.prefix == "" then
pref = matinfoitem.material.state_name.Solid
else
pref = matinfoitem.material.prefix .. " " .. matinfoitem.material.state_name.Solid
end
end
local pref2
if has_matching_product then
pref2 = matinforet:toString(10015)
if not pref2 then
if matinforet.material.prefix == "" then
pref2 = matinforet.material.state_name.Solid
else
pref2 = matinforet.material.prefix .. " " .. matinforet.material.state_name.Solid
end
end
end
dfhack.println ("Buying " .. pref .. (has_matching_product and (" due preference for " .. pref2) or ""))
df.global.gview.view.child.child.child.trader_selected [i] = 1
break
end
end
elseif item._type == df.item_fishst or
item._type == df.item_fish_rawst then -- Which one? This or previous one?
for k, preference in ipairs (preferences) do
local matinforet = dfhack.matinfo.decode (preference.mattype, preference.matindex)
if preference.item_type == df.item_type.FISH then
if preference.matindex == -1 then
if preference.mattype == item.race then
dfhack.println ("Buying " .. df.global.world.raws.creatures.all [preference.mattype].name [0])
df.global.gview.view.child.child.child.trader_selected [i] = 1
break
end
elseif matinforet.mode == "creature" and -- No fish producing milk or eggs, yet...
item.race == preference.mattype then
local pref
if matinforet.material.prefix == "" then
pref = matinforet.material.state_name.Solid
else
pref = matinforet.material.prefix .. " " .. matinforet.material.state_name.Solid
end
dfhack.println ("Buying " .. pref)
df.global.gview.view.child.child.child.trader_selected [i] = 1
break
end
end
end
-- elseif -- item._type == item_foodst or -- Cooked meals aren't sold (yet) -- item._type == df.item_drinkst or -- Should always be in a barrel -- item._type == df.item_eggst then -- Don't think there can be egg preferences due to eggs being 3 "creature" parts...
elseif item._type == df.item_barrelst or
item._type == df.item_boxst then -- for bags...
if #item.general_refs > 2 then
local found = false
for k, ref in ipairs (item.general_refs) do
if ref._type == df.general_ref_contains_itemst then
local content = df.item.find (ref.item_id)
for l, preference in ipairs (preferences) do
local matinforet = dfhack.matinfo.decode (preference.mattype, preference.matindex)
if preference.matindex ~= -1 and
content.mat_type == preference.mattype and
content.mat_index == preference.matindex then
local pref
found = true
if preference.item_type == df.item_type.DRINK or
preference.item_type == df.item_type.LIQUID_MISC then
if matinforet.material.prefix == "" then
pref = matinforet.material.state_name.Liquid
else
pref = matinforet.material.prefix .. " " .. matinforet.material.state_name.Liquid
end
dfhack.println ("Buying barrel of " .. pref)
df.global.gview.view.child.child.child.trader_selected [i] = 1
else
if matinforet.material.prefix == "" then
pref = matinforet.material.state_name.Solid
else
pref = matinforet.material.prefix .. " " .. matinforet.material.state_name.Solid
end
dfhack.println ("Buying bag with " .. pref)
df.global.gview.view.child.child.child.trader_selected [i] = 1
end
break
end
end
end
if found then
break
end
end
end
end
end
end
buy_food_needs () </source