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implemented precondition player_offered_item

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Sokomine 2022-01-05 18:16:21 +01:00
parent 2c8437f6a4
commit 6ccf9cfdb5
1 changed files with 47 additions and 0 deletions
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47
fs_edit_preconditions.lua
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@ -565,6 +565,53 @@ yl_speak_up.eval_precondition = function(player, n_id, p, other_options_true_or_
return inv:is_empty(inv_name)
end
return false
elseif(p.p_type == "player_offered_item") then
local pname = player:get_player_name()
local inv = minetest.get_inventory({type="detached", name="yl_speak_up_player_"..pname})
local stack_got = inv:get_stack("npc_wants",1)
if(stack_got:is_empty()) then
return false -- empty stack
end
local stack_wanted = ItemStack(p.p_value)
-- check group
if(p.p_item_group and p.p_item_group ~= "") then
local g = minetest.get_item_group(stack_got:get_name(), p.p_item_group)
if(not(g) or g == 0) then
return false -- wrong group
end
-- or: check item name
elseif(stack_got:get_name() ~= stack_wanted:get_name()) then
return false -- wrong item
end
-- independent of that: check stack size
if(p.p_match_stack_size and p.p_match_stack_size ~= "") then
local c_got = stack_got:get_count()
local c_wanted = stack_wanted:get_count()
if( p.p_match_stack_size == "exactly" and c_got ~= c_wanted) then
return false -- not exactly the same amount as the wanted one
elseif(p.p_match_stack_size == "less" and c_got >= c_wanted) then
return false -- didn't get less than the given number
elseif(p.p_match_stack_size == "more" and c_got <= c_wanted) then
return false -- didn't get more than the given number
elseif(p.p_match_stack_size == "another" and c_got == c_wanted) then
return false -- got the same than the given number
end
end
-- check quest_id
if(p.p_item_quest_id and p.p_item_quest_id ~= "") then
local meta = stack_got:get_meta()
-- we don't check here if the item was given by the right NPC;
-- only the quest id has to fit
if(meta:get_string("yl_speak_up:quest_id") ~= p.p_item_quest_id) then
return false -- wrong quest_id
end
-- was this quest item given to another player?
if(meta:get_string("yl_speak_up:quest_item_for") ~= pname) then
return false -- wrong player
end
end
-- all ok
return true
elseif(p.p_type == "custom") then
-- execute the custom function
return yl_speak_up.precondition_custom(player, p.p_value)