minetest-mods/throwing
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Tell the allow_shot function if it is its last run

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upsilon 2017-07-09 11:12:04 +02:00
parent 164bf6b5fc
commit e9acbfa6d1
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2 changed files with 6 additions and 3 deletions
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5
README.md
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@ -39,9 +39,12 @@ Definition: definition table, containing:
* texture (essential): texture of the bow, shown in inventory.
* groups (optional): groups of the item.
* uses: number of uses of the bow (default is 50).
* allow_shot (optional): function(player, itemstack, index):
* allow_shot (optional): function(player, itemstack, index, last_run):
- player: the player using the bow
- itemstack: the itemstack of the bow
- index: index of the arrow in the inventory
- last_run: whether this is the last time this function is called before actually calling `spawn_arrow_entity`.
Currently, `allow_shot` is actually run twice (once before the delay, and once after).
- should return true if the shot can be made, and false otherwise
- the default function checks that the arrow to be thrown is a registered arrow
- it can return a second return value, which is the new itemstack

4
init.lua
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@ -338,7 +338,7 @@ function throwing.register_bow(name, def)
local bow_index = user:get_wield_index()
local arrow_index = (def.throw_itself and bow_index) or bow_index+1
local res, new_stack = def.allow_shot(user, user:get_inventory():get_stack("main", arrow_index), arrow_index)
local res, new_stack = def.allow_shot(user, user:get_inventory():get_stack("main", arrow_index), arrow_index, false)
if not res then
return (def.throw_itself and new_stack) or itemstack
end
@ -352,7 +352,7 @@ function throwing.register_bow(name, def)
minetest.after(def.delay or 0, function()
-- Re-check that the arrow can be thrown. Overwrite the new_stack
local old_new_stack = new_stack
res, new_stack = def.allow_shot(user, user:get_inventory():get_stack("main", arrow_index), arrow_index)
res, new_stack = def.allow_shot(user, user:get_inventory():get_stack("main", arrow_index), arrow_index, true)
if not new_stack then
new_stack = old_new_stack
end