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More documentation in doc/lua_api.txt

master
Perttu Ahola 2012-03-31 13:08:17 +03:00
parent 280e1a2512
commit e297c73913
2 changed files with 50 additions and 8 deletions
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10
builtin/builtin.lua
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@ -100,7 +100,11 @@ function string:trim()
return (self:gsub("^%s*(.-)%s*$", "%1"))
end
assert(string.trim("\n \t\tfoo\t ") == "foo")
assert(string.trim("\n \t\tfoo bar\t ") == "foo bar")
function minetest.pos_to_string(pos)
return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
end
--
-- Item definition helpers
@ -115,10 +119,6 @@ function minetest.inventorycube(img1, img2, img3)
.. "{" .. img3:gsub("%^", "&")
end
function minetest.pos_to_string(pos)
return "(" .. pos.x .. "," .. pos.y .. "," .. pos.z .. ")"
end
function minetest.get_pointed_thing_position(pointed_thing, above)
if pointed_thing.type == "node" then
if above then

48
doc/lua_api.txt
View File

@ -465,7 +465,11 @@ dump2(obj, name="_", dumped={})
dump(obj, dumped={})
^ Return object serialized as a string
string:split(separator)
^ eg. string:split("a,b", ",") == {"a","b"}
string:trim()
^ eg. string.trim("\n \t\tfoo bar\t ") == "foo bar"
minetest.pos_to_string({x=X,y=Y,z=Z}) -> "(X,Y,Z)"
^ Convert position to a printable string
minetest namespace reference
-----------------------------
@ -529,6 +533,39 @@ minetest.get_inventory(location) -> InvRef
^ location = eg. {type="player", name="celeron55"}
{type="node", pos={x=, y=, z=}}
Item handling:
minetest.inventorycube(img1, img2, img3)
^ Returns a string for making an image of a cube (useful as an item image)
minetest.get_pointed_thing_position(pointed_thing, above)
^ Get position of a pointed_thing (that you can get from somewhere)
minetest.dir_to_facedir(dir)
^ Convert a vector to a facedir value, used in param2 for paramtype2="facedir"
minetest.dir_to_wallmounted(dir)
^ Convert a vector to a wallmounted value, used for paramtype2="wallmounted"
minetest.get_node_drops(nodename, toolname)
^ Get list of ItemStacks.
^ Note: This will be removed or modified in a future version.
Defaults for the on_* item definition functions:
(These return the leftover itemstack)
minetest.item_place_node(itemstack, placer, pointed_thing)
^ Place item as a node
minetest.item_place_object(itemstack, placer, pointed_thing)
^ Place item as-is
minetest.item_place(itemstack, placer, pointed_thing)
^ Use one of the above based on what the item is.
minetest.item_drop(itemstack, dropper, pos)
^ Drop the item
minetest.item_eat(hp_change, replace_with_item)
^ Eat the item. replace_with_item can be nil.
Defaults for the on_punch and on_dig node definition callbacks:
minetest.node_punch(pos, node, puncher)
^ Calls functions registered by minetest.register_on_punchnode()
minetest.node_dig(pos, node, digger)
^ Checks if node can be dug, puts item into inventory, removes node
^ Calls functions registered by minetest.registered_on_dignodes()
Sounds:
minetest.sound_play(spec, parameters) -> handle
^ spec = SimpleSoundSpec
@ -803,9 +840,14 @@ Item definition (register_node, register_craftitem, register_tool)
choppy={times={[3]=0.90}, maxwear=0.05, maxlevel=0}
}
}
on_drop = func(item, dropper, pos),
on_place = func(item, placer, pointed_thing),
on_use = func(item, user, pointed_thing),
on_drop = func(itemstack, dropper, pos),
on_place = func(itemstack, placer, pointed_thing),
on_use = func(itemstack, user, pointed_thing),
^ Function must return either nil if no item shall be removed from
inventory, or an itemstack to replace the original itemstack.
eg. itemstack:take_item(); return itemstack
^ Otherwise, the function is free to do what it wants.
^ The default functions handle regular use cases.
}
Node definition (register_node)