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use node_def on_place when it exists. Enables seed placement.

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This commit is contained in:
FaceDeer 2017-10-15 11:54:10 -06:00
parent a386ca7607
commit 3393d44c3b
1 changed files with 32 additions and 16 deletions
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46
util_item_place_node.lua
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@ -1,6 +1,7 @@
-- The default minetest.item_place_node from item.lua was hard to work with given some of the details
-- of how it handled pointed_thing. It also didn't work right with default:torch. It was simpler to
-- just copy it here and chop out the special cases that were causing problems.
-- of how it handled pointed_thing. It also didn't work right with default:torch and seeds. It was simpler to
-- just copy it here and chop out the special cases that were causing problems, and add some special handling.
-- for nodes that define on_place
-- This specific file is therefore licensed under the LGPL 2.1
@ -57,9 +58,8 @@ local function check_attached_node(p, n)
end
digtron.item_place_node = function(itemstack, placer, place_to, param2)
local item = itemstack:peek_item()
local def = itemstack:get_definition()
if def.type ~= "node" then
if not def or def.type ~= "node" then
return itemstack, false
end
@ -68,6 +68,33 @@ digtron.item_place_node = function(itemstack, placer, place_to, param2)
pointed_thing.above = {x=place_to.x, y=place_to.y, z=place_to.z}
pointed_thing.under = {x=place_to.x, y=place_to.y - 1, z=place_to.z}
-- Handle node-specific on_place calls as best we can.
if def.on_place then
if def.paramtype2 == "facedir" then
pointed_thing.under = vector.add(place_to, minetest.facedir_to_dir(param2))
elseif def.paramtype2 == "wallmounted" then
pointed_thing.under = vector.add(place_to, minetest.wallmounted_to_dir(param2))
else
minetest.log("error", "[digtron] the node " .. itemstack:get_name() .. " had an unrecognized paramtype2, " .. dump(def.paramtype2))
pointed_thing.under = {x=place_to.x, y=place_to.y - 1, z=place_to.z}
end
-- pass a copy of the item stack parameter because on_place might modify it directly and then we can't tell if we succeeded or not
-- though note that some mods do "creative_mode" handling within their own on_place methods, which makes it impossible for Digtron
-- to know what to do in that case - if you're in creative_mode Digtron will place such items but it will think it failed and not
-- deduct them from inventory no matter what Digtron's settings are. Unfortunate, but not very harmful and I have no workaround.
local returnstack, success = def.on_place(ItemStack(itemstack), placer, pointed_thing)
if returnstack:get_count() < itemstack:get_count() then success = true end -- some mods neglect to return a success condition
if success then
-- Override the param2 value to force it to be what Digtron wants
local placed_node = minetest.get_node(place_to)
placed_node.param2 = param2
minetest.set_node(place_to, placed_node)
end
return returnstack, success
end
local oldnode = minetest.get_node_or_nil(place_to)
--this should never happen, digtron is testing for adjacent unloaded nodes before getting here.
@ -91,17 +118,6 @@ digtron.item_place_node = function(itemstack, placer, place_to, param2)
return itemstack, false
end
-- digtron HACK! the default torch mod uses "on_place" to change its model to the correct one,
-- not "after_place_node". It probably should be using after_place_node, but until then I must
-- adapt as best I can to the quirks of default.
if newnode.name == "default:torch" then
if newnode.param2 == 0 then
newnode.name = "default:torch_ceiling"
elseif newnode.param2 > 1 then
newnode.name = "default:torch_wall"
end
end
-- Add node and update
minetest.add_node(place_to, newnode)