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let selection and buildable_to checks test for content_ignore; also fixes some border cases for banisters and replacing of unknown nodes

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Tim 2015-09-08 16:52:52 +02:00
parent d5fbfbf305
commit 2896f48ed1
1 changed files with 19 additions and 10 deletions
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29
homedecor/handlers/expansion.lua
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@ -36,22 +36,30 @@ minetest.register_node(placeholder_node, {
buildable_to = false,
})
-- selects which node was pointed at based on it being known, and either clickable or buildable_to
--- select which node was pointed at based on it being known, not ignored, buildable_to
-- returns nil if no node could be selected
local function select_node(pointed_thing)
local pos = pointed_thing.under
local def = minetest.registered_nodes[minetest.get_node(pos).name]
local node = minetest.get_node_or_nil(pos)
local def = node and minetest.registered_nodes[node.name]
if not def or not def.buildable_to then
pos = pointed_thing.above
def = minetest.registered_nodes[minetest.get_node(pos).name]
node = minetest.get_node_or_nil(pos)
def = node and minetest.registered_nodes[node.name]
end
return pos, def
return def and pos, def
end
-- abstract function checking if 2 given nodes can and may be build to a place
--- check if 2 given nodes can and may be build to a place
local function is_buildable_to(placer_name, pos, def, pos2)
local def = def or minetest.registered_nodes[minetest.get_node(pos).name]
local def2 = minetest.registered_nodes[minetest.get_node(pos2).name]
if not def then
local node = minetest.get_node_or_nil(pos)
def = node and minetest.registered_nodes[node.name]
end
local node = minetest.get_node_or_nil(pos2)
local def2 = node and minetest.registered_nodes[node.name]
return def and def.buildable_to and def2 and def2.buildable_to
and not minetest.is_protected(pos, placer_name)
@ -101,7 +109,7 @@ function homedecor.stack_vertically(itemstack, placer, pointed_thing, node1, nod
if rightclick_result then return rightclick_result end
local pos, def = select_node(pointed_thing)
if not def then return itemstack end -- rare corner case, but happened in #205
if not pos then return itemstack end
local top_pos = { x=pos.x, y=pos.y+1, z=pos.z }
@ -116,7 +124,7 @@ function homedecor.stack_wing(itemstack, placer, pointed_thing, node1, node2, no
if rightclick_result then return rightclick_result end
local pos, def = select_node(pointed_thing)
if not def then return itemstack end -- rare corner case, but happened in #205
if not pos then return itemstack end
local forceright = placer:get_player_control()["sneak"]
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
@ -135,7 +143,7 @@ function homedecor.stack_sideways(itemstack, placer, pointed_thing, node1, node2
if rightclick_result then return rightclick_result end
local pos, def = select_node(pointed_thing)
if not def then return itemstack end -- rare corner case, but happened in #205
if not pos then return itemstack end
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
local fdir_transform = dir and homedecor.fdir_to_right or homedecor.fdir_to_fwd
@ -224,6 +232,7 @@ function homedecor.place_banister(itemstack, placer, pointed_thing)
if rightclick_result then return rightclick_result end
local pos, def = select_node(pointed_thing)
if not pos then return itemstack end
local fdir = minetest.dir_to_facedir(placer:get_look_dir())