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Code Issues Releases Wiki Activity

Add 6d facedir rotation prediction routine

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This commit is contained in:
Vanessa Ezekowitz
2013-11-05 02:11:35 -05:00
committed by kwolekr
parent 8903c68460
commit d886f34003
2 changed files with 95 additions and 0 deletions
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78
builtin/misc_helpers.lua
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@ -205,6 +205,84 @@ function tbl.formspec_escape(text)
return text
end
--------------------------------------------------------------------------------
if minetest then
local dirs1 = { 9, 18, 7, 12 }
local dirs2 = { 20, 23, 22, 21 }
function minetest.rotate_and_place(itemstack, placer, pointed_thing, infinitestacks, orient_flags)
local node = minetest.get_node(pointed_thing.under)
if not minetest.registered_nodes[node.name]
or not minetest.registered_nodes[node.name].on_rightclick then
local above = pointed_thing.above
local under = pointed_thing.under
local pitch = placer:get_look_pitch()
local pname = minetest.get_node(under).name
local node = minetest.get_node(above)
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
local wield_name = itemstack:get_name()
local reg_node = minetest.registered_nodes[pname]
if not reg_node or not reg_node.on_rightclick then
local iswall = (above.x ~= under.x) or (above.z ~= under.z)
local isceiling = (above.x == under.x) and (above.z == under.z)
and (pitch > 0)
local pos1 = above
if reg_node and reg_node.buildable_to then
pos1 = under
iswall = false
end
reg_node = minetest.registered_nodes[minetest.get_node(pos1).name]
if not reg_node or not reg_node.buildable_to then
return
end
if orient_flags.force_floor then
iswall = false
isceiling = false
elseif orient_flags.force_ceiling then
iswall = false
isceiling = true
elseif orient_flags.force_wall then
iswall = true
isceiling = false
elseif orient_flags.invert_wall then
iswall = not iswall
end
if iswall then
minetest.add_node(pos1, {name = wield_name, param2 = dirs1[fdir+1] })
elseif isceiling then
if orient_flags.force_facedir then
minetest.add_node(pos1, {name = wield_name, param2 = 20 })
else
minetest.add_node(pos1, {name = wield_name, param2 = dirs2[fdir+1] })
end
else -- place right side up
if orient_flags.force_facedir then
minetest.add_node(pos1, {name = wield_name, param2 = 0 })
else
minetest.add_node(pos1, {name = wield_name, param2 = fdir })
end
end
if not infinitestacks then
itemstack:take_item()
return itemstack
end
end
else
minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack)
end
end
end
--------------------------------------------------------------------------------
-- mainmenu only functions
--------------------------------------------------------------------------------