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Use 6d facedir to place upside down slabs and stairs
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PilzAdam committed Sep 28, 2013
1 parent a4823a4 commit 3804d8a078dc5474501463c8f331b91a0873cf3a
Showing 1 changed file with 69 additions and 59 deletions.
@@ -28,36 +28,35 @@ function stairs.register_stair(subname, recipeitem, groups, images, description,

local p0 = pointed_thing.under
local p1 = pointed_thing.above
local param2 = 0

local placer_pos = placer:getpos()
if placer_pos then
local dir = {
x = p1.x - placer_pos.x,
y = p1.y - placer_pos.y,
z = p1.z - placer_pos.z
}
param2 = minetest.dir_to_facedir(dir)
end

if p0.y-1 == p1.y then
local fakestack = ItemStack("stairs:stair_" .. subname.."upside_down")
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
param2 = param2 + 20
if param2 == 21 then
param2 = 23
elseif param2 == 23 then
param2 = 21
end
end

-- Otherwise place regularly
return minetest.item_place(itemstack, placer, pointed_thing)
return minetest.item_place(itemstack, placer, pointed_thing, param2)
end,
})

-- for replace ABM
minetest.register_node(":stairs:stair_" .. subname.."upside_down", {
drop = "stairs:stair_" .. subname,
drawtype = "nodebox",
tiles = images,
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = true,
groups = groups,
sounds = sounds,
node_box = {
type = "fixed",
fixed = {
{-0.5, 0, -0.5, 0.5, 0.5, 0.5},
{-0.5, -0.5, 0, 0.5, 0, 0.5},
},
},
replace_name = "stairs:stair_" .. subname,
groups = {slabs_replace=1},
})

minetest.register_craft({
@@ -87,6 +86,7 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
drawtype = "nodebox",
tiles = images,
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = true,
groups = groups,
sounds = sounds,
@@ -106,21 +106,32 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
local p0 = pointed_thing.under
local p1 = pointed_thing.above
local n0 = minetest.get_node(p0)
if n0.name == "stairs:slab_" .. subname and
p0.y+1 == p1.y then
local n1 = minetest.get_node(p1)
local param2 = 0

local n0_is_upside_down = (n0.name == "stairs:slab_" .. subname and
n0.param2 >= 20)

if n0.name == "stairs:slab_" .. subname and not n0_is_upside_down and p0.y+1 == p1.y then
slabpos = p0
slabnode = n0
elseif n1.name == "stairs:slab_" .. subname then
slabpos = p1
slabnode = n1
end
if slabpos then
-- Remove the slab at slabpos
minetest.remove_node(slabpos)
-- Make a fake stack of a single item and try to place it
local fakestack = ItemStack(recipeitem)
fakestack:set_count(itemstack:get_count())

pointed_thing.above = slabpos
fakestack = minetest.item_place(fakestack, placer, pointed_thing)
local success
fakestack, success = minetest.item_place(fakestack, placer, pointed_thing)
-- If the item was taken from the fake stack, decrement original
if not fakestack or fakestack:is_empty() then
itemstack:take_item(1)
if success then
itemstack:set_count(fakestack:get_count())
-- Else put old node back
else
minetest.set_node(slabpos, slabnode)
@@ -131,16 +142,19 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
-- Upside down slabs
if p0.y-1 == p1.y then
-- Turn into full block if pointing at a existing slab
if n0.name == "stairs:slab_" .. subname.."upside_down" then
if n0_is_upside_down then
-- Remove the slab at the position of the slab
minetest.remove_node(p0)
-- Make a fake stack of a single item and try to place it
local fakestack = ItemStack(recipeitem)
fakestack:set_count(itemstack:get_count())

pointed_thing.above = p0
fakestack = minetest.item_place(fakestack, placer, pointed_thing)
local success
fakestack, success = minetest.item_place(fakestack, placer, pointed_thing)
-- If the item was taken from the fake stack, decrement original
if not fakestack or fakestack:is_empty() then
itemstack:take_item(1)
if success then
itemstack:set_count(fakestack:get_count())
-- Else put old node back
else
minetest.set_node(p0, n0)
@@ -149,43 +163,22 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
end

-- Place upside down slab
local fakestack = ItemStack("stairs:slab_" .. subname.."upside_down")
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
param2 = 20
end

-- If pointing at the side of a upside down slab
if n0.name == "stairs:slab_" .. subname.."upside_down" and
p0.y+1 ~= p1.y then
-- Place upside down slab
local fakestack = ItemStack("stairs:slab_" .. subname.."upside_down")
local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
if n0_is_upside_down and p0.y+1 ~= p1.y then
param2 = 20
end

-- Otherwise place regularly
return minetest.item_place(itemstack, placer, pointed_thing)
return minetest.item_place(itemstack, placer, pointed_thing, param2)
end,
})

-- for replace ABM
minetest.register_node(":stairs:slab_" .. subname.."upside_down", {
drop = "stairs:slab_"..subname,
drawtype = "nodebox",
tiles = images,
paramtype = "light",
is_ground_content = true,
groups = groups,
sounds = sounds,
node_box = {
type = "fixed",
fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
},
replace_name = "stairs:slab_"..subname,
groups = {slabs_replace=1},
})

minetest.register_craft({
@@ -196,6 +189,23 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
})
end

-- Replace old "upside_down" nodes with new param2 versions
minetest.register_abm({
nodenames = {"group:slabs_replace"},
interval = 1,
chance = 1,
action = function(pos, node)
node.name = minetest.registered_nodes[node.name].replace_name
node.param2 = node.param2 + 20
if node.param2 == 21 then
node.param2 = 23
elseif node.param2 == 23 then
node.param2 = 21
end
minetest.set_node(pos, node)
end,
})

-- Nodes will be called stairs:{stair,slab}_<subname>
function stairs.register_stair_and_slab(subname, recipeitem, groups, images, desc_stair, desc_slab, sounds)
stairs.register_stair(subname, recipeitem, groups, images, desc_stair, sounds)

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