nalc_game/mods/stairs/init.lua

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-- Minetest 0.4 mod: stairs
-- See README.txt for licensing and other information.
stairs = {}
-- Node will be called modname:stair_<subname>
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function stairs.register_stair(subname, recipeitem, groups, images, description, sounds)
local modname = minetest.get_current_modname()
minetest.register_node(modname..":stair_" .. subname, {
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description = description,
drawtype = "nodebox",
tiles = images,
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = true,
groups = groups,
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sounds = sounds,
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node_box = {
type = "fixed",
fixed = {
{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
{-0.5, 0, 0, 0.5, 0.5, 0.5},
},
},
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on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
local p0 = pointed_thing.under
local p1 = pointed_thing.above
if p0.y-1 == p1.y then
local fakestack = ItemStack(modname..":stair_" .. subname.."upside_down")
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local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
-- Otherwise place regularly
return minetest.item_place(itemstack, placer, pointed_thing)
end,
})
minetest.register_node(modname..":stair_" .. subname.."upside_down", {
drop = modname..":stair_" .. subname,
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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},
},
},
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})
minetest.register_craft({
output = modname..':stair_' .. subname .. ' 4',
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recipe = {
{recipeitem, "", ""},
{recipeitem, recipeitem, ""},
{recipeitem, recipeitem, recipeitem},
},
})
-- Flipped recipe for the silly minecrafters
minetest.register_craft({
output = modname..':stair_' .. subname .. ' 4',
recipe = {
{"", "", recipeitem},
{"", recipeitem, recipeitem},
{recipeitem, recipeitem, recipeitem},
},
})
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end
-- Node will be called modname:slab_<subname>
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function stairs.register_slab(subname, recipeitem, groups, images, description, sounds)
local modname = minetest.get_current_modname()
minetest.register_node(modname..":slab_" .. subname, {
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description = description,
drawtype = "nodebox",
tiles = images,
paramtype = "light",
is_ground_content = true,
groups = groups,
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sounds = sounds,
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node_box = {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
},
selection_box = {
type = "fixed",
fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
},
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return itemstack
end
-- If it's being placed on an another similar one, replace it with
-- a full block
local slabpos = nil
local slabnode = nil
local p0 = pointed_thing.under
local p1 = pointed_thing.above
local n0 = minetest.env:get_node(p0)
if n0.name == modname..":slab_" .. subname and
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p0.y+1 == p1.y then
slabpos = p0
slabnode = n0
end
if slabpos then
-- Remove the slab at slabpos
minetest.env:remove_node(slabpos)
-- Make a fake stack of a single item and try to place it
local fakestack = ItemStack(recipeitem)
pointed_thing.above = slabpos
fakestack = 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)
-- Else put old node back
else
minetest.env:set_node(slabpos, slabnode)
end
return itemstack
end
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-- Upside down slabs
if p0.y-1 == p1.y then
-- Turn into full block if pointing at a existing slab
if n0.name == modname..":slab_" .. subname.."upside_down" then
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-- Remove the slab at the position of the slab
minetest.env:remove_node(p0)
-- Make a fake stack of a single item and try to place it
local fakestack = ItemStack(recipeitem)
pointed_thing.above = p0
fakestack = 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)
-- Else put old node back
else
minetest.env:set_node(p0, n0)
end
return itemstack
end
-- Place upside down slab
local fakestack = ItemStack(modname..":slab_" .. subname.."upside_down")
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local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
-- If pointing at the side of a upside down slab
if n0.name == modname..":slab_" .. subname.."upside_down" and
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p0.y+1 ~= p1.y then
-- Place upside down slab
local fakestack = ItemStack(modname..":slab_" .. subname.."upside_down")
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local ret = minetest.item_place(fakestack, placer, pointed_thing)
if ret:is_empty() then
itemstack:take_item()
return itemstack
end
end
-- Otherwise place regularly
return minetest.item_place(itemstack, placer, pointed_thing)
end,
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})
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minetest.register_node(modname..":slab_" .. subname.."upside_down", {
drop = modname..":slab_"..subname,
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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},
},
selection_box = {
type = "fixed",
fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
},
})
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minetest.register_craft({
output = modname..':slab_' .. subname .. ' 3',
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recipe = {
{recipeitem, recipeitem, recipeitem},
},
})
end
-- Nodes will be called modname:{stair,slab}_<subname>
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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)
stairs.register_slab(subname, recipeitem, groups, images, desc_slab, sounds)
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end
stairs.register_stair_and_slab("wood", "default:wood",
{snappy=2,choppy=2,oddly_breakable_by_hand=2},
{"default_wood.png"},
"Wooden stair",
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"Wooden slab",
default.node_sound_wood_defaults())
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stairs.register_stair_and_slab("stone", "default:stone",
{cracky=3},
{"default_stone.png"},
"Stone stair",
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"Stone slab",
default.node_sound_stone_defaults())
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stairs.register_stair_and_slab("cobble", "default:cobble",
{cracky=3},
{"default_cobble.png"},
"Cobble stair",
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"Cobble slab",
default.node_sound_stone_defaults())
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stairs.register_stair_and_slab("brick", "default:brick",
{cracky=3},
{"default_brick.png"},
"Brick stair",
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"Brick slab",
default.node_sound_stone_defaults())
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stairs.register_stair_and_slab("sandstone", "default:sandstone",
{crumbly=2,cracky=2},
{"default_sandstone.png"},
"Sandstone stair",
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"Sandstone slab",
default.node_sound_stone_defaults())