VoxeLibre/mods/mcstair/init.lua

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2017-01-16 12:47:32 +01:00
mcstair = {}
local get_stair_param = function(node)
local stair = minetest.get_item_group(node.name, "stair")
if stair == 1 then
return node.param2
elseif stair == 2 then
if node.param2 < 12 then
return node.param2 + 4
else
return node.param2 - 4
end
elseif stair == 3 then
if node.param2 < 12 then
return node.param2 + 8
else
return node.param2 - 8
end
end
end
local get_stair_from_param = function(param, stairs)
if param < 12 then
if param < 4 then
return {name = stairs[1], param2 = param}
elseif param < 8 then
return {name = stairs[2], param2 = param - 4}
else
return {name = stairs[3], param2 = param - 8}
end
else
if param >= 20 then
return {name = stairs[1], param2 = param}
elseif param >= 16 then
return {name = stairs[2], param2 = param + 4}
else
return {name = stairs[3], param2 = param + 8}
end
end
end
local stair_param_to_connect = function(param, ceiling)
local out = {false, false, false, false, false, false, false, false}
if not ceiling then
if param == 0 then
out[3] = true
out[8] = true
elseif param == 1 then
out[2] = true
out[5] = true
elseif param == 2 then
out[4] = true
out[7] = true
elseif param == 3 then
out[1] = true
out[6] = true
elseif param == 4 then
out[1] = true
out[8] = true
elseif param == 5 then
out[2] = true
out[3] = true
elseif param == 6 then
out[4] = true
out[5] = true
elseif param == 7 then
out[6] = true
out[7] = true
elseif param == 8 then
out[3] = true
out[6] = true
elseif param == 9 then
out[5] = true
out[8] = true
elseif param == 10 then
out[2] = true
out[7] = true
elseif param == 11 then
out[1] = true
out[4] = true
end
else
if param == 12 then
out[5] = true
out[8] = true
elseif param == 13 then
out[3] = true
out[6] = true
elseif param == 14 then
out[1] = true
out[4] = true
elseif param == 15 then
out[2] = true
out[7] = true
elseif param == 16 then
out[2] = true
out[3] = true
elseif param == 17 then
out[1] = true
out[8] = true
elseif param == 18 then
out[6] = true
out[7] = true
elseif param == 19 then
out[4] = true
out[5] = true
elseif param == 20 then
out[3] = true
out[8] = true
elseif param == 21 then
out[1] = true
out[6] = true
elseif param == 22 then
out[4] = true
out[7] = true
elseif param == 23 then
out[2] = true
out[5] = true
end
end
return out
end
local stair_connect_to_param = function(connect, ceiling)
local param
if not ceiling then
if connect[3] and connect[8] then
param = 0
elseif connect[2] and connect[5] then
param = 1
elseif connect[4] and connect[7] then
param = 2
elseif connect[1] and connect[6] then
param = 3
elseif connect[1] and connect[8] then
param = 4
elseif connect[2] and connect[3] then
param = 5
elseif connect[4] and connect[5] then
param = 6
elseif connect[6] and connect[7] then
param = 7
elseif connect[3] and connect[6] then
param = 8
elseif connect[5] and connect[8] then
param = 9
elseif connect[2] and connect[7] then
param = 10
elseif connect[1] and connect[4] then
param = 11
end
else
if connect[5] and connect[8] then
param = 12
elseif connect[3] and connect[6] then
param = 13
elseif connect[1] and connect[4] then
param = 14
elseif connect[2] and connect[7] then
param = 15
elseif connect[2] and connect[3] then
param = 16
elseif connect[1] and connect[8] then
param = 17
elseif connect[6] and connect[7] then
param = 18
elseif connect[4] and connect[5] then
param = 19
elseif connect[3] and connect[8] then
param = 20
elseif connect[1] and connect[6] then
param = 21
elseif connect[4] and connect[7] then
param = 22
elseif connect[2] and connect[5] then
param = 23
end
end
return param
end
function mcstair.add(name, stairtiles)
local node_def = minetest.registered_nodes[name]
local outer_tiles
local inner_tiles
if stairtiles then
outer_tiles = stairtiles[1]
inner_tiles = stairtiles[2]
else
outer_tiles = node_def.tiles
inner_tiles = node_def.tiles
end
local outer_groups = table.copy(node_def.groups)
outer_groups.not_in_creative_inventory = 1
local inner_groups = table.copy(outer_groups)
outer_groups.stair = 2
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outer_groups.not_in_craft_guide = 1
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inner_groups.stair = 3
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inner_groups.not_in_craft_guide = 1
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local drop = node_def.drop or name
local after_dig_node = function(pos, oldnode)
local param = get_stair_param(oldnode)
local ceiling
if param < 12 then
ceiling = false
else
ceiling = true
end
local connect = stair_param_to_connect(param, ceiling)
local t = {
{pos = {x = pos.x, y = pos.y, z = pos.z + 2}},
{pos = {x = pos.x - 1, y = pos.y, z = pos.z + 1}}, {pos = {x = pos.x, y = pos.y, z = pos.z + 1}}, {pos = {x = pos.x + 1, y = pos.y, z = pos.z + 1}},
{pos = {x = pos.x - 2, y = pos.y, z = pos.z}}, {pos = {x = pos.x - 1, y = pos.y, z = pos.z}},
{pos = pos, connect = connect},
{pos = {x = pos.x + 1, y = pos.y, z = pos.z}}, {pos = {x = pos.x + 2, y = pos.y, z = pos.z}},
{pos = {x = pos.x - 1, y = pos.y, z = pos.z - 1}}, {pos = {x = pos.x, y = pos.y, z = pos.z - 1}}, {pos = {x = pos.x + 1, y = pos.y, z = pos.z - 1}},
{pos = {x = pos.x, y = pos.y, z = pos.z - 2}}
}
for i,v in ipairs(t) do
if not v.connect then
local node = minetest.get_node(v.pos)
local node_def = minetest.registered_nodes[node.name]
if node_def.stairs then
t[i].stairs = node_def.stairs
t[i].connect = stair_param_to_connect(get_stair_param(node), ceiling)
else
t[i].connect = {false, false, false, false, false, false, false, false}
end
end
end
local swap_stair = function(index, n1, n2)
local connect = {false, false, false, false, false, false, false, false}
connect[n1] = true
connect[n2] = true
local node = get_stair_from_param(stair_connect_to_param(connect, ceiling), t[index].stairs)
minetest.swap_node(t[index].pos, node)
end
if t[3].stairs then
if t[7].connect[1] and t[3].connect[6] then
if t[3].connect[1] and t[1].connect[6] then
if t[2].connect[3] then
swap_stair(3, 1, 8)
elseif t[4].connect[7] then
swap_stair(3, 1, 4)
end
elseif t[3].connect[7] then
swap_stair(3, 4, 7)
elseif t[3].connect[3] then
swap_stair(3, 3, 8)
end
elseif t[7].connect[2] and t[3].connect[5] then
if t[3].connect[2] and t[1].connect[5] then
if t[4].connect[8] then
swap_stair(3, 2, 3)
elseif t[2].connect[4] then
swap_stair(3, 2, 7)
end
elseif t[3].connect[4] then
swap_stair(3, 4, 7)
elseif t[3].connect[8] then
swap_stair(3, 3, 8)
end
end
end
if t[8].stairs then
if t[7].connect[3] and t[8].connect[8] then
if t[8].connect[3] and t[9].connect[8] then
if t[4].connect[5] then
swap_stair(8, 2, 3)
elseif t[12].connect[1] then
swap_stair(8, 3, 6)
end
elseif t[8].connect[1] then
swap_stair(8, 1, 6)
elseif t[8].connect[5] then
swap_stair(8, 2, 5)
end
elseif t[7].connect[4] and t[8].connect[7] then
if t[8].connect[4] and t[9].connect[7] then
if t[12].connect[2] then
swap_stair(8, 4, 5)
elseif t[4].connect[6] then
swap_stair(8, 1, 4)
end
elseif t[8].connect[6] then
swap_stair(8, 1, 6)
elseif t[8].connect[2] then
swap_stair(8, 2, 5)
end
end
end
if t[11].stairs then
if t[7].connect[5] and t[11].connect[2] then
if t[11].connect[5] and t[13].connect[2] then
if t[12].connect[7] then
swap_stair(11, 4, 5)
elseif t[10].connect[3] then
swap_stair(11, 5, 8)
end
elseif t[11].connect[3] then
swap_stair(11, 3, 8)
elseif t[11].connect[7] then
swap_stair(11, 4, 7)
end
elseif t[7].connect[6] and t[11].connect[1] then
if t[11].connect[6] and t[13].connect[1] then
if t[10].connect[4] then
swap_stair(11, 6, 7)
elseif t[12].connect[8] then
swap_stair(11, 3, 6)
end
elseif t[11].connect[8] then
swap_stair(11, 3, 8)
elseif t[11].connect[4] then
swap_stair(11, 4, 7)
end
end
end
if t[6].stairs then
if t[7].connect[7] and t[6].connect[4] then
if t[6].connect[7] and t[5].connect[4] then
if t[10].connect[1] then
swap_stair(6, 6, 7)
elseif t[2].connect[5] then
swap_stair(6, 2, 7)
end
elseif t[6].connect[5] then
swap_stair(6, 2, 5)
elseif t[6].connect[1] then
swap_stair(6, 1, 6)
end
elseif t[7].connect[8] and t[6].connect[3] then
if t[6].connect[8] and t[5].connect[3] then
if t[2].connect[6] then
swap_stair(6, 1, 8)
elseif t[10].connect[2] then
swap_stair(6, 5, 8)
end
elseif t[6].connect[2] then
swap_stair(6, 2, 5)
elseif t[6].connect[6] then
swap_stair(6, 1, 6)
end
end
end
end
minetest.override_item(name, {
stairs = {name, name.."_outer", name.."_inner"},
after_dig_node = function(pos, oldnode) after_dig_node(pos, oldnode) end,
on_place = nil,
after_place_node = function(pos, placer, itemstack, pointed_thing)
local node = minetest.get_node(pos)
local ceiling = false
if pointed_thing.under.y > pointed_thing.above.y then
ceiling = true
if node.param2 == 0 then node.param2 = 20
elseif node.param2 == 1 then node.param2 = 23
elseif node.param2 == 2 then node.param2 = 22
elseif node.param2 == 3 then node.param2 = 21
end
end
local connect = stair_param_to_connect(get_stair_param(node), ceiling)
local t = {
{pos = {x = pos.x - 1, y = pos.y, z = pos.z + 1}}, {pos = {x = pos.x, y = pos.y, z = pos.z + 1}}, {pos = {x = pos.x + 1, y = pos.y, z = pos.z + 1}},
{pos = {x = pos.x - 1, y = pos.y, z = pos.z}}, {pos = pos, stairs = {name, name.."_outer", name.."_inner"}, connect = connect}, {pos = {x = pos.x + 1, y = pos.y, z = pos.z}},
{pos = {x = pos.x - 1, y = pos.y, z = pos.z - 1}}, {pos = {x = pos.x, y = pos.y, z = pos.z - 1}}, {pos = {x = pos.x + 1, y = pos.y, z = pos.z - 1}},
}
for i,v in ipairs(t) do
if not v.connect then
local node = minetest.get_node(v.pos)
local node_def = minetest.registered_nodes[node.name]
if node_def.stairs then
t[i].stairs = node_def.stairs
t[i].connect = stair_param_to_connect(get_stair_param(node), ceiling)
else
t[i].connect = {false, false, false, false, false, false, false, false}
end
end
end
local reset_node = function(n1, n2)
local connect = {false, false, false, false, false, false, false, false}
connect[n1] = true
connect[n2] = true
node = get_stair_from_param(stair_connect_to_param(connect, ceiling), t[5].stairs)
end
local swap_stair = function(index, n1, n2)
local connect = {false, false, false, false, false, false, false, false}
connect[n1] = true
connect[n2] = true
local node = get_stair_from_param(stair_connect_to_param(connect, ceiling), t[index].stairs)
t[index].connect = connect
minetest.swap_node(t[index].pos, node)
end
if connect[3] then
if t[4].connect[2] and t[4].connect[5] and t[1].connect[5] and not t[7].connect[2] then
swap_stair(4, 2, 3)
elseif t[4].connect[1] and t[4].connect[6] and t[7].connect[1] and not t[1].connect[6] then
swap_stair(4, 3, 6)
end
if t[6].connect[1] and t[6].connect[6] and t[3].connect[6] and not t[9].connect[1] then
swap_stair(6, 1, 8)
elseif t[6].connect[2] and t[6].connect[5] and t[9].connect[2] and not t[3].connect[5] then
swap_stair(6, 5, 8)
end
if t[4].connect[3] ~= t[6].connect[8] then
if t[4].connect[3] then
if t[2].connect[6] then
reset_node(1, 8)
elseif t[8].connect[2] then
reset_node(5, 8)
elseif t[2].connect[4] and t[2].connect[7] and t[1].connect[4] and not t[3].connect[7] then
swap_stair(2, 6, 7)
reset_node(1, 8)
elseif t[2].connect[3] and t[2].connect[8] and t[3].connect[8] and not t[1].connect[3] then
swap_stair(2, 3, 6)
reset_node(1, 8)
elseif t[8].connect[3] and t[8].connect[8] and t[9].connect[8] and not t[7].connect[3] then
swap_stair(8, 2, 3)
reset_node(5, 8)
elseif t[8].connect[4] and t[8].connect[7] and t[7].connect[4] and not t[9].connect[7] then
swap_stair(8, 2, 7)
reset_node(5, 8)
end
else
if t[2].connect[5] then
reset_node(2, 3)
elseif t[8].connect[1] then
reset_node(3, 6)
elseif t[2].connect[4] and t[2].connect[7] and t[3].connect[7] and not t[1].connect[4] then
swap_stair(2, 4, 5)
reset_node(2, 3)
elseif t[2].connect[3] and t[2].connect[8] and t[1].connect[3] and not t[3].connect[8] then
swap_stair(2, 5, 8)
reset_node(2, 3)
elseif t[8].connect[3] and t[8].connect[8] and t[7].connect[3] and not t[9].connect[8] then
swap_stair(8, 1, 8)
reset_node(3, 6)
elseif t[8].connect[4] and t[8].connect[7] and t[9].connect[7] and not t[7].connect[4] then
swap_stair(8, 1, 4)
reset_node(3, 6)
end
end
end
elseif connect[2] then
if t[2].connect[4] and t[2].connect[7] and t[3].connect[7] and not t[1].connect[4] then
swap_stair(2, 4, 5)
elseif t[2].connect[3] and t[2].connect[8] and t[1].connect[3] and not t[3].connect[8] then
swap_stair(2, 5, 8)
end
if t[8].connect[3] and t[8].connect[8] and t[9].connect[8] and not t[7].connect[3] then
swap_stair(8, 2, 3)
elseif t[8].connect[4] and t[8].connect[7] and t[7].connect[4] and not t[9].connect[7] then
swap_stair(8, 2, 7)
end
if t[2].connect[5] ~= t[8].connect[2] then
if t[2].connect[5] then
if t[6].connect[8] then
reset_node(2, 3)
elseif t[4].connect[4] then
reset_node(2, 7)
elseif t[6].connect[1] and t[6].connect[6] and t[3].connect[6] and not t[9].connect[1] then
swap_stair(6, 1, 8)
reset_node(2, 3)
elseif t[6].connect[2] and t[6].connect[5] and t[9].connect[2] and not t[3].connect[5] then
swap_stair(6, 5, 8)
reset_node(2, 3)
elseif t[4].connect[2] and t[4].connect[5] and t[7].connect[2] and not t[1].connect[5] then
swap_stair(4, 4, 5)
reset_node(2, 7)
elseif t[4].connect[1] and t[4].connect[6] and t[1].connect[6] and not t[7].connect[1] then
swap_stair(4, 1, 4)
reset_node(2, 7)
end
else
if t[6].connect[7] then
reset_node(4, 5)
elseif t[4].connect[3] then
reset_node(5, 8)
elseif t[6].connect[1] and t[6].connect[6] and t[9].connect[1] and not t[3].connect[6] then
swap_stair(6, 6, 7)
reset_node(4, 5)
elseif t[6].connect[2] and t[6].connect[5] and t[3].connect[5] and not t[9].connect[2] then
swap_stair(6, 2, 7)
reset_node(4, 5)
elseif t[4].connect[2] and t[4].connect[5] and t[1].connect[5] and not t[7].connect[2] then
swap_stair(4, 2, 3)
reset_node(5, 8)
elseif t[4].connect[1] and t[4].connect[6] and t[7].connect[1] and not t[1].connect[6] then
swap_stair(4, 3, 6)
reset_node(5, 8)
end
end
end
elseif connect[4] then
if t[6].connect[1] and t[6].connect[6] and t[9].connect[1] and not t[3].connect[6] then
swap_stair(6, 6, 7)
elseif t[6].connect[2] and t[6].connect[5] and t[3].connect[5] and not t[9].connect[2] then
swap_stair(6, 2, 7)
end
if t[4].connect[2] and t[4].connect[5] and t[7].connect[2] and not t[1].connect[5] then
swap_stair(4, 4, 5)
elseif t[4].connect[1] and t[4].connect[6] and t[1].connect[6] and not t[7].connect[1] then
swap_stair(4, 1, 4)
end
if t[4].connect[4] ~= t[6].connect[7] then
if t[4].connect[4] then
if t[8].connect[1] then
reset_node(6, 7)
elseif t[2].connect[5] then
reset_node(2, 7)
elseif t[8].connect[3] and t[8].connect[8] and t[7].connect[3] and not t[9].connect[8] then
swap_stair(8, 1, 8)
reset_node(6, 7)
elseif t[8].connect[4] and t[8].connect[7] and t[9].connect[7] and not t[7].connect[4] then
swap_stair(8, 1, 4)
reset_node(6, 7)
elseif t[2].connect[4] and t[2].connect[7] and t[3].connect[7] and not t[1].connect[4] then
swap_stair(2, 4, 5)
reset_node(2, 7)
elseif t[2].connect[3] and t[2].connect[8] and t[1].connect[3] and not t[3].connect[8] then
swap_stair(2, 5, 8)
reset_node(2, 7)
end
else
if t[8].connect[2] then
reset_node(4, 5)
elseif t[2].connect[6] then
reset_node(1, 4)
elseif t[8].connect[3] and t[8].connect[8] and t[9].connect[8] and not t[7].connect[3] then
swap_stair(8, 2, 3)
reset_node(4, 5)
elseif t[8].connect[4] and t[8].connect[7] and t[7].connect[4] and not t[9].connect[7] then
swap_stair(8, 2, 7)
reset_node(4, 5)
elseif t[2].connect[4] and t[2].connect[7] and t[1].connect[4] and not t[3].connect[7] then
swap_stair(2, 6, 7)
reset_node(1, 4)
elseif t[2].connect[3] and t[2].connect[8] and t[3].connect[8] and not t[1].connect[3] then
swap_stair(2, 3, 6)
reset_node(1, 4)
end
end
end
elseif connect[1] then
if t[8].connect[3] and t[8].connect[8] and t[7].connect[3] and not t[9].connect[8] then
swap_stair(8, 1, 8)
elseif t[8].connect[4] and t[8].connect[7] and t[9].connect[7] and not t[7].connect[4] then
swap_stair(8, 1, 4)
end
if t[2].connect[4] and t[2].connect[7] and t[1].connect[4] and not t[3].connect[7] then
swap_stair(2, 6, 7)
elseif t[2].connect[3] and t[2].connect[8] and t[3].connect[8] and not t[1].connect[3] then
swap_stair(2, 3, 6)
end
if t[2].connect[6] ~= t[8].connect[1] then
if t[2].connect[6] then
if t[4].connect[3] then
reset_node(1, 8)
elseif t[6].connect[7] then
reset_node(1, 4)
elseif t[4].connect[2] and t[4].connect[5] and t[1].connect[5] and not t[7].connect[2] then
swap_stair(4, 2, 3)
reset_node(1, 8)
elseif t[4].connect[1] and t[4].connect[6] and t[7].connect[1] and not t[1].connect[6] then
swap_stair(4, 3, 6)
reset_node(1, 8)
elseif t[6].connect[1] and t[6].connect[6] and t[9].connect[1] and not t[3].connect[6] then
swap_stair(6, 6, 7)
reset_node(1, 4)
elseif t[6].connect[2] and t[6].connect[5] and t[3].connect[5] and not t[9].connect[2] then
swap_stair(6, 2, 7)
reset_node(1, 4)
end
else
if t[4].connect[4] then
reset_node(6, 7)
elseif t[6].connect[8] then
reset_node(3, 6)
elseif t[4].connect[2] and t[4].connect[5] and t[7].connect[2] and not t[1].connect[5] then
swap_stair(4, 4, 5)
reset_node(6, 7)
elseif t[4].connect[1] and t[4].connect[6] and t[1].connect[6] and not t[7].connect[1] then
swap_stair(4, 1, 4)
reset_node(6, 7)
elseif t[6].connect[1] and t[6].connect[6] and t[3].connect[6] and not t[9].connect[1] then
swap_stair(6, 1, 8)
reset_node(3, 6)
elseif t[6].connect[2] and t[6].connect[5] and t[9].connect[2] and not t[3].connect[5] then
swap_stair(6, 5, 8)
reset_node(3, 6)
end
end
end
end
minetest.swap_node(pos, node)
end
})
minetest.register_node(":"..name.."_outer", {
description = node_def.description,
drawtype = "nodebox",
tiles = outer_tiles,
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
groups = outer_groups,
sounds = node_def.sounds,
node_box = {
type = "fixed",
fixed = {
{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
{-0.5, 0, 0, 0, 0.5, 0.5}
}
},
drop = drop,
stairs = {name, name.."_outer", name.."_inner"},
after_dig_node = function(pos, oldnode) after_dig_node(pos, oldnode) end
})
minetest.register_node(":"..name.."_inner", {
description = node_def.description,
drawtype = "nodebox",
tiles = inner_tiles,
paramtype = "light",
paramtype2 = "facedir",
is_ground_content = false,
groups = inner_groups,
sounds = node_def.sounds,
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},
{-0.5, 0, -0.5, 0, 0.5, 0}
}
},
drop = drop,
stairs = {name, name.."_outer", name.."_inner"},
after_dig_node = function(pos, oldnode) after_dig_node(pos, oldnode) end
})
end
for _,v in ipairs({
"wood",
"junglewood",
"sprucewood",
"acaciawood",
"birchwood",
"darkwood"
}) do
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local t = minetest.registered_nodes["mcl_core:"..v].tiles[1]
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mcstair.add("stairs:stair_"..v, {
{
t.."^("..t.."^[transformR90^mcstair_turntexture.png^[makealpha:255,0,255)",
t.."^("..t.."^mcstair_turntexture.png^[transformR270^[makealpha:255,0,255)",
t
},
{
t.."^("..t.."^[transformR90^(mcstair_turntexture.png^[transformR180)^[makealpha:255,0,255)",
t.."^("..t.."^[transformR270^(mcstair_turntexture.png^[transformR90)^[makealpha:255,0,255)",
t
}
})
end
for _,v in ipairs({
"cobble",
"brick_block",
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"sandstone",
"redsandstone",
"stonebrick",
"quartzblock",
"purpur_block",
}) do
mcstair.add("stairs:stair_"..v)
end