mff_game/mods/xpanes/init.lua
2014-07-06 10:22:20 +02:00

176 lines
4.9 KiB
Lua

xpanes = {}
local function rshift(x, by)
return math.floor(x / 2 ^ by)
end
local directions = {
{x = 1, y = 0, z = 0},
{x = 0, y = 0, z = 1},
{x = -1, y = 0, z = 0},
{x = 0, y = 0, z = -1},
}
local function update_pane(pos,name)
if minetest.get_node(pos).name:find("xpanes:"..name) == nil then
return
end
local sum = 0
for i = 1, 4 do
local node = minetest.get_node({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z})
local pane_num = minetest.registered_nodes[node.name].groups.pane or 0
if (minetest.registered_nodes[node.name].walkable ~= false and minetest.registered_nodes[node.name].drawtype ~= "nodebox") or pane_num > 0 then
sum = sum + 2 ^ (i - 1)
end
end
if sum == 0 then
sum = 15
end
minetest.set_node(pos, {name = "xpanes:"..name.."_"..sum})
end
local function update_nearby(pos,n)
if n == nil then n = minetest.get_node(pos) end
if not n or not n.name then return end
local name = string.sub(n.name,8,10)
if name ~= "bar" then name = "pane" end
for i = 1,4 do
update_pane({x = pos.x + directions[i].x, y = pos.y + directions[i].y, z = pos.z + directions[i].z}, name)
end
end
local half_blocks = {
{0, -0.5, -1/32, 0.5, 0.5, 1/32},
{-1/32, -0.5, 0, 1/32, 0.5, 0.5},
{-0.5, -0.5, -1/32, 0, 0.5, 1/32},
{-1/32, -0.5, -0.5, 1/32, 0.5, 0}
}
local full_blocks = {
{-0.5, -0.5, -1/32, 0.5, 0.5, 1/32},
{-1/32, -0.5, -0.5, 1/32, 0.5, 0.5}
}
local sb_half_blocks = {
{0, -0.5, -0.06, 0.5, 0.5, 0.06},
{-0.06, -0.5, 0, 0.06, 0.5, 0.5},
{-0.5, -0.5, -0.06, 0, 0.5, 0.06},
{-0.06, -0.5, -0.5, 0.06, 0.5, 0}
}
local sb_full_blocks = {
{-0.5, -0.5, -0.06, 0.5, 0.5, 0.06},
{-0.06, -0.5, -0.5, 0.06, 0.5, 0.5}
}
--register panes and bars
function xpanes.register_pane(name, def)
for i = 1, 15 do
local need = {}
local cnt = 0
for j = 1, 4 do
if rshift(i, j - 1) % 2 == 1 then
need[j] = true
cnt = cnt + 1
end
end
local take = {}
local take2 = {}
if need[1] == true and need[3] == true then
need[1] = nil
need[3] = nil
table.insert(take, full_blocks[1])
table.insert(take2, sb_full_blocks[1])
end
if need[2] == true and need[4] == true then
need[2] = nil
need[4] = nil
table.insert(take, full_blocks[2])
table.insert(take2, sb_full_blocks[2])
end
for k in pairs(need) do
table.insert(take, half_blocks[k])
table.insert(take2, sb_half_blocks[k])
end
local texture = def.textures[1]
if cnt == 1 then
texture = def.textures[1].."^"..def.textures[2]
end
minetest.register_node("xpanes:"..name.."_"..i, {
drawtype = "nodebox",
tiles = {def.textures[3], def.textures[3], texture},
paramtype = "light",
groups = def.groups,
drop = "xpanes:"..name,
sounds = def.sounds,
node_box = {
type = "fixed",
fixed = take
},
selection_box = {
type = "fixed",
fixed = take2
}
})
end
minetest.register_node("xpanes:"..name, def)
minetest.register_craft({
output = "xpanes:"..name.." 16",
recipe = def.recipe
})
end
minetest.register_on_placenode(update_nearby)
minetest.register_on_dignode(update_nearby)
xpanes.register_pane("pane", {
description = "Glass Pane",
tiles = {"xpanes_space.png"},
drawtype = "airlike",
paramtype = "light",
sunlight_propagates = true,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
air_equivalent = true,
textures = {"default_glass.png","xpanes_pane_half.png","xpanes_white.png"},
inventory_image = "default_glass.png",
wield_image = "default_glass.png",
sounds = default.node_sound_glass_defaults(),
groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3,pane=1},
on_construct = function(pos)
update_pane(pos, "pane")
end,
recipe = {
{'default:glass', 'default:glass', 'default:glass'},
{'default:glass', 'default:glass', 'default:glass'}
}
})
xpanes.register_pane("bar", {
description = "Iron bar",
tiles = {"xpanes_space.png"},
drawtype = "airlike",
paramtype = "light",
sunlight_propagates = true,
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
air_equivalent = true,
textures = {"xpanes_bar.png","xpanes_bar.png","xpanes_space.png"},
inventory_image = "xpanes_bar.png",
wield_image = "xpanes_bar.png",
groups = {snappy=2,cracky=3,oddly_breakable_by_hand=3,pane=1},
sounds = default.node_sound_stone_defaults(),
on_construct = function(pos)
update_pane(pos, "bar")
end,
recipe = {
{'default:steel_ingot', 'default:glass', 'default:glass'},
{'default:glass', 'default:glass', 'default:glass'}
}
})