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minetest_potions/alchemy.lua

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local function vadd(a, b)
return {
x = (a.x or 0) + (b.x or 0),
y = (a.y or 0) + (b.y or 0),
z = (a.z or 0) + (b.z or 0),
}
end
local function check_block(min, max, name)
for x = min.x,max.x,1 do
for y = min.y,max.y,1 do
for z = min.z,max.z,1 do
if minetest.get_node({x=x, y=y, z=z}).name ~= name then
return false
end
end
end
end
return true
end
local function set_block(min, max, name)
local node
if type(name) == "string" then
node = {name=name}
else
node = name
end
for x = min.x,max.x,1 do
for y = min.y,max.y,1 do
for z = min.z,max.z,1 do
minetest.set_node({x=x, y=y, z=z}, node)
end
end
end
return true
end
local function replace_block(min, max, what, with)
local node
if type(with) == "string" then
node = {name = with}
else
node = with
end
for x = min.x,max.x,1 do
for y = min.y,max.y,1 do
for z = min.z,max.z,1 do
local n = {x=x, y=y, z=z}
if minetest.get_node(n).name == what then
minetest.set_node(n, node)
end
end
end
end
return true
end
local function replace_nonempty_block(min, max, with)
local node
if type(with) == "string" then
node = {name = with}
else
node = with
end
for x = min.x,max.x,1 do
for y = min.y,max.y,1 do
for z = min.z,max.z,1 do
local n = {x=x, y=y, z=z}
if minetest.get_node(n).name ~= "air" then
minetest.set_node(n, node)
end
end
end
end
return true
end
local function check_layout(pos, layout)
local correct = 0
for i,v in ipairs(layout) do
local p = vadd(pos, v)
local n = minetest.get_node(p)
if n.name == v.n then
correct = correct + 1
end
end
return (correct == #layout), correct, #layout
end
local function probe_layout(pos, layout)
local correct = 0
for i,v in ipairs(layout) do
if v.n then
if v.min and v.max then
if not check_block(vadd(pos, v.min), vadd(pos, v.max), v.n) then
return false
end
else
local p = vadd(pos, v)
local n = minetest.get_node(p)
if n.name ~= v.n then
return false
end
end
end
end
return true
end
local function create_spawner(pos, sz, tex)
minetest.add_particlespawner({
amount = 4000,
time = 5,
minpos = vector.add({x=pos.x-sz, y=pos.y-ht, z=pos.z-sz}, vector.multiply(vel, -.95)),
maxpos = vector.add({x=pos.x+sz, y=pos.y+ht, z=pos.z+sz}, vector.multiply(vel, -.95)),
minvel = vector.add(vel, {x=-1, y=0, z=-1}),
maxvel = vector.add(vel, {x=5, y=0.5, z=5}),
minacc = {x=-01.1, y=0.1, z=-01.1},
maxacc = {x=01.1, y=01.3, z=01.1},
minexptime = 1.5,
maxexptime = 2.5,
-- collisiondetection = true,
-- collision_removal = true,
minsize = 40,
maxsize = 45,
texture = tex,
-- animation = tileanimation
-- glow = 1
})
end
local function execute_alchemy(pos, layout, player)
local correct = 0
for i,v in ipairs(layout) do
local p = vadd(pos, v)
if v.set then
if v.min and v.max then
set_block(vadd(pos, v.min), vadd(pos, v.max), v.set)
else
if type(v.set) == "string" then
minetest.set_node(p, {name=v.set})
else
minetest.set_node(p, v.set)
end
end
elseif v.replace then
if v.min and v.max then
replace_block(vadd(pos, v.min), vadd(pos, v.max), v.replace, v.with)
end
end
if v.fn then
v.fn({x=p.x, y=p.y, z=p.z}, player)
end
end
return true
end
potions.alchemy_layouts = {}
potions.alchemy_layouts.sand = {
{x=0, z=0, n="default:stone"},
{x=1, z=1, n="default:sand"},
{x=1, z=-1, n="default:sand"},
{x=-1, z=1, n="default:sand"},
{x=-1, z=-1, n="default:sand",},
{y=1, set="default:glass"},
}
potions.alchemy_layouts.dirt = {
{x=0, z=0, n="default:stone"},
{x=1, z=1, n="default:desert_sand"},
{x=1, z=-1, n="default:desert_sand"},
{x=-1, z=1, n="default:desert_sand"},
{x=-1, z=-1, n="default:desert_sand",},
{min={x=-1, z=-1, y=1}, max={x=1, z=1, y=1}, n="air"},
{min={x=-1, z=-1, y=1}, max={x=1, z=1, y=3}, replace="air", with="fire:basic_flame"},
{y=1, set="default:brick"},
{particle_spawner = {
min={x=-1, z=-1, y=1},
max={x=1, z=1, y=3},
radius = 3,
type = "rise",
speed = 1,
accel = .3,
random = .2,
density = 100,
plife = 2,
}}
}
potions.alchemy_layouts.silver_snake = {
{x=0, z=0, n="tnt:tnt"},
{x=1, z=1, n="default:mossycobble"},
{x=1, z=-1, n="default:mossycobble"},
{x=-1, z=1, n="default:mossycobble"},
{x=-1, z=-1, n="default:mossycobble",},
{x=-2, z=-2, n="default:silver_sandstone_brick",},
{x=2, z=-2, n="default:silver_sandstone_brick",},
{x=-2, z=2, n="default:silver_sandstone_brick",},
{x=2, z=2, n="default:silver_sandstone_brick",},
{x=1, z=0, n="default:silver_sandstone_brick",},
{x=-1, z=0, n="default:silver_sandstone_brick",},
{x=0, z=1, n="default:silver_sandstone_brick",},
{x=0, z=-1, n="default:silver_sandstone_brick",},
{x=3, z=0, n="default:silver_sandstone_brick",},
{x=3, z=-1, n="default:silver_sandstone_brick",},
{x=3, z=1, n="default:silver_sandstone_brick",},
{x=-3, z=0, n="default:silver_sandstone_brick",},
{x=-3, z=-1, n="default:silver_sandstone_brick",},
{x=-3, z=1, n="default:silver_sandstone_brick",},
{x=0, z=3, n="default:silver_sandstone_brick",},
{x=-1, z=3, n="default:silver_sandstone_brick",},
{x=1, z=3, n="default:silver_sandstone_brick",},
{x=0, z=-3, n="default:silver_sandstone_brick",},
{x=-1, z=-3, n="default:silver_sandstone_brick",},
{x=1, z=-3, n="default:silver_sandstone_brick",},
{fn = function(pos, player)
-- pos.y = pos.y + 1
-- minetest.set_node(pos, {name="default:glass"})
local min = vector.add(pos, {x=-3, y=-32, z=-3})
local max = vector.add(pos, {x=3, y=-1, z=3})
set_block(
min, max,
"air"
)
-- flying around
minetest.add_particlespawner({
amount = 100,
time = 5,
minpos = {x=min.x, y=max.y+1, z=min.z},
maxpos = {x=max.x, y=max.y+1, z=max.z},
minvel = {x=-01.01, y=2, z=-01.01},
maxvel = {x=01.05, y=3, z=01.05},
minacc = {x=-01.1, y=0.1, z=-01.1},
maxacc = {x=01.1, y=0.3, z=01.1},
minexptime = 0.5,
maxexptime = 2.5,
-- collisiondetection = true,
-- collision_removal = true,
minsize = 4,
maxsize = 4,
texture = "potions_particle.png^[colorize:red:60",
-- animation = tileanimation
glow = 1
})
-- going down
minetest.add_particlespawner({
amount = 800,
time = 5,
minpos = {x=min.x, y=max.y, z=min.z},
maxpos = {x=max.x, y=max.y, z=max.z},
minvel = {x=-0.01, y=-5, z=-0.01},
maxvel = {x=0.05, y=-6, z=0.05},
minacc = {x=0, y=-0.1, z=0},
maxacc = {x=0, y=-1.3, z=0},
minexptime = 1.5,
maxexptime = 1.5,
-- collisiondetection = true,
-- collision_removal = true,
minsize = 4,
maxsize = 4,
texture = "potions_particle.png^[colorize:red:60",
-- animation = tileanimation
glow = 1
})
minetest.after(1, function()
replace_block(vadd(pos, {x=-3,z=-3}), vadd(pos, {x=3,z=3}), "air", "fire:basic_flame")
end)
minetest.after(6, function()
set_block(vadd(pos, {x=-3,z=-3}), vadd(pos, {x=3,z=3}), "air")
minetest.add_particlespawner({
amount = 300,
time = 4,
minpos = vadd(pos, {x=-3, y=-.5, z=-3}),
maxpos = vadd(pos, {x=3, y=-.5, z=3}),
minvel = {x=-0.1, y=-.6, z=-0.1},
maxvel = {x=0.1, y=.6, z=0.1},
minacc = {x=-02.1, y=-1.1, z=-02.1},
maxacc = {x=02.1, y=1.1, z=02.1},
minexptime = 1.5,
maxexptime = 1.5,
minsize = 2.2,
maxsize = 2.2,
texture = "potions_particle.png^[colorize:purple:60",
glow = 1
})
end)
local function dig(p, s)
minetest.set_node({x=p.x, y=p.y-1, z=p.z}, {name="default:silver_sandstone_brick"})
if s ~= 0 then
minetest.set_node(p, {name="stairs:slab_silver_sandstone_brick"})
else
minetest.set_node(p, {name="air"})
end
minetest.set_node({x=p.x, y=p.y+1, z=p.z}, {name="air"})
minetest.set_node({x=p.x, y=p.y+2, z=p.z}, {name="air"})
minetest.set_node({x=p.x, y=p.y+3, z=p.z}, {name="air"})
end
local function iterate(i)
local m = math.floor(i % 8)
local d = math.floor((i % 32) / 8)
local x, z
if d < 1 then
x = m - 4
z = -4
elseif d < 2 then
x = 4
z = m - 4
elseif d < 3 then
x = 4 - m
z = 4
else
x = -4
z = 4 - m
end
local p = vadd(pos, {x=x, y=math.floor(i/-2), z=z})
dig(p, i%2)
p.y = p.y - 0.5
minetest.add_particlespawner({
amount = 80,
time = 2,
minpos = p,
maxpos = p,
minvel = {x=-0.1, y=1, z=-0.1},
maxvel = {x=0.1, y=.6, z=0.1},
minacc = {x=-02.1, y=0.1, z=-02.1},
maxacc = {x=02.1, y=1.3, z=02.1},
minexptime = 1.5,
maxexptime = 1.5,
-- collisiondetection = true,
-- collision_removal = true,
minsize = 2.2,
maxsize = 2.2,
texture = "potions_particle.png^[colorize:green:60",
-- animation = tileanimation
glow = 1
})
if i < 64 then
minetest.after(1, function() iterate(i+1) end)
end
end
iterate(0)
end},
}
local function find_layout(pos)
for k,v in pairs(potions.alchemy_layouts) do
if probe_layout(pos, v) then
return k, v
end
end
return nil, nil
end
minetest.register_craftitem("potions:wand", {
description = "Alchemy Wand",
inventory_image = "default_stick.png^[colorize:black:200",
stack_max = 5,
on_use = function(itemstack, user, pointed_thing)
if potions.get_manna(user) > 20 then
local pos = pointed_thing.under
local name, def = find_layout(pos)
if name then
execute_alchemy(pos, def, user)
potions.add_manna(user, -15)
end
end
end,
})
minetest.register_craftitem("potions:book_silver_snake", {
description = "Alchemy Wand",
inventory_image = "default_book.png^[colorize:white:200",
stack_max = 5,
on_use = function(itemstack, user, pointed_thing)
local pos = pointed_thing.under
local def = potions.alchemy_layouts.silver_snake
if not pos then
return itemstack
end
if probe_layout(pos, def) then
execute_alchemy(pos, def, user)
itemstack:take_item()
end
return itemstack
end,
})
minetest.register_node("potions:cauldron", {
description = "Cauldron",
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
tiles = {"default_steel_block.png^[colorize:black:160"},
node_box = {
type = "fixed",
fixed = {
{-.45, .45, -.45, 0.45, .5, 0.45},
{-.5, -.3, -.5, 0.5, .3, 0.5},
{-.4, -.4, -.4, 0.4, .45, 0.4},
{-.3, -.5, -.3, 0.3, -.4, 0.3},
},
},
groups = {cracky=3,},
on_construct = function(pos)
local meta = minetest.get_meta(pos)
local inv = meta:get_inventory();
inv:set_size("main", 4*4)
local formspec =
"size[8,9]" ..
"list[current_name;main;2,0.3;4,4;]" ..
"list[current_player;main;0,4.85;8,1;]" ..
"list[current_player;main;0,6.08;8,3;8]" ..
"listring[nodemeta:" .. spos .. ";main]" ..
"listring[current_player;main]" ..
default.get_hotbar_bg(0,4.85)
meta:set_string("formspec", formspec)
end,
can_dig = function(pos, player)
local meta = minetest.get_meta(pos);
local inv = meta:get_inventory()
return inv:is_empty("main")
end,
on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
-- take water out of bucket
end,
allow_metadata_inventory_put = function(pos, listname, index, stack, player)
return stack:get_count()
end,
allow_metadata_inventory_take = function(pos, listname, index, stack, player)
return stack:get_count()
end,
})
minetest.register_node("potions:still", {
description = "Still",
paramtype = "light",
paramtype2 = "facedir",
drawtype = "nodebox",
tiles = {"default_copper_block.png"},
node_box = {
type = "fixed",
fixed = {
{-.45, -5, -.45, 0.45, -.45, 0.45},
{-.1, -.45, -.1, 0.1, .4, 0.1},
{-.1, .3, -.1, 1.1, .4, 0.1},
{1.1, -.5, -.1, .9, .4, .1},
},
},
groups = {cracky=3,},
})
minetest.register_node("potions:ethanol_flask", {
description = "Flask of Ethanol",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_node("potions:methanol_flask", {
description = "Flask of Methanol",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_node("potions:ammonia_flask", {
description = "Flask of Ammonia",
inventory_image = "potions_eflask_ammonia.png",
tiles = {"potions_eflask_ammonia.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_node("potions:muriatic_acid_flask", {
description = "Flask of Muriatic Acid",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
-- hydrochloric acid
minetest.register_node("potions:muriatic_acid_flask", {
description = "Flask of Muriatic Acid",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
-- sulfuric acid
minetest.register_node("potions:vitriol_flask", {
description = "Flask of Vitriol",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
-- nitric acid
minetest.register_node("potions:aqua_fortis_flask", {
description = "Flask of Vitriol",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_node("potions:iodine_flask", {
description = "Flask of Iodine",
inventory_image = "potions_rflask_iodine.png",
tiles = {"potions_rflask_iodine.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_node("potions:aqua_regia_flask", {
description = "Flask of Aqua Regia",
inventory_image = "potions_eflask_clear.png",
tiles = {"potions_eflask_clear.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_craft({
output = "potions:aqua_regia_flask 2",
type = "shapeless",
recipe = {"potions:aqua_fortis_flask", "potions:muriatic_acid_flask"},
})
minetest.register_node("potions:aqua_regia_with_gold", {
description = "Orange Flask of Aqua Regia",
inventory_image = "potions_eflask_aregia_with_gold.png",
tiles = {"potions_eflask_aregia_with_gold.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_craft({
output = "potions:aqua_regia_with_gold",
type = "shapeless",
recipe = {"potions:aqua_regia_flask", "default:gold_ingot"},
})
minetest.register_craft({
output = "potions:aqua_regia_with_gold",
type = "shapeless",
recipe = {"potions:aqua_regia_flask", "default:gold_lump"},
})
-- nitric acid
minetest.register_node("potions:aqua_fortis_with_silver", {
description = "Blue Flask of Aqua Fortis",
inventory_image = "potions_eflask_afortis_with_silver.png",
tiles = {"potions_eflask_afortis_with_silver.png"},
drawtype = "plantlike",
visual_scale = .5,
waving = false,
buildable_to = false,
walkable = false,
groups = {vessel=1, oddly_breakable_by_hand=3, cracky=3, choppy=3, snappy=3, crumbly=3},
})
minetest.register_craft({
output = "potions:aqua_fortis_with_silver",
type = "shapeless",
recipe = {"potions:aqua_fortis_flask", "potions:silver_ingot"},
})
minetest.register_craft({
output = "potions:aqua_fortis_with_silver",
type = "shapeless",
recipe = {"potions:aqua_fortis_flask", "potions:silver_lump"},
})
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