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minetest_bitumen/spills.lua

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local function splitname(name)
local c = string.find(name, ":", 1)
return string.sub(name, 1, c - 1), string.sub(name, c + 1, string.len(name))
end
function deepclone(t)
if type(t) ~= "table" then
return t
end
local meta = getmetatable(t)
local target = {}
for k, v in pairs(t) do
if type(v) == "table" then
target[k] = deepclone(v)
else
target[k] = v
end
end
setmetatable(target, meta)
return target
end
local spill_nodes = {
"default:cobble",
"default:mossycobble",
"default:desert_cobble",
"default:sand",
"default:silver_sand",
"default:desert_sand",
"default:gravel",
"default:snow",
"default:snowblock",
"default:dirt",
"default:dirt_with_grass",
"default:dirt_with_grass_footsteps",
"default:dirt_with_dry_grass",
"default:dirt_with_snow",
"default:dirt_with_rainforest_litter",
"default:dirt_with_coniferous_litter",
-- "default:water_source",
}
local soil_more = {}
local soil_less = {}
local soil_abm_nodes = {}
local soil_abm_neighbors = {}
local burnable_soiled_nodes = {}
local function spill_name(orig, lvl)
local mod, node = splitname(orig)
return "bitumen:oily_"..mod.."_"..node.."_"..lvl
end
local function reg_level(old, modname, nodename, level)
local def = deepclone(minetest.registered_nodes[old])
if not def then
return nil
end
--def.groups.not_in_creative_inventory = 1
def.groups.bitumen_oily = level
def.description = "Oily " .. def.description
local name1 = "bitumen:oily_"..modname.."_"..nodename.."_"..level
-- table.insert(abm_list_1, old)
-- downgrades[old] = name1
for k, v in pairs(def.tiles) do
local o = def.tiles[k]
if type(o) == 'string' then
def.tiles[k] = def.tiles[k].."^bitumen_oil_splat_"..level..".png"
elseif type(o) == 'table' then
o.name = o.name .. "^bitumen_oil_splat_"..level..".png"
end
end
def.drops = name1
minetest.register_node(name1, def)
return name1
end
local register_spill_node = function(old)
local modname, nodename = splitname(old)
local n1 = reg_level(old, modname, nodename, 1)
local n2 = reg_level(old, modname, nodename, 2)
local n3 = reg_level(old, modname, nodename, 3)
if n1 and n2 and n3 then
soil_more[old] = n1
soil_more[n1] = n2
soil_more[n2] = n3
soil_less[n3] = n2
soil_less[n2] = n1
soil_less[n1] = old
table.insert(soil_abm_nodes, n3)
table.insert(soil_abm_nodes, n2)
table.insert(soil_abm_neighbors, n2)
table.insert(soil_abm_neighbors, n1)
table.insert(soil_abm_neighbors, old)
table.insert(burnable_soiled_nodes, n3)
table.insert(burnable_soiled_nodes, n2)
end
end
-- TODO: wool, stairs, walls, seasons
for _,n in ipairs(spill_nodes) do
register_spill_node(n)
end
-- water is handled differently
local function reg_oily_water(level)
local color = 120 + (level * 3)
local aff = (level + 2)
minetest.register_node("bitumen:oily_default_water_source_"..level, {
description = "Oily Water Source",
drawtype = "liquid",
tiles = {
{
name = "default_water_source_animated.png^[colorize:black:"..color,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 2.0,
},
},
},
special_tiles = {
-- New-style water source material (mostly unused)
{
name = "default_water_source_animated.png^[colorize:black:"..color,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 2.0,
},
backface_culling = false,
},
},
alpha = 160,
paramtype = "light",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drop = "",
drowning = 1,
liquidtype = "source",
liquid_alternative_flowing = "bitumen:oily_default_water_flowing_"..level,
liquid_alternative_source = "bitumen:oily_default_water_source_"..level,
liquid_viscosity = 1,
post_effect_color = {a = 103 + (level * 50), r = 30 / aff, g = 60 / aff, b = 90 / aff},
groups = {water = 3, liquid = 3, puts_out_fire = 1, cools_lava = 1, bitumen_oily = level},
sounds = default.node_sound_water_defaults(),
})
minetest.register_node("bitumen:oily_default_water_flowing_"..level, {
description = "Oily Flowing Water",
drawtype = "flowingliquid",
tiles = {"default_water.png^[colorize:black:"..color},
special_tiles = {
{
name = "default_water_flowing_animated.png^[colorize:black:"..color,
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.8,
},
},
{
name = "default_water_flowing_animated.png^[colorize:black:"..color,
backface_culling = true,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.8,
},
},
},
alpha = 160,
paramtype = "light",
paramtype2 = "flowingliquid",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drop = "",
drowning = 1,
liquidtype = "flowing",
liquid_alternative_flowing = "bitumen:oily_default_water_flowing_"..level,
liquid_alternative_source = "bitumen:oily_default_water_source_"..level,
liquid_viscosity = 1,
post_effect_color = {a = 103 + (level * 50), r = 30 / aff, g = 60 / aff, b = 90 / aff},
groups = {water = 3, liquid = 3, puts_out_fire = 1,
not_in_creative_inventory = 1, cools_lava = 1, bitumen_oily = level},
sounds = default.node_sound_water_defaults(),
})
minetest.register_node("bitumen:oily_default_river_water_source_"..level, {
description = "Oily River Water Source",
drawtype = "liquid",
tiles = {
{
name = "default_river_water_source_animated.png^[colorize:black:"..color,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 2.0,
},
},
},
special_tiles = {
{
name = "default_river_water_source_animated.png^[colorize:black:"..color,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 2.0,
},
backface_culling = false,
},
},
alpha = 160,
paramtype = "light",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drop = "",
drowning = 1,
liquidtype = "source",
liquid_alternative_flowing = "bitumen:oily_default_river_water_flowing_"..level,
liquid_alternative_source = "bitumen:oily_default_river_water_source_"..level,
liquid_viscosity = 1,
-- Not renewable to avoid horizontal spread of water sources in sloping
-- rivers that can cause water to overflow riverbanks and cause floods.
-- River water source is instead made renewable by the 'force renew'
-- option used in the 'bucket' mod by the river water bucket.
liquid_renewable = false,
liquid_range = 2,
post_effect_color = {a = 103 + (level * 50), r = 30 / aff, g = 76 / aff, b = 90 / aff},
groups = {water = 3, liquid = 3, puts_out_fire = 1, cools_lava = 1, bitumen_oily = level},
sounds = default.node_sound_water_defaults(),
})
minetest.register_node("bitumen:oily_default_river_water_flowing_"..level, {
description = "Oily Flowing River Water",
drawtype = "flowingliquid",
tiles = {"default_river_water.png^[colorize:black:"..color},
special_tiles = {
{
name = "default_river_water_flowing_animated.png^[colorize:black:"..color,
backface_culling = false,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.8,
},
},
{
name = "default_river_water_flowing_animated.png^[colorize:black:"..color,
backface_culling = true,
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 0.8,
},
},
},
alpha = 160,
paramtype = "light",
paramtype2 = "flowingliquid",
walkable = false,
pointable = false,
diggable = false,
buildable_to = true,
is_ground_content = false,
drop = "",
drowning = 1,
liquidtype = "flowing",
liquid_alternative_flowing = "bitumen:oily_default_river_water_flowing_"..level,
liquid_alternative_source = "bitumen:oily_default_river_water_source_"..level,
liquid_viscosity = 1,
liquid_renewable = false,
liquid_range = 2,
post_effect_color = {a = 103 + (level * 50), r = 30 / aff, g = 76 / aff, b = 90 / aff},
groups = {water = 3, liquid = 3, puts_out_fire = 1,
not_in_creative_inventory = 1, cools_lava = 1, bitumen_oily = level},
sounds = default.node_sound_water_defaults(),
})
end
local function insert_soiling(mod, node)
local old = mod .. ":" .. node
local n1 = "bitumen:oily_"..mod.."_"..node.."_1"
local n2 = "bitumen:oily_"..mod.."_"..node.."_2"
local n3 = "bitumen:oily_"..mod.."_"..node.."_3"
soil_more[old] = n1
soil_more[n1] = n2
soil_more[n2] = n3
soil_less[n3] = n2
soil_less[n2] = n1
soil_less[n1] = old
table.insert(soil_abm_nodes, n3)
table.insert(soil_abm_nodes, n2)
table.insert(soil_abm_neighbors, n2)
table.insert(soil_abm_neighbors, n1)
table.insert(soil_abm_neighbors, old)
end
reg_oily_water(1)
reg_oily_water(2)
reg_oily_water(3)
insert_soiling("default", "water_source")
insert_soiling("default", "river_water_source")
-- abms
minetest.register_abm({
nodenames = soil_abm_nodes,
neighbors = soil_abm_neighbors,
interval = 5,
chance = 20,
action = function(pos, node, active_object_count, active_object_count_wider)
local alvl = minetest.registered_nodes[node.name].groups.bitumen_oily or 0
local unsoiled = minetest.find_nodes_in_area(
{x=pos.x-1, y=pos.y-1, z=pos.z-1},
{x=pos.x+1, y=pos.y , z=pos.z+1},
soil_abm_neighbors
)
if not unsoiled then
return
end
local off = math.random(#unsoiled)
for i = 1, #unsoiled do
local bp = unsoiled[((i + off) % #unsoiled) + 1]
local bnode = minetest.get_node(bp)
local blvl = minetest.registered_nodes[bnode.name].groups.bitumen_oily or 0
if alvl > blvl then
minetest.set_node(pos, {name = soil_less[node.name]})
minetest.set_node(bp, {name = soil_more[bnode.name]})
return
end
end
end
})
-- crude oil spreads into certain tiles
minetest.register_abm({
nodenames = {"bitumen:crude_oil", "bitumen:crude_oil_full"},
neighbors = soil_abm_neighbors,
interval = 3,
chance = 10,
action = function(pos, node, active_object_count, active_object_count_wider)
local unsoiled = minetest.find_nodes_in_area(
{x=pos.x-1, y=pos.y-1, z=pos.z-1},
{x=pos.x+1, y=pos.y , z=pos.z+1},
soil_abm_neighbors
)
if not unsoiled then
return
end
local off = math.random(#unsoiled)
for i = 1, #unsoiled do
local bp = unsoiled[((i + off) % #unsoiled) + 1]
local bnode = minetest.get_node(bp)
local x = soil_more[bnode.name]
if x == nil then
-- print(dump2(x).. " -> " ..dump2(bnode.name))
else
local lvl = minetest.get_node_level(pos)
local nl = math.max(0, lvl - 10)
if nl == 0 then
minetest.set_node(pos, {name="air"})
else
minetest.set_node_level(pos, nl)
end
minetest.set_node(bp, {name=x})
return
end
end
end
})
minetest.register_abm({
label = "Spilled nodes burn slowly",
nodenames = burnable_soiled_nodes,
neighbors = {"fire:basic_flame"},
interval = 4,
chance = 20,
catch_up = true,
action = function(pos, node, active_object_count, active_object_count_wider)
local n = minetest.get_node(pos)
if n then
local less = soil_less[n.name]
if less then
minetest.set_node(pos, {name = less})
end
end
end,
})
minetest.register_abm({
label = "Spilled nodes catch fire",
nodenames = burnable_soiled_nodes,
neighbors = {"fire:basic_flame"},
interval = 3,
chance = 5,
catch_up = true,
action = function(pos, node, active_object_count, active_object_count_wider)
local n = minetest.find_node_near(pos, 1, {"air"})
if n then
minetest.set_node(n, {name = "fire:basic_flame"})
end
end,
})
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