dfcaverns/mine_gas/wisp.lua
2019-08-03 19:38:50 -06:00

78 lines
2.1 KiB
Lua

local MP = minetest.get_modpath(minetest.get_current_modname())
local S, NS = dofile(MP.."/intllib.lua")
minetest.register_node("mine_gas:gas_wisp", {
description = S("Gas Wisp"),
_doc_items_longdesc = nil,
_doc_items_usagehelp = nil,
walkable = false,
diggable = false,
buildable_to = true,
drawtype = "plantlike",
waving = 1,
drowning = 1,
damage_per_second = 4,
post_effect_color = {a = 20, r = 20, g = 20, b = 250},
tiles = {{name = "mine_gas_wisp.png", animation =
{
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 1.5,
},
}},
light_source = 10,
use_texture_alpha = true,
groups = {not_in_creative_inventory=0},
paramtype = "light",
paramtype2 = "meshoptions",
place_param2 = 0,
-- * bit 4 (0x10, decimal 16) - Makes the plant mesh 1.4x larger
inventory_image = "mine_gas_wisp_inventory.png",
drop = {},
sunlight_propagates = true,
on_blast = function() end, -- unaffected by explosions
})
minetest.register_abm({
label = "mine_gas:gas wisp movement",
nodenames = {"mine_gas:gas_wisp"},
neighbors = {"mine_gas:gas"},
interval = 1.0,
chance = 10,
catch_up = true,
action = function(pos, node)
local next_pos = {x=pos.x+math.random(1,3)-2, y=pos.y+math.random(1,3)-2, z=pos.z+math.random(1,3)-2}
local next_node = minetest.get_node(next_pos)
if next_node.name == "mine_gas:gas" then
minetest.swap_node(next_pos, node)
minetest.swap_node(pos, next_node)
end
pos = next_pos
end,
})
minetest.register_abm({
label = "mine_gas:gas wisp extinguish",
nodenames = {"mine_gas:gas_wisp"},
neighbors = {"air"},
interval = 10,
chance = 1,
catch_up = true,
action = function(pos, node)
for y = -1, 1 do
for x = -1, 1 do
for z = -1, 1 do
local node_name = minetest.get_node({x=pos.x+x, y=pos.y+y, z=pos.z+z}).name
if node_name == "mine_gas:gas" or minetest.get_item_group(node_name, "flammable") > 0 then
-- there's gas or a flammable adjacent, don't extinguish
return
end
end
end
end
-- no gas adjacent, extinguish
minetest.set_node(pos, {name="air"})
end,
})