mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-12-24 00:49:34 +01:00
add basic lightning API
This commit is contained in:
parent
e9437e9e1e
commit
8e3f9d2169
1 changed files with 46 additions and 29 deletions
|
@ -31,6 +31,7 @@ lightning = {
|
||||||
size = 100,
|
size = 100,
|
||||||
-- disable this to stop lightning mod from striking
|
-- disable this to stop lightning mod from striking
|
||||||
auto = true,
|
auto = true,
|
||||||
|
on_strike_functions = {},
|
||||||
}
|
}
|
||||||
|
|
||||||
local rng = PcgRandom(32321123312123)
|
local rng = PcgRandom(32321123312123)
|
||||||
|
@ -54,6 +55,18 @@ end
|
||||||
|
|
||||||
minetest.register_globalstep(revertsky)
|
minetest.register_globalstep(revertsky)
|
||||||
|
|
||||||
|
-- lightning strike API
|
||||||
|
|
||||||
|
-- See README.md
|
||||||
|
--[[
|
||||||
|
lightning.register_on_strike(function(pos, pos2, objects)
|
||||||
|
-- code
|
||||||
|
end)
|
||||||
|
]]
|
||||||
|
function lightning.register_on_strike(func)
|
||||||
|
table.insert(lightning.on_strike_functions, func)
|
||||||
|
end
|
||||||
|
|
||||||
-- select a random strike point, midpoint
|
-- select a random strike point, midpoint
|
||||||
local function choose_pos(pos)
|
local function choose_pos(pos)
|
||||||
if not pos then
|
if not pos then
|
||||||
|
@ -94,7 +107,6 @@ local function choose_pos(pos)
|
||||||
return pos, pos2
|
return pos, pos2
|
||||||
end
|
end
|
||||||
|
|
||||||
-- lightning strike API
|
|
||||||
-- * pos: optional, if not given a random pos will be chosen
|
-- * pos: optional, if not given a random pos will be chosen
|
||||||
-- * returns: bool - success if a strike happened
|
-- * returns: bool - success if a strike happened
|
||||||
function lightning.strike(pos)
|
function lightning.strike(pos)
|
||||||
|
@ -108,21 +120,30 @@ function lightning.strike(pos)
|
||||||
if not pos then
|
if not pos then
|
||||||
return false
|
return false
|
||||||
end
|
end
|
||||||
|
local objects = get_objects_inside_radius(pos2, 3.5)
|
||||||
|
if lightning.on_strike_functions then
|
||||||
|
for _, func in pairs(lightning.on_strike_functions) do
|
||||||
|
func(pos, pos2, objects)
|
||||||
|
end
|
||||||
|
end
|
||||||
|
end
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
lightning.register_on_strike(function(pos, pos2, objects)
|
||||||
|
local particle_pos = vector.offset(pos2, 0, (lightning.size / 2) + 0.5, 0)
|
||||||
|
local particle_size = lightning.size * 10
|
||||||
|
local time = 0.2
|
||||||
add_particlespawner({
|
add_particlespawner({
|
||||||
amount = 1,
|
amount = 1,
|
||||||
time = 0.2,
|
time = time,
|
||||||
-- make it hit the top of a block exactly with the bottom
|
-- make it hit the top of a block exactly with the bottom
|
||||||
minpos = {x = pos2.x, y = pos2.y + (lightning.size / 2) + 1/2, z = pos2.z },
|
minpos = particle_pos,
|
||||||
maxpos = {x = pos2.x, y = pos2.y + (lightning.size / 2) + 1/2, z = pos2.z },
|
maxpos = particle_pos,
|
||||||
minvel = {x = 0, y = 0, z = 0},
|
minexptime = time,
|
||||||
maxvel = {x = 0, y = 0, z = 0},
|
maxexptime = time,
|
||||||
minacc = {x = 0, y = 0, z = 0},
|
minsize = particle_size,
|
||||||
maxacc = {x = 0, y = 0, z = 0},
|
maxsize = particle_size,
|
||||||
minexptime = 0.2,
|
|
||||||
maxexptime = 0.2,
|
|
||||||
minsize = lightning.size * 10,
|
|
||||||
maxsize = lightning.size * 10,
|
|
||||||
collisiondetection = true,
|
collisiondetection = true,
|
||||||
vertical = true,
|
vertical = true,
|
||||||
-- to make it appear hitting the node that will get set on fire, make sure
|
-- to make it appear hitting the node that will get set on fire, make sure
|
||||||
|
@ -135,10 +156,7 @@ function lightning.strike(pos)
|
||||||
sound_play({ name = "lightning_thunder", gain = 10 }, { pos = pos, max_hear_distance = 500 }, true)
|
sound_play({ name = "lightning_thunder", gain = 10 }, { pos = pos, max_hear_distance = 500 }, true)
|
||||||
|
|
||||||
-- damage nearby objects, transform mobs
|
-- damage nearby objects, transform mobs
|
||||||
-- TODO: use an API insteed of hardcoding this behaviour
|
for _, obj in pairs(objects) do
|
||||||
local objs = get_objects_inside_radius(pos2, 3.5)
|
|
||||||
for o=1, #objs do
|
|
||||||
local obj = objs[o]
|
|
||||||
local lua = obj:get_luaentity()
|
local lua = obj:get_luaentity()
|
||||||
-- pig → zombie pigman (no damage)
|
-- pig → zombie pigman (no damage)
|
||||||
if lua and lua.name == "mobs_mc:pig" then
|
if lua and lua.name == "mobs_mc:pig" then
|
||||||
|
@ -223,8 +241,7 @@ function lightning.strike(pos)
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
end
|
end
|
||||||
|
end)
|
||||||
end
|
|
||||||
|
|
||||||
-- if other mods disable auto lightning during initialization, don't trigger the first lightning.
|
-- if other mods disable auto lightning during initialization, don't trigger the first lightning.
|
||||||
after(5, function(dtime)
|
after(5, function(dtime)
|
||||||
|
|
Loading…
Reference in a new issue