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lightning: allow change of strike position in callback

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cora 2022-10-13 21:58:19 +02:00 committed by Gitea
parent 1efaec526c
commit 7b1d5501c1
1 changed files with 31 additions and 24 deletions
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55
mods/ENVIRONMENT/lightning/init.lua
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@ -107,29 +107,7 @@ local function choose_pos(pos)
return pos, pos2
end
-- * pos: optional, if not given a random pos will be chosen
-- * returns: bool - success if a strike happened
function lightning.strike(pos)
if lightning.auto then
after(rng:next(lightning.interval_low, lightning.interval_high), lightning.strike)
end
local pos2
pos, pos2 = choose_pos(pos)
if not pos then
return false
end
if lightning.on_strike_functions then
for _, func in pairs(lightning.on_strike_functions) do
-- allow on_strike callbacks to destroy entities by re-obtaining objects for each callback
local objects = get_objects_inside_radius(pos2, 3.5)
func(pos, pos2, objects)
end
end
end
lightning.register_on_strike(function(pos, pos2, objects)
function lightning.strike_func(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
@ -230,7 +208,36 @@ lightning.register_on_strike(function(pos, pos2, objects)
end
end
end
end)
end
-- * pos: optional, if not given a random pos will be chosen
-- * returns: bool - success if a strike happened
function lightning.strike(pos)
if lightning.auto then
after(rng:next(lightning.interval_low, lightning.interval_high), lightning.strike)
end
local pos2
pos, pos2 = choose_pos(pos)
if not pos then
return false
end
local do_strike = true
if lightning.on_strike_functions then
for _, func in pairs(lightning.on_strike_functions) do
-- allow on_strike callbacks to destroy entities by re-obtaining objects for each callback
local objects = get_objects_inside_radius(pos2, 3.5)
local p,p2,stop = func(pos, pos2, objects)
if p then pos = p end
if p2 then pos2 = p2 end
do_strike = do_strike and not stop
end
end
if do_strike then
lightning.strike_func(pos,pos2,get_objects_inside_radius(pos2, 3.5))
end
end
-- if other mods disable auto lightning during initialization, don't trigger the first lightning.
after(5, function(dtime)