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Add meta information, tweak effects, properly implement lightning

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Till Affeldt
2020-04-14 05:45:59 +02:00
parent 79fb0a234d
commit 263c21db1d
6 changed files with 63 additions and 19 deletions
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34
ca_effects/lightning.lua
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@ -1,17 +1,43 @@
if not minetest.get_modpath("lightning") then return end
local LIGHTNING_CHANCE = 10
local LIGHTNING_CHANCE = 1
lightning.auto = false
local rng = PcgRandom(82492402425)
-- simplified position chooser by Auke Kok (sofar) taken from lightning mod itself
-- see https://github.com/minetest-mods/lightning/blob/master/init.lua#L53-L91
-- "lightning" is licensed under GNU Lesser Public License 2.1 or any later revision
local function choose_pos(pos)
pos.x = math.floor(pos.x - (lightning.range_h / 2) + rng:next(1, lightning.range_h))
pos.y = pos.y + (lightning.range_v / 2)
pos.z = math.floor(pos.z - (lightning.range_h / 2) + rng:next(1, lightning.range_h))
local b, pos2 = minetest.line_of_sight(pos, {x = pos.x, y = pos.y - lightning.range_v, z = pos.z}, 1)
-- nothing but air found
if b then
return nil
end
local n = minetest.get_node({x = pos2.x, y = pos2.y - 1/2, z = pos2.z})
if n.name == "air" or n.name == "ignore" then
return nil
end
return pos2
end
local function handle_effect(player_data)
for playername, data in pairs(player_data) do
local player = minetest.get_player_by_name(playername)
local ppos = player:get_pos()
local random = rng:next(1, LIGHTNING_CHANCE)
if random == 1 then
lightning.strike(ppos)
local player = minetest.get_player_by_name(playername)
local ppos = player:get_pos()
local position = choose_pos(ppos)
if position ~= nil then
lightning.strike(position)
end
end
end
end