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Refactor some stuff in mcl_explosions

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Elias Åström 2021-01-26 16:31:17 +01:00
parent 4a07b0607f
commit e3d2284485
1 changed files with 24 additions and 18 deletions
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42
mods/CORE/mcl_explosions/init.lua
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@ -135,14 +135,17 @@ end
-- strength - The strength of each ray
-- raydirs - The directions for each ray
-- radius - The maximum distance each ray will go
-- drop_chance - The chance that destroyed nodes will drop their items
-- fire - If true, 1/3 of destroyed nodes become fire
-- info - Table containing information about explosion
-- puncher - object that punches other objects (optional)
--
-- Values in info:
-- drop_chance - The chance that destroyed nodes will drop their items
-- fire - If true, 1/3 nodes become fire
--
-- Note that this function has been optimized, it contains code which has been
-- inlined to avoid function calls and unnecessary table creation. This was
-- measured to give a significant performance increase.
local function trace_explode(pos, strength, raydirs, radius, drop_chance, fire, puncher, creative_enabled)
local function trace_explode(pos, strength, raydirs, radius, info, puncher)
local vm = minetest.get_voxel_manip()
local emin, emax = vm:read_from_map(vector.subtract(pos, radius),
@ -164,6 +167,9 @@ local function trace_explode(pos, strength, raydirs, radius, drop_chance, fire,
local data = vm:get_data()
local destroy = {}
local drop_chance = info.drop_chance
local fire = info.fire
-- Trace rays for environment destruction
for i = 1, #raydirs do
local rpos_x = pos.x
@ -327,7 +333,7 @@ local function trace_explode(pos, strength, raydirs, radius, drop_chance, fire,
-- Remove destroyed blocks and drop items
for hash, idx in pairs(destroy) do
local do_drop = not creative_enabled and math.random() <= drop_chance
local do_drop = math.random() <= drop_chance
local on_blast = node_on_blast[data[idx]]
local remove = true
@ -406,26 +412,26 @@ function mcl_explosions.explode(pos, strength, info, puncher)
end
local shape = sphere_shapes[radius]
local drop_chance = info.drop_change ~= nil and info.drop_change or 1 / strength
local particles = info.particles ~= nil and info.particles or true
local sound = info.sound ~= nil and info.sound or true
local fire = info.fire ~= nil and info.fire or false
-- Default values
if info.drop_chance == nil then info.drop_chance = 1 / strength end
if info.particles == nil then info.particles = true end
if info.sound == nil then info.sound = true end
if info.fire == nil then info.fire = false end
-- For backwards compatability
if info.no_particle then
particles = false
end
if info.no_sound then
sound = false
end
if info.no_particle then info.particles = false end
if info.no_sound then info.sound = false end
local creative_enabled = minetest.is_creative_enabled("")
trace_explode(pos, strength, shape, radius, drop_chance, fire, puncher, creative_enabled)
-- Dont do drops in creative mode
if minetest.is_creative_enabled("") then
info.drop_chance = 0
end
trace_explode(pos, strength, shape, radius, info, puncher)
if particles then
if info.particles then
add_particles(pos, radius)
end
if sound then
if info.sound then
minetest.sound_play("tnt_explode", {
pos = pos, gain = 1.0,
max_hear_distance = strength * 16