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Slightly optimize fire ignition by lava and make it more MC-like

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This commit is contained in:
kay27 2020-12-15 00:27:20 +04:00
parent f6f2037e6a
commit 8eed6eaf4e
1 changed files with 77 additions and 23 deletions
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100
mods/ITEMS/mcl_fire/init.lua
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@ -5,6 +5,29 @@ mcl_fire = {}
local S = minetest.get_translator("mcl_fire")
local N = function(s) return s end
-- inverse pyramid pattern above lava source, floor 1 of 2:
local lava_fire=
{
{ x =-1, y = 1, z =-1},
{ x =-1, y = 1, z = 0},
{ x =-1, y = 1, z = 1},
{ x = 0, y = 1, z =-1},
{ x = 0, y = 1, z = 0},
{ x = 0, y = 1, z = 1},
{ x = 1, y = 1, z =-1},
{ x = 1, y = 1, z = 0},
{ x = 1, y = 1, z = 1}
}
local alldirs=
{
{ x =-1, y = 0, z = 0},
{ x = 1, y = 0, z = 0},
{ x = 0, y =-1, z = 0},
{ x = 0, y = 1, z = 0},
{ x = 0, y = 0, z =-1},
{ x = 0, y = 0, z = 1}
}
local spawn_smoke = function(pos)
mcl_particles.add_node_particlespawner(pos, {
amount = 0.1,
@ -402,6 +425,18 @@ minetest.register_abm({
-- Enable the following ABMs according to 'enable fire' setting
local function has_flammable(pos)
local npos, node
for n, v in ipairs(alldirs) do
npos = vector.add(pos, v)
node = minetest.get_node_or_nil(npos)
if node and node.name and minetest.get_item_group(node.name, "flammable") ~= 0 then
return npos
end
end
return false
end
if not fire_enabled then
-- Occasionally remove fire if fire disabled
@ -417,39 +452,58 @@ if not fire_enabled then
else -- Fire enabled
-- Set fire to air nodes (inverse pyramid pattern) above lava source
-- Set fire to air nodes
minetest.register_abm({
label = "Ignite fire by lava",
nodenames = {"group:lava"},
neighbors = {"air"},
interval = 7,
chance = 2,
chance = 3,
catch_up = false,
action = function(pos)
local node = minetest.get_node(pos)
local def = minetest.registered_nodes[node.name]
-- Check if liquid source node
if def and def.liquidtype ~= "source" then
return
local i, dir, target, node, i2, f
i = math.random(1,9)
dir = lava_fire[i]
target = {x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z}
node = minetest.get_node(target)
if not node or node.name ~= "air" then
i = ((i + math.random(0,7)) % 9) + 1
dir = lava_fire[i]
target = {x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z}
node = minetest.get_node(target)
if not node or node.name ~= "air" then
return
end
end
local function try_ignite(airs)
while #airs > 0 do
local r = math.random(1, #airs)
if minetest.find_node_near(airs[r], 1, {"group:flammable"}) then
spawn_fire(airs[r])
return true
else
table.remove(airs, r)
i2 = math.random(1,15)
if i2 < 10 then
local dir2, target2, node2
dir2 = lava_fire[i2]
target2 = {x=target.x+dir2.x, y=target.y+dir2.y, z=target.z+dir2.z}
node2 = minetest.get_node(target2)
if node2 and node2.name == "air" then
f = has_flammable(target2)
if f then
minetest.after(1, spawn_fire, {x=target2.x, y=target2.y, z=target2.z})
minetest.add_particle({
pos = vector.new({x=pos.x, y=pos.y+0.5, z=pos.z}),
velocity={x=f.x-pos.x, y=math.max(f.y-pos.y,0.7), z=f.z-pos.z},
expirationtime=1, size=1.5, collisiondetection=false,
glow=minetest.LIGHT_MAX, texture="mcl_particles_flame.png"
})
return
end
end
return false
end
local airs1 = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y+1, z=pos.z-1}, {x=pos.x+1, y=pos.y+1, z=pos.z+1}, {"air"})
local h = math.random(1, 2)
if h == 2 and #airs1 > 0 then
local airs2 = minetest.find_nodes_in_area({x=pos.x-2, y=pos.y+2, z=pos.z-2}, {x=pos.x+2, y=pos.y+2, z=pos.z+2}, {"air"})
try_ignite(airs2)
else
try_ignite(airs1)
f = has_flammable(target)
if f then
minetest.after(1, spawn_fire, {x=target.x, y=target.y, z=target.z})
minetest.add_particle({
pos = vector.new({x=pos.x, y=pos.y+0.5, z=pos.z}),
velocity={x=f.x-pos.x, y=math.max(f.y-pos.y,0.25), z=f.z-pos.z},
expirationtime=1, size=1, collisiondetection=false,
glow=minetest.LIGHT_MAX, texture="mcl_particles_flame.png"
})
end
end,
})