VoxeLibre/mods/ITEMS/mcl_cherry_blossom/growth.lua

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2023-04-30 23:18:53 +02:00
-- Tree Growth
-- TODO: Use better spawning behavior and wood api when wood api is finished.
function mcl_cherry_blossom.generate_cherry_tree(pos)
local pr = PseudoRandom(pos.x+pos.y+pos.z)
local r = pr:next(1,3)
local modpath = minetest.get_modpath("mcl_cherry_blossom")
local path = modpath.."/schematics/mcl_cherry_blossom_tree_"..tostring(r)..".mts"
if mcl_core.check_growth_width(pos,7,8) then
minetest.set_node(pos, {name = "air"})
if r == 1 then
minetest.place_schematic(vector.offset(pos, -2, 0, -2), path, "random", nil, false)
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elseif r == 2 then
minetest.place_schematic(vector.offset(pos, -2, 0, -2), path, nil, nil, false)
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elseif r == 3 then
minetest.place_schematic(vector.offset(pos, -3, 0, -3), path, nil, nil, false)
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end
end
end
minetest.register_abm({
label = "Cherry Tree Growth",
nodenames = "mcl_cherry_blossom:cherrysapling",
interval = 30,
chance = 5,
action = function(pos,node)
mcl_cherry_blossom.generate_cherry_tree(pos)
end,
})
local cherry_particle = {
velocity = vector.zero(),
acceleration = vector.new(0,-1,0),
size = 1.3 + math.random() * 1.2,
texture = "mcl_cherry_blossom_particle_" .. math.random(1, 12) .. ".png",
animation = {
type = "vertical_frames",
aspect_w = 3,
aspect_h = 3,
length = 0.8,
},
collision_removal = false,
collisiondetection = false,
}
local wind_direction -- vector
local time_changed -- 0 - afternoon; 1 - evening; 2 - morning
local function change_wind_direction()
local east_west = math.random() - 0.5
local north_south = math.random() - 0.5
wind_direction = vector.new(east_west, 0, north_south)
end
change_wind_direction()
minetest.register_abm({
label = "Cherry Blossom Particles",
nodenames = {"mcl_cherry_blossom:cherryleaves"},
interval = 5,
chance = 10,
action = function(pos, node)
minetest.after(0.1 + math.random() * 1.4,function()
local pt = table.copy(cherry_particle)
pt.pos = vector.offset(pos,math.random()-0.5,-0.51,math.random()-0.5)
pt.expirationtime = 1.2 + math.random() * 3.3
pt.texture = "mcl_cherry_blossom_particle_" .. math.random(1, 12) .. ".png"
local time = minetest.get_timeofday()
if time_changed ~= 0 and time > 0.6 and time < 0.605 then
time_changed = 0
change_wind_direction()
elseif (time_changed ~= 1 and time > 0.8 and time < 0.805) then
time_changed = 1
change_wind_direction()
elseif (time_changed ~= 2 and time > 0.3 and time < 0.305) then
time_changed = 2
change_wind_direction()
end
pt.acceleration = pt.acceleration + wind_direction
minetest.add_particle(pt)
end)
end
})