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snowdrift
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Clear sound handles on leaveplayer. Tune rain speed, particle volumes. More raindrops. Add option for collision detection

master
paramat 2017-04-15 22:38:40 +01:00
parent a8644f2c29
commit 78b6e10d73
2 changed files with 33 additions and 16 deletions
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2
README.txt
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@ -1,4 +1,4 @@
snowdrift 0.5.0 by paramat snowdrift 0.5.1 by paramat
For Minetest 0.4.15 and later For Minetest 0.4.15 and later
Depends default Depends default

47
init.lua
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@ -4,7 +4,9 @@ local PRECSPR = 6 -- Time scale for precipitation variation in minutes
local PRECOFF = -0.4 -- Precipitation offset, higher = rains more often local PRECOFF = -0.4 -- Precipitation offset, higher = rains more often
local GSCYCLE = 0.5 -- Globalstep cycle (seconds) local GSCYCLE = 0.5 -- Globalstep cycle (seconds)
local FLAKES = 16 -- Snowflakes per cycle local FLAKES = 16 -- Snowflakes per cycle
local DROPS = 32 -- Raindrops per cycle local DROPS = 64 -- Raindrops per cycle
local RAINGAIN = 0.2 -- Rain sound volume
local COLLIDE = false -- Whether particles collide with nodes
local NISVAL = 39 -- Clouds RGB value at night local NISVAL = 39 -- Clouds RGB value at night
local DASVAL = 175 -- Clouds RGB value in daytime local DASVAL = 175 -- Clouds RGB value in daytime
@ -47,6 +49,8 @@ local np_humid = {
-- Stuff -- Stuff
local difsval = DASVAL - NISVAL local difsval = DASVAL - NISVAL
local grad = 14 / 95
local yint = 1496 / 95
-- Initialise noise objects to nil -- Initialise noise objects to nil
@ -86,16 +90,17 @@ minetest.register_globalstep(function(dtime)
local nval_humid = nobj_humid:get2d({x = pposx, y = pposz}) local nval_humid = nobj_humid:get2d({x = pposx, y = pposz})
local nval_prec = nobj_prec:get2d({x = os.clock() / 60, y = 0}) local nval_prec = nobj_prec:get2d({x = os.clock() / 60, y = 0})
-- Biome system: frozen biomes below heat 35. -- Biome system: Frozen biomes below heat 35,
-- deserts below line 14 * t - 95 * h = -1496 -- deserts below line 14 * t - 95 * h = -1496
-- h = (14 * t + 1496) / 95 -- h = (14 * t + 1496) / 95
-- h = 14/95 * t + 1496/95 where 1496/95 is y intersection -- h = 14/95 * t + 1496/95
-- where 14/95 is gradient and 1496/95 is y intersection
-- h - 14/95 t = 1496/95 y intersection -- h - 14/95 t = 1496/95 y intersection
-- so area above line is -- so area above line is
-- h - 14/95 t > 1496/95 -- h - 14/95 t > 1496/95
local freeze = nval_temp < 35 local freeze = nval_temp < 35
local precip = nval_prec < (nval_humid - 50) / 50 + PRECOFF and local precip = nval_prec < (nval_humid - 50) / 50 + PRECOFF and
nval_humid - (14 / 95) * nval_temp > 1496 / 95 nval_humid - grad * nval_temp > yint
-- Check if player is outside -- Check if player is outside
local outside = minetest.get_node_light(ppos, 0.5) == 15 local outside = minetest.get_node_light(ppos, 0.5) == 15
@ -109,7 +114,6 @@ minetest.register_globalstep(function(dtime)
if time >= 0.5 then if time >= 0.5 then
time = 1 - time time = 1 - time
end end
-- Sky brightness transitions: -- Sky brightness transitions:
-- First transition (24000 -) 4500, (1 -) 0.1875 -- First transition (24000 -) 4500, (1 -) 0.1875
-- Last transition (24000 -) 5750, (1 -) 0.2396 -- Last transition (24000 -) 5750, (1 -) 0.2396
@ -143,9 +147,9 @@ minetest.register_globalstep(function(dtime)
for flake = 1, FLAKES do for flake = 1, FLAKES do
minetest.add_particle({ minetest.add_particle({
pos = { pos = {
x = pposx - 32 + math.random(0, 63), x = pposx - 24 + math.random(0, 47),
y = pposy + 10 + math.random(0, 4), y = pposy + 8 + math.random(0, 1),
z = pposz - 26 + math.random(0, 63) z = pposz - 20 + math.random(0, 47)
}, },
vel = { vel = {
x = 0.0, x = 0.0,
@ -153,9 +157,10 @@ minetest.register_globalstep(function(dtime)
z = -1.0 z = -1.0
}, },
acc = {x = 0, y = 0, z = 0}, acc = {x = 0, y = 0, z = 0},
expirationtime = 12, expirationtime = 8.5,
size = 2.8, size = 2.8,
collisiondetection = false, collisiondetection = COLLIDE,
collision_removal = true,
vertical = false, vertical = false,
texture = "snowdrift_snowflake" .. math.random(1, 4) .. ".png", texture = "snowdrift_snowflake" .. math.random(1, 4) .. ".png",
playername = player:get_player_name() playername = player:get_player_name()
@ -167,18 +172,19 @@ minetest.register_globalstep(function(dtime)
minetest.add_particle({ minetest.add_particle({
pos = { pos = {
x = pposx - 8 + math.random(0, 16), x = pposx - 8 + math.random(0, 16),
y = pposy + 6 + math.random(0, 4), y = pposy + 8 + math.random(0, 5),
z = pposz - 8 + math.random(0, 16) z = pposz - 8 + math.random(0, 16)
}, },
vel = { vel = {
x = 0.0, x = 0.0,
y = -8.0, y = -10.0,
z = 0.0 z = 0.0
}, },
acc = {x = 0, y = 0, z = 0}, acc = {x = 0, y = 0, z = 0},
expirationtime = 2, expirationtime = 2.1,
size = 2.8, size = 2.8,
collisiondetection = false, collisiondetection = COLLIDE,
collision_removal = true,
vertical = true, vertical = true,
texture = "snowdrift_raindrop.png", texture = "snowdrift_raindrop.png",
playername = player:get_player_name() playername = player:get_player_name()
@ -191,7 +197,7 @@ minetest.register_globalstep(function(dtime)
"snowdrift_rain", "snowdrift_rain",
{ {
to_player = player_name, to_player = player_name,
gain = 0.2, gain = RAINGAIN,
loop = true, loop = true,
} }
) )
@ -203,3 +209,14 @@ minetest.register_globalstep(function(dtime)
end end
end end
end) end)
-- Stop sound and remove player handle on leaveplayer
minetest.register_on_leaveplayer(function(player)
local player_name = player:get_player_name()
if handles[player_name] then
minetest.sound_stop(handles[player_name])
handles[player_name] = nil
end
end)