abstract the particle spawner start/stop functions

This commit is contained in:
Vanessa Ezekowitz 2015-05-10 21:03:50 -04:00
parent 8ef4e8c39d
commit 12f5ac9d02
3 changed files with 128 additions and 82 deletions

View File

@ -168,33 +168,12 @@ homedecor.register("shower_tray", {
sounds = default.node_sound_stone_defaults(), sounds = default.node_sound_stone_defaults(),
on_destruct = function(pos) on_destruct = function(pos)
headpos = {x=pos.x, y=pos.y+2, z=pos.z} headpos = {x=pos.x, y=pos.y+2, z=pos.z}
local above_spawner_meta = minetest.get_meta(headpos) homedecor.stop_particle_spawner(headpos)
local id = above_spawner_meta:get_int("active")
local s_handle = above_spawner_meta:get_int("sound")
if id ~= 0 then
minetest.delete_particlespawner(id)
end
if s_handle then
minetest.after(0, function(s_handle)
minetest.sound_stop(s_handle)
end, s_handle)
end
above_spawner_meta:set_int("active", nil)
above_spawner_meta:set_int("sound", nil)
end end
}) })
--Shower Head --Shower Head
local fdir_to_flowpos = {
minx = { 0.15, 0.05, -0.15, -0.05 }, maxx = { -0.15, -0.3, 0.15, 0.3 },
minz = { 0.05, 0.15, -0.05, -0.15 }, maxz = { -0.3, -0.15, 0.3, 0.15 },
velx = { 0, -0.2, 0, 0.2 }, velz = { -0.2, 0, 0.2, 0 }
}
local sh_cbox = { local sh_cbox = {
type = "fixed", type = "fixed",
@ -214,69 +193,21 @@ homedecor.register("shower_head", {
selection_box = sh_cbox, selection_box = sh_cbox,
walkable = false, walkable = false,
on_rightclick = function (pos, node, clicker) on_rightclick = function (pos, node, clicker)
local below = minetest.get_node({x=pos.x, y=pos.y-2.0, z=pos.z}) local below = minetest.get_node_or_nil({x=pos.x, y=pos.y-2.0, z=pos.z})
local is_tray = string.find(below.name, "homedecor:shower_tray") if below and string.find(below.name, "homedecor:shower_tray") then
local fdir = node.param2 local particledef = {
local minx = fdir_to_flowpos.minx[fdir + 1] outlet_x = 0,
local maxx = fdir_to_flowpos.maxx[fdir + 1] outlet_y = -0.42,
local minz = fdir_to_flowpos.minz[fdir + 1] outlet_z = 0.1,
local maxz = fdir_to_flowpos.maxz[fdir + 1] velocity_x = { min = -0.15, max = 0.15 },
local velx = fdir_to_flowpos.velx[fdir + 1] velocity_z = { min = -0.3, max = 0.1 },
local velz = fdir_to_flowpos.velz[fdir + 1] spread = 0.12
}
local this_spawner_meta = minetest.get_meta(pos) homedecor.start_particle_spawner(pos, node, particledef, "homedecor_shower")
local id = this_spawner_meta:get_int("active")
local s_handle = this_spawner_meta:get_int("sound")
if id ~= 0 then
if s_handle then
minetest.after(0, function(s_handle)
minetest.sound_stop(s_handle)
end, s_handle)
end
minetest.delete_particlespawner(id)
this_spawner_meta:set_int("active", nil)
this_spawner_meta:set_int("sound", nil)
return
end
if fdir and fdir < 4 and is_tray and (not id or id == 0) then
id = minetest.add_particlespawner({
amount = 60, time = 0, collisiondetection = true,
minpos = {x=pos.x - minx, y=pos.y-0.45, z=pos.z - minz},
maxpos = {x=pos.x - maxx, y=pos.y-0.45, z=pos.z - maxz},
minvel = {x=velx, y=-2, z=velz}, maxvel = {x=velx, y=-2, z=velz},
minacc = {x=0, y=0, z=0}, maxacc = {x=0, y=-0.05, z=0},
minexptime = 2, maxexptime = 4, minsize = 0.5, maxsize = 1,
texture = "homedecor_water_particle.png",
})
s_handle = minetest.sound_play("homedecor_shower", {
pos = pos,
max_hear_distance = 5,
loop = true
})
this_spawner_meta:set_int("active", id)
this_spawner_meta:set_int("sound", s_handle)
return
end end
end, end,
on_destruct = function(pos) on_destruct = function(pos)
local this_spawner_meta = minetest.get_meta(pos) homedecor.stop_particle_spawner(pos)
local id = this_spawner_meta:get_int("active")
local s_handle = this_spawner_meta:get_int("sound")
if id ~= 0 then
minetest.delete_particlespawner(id)
end
if s_handle then
minetest.after(0, function(s_handle)
minetest.sound_stop(s_handle)
end, s_handle)
end
this_spawner_meta:set_int("active", nil)
this_spawner_meta:set_int("sound", nil)
end end
}) })

View File

@ -0,0 +1,113 @@
-- variables taken by the start... function
--
-- pos and node are as usual, from e.g. on_rightclick.
--
-- in the { particledef } table:
--
-- outletx/y/z are the exact coords of the starting point
-- for the spawner, relative to the center of the node
--
-- velocityx/y are the speed of the particles,
-- relative to a node placed while looking north (facedir 0)
--
-- spread is the radius from the starting point,
-- along X and Z only, to randomly spawn particles.
--
-- soundname is the filename (without .ogg) of the sound file
-- to be played along with the particle stream
function homedecor.start_particle_spawner(pos, node, particledef, soundname)
local this_spawner_meta = minetest.get_meta(pos)
local id = this_spawner_meta:get_int("active")
local s_handle = this_spawner_meta:get_int("sound")
if id ~= 0 then
if s_handle then
minetest.after(0, function(s_handle)
minetest.sound_stop(s_handle)
end, s_handle)
end
minetest.delete_particlespawner(id)
this_spawner_meta:set_int("active", nil)
this_spawner_meta:set_int("sound", nil)
return
end
local fdir = node.param2
if fdir and fdir < 4 and (not id or id == 0) then
local outletx = particledef.outlet_x
local outlety = particledef.outlet_y
local outletz = particledef.outlet_z
local velocityx = particledef.velocity_x
local velocityz = particledef.velocity_z
local spread = particledef.spread
local minx_t = { outletx - spread, -outletz - spread, outletx - spread, outletz - spread }
local maxx_t = { outletx + spread, -outletz + spread, outletx + spread, outletz + spread }
local minz_t = { -outletz - spread, outletx - spread, outletz - spread, outletx - spread }
local maxz_t = { -outletz + spread, outletx + spread, outletz + spread, outletx + spread }
local minvelx_t = { velocityx.min, velocityz.min, -velocityx.max, -velocityz.max }
local maxvelx_t = { velocityx.max, velocityz.max, -velocityx.min, -velocityz.min }
local minvelz_t = { velocityz.min, velocityx.min, -velocityz.max, velocityx.min }
local maxvelz_t = { velocityz.max, velocityx.max, -velocityz.min, velocityx.max }
local minx = minx_t[fdir + 1]
local maxx = maxx_t[fdir + 1]
local minz = minz_t[fdir + 1]
local maxz = maxz_t[fdir + 1]
local minvelx = minvelx_t[fdir + 1]
local minvelz = minvelz_t[fdir + 1]
local maxvelx = maxvelx_t[fdir + 1]
local maxvelz = maxvelz_t[fdir + 1]
id = minetest.add_particlespawner({
amount = 60,
time = 0,
collisiondetection = true,
minpos = {x=pos.x - minx, y=pos.y + outlety, z=pos.z - minz},
maxpos = {x=pos.x - maxx, y=pos.y + outlety, z=pos.z - maxz},
minvel = {x = minvelx, y=-2, z = minvelz},
maxvel = {x = maxvelx, y=-2, z = maxvelz},
minacc = {x=0, y=0, z=0},
maxacc = {x=0, y=-0.05, z=0},
minexptime = 2,
maxexptime = 4,
minsize = 0.5,
maxsize = 1,
texture = "homedecor_water_particle.png",
})
s_handle = minetest.sound_play(soundname, {
pos = pos,
max_hear_distance = 5,
loop = true
})
this_spawner_meta:set_int("active", id)
this_spawner_meta:set_int("sound", s_handle)
return
end
end
function homedecor.stop_particle_spawner(pos)
local this_spawner_meta = minetest.get_meta(pos)
local id = this_spawner_meta:get_int("active")
local s_handle = this_spawner_meta:get_int("sound")
if id ~= 0 then
minetest.delete_particlespawner(id)
end
if s_handle then
minetest.after(0, function(s_handle)
minetest.sound_stop(s_handle)
end, s_handle)
end
this_spawner_meta:set_int("active", nil)
this_spawner_meta:set_int("sound", nil)
end

View File

@ -120,6 +120,8 @@ dofile(homedecor.modpath.."/handlers/expansion.lua")
dofile(homedecor.modpath.."/handlers/furnaces.lua") dofile(homedecor.modpath.."/handlers/furnaces.lua")
-- glue it all together into a registration function -- glue it all together into a registration function
dofile(homedecor.modpath.."/handlers/registration.lua") dofile(homedecor.modpath.."/handlers/registration.lua")
-- some nodes have particle spawners
dofile(homedecor.modpath.."/handlers/water_particles.lua")
-- load various other components -- load various other components
dofile(homedecor.modpath.."/misc-nodes.lua") -- the catch-all for all misc nodes dofile(homedecor.modpath.."/misc-nodes.lua") -- the catch-all for all misc nodes