elepower/elepower_solar/generator.lua

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local function get_formspec_default(power, percent, state)
if not percent then percent = 0 end
return "size[8,8.5]"..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
ele.formspec.power_meter(power)..
ele.formspec.state_switcher(7, 0, state)..
"image[3.5,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
(percent)..":default_furnace_fire_fg.png]"..
"list[current_player;main;0,4.25;8,1;]"..
"list[current_player;main;0,5.5;8,3;8]"..
default.get_hotbar_bg(0, 4.25)
end
-- A generator that creates power using sunlight
function elesolar.register_solar_generator(nodename, nodedef)
-- Enable de-dusting mechanics
local dedust = nodedef.ele_solar_dust == nil or nodedef.ele_solar_dust ~= false
-- Allow for custom formspec
local get_formspec = get_formspec_default
if nodedef.get_formspec then
get_formspec = nodedef.get_formspec
nodedef.get_formspec = nil
end
local defaults = {
groups = {
ele_provider = 1,
oddly_breakable_by_hand = 1,
ele_solar_generator = 1,
},
tube = false,
ele_usage = 8,
2018-09-14 14:29:34 +00:00
ele_capacity = 64,
on_timer = function (pos, elapsed)
local refresh = true
local meta = minetest.get_meta(pos)
local nodename = nodename
local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
local generation = ele.helpers.get_node_property(meta, pos, "usage")
local storage = ele.helpers.get_node_property(meta, pos, "storage")
local state = meta:get_int("state")
local is_enabled = ele.helpers.state_enabled(meta, pos, state)
local pow_buffer = {capacity = capacity, storage = storage, usage = 0}
local status = "Idle"
local solarp = 0
while true do
if not is_enabled then
status = "Off"
break
end
if storage + generation > capacity then
break
end
-- Raycasting: Make sure the solar generator is not obstructed
-- The ray is only casted every 5 seconds instead of every second
local raystep = meta:get_int("ray_timer")
local rayokay = meta:get_int("ray_success")
local pos1 = vector.add(pos, {x=0,y=1,z=0})
local pos2 = vector.add(pos1, {x=0,y=8,z=0})
if raystep == 5 then
local ray = minetest.raycast(pos1, pos2, false, true)
local found_obstruction = false
-- Take 8 samples
for i = 1, 8 do
local pointed_thing = ray:next()
if pointed_thing and pointed_thing.type ~= "nothing" then
found_obstruction = true
break
end
end
if found_obstruction and rayokay == 1 then
rayokay = 0
elseif not found_obstruction and rayokay == 0 then
rayokay = 1
end
meta:set_int("ray_timer", 0)
else
meta:set_int("ray_timer", raystep + 1)
end
meta:set_int("ray_success", rayokay)
if rayokay == 0 then break end
local light = minetest.get_node_light(pos1, nil) or 0
local time_of_day = minetest.get_timeofday()
-- turn on array only during day time and if sufficient light
solarp = light / (minetest.LIGHT_MAX + 1)
if light >= 12 and time_of_day >= 0.24 and time_of_day <= 0.76 then
pow_buffer.usage = math.floor(solarp * generation)
if pow_buffer.usage > 0 then
pow_buffer.storage = pow_buffer.storage + pow_buffer.usage
status = "Active"
end
end
solarp = math.floor(100 * solarp)
break
end
meta:set_string("formspec", get_formspec(pow_buffer, solarp, state))
meta:set_string("infotext", ("%s %s\n%s\nLight: %s"):format(nodedef.description, status,
ele.capacity_text(capacity, pow_buffer.storage), solarp .. " %"))
meta:set_int("storage", pow_buffer.storage)
return refresh
end,
on_construct = function (pos)
local meta = minetest.get_meta(pos)
local capacity = ele.helpers.get_node_property(meta, pos, "capacity")
local storage = ele.helpers.get_node_property(meta, pos, "storage")
meta:set_string("formspec", get_formspec({capacity = capacity, storage = storage, usage = 0}, 0))
ele.helpers.start_timer(pos)
end
}
for key,val in pairs(defaults) do
if not nodedef[key] then
nodedef[key] = val
end
end
ele.register_machine(nodename, nodedef)
end
minetest.register_lbm({
label = "Enable Solar Generators on load",
name = "elepower_solar:solar_generators",
nodenames = {"group:ele_solar_generator"},
run_at_every_load = true,
action = ele.helpers.start_timer,
})