diff options
Diffstat (limited to 'technic/solar_array_lv.lua')
| -rw-r--r-- | technic/solar_array_lv.lua | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/technic/solar_array_lv.lua b/technic/solar_array_lv.lua new file mode 100644 index 0000000..f657814 --- /dev/null +++ b/technic/solar_array_lv.lua @@ -0,0 +1,94 @@ +-- The solar array is an assembly of panels into a powerful array +-- The assembly can deliver more energy than the individual panel because +-- of the transformer unit which converts the panel output variations into +-- a stable supply. +-- Solar arrays are not able to store large amounts of energy. +-- The LV arrays are used to make medium voltage arrays. +minetest.register_node("technic:solar_array_lv", { + tiles = {"technic_lv_solar_array_top.png", "technic_lv_solar_array_bottom.png", "technic_lv_solar_array_side.png", + "technic_lv_solar_array_side.png", "technic_lv_solar_array_side.png", "technic_lv_solar_array_side.png"}, + groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}, + sounds = default.node_sound_wood_defaults(), + description="LV Solar Array", + active = false, + technic_power_machine=1, + internal_EU_buffer=0; + internal_EU_buffer_size=1000; + drawtype = "nodebox", + paramtype = "light", + is_ground_content = true, + node_box = { + type = "fixed", + fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, + }, + selection_box = { + type = "fixed", + fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5}, + }, + on_construct = function(pos) + local meta = minetest.env:get_meta(pos) + meta:set_float("technic_power_machine", 1) + meta:set_float("internal_EU_buffer", 0) + meta:set_float("internal_EU_buffer_size", 1000) + + meta:set_string("infotext", "LV Solar Array") + meta:set_float("active", false) + end, +}) + +minetest.register_craft({ + output = 'technic:solar_array_lv 1', + recipe = { + {'technic:solar_panel', 'technic:solar_panel', 'technic:solar_panel'}, + {'technic:solar_panel', 'technic:lv_transformer', 'technic:solar_panel'}, + {'default:steel_ingot', 'technic:lv_cable', 'default:steel_ingot'}, + + } +}) + +minetest.register_abm( + {nodenames = {"technic:solar_array_lv"}, + interval = 1, + chance = 1, + action = function(pos, node, active_object_count, active_object_count_wider) + -- The action here is to make the solar array produce power + -- Power is dependent on the light level and the height above ground + -- 130m and above is optimal as it would be above cloud level. + -- Height gives 1/4 of the effect, light 3/4. Max. effect is 160EU for the array. + -- There are many ways to cheat by using other light sources like lamps. + -- As there is no way to determine if light is sunlight that is just a shame. + -- To take care of some of it solar arrays do not work outside daylight hours or if + -- built below -10m + local pos1={} + pos1.y=pos.y+1 + pos1.x=pos.x + pos1.z=pos.z + + local light = minetest.env:get_node_light(pos1, nil) + local time_of_day = minetest.env:get_timeofday() + local meta = minetest.env:get_meta(pos) + if light == nil then light = 0 end + -- turn on array only during day time and if sufficient light + -- I know this is counter intuitive when cheating by using other light sources. + if light >= 12 and time_of_day>=0.24 and time_of_day<=0.76 and pos.y > -10 then + local internal_EU_buffer = meta:get_float("internal_EU_buffer") + local internal_EU_buffer_size = meta:get_float("internal_EU_buffer_size") + local charge_to_give = math.floor(light*(light*0.5333+pos1.y/130*2.6667)) + if charge_to_give<0 then charge_to_give=0 end + if charge_to_give>160 then charge_to_give=160 end + if internal_EU_buffer+charge_to_give>internal_EU_buffer_size then + charge_to_give=internal_EU_buffer_size-internal_EU_buffer + end + meta:set_string("infotext", "Solar Array is active ("..charge_to_give.."EU)") + meta:set_float("active",1) + internal_EU_buffer=internal_EU_buffer+charge_to_give + meta:set_float("internal_EU_buffer",internal_EU_buffer) + + else + meta:set_string("infotext", "Solar Array is inactive"); + meta:set_float("active",0) + end + end, +}) + +register_LV_machine ("technic:solar_array_lv","PR") |