From 053fa59739f4b772174bf0a090969b3395ab3f98 Mon Sep 17 00:00:00 2001 From: kpoppel <poulsen.kim@gmail.com> Date: Tue, 02 Jul 2013 00:19:06 +0200 Subject: [PATCH] Merge pull request #38 from kpoppel/master --- technic/solar_panel.lua | 77 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 77 insertions(+), 0 deletions(-) diff --git a/technic/solar_panel.lua b/technic/solar_panel.lua new file mode 100644 index 0000000..96ee744 --- /dev/null +++ b/technic/solar_panel.lua @@ -0,0 +1,77 @@ +-- Solar panels are the building blocks of LV solar arrays +-- They can however also be used separately but with reduced efficiency due to the missing transformer. +-- Individual panels are 20% less efficient than when the panels are combined into full arrays. +minetest.register_node("technic:solar_panel", { + tiles = {"technic_solar_panel_top.png", "technic_solar_panel_bottom.png", "technic_solar_panel_side.png", + "technic_solar_panel_side.png", "technic_solar_panel_side.png", "technic_solar_panel_side.png"}, + groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2}, + sounds = default.node_sound_wood_defaults(), + description="Solar Panel", + active = false, + 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_int("technic_power_machine", 1) + meta:set_int("LV_EU_supply", 0) + meta:set_string("infotext", "LV Solar Panel") + end, +}) + +minetest.register_craft({ + output = 'technic:solar_panel 1', + recipe = { + {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, + {'technic:doped_silicon_wafer', 'technic:lv_cable', 'technic:doped_silicon_wafer'}, + {'technic:doped_silicon_wafer', 'technic:doped_silicon_wafer','technic:doped_silicon_wafer'}, + + } +}) + +minetest.register_abm( + {nodenames = {"technic:solar_panel"}, + interval = 1, + chance = 1, + action = function(pos, node, active_object_count, active_object_count_wider) + -- The action here is to make the solar panel prodice 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 26EU. + -- 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 panels 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 panel only during day time and if sufficient light + -- I know this is counter intuitive when cheating by using other light sources underground. + if light >= 12 and time_of_day>=0.24 and time_of_day<=0.76 and pos.y > -10 then + local charge_to_give=math.floor(light*(light*0.0867+pos1.y/130*0.4333)) + if charge_to_give<0 then charge_to_give=0 end + if charge_to_give>26 then charge_to_give=26 end + meta:set_string("infotext", "Solar Panel is active ("..charge_to_give.."EU)") + meta:set_int("LV_EU_supply", charge_to_give) + else + meta:set_string("infotext", "Solar Panel is inactive"); + meta:set_int("LV_EU_supply", 0) + end + end, +}) + +technic.register_LV_machine ("technic:solar_panel","PR") -- Gitblit v1.8.0