diff options
| -rw-r--r-- | technic/machines/HV/nuclear_reactor.lua | 77 |
1 files changed, 41 insertions, 36 deletions
diff --git a/technic/machines/HV/nuclear_reactor.lua b/technic/machines/HV/nuclear_reactor.lua index bec196e..8ba0cb1 100644 --- a/technic/machines/HV/nuclear_reactor.lua +++ b/technic/machines/HV/nuclear_reactor.lua @@ -569,47 +569,52 @@ end local assumed_abdomen_offset = vector.new(0, 1, 0) local assumed_abdomen_offset_length = vector.length(assumed_abdomen_offset) local cache_scaled_shielding = {} -minetest.register_abm({ - nodenames = {"group:radioactive"}, - interval = 1, - chance = 1, - action = function (pos, node) - local strength = minetest.registered_nodes[node.name].groups.radioactive - for _, o in ipairs(minetest.get_objects_inside_radius(pos, strength*0.001 + assumed_abdomen_offset_length)) do - if o:is_player() then - local rel = vector.subtract(vector.add(o:getpos(), assumed_abdomen_offset), pos) - local dist_sq = vector.length_square(rel) - local dist = math.sqrt(dist_sq) - local dirstep = dist == 0 and vector.new(0,0,0) or vector.divide(rel, dist*4) - local intpos = pos - local shielding = 0 - for intdist = 0.25, dist, 0.25 do - intpos = vector.add(intpos, dirstep) - local intnodepos = vector.round(intpos) - if not vector.equals(intnodepos, pos) then - local sname = minetest.get_node(intnodepos).name - local sval = cache_scaled_shielding[sname] - if not sval then - sval = math.sqrt(node_radiation_resistance(sname)) * -0.025 - cache_scaled_shielding[sname] = sval + +local damage_enabled = minetest.setting_getbool("enable_damage") + +if damage_enabled then + minetest.register_abm({ + nodenames = {"group:radioactive"}, + interval = 1, + chance = 1, + action = function (pos, node) + local strength = minetest.registered_nodes[node.name].groups.radioactive + for _, o in ipairs(minetest.get_objects_inside_radius(pos, strength*0.001 + assumed_abdomen_offset_length)) do + if o:is_player() then + local rel = vector.subtract(vector.add(o:getpos(), assumed_abdomen_offset), pos) + local dist_sq = vector.length_square(rel) + local dist = math.sqrt(dist_sq) + local dirstep = dist == 0 and vector.new(0,0,0) or vector.divide(rel, dist*4) + local intpos = pos + local shielding = 0 + for intdist = 0.25, dist, 0.25 do + intpos = vector.add(intpos, dirstep) + local intnodepos = vector.round(intpos) + if not vector.equals(intnodepos, pos) then + local sname = minetest.get_node(intnodepos).name + local sval = cache_scaled_shielding[sname] + if not sval then + sval = math.sqrt(node_radiation_resistance(sname)) * -0.025 + cache_scaled_shielding[sname] = sval + end + shielding = shielding + sval end - shielding = shielding + sval - end - end - local dmg_rate = 0.25e-6 * strength*strength * math.exp(shielding) / math.max(0.75, dist_sq) - if dmg_rate >= 0.25 then - local dmg_int = math.floor(dmg_rate) - if math.random() < dmg_rate-dmg_int then - dmg_int = dmg_int + 1 end - if dmg_int > 0 then - o:set_hp(math.max(o:get_hp() - dmg_int, 0)) + local dmg_rate = 0.25e-6 * strength*strength * math.exp(shielding) / math.max(0.75, dist_sq) + if dmg_rate >= 0.25 then + local dmg_int = math.floor(dmg_rate) + if math.random() < dmg_rate-dmg_int then + dmg_int = dmg_int + 1 + end + if dmg_int > 0 then + o:set_hp(math.max(o:get_hp() - dmg_int, 0)) + end end end end - end - end, -}) + end, + }) +end -- radioactive materials that can result from destroying a reactor |