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AiTechEye
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tempsurvive={
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step_timer=0,
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step_time=1,
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player={},
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perlin={
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offset=50,
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scale=50,
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spread={x=1000,y=1000,z=1000},
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seed=5349,
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octaves=3,
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persist=0.5,
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lacunarity=2,
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flags="default"
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},
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bar={
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hud_elem_type="statbar",
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position={x=0.5,y=1.025},
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text="tempsurvive_bar.png",
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number=40,
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size={x=24,y=4},
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direction=0,
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offset={x=-244, y=-88}, --offset={x=-265, y=-88},
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},
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screen={
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hud_elem_type = "image",
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text ="tempsurvive_screen.png",
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scale = {x=-100, y=-100},
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alignment = {x=1, y=1},
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},
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nodes={
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["snowy"]={add=-1},
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["default:ice"]={add=-2},
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["water"]={add=-10},
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["default:torch"]={add=5},
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["igniter"]={add=15},
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["default:furnace_active"]={add=10},
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}
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}
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minetest.after(0.1, function()
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local groups_to_change={}
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for i,v in pairs(tempsurvive.nodes) do
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if string.find(i,":")==nil then
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groups_to_change[i]=v
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else
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local group=table.copy(minetest.registered_nodes[i].groups or {})
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group.tempsurvive=1
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group.tempsurvive_add=v.add
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minetest.override_item(i, {groups=group})
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end
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end
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for i,v in pairs(minetest.registered_nodes) do
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for ii,vv in pairs(groups_to_change) do
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if v.groups[ii] then
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local group=table.copy(v.groups or {})
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group.tempsurvive=1
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group.tempsurvive_add=vv.add
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minetest.override_item(i, {groups=group})
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end
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end
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end
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end)
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tempsurvive.exposed=function(pos1,pos2,add)
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local d=vector.distance(pos1,pos2)
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if d<1 then
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return add
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end
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local v = {x = pos1.x - pos2.x, y = pos1.y - pos2.y-1, z = pos1.z - pos2.z}
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v.y=v.y-1
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local amount = (v.x ^ 2 + v.y ^ 2 + v.z ^ 2) ^ 0.5
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v.x = (v.x / amount)*-1
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v.y = (v.y / amount)*-1
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v.z = (v.z / amount)*-1
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for i=1,d,1 do
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local node=minetest.registered_nodes[minetest.get_node({x=pos1.x+(v.x*i),y=pos1.y+(v.y*i),z=pos1.z+(v.z*i)}).name]
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if node and node.walkable then
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local c=minetest.get_node_group(node.name,"cracky")
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if add<0 then
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return 0
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elseif c>0 then
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c=c+1
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else
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c=2
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end
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add=add/c
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end
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end
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return add/d
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end
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tempsurvive.spread_temperature=function(target_pos,pos,add,rad)
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local jobs={pos}
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local checked={}
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while #jobs>0 and #jobs<1000 do
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for i,p in pairs(jobs) do
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for x=-1,1,1 do
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for y=-1,1,1 do
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for z=-1,1,1 do
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local np={x=p.x+x,y=p.y+y,z=p.z+z}
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local ta=minetest.pos_to_string(np)
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local d=vector.distance(pos,np)
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if d<=rad and not checked[ta] and minetest.get_node(np).name=="air" then
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if vector.distance(target_pos,np)<=1 then
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return add/vector.distance(target_pos,pos)
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end
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checked[ta]=true
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table.insert(jobs,np)
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end
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end
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end
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end
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table.remove(jobs,i)
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end
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end
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return 0
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end
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tempsurvive.get_bio_temperature=function(pos)
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if pos.y<-50 then return 0 end
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local p={x=math.floor(pos.x),y=0,z=math.floor(pos.z)}
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local l=minetest.get_node_light(pos) or 0
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local temp=minetest.get_perlin(tempsurvive.perlin):get2d({x=p.x,y=p.z})-40
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if temp>0 then
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return temp+((l*0.025)*temp)
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else
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return temp,temp+(l*0.1)
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end
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end
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tempsurvive.new=function(player)
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tempsurvive.player[player:get_player_name()]={
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temp=0,
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status=10,
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heat_resistance=40,
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coldness_resistance=-10,
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}
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end
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minetest.register_globalstep(function(dtime)
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if tempsurvive.step_timer>tempsurvive.step_time then
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tempsurvive.step_timer=0
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else
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tempsurvive.step_timer=tempsurvive.step_timer+dtime
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return
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end
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for _,player in ipairs(minetest.get_connected_players()) do
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local ptemp=tempsurvive.player[player:get_player_name()]
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if not ptemp then return end
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local pos=player:get_pos()
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local temp=tempsurvive.get_bio_temperature(pos)
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local a=minetest.find_nodes_in_area({x=pos.x-2, y=pos.y-2, z=pos.z-2}, {x=pos.x+2, y=pos.y+2, z=pos.z+2}, {"group:tempsurvive"})
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local n=50
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for i,no in pairs(a) do
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local ca=tempsurvive.exposed(pos,no,minetest.get_item_group(minetest.get_node(no).name,"tempsurvive_add"))
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temp=temp+ca
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if ca~=0 then
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n=n-1
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if n<1 then break end
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end
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end
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ptemp.temp=ptemp.temp-(math.floor(ptemp.temp-temp)*0.001)
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if ptemp.temp<ptemp.coldness_resistance then
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player:punch(player,1+math.floor((ptemp.temp-ptemp.coldness_resistance)*-0.1),{full_punch_interval=1,damage_groups={fleshy=1}})
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elseif ptemp.temp>ptemp.heat_resistance then
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player:punch(player,1+math.floor((ptemp.temp-ptemp.heat_resistance)*0.5),{full_punch_interval=1,damage_groups={fleshy=1}})
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end
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local pt=math.floor(math.abs(ptemp.temp))
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--print("temp, ptemp",temp,ptemp.temp)
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--print("% heat",(pt/math.abs(ptemp.heat_resistance))*20)
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--print("% cold",(pt/math.abs(ptemp.coldness_resistance))*20)
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if ptemp.temp<0 and pt<=ptemp.coldness_resistance*-1 then
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local t=math.floor(pt/math.abs(ptemp.coldness_resistance)*15)
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local ht=tempsurvive.n2dhex(math.ceil(t/2))
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player:hud_change(ptemp.bar, "text", tempsurvive.bar.text .."^[colorize:#00" .. tempsurvive.n2dhex(15-t) .. tempsurvive.n2dhex(t) .."cc")
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player:hud_change(ptemp.bar, "number", 20-math.floor(pt/math.abs(ptemp.coldness_resistance)*20))
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player:hud_change(ptemp.screen, "text", tempsurvive.screen.text .."^[colorize:#00" .. ht .. tempsurvive.n2dhex(t) .. ht)
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elseif ptemp.temp>=0 and pt<=ptemp.heat_resistance then
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local t=math.floor(pt/math.abs(ptemp.heat_resistance)*15)
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local ht=tempsurvive.n2dhex(math.ceil(t/2))
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player:hud_change(ptemp.bar, "text", tempsurvive.bar.text .."^[colorize:#" .. tempsurvive.n2dhex(t) ..tempsurvive.n2dhex(15-t) .."00cc")
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player:hud_change(ptemp.bar, "number", 20+math.floor(pt/math.abs(ptemp.heat_resistance)*20))
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player:hud_change(ptemp.screen, "text", tempsurvive.screen.text .."^[colorize:#" .. tempsurvive.n2dhex(t) .. ht .. "00" .. ht)
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end
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end
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end)
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tempsurvive.n2dhex=function(n)
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if n<0 then n=0 end
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local a={0,1,2,3,4,5,6,7,8,9,"a","b","c","d","e","f"}
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local a2=a[n+1] or "f"
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return a2 .. a2
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end
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minetest.register_on_joinplayer(function(player)
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tempsurvive.new(player)
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tempsurvive.player[player:get_player_name()].bar=player:hud_add(tempsurvive.bar)
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tempsurvive.player[player:get_player_name()].screen=player:hud_add(tempsurvive.screen)
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if 1 then return end
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tempsurvive.player[player:get_player_name()].screen=player:hud_add({
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hud_elem_type = "image",
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text ="tempsurvive_screen.png",
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name = "screen",
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scale = {x=-100, y=-100},
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position = {x=0, y=0},
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alignment = {x=1, y=1},
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})
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end)
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--minetest.after(0, function() end,)
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minetest.register_on_leaveplayer(function(player)
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tempsurvive.player[player:get_player_name()]=nil
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end)
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