forked from mtcontrib/nether-pack
change nether pearl and portal.lua
This commit is contained in:
HybridDog
@@ -19,3 +19,4 @@ If you got ideas or found bugs, please tell them to me.
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TODO:
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— find a way to get the perlin noise inside [-1; 1] or use another noise
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— add something containing items to that buildings
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236
nether/pearl.lua
236
nether/pearl.lua
@@ -7,36 +7,60 @@ local function table_contains(t, v)
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return false
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end
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local teleportball_player
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local creative = minetest.setting_getbool("creative_mode")
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local function throw_pearl(item, player)
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local playerpos = player:getpos()
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local obj = minetest.add_entity({x=playerpos.x,y=playerpos.y+1.625,z=playerpos.z}, "nether:pearl_entity")
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playerpos.y = playerpos.y+1.625
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local obj = minetest.add_entity(playerpos, "nether:pearl_entity")
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local dir = player:get_look_dir()
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obj:setvelocity({x=dir.x*30, y=dir.y*30, z=dir.z*30})
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obj:setvelocity(vector.multiply(dir, 30))
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obj:setacceleration({x=dir.x*-3, y=-dir.y^8*80-10, z=dir.z*-3})
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if not minetest.setting_getbool("creative_mode") then
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obj:get_luaentity().player = player:get_player_name()
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if not creative then
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item:take_item()
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return item
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end
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teleportball_player = player
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return item
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end
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local ENTITY = {
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timer=0,
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collisionbox = {0,0,0,0,0,0}, --not pointable
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physical = false, -- Collides with things
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textures = {"nether_pearl.png"},
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lastpos={},
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player = "",
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}
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local function get_node(pos)
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local name = minetest.get_node(pos).name
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if name == "ignore" then
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minetest.get_voxel_manip():read_from_map(pos, pos)
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name = minetest.get_node_or_nil(pos)
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if not name then
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return
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end
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name = name.name
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end
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return name
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end
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local allowed_nodes = {"air", "default:water_source"}
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local softs = {}
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local function is_soft(pos)
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local name = get_node(pos)
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if not name then
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return false
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end
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local is_soft = softs[name]
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if is_soft ~= nil then
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return is_soft
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end
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if not minetest.registered_nodes[name] then
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softs[name] = false
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return false
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end
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is_soft = minetest.registered_nodes[name].walkable == false
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softs[name] = is_soft
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return is_soft
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end
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-- teleports the player there if there's free space
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local function teleport_player(pos, player)
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local nd2 = minetest.get_node(pos).name
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local nd2 = is_soft(pos)
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pos.y = pos.y+1
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local nd3 = minetest.get_node(pos).name
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if table_contains(allowed_nodes, nd2)
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and table_contains(allowed_nodes, nd3) then
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local nd3 = is_soft(pos)
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if nd2
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and nd3 then
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pos.y = pos.y-1.4
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player:moveto(pos)
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pos.y = pos.y-0.6
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@@ -45,70 +69,130 @@ local function teleport_player(pos, player)
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return false
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end
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ENTITY.on_step = function(self, dtime)
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self.timer=self.timer+dtime
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--[[
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local dg_ps = {}
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local function forceload(pos)
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dg_ps[#dg_ps+1] = pos
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minetest.forceload_block(pos)
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minetest.after(5, function(pos)
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minetest.forceload_free_block(pos)
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for i,p in pairs(dg_ps) do
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if vector.equals(p, pos) then
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dg_ps[i] = nil
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return
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end
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end
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end, pos)
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end
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minetest.register_on_shutdown(function()
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for _,p in pairs(dg_ps) do
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minetest.forceload_free_block(p)
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end
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end)--]]
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minetest.register_entity("nether:pearl_entity", {
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timer = 0,
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collisionbox = {0,0,0,0,0,0}, --not pointable
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physical = false, -- Collides with things
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textures = {"nether_pearl.png"},
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on_activate = function(self, staticdata)
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if not staticdata
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or staticdata == "" then
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return
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end
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local tmp = minetest.deserialize(staticdata)
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if not tmp then
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minetest.log("error", "[nether] pearl: invalid staticdata ")
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return
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end
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self.player = tmp.player
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end,
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get_staticdata = function(self)
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--forceload(vector.round(self.object:getpos()))
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return minetest.serialize({
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player = self.player,
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})
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end,
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on_step = function(self, dtime)
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self.timer = self.timer+dtime
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--[[
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local delay = self.delay
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if delay < 0.1 then
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self.delay = delay+dtime
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return
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end
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self.delay = 0--]]
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if self.timer > 20 then
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self.object:remove()
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return
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end
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local pos = self.object:getpos()
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local rpos = vector.round(pos)
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local lastpos = self.lastpos
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if not lastpos then
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self.lastpos = vector.new(rpos)
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return
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end
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if lastpos.x
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and vector.equals(vector.round(lastpos), rpos) then
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return
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end
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local player = self.player
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if not player then
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minetest.log("error", "[nether] pearl: missing playername")
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self.object:remove()
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return
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end
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player = minetest.get_player_by_name(player)
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if not player then
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minetest.log("error", "[nether] pearl: missing player")
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self.object:remove()
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return
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end
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if not get_node(rpos) then
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minetest.log("error", "[nether] pearl: missing node")
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self.object:remove()
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return
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end
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self.lastpos = vector.new(pos)
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--[[ local delay = self.delay
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if delay < 0.1 then
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self.delay = delay+dtime
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return
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end
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self.delay = 0]]
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local pos = self.object:getpos()
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local lastpos = self.lastpos
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if lastpos.x
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and vector.equals(vector.round(lastpos), vector.round(pos)) then
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return
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end
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local player = self.player
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if not player
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or player == "" then
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self.player = teleportball_player
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player = teleportball_player
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end
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if not player then
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self.object:remove()
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return
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end
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if lastpos.x then --If there is no lastpos for some reason.
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local free, p = minetest.line_of_sight(lastpos, pos)
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if not free then
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local nd1 = minetest.get_node(p).name
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if not table_contains(allowed_nodes, nd1)
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and nd1 ~= "ignore" then
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self.object:remove()
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minetest.after(0, function(p) --minetest.after us used that the sound is played after the teleportation
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minetest.sound_play("nether_pearl", {pos=p, max_hear_distance=10})
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end, p)
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p.y = p.y+1
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if teleport_player(p, player) then
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if free then
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return
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end
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if is_soft(p) then
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return
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end
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self.object:remove()
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minetest.after(0, function(p) --minetest.after is used that the sound is played after the teleportation
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minetest.sound_play("nether_pearl", {pos=p, max_hear_distance=10})
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end, p)
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p.y = p.y+1
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if teleport_player(p, player) then
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return
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end
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p.y = p.y-2
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for i = -1,1,2 do
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for _,j in pairs({{i, 0}, {0, i}}) do
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if teleport_player({x=p.x+j[1], y=p.y, z=p.z+j[2]}, player) then
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return
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end
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p.y = p.y-2
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for i = -1,1,2 do
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for _,j in pairs({{i, 0}, {0, i}}) do
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if teleport_player({x=p.x+j[1], y=p.y, z=p.z+j[2]}, player) then
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return
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end
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end
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end
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for i = -1,1,2 do
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for j = -1,1,2 do
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if teleport_player({x=p.x+j, y=p.y, z=p.z+i}, player) then
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return
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end
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end
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end
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end
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for i = -1,1,2 do
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for j = -1,1,2 do
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if teleport_player({x=p.x+j, y=p.y, z=p.z+i}, player) then
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return
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end
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end
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end
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end
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if self.timer > 20 then
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self.object:remove()
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return
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end
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self.lastpos = vector.new(pos)
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end
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minetest.register_entity("nether:pearl_entity", ENTITY)
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})
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minetest.override_item("nether:pearl", {on_use = throw_pearl})
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@@ -3,7 +3,7 @@
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-- kills the player if he uses PilzAdam portal
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local obsidian_portal_kills = true
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local portal_target = nether.buildings+1
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local damage_enabled = minetest.setting_getbool("enable_damage")
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local nether_prisons = minetest.setting_getbool("enable_damage")
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local abm_allowed
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minetest.after(5, function()
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@@ -40,7 +40,7 @@ local function save_nether_players()
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end
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local update_background
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if damage_enabled then
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if nether_prisons then
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function update_background(player, down)
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if down then
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player:set_sky({r=15, g=0, b=0}, "plain")
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@@ -84,372 +84,372 @@ local function player_from_nether(player)
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end
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if damage_enabled then
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local function player_exists(name)
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for _,player in pairs(minetest.get_connected_players()) do
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if player:get_player_name() == name then
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return true
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if nether_prisons then
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local function player_exists(name)
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for _,player in pairs(minetest.get_connected_players()) do
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if player:get_player_name() == name then
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return true
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end
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end
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return false
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end
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return false
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end
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-- Chatcommands (edited) written by sss
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minetest.register_chatcommand("to_hell", {
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params = "[<player_name>]",
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description = "Send someone to hell",
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func = function(name, pname)
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if not minetest.check_player_privs(name, {nether=true}) then
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return false, "You need the nether priv to execute this chatcommand."
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-- Chatcommands (edited) written by sss
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minetest.register_chatcommand("to_hell", {
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params = "[<player_name>]",
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description = "Send someone to hell",
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func = function(name, pname)
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if not minetest.check_player_privs(name, {nether=true}) then
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return false, "You need the nether priv to execute this chatcommand."
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end
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if not player_exists(pname) then
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pname = name
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end
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local player = minetest.get_player_by_name(pname)
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if not player then
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return false, "Something went wrong."
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end
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minetest.chat_send_player(pname, "Go to hell !!!")
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player_to_nether(player)
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return true, pname.." is now in the nether."
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end
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if not player_exists(pname) then
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pname = name
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end
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local player = minetest.get_player_by_name(pname)
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if not player then
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return false, "Something went wrong."
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end
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minetest.chat_send_player(pname, "Go to hell !!!")
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player_to_nether(player)
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return true, pname.." is now in the nether."
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end
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})
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})
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minetest.register_chatcommand("from_hell", {
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params = "[<player_name>]",
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description = "Extract from hell",
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func = function(name, pname)
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if not minetest.check_player_privs(name, {nether=true}) then
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return false, "You need the nether priv to execute this chatcommand."
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minetest.register_chatcommand("from_hell", {
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params = "[<player_name>]",
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description = "Extract from hell",
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func = function(name, pname)
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if not minetest.check_player_privs(name, {nether=true}) then
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return false, "You need the nether priv to execute this chatcommand."
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end
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if not player_exists(pname) then
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pname = name
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end
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local player = minetest.get_player_by_name(pname)
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if not player then
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return false, "Something went wrong."
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end
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minetest.chat_send_player(pname, "You are free now")
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player_from_nether(player)
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local pos = player:getpos()
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player:moveto({x=pos.x, y=100, z=pos.z})
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return true, pname.." is now out of the nether."
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end
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if not player_exists(pname) then
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pname = name
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end
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local player = minetest.get_player_by_name(pname)
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if not player then
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return false, "Something went wrong."
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end
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minetest.chat_send_player(pname, "You are free now")
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player_from_nether(player)
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local pos = player:getpos()
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player:moveto({x=pos.x, y=100, z=pos.z})
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return true, pname.." is now out of the nether."
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end
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})
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})
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minetest.register_on_respawnplayer(function(player)
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local pname = player:get_player_name()
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if not table.icontains(players_in_nether, pname) then
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return
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end
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local target = vector.add(player:getpos(), {x=math.random(-100,100), y=0, z=math.random(-100,100)})
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target.y = portal_target + math.random(4)
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player:moveto(target)
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minetest.after(0, function(pname, target)
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local player = minetest.get_player_by_name(pname)
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if player then
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player:moveto(target)
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end
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end, pname, target)
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return true
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end)
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local function update_players()
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for _,player in ipairs(minetest.get_connected_players()) do
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minetest.register_on_respawnplayer(function(player)
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local pname = player:get_player_name()
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local ppos = player:getpos()
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if table.icontains(players_in_nether, pname) then
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if ppos.y > nether.start then
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player:moveto({x=ppos.x, y=portal_target, z=ppos.z})
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update_background(player, true)
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--[[minetest.kick_player(pname, "\n1. Maybe you were not allowed to teleport out of the nether."..
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if not table.icontains(players_in_nether, pname) then
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return
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end
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local target = vector.add(player:getpos(), {x=math.random(-100,100), y=0, z=math.random(-100,100)})
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target.y = portal_target + math.random(4)
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player:moveto(target)
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minetest.after(0, function(pname, target)
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local player = minetest.get_player_by_name(pname)
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if player then
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player:moveto(target)
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end
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end, pname, target)
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return true
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end)
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local function update_players()
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for _,player in ipairs(minetest.get_connected_players()) do
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local pname = player:get_player_name()
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local ppos = player:getpos()
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if table.icontains(players_in_nether, pname) then
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if ppos.y > nether.start then
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player:moveto({x=ppos.x, y=portal_target, z=ppos.z})
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update_background(player, true)
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--[[minetest.kick_player(pname, "\n1. Maybe you were not allowed to teleport out of the nether."..
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"\n2. Maybe the server lagged."..
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"\n3. please rejoin")]]
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end
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elseif ppos.y < nether.start then
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update_background(player)
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player:moveto({x=ppos.x, y=20, z=ppos.z})
|
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--[[minetest.kick_player(pname, "\n1. Maybe you were not allowed to teleport to the nether."..
|
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"\n2. Maybe the server lagged."..
|
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"\n3. please rejoin")]]
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end
|
||||
elseif ppos.y < nether.start then
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update_background(player)
|
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player:moveto({x=ppos.x, y=20, z=ppos.z})
|
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--[[minetest.kick_player(pname, "\n1. Maybe you were not allowed to teleport to the nether."..
|
||||
"\n2. Maybe the server lagged."..
|
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"\n3. please rejoin")]]
|
||||
end
|
||||
end
|
||||
end
|
||||
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||||
local timer = 0 --doesn't work if the server lags
|
||||
minetest.register_globalstep(function(dtime)
|
||||
timer = timer + dtime;
|
||||
if timer >= 2 then
|
||||
--minetest.after(1, update_players)
|
||||
update_players()
|
||||
timer = 0
|
||||
end
|
||||
end)
|
||||
|
||||
minetest.register_on_joinplayer(function(player)
|
||||
minetest.after(0, function(player)
|
||||
if player:getpos().y < nether.start then
|
||||
update_background(player, true)
|
||||
local timer = 0 --doesn't work if the server lags
|
||||
minetest.register_globalstep(function(dtime)
|
||||
timer = timer + dtime;
|
||||
if timer >= 2 then
|
||||
--minetest.after(1, update_players)
|
||||
update_players()
|
||||
timer = 0
|
||||
end
|
||||
end, player)
|
||||
end)
|
||||
end)
|
||||
|
||||
local function remove_portal_essence(pos)
|
||||
for z = -1,1 do
|
||||
for y = -2,2 do
|
||||
for x = -1,1 do
|
||||
local p = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
|
||||
if minetest.get_node(p).name == "nether:portal" then
|
||||
minetest.remove_node(p)
|
||||
end
|
||||
minetest.register_on_joinplayer(function(player)
|
||||
minetest.after(0, function(player)
|
||||
if player:getpos().y < nether.start then
|
||||
update_background(player, true)
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end, player)
|
||||
end)
|
||||
|
||||
minetest.register_abm({
|
||||
nodenames = {"nether:portal"},
|
||||
interval = 1,
|
||||
chance = 2,
|
||||
catch_up = false,
|
||||
action = function(pos, node)
|
||||
if not abm_allowed then
|
||||
return
|
||||
end
|
||||
minetest.add_particlespawner({
|
||||
amount = 32,
|
||||
time = 4,
|
||||
minpos = {x=pos.x-0.25, y=pos.y-0.5, z=pos.z-0.25},
|
||||
maxpos = {x=pos.x+0.25, y=pos.y+0.34, z=pos.z+0.25},
|
||||
minvel = {x=0, y=1, z=0},
|
||||
maxvel = {x=0, y=2, z=0},
|
||||
minacc = {x=-0.5,y=-3,z=-0.3},
|
||||
maxacc = {x=0.5,y=-0.4,z=0.3},
|
||||
minexptime = 1,
|
||||
maxexptime = 1,
|
||||
minsize = 0.4,
|
||||
maxsize = 3,
|
||||
collisiondetection = true,
|
||||
texture = "nether_portal_particle.png^[transform"..math.random(0,7),
|
||||
})
|
||||
for _,obj in pairs(minetest.get_objects_inside_radius(pos, 1)) do
|
||||
if obj:is_player() then
|
||||
local meta = minetest.get_meta(pos)
|
||||
local target = minetest.string_to_pos(meta:get_string("target"))
|
||||
if target then
|
||||
minetest.after(3, function(obj, pos, target)
|
||||
local pname = obj:get_player_name()
|
||||
if table.icontains(players_in_nether, pname) then
|
||||
return
|
||||
end
|
||||
local objpos = obj:getpos()
|
||||
objpos.y = objpos.y+0.1 -- Fix some glitches at -8000
|
||||
if minetest.get_node(vector.round(objpos)).name ~= "nether:portal" then
|
||||
return
|
||||
end
|
||||
|
||||
remove_portal_essence(pos)
|
||||
|
||||
minetest.sound_play("nether_portal_usual", {to_player=pname, gain=1})
|
||||
player_to_nether(obj)
|
||||
--obj:setpos(target)
|
||||
|
||||
end, obj, pos, target)
|
||||
end
|
||||
end
|
||||
end
|
||||
end,
|
||||
})
|
||||
|
||||
local function move_check(p1, max, dir)
|
||||
local p = {x=p1.x, y=p1.y, z=p1.z}
|
||||
local d = math.abs(max-p1[dir]) / (max-p1[dir])
|
||||
while p[dir] ~= max do
|
||||
p[dir] = p[dir] + d
|
||||
if minetest.get_node(p).name ~= "default:obsidian" then
|
||||
return false
|
||||
end
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
local function check_portal(p1, p2)
|
||||
if p1.x ~= p2.x then
|
||||
if not move_check(p1, p2.x, "x") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.x, "x") then
|
||||
return false
|
||||
end
|
||||
elseif p1.z ~= p2.z then
|
||||
if not move_check(p1, p2.z, "z") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.z, "z") then
|
||||
return false
|
||||
end
|
||||
else
|
||||
return false
|
||||
end
|
||||
|
||||
if not move_check(p1, p2.y, "y") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.y, "y") then
|
||||
return false
|
||||
end
|
||||
|
||||
return true
|
||||
end
|
||||
|
||||
local function is_portal(pos)
|
||||
for d=-3,3 do
|
||||
for y=-4,4 do
|
||||
local px = {x=pos.x+d, y=pos.y+y, z=pos.z}
|
||||
local pz = {x=pos.x, y=pos.y+y, z=pos.z+d}
|
||||
if check_portal(px, {x=px.x+3, y=px.y+4, z=px.z}) then
|
||||
return px, {x=px.x+3, y=px.y+4, z=px.z}
|
||||
end
|
||||
if check_portal(pz, {x=pz.x, y=pz.y+4, z=pz.z+3}) then
|
||||
return pz, {x=pz.x, y=pz.y+4, z=pz.z+3}
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function make_portal(pos)
|
||||
local p1, p2 = is_portal(pos)
|
||||
if not p1
|
||||
or not p2 then
|
||||
print("[nether] something failed.")
|
||||
return false
|
||||
end
|
||||
|
||||
if p1.y < nether.start then
|
||||
print("[nether] aborted, obsidian portals can't be used to get out")
|
||||
return
|
||||
end
|
||||
|
||||
for d=1,2 do
|
||||
for y=p1.y+1,p2.y-1 do
|
||||
local p
|
||||
if p1.z == p2.z then
|
||||
p = {x=p1.x+d, y=y, z=p1.z}
|
||||
else
|
||||
p = {x=p1.x, y=y, z=p1.z+d}
|
||||
end
|
||||
if minetest.get_node(p).name ~= "air" then
|
||||
return false
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local param2
|
||||
if p1.z == p2.z then
|
||||
param2 = 0
|
||||
else
|
||||
param2 = 1
|
||||
end
|
||||
|
||||
local target = {x=p1.x, y=p1.y, z=p1.z}
|
||||
target.x = target.x + 1
|
||||
target.y = portal_target + math.random(4)
|
||||
|
||||
for d=0,3 do
|
||||
for y=p1.y,p2.y do
|
||||
local p = {}
|
||||
if param2 == 0 then
|
||||
p = {x=p1.x+d, y=y, z=p1.z}
|
||||
else
|
||||
p = {x=p1.x, y=y, z=p1.z+d}
|
||||
end
|
||||
if minetest.get_node(p).name == "air" then
|
||||
minetest.set_node(p, {name="nether:portal", param2=param2})
|
||||
end
|
||||
local meta = minetest.get_meta(p)
|
||||
meta:set_string("p1", minetest.pos_to_string(p1))
|
||||
meta:set_string("p2", minetest.pos_to_string(p2))
|
||||
meta:set_string("target", minetest.pos_to_string(target))
|
||||
end
|
||||
end
|
||||
print("[nether] construction accepted.")
|
||||
return true
|
||||
end
|
||||
|
||||
minetest.override_item("default:obsidian", {
|
||||
on_destruct = function(pos)
|
||||
local meta = minetest.get_meta(pos)
|
||||
local p1 = minetest.string_to_pos(meta:get_string("p1"))
|
||||
local p2 = minetest.string_to_pos(meta:get_string("p2"))
|
||||
local target = minetest.string_to_pos(meta:get_string("target"))
|
||||
if not p1 or not p2 then
|
||||
return
|
||||
end
|
||||
for x=p1.x,p2.x do
|
||||
for y=p1.y,p2.y do
|
||||
for z=p1.z,p2.z do
|
||||
local nn = minetest.get_node({x=x,y=y,z=z}).name
|
||||
if nn == "default:obsidian" or nn == "nether:portal" then
|
||||
if nn == "nether:portal" then
|
||||
minetest.remove_node({x=x,y=y,z=z})
|
||||
end
|
||||
local m = minetest.get_meta({x=x,y=y,z=z})
|
||||
m:set_string("p1", "")
|
||||
m:set_string("p2", "")
|
||||
m:set_string("target", "")
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
meta = minetest.get_meta(target)
|
||||
if not meta then
|
||||
return
|
||||
end
|
||||
p1 = minetest.string_to_pos(meta:get_string("p1"))
|
||||
p2 = minetest.string_to_pos(meta:get_string("p2"))
|
||||
if not p1 or not p2 then
|
||||
return
|
||||
end
|
||||
for x=p1.x,p2.x do
|
||||
for y=p1.y,p2.y do
|
||||
for z=p1.z,p2.z do
|
||||
local nn = minetest.get_node({x=x,y=y,z=z}).name
|
||||
if nn == "default:obsidian" or nn == "nether:portal" then
|
||||
if nn == "nether:portal" then
|
||||
minetest.remove_node({x=x,y=y,z=z})
|
||||
end
|
||||
local m = minetest.get_meta({x=x,y=y,z=z})
|
||||
m:set_string("p1", "")
|
||||
m:set_string("p2", "")
|
||||
m:set_string("target", "")
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
})
|
||||
|
||||
minetest.after(0.1, function()
|
||||
minetest.override_item("default:mese_crystal_fragment", {
|
||||
on_place = function(stack, player, pt)
|
||||
if pt.under
|
||||
and minetest.get_node(pt.under).name == "default:obsidian" then
|
||||
print("[nether] tries to enable a portal")
|
||||
local done = make_portal(pt.under)
|
||||
if done then
|
||||
minetest.chat_send_player(
|
||||
player:get_player_name(),
|
||||
"Warning: If you are in the nether you may not be able to find the way out!"
|
||||
)
|
||||
if not minetest.setting_getbool("creative_mode") then
|
||||
stack:take_item()
|
||||
local function remove_portal_essence(pos)
|
||||
for z = -1,1 do
|
||||
for y = -2,2 do
|
||||
for x = -1,1 do
|
||||
local p = {x=pos.x+x, y=pos.y+y, z=pos.z+z}
|
||||
if minetest.get_node(p).name == "nether:portal" then
|
||||
minetest.remove_node(p)
|
||||
end
|
||||
end
|
||||
end
|
||||
return stack
|
||||
end
|
||||
end
|
||||
|
||||
minetest.register_abm({
|
||||
nodenames = {"nether:portal"},
|
||||
interval = 1,
|
||||
chance = 2,
|
||||
catch_up = false,
|
||||
action = function(pos, node)
|
||||
if not abm_allowed then
|
||||
return
|
||||
end
|
||||
minetest.add_particlespawner({
|
||||
amount = 32,
|
||||
time = 4,
|
||||
minpos = {x=pos.x-0.25, y=pos.y-0.5, z=pos.z-0.25},
|
||||
maxpos = {x=pos.x+0.25, y=pos.y+0.34, z=pos.z+0.25},
|
||||
minvel = {x=0, y=1, z=0},
|
||||
maxvel = {x=0, y=2, z=0},
|
||||
minacc = {x=-0.5,y=-3,z=-0.3},
|
||||
maxacc = {x=0.5,y=-0.4,z=0.3},
|
||||
minexptime = 1,
|
||||
maxexptime = 1,
|
||||
minsize = 0.4,
|
||||
maxsize = 3,
|
||||
collisiondetection = true,
|
||||
texture = "nether_portal_particle.png^[transform"..math.random(0,7),
|
||||
})
|
||||
for _,obj in pairs(minetest.get_objects_inside_radius(pos, 1)) do
|
||||
if obj:is_player() then
|
||||
local meta = minetest.get_meta(pos)
|
||||
local target = minetest.string_to_pos(meta:get_string("target"))
|
||||
if target then
|
||||
minetest.after(3, function(obj, pos, target)
|
||||
local pname = obj:get_player_name()
|
||||
if table.icontains(players_in_nether, pname) then
|
||||
return
|
||||
end
|
||||
local objpos = obj:getpos()
|
||||
objpos.y = objpos.y+0.1 -- Fix some glitches at -8000
|
||||
if minetest.get_node(vector.round(objpos)).name ~= "nether:portal" then
|
||||
return
|
||||
end
|
||||
|
||||
remove_portal_essence(pos)
|
||||
|
||||
minetest.sound_play("nether_portal_usual", {to_player=pname, gain=1})
|
||||
player_to_nether(obj)
|
||||
--obj:setpos(target)
|
||||
|
||||
end, obj, pos, target)
|
||||
end
|
||||
end
|
||||
end
|
||||
end,
|
||||
})
|
||||
|
||||
local function move_check(p1, max, dir)
|
||||
local p = {x=p1.x, y=p1.y, z=p1.z}
|
||||
local d = math.abs(max-p1[dir]) / (max-p1[dir])
|
||||
while p[dir] ~= max do
|
||||
p[dir] = p[dir] + d
|
||||
if minetest.get_node(p).name ~= "default:obsidian" then
|
||||
return false
|
||||
end
|
||||
end
|
||||
return true
|
||||
end
|
||||
|
||||
local function check_portal(p1, p2)
|
||||
if p1.x ~= p2.x then
|
||||
if not move_check(p1, p2.x, "x") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.x, "x") then
|
||||
return false
|
||||
end
|
||||
elseif p1.z ~= p2.z then
|
||||
if not move_check(p1, p2.z, "z") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.z, "z") then
|
||||
return false
|
||||
end
|
||||
else
|
||||
return false
|
||||
end
|
||||
|
||||
if not move_check(p1, p2.y, "y") then
|
||||
return false
|
||||
end
|
||||
if not move_check(p2, p1.y, "y") then
|
||||
return false
|
||||
end
|
||||
|
||||
return true
|
||||
end
|
||||
|
||||
local function is_portal(pos)
|
||||
for d=-3,3 do
|
||||
for y=-4,4 do
|
||||
local px = {x=pos.x+d, y=pos.y+y, z=pos.z}
|
||||
local pz = {x=pos.x, y=pos.y+y, z=pos.z+d}
|
||||
if check_portal(px, {x=px.x+3, y=px.y+4, z=px.z}) then
|
||||
return px, {x=px.x+3, y=px.y+4, z=px.z}
|
||||
end
|
||||
if check_portal(pz, {x=pz.x, y=pz.y+4, z=pz.z+3}) then
|
||||
return pz, {x=pz.x, y=pz.y+4, z=pz.z+3}
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function make_portal(pos)
|
||||
local p1, p2 = is_portal(pos)
|
||||
if not p1
|
||||
or not p2 then
|
||||
print("[nether] something failed.")
|
||||
return false
|
||||
end
|
||||
|
||||
if p1.y < nether.start then
|
||||
print("[nether] aborted, obsidian portals can't be used to get out")
|
||||
return
|
||||
end
|
||||
|
||||
for d=1,2 do
|
||||
for y=p1.y+1,p2.y-1 do
|
||||
local p
|
||||
if p1.z == p2.z then
|
||||
p = {x=p1.x+d, y=y, z=p1.z}
|
||||
else
|
||||
p = {x=p1.x, y=y, z=p1.z+d}
|
||||
end
|
||||
if minetest.get_node(p).name ~= "air" then
|
||||
return false
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local param2
|
||||
if p1.z == p2.z then
|
||||
param2 = 0
|
||||
else
|
||||
param2 = 1
|
||||
end
|
||||
|
||||
local target = {x=p1.x, y=p1.y, z=p1.z}
|
||||
target.x = target.x + 1
|
||||
target.y = portal_target + math.random(4)
|
||||
|
||||
for d=0,3 do
|
||||
for y=p1.y,p2.y do
|
||||
local p = {}
|
||||
if param2 == 0 then
|
||||
p = {x=p1.x+d, y=y, z=p1.z}
|
||||
else
|
||||
p = {x=p1.x, y=y, z=p1.z+d}
|
||||
end
|
||||
if minetest.get_node(p).name == "air" then
|
||||
minetest.set_node(p, {name="nether:portal", param2=param2})
|
||||
end
|
||||
local meta = minetest.get_meta(p)
|
||||
meta:set_string("p1", minetest.pos_to_string(p1))
|
||||
meta:set_string("p2", minetest.pos_to_string(p2))
|
||||
meta:set_string("target", minetest.pos_to_string(target))
|
||||
end
|
||||
end
|
||||
print("[nether] construction accepted.")
|
||||
return true
|
||||
end
|
||||
|
||||
minetest.override_item("default:obsidian", {
|
||||
on_destruct = function(pos)
|
||||
local meta = minetest.get_meta(pos)
|
||||
local p1 = minetest.string_to_pos(meta:get_string("p1"))
|
||||
local p2 = minetest.string_to_pos(meta:get_string("p2"))
|
||||
local target = minetest.string_to_pos(meta:get_string("target"))
|
||||
if not p1 or not p2 then
|
||||
return
|
||||
end
|
||||
for x=p1.x,p2.x do
|
||||
for y=p1.y,p2.y do
|
||||
for z=p1.z,p2.z do
|
||||
local nn = minetest.get_node({x=x,y=y,z=z}).name
|
||||
if nn == "default:obsidian" or nn == "nether:portal" then
|
||||
if nn == "nether:portal" then
|
||||
minetest.remove_node({x=x,y=y,z=z})
|
||||
end
|
||||
local m = minetest.get_meta({x=x,y=y,z=z})
|
||||
m:set_string("p1", "")
|
||||
m:set_string("p2", "")
|
||||
m:set_string("target", "")
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
meta = minetest.get_meta(target)
|
||||
if not meta then
|
||||
return
|
||||
end
|
||||
p1 = minetest.string_to_pos(meta:get_string("p1"))
|
||||
p2 = minetest.string_to_pos(meta:get_string("p2"))
|
||||
if not p1 or not p2 then
|
||||
return
|
||||
end
|
||||
for x=p1.x,p2.x do
|
||||
for y=p1.y,p2.y do
|
||||
for z=p1.z,p2.z do
|
||||
local nn = minetest.get_node({x=x,y=y,z=z}).name
|
||||
if nn == "default:obsidian" or nn == "nether:portal" then
|
||||
if nn == "nether:portal" then
|
||||
minetest.remove_node({x=x,y=y,z=z})
|
||||
end
|
||||
local m = minetest.get_meta({x=x,y=y,z=z})
|
||||
m:set_string("p1", "")
|
||||
m:set_string("p2", "")
|
||||
m:set_string("target", "")
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
})
|
||||
end)
|
||||
|
||||
minetest.after(0.1, function()
|
||||
minetest.override_item("default:mese_crystal_fragment", {
|
||||
on_place = function(stack, player, pt)
|
||||
if pt.under
|
||||
and minetest.get_node(pt.under).name == "default:obsidian" then
|
||||
print("[nether] tries to enable a portal")
|
||||
local done = make_portal(pt.under)
|
||||
if done then
|
||||
minetest.chat_send_player(
|
||||
player:get_player_name(),
|
||||
"Warning: If you are in the nether you may not be able to find the way out!"
|
||||
)
|
||||
if not minetest.setting_getbool("creative_mode") then
|
||||
stack:take_item()
|
||||
end
|
||||
end
|
||||
end
|
||||
return stack
|
||||
end
|
||||
})
|
||||
end)
|
||||
end
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user