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portalgun/init.lua
AiTechEye 034489359d
Update init.lua
2020-06-19 12:39:36 +02:00

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disable_portal_stuff=false
proportal_group_only = false
portalgun={new=0,checkpoints={}}
dofile(minetest.get_modpath("portalgun") .. "/gravityuse.lua") -- the gravity part of portalgun
dofile(minetest.get_modpath("portalgun") .. "/craft.lua")
dofile(minetest.get_modpath("portalgun") .. "/stuff.lua") -- security cam
if disable_portal_stuff==false and minetest.get_modpath("mesecons")~=nil then
dofile(minetest.get_modpath("portalgun") .. "/weightedstoragecube.lua") -- weighted storage cube
dofile(minetest.get_modpath("portalgun") .. "/powerball.lua") -- the poweball
dofile(minetest.get_modpath("portalgun") .. "/other.lua")
end
portalgun_portal={}
portalgun_portal_tmp_user_abort=0
portalgun_portal_tmp_user=""
local portalgun_timer=1.2
local portalgun_time=0
portalgun_lifelime=1200 --deletes portals that not used after a while
portalgun_max_rage=100
portalgun_max_use_per_secund_time=4 --destroys the portal if excessive used
portalgun_max_use_per_secund=25 --4 & 25 is default = teleported (teleported 25 times in 4 sec)
function portalgun_param2(pos,param2,r)
local pos2={x=pos.x,y=pos.y,z=pos.z}
if r then
if param2==0 then
pos2.x=pos2.x-1
elseif param2==1 then pos2.z=pos2.z+1
elseif param2==2 then pos2.x=pos2.x+1
elseif param2==3 then pos2.z=pos2.z-1
end
else
if param2==0 then
pos2.x=pos2.x+1
elseif param2==1 then pos2.z=pos2.z-1
elseif param2==2 then pos2.x=pos2.x-1
elseif param2==3 then pos2.z=pos2.z+1
end
end
return pos2
end
local function portalgun_getLength(a)-- get length of an array / table
local count = 0
for _ in pairs(a) do count = count + 1 end
return count
end
function portal_delete(name,n) -- using set_hp & :punch instand of :remove ... no risk for crash if something attach it
if portalgun_portal[name]==nil then return end
if (n==1 or n==0) and portalgun_portal[name].portal1~=nil then
if n==0 then
local pos=portalgun_portal[name].portal1:get_pos()
if pos~=nil then minetest.sound_play("portalgun_closeportals", {pos=pos,max_hear_distance = 20, gain = 1}) end
end
portalgun_portal[name].portal1_active=false
portalgun_portal[name].portal1:set_hp(0)
portalgun_portal[name].portal1:punch(portalgun_portal[name].portal1, {full_punch_interval=1.0,damage_groups={fleshy=9000}}, "default:bronze_pick", nil)
end
if (n==2 or n==0) and portalgun_portal[name].portal2~=nil then
if n==0 then
local pos=portalgun_portal[name].portal2:get_pos()
if pos~=nil then minetest.sound_play("portalgun_closeportals", {pos=pos,max_hear_distance = 20, gain = 1}) end
end
portalgun_portal[name].portal2_active=false
portalgun_portal[name].portal2:set_hp(0)
portalgun_portal[name].portal2:punch(portalgun_portal[name].portal2, {full_punch_interval=1.0,damage_groups={fleshy=9000}}, "default:bronze_pick", nil)
end
if n==0 then portalgun_portal[name]=nil end
end
minetest.register_on_leaveplayer(function(player)-- deletes user the profile (saveing memory)
local name=player:get_player_name()
portal_delete(name,0)
portalgun_portal[name]=nil
end)
minetest.register_on_dieplayer(function(player)
local name=player:get_player_name()
portal_delete(name,0)
portalgun_portal[name]=nil
end)
portalgun_on_step=function(self, dtime)
local name=self.user
if portalgun_portal[self.user]==nil then
self.object:remove()
return self
end
if (self.project==1 and self.use~=portalgun_portal[self.user].portal1_use)
or (self.project==2 and self.use~=portalgun_portal[self.user].portal2_use) then
self.object:remove()
return self
end
if portalgun_portal[name].lifelime<0 then
portal_delete(name,0)
return self
end
if portalgun_portal[name].portal1_active and portalgun_portal[name].portal2_active then -- makes lifetime equal when both is acive, or it will be half
portalgun_portal[name].lifelime=portalgun_portal[name].lifelime-0.5
else
portalgun_portal[name].lifelime=portalgun_portal[name].lifelime-1
return self -- abort when only 1 is active (saves cpu)
end
if portalgun_portal[name].timer>0 then -- makes teleported stuff wont move back at same time (bug fix)
portalgun_portal[name].timer=portalgun_portal[name].timer-dtime
return self
end
if self.portal_max_use>0 then -- makes teleported stuff wont move back at same time (bug fix)
self.portal_max_use_time=self.portal_max_use_time+dtime
if self.portal_max_use>=portalgun_max_use_per_secund then
portal_delete(name,self.project)
return self
elseif self.portal_max_use_time>=portalgun_max_use_per_secund_time then
self.portal_max_use_time=0
self.portal_max_use=0
end
end
local pos1=0
local pos2=0
local d1=0
local d2=0
if self.project==1 then
pos1=portalgun_portal[name].portal1_pos
pos2=portalgun_portal[name].portal2_pos
d1=portalgun_portal[name].portal1_dir
d2=portalgun_portal[name].portal2_dir
else
pos1=portalgun_portal[name].portal2_pos
pos2=portalgun_portal[name].portal1_pos
d1=portalgun_portal[name].portal2_dir
d2=portalgun_portal[name].portal1_dir
end
-- portalgun_front_of_field should fix teleport through walls, but is not working in all directions
-- waiting with this issue
if pos2~=0 and pos1~=0 then
for ii, ob in pairs(minetest.get_objects_inside_radius(pos1, self.area)) do
if pos2~=0 then --and portalgun_front_of_field(self.object,ob)
if (ob:is_player() ) or (ob:get_luaentity() and ob:get_luaentity().portalgun~=1 and ob:get_luaentity().name:find(":text",4)==nil) then
if ob:get_attach() then
ob:set_detach()
ob:set_acceleration({x=0, y=-10, z=0})
end
--set velocity then teleport
local p=pos2
local x=0
local y=0
local z=0
local dis=2
if p==nil or p.x==nil then
return self
end
if ob:is_player() then
local v=ob:get_player_velocity()
local player_name=ob:get_player_name()
portalgun_power.user=player_name
portalgun_power.target=ob
local vv={x=v.x,y=v.y,z=v.z}
-- get the highest velocity
dis=2
if vv.x+vv.y+vv.z<=0.3 then
if self.small==true then
vv.x=1.4
else
vv.x=2
end
end
if vv.x+vv.y+vv.z==0 then vv.x=2 end
if vv.x<0 then vv.x=vv.x*-1 end
if vv.y<0 then vv.y=vv.y*-1 end
if vv.z<0 then vv.z=vv.z*-1 end
if vv.x>vv.z then vv.a=vv.x else vv.a=vv.z end
if vv.a<vv.y then vv.a=vv.y end
portalgun_power_tmp_power=vv.a
local m=minetest.add_entity(ob:get_pos(), "portalgun:power2")
ob:set_attach(m, "", {x=0,y=0,z=0}, {x=0,y=0,z=0})
m:set_velocity(v)
m:set_acceleration({x=0,y=-10,z=0})
ob=m
end
if ob:is_player()==false then
local v=ob:get_velocity()
if v.x<0 then v.x=v.x*-1 end
if v.y<0 then v.y=v.y*-1 end
if v.z<0 then v.z=v.z*-1 end
local vv=0 -- get the highest velocity
if v.x>v.z then vv=v.x else vv=v.z end
if vv<v.y then vv=v.y end
v.x=0
v.y=0
v.z=0
if d2=="x+" then v.x=vv end
if d2=="x-" then v.x=vv*-1 end
if d2=="y+" then v.y=vv end
if d2=="y-" then v.y=vv*-1 end
if d2=="z+" then v.z=vv end
if d2=="z-" then v.z=vv*-1 end
ob:set_velocity({x=v.x, y=v.y, z=v.z})
end
if d2=="x+" then x=2
elseif d2=="x-" then x=-dis
elseif d2=="y+" then y=dis
elseif d2=="y-" then y=-dis
elseif d2=="z+" then z=dis
elseif d2=="z-" then z=-dis
end
local obpos={x=p.x+x,y=p.y+y,z=p.z+z}
portalgun_portal[name].timer=0.2
self.portal_max_use=self.portal_max_use+1
ob:set_pos(obpos,false)
portalgun_portal[name].lifelime=portalgun_lifelime
minetest.sound_play("portalgun_teleport", {pos=portalgun_portal[name].portal1_pos,max_hear_distance = 10, gain = 30})
minetest.sound_play("portalgun_teleport", {pos=portalgun_portal[name].portal2_pos,max_hear_distance = 10, gain = 30})
end --end of set velocity part then teleport
end
end
end
end
minetest.register_entity("portalgun:portal",{ -- the portals
hp_max=10000,
visual = "mesh",
mesh = "portalgun_portal_xp.obj",
physical = false,
textures ={"portalgun_blue.png"},
visual_size = {x=1, y=1},
spritediv = {x=7, y=0},
collisionbox = {0,0,0,0,0,0},
timer=0,
user="",
project=1,
portalgun=1,
portal_max_use=0,
portal_max_use_time=0,
area=2,
small=false,
get_staticdata = function(self)
return minetest.serialize({
user= self.user,
project=self.project,
use=self.use
})
end,
on_activate= function(self, staticdata)
local data=minetest.deserialize(staticdata)
if data and type(data) == "table" then
self.user = data.user
self.project = data.project
self.use=data.use
if portalgun_portal[self.user]==nil then
self.object:remove()
return self
end
if (self.project==1 and self.use~=portalgun_portal[self.user].portal1_use)
or (self.project==2 and self.use~=portalgun_portal[self.user].portal2_use) then
self.object:remove()
return self
end
elseif portalgun_portal_tmp_user~="" then
self.user=portalgun_portal_tmp_user
portalgun_portal_tmp_user=""
self.project=portalgun_portal[self.user].project
if self.project==1 then-- if inactivated then activated and another portal is created: remove
self.use=portalgun_portal[self.user].portal1_use
else
self.use=portalgun_portal[self.user].portal2_use
end
else
self.object:remove()
return self
end
if portalgun_portal[self.user]==nil then
self.object:remove()
return self
end
local d=""
if self.project==1 then
d=portalgun_portal[self.user].portal1_dir
self.object:set_properties({textures = {"portalgun_blue.png"}})
else
d=portalgun_portal[self.user].portal2_dir
self.object:set_properties({textures = {"portalgun_orange.png"}})
end
if d=="x+" then self.object:set_yaw(math.pi * 0)
elseif d=="x-" then self.object:set_yaw(math.pi * 1)
elseif d=="y+" then self.object:set_properties({mesh = "portalgun_portal_yp.obj",}) -- becaouse there is no "setpitch"
elseif d=="y-" then self.object:set_properties({mesh = "portalgun_portal_ym.obj",}) -- becaouse there is no "setpitch"
elseif d=="z+" then self.object:set_yaw(math.pi * 0.5)
elseif d=="z-" then self.object:set_yaw(math.pi * 1.5)
end
if d=="y+" then
local pos1={}
if self.project==1 then
pos1=portalgun_portal[self.user].portal1_pos
else
pos1=portalgun_portal[self.user].portal2_pos
end
if portalgun_portal[self.user].y>8 then
pos1.y=pos1.y+1
end
if portalgun_portal[self.user].y>12 then
pos1.y=pos1.y+1
end
if self.project==1 then
portalgun_portal[self.user].portal1_pos=pos1
else
portalgun_portal[self.user].portal2_pos=pos1
end
elseif string.find(d,"y",1)==nil and (portalgun_portal[self.user].x+portalgun_portal[self.user].z<2.5) then
self.area=1.2
self.small=true
self.object:set_properties({visual_size = {x=0.7, y=0.7},})
end
end,
on_step=portalgun_on_step,
})
minetest.register_node("portalgun:gun1", {
description = "Portalgun (blue)",
range = 5,
tiles={"portalgun_gun1.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun_wearing.obj",
groups = {not_in_creative_inventory=1},
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
on_place=function(itemstack, user, pointed_thing)
portalgun_mode(itemstack, user, pointed_thing)
return itemstack
end,
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
minetest.register_node("portalgun:gun2", {
description = "Portalgun (orange)",
range = 5,
tiles={"portalgun_gun2.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun_wearing.obj",
groups = {not_in_creative_inventory=1},
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
on_place=function(itemstack, user, pointed_thing)
portalgun_mode(itemstack, user, pointed_thing)
return itemstack
end,
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
minetest.register_node("portalgun:gun", {
description = "Portalgun",
range = 5,
tiles={"portalgun_gun0.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun_wearing.obj",
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
on_place=function(itemstack, user, pointed_thing)
portalgun_mode(itemstack, user, pointed_thing)
return itemstack
end,
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
minetest.register_node("portalgun:gun1_placed", {
description = "Portalgun (blue)",
range = 5,
tiles={"portalgun_gun1.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun.obj",
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
visual_scale=0.4,
groups = {not_in_creative_inventory=1,dig_immediate = 3},
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
minetest.register_node("portalgun:gun2_placed", {
description = "Portalgun (orange)",
range = 5,
tiles={"portalgun_gun2.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun.obj",
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
visual_scale=0.4,
groups = {not_in_creative_inventory=1,dig_immediate = 3},
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
minetest.register_node("portalgun:gun_placed", {
description = "Portalgun",
range = 5,
tiles={"portalgun_gun0.png"},
selection_box = {
type = "fixed",
fixed = {
{-0.3, -0.5, -0.3, 0.3, -0.1,0.3},
}
},
drawtype="mesh",
mesh="portalgun_gun.obj",
sunlight_propagates = true,
paramtype="light",
paramtype2="facedir",
visual_scale=0.4,
groups = {not_in_creative_inventory=1,dig_immediate = 3},
on_use = function(itemstack, user, pointed_thing)
portalgun_onuse(itemstack, user, pointed_thing)
return itemstack
end
})
function portalgun_mode(itemstack, user, pointed_thing) -- change modes
local item=itemstack:to_table()
local meta=minetest.deserialize(item["metadata"])
local mode=0
if meta==nil then
meta={}
mode=1
minetest.chat_send_player(user:get_player_name(), "<Portalgun> PLACE to change portal mode (or LEFT+RIGHTCLICK to use the other)")
minetest.chat_send_player(user:get_player_name(), "<Portalgun> LEFTCLICK on an object to carry it, CLICK AGAIN to release")
minetest.chat_send_player(user:get_player_name(), "<Portalgun> SHIFT+LEFTCLICK to close both portals (or wait 40sec until it removes it self)")
end
if meta.mode==nil then meta.mode=2 end
mode=(meta.mode)
if mode==1 then
mode=2
else
mode=1
end
meta.mode=mode
item.name="portalgun:gun"..mode
item.metadata=minetest.serialize(meta)
itemstack:replace(item)
minetest.sound_play("portalgun_mode", {pos=user:get_pos(),max_hear_distance = 5, gain = 1})
end
local function rnd(r)
return math.floor(r+ 0.5)
end
function portalgun_onuse(itemstack, user, pointed_thing) -- using the gun
if pointed_thing.type=="object" then
portalgun_gravity(itemstack, user, pointed_thing)
return itemstack
end
local pos = user:get_pos()
local dir = user:get_look_dir()
local key = user:get_player_control()
local name=user:get_player_name()
local exist=0
local item=itemstack:to_table()
local mode=minetest.deserialize(item["metadata"])
if mode==nil then
portalgun_mode(itemstack, user, pointed_thing)
return itemstack
else
mode=mode.mode
end
local ob={}
ob.project=1
ob.lifelime=portalgun_lifelime
ob.portal1=0
ob.portal2=0
ob.portal1_dir=0
ob.portal2_dir=0
ob.portal2_pos=0
ob.portal1_pos=0
ob.user = user:get_player_name()
if portalgun_portal[name]==nil then -- new portal profile
portalgun_portal[name]={lifelime=portalgun_lifelime,project=1,timer=0,portal1_active=false,portal2_active=false,portal1_use=0,portal2_use=0}
end
if key.RMB and mode==2 then -- hold rmbutton to use the other one (like diplazer)
mode=1
elseif key.RMB and mode==1 then
mode=2
end
if key.sneak then
portal_delete(name,0)
return itemstack
end
pos.y=pos.y+1.5
-- the project
for i=1, portalgun_max_rage,0.5 do
local nname=minetest.get_node({x=pos.x+(dir.x*i), y=pos.y+(dir.y*i), z=pos.z+(dir.z*i)}).name
if minetest.registered_nodes[nname].walkable then
portalgun_portal[name].lifelime=portalgun_lifelime
if not proportal_group_only and minetest.get_node_group(nname, "antiportal") > 0 then
minetest.sound_play("portalgun_error", {pos=pos,max_hear_distance = 5, gain = 3})
return itemstack
elseif proportal_group_only and minetest.get_node_group(nname, "proportal") == 0 then
minetest.sound_play("portalgun_error", {pos=pos,max_hear_distance = 5, gain = 3})
return itemstack
end
if minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i)), y=rnd(pos.y+(dir.y*i)+1), z=rnd(pos.z+(dir.z*i))}).name].walkable==false and rnd(user:get_pos().y)>rnd(pos.y+(dir.y*i)) then
portalgun_setportal(pos,name,dir,i,mode,"y+")
return itemstack
elseif minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i)), y=rnd(pos.y+(dir.y*i)-1), z=rnd(pos.z+(dir.z*i))}).name].walkable==false and rnd(user:get_pos().y)<rnd(pos.y+(dir.y*i)) then
portalgun_setportal(pos,name,dir,i,mode,"y-")
return itemstack
elseif minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i)-1), y=rnd(pos.y+(dir.y*i)), z=rnd(pos.z+(dir.z*i))}).name].walkable==false and rnd(user:get_pos().x)<rnd(pos.x+(dir.x*i)) then
portalgun_setportal(pos,name,dir,i,mode,"x-")
return itemstack
elseif minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i))+1, y=rnd(pos.y+(dir.y*i)), z=rnd(pos.z+(dir.z*i))}).name].walkable==false and rnd(user:get_pos().x)>rnd(pos.x+(dir.x*i)) then
portalgun_setportal(pos,name,dir,i,mode,"x+")
return itemstack
elseif minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i)), y=rnd(pos.y+(dir.y*i)), z=rnd(pos.z+(dir.z*i)-1)}).name].walkable==false and rnd(user:get_pos().z)<rnd(pos.z+(dir.z*i)) then
portalgun_setportal(pos,name,dir,i,mode,"z-")
return itemstack
elseif minetest.registered_nodes[minetest.get_node({x=rnd(pos.x+(dir.x*i)), y=rnd(pos.y+(dir.y*i)), z=rnd(pos.z+(dir.z*i)+1)}).name].walkable==false and rnd(user:get_pos().z)>rnd(pos.z+(dir.z*i)) then
portalgun_setportal(pos,name,dir,i,mode,"z+")
return itemstack
end
minetest.sound_play("portalgun_error", {pos=pos,max_hear_distance = 20, gain = 3})
return itemstack
end
end
return itemstack
end
function portalgun_setportal(pos,name,dir,i,mode,portal_dir)
local lpos={x=pos.x+(dir.x*(i-1)), y=pos.y+(dir.y*(i-1)), z=pos.z+(dir.z*(i-1))} -- last pos
local cpos={x=pos.x+(dir.x*i), y=pos.y+(dir.y*i), z=pos.z+(dir.z*i)} -- corrent poss
if portal_dir=="y+" then
cpos.y=(math.floor(cpos.y+ 0.5))+0.524
elseif portal_dir=="y-" then
cpos.y=(math.floor(cpos.y+ 0.5))-0.524
elseif portal_dir=="z+" then
cpos.z=(math.floor(cpos.z+ 0.5))+0.524
elseif portal_dir=="z-" then
cpos.z=(math.floor(cpos.z+ 0.5))-0.524
elseif portal_dir=="x+" then
cpos.x=(math.floor(cpos.x+ 0.5))+0.524
elseif portal_dir=="x-" then
cpos.x=(math.floor(cpos.x+ 0.5))-0.524
end
if portal_dir=="x+" or portal_dir=="x-" then -- auto correct (place in center)
cpos.y=(math.floor(cpos.y+ 0.5))
cpos.z=(math.floor(cpos.z+ 0.5))
elseif portal_dir=="y+" or portal_dir=="y-" then
cpos.x=(math.floor(cpos.x+ 0.5))
cpos.z=(math.floor(cpos.z+ 0.5))
elseif portal_dir=="z+" or portal_dir=="z-" then
cpos.x=(math.floor(cpos.x+ 0.5))
cpos.y=(math.floor(cpos.y+ 0.5))
end
if minetest.registered_nodes[minetest.get_node(cpos).name].walkable then
minetest.sound_play("portalgun_error", {pos=pos,max_hear_distance = 5, gain = 3})
return false
end
if string.find(portal_dir,"x",1) or string.find(portal_dir,"z",1) then-- auto correct (move from bottom / top)
local testpos1={x=cpos.x,y=cpos.y-1,z=cpos.z}
local testpos2={x=cpos.x,y=cpos.y+1,z=cpos.z}
if minetest.registered_nodes[minetest.get_node(testpos1).name].walkable
and minetest.registered_nodes[minetest.get_node(testpos2).name].walkable==false then
cpos.y=cpos.y+0.5
elseif minetest.registered_nodes[minetest.get_node(testpos2).name].walkable
and minetest.registered_nodes[minetest.get_node(testpos1).name].walkable==false then
cpos.y=cpos.y-0.5
end
end
portalgun_portal_tmp_user=name
portalgun_portal[name].x=pos.x-lpos.x
portalgun_portal[name].y=pos.y-lpos.y
portalgun_portal[name].z=pos.z-lpos.z
portalgun_portal[name].project=mode
if portalgun_portal[name].x<0 then
portalgun_portal[name].x=portalgun_portal[name].x*-1
end
if portalgun_portal[name].z<0 then
portalgun_portal[name].z=portalgun_portal[name].z*-1
end
if mode==1 then
portal_delete(name,1)
portalgun_portal[name].portal1_use=portalgun_portal[name].portal1_use+1
portalgun_portal[name].portal1_dir=portal_dir
portalgun_portal[name].portal1_pos=cpos
portalgun_portal[name].portal1=minetest.add_entity(cpos, "portalgun:portal")
portalgun_portal[name].portal1_active=true
minetest.sound_play("portalgun_portalblue", {pos=cpos, max_hear_distance = 20, gain = 1})
else
portal_delete(name,2)
portalgun_portal[name].portal2_use=portalgun_portal[name].portal2_use+1
portalgun_portal[name].portal2_dir=portal_dir
portalgun_portal[name].portal2_pos=cpos
portalgun_portal[name].portal2=minetest.add_entity(cpos, "portalgun:portal")
portalgun_portal[name].portal2_active=true
minetest.sound_play("portalgun_portalorange", {pos=cpos,max_hear_distance = 20, gain = 1})
end
end
portalgun_front_of_field=function(ob,ob2)
local pos2=ob2:get_pos()
return vector.distance(ob:get_pos(),pos2)>vector.distance(portalgun_pointat(ob),pos2)
end
portalgun_pointat=function(ob)
local pos=ob:get_pos()
local yaw=ob:get_yaw()
if yaw ~= yaw or type(yaw)~="number" then
yaw=0
end
local z =math.sin(yaw) * -0.1
local x =math.cos(yaw) * 0.1
return {x=pos.x+x,y=pos.y,z=pos.z+z}
end
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