portalgun/scripts/portalgun.lua

665 lines
25 KiB
Lua

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)
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)
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_craftitem(
":",
{
description = "Portalgun",
range = 100,
inventory_image = "portalgun_gun0_rndr.png",
wield_image = "portalgun_gun0_rndr.png",
tool_capabilities = {
full_punch_interval = 0.5,
max_drop_level = 3,
damage_groups = {fleshy = 1}
},
on_place = function(itemstack, user, pointed_thing)
local node = minetest.get_node(pointed_thing.under)
if node.name == "portalgun:button" then
--use the item normally
minetest.item_place(itemstack, user, pointed_thing)
else
portalgun_onuse(itemstack, user, pointed_thing, 2)
end
return itemstack
end,
on_use = function(itemstack, user, pointed_thing)
--if pointing at turret then start breaking it
if pointed_thing.type == "node" then
local node = minetest.get_node(pointed_thing.under)
if node.name == "portalgun:turretgun" or node.name == "portalgun:turretgun2" then
minetest.remove_node(pointed_thing.under)
end
end
portalgun_onuse(itemstack, user, pointed_thing, 1)
return itemstack
end
}
)
local function rnd(r)
return math.floor(r + 0.5)
end
function portalgun_onuse(itemstack, user, pointed_thing, mode) -- 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 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.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 minetest.get_node_group(nname, "antiportal") > 0 then
minetest.sound_play("portalgun_error", {pos = pos, max_hear_distance = 5, gain = 3})
return itemstack
elseif 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