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gate_defs.lua
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gate_defs.lua
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function swap_gate_node(pos,name,dir)
local node = core.get_node(pos)
local meta = core.get_meta(pos)
local meta0 = meta:to_table()
node.name = name
node.param1=0
node.param2=dir
core.set_node(pos,node)
meta:from_table(meta0)
end
function getDir (player)
local dir=player:get_look_dir()
if math.abs(dir.x)>math.abs(dir.z) then
if dir.x>0 then return 0 end
return 1
end
if dir.z>0 then return 2 end
return 3
end
function checkNode (pos)
local node=core.get_node(pos)
if node.name == "air" then return 0 end
return 1
end
function addGateNode (gateNodes,i,pos)
gateNodes[i].pos.x=pos.x
gateNodes[i].pos.y=pos.y
gateNodes[i].pos.z=pos.z
end
function placeGate (player,pos)
local player_name=player:get_player_name()
local dir=minetest.dir_to_facedir(player:get_look_dir())
local pos1=pos
local gateNodes={}
for i=1,9,1 do
gateNodes[i]={}
gateNodes[i].pos={}
end
if dir==1 then
addGateNode(gateNodes,1,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,2,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,3,pos1)
pos1.z=pos1.z+1
pos1.y=pos1.y+1
addGateNode(gateNodes,4,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,5,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,6,pos1)
pos1.z=pos1.z+1
pos1.y=pos1.y+1
addGateNode(gateNodes,7,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,8,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,9,pos1)
end
if dir==3 then
addGateNode(gateNodes,1,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,3,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,2,pos1)
pos1.z=pos1.z+1
pos1.y=pos1.y+1
addGateNode(gateNodes,4,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,6,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,5,pos1)
pos1.z=pos1.z+1
pos1.y=pos1.y+1
addGateNode(gateNodes,7,pos1)
pos1.z=pos1.z+1
addGateNode(gateNodes,9,pos1)
pos1.z=pos1.z-2
addGateNode(gateNodes,8,pos1)
end
if dir==2 then
addGateNode(gateNodes,1,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,2,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,3,pos1)
pos1.x=pos1.x+1
pos1.y=pos1.y+1
addGateNode(gateNodes,4,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,5,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,6,pos1)
pos1.x=pos1.x+1
pos1.y=pos1.y+1
addGateNode(gateNodes,7,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,8,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,9,pos1)
end
if dir==0 then
addGateNode(gateNodes,1,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,3,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,2,pos1)
pos1.x=pos1.x+1
pos1.y=pos1.y+1
addGateNode(gateNodes,4,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,6,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,5,pos1)
pos1.x=pos1.x+1
pos1.y=pos1.y+1
addGateNode(gateNodes,7,pos1)
pos1.x=pos1.x+1
addGateNode(gateNodes,9,pos1)
pos1.x=pos1.x-2
addGateNode(gateNodes,8,pos1)
end
for i=1,9,1 do
local node=core.get_node(gateNodes[i].pos)
if node.name ~= "air" then return false end
end
core.set_node(gateNodes[1].pos,{name="stargate:gatenode_off", param1=0, param2=dir})
local meta = core.get_meta(gateNodes[1].pos)
meta:set_string("infotext", "Stargate\nOwned by: "..player_name)
meta:set_string("gateNodes",minetest.serialize(gateNodes))
meta:set_int("gateActive",0)
meta:set_string("owner",player_name)
meta:set_string("dont_destroy","false")
stargate.registerGate(player_name,gateNodes[1].pos,dir)
return true
end
function removeGate (pos)
local meta = core.get_meta(pos)
if meta:get_string("dont_destroy") == "true" then return end
local player_name=meta:get_string("owner")
local gateNodes=minetest.deserialize(meta:get_string("gateNodes"))
if gateNodes ~= nil then
core.remove_node(gateNodes[1].pos)
stargate.unregisterGate(player_name,gateNodes[1].pos)
end
end
function activateGate (pos)
local node = core.get_node(pos)
local dir=node.param2
local meta = core.get_meta(pos)
local gateNodes=minetest.deserialize(meta:get_string("gateNodes"))
meta:set_int("gateActive",1)
meta:set_string("dont_destroy","true")
minetest.sound_play("gateOpen", {pos = pos, gain = 1.0,loop = false, max_hear_distance = 72,})
swap_gate_node(gateNodes[1].pos,"stargate:gatenode_on",dir)
meta:set_string("dont_destroy","false")
end
function deactivateGate (pos)
local node = core.get_node(pos)
local dir=node.param2
local meta = core.get_meta(pos)
local gateNodes=minetest.deserialize(meta:get_string("gateNodes"))
meta:set_int("gateActive",0)
meta:set_string("dont_destroy","true")
minetest.sound_play("gateClose", {pos = pos, gain = 1.0,loop = false, max_hear_distance = 72,})
swap_gate_node(gateNodes[1].pos,"stargate:gatenode_off",dir)
meta:set_string("dont_destroy","false")
end
gateCanDig = function(pos,player)
local player_name = player:get_player_name()
local meta = core.get_meta(pos)
if meta:get_string("dont_destroy") == "true" then return end
local owner=meta:get_string("owner")
if player_name==owner then return true
else return false end
end
sg_collision_box = {
type = "fixed",
fixed={{-1.5,-0.5,-3/20,1.5,2.5,3/20},},
}
sg_selection_box = {
type = "fixed",
fixed={{-1.5,-0.5,-3/20,1.5,2.5,3/20},},
}
sg_groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,not_in_creative_inventory=1}
sg_groups1 = {snappy=2,choppy=2,oddly_breakable_by_hand=2}
minetest.register_node("stargate:gatenode_on",{
tiles = {
{name = "gray.png"},
{
name = "puddle_animated2.png",
animation = {
type = "vertical_frames",
aspect_w = 16,
aspect_h = 16,
length = 2.0,
},
},
{name = "0003.png"},
{name = "0002.png"},
{name = "0001.png"},
{name = "null.png"},
},
drawtype = "mesh",
mesh = "stargate.obj",
visual_scale = 3.0,
groups = sg_groups,
drop="stargate:gatenode_off",
paramtype2 = "facedir",
paramtype = "light",
light_source = 10,
selection_box = sg_selection_box,
collision_box = sg_collision_box,
can_dig = gateCanDig,
on_destruct = function (pos)
removeGate(pos)
end,
on_rightclick=stargate.gateFormspecHandler,
})
minetest.register_node("stargate:gatenode_off",{
description = "Stargate",
inventory_image = "stargate.png",
wield_image = "stargate.png",
tiles = {
{name = "gray.png"},
{name = "null.png"},
{name = "0003.png"},
{name = "0002.png"},
{name = "0001.png"},
{name = "null.png"},
},
groups = sg_groups1,
paramtype2 = "facedir",
paramtype = "light",
drawtype = "mesh",
mesh = "stargate.obj",
visual_scale = 3.0,
selection_box = sg_selection_box,
collision_box = sg_collision_box,
can_dig = gateCanDig,
on_destruct = function (pos)
removeGate(pos)
end,
on_place = function(itemstack, placer, pointed_thing)
local pos = pointed_thing.above
if placeGate(placer,pos)==true then
itemstack:take_item(1)
return itemstack
else
return
end
end,
on_rightclick=stargate.gateFormspecHandler,
})
minetest.register_abm({
nodenames = {"stargate:gatenode_on"},
interval = 1,
chance = 1,
action = function(pos, node, active_object_count, active_object_count_wider)
local meta = core.get_meta(pos)
for _,object in ipairs(core.get_objects_inside_radius(pos, 1)) do
if object:is_player() then
local player_name = object:get_player_name()
local owner=meta:get_string("owner")
local gate=stargate.findGate (pos)
if gate==nil then print("Gate is not registered!") return end
local pos1={}
pos1.x=gate["destination"].x
pos1.y=gate["destination"].y
pos1.z=gate["destination"].z
local dest_gate=stargate.findGate (pos1)
if dest_gate==nil then
gate["destination"]=nil
deactivateGate(pos)
stargate.save_data(owner)
return
end
if player_name~=owner and gate["type"]=="private" then return end
local dir1=gate["destination_dir"]
local dest_angle
if dir1 == 0 then
pos1.z = pos1.z-2
dest_angle = 180
elseif dir1 == 1 then
pos1.x = pos1.x-2
dest_angle = 90
elseif dir1 == 2 then
pos1.z=pos1.z+2
dest_angle = 0
elseif dir1 == 3 then
pos1.x = pos1.x+2
dest_angle = -90
end
object:moveto(pos1,false)
object:set_look_yaw(math.rad(dest_angle))
core.sound_play("enterEventHorizon", {pos = pos, gain = 1.0,loop = false, max_hear_distance = 72,})
end
end
end
})