295 lines
7.4 KiB
Lua
295 lines
7.4 KiB
Lua
local source_list = {
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{"black", "Darkened", "292421"},
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{"blue", "Blue", "0000FF"},
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{"green", "Green", "00FF00"},
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{"white", "White", "F5F5F5"},
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{"orange", "Orange", "FF6103"},
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{"red", "Red", "FF0000"},
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{"yellow", "Yellow", "FFFF00"},
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{"pink", "pink", "FF69B4"}
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}
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for i in ipairs(source_list) do
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local color = source_list[i][1]
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local description = source_list[i][2]
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local colour = source_list[i][3]
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-- Functions
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local function get_sign(i)
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if i == 0 then
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return 0
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else
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return i / math.abs(i)
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end
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end
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local function get_velocity(v, yaw, y)
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local x = -math.sin(yaw) * v
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local z = math.cos(yaw) * v
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return {x = x, y = y, z = z}
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end
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local function get_v(v)
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return math.sqrt(v.x ^ 2 + v.z ^ 2)
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end
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-- Spaceship entity
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local spaceship = {
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initial_properties = {
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physical = true,
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collide_with_objects = false, -- Workaround fix for a MT engine bug
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collisionbox = {-2, -1.5, -2.25, 2, 1.5, 3.5},
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visual = "wielditem",
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visual_size = {x = 0.25, y = 0.25}, -- Scale up of nodebox is these * 1.5
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textures = {"spaceship:spaceship_nodebox" ..color},
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},
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-- Custom fields
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driver = nil,
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removed = false,
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v = 0,
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vy = 0,
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rot = 0,
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auto = false,
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}
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function spaceship.on_rightclick(self, clicker)
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if not clicker or not clicker:is_player() then
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return
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end
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local name = clicker:get_player_name()
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if self.driver and name == self.driver then
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-- Detach
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self.driver = nil
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self.auto = false
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clicker:set_detach()
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default.player_attached[name] = false
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default.player_set_animation(clicker, "stand" , 30)
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local pos = clicker:getpos()
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minetest.after(0.1, function()
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clicker:setpos(pos)
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end)
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elseif not self.driver then
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-- Attach
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local attach = clicker:get_attach()
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if attach and attach:get_luaentity() then
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local luaentity = attach:get_luaentity()
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if luaentity.driver then
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luaentity.driver = nil
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end
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clicker:set_detach()
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end
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self.driver = name
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clicker:set_attach(self.object, "",
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{x = 0, y = -2, z = 0}, {x = 0, y = 0, z = 0})
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default.player_attached[name] = true
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minetest.after(0.2, function()
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default.player_set_animation(clicker, "sit" , 30)
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end)
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clicker:set_look_horizontal(self.object:getyaw())
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end
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end
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function spaceship.on_activate(self, staticdata, dtime_s)
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self.object:set_armor_groups({immortal = 1})
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end
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function spaceship.on_punch(self, puncher)
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if not puncher or not puncher:is_player() or self.removed then
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return
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end
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local name = puncher:get_player_name()
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if self.driver and name == self.driver then
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-- Detach
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self.driver = nil
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puncher:set_detach()
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default.player_attached[name] = false
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end
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if not self.driver then
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-- Move to inventory
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self.removed = true
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local inv = puncher:get_inventory()
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if not (creative and creative.is_enabled_for
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and creative.is_enabled_for(name))
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or not inv:contains_item("main", "spaceship:spaceship" ..color) then
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local leftover = inv:add_item("main", "spaceship:spaceship" ..color)
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if not leftover:is_empty() then
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minetest.add_item(self.object:getpos(), leftover)
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end
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end
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minetest.after(0.1, function()
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self.object:remove()
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end)
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end
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end
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function spaceship.on_step(self, dtime)
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self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
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self.vy = self.object:getvelocity().y
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-- Controls
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if self.driver then
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local driver_objref = minetest.get_player_by_name(self.driver)
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if driver_objref then
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local ctrl = driver_objref:get_player_control()
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if ctrl.up and ctrl.down then
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if not self.auto then
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self.auto = true
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minetest.chat_send_player(self.driver,
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"[spaceship] Cruise on")
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end
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elseif ctrl.down then
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self.v = self.v - 0.1
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if self.auto then
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self.auto = false
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minetest.chat_send_player(self.driver,
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"[spaceship] Cruise off")
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end
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elseif ctrl.up or self.auto then
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self.v = self.v + 0.1
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end
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if ctrl.left then
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self.rot = self.rot + 0.001
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elseif ctrl.right then
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self.rot = self.rot - 0.001
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end
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if ctrl.jump then
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self.vy = self.vy + 0.075
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elseif ctrl.sneak then
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self.vy = self.vy - 0.075
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end
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else
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-- Player left server while driving
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-- In MT 5.0.0 use 'spaceship:on_detach_child()' to do this
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self.driver = nil
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self.auto = false
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minetest.log("warning", "[spaceship] Driver left server while" ..
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" driving. This may cause some 'Pushing ObjectRef to" ..
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" removed/deactivated object' warnings.")
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end
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end
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-- Early return for stationary vehicle
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if self.v == 0 and self.rot == 0 and self.vy == 0 then
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self.object:setpos(self.object:getpos())
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return
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end
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-- Reduction and limiting of linear speed
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local s = get_sign(self.v)
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self.v = self.v - 0.02 * s
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if s ~= get_sign(self.v) then
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self.v = 0
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end
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if math.abs(self.v) > 6 then
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self.v = 6 * get_sign(self.v)
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end
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-- Reduction and limiting of rotation
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local sr = get_sign(self.rot)
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self.rot = self.rot - 0.0003 * sr
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if sr ~= get_sign(self.rot) then
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self.rot = 0
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end
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if math.abs(self.rot) > 0.015 then
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self.rot = 0.015 * get_sign(self.rot)
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end
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-- Reduction and limiting of vertical speed
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local sy = get_sign(self.vy)
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self.vy = self.vy - 0.03 * sy
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if sy ~= get_sign(self.vy) then
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self.vy = 0
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end
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if math.abs(self.vy) > 4 then
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self.vy = 4 * get_sign(self.vy)
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end
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local new_acce = {x = 0, y = 0, z = 0}
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-- Bouyancy in liquids
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local p = self.object:getpos()
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p.y = p.y - 1.5
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local def = minetest.registered_nodes[minetest.get_node(p).name]
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if def and (def.liquidtype == "source" or def.liquidtype == "flowing") then
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new_acce = {x = 0, y = 10, z = 0}
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end
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self.object:setpos(self.object:getpos())
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self.object:setvelocity(get_velocity(self.v, self.object:getyaw(), self.vy))
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self.object:setacceleration(new_acce)
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self.object:setyaw(self.object:getyaw() + (1 + dtime) * self.rot)
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end
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minetest.register_entity("spaceship:spaceship" ..color , spaceship)
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-- Craftitem
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minetest.register_craftitem("spaceship:spaceship" .. color, {
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description = "spaceship" .. color,
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inventory_image = "spaceship_spaceship_inv.png^[colorize:#"..colour..":70",
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wield_image = "none.png",
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wield_scale = {x = 4, y = 4, z = 4},
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liquids_pointable = true,
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on_place = function(itemstack, placer, pointed_thing)
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local under = pointed_thing.under
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local node = minetest.get_node(under)
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local udef = minetest.registered_nodes[node.name]
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-- Run any on_rightclick function of pointed node instead
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if udef and udef.on_rightclick and
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not (placer and placer:is_player() and
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placer:get_player_control().sneak) then
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return udef.on_rightclick(under, node, placer, itemstack,
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pointed_thing) or itemstack
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end
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if pointed_thing.type ~= "node" then
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return itemstack
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end
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pointed_thing.under.y = pointed_thing.under.y + 2
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local spaceship = minetest.add_entity(pointed_thing.under,
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"spaceship:spaceship" ..color)
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if spaceship then
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if placer then
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spaceship:setyaw(placer:get_look_horizontal())
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end
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local player_name = placer and placer:get_player_name() or ""
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if not (creative and creative.is_enabled_for and
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creative.is_enabled_for(player_name)) then
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itemstack:take_item()
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end
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end
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return itemstack
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end,
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})
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-- Nodebox for entity wielditem visual
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minetest.register_node("spaceship:spaceship_nodebox" .. color, {
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description = "Spaceship Nodebox" .. color,
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tiles = { -- Top, base, right, left, front, back
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"color_white.png^[colorize:#"..colour..":70",
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},
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paramtype = "light",
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drawtype = "mesh",
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mesh = "spaceship.obj",
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groups = {not_in_creative_inventory = 1},
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})
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end
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