256 lines
6.9 KiB
Lua
256 lines
6.9 KiB
Lua
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ufos = {}
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local floor_pos = function(pos)
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return {x=math.floor(pos.x),y=math.floor(pos.y),z=math.floor(pos.z)}
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end
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local UFO_SPEED = 1
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local UFO_TURN_SPEED = 2
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local UFO_MAX_SPEED = 10
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local UFO_FUEL_USE = .01
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ufos.fuel_from_wear = function(wear)
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local fuel
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if wear == 0 then
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fuel = 0
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else
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fuel = (65535-(wear-1))*100/65535
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end
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return fuel
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end
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ufos.wear_from_fuel = function(fuel)
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local wear = (100-(fuel))*65535/100+1
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if wear > 65535 then wear = 0 end
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return wear
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end
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ufos.get_fuel = function(self)
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return self.fuel
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end
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ufos.set_fuel = function(self,fuel,object)
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self.fuel = fuel
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end
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ufos.ufo_to_item = function(self)
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local wear = ufos.wear_from_fuel(ufos.get_fuel(self))
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return {name="ufos:ufo",wear=wear}
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end
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ufos.ufo_from_item = function(itemstack,placer,pointed_thing)
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-- set owner
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ufos.next_owner = placer:get_player_name()
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-- restore the fuel inside the item
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local wear = itemstack:get_wear()
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ufos.set_fuel(ufos.ufo,ufos.fuel_from_wear(wear))
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-- add the entity
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e = minetest.env:add_entity(pointed_thing.above, "ufos:ufo")
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-- remove the item
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itemstack:take_item()
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-- reset owner for next ufo
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ufos.next_owner = ""
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end
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ufos.check_owner = function(self, clicker)
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if self.owner_name ~= "" and clicker:get_player_name() ~= self.owner_name then
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minetest.chat_send_player(clicker:get_player_name(), "This UFO is owned by "..self.owner_name.." !")
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return false
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elseif self.owner_name == "" then
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minetest.chat_send_player(clicker:get_player_name(), "This UFO was not protected, you are now its owner !")
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self.owner_name = clicker:get_player_name()
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end
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return true
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end
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ufos.next_owner = ""
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ufos.ufo = {
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physical = true,
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collisionbox = {-1.5,-.5,-1.5, 1.5,2,1.5},
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visual = "mesh",
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mesh = "ufo.x",
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textures = {"ufo_0.png"},
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driver = nil,
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owner_name = "",
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v = 0,
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fuel = 0,
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fueli = 0
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}
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function ufos.ufo:on_rightclick (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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if self.driver and clicker == self.driver then
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self.driver = nil
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clicker:set_detach()
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elseif not self.driver then
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if ufos.check_owner(self,clicker) then
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self.driver = clicker
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clicker:set_attach(self.object, "", {x=0,y=7.5,z=0}, {x=0,y=0,z=0})
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end
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end
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end
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function ufos.ufo:on_activate (staticdata, dtime_s)
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if ufos.next_owner ~= "" then
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self.owner_name = ufos.next_owner
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ufos.next_owner = ""
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else
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local data = staticdata:split(';')
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if data and data[1] and data[2] then
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self.owner_name = data[1]
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self.fuel = tonumber(data[2])
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end
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end
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self.object:set_armor_groups({immortal=1})
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end
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function ufos.ufo:on_punch (puncher, time_from_last_punch, tool_capabilities, direction)
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if puncher and puncher:is_player() then
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if ufos.check_owner(self,puncher) then
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puncher:get_inventory():add_item("main", ufos.ufo_to_item(self))
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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 ufos.ufo:on_step (dtime)
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local fuel = ufos.get_fuel(self)
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if self.driver then
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local ctrl = self.driver:get_player_control()
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local vel = self.object:getvelocity()
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if fuel == nil then fuel = 0 end
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if fuel > 0 and ctrl.up then
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vel.x = vel.x + math.cos(self.object:getyaw()+math.pi/2)*UFO_SPEED
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vel.z = vel.z + math.sin(self.object:getyaw()+math.pi/2)*UFO_SPEED
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fuel = fuel - UFO_FUEL_USE
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else
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vel.x = vel.x*.99
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vel.z = vel.z*.99
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end
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if ctrl.down then
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vel.x = vel.x*.9
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vel.z = vel.z*.9
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end
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if fuel > 0 and ctrl.jump then
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vel.y = vel.y+UFO_SPEED
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fuel = fuel - UFO_FUEL_USE
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elseif fuel > 0 and ctrl.sneak then
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vel.y = vel.y-UFO_SPEED
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fuel = fuel - UFO_FUEL_USE
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else
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vel.y = vel.y*.9
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end
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if vel.x > UFO_MAX_SPEED then vel.x = UFO_MAX_SPEED end
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if vel.x < -UFO_MAX_SPEED then vel.x = -UFO_MAX_SPEED end
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if vel.y > UFO_MAX_SPEED then vel.y = UFO_MAX_SPEED end
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if vel.y < -UFO_MAX_SPEED then vel.y = -UFO_MAX_SPEED end
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if vel.z > UFO_MAX_SPEED then vel.z = UFO_MAX_SPEED end
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if vel.z < -UFO_MAX_SPEED then vel.z = -UFO_MAX_SPEED end
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self.object:setvelocity(vel)
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if ctrl.left then
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self.object:setyaw(self.object:getyaw()+math.pi/120*UFO_TURN_SPEED)
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end
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if ctrl.right then
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self.object:setyaw(self.object:getyaw()-math.pi/120*UFO_TURN_SPEED)
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end
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if ctrl.aux1 then
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local pos = self.object:getpos()
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local t = {{x=2,z=0},{x=-2,z=0},{x=0,z=2},{x=0,z=-2}}
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for _, i in ipairs(t) do
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pos.x = pos.x + i.x; pos.z = pos.z + i.z;
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if minetest.env:get_node(pos).name == "ufos:furnace" then
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meta = minetest.env:get_meta(pos)
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if fuel < 100 and meta:get_int("charge") > 0 then
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fuel = fuel + 1
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meta:set_int("charge",meta:get_int("charge")-1)
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meta:set_string("formspec", ufos.furnace_inactive_formspec
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.. "label[0,0;Charge: "..meta:get_int("charge"))
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end
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end
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pos.x = pos.x - i.x; pos.z = pos.z - i.z;
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end
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end
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end
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if fuel < 0 then fuel = 0 end
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if fuel > 100 then fuel = 100 end
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if self.fueli ~= math.floor(fuel*8/100) then
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self.fueli = math.floor(fuel*8/100)
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print(self.fueli)
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self.textures = {"ufo_"..self.fueli..".png"}
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self.object:set_properties(self)
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end
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ufos.set_fuel(self,fuel)
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end
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function ufos.ufo:get_staticdata()
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return self.owner_name..";"..tostring(self.fuel)
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end
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minetest.register_entity("ufos:ufo", ufos.ufo)
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minetest.register_tool("ufos:ufo", {
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description = "ufo",
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inventory_image = "ufos_inventory.png",
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wield_image = "ufos_inventory.png",
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tool_capabilities = {load=0,max_drop_level=0, groupcaps={fleshy={times={}, uses=100, maxlevel=0}}},
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type ~= "node" then
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return
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end
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-- Call on_rightclick if the pointed node defines it
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if placer and not placer:get_player_control().sneak then
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local n = minetest.get_node(pointed_thing.under)
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local nn = n.name
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if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].on_rightclick then
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return minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer, itemstack) or itemstack
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end
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end
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ufos.ufo_from_item(itemstack,placer,pointed_thing)
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return itemstack
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end,
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})
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minetest.register_craft( {
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output = 'ufos:ufo',
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recipe = {
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{ "", "default:glass", ""},
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{ "default:mese_crystal_fragment", "", "default:mese_crystal_fragment"},
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{ "default:steelblock", "default:mese", "default:steelblock"},
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},
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})
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-- ufos box kept for compatibility only
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minetest.register_node("ufos:box", {
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description = "UFO BOX (you hacker you!)",
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tiles = {"ufos_box.png"},
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groups = {not_in_creative_inventory=1},
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on_rightclick = function(pos, node, clicker, itemstack)
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meta = minetest.env:get_meta(pos)
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if meta:get_string("owner") == clicker:get_player_name() then
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-- set owner
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ufos.next_owner = meta:get_string("owner")
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-- restore the fuel inside the node
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ufos.set_fuel(ufos.ufo,meta:get_int("fuel"))
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-- add the entity
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e = minetest.env:add_entity(pos, "ufos:ufo")
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-- remove the node
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minetest.env:remove_node(pos)
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-- reset owner for next ufo
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ufos.next_owner = ""
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end
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end,
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})
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dofile(minetest.get_modpath("ufos").."/furnace.lua")
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