add miniufo & some fix

depends.txt

@@ -1,3 +1,4 @@
 default
 technic
-mobs
+mobs
+xdecor

init.lua

@@ -4,6 +4,7 @@ dofile(modpath.."/nodes.lua")
 dofile(modpath.."/invader.lua")
 dofile(modpath.."/engine.lua")
 dofile(modpath.."/tools.lua")
+dofile(modpath.."/miniufo.lua")
 
 local _ = {
   name = "air",

invader.lua

@@ -1,7 +1,7 @@
 mobs:spawn({name = "ufowreck:floob",
        nodes = {"ufowreck:floob_spawner"},
        min_height = 0,
-       active_object_count = 1,
+       active_object_count = 2,
        chance = 1,
        interval = 1,
 })
@@ -81,3 +81,29 @@ mobs:register_arrow("ufowreck:rayray", {
 })
 
 mobs:register_egg("ufowreck:floob", "floob", "amcaw_a_floob_inv.png", 0)
+
+minetest.register_node("ufowreck:floob_spawner", {
+    description = "Alien Metal Block",
+    tiles = {"scifi_nodes_lighttop.png"},
+	drawtype = "nodebox",
+	paramtype2 = "facedir",
+	paramtype = "light",
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky = 2, not_in_creative_inventory = 1},
+	drop = {
+		items = {
+			{items = {'ufowreck:alien_metal'}},
+		}
+	},
+	sounds = default.node_sound_metal_defaults(),
+})
+
+minetest.register_craft({
+	output = "ufowreck:floob_spawner",
+	recipe = {
+	{"ufowreck:alien_metal", "", ""},
+	{"", "", ""},
+	{"", "", "ufowreck:eye"}
+  }
+})

miniufo.lua

@@ -0,0 +1,225 @@
+ufos = {}
+
+local floor_pos = function(pos)
+	return {x=math.floor(pos.x),y=math.floor(pos.y),z=math.floor(pos.z)}
+end
+
+local UFO_SPEED = 1
+local UFO_TURN_SPEED = 2
+local UFO_MAX_SPEED = 10
+local UFO_FUEL_USE = .01
+
+fuel_from_wear = function(wear)
+	local fuel
+	if wear == 0 then
+		fuel = 0
+	else
+		fuel = (65535-(wear-1))*100/65535
+	end
+	return fuel
+end
+
+wear_from_fuel = function(fuel)
+	local wear = (100-(fuel))*65535/100+1
+	if wear > 65535 then wear = 0 end
+	return wear
+end
+
+get_fuel = function(self)
+	return self.fuel
+end
+
+set_fuel = function(self,fuel,object)
+	self.fuel = fuel
+end
+
+ufo_from_item = function(itemstack,placer,pointed_thing)
+	-- restore the fuel inside the item
+	local wear = itemstack:get_wear()
+	set_fuel(miniufo,fuel_from_wear(wear))
+	-- add the entity
+	e = minetest.add_entity(pointed_thing.above, "ufowreck:miniufo")
+	-- set high hp to not destroy it with guns etc
+	e:set_hp(1000000)
+	-- remove the item
+	itemstack:take_item()
+end
+
+miniufo = {
+	physical = true,
+	collisionbox = {-1.5,0,-1.5, 1.5,1.2,1.5},
+	visual = "mesh",
+	mesh = "ufo.x",
+	textures = {"ufo_0.png"},
+	groups = {immortal=1},
+	glow = 5,
+	driver = nil,
+	v = 0,
+	fuel = 0,
+	fueli = 0
+}
+
+function miniufo.on_rightclick(self, clicker)
+	if not clicker or not clicker:is_player() then
+		return
+	end
+	local name = clicker:get_player_name()
+	if self.driver and name == self.driver then
+		self.driver = nil
+		self.auto = false
+		clicker:set_detach()
+		player_api.player_attached[name] = false
+		player_api.set_animation(clicker, "stand" , 30)
+		local pos = clicker:get_pos()
+		pos = {x = pos.x, y = pos.y + 0.2, z = pos.z}
+		minetest.after(0.1, function()
+			clicker:set_pos(pos)
+		end)
+	elseif not self.driver then
+		local attach = clicker:get_attach()
+		if attach and attach:get_luaentity() then
+			local luaentity = attach:get_luaentity()
+			if luaentity.driver then
+				luaentity.driver = nil
+			end
+			clicker:set_detach()
+		end
+		self.driver = name
+		clicker:set_attach(self.object, "", {x=0,y=1.0,z=0}, {x=0,y=0,z=0})
+		player_api.player_attached[name] = true
+--		minetest.after(0.2, function()
+--			player_api.set_animation(clicker, "sit" , 30)
+--		end)
+		clicker:set_look_horizontal(self.object:get_yaw())
+	end
+end
+
+function miniufo:on_activate (staticdata, dtime_s)
+	local data = staticdata:split(';')
+	if data and data[1] and data[2] then
+--		self.owner_name = data[1]
+		self.name = data[1]
+		self.fuel = tonumber(data[2])
+	end
+	self.object:set_armor_groups({immortal=1})
+end
+
+function miniufo:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
+	if puncher and puncher:is_player() then
+		local inv = puncher:get_inventory()
+		local wear = wear_from_fuel(get_fuel(self))
+		local leftover = inv:add_item("main", {name="ufowreck:miniufo", wear = wear})
+		if not leftover:is_empty() then
+			minetest.add_item(self.object:get_pos(), leftover)
+		end
+		self.object:remove()
+	end
+end
+
+function miniufo:on_step (dtime)
+	local fuel = get_fuel(self)
+	if self.driver then
+		local driver_objref = minetest.get_player_by_name(self.driver)
+		if driver_objref then
+			local ctrl = driver_objref:get_player_control()
+--		local ctrl = self.driver:get_player_control()
+		local vel = self.object:get_velocity()
+		if fuel == nil then fuel = 0 end
+		if fuel > 0 and ctrl.up then
+			vel.x = vel.x + math.cos(self.object:getyaw()+math.pi/2)*UFO_SPEED
+			vel.z = vel.z + math.sin(self.object:getyaw()+math.pi/2)*UFO_SPEED
+			fuel = fuel - UFO_FUEL_USE
+		else
+			vel.x = vel.x*.99
+			vel.z = vel.z*.99
+		end
+		if ctrl.down then
+			vel.x = vel.x*.9
+			vel.z = vel.z*.9
+		end
+		if fuel > 0 and ctrl.jump then
+			vel.y = vel.y+UFO_SPEED
+			fuel = fuel - UFO_FUEL_USE
+		elseif fuel > 0 and ctrl.sneak then
+			vel.y = vel.y-UFO_SPEED
+			fuel = fuel - UFO_FUEL_USE
+		else
+			vel.y = vel.y*.9
+		end
+		if vel.x > UFO_MAX_SPEED then vel.x = UFO_MAX_SPEED end
+		if vel.x < -UFO_MAX_SPEED then vel.x = -UFO_MAX_SPEED end
+		if vel.y > UFO_MAX_SPEED then vel.y = UFO_MAX_SPEED end
+		if vel.y < -UFO_MAX_SPEED then vel.y = -UFO_MAX_SPEED end
+		if vel.z > UFO_MAX_SPEED then vel.z = UFO_MAX_SPEED end
+		if vel.z < -UFO_MAX_SPEED then vel.z = -UFO_MAX_SPEED end
+		self.object:set_velocity(vel)
+		if ctrl.left then
+			self.object:setyaw(self.object:getyaw()+math.pi/120*UFO_TURN_SPEED)
+		end
+		if ctrl.right then
+			self.object:setyaw(self.object:getyaw()-math.pi/120*UFO_TURN_SPEED)
+		end
+		end
+	else
+	        self.object:set_velocity({x=0, y=0, z=0})
+	end
+	
+	if fuel < 0 then fuel = 0 end
+	if fuel > 100 then fuel = 100 end
+	if self.fueli ~= math.floor(fuel*8/100) then
+		self.fueli = math.floor(fuel*8/100)
+		print(self.fueli)
+		self.textures = {"ufo_"..self.fueli..".png"}
+		self.object:set_properties(self)
+	end
+	set_fuel(self,fuel)
+end
+
+function miniufo:get_staticdata()
+	return self.name..";"..tostring(self.fuel)
+end
+
+minetest.register_entity("ufowreck:miniufo", miniufo)
+
+
+--register tool (with/without technic mod)
+local tooldef = {
+	description = "miniufo",
+	inventory_image = "ufos_inventory.png",
+	wield_image = "ufos_inventory.png",
+	tool_capabilities = {load=0,max_drop_level=0, groupcaps={fleshy={times={}, uses=100, maxlevel=0}}},
+	
+	on_place = function(itemstack, placer, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			return
+		end
+		
+		-- Call on_rightclick if the pointed node defines it
+		if placer and not placer:get_player_control().sneak then
+			local n = minetest.get_node(pointed_thing.under)
+			local nn = n.name
+			if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].on_rightclick then
+				return minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer, itemstack) or itemstack
+			end
+		end
+		
+		ufo_from_item(itemstack,placer,pointed_thing)
+		return itemstack
+	end,
+}
+
+if technic then
+        tooldef.on_refill = technic.refill_RE_charge
+        tooldef.wear_represents = "technic_RE_charge"
+        technic.register_power_tool("ufowreck:miniufo", 2000000)
+end
+minetest.register_tool("ufowreck:miniufo", tooldef)
+
+minetest.register_craft( {
+	output = 'ufowreck:miniufo',
+	recipe = {
+		{ "ufowreck:alien_control", "xdecor:cushion", "ufowreck:alien_metal"},
+		{ "ufowreck:alien_metal", "ufowreck:alien_engine", "ufowreck:alien_metal"},
+		{ "default:meselamp", "tubelib:lamp", "default:meselamp"},
+	},
+})

nodes.lua

@@ -488,6 +488,15 @@ minetest.register_node("ufowreck:alien_egg", {
 	}
 })
 
+if minetest.get_modpath("mobs_spider") then
+mobs:spawn({name = "mobs_spider:spider",
+       nodes = {"ufowreck:alien_egg"},
+       active_object_count = 10,
+       chance = 10,
+       interval = 30,
+})
+end
+
 minetest.register_node("ufowreck:eye_tree", {
 	description = "Alien Eye Tree",
 	tiles = {{
@@ -605,23 +614,6 @@ minetest.register_node("ufowreck:glow_plant", {
 	light_source = 15,
 })
 
-minetest.register_node("ufowreck:floob_spawner", {
-    description = "Alien Metal Block",
-    tiles = {"scifi_nodes_lighttop.png"},
-	drawtype = "nodebox",
-	paramtype2 = "facedir",
-	paramtype = "light",
-	sunlight_propagates = true,
-	is_ground_content = false,
-	groups = {cracky = 2},
-	drop = {
-		items = {
-			{items = {'ufowreck:alien_metal'}},
-		}
-	},
-	sounds = default.node_sound_metal_defaults(),
-})
-
 minetest.register_node("ufowreck:pad", {
 	description = "Alien Teleport",
 	tiles = {

tools.lua

@@ -135,6 +135,16 @@ minetest.register_tool("ufowreck:heater", {
 			pos=pos,
 			max_hear_distance=20,
 			loop=false})
+	elseif node.name == "default:sand" 
+	then
+		node.name = "default:glass"
+		minetest.swap_node(pos, node)
+		minetest.sound_play({
+			name="blaster_long"},{
+			gain=1,
+			pos=pos,
+			max_hear_distance=20,
+			loop=false})
 	elseif node.name == "default:dirt_with_snow" 
 		or node.name == "default:dirt_with_coniferous_litter"
 		or node.name == "default:dirt_with_dry_grass"