Allow hovercraft to be ownable & unusable by non-owners

hover.lua

@@ -1,4 +1,3 @@
-hover = {}
 
 function hover:register_hovercraft(name, def)
 	minetest.register_entity(name, {
@@ -22,6 +21,9 @@ function hover:register_hovercraft(name, def)
 		on_activate = function(self, staticdata, dtime_s)
 			self.object:set_armor_groups({immortal=1})
 			self.object:set_animation({x=0, y=24}, 30)
+
+			local sdata = core.deserialize(staticdata)
+			self.owner = sdata.owner
 		end,
 		on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, dir)
 			if not puncher or not puncher:is_player() then return end
@@ -31,6 +33,11 @@ function hover:register_hovercraft(name, def)
 			end
 
 			local pname = puncher:get_player_name()
+			if hover.ownable and self.owner and pname ~= self.owner then
+				core.chat_send_player(pname, "You cannot take " .. self.owner .. "'s hovercraft.")
+				return
+			end
+
 			local stack = ItemStack(name)
 			local pinv = puncher:get_inventory()
 			if not pinv:room_for_item("main", stack) then
@@ -48,6 +55,7 @@ function hover:register_hovercraft(name, def)
 			if not clicker or not clicker:is_player() then
 				return
 			end
+
 			local pos = self.object:get_pos()
 			if self.player and clicker == self.player then
 				if self.sound then
@@ -61,6 +69,12 @@ function hover:register_hovercraft(name, def)
 				clicker:set_animation({x=0, y=0})
 				clicker:set_detach()
 			elseif not self.player then
+				local pname = clicker:get_player_name()
+				if hover.ownable and self.owner and pname ~= self.owner then
+					core.chat_send_player(pname, "You cannot ride " .. self.owner .. "'s hovercraft.")
+					return
+				end
+
 				self.player = clicker
 
 				local attach_y = 16.5
@@ -176,7 +190,16 @@ function hover:register_hovercraft(name, def)
 			end
 			self.object:set_velocity(self.velocity)
 		end,
+
+		get_staticdata = function(self)
+			local sdata = {
+				owner = self.owner,
+			}
+
+			return core.serialize(sdata)
+		end,
 	})
+
 	minetest.register_craftitem(name, {
 		description = def.description,
 		inventory_image = def.inventory_image,
@@ -186,7 +209,7 @@ function hover:register_hovercraft(name, def)
 				return
 			end
 			pointed_thing.under.y = pointed_thing.under.y + 0.5
-			minetest.add_entity(pointed_thing.under, name)
+			minetest.add_entity(pointed_thing.under, name, core.serialize({owner=placer:get_player_name()}))
 			itemstack:take_item()
 			return itemstack
 		end,

init.lua

@@ -1,4 +1,10 @@
-dofile(minetest.get_modpath("hovercraft").."/hover.lua")
+
+hover = {}
+hover.modname = core.get_current_modname()
+hover.modpath = core.get_modpath(hover.modname)
+
+dofile(hover.modpath .. "/settings.lua")
+dofile(hover.modpath .. "/hover.lua")
 
 hover:register_hovercraft("hovercraft:hover_red" ,{
 	description = "Red Hovercraft",

settings.lua

@@ -0,0 +1,2 @@
+
+hover.ownable = core.settings:get_bool("mount_ownable", true)

settingtypes.txt

@@ -0,0 +1,3 @@
+
+# Hovercrafts can only be used by owners.
+mount_ownable (Ownable hovercrafts) bool true