102 lines
2.8 KiB
Lua
102 lines
2.8 KiB
Lua
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--localize things for better performance
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local serialize = minetest.serialize
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local add_entity = minetest.add_entity
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local after = minetest.after
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--for storing which players left while in a balloon
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local storage = minetest.get_mod_storage()
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local absent_ballooners = minetest.deserialize(storage:get_string("absent_ballooners")) or {}
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--putting leaving people into storage
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local leave_while_ballooning = function(player)
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local parent = player:get_attach()
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if parent and not parent:is_player()
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then
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local balloon_type = parent:get_luaentity().balloon_type
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if balloon_type
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then
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--remove() only works if someone else is in the area,
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--hence the need for mark_for_deletion
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parent:remove()
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absent_ballooners[player:get_player_name()] = balloon_type
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end
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end
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end
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--same as on_leave but for all players at once
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local on_shutdown = function()
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local connected_players = minetest.get_connected_players()
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for i, p in ipairs(connected_players)
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do
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leave_while_ballooning(p)
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end
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storage:set_string("absent_ballooners", serialize(absent_ballooners))
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end
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--putting leaving people into storage and saving storage
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local on_leave = function(player)
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leave_while_ballooning(player)
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storage:set_string("absent_ballooners", serialize(absent_ballooners))
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end
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minetest.register_on_leaveplayer(on_leave)
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minetest.register_on_shutdown(on_shutdown)
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--checking if player who joined was ballooning when they left
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--if so spawn a new balloon and set them as attachment
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local on_join = function(player)
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if player
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then
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local name = player:get_player_name()
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if absent_ballooners[name]
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then
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local pos = player:get_pos()
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--for compatibility with version 1.1 of the mod
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if absent_ballooners[name] == true
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then
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absent_ballooners[name] = "hot_air_balloons:balloon"
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end
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--minetest doesn't seem to like add_entity on init so a minetest.after is used
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--player is set as pilot in on_activate
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after(2,
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function()
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--concatenating "P" with name signals that player should be set as attach
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add_entity(pos, absent_ballooners[name], "P" .. name)
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end)
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end
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end
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end
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minetest.register_on_joinplayer(on_join)
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--called in on_activate if balloon was spawned to rescue an absent ballooner
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local set_rescue = function(self, playername)
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local player = minetest.get_player_by_name(playername)
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self.pilot = playername
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if not player --player logged off right away
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then
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self.object:remove()
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return
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end
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player:set_attach(self.object, "",
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{x = 0, y = 1, z = 0}, {x = 0, y = 0, z = 0})
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absent_ballooners[playername] = nil
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end
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--set as get_staticdata
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local mark_for_deletion = function(self)
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if self.pilot
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then
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--pilot logged off while ballooning, deleting balloon on next activation
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return "R"
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else
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--normally save and load balloon
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return ""
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end
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end
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return set_rescue, mark_for_deletion
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