89 lines
2.6 KiB
Lua
Executable File
89 lines
2.6 KiB
Lua
Executable File
-- a Mod for keeping track of a player's current
|
|
-- physics properties and allows building layers of
|
|
-- physics across multiple mods
|
|
-- physics persist across sessions and server shutdowns
|
|
|
|
physics = {}
|
|
local physics_file = minetest.get_worldpath() .. "/physics"
|
|
physics.player_physics = default.deserialize_from_file(physics_file)
|
|
physics.player_frozen = {}
|
|
function physics.adjust_physics(player,_physics)
|
|
local name = player:get_player_name()
|
|
for p,v in pairs(_physics) do
|
|
physics.player_physics[name][p] = physics.player_physics[name][p] + v
|
|
end
|
|
physics.apply(player)
|
|
end
|
|
|
|
function physics.apply(player)
|
|
if player ~= nil then
|
|
local name = player:get_player_name()
|
|
if physics.player_frozen[name] ~= true then
|
|
player:set_physics_override(physics.player_physics[name])
|
|
end
|
|
end
|
|
end
|
|
|
|
function physics.freeze_player(name)
|
|
local player = minetest.get_player_by_name(name)
|
|
physics.player_frozen[name] = true
|
|
player:set_physics_override({speed=0,jump=0})
|
|
end
|
|
|
|
function physics.unfreeze_player(name)
|
|
local player = minetest.get_player_by_name(name)
|
|
physics.player_frozen[name] = false
|
|
physics.apply(minetest.get_player_by_name(name))
|
|
end
|
|
|
|
function physics.remove_item_physics(player,item)
|
|
if minetest.registered_items[item] ~= nil then
|
|
if minetest.registered_items[item].physics ~= nil then
|
|
local physics_adj = {}
|
|
for k,v in pairs(minetest.registered_items[item].physics) do
|
|
physics_adj[k] = v * -1
|
|
end
|
|
physics.adjust_physics(player,physics_adj)
|
|
end
|
|
end
|
|
end
|
|
|
|
function physics.get_player_physics(name)
|
|
return physics.player_physics[name]
|
|
end
|
|
|
|
function physics.apply_item_physics(player,item)
|
|
if minetest.registered_items[item] ~= nil then
|
|
if minetest.registered_items[item].physics ~= nil then
|
|
physics.adjust_physics(player,minetest.registered_items[item].physics)
|
|
end
|
|
end
|
|
end
|
|
|
|
function physics.init_player(player)
|
|
-- reset physics to default when the player joins
|
|
local name = player:get_player_name()
|
|
if physics.player_physics[name] == nil then
|
|
physics.player_physics[name] = {speed = 1, jump = 1, gravity = 1}
|
|
end
|
|
minetest.after(10,physics.apply,player)
|
|
end
|
|
|
|
function physics.apply_all()
|
|
-- reapply physics to everybody just in case we've missed it in a spot, or if it didn't take at the begining
|
|
for _,p in pairs(minetest.get_connected_players()) do
|
|
physics.apply(p)
|
|
end
|
|
default.serialize_to_file(physics_file,physics.player_physics)
|
|
minetest.after(30,physics.apply_all)
|
|
end
|
|
|
|
minetest.register_on_joinplayer(physics.init_player)
|
|
|
|
minetest.register_on_shutdown(function ()
|
|
default.serialize_to_file(physics_file,physics.player_physics)
|
|
end)
|
|
|
|
minetest.after(30,physics.apply_all)
|
|
|