fix movement 'bouncing' on servers
Pilcrow182
parent
f35a63d525
commit
4b8a75ca93
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@ -18,8 +18,6 @@ version 0.9,
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This mod adds a flying saucer vehicle to the Minetest game, using the same basic concept as the [cars mod](https://forum.minetest.net/viewtopic.php?t=13988) by cheapie: it changes the player character's model and movement ability/controls rather than spawning a new entity and attaching the player to it. Theoretically, this means less lag. This mod was originally intended to become a drop-in replacement for the [helicopter mod](https://forum.minetest.net/viewtopic.php?f=11&t=6183) by Pavel_S, but was later changed to a flying saucer. The 3D model was taken from Zeg9's [UFOs mod](https://forum.minetest.net/viewtopic.php?f=11&t=4086), though none of our code or textures are shared, and our controls are nothing alike.
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Please report any issues at the [Flying Saucer GitHub page](https://github.com/Pilcrow182/flying_saucer) or the [Release thread on the Minetest forums](https://forum.minetest.net/viewtopic.php?f=9&t=21330).
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-------------------------------------------------------------------------------
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### Controls:
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@ -36,10 +34,12 @@ None (though the [crafting recipe](https://raw.githubusercontent.com/Pilcrow182/
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### Known bugs:
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Holding shift cuts the player's horizontal movement to 1/3 speed. This is a side-effect of using the player entity's controls, since shift is normally used for 'sneaking' (which is *supposed* to slow the player's movement). If anyone can figure out how to disable this feature during saucer mode, I'd be happy to hear it.
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Holding shift cuts the player's horizontal movement to 1/3 speed. This is a side-effect of using the player entity's controls, since shift is normally used for 'sneaking' (which is *supposed* to slow the player's movement). If anyone can figure out how to disable this feature during saucer mode, I'd be happy to hear it.
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Unlike horizontal movement (which is managed client-side), the vertical movement is dependent on server cycles. This means if there is anything causing excessive lag, it may negatively affect the user's ability to move up/down (or to *stop* moving, regardless of the `flying_saucer_passive_stop` setting).
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Please report any other issues at the [Flying Saucer GitHub page](https://github.com/Pilcrow182/flying_saucer) or the [Release thread on the Minetest forums](https://forum.minetest.net/viewtopic.php?f=9&t=21330).
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-------------------------------------------------------------------------------
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### Credits:
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38
init.lua
38
init.lua
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@ -20,7 +20,10 @@
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flying_saucer = {}
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flying_saucer.speed = minetest.settings:get("flying_saucer_speed") or 8
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flying_saucer.delay = tonumber(minetest.settings:get("flying_saucer_delay") or 0.2)
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minetest.settings:set("flying_saucer_delay", flying_saucer.delay)
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flying_saucer.speed = tonumber(minetest.settings:get("flying_saucer_speed") or 8)
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minetest.settings:set("flying_saucer_speed", flying_saucer.speed)
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flying_saucer.passive_stop = minetest.settings:get_bool("flying_saucer_passive_stop", false)
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@ -28,9 +31,12 @@ minetest.settings:set_bool("flying_saucer_passive_stop", flying_saucer.passive_s
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flying_saucer.storage = {}
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local DEBUG = false
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local debug_msg = function(message)
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minetest.chat_send_all(message)
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minetest.log("action", message)
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if DEBUG then
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minetest.chat_send_all(message)
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minetest.log("action", message)
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end
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end
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local activate_flying_saucer = function(player, name)
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@ -74,33 +80,45 @@ minetest.register_entity("flying_saucer:stopper_entity", {
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local timer = 0
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minetest.register_globalstep(function(dtime)
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local delay = flying_saucer.delay
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timer = timer + dtime
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if timer >= 0.2 then
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if timer >= delay then
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timer = 0
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for name,_ in pairs(flying_saucer.storage) do
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local player = minetest.get_player_by_name(name)
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if player then
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local saucer_speed = flying_saucer.speed
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local ctrl = player:get_player_control()
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local velocity = player:get_player_velocity()
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local saucer_speed = tonumber(flying_saucer.speed)
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local physics = {speed = saucer_speed/4, jump = 0, gravity = 0, sneak = false, sneak_glitch = false}
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if (ctrl.jump or (flying_saucer.storage[name].state == "ascending" and velocity.y ~= 0)) and not (ctrl.sneak or ctrl.aux1) then
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if (ctrl.jump or (flying_saucer.storage[name].state == "ascending" and velocity.y > 0 and not flying_saucer.passive_stop)) and not (ctrl.sneak or ctrl.aux1) then
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flying_saucer.storage[name].state = "ascending"
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physics.gravity = -(saucer_speed-velocity.y)/saucer_speed
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physics.gravity = -(math.min(saucer_speed, math.max(0, saucer_speed-velocity.y))/saucer_speed)*(1-math.min(0.7, math.max(0, delay)))
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debug_msg("boosting "..name.."'s upward speed by "..physics.gravity)
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player:set_physics_override(physics)
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elseif (ctrl.sneak or (flying_saucer.storage[name].state == "descending" and velocity.y ~= 0)) and not (ctrl.jump or ctrl.aux1) then
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elseif (ctrl.sneak or (flying_saucer.storage[name].state == "descending" and velocity.y < 0 and not flying_saucer.passive_stop)) and not (ctrl.jump or ctrl.aux1) then
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flying_saucer.storage[name].state = "descending"
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physics.gravity = (saucer_speed+velocity.y)/saucer_speed
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physics.gravity = (math.min(saucer_speed, math.max(0, saucer_speed+velocity.y))/saucer_speed)*(1-math.min(0.7, math.max(0, delay)))
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debug_msg("boosting "..name.."'s downward speed by "..physics.gravity)
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player:set_physics_override(physics)
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elseif ((ctrl.aux1 or flying_saucer.passive_stop or velocity.y == 0) and flying_saucer.storage[name].state ~= "idle") or not flying_saucer.storage[name].state then
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debug_msg("stopping player "..name)
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stopping_player = name
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minetest.add_entity(player:get_pos(), "flying_saucer:stopper_entity")
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player:set_physics_override(physics)
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elseif velocity.y > math.max(saucer_speed, 14) or velocity.y < -math.max(saucer_speed, 14) then
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minetest.chat_send_player(name, "Flying Saucer to "..name..": unsafe speeds detected; halting vertical movement.")
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stopping_player = name
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minetest.add_entity(player:get_pos(), "flying_saucer:stopper_entity")
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player:set_physics_override(physics)
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end
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local state = flying_saucer.storage[name].state or "idle"
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-- debug_msg("player '"..name.."' is "..state.." (physics="..minetest.pos_to_string({x=physics.speed, y=physics.jump,z=physics.gravity})..", velocity="..minetest.pos_to_string(velocity)..")...")
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debug_msg("player '"..name.."' is "..state.." (physics="..minetest.pos_to_string({x=physics.speed, y=physics.jump,z=physics.gravity})..", velocity="..minetest.pos_to_string(velocity)..")...")
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end
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end
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end
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