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Alexsandro Percy 2022-04-30 20:38:15 -03:00
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.luacheckrc Executable file
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unused_args = false
allow_defined_top = true
globals = {
"minetest",
"mobkit",
"core",
"player_api",
"player_monoids",
"math.sign",
}
read_globals = {
string = {fields = {"split"}},
table = {fields = {"copy", "getn"}},
-- Builtin
"vector", "ItemStack",
"dump", "DIR_DELIM", "VoxelArea", "Settings",
-- MTG
"default", "sfinv", "creative",
}
ignore = {"611"}

810
LICENSE Normal file → Executable file
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@ -1,661 +1,167 @@
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License will continue to apply to the part which is the covered work,
but the work with which it is combined will remain governed by version
3 of the GNU General Public License.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU Affero General Public License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU Affero General Library as you received it specifies that a certain numbered version
Public License "or any later version" applies to it, you have the of the GNU Lesser General Public License "or any later version"
option of following the terms and conditions either of that numbered applies to it, you have the option of following the terms and
version or of any later version published by the Free Software conditions either of that published version or of any later version
Foundation. If the Program does not specify a version number of the published by the Free Software Foundation. If the Library as you
GNU Affero General Public License, you may choose any version ever published received it does not specify a version number of the GNU Lesser
by the Free Software Foundation. General Public License, you may choose any version of the GNU Lesser
General Public License ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which future If the Library as you received it specifies that a proxy can decide
versions of the GNU Affero General Public License can be used, that proxy's whether future versions of the GNU Lesser General Public License shall
public statement of acceptance of a version permanently authorizes you apply, that proxy's public statement of acceptance of any version is
to choose that version for the Program. permanent authorization for you to choose that version for the
Library.
Later license versions may give you additional or different Copyright Alexsandro Percy - 2021
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
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to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
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Also add information on how to contact you by electronic and paper mail.
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You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU AGPL, see
<https://www.gnu.org/licenses/>.

71
README.md Normal file → Executable file
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@ -1 +1,70 @@
# pa28 Minetest 5.4 mod: Super Cub
========================================
The Super Cub
Adapted from Super Duck, this is a pure lithoplane, based on Super Cub airplane.
In order to fly, it is necessary to first supply the airplane with biofuel.
Then with a bottle or gallon selected, punch it against the airplane.
You can use 10 bottles them to fill the tank. See the fuel gauge on the airplane
panel (right below, with a green F). To embark, click with the right button.
While the machine is off, it is possible to move it using the sneak and jump keys (shift an space).
W ans S controls the pitch (elevator).
Right and Left (A and D) controls the yaw (rudder and ailerons).
Then to fly, start the engine with the special key E. Press jump (space)
to increase the engine power (check the panel for the indicator marked with a yellow P).
Adjust to the maximum. Pull the elevator control (S) when it have the speed to lift.
During the cruise flight, it is ideal to keep the power setting below the red range,
to control fuel consumption. Use the climb indicator to stabilize altitude,
as at high altitudes you lose sustentation and you spend more fuel.
For landing, just lower the power and stabilize the airplane. Pay attention at air speed
indicator, keeping it at green range, otherwise you will stall.
Care must be taken with impacts, as it causes damage to the aircraft and the pilot,
so training landings is essential.
To brake the aircraft, use the sneak (shift) key until it comes to a complete stop.
Do not stop the engine before this, or it will reverse when it stops
To repair damages, you can use the repair tool. It subtracts steel ingots to increase
airplane hp.
It can be painted using dye of any color you want, you must punch the airplane with the dye.
Biofuel mod can be found here: https://github.com/APercy/minetest_biofuel
The limitations: because the lack in functions to roll the camera, and the rudder acting together the ailerons,
the airplane is unable to do a tuneau, barrel roll, loopings and any kind of aerobatics maneuvers.
It was limited at the source. You can modify it by your own, just making the roll movement cumulative and increasing the speeds
**Controls overview:**
* Right click: enter in/get off plane
* Left click (with biofuel): add fuel to plane
* Right click and Sneak: enter in flight instructor mode (limited vision, so use debug info)
* E: Start engine
* Jump: Increase power, forward on ground
* Sneak: Decrease power, brake on ground
* Backward: go up flying - nose up
* Forward: go down flying - nose down
* Left/right: Turn to left/right, work on and out ground.
* Left and Right together: center all commands
* Sneak and Jump together: give/take the controls to/from pilot student
* Up and Down together: enable/disable HUD
**Chat Commands: **
/cub_eject - ejects from the vehicle
/cub_manual - shows the manual
-----------------------
License of source code:
LGPL v3 (see file LICENSE)
License of media (textures and sounds):
CC0

270
control.lua Executable file
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--global constants
pa28.vector_up = vector.new(0, 1, 0)
pa28.ideal_step = 0.02
pa28.rudder_limit = 30
pa28.elevator_limit = 40
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "utilities.lua")
function pa28.powerAdjust(self,dtime,factor,dir,max_power)
local max = max_power or 100
local add_factor = factor/2
add_factor = add_factor * (dtime/pa28.ideal_step) --adjusting the command speed by dtime
local power_index = self._power_lever
if dir == 1 then
if self._power_lever < max then
self._power_lever = self._power_lever + add_factor
end
if self._power_lever > max then
self._power_lever = max
end
end
if dir == -1 then
if self._power_lever > 0 then
self._power_lever = self._power_lever - add_factor
if self._power_lever < 0 then self._power_lever = 0 end
end
if self._power_lever <= 0 then
self._power_lever = 0
end
end
end
function pa28.control(self, dtime, hull_direction, longit_speed, longit_drag,
later_speed, later_drag, accel, player, is_flying)
--if self.driver_name == nil then return end
local retval_accel = accel
local stop = false
local ctrl = nil
-- player control
if player then
ctrl = player:get_player_control()
--engine and power control
--[[if ctrl.aux1 and self._last_time_command > 0.5 then
self._last_time_command = 0
if self._engine_running then
self._engine_running = false
self._autopilot = false
self._power_lever = 0 --zero power
self._last_applied_power = 0 --zero engine
elseif self._engine_running == false and self._energy > 0 then
self._engine_running = true
self._last_applied_power = -1 --send signal to start
end
end]]--
self._acceleration = 0
if self._engine_running then
--engine acceleration calc
local engineacc = (self._power_lever * pa28.max_engine_acc) / 100;
local factor = 1
--increase power lever
if ctrl.jump then
pa28.powerAdjust(self, dtime, factor, 1)
end
--decrease power lever
if ctrl.sneak then
pa28.powerAdjust(self, dtime, factor, -1)
if self._power_lever <= 0 and is_flying == false then
--break
if longit_speed > 0 then
engineacc = -1
if (longit_speed + engineacc) < 0 then
engineacc = longit_speed * -1
end
end
if longit_speed < 0 then
engineacc = 1
if (longit_speed + engineacc) > 0 then
engineacc = longit_speed * -1
end
end
if abs(longit_speed) < 0.2 then
stop = true
end
end
end
--do not exceed
local max_speed = 6
if longit_speed > max_speed then
engineacc = engineacc - (longit_speed-max_speed)
if engineacc < 0 then engineacc = 0 end
end
self._acceleration = engineacc
else
local paddleacc = 0
if longit_speed < 1.0 then
if ctrl.jump then paddleacc = 0.5 end
end
if longit_speed > -1.0 then
if ctrl.sneak then paddleacc = -0.5 end
end
self._acceleration = paddleacc
end
local hull_acc = vector.multiply(hull_direction,self._acceleration)
retval_accel=vector.add(retval_accel,hull_acc)
--pitch
local pitch_cmd = 0
if ctrl.up then pitch_cmd = 1 elseif ctrl.down then pitch_cmd = -1 end
pa28.set_pitch(self, pitch_cmd, dtime)
-- yaw
local yaw_cmd = 0
if ctrl.right then yaw_cmd = 1 elseif ctrl.left then yaw_cmd = -1 end
pa28.set_yaw(self, yaw_cmd, dtime)
--I'm desperate, center all!
if ctrl.right and ctrl.left then
self._elevator_angle = 0
self._rudder_angle = 0
end
----------------------------------
-- flap operation
----------------------------------
if ctrl.aux1 and ctrl.sneak and self._last_time_command >= 0.3 then
self._last_time_command = 0
pa28.flap_operate(self, player)
end
end
if longit_speed > 0 then
if ctrl then
if ctrl.right or ctrl.left then
else
pa28.rudder_auto_correction(self, longit_speed, dtime)
end
else
pa28.rudder_auto_correction(self, longit_speed, dtime)
end
pa28.elevator_auto_correction(self, longit_speed, dtime)
end
return retval_accel, stop
end
function pa28.set_pitch(self, dir, dtime)
local pitch_factor = 6
if dir == -1 then
--minetest.chat_send_all("cabrando")
if self._elevator_angle > 0 then pitch_factor = pitch_factor * 2 end
self._elevator_angle = math.max(self._elevator_angle-pitch_factor*dtime,-pa28.elevator_limit)
elseif dir == 1 then
--minetest.chat_send_all("picando")
if self._angle_of_attack < 0 then pitch_factor = 1 end --lets reduce the command power to avoid accidents
self._elevator_angle = math.min(self._elevator_angle+pitch_factor*dtime,pa28.elevator_limit)
end
end
function pa28.set_yaw(self, dir, dtime)
local yaw_factor = 25
if dir == 1 then
self._rudder_angle = math.max(self._rudder_angle-(yaw_factor*dtime),-pa28.rudder_limit)
elseif dir == -1 then
self._rudder_angle = math.min(self._rudder_angle+(yaw_factor*dtime),pa28.rudder_limit)
end
end
function pa28.rudder_auto_correction(self, longit_speed, dtime)
local factor = 1
if self._rudder_angle > 0 then factor = -1 end
local correction = (pa28.rudder_limit*(longit_speed/1000)) * factor * (dtime/pa28.ideal_step)
local before_correction = self._rudder_angle
local new_rudder_angle = self._rudder_angle + correction
if math.sign(before_correction) ~= math.sign(new_rudder_angle) then
self._rudder_angle = 0
else
self._rudder_angle = new_rudder_angle
end
end
function pa28.elevator_auto_correction(self, longit_speed, dtime)
local factor = 1
--if self._elevator_angle > -1.5 then factor = -1 end --here is the "compensator" adjusto to keep it stable
if self._elevator_angle > 0 then factor = -1 end
local correction = (pa28.elevator_limit*(longit_speed/5000)) * factor * (dtime/pa28.ideal_step)
local before_correction = self._elevator_angle
local new_elevator_angle = self._elevator_angle + correction
if math.sign(before_correction) ~= math.sign(new_elevator_angle) then
self._elevator_angle = 0
else
self._elevator_angle = new_elevator_angle
end
end
--obsolete, will be removed
function getAdjustFactor(curr_y, desired_y)
local max_difference = 0.1
local adjust_factor = 0.5
local difference = math.abs(curr_y - desired_y)
if difference > max_difference then difference = max_difference end
return (difference * adjust_factor) / max_difference
end
function pa28.autopilot(self, dtime, hull_direction, longit_speed, accel, curr_pos)
local retval_accel = accel
local max_autopilot_power = 85
local max_attack_angle = 1.8
--climb
local velocity = self.object:get_velocity()
local climb_rate = velocity.y * 1.5
if climb_rate > 5 then climb_rate = 5 end
if climb_rate < -5 then
climb_rate = -5
end
self._acceleration = 0
if self._engine_running then
--engine acceleration calc
local engineacc = (self._power_lever * pa28.max_engine_acc) / 100;
--self.engine:set_animation_frame_speed(60 + self._power_lever)
local factor = math.abs(climb_rate * 0.1) --getAdjustFactor(curr_pos.y, self._auto_pilot_altitude)
--increase power lever
if climb_rate > 0.2 then
pa28.powerAdjust(self, dtime, factor, -1)
end
--decrease power lever
if climb_rate < 0 then
pa28.powerAdjust(self, dtime, factor, 1, max_autopilot_power)
end
--do not exceed
local max_speed = pa28.max_speed
if longit_speed > max_speed then
engineacc = engineacc - (longit_speed-max_speed)
if engineacc < 0 then engineacc = 0 end
end
self._acceleration = engineacc
end
local hull_acc = vector.multiply(hull_direction,self._acceleration)
retval_accel=vector.add(retval_accel,hull_acc)
--pitch
if self._angle_of_attack > max_attack_angle then
pa28.set_pitch(self, 1, dtime)
elseif self._angle_of_attack < max_attack_angle then
pa28.set_pitch(self, -1, dtime)
end
-- yaw
pa28.set_yaw(self, 0, dtime)
if longit_speed > 0 then
pa28.rudder_auto_correction(self, longit_speed, dtime)
pa28.elevator_auto_correction(self, longit_speed, dtime)
end
return retval_accel
end

73
crafts.lua Executable file
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-- wing
minetest.register_craftitem("pa28:wings",{
description = "PA28 wings",
inventory_image = "pa28_wings.png",
})
-- fuselage
minetest.register_craftitem("pa28:fuselage",{
description = "PA28 fuselage",
inventory_image = "pa28_fuselage.png",
})
-- pa28
minetest.register_craftitem("pa28:pa28", {
description = pa28.plane_text,
inventory_image = "pa28.png",
liquids_pointable = true,
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return
end
local pointed_pos = pointed_thing.under
--local node_below = minetest.get_node(pointed_pos).name
--local nodedef = minetest.registered_nodes[node_below]
pointed_pos.y=pointed_pos.y+2.5
local pa28_ent = minetest.add_entity(pointed_pos, "pa28:pa28")
if pa28_ent and placer then
local ent = pa28_ent:get_luaentity()
local owner = placer:get_player_name()
ent.owner = owner
pa28_ent:set_yaw(placer:get_look_horizontal())
itemstack:take_item()
airutils.create_inventory(ent, pa28.trunk_slots, owner)
end
return itemstack
end,
})
--
-- crafting
--
if minetest.get_modpath("default") then
--[[minetest.register_craft({
output = "pa28:wings",
recipe = {
{"wool:white", "farming:string", "wool:white"},
{"group:wood", "group:wood", "group:wood"},
{"wool:white", "default:steel_ingot", "wool:white"},
}
})
minetest.register_craft({
output = "pa28:fuselage",
recipe = {
{"default:steel_ingot", "default:diamondblock", "default:steel_ingot"},
{"wool:white", "default:steel_ingot", "wool:white"},
{"default:steel_ingot", "default:mese_block", "default:steel_ingot"},
}
})
minetest.register_craft({
output = "pa28:pa28",
recipe = {
{"pa28:wings",},
{"pa28:fuselage",},
}
})]]--
end

43
custom_physics.lua Executable file
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local min = math.min
local abs = math.abs
--local deg = math.deg
function pa28.physics(self)
local friction = 0.99
local vel=self.object:get_velocity()
-- dumb friction
if self.isonground and not self.isinliquid then
vel = {x=vel.x*friction,
y=vel.y,
z=vel.z*friction}
self.object:set_velocity(vel)
end
-- bounciness
if self.springiness and self.springiness > 0 then
local vnew = vector.new(vel)
if not self.collided then -- ugly workaround for inconsistent collisions
for _,k in ipairs({'y','z','x'}) do
if vel[k]==0 and abs(self.lastvelocity[k])> 0.1 then
vnew[k]=-self.lastvelocity[k]*self.springiness
end
end
end
if not vector.equals(vel,vnew) then
self.collided = true
else
if self.collided then
vnew = vector.new(self.lastvelocity)
end
self.collided = false
end
self.object:set_velocity(vnew)
end
self.object:set_acceleration({x=0,y=mobkit.gravity,z=0})
end

3
depends.txt Executable file
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@ -0,0 +1,3 @@
mobkit
default
biofuel

449
entities.lua Executable file
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dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
--
-- entity
--
pa28.vector_up = vector.new(0, 1, 0)
minetest.register_entity('pa28:engine',{
initial_properties = {
physical = false,
collide_with_objects=false,
pointable=false,
visual = "mesh",
backface_culling = false,
mesh = "pa28_propeller.b3d",
--visual_size = {x = 3, y = 3, z = 3},
textures = {"pa28_propeller.png", "pa28_black.png", "pa28_white.png"},
},
on_activate = function(self,std)
self.sdata = minetest.deserialize(std) or {}
if self.sdata.remove then self.object:remove() end
end,
get_staticdata=function(self)
self.sdata.remove=true
return minetest.serialize(self.sdata)
end,
})
--
-- seat pivot
--
minetest.register_entity('pa28:seat_base',{
initial_properties = {
physical = false,
collide_with_objects=false,
pointable=false,
visual = "mesh",
mesh = "pa28_seat_base.b3d",
textures = {"pa28_black.png",},
},
on_activate = function(self,std)
self.sdata = minetest.deserialize(std) or {}
if self.sdata.remove then self.object:remove() end
end,
get_staticdata=function(self)
self.sdata.remove=true
return minetest.serialize(self.sdata)
end,
})
minetest.register_entity("pa28:pa28", {
initial_properties = {
physical = true,
collide_with_objects = true,
collisionbox = {-1.2, -1.5, -1.2, 1.2, 1, 1.2}, --{-1,0,-1, 1,0.3,1},
selectionbox = {-2, -1.5, -2, 2, 0, 2},
visual = "mesh",
mesh = "pa28.b3d",
stepheight = 0.5,
textures = {
"pa28_black.png", --bancos 1
"pa28_black.png", --bancos 2
"pa28_compass.png", --bussola
"pa28_white.png", --ponteiros
"pa28_compass_plan.png", --indicador bussola
"pa28_white.png", --superficies controle
"pa28_painting.png", --topo leme
"pa28_black.png", --manches
"pa28_l_light.png", --luz posicao
"pa28_white.png", --topo fuselagem
"pa28_painting.png", --fuselagem
"pa28_black.png", --motor
"pa28_glass.png", --motor
"pa28_interior.png", --fuselagem
"pa28_l_light.png", --luz posicao esq
"pa28_black.png", --painel topo
"pa28_black.png", --painel fundo
"pa28_panel.png", --painel
"pa28_metal.png", --farol
"pa28_compass_ind.png", --compass plane
"pa28_r_light.png", --luz posicao dir
"pa28_white.png", --topo carenagens
"pa28_painting.png", --carenagens
"pa28_metal.png", --suporte trem frontal
"pa28_white.png", --topo carenagen
"pa28_painting.png", --carenagem
"pa28_painting.png", --topo est vertical
"pa28_black.png", --pneu
"pa28_metal.png", --aro roda
"pa28_black.png", --pneu
"pa28_metal.png", --aro roda
"pa28_white.png", --asas
"pa28_painting.png", --pontas das asas
},
},
textures = {},
driver_name = nil,
sound_handle = nil,
owner = "",
static_save = true,
infotext = "A nice airplane",
hp_max = 50,
shaded = true,
show_on_minimap = true,
springiness = 0.1,
physics = pa28.physics,
_passenger = nil,
_color = "#0063b0",
_rudder_angle = 0,
_acceleration = 0,
_engine_running = false,
_angle_of_attack = 2,
_elevator_angle = 0,
_power_lever = 0,
_last_applied_power = 0,
_energy = 0.001,
_last_vel = {x=0,y=0,z=0},
_longit_speed = 0,
_land_retracted = true,
_show_hud = false,
_instruction_mode = false, --flag to intruction mode
_command_is_given = false, --flag to mark the "owner" of the commands now
_autopilot = false,
_auto_pilot_altitude = 0,
_flap = false,
_last_accell = {x=0,y=0,z=0},
_last_time_command = 1,
_wing_configuration = pa28.wing_angle_of_attack,
_inv = nil,
_inv_id = "",
get_staticdata = function(self) -- unloaded/unloads ... is now saved
return minetest.serialize({
--stored_sound_handle = self.sound_handle,
stored_energy = self._energy,
stored_owner = self.owner,
stored_hp = self.hp_max,
stored_color = self._color,
stored_power_lever = self._power_lever,
stored_driver_name = self.driver_name,
stored_last_accell = self._last_accell,
stored_engine_running = self._engine_running,
stored_inv_id = self._inv_id,
stored_flap = self._flap,
})
end,
on_deactivate = function(self)
airutils.save_inventory(self)
end,
on_activate = function(self, staticdata, dtime_s)
mobkit.actfunc(self, staticdata, dtime_s)
if staticdata ~= "" and staticdata ~= nil then
local data = minetest.deserialize(staticdata) or {}
self._energy = data.stored_energy
self.owner = data.stored_owner
self.hp_max = data.stored_hp
self._color = data.stored_color
self._power_lever = data.stored_power_lever
self.driver_name = data.stored_driver_name
self._last_accell = data.stored_last_accell
self._engine_running = data.stored_engine_running
self._inv_id = data.stored_inv_id
self._flap = data.stored_flap
--self.sound_handle = data.stored_sound_handle
--minetest.debug("loaded: ", self._energy)
if self._engine_running then
self._last_applied_power = -1 --signal to start
end
end
airutils.setText(self, pa28.plane_text)
self.object:set_animation({x = 1, y = 12}, 0, 0, true)
local pos = self.object:get_pos()
local engine=minetest.add_entity(pos,'pa28:engine')
engine:set_attach(self.object,'',{x=0,y=0,z=0},{x=0,y=0,z=0})
-- set the animation once and later only change the speed
engine:set_animation({x = 1, y = 12}, 0, 0, true)
self.engine = engine
local pilot_seat_base=minetest.add_entity(pos,'pa28:seat_base')
pilot_seat_base:set_attach(self.object,'',{x=-4.25,y=-4,z=2},{x=0,y=0,z=0})
self.pilot_seat_base = pilot_seat_base
local co_pilot_seat_base=minetest.add_entity(pos,'pa28:seat_base')
co_pilot_seat_base:set_attach(self.object,'',{x=4.25,y=-4,z=2},{x=0,y=0,z=0})
self.co_pilot_seat_base = co_pilot_seat_base
self._passengers_base = {[1]=nil, [2]=nil,}
self._passengers = {[1]=nil, [2]=nil,}
self._passengers_base[1]=minetest.add_entity(pos,'pa28:seat_base')
self._passengers_base[1]:set_attach(self.object,'',{x=-4.25,y=-4.5,z=-6},{x=0,y=0,z=0})
self._passengers_base[2]=minetest.add_entity(pos,'pa28:seat_base')
self._passengers_base[2]:set_attach(self.object,'',{x=4.25,y=-4.5,z=-6},{x=0,y=0,z=0})
airutils.paint(self, self._color, "pa28_painting.png")
self.object:set_bone_position("flap_a.r", {x=20.8,y=-5.8,z=-6.7}, {x=0,y=0,z=5})
self.object:set_bone_position("flap_a.l", {x=-20.8,y=-5.8,z=-6.7}, {x=0,y=0,z=-5})
self.object:set_bone_position("aileron_a.r", {x=43.7,y=-3.8,z=-6.7}, {x=0,y=0,z=5})
self.object:set_bone_position("aileron_a.l", {x=-43.7,y=-3.8,z=-6.7}, {x=0,y=0,z=-5})
self.object:set_bone_position("rudder_a", {x=0,y=12.05,z=-46.7}, {x=-21.2,y=0,z=0})
self.object:set_armor_groups({immortal=1})
local inv = minetest.get_inventory({type = "detached", name = self._inv_id})
-- if the game was closed the inventories have to be made anew, instead of just reattached
if not inv then
airutils.create_inventory(self, pa28.trunk_slots)
else
self.inv = inv
end
end,
--on_step = mobkit.stepfunc,
on_step = function(self,dtime,colinfo)
self.dtime = math.min(dtime,0.2)
self.colinfo = colinfo
self.height = mobkit.get_box_height(self)
-- physics comes first
local vel = self.object:get_velocity()
if colinfo then
self.isonground = colinfo.touching_ground
else
if self.lastvelocity.y==0 and vel.y==0 then
self.isonground = true
else
self.isonground = false
end
end
self:physics()
if self.logic then
self:logic()
end
self.lastvelocity = self.object:get_velocity()
self.time_total=self.time_total+self.dtime
end,
logic = pa28.flightstep,
on_punch = function(self, puncher, ttime, toolcaps, dir, damage)
if not puncher or not puncher:is_player() then
return
end
local is_admin = false
is_admin = minetest.check_player_privs(puncher, {server=true})
local name = puncher:get_player_name()
if self.owner and self.owner ~= name and self.owner ~= "" then
if is_admin == false then return end
end
if self.owner == nil then
self.owner = name
end
if self.driver_name and self.driver_name ~= name then
-- do not allow other players to remove the object while there is a driver
return
end
local is_attached = false
if puncher:get_attach() == self.object then is_attached = true end
local itmstck=puncher:get_wielded_item()
local item_name = ""
if itmstck then item_name = itmstck:get_name() end
if is_attached == false then
if pa28.loadFuel(self, puncher:get_player_name()) then
return
end
--repair
if (item_name == "airutils:repair_tool" or item_name == "trike:repair_tool")
and self._engine_running == false then
if self.hp_max < 50 then
local inventory_item = "default:steel_ingot"
local inv = puncher:get_inventory()
if inv:contains_item("main", inventory_item) then
local stack = ItemStack(inventory_item .. " 1")
inv:remove_item("main", stack)
self.hp_max = self.hp_max + 10
if self.hp_max > 50 then self.hp_max = 50 end
airutils.setText(self, pa28.plane_text)
else
minetest.chat_send_player(puncher:get_player_name(), "You need steel ingots in your inventory to perform this repair.")
end
end
return
end
-- deal with painting or destroying
if itmstck then
if airutils.set_paint(self, puncher, itmstck, "pa28_painting.png") == false then
if not self.driver and toolcaps and toolcaps.damage_groups
and toolcaps.damage_groups.fleshy and item_name ~= airutils.fuel then
--mobkit.hurt(self,toolcaps.damage_groups.fleshy - 1)
--mobkit.make_sound(self,'hit')
self.hp_max = self.hp_max - 10
minetest.sound_play("pa28_collision", {
object = self.object,
max_hear_distance = 5,
gain = 1.0,
fade = 0.0,
pitch = 1.0,
})
airutils.setText(self, pa28.plane_text)
end
end
end
if self.hp_max <= 0 then
pa28.destroy(self)
end
end
end,
on_rightclick = function(self, clicker)
local message = ""
if not clicker or not clicker:is_player() then
return
end
local name = clicker:get_player_name()
if self.owner == "" then
self.owner = name
end
local copilot_name = nil
if self._passenger then
copilot_name = self._passenger
end
local touching_ground, liquid_below = airutils.check_node_below(self.object, 2.5)
local is_on_ground = self.isinliquid or touching_ground or liquid_below
local is_under_water = airutils.check_is_under_water(self.object)
--minetest.chat_send_all('name '.. dump(name) .. ' - pilot: ' .. dump(self.driver_name) .. ' - pax: ' .. dump(copilot_name))
--=========================
-- form to pilot
--=========================
local is_attached = false
local seat = clicker:get_attach()
if seat then
local plane = seat:get_attach()
if plane == self.object then is_attached = true end
end
if name == self.driver_name then
if is_attached then
pa28.pilot_formspec(name)
else
self.driver_name = nil
end
--=========================
-- detach copilot
--=========================
elseif name == copilot_name then
pa28.pax_formspec(name)
--=========================
-- attach pilot
--=========================
elseif not self.driver_name then
if self.owner == name or minetest.check_player_privs(clicker, {protection_bypass=true}) then
if clicker:get_player_control().aux1 == true then --lets see the inventory
airutils.show_vehicle_trunk_formspec(self, clicker, pa28.trunk_slots)
else
if pa28.restricted == "true" and not minetest.check_player_privs(clicker, {flight_licence=true}) then
minetest.show_formspec(name, "pa28:flightlicence",
"size[4,2]" ..
"label[0.0,0.0;Sorry ...]"..
"label[0.0,0.7;You need a flight licence to fly it.]" ..
"label[0.0,1.0;You must obtain it from server admin.]" ..
"button_exit[1.5,1.9;0.9,0.1;e;Exit]")
return
end
if is_under_water then return end
--remove pax to prevent bug
if self._passenger then
local pax_obj = minetest.get_player_by_name(self._passenger)
pa28.dettach_pax(self, pax_obj)
end
for i = 10,1,-1
do
if self._passengers[i] then
if self._passengers[i] then
local passenger = minetest.get_player_by_name(self._passengers[i])
if passenger then pa28.dettach_pax(self, passenger) end
end
end
end
--attach player
-- no driver => clicker is new driver
pa28.attach(self, clicker)
self._command_is_given = false
end
else
pa28.dettach_pax(self, clicker)
minetest.chat_send_player(name, core.colorize('#ff0000', " >>> You aren't the owner of this "..pa28.plane_text.."."))
end
--=========================
-- attach passenger
--=========================
elseif self.driver_name ~= nil or self._autoflymode == true then
local player = minetest.get_player_by_name(self.driver_name)
if player then
is_attached = pa28.check_passenger_is_attached(self, name)
if is_attached then
--remove pax
pa28.pax_formspec(name)
--pa28.dettach_pax(self, clicker)
else
--attach normal passenger
pa28.attach_pax(self, clicker)
end
else
minetest.chat_send_player(clicker:get_player_name(), message)
end
else
minetest.chat_send_player(clicker:get_player_name(), message)
end
end,
})

190
forms.lua Executable file
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dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
--------------
-- Manual --
--------------
function pa28.getPlaneFromPlayer(player)
local seat = player:get_attach()
if seat then
local plane = seat:get_attach()
return plane
end
return nil
end
function pa28.pilot_formspec(name)
local basic_form = table.concat({
"formspec_version[5]",
"size[6,12]",
}, "")
local player = minetest.get_player_by_name(name)
local plane_obj = pa28.getPlaneFromPlayer(player)
if plane_obj == nil then
return
end
local ent = plane_obj:get_luaentity()
local pass_list = ""
for k, v in pairs(ent._passengers) do
pass_list = pass_list .. v .. ","
end
local flap_is_down = "false"
if ent._flap then flap_is_down = "true" end
local door_is_open = "true"
if ent._door_closed then door_is_open = "false" end
local copilot_name = "test"
basic_form = basic_form.."button[1,1.0;4,1;turn_on;Start/Stop Engines]"
basic_form = basic_form.."button[1,2.0;4,1;hud;Show/Hide Gauges]"
--basic_form = basic_form.."button[1,3.0;4,1;turn_auto_pilot_on;Auto Pilot]"
basic_form = basic_form.."button[1,4.0;4,1;pass_control;Pass the Control]"
basic_form = basic_form.."checkbox[1,5.8;flap_is_down;Flaps down;"..flap_is_down.."]"
basic_form = basic_form.."button[1,7.8;4,1;go_out;Go Offboard]"
basic_form = basic_form.."label[1,10;Bring a copilot:]"
basic_form = basic_form.."dropdown[1,10.2;4,1;copilot;"..pass_list..";0;false]"
minetest.show_formspec(name, "pa28:pilot_main", basic_form)
end
function pa28.pax_formspec(name)
local basic_form = table.concat({
"formspec_version[3]",
"size[6,5]",
}, "")
basic_form = basic_form.."button[1,1.0;4,1;new_seat;Change Seat]"
basic_form = basic_form.."button[1,2.5;4,1;go_out;Go Offboard]"
minetest.show_formspec(name, "pa28:passenger_main", basic_form)
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname == "pa28:passenger_main" then
local name = player:get_player_name()
local plane_obj = pa28.getPlaneFromPlayer(player)
if plane_obj == nil then
minetest.close_formspec(name, "pa28:passenger_main")
return
end
local ent = plane_obj:get_luaentity()
if fields.new_seat then
pa28.dettach_pax(ent, player)
pa28.attach_pax(ent, player)
end
if fields.go_out then
pa28.dettach_pax(ent, player)
end
minetest.close_formspec(name, "pa28:passenger_main")
end
if formname == "pa28:pilot_main" then
local name = player:get_player_name()
local plane_obj = pa28.getPlaneFromPlayer(player)
if plane_obj == nil then
minetest.close_formspec(name, "pa28:pilot_main")
return
end
local ent = plane_obj:get_luaentity()
if fields.turn_on then
pa28.start_engine(ent)
end
if fields.hud then
if ent._show_hud == true then
ent._show_hud = false
else
ent._show_hud = true
end
end
if fields.turn_auto_pilot_on then
--
end
if fields.pass_control then
if ent._command_is_given == true then
--take the control
airutils.transfer_control(ent, false)
else
--trasnfer the control to student
airutils.transfer_control(ent, true)
end
end
if fields.flap_is_down then
if fields.flap_is_down == "true" then
ent._flap = true
else
ent._flap = false
end
minetest.sound_play("pa28_collision", {
object = ent.object,
max_hear_distance = 10,
gain = 1.0,
fade = 0.0,
pitch = 0.5,
}, true)
end
if fields.go_out then
--=========================
-- dettach player
--=========================
-- eject passenger if the plane is on ground
local touching_ground, liquid_below = airutils.check_node_below(plane_obj, 2.5)
if ent.isinliquid or touching_ground then --isn't flying?
--ok, remove pax
local passenger = nil
if ent._passenger then
passenger = minetest.get_player_by_name(ent._passenger)
if passenger then pa28.dettach_pax(ent, passenger) end
end
for i = 10,1,-1
do
if ent._passengers[i] then
passenger = minetest.get_player_by_name(ent._passengers[i])
if passenger then
pa28.dettach_pax(ent, passenger)
--minetest.chat_send_all('saiu')
end
end
end
else
--give the control to the pax
if ent._passenger then
ent._autopilot = false
airutils.transfer_control(ent, true)
end
end
ent._instruction_mode = false
pa28.dettachPlayer(ent, player)
end
if fields.copilot then
--look for a free seat first
local is_there_a_free_seat = false
for i = 2,1,-1
do
if ent._passengers[i] == nil then
is_there_a_free_seat = true
break
end
end
--then move the current copilot to a free seat
if ent._passenger and is_there_a_free_seat then
local copilot_player_obj = minetest.get_player_by_name(ent._passenger)
if copilot_player_obj then
pa28.dettach_pax(ent, copilot_player_obj)
pa28.attach_pax(ent, copilot_player_obj)
else
ent._passenger = nil
end
end
--so bring the new copilot
if ent._passenger == nil then
local new_copilot_player_obj = minetest.get_player_by_name(fields.copilot)
if new_copilot_player_obj then
pa28.dettach_pax(ent, new_copilot_player_obj)
pa28.attach_pax(ent, new_copilot_player_obj, true)
end
end
end
minetest.close_formspec(name, "pa28:pilot_main")
end
end)

50
fuel_management.lua Executable file
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dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
function pa28.contains(table, val)
for k,v in pairs(table) do
if k == val then
return v
end
end
return false
end
function pa28.loadFuel(self, player_name)
local player = minetest.get_player_by_name(player_name)
local inv = player:get_inventory()
local itmstck=player:get_wielded_item()
local item_name = ""
if itmstck then item_name = itmstck:get_name() end
local fuel = pa28.contains(airutils.fuel, item_name)
if fuel then
local stack = ItemStack(item_name .. " 1")
if self._energy < PA28_MAX_FUEL then
inv:remove_item("main", stack)
self._energy = self._energy + fuel
if self._energy > PA28_MAX_FUEL then self._energy = PA28_MAX_FUEL end
end
return true
end
return false
end
function pa28.consumptionCalc(self, accel)
if accel == nil then return end
if self._energy > 0 and self._engine_running and accel ~= nil then
local consumed_power = self._power_lever/200000
if consumed_power < 0.00005 then consumed_power = 0.00005 end
--minetest.chat_send_all('consumed: '.. consumed_power)
self._energy = self._energy - consumed_power;
end
if self._energy <= 0 and self._engine_running and accel ~= nil then
self._engine_running = false
self._autopilot = false
if self.sound_handle then minetest.sound_stop(self.sound_handle) end
self.engine:set_animation_frame_speed(0)
end
end

10
global_definitions.lua Executable file
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--
-- constants
--
PA28_LONGIT_DRAG_FACTOR = 0.13*0.13
PA28_LATER_DRAG_FACTOR = 2.0
deg = math.deg
abs = math.abs
PA28_MAX_FUEL = 15.0

216
hud.lua Executable file
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pa28.hud_list = {}
function pa28.animate_gauge(player, ids, prefix, x, y, angle)
local angle_in_rad = math.rad(angle + 180)
local dim = 10
local pos_x = math.sin(angle_in_rad) * dim
local pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "2"], "offset", {x = pos_x + x, y = pos_y + y})
dim = 20
pos_x = math.sin(angle_in_rad) * dim
pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "3"], "offset", {x = pos_x + x, y = pos_y + y})
dim = 30
pos_x = math.sin(angle_in_rad) * dim
pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "4"], "offset", {x = pos_x + x, y = pos_y + y})
dim = 40
pos_x = math.sin(angle_in_rad) * dim
pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "5"], "offset", {x = pos_x + x, y = pos_y + y})
dim = 50
pos_x = math.sin(angle_in_rad) * dim
pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "6"], "offset", {x = pos_x + x, y = pos_y + y})
dim = 60
pos_x = math.sin(angle_in_rad) * dim
pos_y = math.cos(angle_in_rad) * dim
player:hud_change(ids[prefix .. "7"], "offset", {x = pos_x + x, y = pos_y + y})
end
function pa28.update_hud(player, climb, speed)
local player_name = player:get_player_name()
local screen_pos_y = -150
local screen_pos_x = 10
local clb_gauge_x = screen_pos_x + 80
local clb_gauge_y = screen_pos_y + 5
local sp_gauge_x = screen_pos_x + 180
local sp_gauge_y = clb_gauge_y
local ids = pa28.hud_list[player_name]
if ids then
pa28.animate_gauge(player, ids, "clb_pt_", clb_gauge_x, clb_gauge_y, climb)
pa28.animate_gauge(player, ids, "sp_pt_", sp_gauge_x, sp_gauge_y, speed)
else
ids = {}
ids["title"] = player:hud_add({
hud_elem_type = "text",
position = {x = 0, y = 1},
offset = {x = screen_pos_x +140, y = screen_pos_y -100},
text = "Flight Information",
alignment = 0,
scale = { x = 100, y = 30},
number = 0xFFFFFF,
})
ids["bg"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = screen_pos_x, y = screen_pos_y},
text = "pa28_hud_panel.png",
scale = { x = 0.5, y = 0.5},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_1"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_2"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_3"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_4"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_5"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_6"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["clb_pt_7"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = clb_gauge_x, y = clb_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_1"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_2"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_3"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_4"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_5"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_6"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
ids["sp_pt_7"] = player:hud_add({
hud_elem_type = "image",
position = {x = 0, y = 1},
offset = {x = sp_gauge_x, y = sp_gauge_y},
text = "pa28_ind_box.png",
scale = { x = 6, y = 6},
alignment = { x = 1, y = 0 },
})
pa28.hud_list[player_name] = ids
end
end
function pa28.remove_hud(player)
if player then
local player_name = player:get_player_name()
--minetest.chat_send_all(player_name)
local ids = pa28.hud_list[player_name]
if ids then
--player:hud_remove(ids["altitude"])
--player:hud_remove(ids["time"])
player:hud_remove(ids["title"])
player:hud_remove(ids["bg"])
player:hud_remove(ids["clb_pt_7"])
player:hud_remove(ids["clb_pt_6"])
player:hud_remove(ids["clb_pt_5"])
player:hud_remove(ids["clb_pt_4"])
player:hud_remove(ids["clb_pt_3"])
player:hud_remove(ids["clb_pt_2"])
player:hud_remove(ids["clb_pt_1"])
player:hud_remove(ids["sp_pt_7"])
player:hud_remove(ids["sp_pt_6"])
player:hud_remove(ids["sp_pt_5"])
player:hud_remove(ids["sp_pt_4"])
player:hud_remove(ids["sp_pt_3"])
player:hud_remove(ids["sp_pt_2"])
player:hud_remove(ids["sp_pt_1"])
end
pa28.hud_list[player_name] = nil
end
end

86
init.lua Executable file
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pa28={}
pa28.gravity = tonumber(minetest.settings:get("movement_gravity")) or 9.8
pa28.wing_angle_of_attack = 1.2
pa28.min_speed = 6
pa28.max_speed = 9
pa28.max_engine_acc = 8.5
pa28.lift = 10
pa28.trunk_slots = 18
pa28.plane_text = "PA28"
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "control.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "fuel_management.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "custom_physics.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "utilities.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "entities.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "manual.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "forms.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "crafts.lua")
--
-- helpers and co.
--
--
-- items
--
settings = Settings(minetest.get_worldpath() .. "/settings.conf")
local function fetch_setting(name)
local sname = name
return settings and settings:get(sname) or minetest.settings:get(sname)
end
pa28.restricted = fetch_setting("restricted")
minetest.register_privilege("flight_licence", {
description = "Gives a flight licence to the player",
give_to_singleplayer = true
})
-- add chatcommand to eject from hydroplane
minetest.register_chatcommand("pa28_eject", {
params = "",
description = "Ejects from PA28",
privs = {interact = true},
func = function(name, param)
local colorstring = core.colorize('#ff0000', " >>> you are not inside your PA28")
local player = minetest.get_player_by_name(name)
local attached_to = player:get_attach()
if attached_to ~= nil then
local seat = attached_to:get_attach()
if seat ~= nil then
local entity = seat:get_luaentity()
if entity then
if entity.name == "pa28:pa28" then
if entity.driver_name == name then
pa28.dettachPlayer(entity, player)
elseif entity._passenger == name then
local passenger = minetest.get_player_by_name(entity._passenger)
pa28.dettach_pax(entity, passenger)
end
else
minetest.chat_send_player(name,colorstring)
end
end
end
else
minetest.chat_send_player(name,colorstring)
end
end
})
minetest.register_chatcommand("pa28_manual", {
params = "",
description = "PA28 operation manual",
privs = {interact = true},
func = function(name, param)
pa28.manual_formspec(name)
end
})

172
manual.lua Executable file
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dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
--------------
-- Manual --
--------------
function pa28.manual_formspec(name)
local basic_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]"
}, "")
basic_form = basic_form.."button[1.75,1.5;4,1;short;Shortcuts]"
basic_form = basic_form.."button[1.75,3.5;4,1;panel;Panel]"
basic_form = basic_form.."button[1.75,5.5;4,1;fuel;Refueling]"
basic_form = basic_form.."button[1.75,7.5;4,1;op;Operation]"
basic_form = basic_form.."button[10.25,1.5;4,1;paint;Painting]"
basic_form = basic_form.."button[10.25,3.5;4,1;tips;Tips]"
minetest.show_formspec(name, "pa28:manual_main", basic_form)
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
if formname == "pa28:manual_main" then
if fields.short then
local text = {
"Shortcuts \n\n",
"* Right click: enter in/get off plane \n",
"* Left click (with biofuel): add fuel to plane \n",
"* Right click and Sneak: enter in flight instructor mode \n",
" (limited vision, so use external camera) \n",
"* E (aux1): Start/stop engine \n",
"* Jump: Increase power, forward on ground \n",
"* Sneak: Decrease power, brake on ground \n",
"* Backward: go up flying - nose up \n",
"* Forward: go down flying - nose down \n",
"* Left/right: Turn to left/right, work on and out ground. \n",
"* Left and Right together: center all commands \n",
"* Sneak and Jump together (normal): activates the autopilot \n",
"* Sneak and Jump together (instruction mode): give/take the \n",
" controls to/from pilot student \n",
"* Up and Down together: enable/disable HUD \n",
"* E and Right click: inventory (only external) \n"
}
local shortcut_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]",
"image[0.5,3.75;6,6;pa28_manual_up_view.png]",
"label[9.25,0.5;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:manual_shortcut", shortcut_form)
end
if fields.panel then
local text = {
"The Panel \n\n",
"In front of the pilot is the instrument panel. \n",
"It's used to obtain important flight information, namely: \n",
"rate of climb/descent, speed, power applied and fuel level. \n\n",
"The climber is the instrument that indicates the rate \n",
" of climb and descent, it's on the left of the panel, \n",
" marked with the letter C in blue. \n",
"The speed indicator indicates the longitudinal speed of the \n",
" aircraft. It's on the center of the panel and is marked \n",
" with the letter S in white. \n",
"The power gauge indicates the power applied to the engine. \n",
"It's at upper right position of the panel, with an yellow P. \n",
"The fuel gauge, located on the right and below, indicates the \n",
"fuel available on the aircraft. It's marked with the green F."
}
local panel_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]",
"image[0.2,1.75;7,7;pa28_manual_panel.png]",
"label[9.25,0.5;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:manual_panel", panel_form)
end
if fields.fuel then
local text = {
"Fuel \n\n",
"To fly, the aircraft needs fuel for its engine. So it is \n",
"necessary to supply it. To do this, it is necessary to \n",
"have the selected fuel in hand and punch it in the float. \n",
"Depending on the fuel mod used and which container, a \n",
"greater or lesser number of fuel units may be required to \n",
"fill the tank. In the case of the Lokrates biofuel mod, \n",
"with 10 bottles it is possible to fill the tank. With the \n",
"vial, 40 units will be needed. \n",
"Don't forget to check the fuel gauge on the panel."
}
local fuel_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]",
"image[2,3.75;4,2;pa28_manual_fuel.png]",
"label[9.25,0.5;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:fuel", fuel_form)
end
if fields.op then
local text = {
"Operation \n\n",
"The aircraft can operate only on land. \n",
"When boarding the aircraft, centralize the commands (A \n",
"and D keys), press E to start the engine and hold Jump \n",
"until full power. When the speed reaches the green range, \n",
"lightly pull the stick using the S key. Always keep the \n",
"speed within the green range to avoid stalling. To land, \n",
"remove all power, but keep the speed at the limit \n",
"between the green and white range. \n",
"When you are about to touch the soil, lightly pull \n",
"the stick to level and touch it gently. It's possible to \n",
"operate with an external camera, activating the HUD. \n",
"The autopilot (jump and sneak) only keeps the airplane at the \n",
"activation level, limited by power and designed ceiling. \n",
"It's possible for a passenger to board the aircraft, just \n",
"click the right the plane. But the passenger \n",
"will only be able to enter if the pilot has \n",
"already boarded."
}
local op_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]",
"image[0.5,1.75;6,6;pa28_manual_side_view.png]",
"label[9.25,0.25;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:op", op_form)
end
if fields.paint then
local text = {
"Painting \n\n",
"Painting the aircraft is quite simple. It works in the same \n",
"way as the fuel supply, but instead of using fuel to punch \n",
"the floater, use a dye of the chosen color."
}
local paint_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_colors.png]",
"label[9.25,0.5;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:paint", paint_form)
end
if fields.tips then
local text = {
"Tips \n\n",
"* During a stall, centralize the controls (A + D shortcut) \n",
" and apply maximum power, then gently pull the control. \n",
"* The \"repair tool\" can repair damage suffered by the \n",
" aircraft. To use it, have some steel ingots in the \n",
" inventory, which will be subtracted for repair \n",
"* When boarding as a flight instructor, use \n",
" the external camera with the hud on. \n",
"* As an instructor, only pass control to the student at \n",
" altitudes that allow time for reaction, unless you \n",
" already trust that student.",
}
local tips_form = table.concat({
"formspec_version[3]",
"size[16,10]",
"background[-0.7,-0.5;17.5,11.5;pa28_manual_bg.png]",
"label[0.2,0.5;", table.concat(text, ""), "]",
}, "")
minetest.show_formspec(player:get_player_name(), "pa28:tips", tips_form)
end
end
end)

5
mod.conf Executable file
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name = pa28
depends = mobkit,default,biofuel,airutils
author = APercy
description = Adds a craftable PA28
title = PA28

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textures/pa28_compass.png Executable file
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textures/pa28_compass_ind.png Executable file
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textures/pa28_fuselage.png Executable file
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textures/pa28_hud_panel.png Executable file
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textures/pa28_interior.png Executable file
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textures/pa28_l_light.png Executable file
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textures/pa28_manual_bg.png Executable file
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textures/pa28_manual_colors.png Executable file
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textures/pa28_manual_fuel.png Executable file
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utilities.lua Executable file
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dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "global_definitions.lua")
dofile(minetest.get_modpath("pa28") .. DIR_DELIM .. "hud.lua")
function pa28.get_hipotenuse_value(point1, point2)
return math.sqrt((point1.x - point2.x) ^ 2 + (point1.y - point2.y) ^ 2 + (point1.z - point2.z) ^ 2)
end
function pa28.dot(v1,v2)
return v1.x*v2.x+v1.y*v2.y+v1.z*v2.z
end
function pa28.sign(n)
return n>=0 and 1 or -1
end
function pa28.minmax(v,m)
return math.min(math.abs(v),m)*pa28.sign(v)
end
function pa28.get_gauge_angle(value, initial_angle)
initial_angle = initial_angle or 90
local angle = value * 18
angle = angle - initial_angle
angle = angle * -1
return angle
end
-- attach player
function pa28.attach(self, player, instructor_mode)
instructor_mode = instructor_mode or false
local name = player:get_player_name()
self.driver_name = name
-- attach the driver
local eye_y = 0
if instructor_mode == true then
eye_y = -2.5
player:set_attach(self.passenger_seat_base, "", {x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
else
eye_y = -4
player:set_attach(self.pilot_seat_base, "", {x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
end
if airutils.detect_player_api(player) == 1 then
eye_y = eye_y + 6.5
end
player:set_eye_offset({x = 0, y = eye_y, z = 2}, {x = 0, y = 1, z = -30})
player_api.set_animation(player, "sit")
player_api.player_attached[name] = true
--player:set_physics_override({gravity = 0})
-- make the driver sit
minetest.after(0.3, function()
if player then
--minetest.chat_send_all("okay")
player_api.set_animation(player, "sit")
--apply_physics_override(player, {speed=0,gravity=0,jump=0})
end
end)
end
-- attach passenger
function pa28.check_passenger_is_attached(self, name)
local is_attached = false
if self._passenger == name then is_attached = true end
if is_attached == false then
for i = 2,1,-1
do
if self._passengers[i] == name then
is_attached = true
break
end
end
end
return is_attached
end
-- attach passenger
function pa28.attach_pax(self, player, is_copilot)
local is_copilot = is_copilot or false
local name = player:get_player_name()
local eye_y = -4
if airutils.detect_player_api(player) == 1 then
eye_y = 2.5
end
if is_copilot == true then
if self._passenger == nil and self.co_pilot_seat_base then
self._passenger = name
-- attach the driver
player:set_attach(self.co_pilot_seat_base, "", {x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
player:set_eye_offset({x = 0, y = eye_y, z = 2}, {x = 0, y = 3, z = -30})
player_api.player_attached[name] = true
-- make the driver sit
minetest.after(0.2, function()
player = minetest.get_player_by_name(name)
if player then
player_api.set_animation(player, "sit")
--apply_physics_override(player, {speed=0,gravity=0,jump=0})
end
end)
end
else
--randomize the seat
local t = {1,2}
for i = 1, #t*2 do
local a = math.random(#t)
local b = math.random(#t)
t[a],t[b] = t[b],t[a]
end
--for i = 1,10,1 do
for k,v in ipairs(t) do
i = t[k]
if self._passengers[i] == nil then
--minetest.chat_send_all(self.driver_name)
self._passengers[i] = name
player:set_attach(self._passengers_base[i], "", {x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
if i > 2 then
player:set_eye_offset({x = 0, y = eye_y, z = 2}, {x = 0, y = 3, z = -30})
else
player:set_eye_offset({x = 0, y = eye_y, z = 0}, {x = 0, y = 3, z = -30})
end
player_api.player_attached[name] = true
-- make the driver sit
minetest.after(0.2, function()
player = minetest.get_player_by_name(name)
if player then
player_api.set_animation(player, "sit")
--apply_physics_override(player, {speed=0,gravity=0,jump=0})
end
end)
break
end
end
end
end
function pa28.dettach_pax(self, player)
local name = player:get_player_name() --self._passenger
-- passenger clicked the object => driver gets off the vehicle
if self._passenger == name then
self._passenger = nil
else
for i = 4,1,-1
do
if self._passengers[i] == name then
self._passengers[i] = nil
break
end
end
end
-- detach the player
if player then
player:set_detach()
player_api.player_attached[name] = nil
player_api.set_animation(player, "stand")
player:set_eye_offset({x=0,y=0,z=0},{x=0,y=0,z=0})
--remove_physics_override(player, {speed=1,gravity=1,jump=1})
end
end
function pa28.dettachPlayer(self, player)
local name = self.driver_name
airutils.setText(self, pa28.plane_text)
pa28.remove_hud(player)
--self._engine_running = false
-- driver clicked the object => driver gets off the vehicle
self.driver_name = nil
-- detach the player
--player:set_physics_override({speed = 1, jump = 1, gravity = 1, sneak = true})
player:set_detach()
player_api.player_attached[name] = nil
player:set_eye_offset({x=0,y=0,z=0},{x=0,y=0,z=0})
player_api.set_animation(player, "stand")
self.driver = nil
--remove_physics_override(player, {speed=1,gravity=1,jump=1})
end
function pa28.checkAttach(self, player)
if player then
local player_attach = player:get_attach()
if player_attach then
if player_attach == self.pilot_seat_base or player_attach == self.passenger_seat_base then
return true
end
end
end
return false
end
-- destroy the boat
function pa28.destroy(self)
if self.sound_handle then
minetest.sound_stop(self.sound_handle)
self.sound_handle = nil
end
if self._passenger then
-- detach the passenger
local passenger = minetest.get_player_by_name(self._passenger)
if passenger then
pa28.dettach_pax(self, passenger)
end
end
if self.driver_name then
-- detach the driver
local player = minetest.get_player_by_name(self.driver_name)
pa28.dettachPlayer(self, player)
end
local pos = self.object:get_pos()
if self.fuel_gauge then self.fuel_gauge:remove() end
if self.power_gauge then self.power_gauge:remove() end
if self.climb_gauge then self.climb_gauge:remove() end
if self.speed_gauge then self.speed_gauge:remove() end
if self.engine then self.engine:remove() end
if self.pilot_seat_base then self.pilot_seat_base:remove() end
if self.passenger_seat_base then self.passenger_seat_base:remove() end
if self.stick then self.stick:remove() end
airutils.destroy_inventory(self)
self.object:remove()
pos.y=pos.y+2
minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'hidroplane:wings')
for i=1,6 do
minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:steel_ingot')
end
for i=1,2 do
minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'wool:white')
end
for i=1,6 do
minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:mese_crystal')
minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'default:diamond')
end
--minetest.add_item({x=pos.x+math.random()-0.5,y=pos.y,z=pos.z+math.random()-0.5},'hidroplane:hidro')
end
function pa28.testImpact(self, velocity, position)
local p = position --self.object:get_pos()
local collision = false
if self._last_vel == nil then return end
--lets calculate the vertical speed, to avoid the bug on colliding on floor with hard lag
if abs(velocity.y - self._last_vel.y) > 2 then
local noded = mobkit.nodeatpos(mobkit.pos_shift(p,{y=-2.8}))
if (noded and noded.drawtype ~= 'airlike') then
collision = true
else
self.object:set_velocity(self._last_vel)
--self.object:set_acceleration(self._last_accell)
self.object:set_velocity(vector.add(velocity, vector.multiply(self._last_accell, self.dtime/8)))
end
end
local impact = abs(pa28.get_hipotenuse_value(velocity, self._last_vel))
--minetest.chat_send_all('impact: '.. impact .. ' - hp: ' .. self.hp_max)
if impact > 2 then
--minetest.chat_send_all('impact: '.. impact .. ' - hp: ' .. self.hp_max)
local nodeu = mobkit.nodeatpos(mobkit.pos_shift(p,{y=1}))
local noded = mobkit.nodeatpos(mobkit.pos_shift(p,{y=-2.8}))
local nodel = mobkit.nodeatpos(mobkit.pos_shift(p,{x=-1}))
local noder = mobkit.nodeatpos(mobkit.pos_shift(p,{x=1}))
local nodef = mobkit.nodeatpos(mobkit.pos_shift(p,{z=1}))
local nodeb = mobkit.nodeatpos(mobkit.pos_shift(p,{z=-1}))
if (nodeu and nodeu.drawtype ~= 'airlike') or
(nodef and nodef.drawtype ~= 'airlike') or
(nodeb and nodeb.drawtype ~= 'airlike') or
(noder and noder.drawtype ~= 'airlike') or
(nodel and nodel.drawtype ~= 'airlike') then
collision = true
end
end
if impact > 1.2 and self._longit_speed > 2 then
local noded = mobkit.nodeatpos(mobkit.pos_shift(p,{y=-2.8}))
if (noded and noded.drawtype ~= 'airlike') then
minetest.sound_play("pa28_touch", {
--to_player = self.driver_name,
object = self.object,
max_hear_distance = 15,
gain = 1.0,
fade = 0.0,
pitch = 1.0,
}, true)
end
end
if collision then
--self.object:set_velocity({x=0,y=0,z=0})
local damage = impact / 2
self.hp_max = self.hp_max - damage --subtract the impact value directly to hp meter
minetest.sound_play("pa28_collision", {
--to_player = self.driver_name,
object = self.object,
max_hear_distance = 15,
gain = 1.0,
fade = 0.0,
pitch = 1.0,
}, true)
if self.driver_name then
local player_name = self.driver_name
airutils.setText(self, pa28.plane_text)
--minetest.chat_send_all('damage: '.. damage .. ' - hp: ' .. self.hp_max)
if self.hp_max < 0 then --if acumulated damage is greater than 50, adieu
pa28.destroy(self)
end
local player = minetest.get_player_by_name(player_name)
if player then
if player:get_hp() > 0 then
player:set_hp(player:get_hp()-(damage/2))
end
end
if self._passenger ~= nil then
local passenger = minetest.get_player_by_name(self._passenger)
if passenger then
if passenger:get_hp() > 0 then
passenger:set_hp(passenger:get_hp()-(damage/2))
end
end
end
end
end
end
function pa28.checkattachBug(self)
-- for some engine error the player can be detached from the submarine, so lets set him attached again
if self.owner and self.driver_name then
-- attach the driver again
local player = minetest.get_player_by_name(self.owner)
if player then
if player:get_hp() > 0 then
pa28.attach(self, player, self._instruction_mode)
else
pa28.dettachPlayer(self, player)
end
else
if self._passenger ~= nil and self._command_is_given == false then
self._autopilot = false
airutils.transfer_control(self, true)
end
end
end
end
function pa28.engineSoundPlay(self)
--sound
if self.sound_handle then minetest.sound_stop(self.sound_handle) end
if self.object then
self.sound_handle = minetest.sound_play({name = "pa28_engine"},
{object = self.object, gain = 2.0,
pitch = 0.5 + ((self._power_lever/100)/2),
max_hear_distance = 15,
loop = true,})
end
end
function pa28.engine_set_sound_and_animation(self)
--minetest.chat_send_all('test1 ' .. dump(self._engine_running) )
if self._engine_running then
if self._last_applied_power ~= self._power_lever then
--minetest.chat_send_all('test2')
self._last_applied_power = self._power_lever
self.engine:set_animation_frame_speed(60 + self._power_lever)
pa28.engineSoundPlay(self)
end
else
if self.sound_handle then
minetest.sound_stop(self.sound_handle)
self.sound_handle = nil
self.engine:set_animation_frame_speed(0)
end
end
end
function pa28.start_engine(self)
if self._engine_running then
self._engine_running = false
-- sound and animation
if self.sound_handle then
minetest.sound_stop(self.sound_handle)
self.sound_handle = nil
end
self.engine:set_animation_frame_speed(0)
self._power_lever = 0 --zero power
elseif self._engine_running == false and self._energy > 0 then
self._engine_running = true
-- sound and animation
pa28.engineSoundPlay(self)
self.engine:set_animation_frame_speed(60)
end
end
function pa28.flap_on(self)
self._wing_configuration = 2.5
self.object:set_bone_position("flap.l", {x=0, y=0, z=0}, {x=-30, y=0, z=0})
self.object:set_bone_position("flap.r", {x=0, y=0, z=0}, {x=-30, y=0, z=0})
end
function pa28.flap_off(self)
self._wing_configuration = pa28.wing_angle_of_attack
self.object:set_bone_position("flap.l", {x=0, y=0, z=0}, {x=0, y=0, z=0})
self.object:set_bone_position("flap.r", {x=0, y=0, z=0}, {x=0, y=0, z=0})
end
function pa28.flap_operate(self, player)
if self._flap == false then
minetest.chat_send_player(player:get_player_name(), ">>> Flap down")
self._flap = true
pa28.flap_on(self)
minetest.sound_play("pa28_collision", {
object = self.object,
max_hear_distance = 15,
gain = 1.0,
fade = 0.0,
pitch = 0.5,
}, true)
else
minetest.chat_send_player(player:get_player_name(), ">>> Flap up")
self._flap = false
pa28.flap_off(self)
minetest.sound_play("pa28_collision", {
object = self.object,
max_hear_distance = 15,
gain = 1.0,
fade = 0.0,
pitch = 0.7,
}, true)
end
end
function pa28.flightstep(self)
local velocity = self.object:get_velocity()
local curr_pos = self.object:get_pos()
self._last_time_command = self._last_time_command + self.dtime
if self._last_time_command > 1 then self._last_time_command = 1 end
local player = nil
if self.driver_name then player = minetest.get_player_by_name(self.driver_name) end
local passenger = nil
if self._passenger then passenger = minetest.get_player_by_name(self._passenger) end
if player then
local ctrl = player:get_player_control()
---------------------
-- change the driver
---------------------
if passenger and self._last_time_command >= 1 and self._instruction_mode == true then
if self._command_is_given == true then
if ctrl.sneak or ctrl.jump or ctrl.up or ctrl.down or ctrl.right or ctrl.left then
self._last_time_command = 0
--take the control
airutils.transfer_control(self, false)
end
else
if ctrl.sneak == true and ctrl.jump == true then
self._last_time_command = 0
--trasnfer the control to student
airutils.transfer_control(self, true)
end
end
end
-----------
--autopilot
-----------
if self._instruction_mode == false and self._last_time_command >= 1 then
if self._autopilot == true then
if ctrl.sneak or ctrl.jump or ctrl.up or ctrl.down or ctrl.right or ctrl.left then
self._last_time_command = 0
self._autopilot = false
minetest.chat_send_player(self.driver_name," >>> Autopilot deactivated")
end
else
if ctrl.sneak == true and ctrl.jump == true then
self._last_time_command = 0
self._autopilot = true
self._auto_pilot_altitude = curr_pos.y
minetest.chat_send_player(self.driver_name,core.colorize('#00ff00', " >>> Autopilot on"))
end
end
end
----------------------------------
-- shows the hud for the player
----------------------------------
if ctrl.up == true and ctrl.down == true and self._last_time_command >= 1 then
self._last_time_command = 0
if self._show_hud == true then
self._show_hud = false
else
self._show_hud = true
end
end
end
local accel_y = self.object:get_acceleration().y
local rotation = self.object:get_rotation()
local yaw = rotation.y
local newyaw=yaw
local pitch = rotation.x
local roll = rotation.z
local newroll=roll
if newroll > 360 then newroll = newroll - 360 end
if newroll < -360 then newroll = newroll + 360 end
local hull_direction = mobkit.rot_to_dir(rotation) --minetest.yaw_to_dir(yaw)
local nhdir = {x=hull_direction.z,y=0,z=-hull_direction.x} -- lateral unit vector
local longit_speed = vector.dot(velocity,hull_direction)
self._longit_speed = longit_speed
local longit_drag = vector.multiply(hull_direction,longit_speed*
longit_speed*PA28_LONGIT_DRAG_FACTOR*-1*pa28.sign(longit_speed))
local later_speed = pa28.dot(velocity,nhdir)
--minetest.chat_send_all('later_speed: '.. later_speed)
local later_drag = vector.multiply(nhdir,later_speed*later_speed*
PA28_LATER_DRAG_FACTOR*-1*pa28.sign(later_speed))
local accel = vector.add(longit_drag,later_drag)
local stop = false
local node_bellow = mobkit.nodeatpos(mobkit.pos_shift(curr_pos,{y=-1.51}))
local is_flying = true
if node_bellow and node_bellow.drawtype ~= 'airlike' then is_flying = false end
--if is_flying then minetest.chat_send_all('is flying') end
local is_attached = pa28.checkAttach(self, player)
--ajustar angulo de ataque
local percentage = math.abs(((longit_speed * 100)/(pa28.min_speed + 5))/100)
if percentage > 1.5 then percentage = 1.5 end
self._angle_of_attack = self._angle_of_attack - ((self._elevator_angle / 20)*percentage)
if self._angle_of_attack < -0.5 then
self._angle_of_attack = -0.1
self._elevator_angle = self._elevator_angle - 0.1
end --limiting the negative angle]]--
if self._angle_of_attack > 20 then
self._angle_of_attack = 20
self._elevator_angle = self._elevator_angle + 0.1
end --limiting the very high climb angle due to strange behavior]]--
--minetest.chat_send_all(self._angle_of_attack)
-- pitch
local speed_factor = 0
if longit_speed > pa28.min_speed then speed_factor = (velocity.y * math.rad(1)) end
local newpitch = math.rad(self._angle_of_attack) + speed_factor
-- adjust pitch at ground
local tail_lift_min_speed = 4
local tail_angle = 0
if math.abs(longit_speed) < tail_lift_min_speed then
newpitch = math.rad(tail_angle)
end
-- new yaw
if math.abs(self._rudder_angle)>1.5 then
local turn_rate = math.rad(14)
local yaw_turn = self.dtime * math.rad(self._rudder_angle) * turn_rate *
pa28.sign(longit_speed) * math.abs(longit_speed/2)
newyaw = yaw + yaw_turn
end
--roll adjust
---------------------------------
local delta = 0.002
if is_flying then
local roll_reference = newyaw
local sdir = minetest.yaw_to_dir(roll_reference)
local snormal = {x=sdir.z,y=0,z=-sdir.x} -- rightside, dot is negative
local prsr = pa28.dot(snormal,nhdir)
local rollfactor = -90
local roll_rate = math.rad(10)
newroll = (prsr*math.rad(rollfactor)) * (later_speed * roll_rate) * pa28.sign(longit_speed)
--minetest.chat_send_all('newroll: '.. newroll)
else
delta = 0.2
if roll > 0 then
newroll = roll - delta
if newroll < 0 then newroll = 0 end
end
if roll < 0 then
newroll = roll + delta
if newroll > 0 then newroll = 0 end
end
end
---------------------------------
-- end roll
if not is_attached then
-- for some engine error the player can be detached from the machine, so lets set him attached again
pa28.checkattachBug(self)
end
local pilot = player
if self._command_is_given and passenger then
pilot = passenger
else
self._command_is_given = false
end
------------------------------------------------------
--accell calculation block
------------------------------------------------------
if is_attached or passenger then
if self._autopilot ~= true then
accel, stop = pa28.control(self, self.dtime, hull_direction,
longit_speed, longit_drag, later_speed, later_drag, accel, pilot, is_flying)
else
accel = pa28.autopilot(self, self.dtime, hull_direction, longit_speed, accel, curr_pos)
end
end
--end accell
if accel == nil then accel = {x=0,y=0,z=0} end
--lift calculation
accel.y = accel_y
--lets apply some bob in water
if self.isinliquid then
local bob = pa28.minmax(pa28.dot(accel,hull_direction),0.2) -- vertical bobbing
accel.y = accel.y + bob
local max_pitch = 6
local h_vel_compensation = (((longit_speed * 2) * 100)/max_pitch)/100
if h_vel_compensation < 0 then h_vel_compensation = 0 end
if h_vel_compensation > max_pitch then h_vel_compensation = max_pitch end
newpitch = newpitch + (velocity.y * math.rad(max_pitch - h_vel_compensation))
end
local new_accel = accel
if longit_speed > 1.5 then
new_accel = airutils.getLiftAccel(self, velocity, new_accel, longit_speed, roll, curr_pos, pa28.lift, 15000, 12) --I added more 3 meters for wingspan to increase the ground effect for the low wing (the wingspan variable is only used for ground effect)
end
-- end lift
if stop ~= true then --maybe == nil
self._last_accell = new_accel
self.object:move_to(curr_pos)
--self.object:set_velocity(velocity)
if player then
pa28.attach(self, player, self._instruction_mode)
end
mobkit.set_acceleration(self.object, new_accel)
else
if stop == true then
self.object:set_acceleration({x=0,y=0,z=0})
self.object:set_velocity({x=0,y=0,z=0})
end
end
if is_flying == false then --isn't flying?
--animate wheels
if math.abs(longit_speed) > 0.2 then
self.object:set_animation_frame_speed(longit_speed * 20)
else
self.object:set_animation_frame_speed(0)
end
else
--stop wheels
self.object:set_animation_frame_speed(0)
end
------------------------------------------------------
-- end accell
------------------------------------------------------
------------------------------------------------------
-- sound and animation
------------------------------------------------------
pa28.engine_set_sound_and_animation(self)
------------------------------------------------------
--adjust climb indicator
local climb_rate = velocity.y
if climb_rate > 5 then climb_rate = 5 end
if climb_rate < -5 then
climb_rate = -5
end
--is an stall, force a recover
if longit_speed < (pa28.min_speed / 2) and climb_rate < -3.5 and is_flying then
self._elevator_angle = 0
self._angle_of_attack = -2
newpitch = math.rad(self._angle_of_attack)
end
--minetest.chat_send_all('rate '.. climb_rate)
local climb_angle = pa28.get_gauge_angle(climb_rate)
self.object:set_bone_position("climber", {x=-1.98,y=2.40,z=10.2}, {x=0,y=0,z=climb_angle-90})
local indicated_speed = longit_speed * 0.9
if indicated_speed < 0 then indicated_speed = 0 end
local speed_angle = pa28.get_gauge_angle(indicated_speed, -45)
self.object:set_bone_position("speed", {x=-7.01,y=1.26,z=10.2}, {x=0,y=0,z=speed_angle})
local energy_indicator_angle = pa28.get_gauge_angle((PA28_MAX_FUEL - self._energy)/1.5) - 90
self.object:set_bone_position("fuel", {x=0, y=0, z=10.2}, {x=0, y=0, z=-energy_indicator_angle+180})
self.object:set_bone_position("compass", {x=0, y=2.8, z=10.3}, {x=0, y=0, z=-(math.deg(newyaw))})
self.object:set_bone_position("compass_plan", {x=0, y=2.8, z=10.25}, {x=0, y=0, z=0})
--altimeter
local altitude = (curr_pos.y / 0.32) / 100
local hour, minutes = math.modf( altitude )
hour = math.fmod (hour, 10)
minutes = minutes * 100
minutes = (minutes * 100) / 100
local minute_angle = (minutes*-360)/100
local hour_angle = (hour*-360)/10 + ((minute_angle*36)/360)
self.object:set_bone_position("altimeter_pt_1", {x=-4.63, y=2.4, z=10.2}, {x=0, y=0, z=(hour_angle)})
self.object:set_bone_position("altimeter_pt_2", {x=-4.63, y=2.4, z=10.2}, {x=0, y=0, z=(minute_angle)})
if is_attached then
if self._show_hud then
pa28.update_hud(player, climb_angle, speed_angle)
else
pa28.remove_hud(player)
end
end
--adjust power indicator
local power_indicator_angle = pa28.get_gauge_angle(self._power_lever/6.5)
self.object:set_bone_position("power", {x=2.8,y=2.40,z=10.2}, {x=0,y=0,z=power_indicator_angle - 90})
if is_flying == false then
-- new yaw
local turn_rate = math.rad(30)
local yaw_turn = self.dtime * math.rad(self._rudder_angle) * turn_rate *
pa28.sign(longit_speed) * math.abs(longit_speed/2)
newyaw = yaw + yaw_turn
end
--apply rotations
self.object:set_rotation({x=newpitch,y=newyaw,z=newroll})
--end
--adjust elevator pitch (3d model)
self.object:set_bone_position("elevator", {x=0, y=2.5, z=-45}, {x=(-self._elevator_angle/3) - 90, y=0, z=0})
--adjust rudder
self.object:set_bone_position("rudder", {x=0,y=0,z=0}, {x=0,y=self._rudder_angle,z=0})
--adjust ailerons
self.object:set_bone_position("aileron.r", {x=0,y=0,z=0}, {x=-self._rudder_angle - 90,y=0,z=0})
self.object:set_bone_position("aileron.l", {x=0,y=0,z=0}, {x=self._rudder_angle - 90,y=0,z=0})
--set stick position
local stick_z = 9 + (self._elevator_angle / pa28.elevator_limit )
self.object:set_bone_position("stick.l", {x=-4.25, y=0.5, z=stick_z}, {x=0,y=0,z=self._rudder_angle})
self.object:set_bone_position("stick.r", {x=4.25, y=0.5, z=stick_z}, {x=0,y=0,z=self._rudder_angle})
if self._wing_configuration == pa28.wing_angle_of_attack and self._flap then
pa28.flap_on(self)
end
if self._wing_configuration ~= pa28.wing_angle_of_attack and self._flap == false then
pa28.flap_off(self)
end
if longit_speed > 8.5 and self._flap == true then
if is_attached and self.driver_name then
minetest.chat_send_player(self.driver_name, core.colorize('#ff0000', " >>> Flap retracted due for overspeed"))
end
self._flap = false
end
-- calculate energy consumption --
pa28.consumptionCalc(self, accel)
--test collision
pa28.testImpact(self, velocity, curr_pos)
--saves last velocity for collision detection (abrupt stop)
self._last_vel = self.object:get_velocity()
end