airutils/init.lua

320 lines
11 KiB
Lua
Raw Normal View History

2021-05-19 18:01:39 +00:00
-- Minetest 5.4.1 : airutils
2021-05-19 17:37:40 +00:00
2021-05-19 18:01:39 +00:00
airutils = {}
2021-05-19 17:37:40 +00:00
2022-02-12 17:23:43 +00:00
airutils.colors ={
black='#2b2b2b',
blue='#0063b0',
brown='#8c5922',
cyan='#07B6BC',
dark_green='#567a42',
dark_grey='#6d6d6d',
green='#4ee34c',
grey='#9f9f9f',
magenta='#ff0098',
orange='#ff8b0e',
pink='#ff62c6',
red='#dc1818',
violet='#a437ff',
white='#FFFFFF',
yellow='#ffe400',
}
airutils.fuel = {['biofuel:biofuel'] = 1,['biofuel:bottle_fuel'] = 1,
['biofuel:phial_fuel'] = 0.25, ['biofuel:fuel_can'] = 10}
2021-05-22 17:22:24 +00:00
dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_papi.lua")
dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_tug.lua")
2021-12-12 14:24:42 +00:00
dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_repair.lua")
dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "inventory_management.lua")
if player_api then
dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "pilot_skin_manager.lua")
end
2021-05-19 17:37:40 +00:00
2021-05-19 18:01:39 +00:00
function airutils.remove(pos)
2021-05-19 17:37:40 +00:00
local meta = core.get_meta(pos)
if meta:get_string("dont_destroy") == "true" then
-- when swapping it
return
end
end
2021-05-19 18:01:39 +00:00
function airutils.canDig(pos, player)
2021-05-19 17:37:40 +00:00
local meta = core.get_meta(pos)
return meta:get_string("dont_destroy") ~= "true"
and player:get_player_name() == meta:get_string("owner")
end
2022-01-31 22:09:08 +00:00
function airutils.check_node_below(obj, how_low)
2022-01-31 19:57:14 +00:00
local pos_below = obj:get_pos()
if pos_below then
2022-01-31 22:09:08 +00:00
pos_below.y = pos_below.y - how_low
2022-01-31 19:57:14 +00:00
local node_below = minetest.get_node(pos_below).name
local nodedef = minetest.registered_nodes[node_below]
local touching_ground = not nodedef or -- unknown nodes are solid
nodedef.walkable or false
local liquid_below = not touching_ground and nodedef.liquidtype ~= "none"
return touching_ground, liquid_below
end
return nil, nil
end
function airutils.check_is_under_water(obj)
local pos_up = obj:get_pos()
pos_up.y = pos_up.y + 0.1
local node_up = minetest.get_node(pos_up).name
local nodedef = minetest.registered_nodes[node_up]
local liquid_up = nodedef.liquidtype ~= "none"
return liquid_up
end
function airutils.setText(self, vehicle_name)
local properties = self.object:get_properties()
local formatted = ""
if self.hp_max then
formatted = " Current hp: " .. string.format(
"%.2f", self.hp_max
)
end
if properties then
properties.infotext = "Nice ".. vehicle_name .." of " .. self.owner .. "." .. formatted
self.object:set_properties(properties)
end
end
function airutils.transfer_control(self, status)
if status == false then
self._command_is_given = false
if self._passenger then
minetest.chat_send_player(self._passenger,
core.colorize('#ff0000', " >>> The captain got the control."))
end
if self.driver_name then
minetest.chat_send_player(self.driver_name,
core.colorize('#00ff00', " >>> The control is with you now."))
end
else
self._command_is_given = true
if self._passenger then
minetest.chat_send_player(self._passenger,
core.colorize('#00ff00', " >>> The control is with you now."))
end
if self.driver_name then minetest.chat_send_player(self.driver_name," >>> The control was given.") end
end
end
--returns 0 for old, 1 for new
function airutils.detect_player_api(player)
local player_proterties = player:get_properties()
local mesh = "character.b3d"
if player_proterties.mesh == mesh then
local models = player_api.registered_models
local character = models[mesh]
if character then
if character.animations.sit.eye_height then
return 1
else
return 0
end
end
end
return 0
end
2022-02-25 22:00:38 +00:00
local function get_nodedef_field(nodename, fieldname)
if not minetest.registered_nodes[nodename] then
return nil
end
return minetest.registered_nodes[nodename][fieldname]
end
--for
function airutils.eval_vertical_interception(initial_pos, end_pos)
local ret_y = nil
local cast = minetest.raycast(initial_pos, end_pos, true, true)
local thing = cast:next()
while thing do
if thing.type == "node" then
local pos = thing.intersection_point
if pos then
local nodename = minetest.get_node(thing.under).name
local drawtype = get_nodedef_field(nodename, "drawtype")
if drawtype ~= "plantlike" then
ret_y = pos.y
break
end
end
end
thing = cast:next()
end
return ret_y
end
2022-01-31 19:57:14 +00:00
--lift
local function pitchroll2pitchyaw(aoa,roll)
if roll == 0.0 then return aoa,0 end
-- assumed vector x=0,y=0,z=1
local p1 = math.tan(aoa)
local y = math.cos(roll)*p1
local x = math.sqrt(p1^2-y^2)
local pitch = math.atan(y)
local yaw=math.atan(x)*math.sign(roll)
return pitch,yaw
end
2022-02-25 22:00:38 +00:00
function lerp(a, b, c)
return a + (b - a) * c
end
function quadBezier(t, p0, p1, p2)
local l1 = lerp(p0, p1, t)
local l2 = lerp(p1, p2, t)
local quad = lerp(l1, l2, t)
return quad
end
function airutils.get_ground_effect_lift(self, curr_pos, lift, wingspan)
local half_wingspan = wingspan/2
2022-02-25 23:01:27 +00:00
local lower_collision = self.initial_properties.collisionbox[2]
local initial_pos = {x=curr_pos.x, y=curr_pos.y + lower_collision, z=curr_pos.z} --lets make my own table to avoid interferences
if self._extra_lift == nil then self._extra_lift = 0 end
2022-02-25 22:00:38 +00:00
if self._last_ground_effect_eval == nil then self._last_ground_effect_eval = 0 end
2022-02-25 23:01:27 +00:00
2022-02-25 22:00:38 +00:00
self._last_ground_effect_eval = self._last_ground_effect_eval + self.dtime --dtime cames from mobkit
2022-02-25 23:01:27 +00:00
2022-02-25 22:00:38 +00:00
local ground_distance = wingspan
2022-02-25 23:01:27 +00:00
if self._last_ground_effect_eval >= 0.25 then
self._last_ground_effect_eval = 0
self._last_ground_distance = ground_distance
2022-02-25 22:00:38 +00:00
local ground_y = airutils.eval_vertical_interception(initial_pos, {x=initial_pos.x, y=initial_pos.y - half_wingspan, z=initial_pos.z})
if ground_y then
2022-02-25 23:01:27 +00:00
ground_distance = initial_pos.y - ground_y
2022-02-25 22:00:38 +00:00
end
2022-02-25 23:01:27 +00:00
--minetest.chat_send_all(dump(ground_distance))
2022-02-25 22:00:38 +00:00
2022-02-25 23:01:27 +00:00
--smooth the curve
local distance_factor = ((ground_distance) * 1) / (wingspan)
local effect_factor = quadBezier(distance_factor, 0, wingspan, 0)
if effect_factor < 0 then effect_factor = 0 end
if effect_factor > 0 then
effect_factor = math.abs( half_wingspan - effect_factor )
end
local lift_factor = ((effect_factor) * 1) / (half_wingspan) --agora isso é um percentual
local max_extra_lift_percent = 0.5 * lift --e aqui o maximo extra de sustentação
local extra_lift = max_extra_lift_percent * lift_factor
self._extra_lift = extra_lift
end
2022-02-25 22:00:38 +00:00
2022-02-25 23:01:27 +00:00
return self._extra_lift --return the value stored
2022-02-25 22:00:38 +00:00
end
-- velocity: velocity table
-- accel: current acceleration
-- longit_speed: the vehicle speed
-- roll: roll angle
-- curr_pos: current position
-- lift: lift factor (very simplified)
-- max_height: the max ceilling for the airplane
-- wingspan: for ground effect calculation
function airutils.getLiftAccel(self, velocity, accel, longit_speed, roll, curr_pos, lift, max_height, wingspan)
wingspan = wingspan or 10
local ground_effect_extra_lift = airutils.get_ground_effect_lift(self, curr_pos, lift, wingspan)
--minetest.chat_send_all('lift: '.. lift ..' - extra lift: '.. ground_effect_extra_lift)
lift = lift + ground_effect_extra_lift
2022-01-31 19:57:14 +00:00
--lift calculations
-----------------------------------------------------------
max_height = max_height or 20000
local wing_config = 0
if self._wing_configuration then wing_config = self._wing_configuration end --flaps!
local retval = accel
if longit_speed > 1 then
local angle_of_attack = math.rad(self._angle_of_attack + wing_config)
--local acc = 0.8
local daoa = deg(angle_of_attack)
--to decrease the lift coefficient at hight altitudes
local curr_percent_height = (100 - ((curr_pos.y * 100) / max_height))/100
2021-05-20 18:38:34 +00:00
2022-01-31 19:57:14 +00:00
local rotation=self.object:get_rotation()
local vrot = mobkit.dir_to_rot(velocity,rotation)
local hpitch,hyaw = pitchroll2pitchyaw(angle_of_attack,roll)
2021-05-19 17:37:40 +00:00
2022-01-31 19:57:14 +00:00
local hrot = {x=vrot.x+hpitch,y=vrot.y-hyaw,z=roll}
local hdir = mobkit.rot_to_dir(hrot) --(hrot)
local cross = vector.cross(velocity,hdir)
local lift_dir = vector.normalize(vector.cross(cross,hdir))
local lift_coefficient = (0.24*abs(daoa)*(1/(0.025*daoa+3))^4*math.sign(angle_of_attack))
local lift_val = math.abs((lift*(vector.length(velocity)^2)*lift_coefficient)*curr_percent_height)
--minetest.chat_send_all('lift: '.. lift_val)
local lift_acc = vector.multiply(lift_dir,lift_val)
--lift_acc=vector.add(vector.multiply(minetest.yaw_to_dir(rotation.y),acc),lift_acc)
retval = vector.add(retval,lift_acc)
end
-----------------------------------------------------------
-- end lift
return retval
end
2022-02-12 17:23:43 +00:00
function airutils.set_paint(self, puncher, itmstck, texture_name)
local item_name = ""
if itmstck then item_name = itmstck:get_name() end
if item_name == "automobiles_lib:painter" or item_name == "bike:painter" then
--painting with bike painter
local meta = itmstck:get_meta()
local colstr = meta:get_string("paint_color")
--minetest.chat_send_all(dump(colstr))
airutils.paint(self, colstr, texture_name)
return true
else
--painting with dyes
local split = string.split(item_name, ":")
local color, indx, _
if split[1] then _,indx = split[1]:find('dye') end
if indx then
for clr,_ in pairs(airutils.colors) do
local _,x = split[2]:find(clr)
if x then color = clr end
end
--lets paint!!!!
--local color = item_name:sub(indx+1)
local colstr = airutils.colors[color]
--minetest.chat_send_all(color ..' '.. dump(colstr))
if colstr then
airutils.paint(self, colstr, texture_name)
itmstck:set_count(itmstck:get_count()-1)
puncher:set_wielded_item(itmstck)
return true
end
-- end painting
end
end
return false
end
--painting
function airutils.paint(self, colstr, texture_name)
if colstr then
self._color = colstr
local l_textures = self.initial_properties.textures
for _, texture in ipairs(l_textures) do
local indx = texture:find(texture_name)
if indx then
l_textures[_] = texture_name.."^[multiply:".. colstr
end
end
self.object:set_properties({textures=l_textures})
end
end