Files
game-antum/mods/transport/helicopter/init.lua
2016-08-04 14:35:24 -07:00

272 lines
6.6 KiB
Lua

--
-- Helper functions
--
local function get_sign(i)
if i == 0 then
return 0
else
return i/math.abs(i)
end
end
--
-- Heli entity
--
local heli = {
physical = true,
collisionbox = {-1,-0.6,-1, 1,0.3,1},
makes_footstep_sound = false,
collide_with_objects = true,
visual = "mesh",
mesh = "root.x",
--Player
driver = nil,
--Heli mesh
model = nil,
--Rotation
yaw=0,
--Speeds
vx=0,
vy=0,
vz=0,
soundHandle=nil
}
local heliModel = {
visual = "mesh",
mesh = "heli.x",
textures = {"blades.png","blades.png","heli.png","Glass.png"},
}
function heli:on_rightclick(clicker)
if not clicker or not clicker:is_player() then
return
end
if self.driver and clicker == self.driver then
clicker:set_detach()
self.driver = nil
self.model:set_animation({x=0,y=1},0, 0)
minetest.sound_stop(self.soundHandle)
elseif not self.driver then
self.soundHandle=minetest.sound_play({name="helicopter_motor"},{object = self.object, gain = 2.0, max_hear_distance = 32, loop = true,})
self.model:set_animation({x=0,y=11},30, 0)
self.driver = clicker
clicker:set_attach(self.model, "", {x=0,y=14,z=0}, {x=0,y=0,z=0})
end
end
function heliModel:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
local is_attached = false
for _,object in ipairs(minetest.env:get_objects_inside_radius(self.object:getpos(), 2)) do
if object and object:get_luaentity() and object:get_luaentity().name=="helicopter:heli" then
if object:get_luaentity().model == nil then
object:get_luaentity().model = self
end
if object:get_luaentity().model == self then
is_attached = true
end
end
end
if is_attached == false then
self.object:remove()
end
end
function heli:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({cracky=80,choppy=80,fleshy=80})
self.object:set_hp(30)
self.prev_y=self.object:getpos()
if self.model == nil then
self.model = minetest.env:add_entity(self.object:getpos(), "helicopter:heliModel")
self.model:set_attach(self.object, "", {x=0,y=-5,z=0}, {x=0,y=0,z=0})
end
end
function heli:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
if self.object:get_hp() == 0 then
if self.model ~= nil then
self.model:remove()
end
if self.soundHandle then
minetest.sound_stop(self.soundHandle)
end
self.object:remove()
if puncher and puncher:is_player() then
puncher:get_inventory():add_item("main", "default:steel_ingot 5")
puncher:get_inventory():add_item("main", "default:mese_crystal")
end
end
end
function heliModel:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
self.object:remove()
end
function heli:on_step(dtime)
--Prevent multi heli control bug
if self.driver and ( math.abs(self.driver:getpos().x-self.object:getpos().x)>10*dtime or math.abs(self.driver:getpos().y-self.object:getpos().y)>10*dtime or math.abs(self.driver:getpos().z-self.object:getpos().z)>10*dtime) then
self.driver = nil
self.model:set_animation({x=0,y=1},0, 0)
minetest.sound_stop(self.soundHandle)
end
if self.driver then
--self.driver:set_animation({ x= 81, y=160, },10,0)
self.yaw = self.driver:get_look_yaw()
self.vx = self.object:getvelocity().x
self.vy = self.object:getvelocity().y
self.vz = self.object:getvelocity().z
local ctrl = self.driver:get_player_control()
--Forward/backward
if ctrl.up then
self.vx = self.vx + math.cos(self.driver:get_look_yaw())*0.1
self.vz = self.vz + math.sin(self.driver:get_look_yaw())*0.1
end
if ctrl.down then
self.vx = self.vx-math.cos(self.driver:get_look_yaw())*0.1
self.vz = self.vz-math.sin(self.driver:get_look_yaw())*0.1
end
--Left/right
if ctrl.left then
self.vz = self.vz+math.cos(self.driver:get_look_yaw())*0.1
self.vx = self.vx+math.sin(math.pi+self.driver:get_look_yaw())*0.1
end
if ctrl.right then
self.vz = self.vz-math.cos(self.driver:get_look_yaw())*0.1
self.vx = self.vx-math.sin(math.pi+self.driver:get_look_yaw())*0.1
end
--up/down
if ctrl.jump then
if self.vy<1.5 then
self.vy = self.vy+0.2
end
end
if ctrl.sneak then
if self.vy>-1.5 then
self.vy = self.vy-0.2
end
end
--
end
if self.vx==0 and self.vz==0 and self.vy==0 then
return
end
--Decelerating
local sx=get_sign(self.vx)
self.vx = self.vx - 0.02*sx
local sz=get_sign(self.vz)
self.vz = self.vz - 0.02*sz
local sy=get_sign(self.vy)
self.vy = self.vy-0.01*sy
--Stop
if sx ~= get_sign(self.vx) then
self.vx = 0
end
if sz ~= get_sign(self.vz) then
self.vz = 0
end
if sy ~= get_sign(self.vy) then
self.vy = 0
end
--Speed limit
if math.abs(self.vx) > 4.5 then
self.vx = 4.5*get_sign(self.vx)
end
if math.abs(self.vz) > 4.5 then
self.vz = 4.5*get_sign(self.vz)
end
if math.abs(self.vy) > 4.5 then
self.vz = 4.5*get_sign(self.vy)
end
--Set speed to entity
self.object:setvelocity({x=self.vx, y=self.vy,z=self.vz})
if self.model then
self.model:set_attach(self.object,"Root", {x=0,y=0,z=5}, {
x=-90+self.vx*3*math.cos(self.yaw)+self.vz*3*math.sin(self.yaw),
y=0-self.vx*3*math.sin(self.yaw)+self.vz*3*math.cos(self.yaw),
z=(self.yaw-math.pi/2)*57})
end
end
--
--Registration
--
minetest.register_entity("helicopter:heli", heli)
minetest.register_entity("helicopter:heliModel", heliModel)
--
--Craft items
--
--Blades
minetest.register_craftitem("helicopter:blades",{
description = "Blades",
inventory_image = "blades_inv.png",
wield_image = "blades_inv.png",
})
--Cabin
minetest.register_craftitem("helicopter:cabin",{
description = "Cabin for heli",
inventory_image = "cabin_inv.png",
wield_image = "cabin_inv.png",
})
--Heli
minetest.register_craftitem("helicopter:heli", {
description = "Helicopter",
inventory_image = "heli_inv.png",
wield_image = "heli_inv.png",
wield_scale = {x=1, y=1, z=1},
liquids_pointable = false,
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return
end
if minetest.get_node(pointed_thing.above).name ~= "air" then
return
end
minetest.env:add_entity(pointed_thing.above, "helicopter:heli")
itemstack:take_item()
return itemstack
end,
})
--
--Craft
--
minetest.register_craft({
output = 'helicopter:blades',
recipe = {
{'', 'default:steel_ingot', ''},
{'default:steel_ingot', 'group:stick', 'default:steel_ingot'},
{'', 'default:steel_ingot', ''},
}
})
minetest.register_craft({
output = 'helicopter:cabin',
recipe = {
{'', 'group:wood', ''},
{'group:wood', 'default:mese_crystal','default:glass'},
{'group:wood','group:wood','group:wood'},
}
})
minetest.register_craft({
output = 'helicopter:heli',
recipe = {
{'', 'helicopter:blades', ''},
{'helicopter:blades', 'helicopter:cabin',''},
}
})