summer/barche.lua
Vitaliy Olkhin 2e125601e8 init
2024-06-28 17:44:25 +05:00

268 lines
6.5 KiB
Lua

local function is_water(pos)
local nn = minetest.get_node(pos).name
return minetest.get_item_group(nn, "water") ~= 0
end
local function get_sign(i)
if i == 0 then
return 0
else
return i / math.abs(i)
end
end
local function get_velocity(v, yaw, y)
local x = -math.sin(yaw) * v
local z = math.cos(yaw) * v
return {x = x, y = y, z = z}
end
local function get_v(v)
return math.sqrt(v.x ^ 2 + v.z ^ 2)
end
local function reg_barca(color)
local barca_item_name = "summer:barca_"..color.."_item"
local barca_ent_name = "summer:barca_"..color.."_entity"
--
-- Boat entity
--
local barca = {
physical = true,
collisionbox = {-2.5, -0.5, -2.5, 2.5, 0.3, 2.5},
visual = "mesh",
mesh = "barca.x",--"barcal.obj",
textures = {"barca_"..color..".png" },
driver = nil,
v = 0,
last_v = 0,
removed = false
}
function barca.on_rightclick(self, clicker)
if not clicker or not clicker:is_player() then
return
end
local name = clicker:get_player_name()
if self.driver and clicker == self.driver then
self.driver = nil
clicker:set_detach()
default.player_attached[name] = false
default.player_set_animation(clicker, "stand" , 30)
local pos = clicker:getpos()
pos = {x = pos.x, y = pos.y + 0.2, z = pos.z}
minetest.after(0.1, function()
clicker:setpos(pos)
end)
elseif not self.driver then
local attach = clicker:get_attach()
if attach and attach:get_luaentity() then
local luaentity = attach:get_luaentity()
if luaentity.driver then
luaentity.driver = nil
end
clicker:set_detach()
end
self.driver = clicker
clicker:set_attach(self.object, "",
{x = 0, y = 11, z = -3}, {x = 0, y = 0, z = 0})
default.player_attached[name] = true
minetest.after(0.2, function()
default.player_set_animation(clicker, "sit" , 30)
end)
self.object:setyaw(clicker:get_look_yaw() - math.pi / 2)
end
end
function barca.on_activate(self, staticdata, dtime_s)
self.object:set_armor_groups({immortal = 1})
if staticdata then
self.v = tonumber(staticdata)
end
self.last_v = self.v
end
function barca.get_staticdata(self)
return tostring(self.v)
end
function barca.on_punch(self, puncher)
if not puncher or not puncher:is_player() or self.removed then
return
end
if self.driver and puncher == self.driver then
self.driver = nil
puncher:set_detach()
default.player_attached[puncher:get_player_name()] = false
end
if not self.driver then
self.removed = true
-- delay remove to ensure player is detached
minetest.after(0.1, function()
self.object:remove()
end)
if not minetest.setting_getbool("creative_mode") then
local inv = puncher:get_inventory()
if inv:room_for_item("main", "summer:barca_"..color.."_item") then
inv:add_item("main", "summer:barca_"..color.."_item")
else
minetest.add_item(self.object:getpos(), barca_item_name)
end
end
end
end
function barca.on_step(self, dtime)
self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
if self.driver then
local ctrl = self.driver:get_player_control()
local yaw = self.object:getyaw()
if ctrl.up then
self.v = self.v + 0.1
elseif ctrl.down then
self.v = self.v - 0.1
end
if ctrl.left then
if self.v < 0 then
self.object:setyaw(yaw - (1 + dtime) * 0.03)
else
self.object:setyaw(yaw + (1 + dtime) * 0.03)
end
elseif ctrl.right then
if self.v < 0 then
self.object:setyaw(yaw + (1 + dtime) * 0.03)
else
self.object:setyaw(yaw - (1 + dtime) * 0.03)
end
end
end
local velo = self.object:getvelocity()
if self.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then
self.object:setpos(self.object:getpos())
return
end
local s = get_sign(self.v)
self.v = self.v - 0.02 * s
if s ~= get_sign(self.v) then
self.object:setvelocity({x = 0, y = 0, z = 0})
self.v = 0
return
end
if math.abs(self.v) > 5 then
self.v = 5 * get_sign(self.v)
end
local p = self.object:getpos()
p.y = p.y - 0.5
local new_velo = {x = 0, y = 0, z = 0}
local new_acce = {x = 0, y = 0, z = 0}
if not is_water(p) then
local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
if (not nodedef) or nodedef.walkable then
self.v = 0
new_acce = {x = 0, y = 2, z = 0}
else
new_acce = {x = 0, y = -1.8, z = 0}
end
new_velo = get_velocity(self.v, self.object:getyaw(),
self.object:getvelocity().y)
self.object:setpos(self.object:getpos())
else
p.y = p.y + 1
if is_water(p) then
local y = self.object:getvelocity().y
if y >= 7 then
y = 7
elseif y < 0 then
new_acce = {x = 0, y = 50, z = 0}
else
new_acce = {x = 0, y = 7, z = 0}
end
new_velo = get_velocity(self.v, self.object:getyaw(), y)
self.object:setpos(self.object:getpos())
else
new_acce = {x = 0, y = 0, z = 0}
if math.abs(self.object:getvelocity().y) < 1 then
local pos = self.object:getpos()
pos.y = math.floor(pos.y) + 1.
self.object:setpos(pos)
new_velo = get_velocity(self.v, self.object:getyaw(), 0)
else
new_velo = get_velocity(self.v, self.object:getyaw(),
self.object:getvelocity().y)
self.object:setpos(self.object:getpos())
end
end
end
self.object:setvelocity(new_velo)
self.object:setacceleration(new_acce)
end
minetest.register_entity("summer:barca_"..color.."", barca)
minetest.register_craftitem(barca_item_name, {
description = "Barca ("..color..")",
inventory_image = "barca_"..color.."_inv.png",
wield_image = "barca_"..color.."_inv.png",
wield_scale = {x = 2, y = 2, z = 1},
liquids_pointable = true,
on_place = function(itemstack, placer, pointed_thing)
if pointed_thing.type ~= "node" then
return
end
if not is_water(pointed_thing.under) then
return
end
pointed_thing.under.y = pointed_thing.under.y + 0.5
minetest.add_entity(pointed_thing.under, "summer:barca_"..color.."")
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end,
})
if minetest.get_modpath("cannabis") then
minetest.register_craft({
output = barca_item_name,
recipe = {
{"" , "" , "" },
{"cannabis:canapa_plastic", "wool:"..color, "cannabis:canapa_plastic"},
{"cannabis:canapa_plastic", "cannabis:canapa_plastic", "cannabis:canapa_plastic"},
},
})
end
minetest.register_craft({
output = barca_item_name,
recipe = {
{"" , "" , "" },
{"group:wood", "wool:"..color, "group:wood"},
{"group:wood","group:wood","group:wood"},
},
})
end
colors = {
"black", "red", "green", "blue", "yellow", "violet","orange",
}
for _,color in ipairs(colors) do
reg_barca(color)
end