forked from VoxeLibre/VoxeLibre
476 lines
14 KiB
Lua
476 lines
14 KiB
Lua
local S = minetest.get_translator("mcl_boats")
|
|
|
|
local boat_visual_size = {x = 1, y = 1, z = 1}
|
|
local paddling_speed = 22
|
|
local boat_y_offset = 0.35
|
|
local boat_y_offset_ground = boat_y_offset + 0.6
|
|
local boat_side_offset = 1.001
|
|
local boat_max_hp = 4
|
|
|
|
local function is_group(pos, group)
|
|
local nn = minetest.get_node(pos).name
|
|
return minetest.get_item_group(nn, group) ~= 0
|
|
end
|
|
|
|
local is_water = flowlib.is_water
|
|
|
|
local function is_ice(pos)
|
|
return is_group(pos, "ice")
|
|
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 check_object(obj)
|
|
return obj and (obj:is_player() or obj:get_luaentity()) and obj
|
|
end
|
|
|
|
local function get_visual_size(obj)
|
|
return obj:is_player() and {x = 1, y = 1, z = 1} or obj:get_luaentity()._old_visual_size or obj:get_properties().visual_size
|
|
end
|
|
|
|
local function set_attach(boat)
|
|
boat._driver:set_attach(boat.object, "",
|
|
{x = 0, y = 0.42, z = -1}, {x = 0, y = 0, z = 0})
|
|
end
|
|
|
|
local function set_double_attach(boat)
|
|
boat._driver:set_attach(boat.object, "",
|
|
{x = 0, y = 0.42, z = 0.8}, {x = 0, y = 0, z = 0})
|
|
boat._passenger:set_attach(boat.object, "",
|
|
{x = 0, y = 0.42, z = -2.2}, {x = 0, y = 0, z = 0})
|
|
end
|
|
|
|
local function attach_object(self, obj)
|
|
if self._driver then
|
|
if self._driver:is_player() then
|
|
self._passenger = obj
|
|
else
|
|
self._passenger = self._driver
|
|
self._driver = obj
|
|
end
|
|
set_double_attach(self)
|
|
else
|
|
self._driver = obj
|
|
set_attach(self)
|
|
end
|
|
|
|
local visual_size = get_visual_size(obj)
|
|
local yaw = self.object:get_yaw()
|
|
obj:set_properties({visual_size = vector.divide(visual_size, boat_visual_size)})
|
|
|
|
if obj:is_player() then
|
|
local name = obj:get_player_name()
|
|
mcl_player.player_attached[name] = true
|
|
minetest.after(0.2, function(name)
|
|
local player = minetest.get_player_by_name(name)
|
|
if player then
|
|
mcl_player.player_set_animation(player, "sit" , 30)
|
|
end
|
|
end, name)
|
|
obj:set_look_horizontal(yaw)
|
|
mcl_tmp_message.message(obj, S("Sneak to dismount"))
|
|
else
|
|
obj:get_luaentity()._old_visual_size = visual_size
|
|
end
|
|
end
|
|
|
|
local function detach_object(obj, change_pos)
|
|
obj:set_detach()
|
|
obj:set_properties({visual_size = get_visual_size(obj)})
|
|
if obj:is_player() then
|
|
mcl_player.player_attached[obj:get_player_name()] = false
|
|
mcl_player.player_set_animation(obj, "stand" , 30)
|
|
else
|
|
obj:get_luaentity()._old_visual_size = nil
|
|
end
|
|
if change_pos then
|
|
obj:set_pos(vector.add(obj:get_pos(), vector.new(0, 0.2, 0)))
|
|
end
|
|
end
|
|
|
|
--
|
|
-- Boat entity
|
|
--
|
|
|
|
local boat = {
|
|
physical = true,
|
|
-- Warning: Do not change the position of the collisionbox top surface,
|
|
-- lowering it causes the boat to fall through the world if underwater
|
|
collisionbox = {-0.5, -0.35, -0.5, 0.5, 0.3, 0.5},
|
|
visual = "mesh",
|
|
mesh = "mcl_boats_boat.b3d",
|
|
textures = {"mcl_boats_texture_oak_boat.png"},
|
|
visual_size = boat_visual_size,
|
|
hp_max = boat_max_hp,
|
|
damage_texture_modifier = "^[colorize:white:0",
|
|
|
|
_driver = nil, -- Attached driver (player) or nil if none
|
|
_passenger = nil,
|
|
_v = 0, -- Speed
|
|
_last_v = 0, -- Temporary speed variable
|
|
_removed = false, -- If true, boat entity is considered removed (e.g. after punch) and should be ignored
|
|
_itemstring = "mcl_boats:boat", -- Itemstring of the boat item (implies boat type)
|
|
_animation = 0, -- 0: not animated; 1: paddling forwards; -1: paddling forwards
|
|
_regen_timer = 0,
|
|
_damage_anim = 0,
|
|
}
|
|
|
|
minetest.register_on_respawnplayer(detach_object)
|
|
|
|
function boat.on_rightclick(self, clicker)
|
|
if self._passenger or not clicker or clicker:get_attach() then
|
|
return
|
|
end
|
|
attach_object(self, clicker)
|
|
end
|
|
|
|
|
|
function boat.on_activate(self, staticdata, dtime_s)
|
|
self.object:set_armor_groups({fleshy = 100})
|
|
local data = minetest.deserialize(staticdata)
|
|
if type(data) == "table" then
|
|
self._v = data.v
|
|
self._last_v = self._v
|
|
self._itemstring = data.itemstring
|
|
self.object:set_properties({textures = data.textures})
|
|
end
|
|
end
|
|
|
|
function boat.get_staticdata(self)
|
|
return minetest.serialize({
|
|
v = self._v,
|
|
itemstring = self._itemstring,
|
|
textures = self.object:get_properties().textures
|
|
})
|
|
end
|
|
|
|
function boat.on_death(self, killer)
|
|
mcl_burning.extinguish(self.object)
|
|
|
|
if killer and killer:is_player() and minetest.is_creative_enabled(killer:get_player_name()) then
|
|
local inv = killer:get_inventory()
|
|
if not inv:contains_item("main", self._itemstring) then
|
|
inv:add_item("main", self._itemstring)
|
|
end
|
|
else
|
|
minetest.add_item(self.object:get_pos(), self._itemstring)
|
|
end
|
|
if self._driver then
|
|
detach_object(self._driver)
|
|
end
|
|
if self._passenger then
|
|
detach_object(self._passenger)
|
|
end
|
|
self._driver = nil
|
|
self._passenger = nil
|
|
end
|
|
|
|
function boat.on_punch(self, puncher, time_from_last_punch, tool_capabilities, dir, damage)
|
|
if damage > 0 then
|
|
self._regen_timer = 0
|
|
end
|
|
end
|
|
|
|
function boat.on_step(self, dtime, moveresult)
|
|
mcl_burning.tick(self.object, dtime, self)
|
|
|
|
self._v = get_v(self.object:get_velocity()) * get_sign(self._v)
|
|
local v_factor = 1
|
|
local v_slowdown = 0.02
|
|
local p = self.object:get_pos()
|
|
local on_water = true
|
|
local on_ice = false
|
|
local in_water = is_water({x=p.x, y=p.y-boat_y_offset+1, z=p.z})
|
|
local waterp = {x=p.x, y=p.y-boat_y_offset - 0.1, z=p.z}
|
|
if not is_water(waterp) then
|
|
on_water = false
|
|
if not in_water and is_ice(waterp) then
|
|
on_ice = true
|
|
else
|
|
v_slowdown = 0.04
|
|
v_factor = 0.5
|
|
end
|
|
elseif in_water then
|
|
on_water = false
|
|
in_water = true
|
|
v_factor = 0.75
|
|
v_slowdown = 0.05
|
|
end
|
|
|
|
local hp = self.object:get_hp()
|
|
local regen_timer = self._regen_timer + dtime
|
|
if hp >= boat_max_hp then
|
|
regen_timer = 0
|
|
elseif regen_timer >= 0.5 then
|
|
hp = hp + 1
|
|
self.object:set_hp(hp)
|
|
regen_timer = 0
|
|
end
|
|
self._regen_timer = regen_timer
|
|
|
|
if moveresult and moveresult.collides then
|
|
for _, collision in pairs(moveresult.collisions) do
|
|
local pos = collision.node_pos
|
|
if collision.type == "node" and minetest.get_item_group(minetest.get_node(pos).name, "dig_by_boat") > 0 then
|
|
minetest.dig_node(pos)
|
|
end
|
|
end
|
|
end
|
|
|
|
local had_passenger = self._passenger
|
|
|
|
self._driver = check_object(self._driver)
|
|
self._passenger = check_object(self._passenger)
|
|
|
|
if self._passenger then
|
|
if not self._driver then
|
|
self._driver = self._passenger
|
|
self._passenger = nil
|
|
else
|
|
local ctrl = self._passenger:get_player_control()
|
|
if ctrl and ctrl.sneak then
|
|
detach_object(self._passenger, true)
|
|
self._passenger = nil
|
|
end
|
|
end
|
|
end
|
|
|
|
if self._driver then
|
|
if had_passenger and not self._passenger then
|
|
set_attach(self)
|
|
end
|
|
local ctrl = self._driver:get_player_control()
|
|
if ctrl and ctrl.sneak then
|
|
detach_object(self._driver, true)
|
|
self._driver = nil
|
|
return
|
|
end
|
|
local yaw = self.object:get_yaw()
|
|
if ctrl.up then
|
|
-- Forwards
|
|
self._v = self._v + 0.1 * v_factor
|
|
|
|
-- Paddling animation
|
|
if self._animation ~= 1 then
|
|
self.object:set_animation({x=0, y=40}, paddling_speed, 0, true)
|
|
self._animation = 1
|
|
end
|
|
elseif ctrl.down then
|
|
-- Backwards
|
|
self._v = self._v - 0.1 * v_factor
|
|
|
|
-- Paddling animation, reversed
|
|
if self._animation ~= -1 then
|
|
self.object:set_animation({x=0, y=40}, -paddling_speed, 0, true)
|
|
self._animation = -1
|
|
end
|
|
else
|
|
-- Stop paddling animation if no control pressed
|
|
if self._animation ~= 0 then
|
|
self.object:set_animation({x=0, y=40}, 0, 0, true)
|
|
self._animation = 0
|
|
end
|
|
end
|
|
if ctrl and ctrl.left then
|
|
if self._v < 0 then
|
|
self.object:set_yaw(yaw - (1 + dtime) * 0.03 * v_factor)
|
|
else
|
|
self.object:set_yaw(yaw + (1 + dtime) * 0.03 * v_factor)
|
|
end
|
|
elseif ctrl and ctrl.right then
|
|
if self._v < 0 then
|
|
self.object:set_yaw(yaw + (1 + dtime) * 0.03 * v_factor)
|
|
else
|
|
self.object:set_yaw(yaw - (1 + dtime) * 0.03 * v_factor)
|
|
end
|
|
end
|
|
else
|
|
-- Stop paddling without driver
|
|
if self._animation ~= 0 then
|
|
self.object:set_animation({x=0, y=40}, 0, 0, true)
|
|
self._animation = 0
|
|
end
|
|
|
|
for _, obj in pairs(minetest.get_objects_inside_radius(self.object:get_pos(), 1.3)) do
|
|
local entity = obj:get_luaentity()
|
|
if entity and entity._cmi_is_mob then
|
|
attach_object(self, obj)
|
|
break
|
|
end
|
|
end
|
|
end
|
|
local s = get_sign(self._v)
|
|
if not on_ice and not on_water and not in_water and math.abs(self._v) > 2.0 then
|
|
v_slowdown = math.min(math.abs(self._v) - 2.0, v_slowdown * 5)
|
|
elseif not on_ice and in_water and math.abs(self._v) > 1.5 then
|
|
v_slowdown = math.min(math.abs(self._v) - 1.5, v_slowdown * 5)
|
|
end
|
|
self._v = self._v - v_slowdown * s
|
|
if s ~= get_sign(self._v) then
|
|
self._v = 0
|
|
end
|
|
|
|
p.y = p.y - boat_y_offset
|
|
local new_velo
|
|
local new_acce = {x = 0, y = 0, z = 0}
|
|
if not is_water(p) and not on_ice then
|
|
-- Not on water or inside water: Free fall
|
|
local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
|
|
new_acce = {x = 0, y = -9.8, z = 0}
|
|
new_velo = get_velocity(self._v, self.object:get_yaw(),
|
|
self.object:get_velocity().y)
|
|
else
|
|
p.y = p.y + 1
|
|
if is_water(p) then
|
|
-- Inside water: Slowly sink
|
|
local y = self.object:get_velocity().y
|
|
y = y - 0.01
|
|
if y < -0.2 then
|
|
y = -0.2
|
|
end
|
|
new_acce = {x = 0, y = 0, z = 0}
|
|
new_velo = get_velocity(self._v, self.object:get_yaw(), y)
|
|
else
|
|
-- On top of water
|
|
new_acce = {x = 0, y = 0, z = 0}
|
|
if math.abs(self.object:get_velocity().y) < 0 then
|
|
new_velo = get_velocity(self._v, self.object:get_yaw(), 0)
|
|
else
|
|
new_velo = get_velocity(self._v, self.object:get_yaw(),
|
|
self.object:get_velocity().y)
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Terminal velocity: 8 m/s per axis of travel
|
|
local terminal_velocity = on_ice and 57.1 or 8.0
|
|
for _,axis in pairs({"z","y","x"}) do
|
|
if math.abs(new_velo[axis]) > terminal_velocity then
|
|
new_velo[axis] = terminal_velocity * get_sign(new_velo[axis])
|
|
end
|
|
end
|
|
|
|
local yaw = self.object:get_yaw()
|
|
local anim = (boat_max_hp - hp - regen_timer * 2) / boat_max_hp * math.pi / 4
|
|
|
|
self.object:set_rotation(vector.new(anim, yaw, anim))
|
|
self.object:set_velocity(new_velo)
|
|
self.object:set_acceleration(new_acce)
|
|
end
|
|
|
|
-- Register one entity for all boat types
|
|
minetest.register_entity("mcl_boats:boat", boat)
|
|
|
|
local boat_ids = { "boat", "boat_spruce", "boat_birch", "boat_jungle", "boat_acacia", "boat_dark_oak" }
|
|
local names = { S("Oak Boat"), S("Spruce Boat"), S("Birch Boat"), S("Jungle Boat"), S("Acacia Boat"), S("Dark Oak Boat") }
|
|
local craftstuffs = {}
|
|
if minetest.get_modpath("mcl_core") then
|
|
craftstuffs = { "mcl_core:wood", "mcl_core:sprucewood", "mcl_core:birchwood", "mcl_core:junglewood", "mcl_core:acaciawood", "mcl_core:darkwood" }
|
|
end
|
|
local images = { "oak", "spruce", "birch", "jungle", "acacia", "dark_oak" }
|
|
|
|
for b=1, #boat_ids do
|
|
local itemstring = "mcl_boats:"..boat_ids[b]
|
|
|
|
local longdesc, usagehelp, tt_help, help, helpname
|
|
help = false
|
|
-- Only create one help entry for all boats
|
|
if b == 1 then
|
|
help = true
|
|
longdesc = S("Boats are used to travel on the surface of water.")
|
|
usagehelp = S("Rightclick on a water source to place the boat. Rightclick the boat to enter it. Use [Left] and [Right] to steer, [Forwards] to speed up and [Backwards] to slow down or move backwards. Use [Sneak] to leave the boat, punch the boat to make it drop as an item.")
|
|
helpname = S("Boat")
|
|
end
|
|
tt_help = S("Water vehicle")
|
|
|
|
minetest.register_craftitem(itemstring, {
|
|
description = names[b],
|
|
_tt_help = tt_help,
|
|
_doc_items_create_entry = help,
|
|
_doc_items_entry_name = helpname,
|
|
_doc_items_longdesc = longdesc,
|
|
_doc_items_usagehelp = usagehelp,
|
|
inventory_image = "mcl_boats_"..images[b].."_boat.png",
|
|
liquids_pointable = true,
|
|
groups = { boat = 1, transport = 1},
|
|
stack_max = 1,
|
|
on_place = function(itemstack, placer, pointed_thing)
|
|
if pointed_thing.type ~= "node" then
|
|
return itemstack
|
|
end
|
|
|
|
-- Call on_rightclick if the pointed node defines it
|
|
local node = minetest.get_node(pointed_thing.under)
|
|
if placer and not placer:get_player_control().sneak then
|
|
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
|
|
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
|
|
end
|
|
end
|
|
|
|
local pos = table.copy(pointed_thing.under)
|
|
local dir = vector.subtract(pointed_thing.above, pointed_thing.under)
|
|
|
|
if math.abs(dir.x) > 0.9 or math.abs(dir.z) > 0.9 then
|
|
pos = vector.add(pos, vector.multiply(dir, boat_side_offset))
|
|
elseif is_water(pos) then
|
|
pos = vector.add(pos, vector.multiply(dir, boat_y_offset))
|
|
else
|
|
pos = vector.add(pos, vector.multiply(dir, boat_y_offset_ground))
|
|
end
|
|
local boat = minetest.add_entity(pos, "mcl_boats:boat")
|
|
boat:get_luaentity()._itemstring = itemstring
|
|
boat:set_properties({textures = { "mcl_boats_texture_"..images[b].."_boat.png" }})
|
|
boat:set_yaw(placer:get_look_horizontal())
|
|
if not minetest.is_creative_enabled(placer:get_player_name()) then
|
|
itemstack:take_item()
|
|
end
|
|
return itemstack
|
|
end,
|
|
_on_dispense = function(stack, pos, droppos, dropnode, dropdir)
|
|
local below = {x=droppos.x, y=droppos.y-1, z=droppos.z}
|
|
local belownode = minetest.get_node(below)
|
|
-- Place boat as entity on or in water
|
|
if minetest.get_item_group(dropnode.name, "water") ~= 0 or (dropnode.name == "air" and minetest.get_item_group(belownode.name, "water") ~= 0) then
|
|
minetest.add_entity(droppos, "mcl_boats:boat")
|
|
else
|
|
minetest.add_item(droppos, stack)
|
|
end
|
|
end,
|
|
})
|
|
|
|
local c = craftstuffs[b]
|
|
minetest.register_craft({
|
|
output = itemstring,
|
|
recipe = {
|
|
{c, "", c},
|
|
{c, c, c},
|
|
},
|
|
})
|
|
end
|
|
|
|
minetest.register_craft({
|
|
type = "fuel",
|
|
recipe = "group:boat",
|
|
burntime = 20,
|
|
})
|
|
|
|
if minetest.get_modpath("doc_identifier") ~= nil then
|
|
doc.sub.identifier.register_object("mcl_boats:boat", "craftitems", "mcl_boats:boat")
|
|
end
|