local S = minetest.get_translator(minetest.get_current_modname()) -- globalscope var for the whole mod sum_airship = { speed_mult = 4, fuel_time = 10, -- per second i = {}, } local boat_visual_size = {x = 1, y = 1, z = 1} 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 -- make sure silly people don't try to run it without the needed dependencies. if not (minetest.get_modpath("mcl_boats") and minetest.get_modpath("mcl_wool") and minetest.get_modpath("mcl_core")) and not minetest.get_modpath("default") then error("\n\n===\nYou need either mcl2 or minetest_game to run sum_airship mod. \n" .. "These are listed in the optional dependencies for cross compatibility, " .. "but at least one is needed.\n===\n") end local has_air_currents = minetest.get_modpath("sum_air_currents") ~= nil local mcl = minetest.get_modpath("mcl_player") ~= nil dofile(minetest.get_modpath("sum_airship") .. DIR_DELIM .. "crafts.lua") local function is_group(pos, group) local nn = minetest.get_node(pos).name return minetest.get_item_group(nn, group) ~= 0 end local function is_river_water(p) return true end local function is_ice(pos) return false 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 = -2}, {x = 0, y = 0, z = 0}) end local function set_double_attach(boat) boat._driver:set_attach(boat.object, "", {x = 0, y = 0.8, z = -2}, {x = 0, y = 0, z = 0}) boat._passenger:set_attach(boat.object, "", {x = 0, y = 0.8, z = -3.2}, {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() if mcl then mcl_player.player_attached[name] = true end minetest.after(0.2, function(player) if player and mcl then mcl_player.player_set_animation(player, "sit" , 30) end end, obj) obj:set_look_horizontal(yaw) 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() and mcl then mcl_player.player_attached[obj:get_player_name()] = false mcl_player.player_set_animation(obj, "stand" , 30) else local luaent = obj:get_luaentity() if luaent then luaent._old_visual_size = nil end end if change_pos then obj:set_pos(vector.add(obj:get_pos(), vector.new(0, 0.2, 0))) end obj:set_pos(vector.offset(obj:get_pos(), 0, 0.7, 0)) minetest.after(0.1, function(obj, change_pos) obj:set_pos(vector.offset(obj:get_pos(), 0, 0.7, 0)) end, obj, change_pos) end -- -- Boat entity -- local boat = { physical = true, pointable = true, -- collisionbox = {-0.5, -0.35, -0.5, 0.5, 0.3, 0.5}, collisionbox = {-0.6, -0.2, -0.6, 0.6, 0.3, 0.6}, selectionbox = {-0.7, -0.35, -0.7, 0.7, 0.3, 0.7}, visual = "mesh", mesh = "sum_airship_boat.b3d", textures = {"sum_airship_texture_oak_boat.png"}, animations = { idle = {x= 10, y= 90}, fly = {x= 91, y= 170}, boost = {x= 91, y= 170}, }, 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 = "sum_airship: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, _fuel = 0, _sounds = { engine = { handle = nil, gain = 0.1, playing = false, time_elapsed = 0, }, engine_stop = { handle = nil, gain = 0.1, playing = false, time_elapsed = 0, }, } } local sounds = { engine_idle = { gain = 0.2, max_hear_distance = 10, loop = false, }, engine_stop = { gain = 0.8, max_hear_distance = 10, loop = false, }, engine_boost = { gain = 1, max_hear_distance = 10, loop = false, }, } function boat.sound_play(self, name, sound_params) local params = sound_params params.object = self.object return minetest.sound_play(name, params) end function boat.update_sound(self, dtime) local fuel = self._fuel if not fuel or not type(fuel) == "number" then return false end if fuel > 2 then if self._sounds.engine.time_elapsed > 2.1 and self._sounds.engine.handle and self._sounds.engine.playing then minetest.sound_stop(self._sounds.engine.handle) self._sounds.engine.playing = false self._sounds.engine.time_elapsed = 0 end if not self._sounds.engine.playing then self._sounds.engine.playing = true self._sounds.engine.time_elapsed = 0 self._sounds.engine.handle = boat.sound_play(self, "sum_airship_lip_trill", sounds.engine_boost) if self._sounds.engine_stop.playing then minetest.sound_stop(self._sounds.engine_stop.handle) self._sounds.engine_stop.playing = false self._sounds.engine_stop.time_elapsed = 0 end end elseif self._sounds.engine.playing and self._sounds.engine_stop.time_elapsed then minetest.sound_stop(self._sounds.engine.handle) self._sounds.engine.playing = false if not self._sounds.engine_stop.playing then self._sounds.engine_stop.playing = true self._sounds.engine_stop.time_elapsed = 0 self._sounds.engine_stop.handle = boat.sound_play(self, "sum_airship_lip_trill_end", sounds.engine_stop) end end end -- function boat.update_sound(self, forward, dtime) -- if math.abs(forward) > 0 then -- if not self._sounds.engine.playing then -- self._sounds.engine.playing = true -- self._sounds.engine.handle = minetest.sound_play("sum_airship_lip_trill", { -- gain = 0.3, -- object = self.object, -- max_hear_distance = 10, -- loop = true, -- }) -- end -- elseif forward == 0 and self._sounds.engine.playing then -- minetest.sound_stop(self._sounds.engine.handle) -- self._sounds.engine.playing = false -- end -- end minetest.register_on_respawnplayer(detach_object) function boat.on_rightclick(self, clicker) local item = clicker:get_wielded_item() local item_name = item:get_name() if clicker and (string.find(item_name, ":coal_lump") or string.find(item_name, ":charcoal_lump")) then if not minetest.is_creative_enabled(clicker:get_player_name()) then item:take_item() clicker:set_wielded_item(item) end self._fuel = self._fuel + sum_airship.fuel_time elseif self._passenger or not clicker or clicker:get_attach() then else attach_object(self, clicker) end end boat.chimney_dist = -1.0 boat.chimney_yaw = 0.13 boat.chimney_height = 0.9 function boat.get_chimney_pos(self) local p = self.object:get_pos() local yaw = self.object:get_yaw() local ret = { x = p.x + (boat.chimney_dist * math.sin(-yaw + boat.chimney_yaw)), y = p.y + boat.chimney_height, z = p.z + (boat.chimney_dist * math.cos(-yaw + boat.chimney_yaw))} return ret end function boat.on_activate(self, staticdata, dtime_s) self.object:set_armor_groups({fleshy = 100}) self.object:set_animation(self.animations.idle, 25) local data = minetest.deserialize(staticdata) if type(data) == "table" then self._v = data.v self._last_v = self._v self._itemstring = data.itemstring self._fuel = data.fuel while #data.textures < 5 do table.insert(data.textures, data.textures[1]) end self.object:set_properties({textures = data.textures}) end end function boat.get_staticdata(self) return minetest.serialize({ v = self._v, itemstring = self._itemstring, fuel = self._fuel, textures = self.object:get_properties().textures }) end function boat.on_death(self, killer) if minetest.get_modpath("mcl_burning") then mcl_burning.extinguish(self.object) end 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.sound_countdown(self, dtime) for _, sound in pairs(self._sounds) do if sound.playing then sound.time_elapsed = sound.time_elapsed + dtime end end end function boat.on_step(self, dtime, moveresult) boat.sound_countdown(self, dtime) if minetest.get_modpath("mcl_burning") then mcl_burning.tick(self.object, dtime, self) end self._v = get_v(self.object:get_velocity()) * get_sign(self._v) local v_factor = 1 local v_slowdown = 0.1 local v = self.object:get_velocity() local p = self.object:get_pos() local in_water = minetest.get_item_group(minetest.get_node(p).name, "liquid") ~= 0 local on_water = (minetest.get_item_group(minetest.get_node(vector.offset(p, 0, -0.2, 0)).name, "liquid") ~= 0 and not in_water) local node_below = minetest.get_node(vector.offset(p, 0, -0.3, 0)).name local is_on_floor = minetest.registered_nodes[node_below].walkable 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 >= 3 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 climb = 0 local forward = 0 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 local has_controls = false 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 then has_controls = true end if ctrl and ctrl.sneak then detach_object(self._driver, true) self._driver = nil return end local yaw = self.object:get_yaw() -- if mcl and mcl_player.player_get_animation(self._driver).animation ~= "sit" then -- mcl_player.player_set_animation(self._driver, "sit" , 30) -- end if ctrl and not in_water then if ctrl.up then -- Forwards forward = forward + 1 elseif ctrl.down then forward = forward - 1 end if ctrl.aux1 then climb = climb - 1 elseif ctrl.jump then climb = climb + 1 end if 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.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 end 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.is_mob then -- attach_object(self, obj) -- break -- end -- end local s = get_sign(self._v) local yaw = self.object:get_yaw() local yaw_dir = minetest.yaw_to_dir(yaw) local anim = (boat_max_hp - hp - regen_timer / 3) / boat_max_hp * math.pi / 8 self.object:set_rotation(vector.new(anim, yaw, anim)) local vel = vector.new(0, 0, 0) if true then local speed = sum_airship.speed_mult if self._fuel > 0 then self._fuel = self._fuel - dtime speed = speed * 3 end dir = vector.multiply(yaw_dir, forward) dir.y = climb vel = vector.multiply(dir, speed) if not self._driver then vel.y = vel.y - 0.6 end end if in_water then vel = {x=0, y=5, z=0} elseif on_water and not self._driver then vel = {x=0, y=0, z=0} v = {x=0, y=0, z=0} end local wind_vel = vector.new(0,0,0) if has_air_currents then wind_vel = sum_air_currents.get_wind(p) if self._driver or not is_on_floor then vel = vector.add(wind_vel, vel) end end local slowdown = 0.983 if forward == 0 then slowdown = 0.97 end v.x = v.x * slowdown v.z = v.z * slowdown v.y = v.y * 0.97 if is_on_floor and not self._driver then vel = vector.new(0, 0, 0) self.object:set_velocity(vel) else self.object:set_velocity(v) end self.object:set_acceleration(vel) local chimney_pos = boat.get_chimney_pos(self) if true or has_controls then -- only do it if you got the input boat.update_sound(self, dtime) end local spread = 0.06 if self._fuel > 0 or math.random(0,100) > 80 then minetest.add_particle({ pos = vector.offset(chimney_pos, math.random(-1, 1)*spread, 0, math.random(-1, 1)*spread), velocity = vector.add(wind_vel, {x=0, y=math.random(0.2*100,0.7*100)/100, z=0}), expirationtime = math.random(0.5, 2), size = math.random(0.1, 4), collisiondetection = false, vertical = false, texture = "sum_airship_smoke.png", }) end -- animations if self._fuel > 0 then self.object:set_animation(self.animations.boost, 25) elseif self._driver then self.object:set_animation(self.animations.fly, 25) else self.object:set_animation(self.animations.idle, 25) end end -- Register one entity for all boat types minetest.register_entity("sum_airship:boat", boat) local boat_ids = { "main" } local names = { S("Oak Airship") } local images = { "oak" } for b=1, #boat_ids do local itemstring = "sum_airship:"..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("Airship are used to travel in the air and stuff.") usagehelp = S("thing") helpname = S("Airship") end tt_help = S("Air 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 = "sum_airship_"..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)) else pos = vector.add(pos, vector.multiply(dir, boat_y_offset_ground)) end local boat = minetest.add_entity(pos, "sum_airship:boat") local texture = "sum_airship_texture_"..images[b].."_boat.png" boat:get_luaentity()._itemstring = itemstring boat:set_properties({textures = { texture, texture, texture, texture, texture }}) 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, "sum_airship:boat") else minetest.add_item(droppos, stack) end end, }) local cvs = "sum_airship:canvas_roll" local hul = "sum_airship:hull" local sng = "default:paper" local iro = "default:steel_ingot" if minetest.get_modpath("mcl_mobitems") and minetest.get_modpath("mcl_core") then sng = "mcl_mobitems:string" iro = "mcl_core:iron_ingot" end minetest.register_craft({ output = itemstring, recipe = { {cvs, cvs, cvs}, {sng, iro, sng}, {sng, hul, sng}, }, }) end minetest.register_craft({ type = "fuel", recipe = "group:boat", burntime = 20, }) if minetest.get_modpath("doc_identifier") and doc.sub.identifier then doc.sub.identifier.register_object("sum_airship:boat", "craftitems", "sum_airship:boat") end