--------- -- Bat -- --------- local guano_accumulation = minetest.settings:get_bool("guano_accumulation") -- Math -- local function clamp(val, min, max) if val < min then val = min elseif max < val then val = max end return val end local random = math.random local floor = math.floor -- Vector Math -- local vec_dist = vector.distance local vec_add = vector.add local function vec_raise(v, n) return {x = v.x, y = v.y + n, z = v.z} end --------------- -- Utilities -- --------------- local function get_roost(pos, range) local walkable = minetest.find_nodes_in_area( {x = pos.x + range, y = pos.y + range, z = pos.z + range}, {x = pos.x - range, y = pos.y, z = pos.z - range}, animalia.walkable_nodes ) if #walkable < 1 then return end local roosts = {} for i = 1, #walkable do local i_pos = walkable[i] local n_pos = { x = i_pos.x, y = i_pos.y - 1, z = i_pos.z } if creatura.get_node_def(n_pos).name == "air" and minetest.line_of_sight(pos, n_pos) then table.insert(roosts, n_pos) end end return roosts[random(#roosts)] end local function is_node_walkable(name) local def = minetest.registered_nodes[name] return def and def.walkable end creatura.register_mob("animalia:bat", { -- Stats max_health = 5, armor_groups = {fleshy = 200}, damage = 0, speed = 4, tracking_range = 16, despawn_after = 2500, -- Entity Physics stepheight = 1.1, max_fall = 100, turn_rate = 12, -- Visuals mesh = "animalia_bat.b3d", hitbox = { width = 0.15, height = 0.3 }, visual_size = {x = 7, y = 7}, textures = { "animalia_bat_1.png", "animalia_bat_2.png", "animalia_bat_3.png" }, animations = { stand = {range = {x = 1, y = 40}, speed = 10, frame_blend = 0.3, loop = true}, walk = {range = {x = 50, y = 90}, speed = 30, frame_blend = 0.3, loop = true}, fly = {range = {x = 100, y = 140}, speed = 80, frame_blend = 0.3, loop = true}, cling = {range = {x = 150, y = 150}, speed = 1, frame_blend = 0, loop = false} }, -- Misc sounds = { random = { name = "animalia_bat", gain = 0.5, distance = 16, variations = 2 }, }, catch_with_net = true, catch_with_lasso = false, follow = { "butterflies:butterfly_red", "butterflies:butterfly_white", "butterflies:butterfly_violet" }, -- Function roost_action = animalia.action_cling, utility_stack = { { utility = "animalia:wander", step_delay = 0.25, get_score = function(self) return 0.1, {self} end }, { utility = "animalia:aerial_wander", step_delay = 0.25, get_score = function(self) local pos = self.object:get_pos() if not pos then return end local player = creatura.get_nearby_player(self) local plyr_pos = player and not player:get_player_control().sneak and player:get_pos() if plyr_pos then local trust = self.trust[player:get_player_name() or ""] or 0 local dist = vec_dist(pos, plyr_pos) self._target = player self.is_landed = false return (12 - (dist + trust)) * 0.1, {self} end if self.in_liquid or not self.is_landed then return 0.2, {self} end return 0 end }, { utility = "animalia:fly_to_land", get_score = function(self) if self.is_landed and not self.touching_ground and not self.in_liquid and creatura.sensor_floor(self, 3, true) > 2 then return 0.3, {self} end return 0 end }, [4] = { utility = "animalia:fly_to_roost", get_score = function(self) local pos = self.object:get_pos() if not pos then return end local home = animalia.is_day and self.home_position if home and home.x and vec_dist(pos, home) < 8 then return 0.6, {self} end return 0 end } }, activate_func = function(self) animalia.initialize_api(self) animalia.initialize_lasso(self) self.home_position = self:recall("home_position") or nil self.is_landed = self:recall("is_landed") or false self.trust = self:recall("trust") or {} if not self.home_position then local roost = get_roost(self.object:get_pos(), 8) if roost then self.home_position = self:memorize("home_position", roost) end end end, step_func = function(self) animalia.step_timers(self) --animalia.head_tracking(self, 0.75, 0.75) animalia.do_growth(self, 60) animalia.update_lasso_effects(self) animalia.rotate_to_pitch(self) local pos = self.object:get_pos() if not pos then return end if self:timer(random(10,15)) then if random(4) < 2 then self.is_landed = not self.is_landed end if not self.home_position or creatura.get_node_def(self.home_position).walkable then local roost = get_roost(pos, 8) if roost then self.home_position = self:memorize("home_position", roost) end end end if self._anim == "fly" then local vel_y = vector.normalize(self.object:get_velocity()).y local rot = self.object:get_rotation() local n_rot = rot.x + (vel_y - rot.x) * 0.2 self.object:set_rotation({ x = clamp(n_rot, -0.75, 0.75), y = rot.y, z = rot.z }) end if self:timer(random(3,4)) then self:play_sound("random") if guano_accumulation and random(16) < 2 and self:get_utility() == "animalia:fly_to_roost" then pos = { x = floor(pos.x + 0.5), y = floor(pos.y + 0.5), z = floor(pos.z + 0.5) } if not is_node_walkable(minetest.get_node(vec_raise(pos, 1)).name) then return end local fail_safe = 1 while not is_node_walkable(minetest.get_node(pos).name) and fail_safe < 16 do pos.y = pos.y - 1 end if is_node_walkable(minetest.get_node(pos).name) then if minetest.get_node(vec_raise(pos, 1)).name ~= "animalia:guano" then minetest.set_node(vec_raise(pos, 1), {name = "animalia:guano"}) else local nodes = minetest.find_nodes_in_area_under_air( vector.subtract(pos, 3), vec_add(pos, 3), animalia.walkable_nodes ) if #nodes > 0 then pos = nodes[random(#nodes)] if minetest.get_node(vec_raise(pos, 1)).name ~= "animalia:guano" then minetest.set_node(vec_raise(pos, 1), {name = "animalia:guano"}) end end end end end end end, death_func = function(self) if self:get_utility() ~= "animalia:die" then self:initiate_utility("animalia:die", self) end end, on_rightclick = function(self, clicker) if animalia.feed(self, clicker, false, false) then animalia.add_trust(self, clicker, 1) return end if animalia.set_nametag(self, clicker) then return end end, on_punch = function(self, puncher, time_from_last_punch, tool_capabilities, direction, damage) creatura.basic_punch_func(self, puncher, time_from_last_punch, tool_capabilities, direction, damage) end }) creatura.register_spawn_egg("animalia:bat", "392517", "321b0b")