write something there

mods/animalia/mobs/owl.lua

@@ -0,0 +1,169 @@
+---------
+-- Owl --
+---------
+
+local abs = math.abs
+
+local vec_dist = vector.distance
+
+local function get_home_pos(self)
+	local pos = self.object:get_pos()
+	if not pos then return end
+	local leaves = minetest.find_nodes_in_area_under_air(
+		vector.subtract(pos, 16),
+		vector.add(pos, 16),
+		"group:leaves"
+	)
+	local home_dist
+	local new_home
+	for _, leaf_pos in ipairs(leaves or {}) do
+		local dist = vec_dist(pos, leaf_pos)
+		if not home_dist
+		or dist < home_dist then
+			home_dist = dist
+			new_home = leaf_pos
+		end
+	end
+	if new_home then
+		new_home.y = new_home.y + 1
+		self.home_position = self:memorize("home_position", new_home)
+	end
+end
+
+creatura.register_mob("animalia:owl", {
+	-- Engine Props
+	visual_size = {x = 10, y = 10},
+	mesh = "animalia_owl.b3d",
+	textures = {
+		"animalia_owl.png"
+	},
+	makes_footstep_sound = false,
+
+	-- Creatura Props
+	max_health = 10,
+	damage = 2,
+	speed = 4,
+	tracking_range = 16,
+	max_boids = 0,
+	despawn_after = 500,
+	max_fall = 0,
+	sound = {}, -- TODO
+	hitbox = {
+		width = 0.15,
+		height = 0.3
+	},
+	animations = {
+		stand = {range = {x = 1, y = 60}, speed = 20, frame_blend = 0.3, loop = true},
+		fly = {range = {x = 71, y = 89}, speed = 30, frame_blend = 0.3, loop = true},
+		glide = {range = {x = 101, y = 119}, speed = 20, frame_blend = 0.2, loop = true},
+		fly_punch = {range = {x = 131, y = 149}, speed = 20, frame_blend = 0.1, loop = false},
+		eat = {range = {x = 161, y = 179}, speed = 20, frame_blend = 0.1, loop = false}
+	},
+	follow = {"animalia:rat_raw"},
+	drops = {
+		{name = "animalia:feather", min = 1, max = 2, chance = 1}
+	},
+
+	-- Animalia Props
+	flee_puncher = true, -- TODO
+	catch_with_net = true,
+	catch_with_lasso = false,
+	roost_action = animalia.action_roost,
+
+	-- Functions
+	on_eat_drop = function(self)
+		animalia.protect_from_despawn(self)
+		get_home_pos(self)
+	end,
+
+	is_home = function(pos, home_pos)
+		if abs(pos.x - home_pos.x) < 0.5
+		and abs(pos.z - home_pos.z) < 0.5 then
+			if abs(pos.y - home_pos.y) < 0.75 then
+				return true
+			else
+				local under = {x = home_pos.x, y = home_pos.y, z = home_pos.z}
+				local name = minetest.get_node(under).name
+				if minetest.get_node_group(name, "leaves") > 0 then
+					return true
+				end
+			end
+		end
+		return false
+	end,
+
+	wander_action = creatura.action_move,
+
+	utility_stack = {
+		animalia.mob_ai.fly_wander,
+		animalia.mob_ai.swim_seek_land,
+		animalia.mob_ai.bat_seek_home,
+		animalia.mob_ai.fly_seek_food,
+		animalia.mob_ai.eagle_attack
+	},
+
+	activate_func = function(self)
+		animalia.initialize_api(self)
+		animalia.initialize_lasso(self)
+		self._tp2home = self:recall("_tp2home") or nil
+		self.home_position = self:recall("home_position") or nil
+		local home_pos = self.home_position
+		if self._tp2home
+		and home_pos then
+			self.object:set_pos(home_pos)
+		end
+		self.is_landed = self:recall("is_landed") or false
+		if not home_pos
+		or creatura.get_node_def(home_pos).walkable then
+			get_home_pos(self)
+		end
+	end,
+
+	step_func = function(self)
+		animalia.step_timers(self)
+		animalia.do_growth(self, 60)
+		animalia.update_lasso_effects(self)
+		animalia.rotate_to_pitch(self)
+		if not self.is_landed
+		or not self.touching_ground then
+			self.speed = 5
+		else
+			self.speed = 1
+		end
+	end,
+
+	death_func = function(self)
+		if self:get_utility() ~= "animalia:die" then
+			self:initiate_utility("animalia:die", self)
+		end
+	end,
+
+	deactivate_func = function(self)
+		if self:get_utility()
+		and self:get_utility() == "animalia:fly_to_roost" then
+			local pos = self.home_position
+			local node = minetest.get_node_or_nil(pos)
+			if node
+			and not creatura.get_node_def(node.name).walkable
+			and minetest.get_natural_light(pos) > 0 then
+				self:memorize("_tp2home", true)
+			end
+		end
+	end,
+
+	on_rightclick = function(self, clicker)
+		if animalia.feed(self, clicker, false, false) then
+			return
+		end
+		if animalia.set_nametag(self, clicker) then
+			return
+		end
+	end,
+
+	on_punch = animalia.punch
+})
+
+creatura.register_spawn_item("animalia:owl", {
+	col1 = "412918",
+	col2 = "735b46"
+})