animalia/mobs/frog.lua

----------
-- Frog --
----------

local random = math.random

local vec_add = vector.add
local vec_dist = vector.distance
local vec_sub = vector.subtract

creatura.register_mob("animalia:frog", {
	-- 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 = 0,
	turn_rate = 10,
	bouyancy_multiplier = 0,
	hydrodynamics_multiplier = 0.3,
	-- Visuals
	mesh = "animalia_frog.b3d",
	hitbox = {
		width = 0.15,
		height = 0.3
	},
	visual_size = {x = 7, y = 7},
	textures = {
		"animalia_frog_1.png",
		"animalia_frog_2.png"
	},
	child_textures = {
		"animalia_tadpole.png"
	},
	animations = {
		stand = {range = {x = 1, y = 40}, speed = 10, frame_blend = 0.3, loop = true},
		float = {range = {x = 90, y = 90}, speed = 1, frame_blend = 0.3, loop = true},
		swim = {range = {x = 90, y = 110}, speed = 50, frame_blend = 0.3, loop = true},
		walk = {range = {x = 50, y = 80}, speed = 50, frame_blend = 0.3, loop = true},
		run = {range = {x = 50, y = 80}, speed = 60, frame_blend = 0.3, loop = true}
	},
	-- Misc
	makes_footstep_sound = true,
	catch_with_net = true,
	catch_with_lasso = true,
	sounds = {
		random = {
			name = "animalia_frog",
			gain = 0.5,
			distance = 32,
			variations = 3
		}
	},
	follow = {
		"butterflies:butterfly_red",
		"butterflies:butterfly_white",
		"butterflies:butterfly_violet"
	},
	head_data = {
		offset = {x = 0, y = 0.43, z = 0},
		pitch_correction = -15,
		pivot_h = 0.3,
		pivot_v = 0.3
	},
	-- Function
	utility_stack = {
		{
			utility = "animalia:wander",
			step_delay = 0.25,
			get_score = function(self)
				return 0.1, {self}
			end
		},
		{
			utility = "animalia:aquatic_wander",
			step_delay = 0.25,
			get_score = function(self)
				if self.in_liquid then
					return 0.2, {self}
				end
				return 0
			end
		},
		{
			utility = "animalia:eat_bug",
			get_score = function(self)
				local pos = self.object:get_pos()
				if not pos then return end
				if random(12) < 2 then
					local food = minetest.find_nodes_in_area(vec_sub(pos, 1.5), vec_add(pos, 1.5), self.follow)
					if food[1] then
						return 0.3, {self, food[1]}
					end
				end
				return 0
			end
		},
		{
			utility = "animalia:breed",
			step_delay = 0.25,
			get_score = function(self)
				if self.breeding
				and animalia.get_nearby_mate(self, self.name)
				and self.in_liquid then
					return 1, {self}
				end
				return 0
			end
		},
		{
			utility = "animalia:flop",
			step_delay = 0.25,
			get_score = function(self)
				if not self.in_liquid
				and self.growth_scale <= 0.6 then
					return 1, {self}
				end
				return 0
			end
		},
		{
			utility = "animalia:flee_from_target",
			get_score = function(self)
				if self.in_liquid then return 0 end
				local pos = self.object:get_pos()
				if not pos then return end
				local target = self._target or creatura.get_nearby_player(self)
				local tgt_pos = target and target:get_pos()
				local plyr_name = (target and target:is_player() and target:get_player_name()) or ""
				if tgt_pos then
					local trust = self.trust[plyr_name] or 0
					self._target = target -- stored to memory to avoid calling get_nearby_player again
					return (10 - (vec_dist(pos, tgt_pos) + trust)) * 0.1, {self, target}
				end
				return 0
			end
		},
		{
			utility = "animalia:run_to_pos",
			get_score = function(self)
				if self.in_liquid then return 0 end
				local pos = self.object:get_pos()
				if not pos then return end
				local water = minetest.find_nodes_in_area(vec_sub(pos, 1.5), vec_add(pos, 1.5), {"group:water"})
				if not water[1] then return 0 end
				local player = self._target
				local plyr_name = player and player:is_player() and player:get_player_name()
				if plyr_name then
					local plyr_pos = player and player:get_pos()
					local trust = self.trust[plyr_name] or 0
					return (10 - (vec_dist(pos, plyr_pos) + trust)) * 0.1, {self, water[1]}
				end
				return 0
			end
		}
	},
	activate_func = function(self)
		animalia.initialize_api(self)
		animalia.initialize_lasso(self)
		self.trust = self:recall("trust") or {}
		for i = 1, 15 do
			local frame = 120 + i
			local anim = {range = {x = frame, y = frame}, speed = 1, frame_blend = 0.3, loop = false}
			self.animations["tongue_" .. i] = anim
		end
	end,
	step_func = function(self)
		animalia.step_timers(self)
		animalia.head_tracking(self, 0.2, 0.2)
		animalia.do_growth(self, 60)
		animalia.update_lasso_effects(self)
		if self:timer(random(5, 15)) then
			self:play_sound("random")
		end
		local props = self.object:get_properties()
		if self.growth_scale <= 0.6
		and props.mesh ~= "animalia_tadpole.b3d" then
			self.object:set_properties({
				mesh = "animalia_tadpole.b3d"
			})
		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, true) 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)
		self.trust[puncher:get_player_name()] = 0
		self:memorize("trust", self.trust)
	end
})

creatura.register_spawn_egg("animalia:frog", "67942e", "294811")