minetest-mm/mods/mobs_water/mobs_fish/init.lua

local SPRITE_VERSION = false -- set to true to use upright sprites instead of meshes

-- local variables
local l_spawn_chance = 10000
local l_water_level = minetest.settings:get("water_level") - 1
local l_visual = "mesh"
local l_visual_size = {x = .75, y = .75}
local l_clown_mesh = "animal_clownfish.b3d"
local l_trop_mesh = "fish_blue_white.b3d"
local l_clown_textures = {
	{"clownfish.png"},
	{"clownfish2.png"}
}
local l_trop_textures = {
	{"fish.png"},
	{"fish2.png"},
	{"fish3.png"}
}

if SPRITE_VERSION then
	l_visual = "upright_sprite"
	l_visual_size = {x = .5, y = .5}
	l_clown_mesh = nil
	l_trop_mesh = nil
	l_clown_textures = {{"animal_clownfish_clownfish_item.png"}}
	l_trop_textures = {{"animal_fish_blue_white_fish_blue_white_item.png"}}
end

-- Clownfish
mobs:register_mob("mobs_fish:clownfish", {
	type = "animal",
	passive = true,
	hp_min = 1,
	hp_max = 4,
	armor = 100,
	collisionbox = {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25},
	rotate = 270,
	visual = l_visual,
	mesh = l_clown_mesh,
	textures = l_clown_textures,
	visual_size = l_visual_size,
	makes_footstep_sound = false,
	stepheight = 0,
	fly = true,
	fly_in = "default:water_source",
	fall_speed = 0,
	view_range = 8,
	water_damage = 0,
	air_damage = 0,
	lava_damage = 5,
	light_damage = 0,
	animation = {
		speed_normal = 24,
		speed_run = 24,
		stand_start = 1,
		stand_end = 80,
		walk_start = 81,
		walk_end = 155,
		run_start = 81,
		run_end = 155
	},

	on_rightclick = function(self, clicker)
		mobs:capture_mob(self, clicker, 25, 80, 0, true,
				"mobs_fish:clownfish")
	end,

	on_flop = function(self)

--		print("=== am on land, help!", self.state)

		self.object:set_acceleration({
			x = math.random(-0.1, 0.1),
			y = -10,
			z = math.random(-0.1, 0.1)
		})

		self.object:set_velocity({x = 0, y = -10, z = 0})

		return true
	end,
})

mobs:spawn({
	name = "mobs_fish:clownfish",
	nodes = {
		"default:water_source", "default:water_flowing",
		"default:river_water_source", "default:river_water_flowing"
	},
	neighbors =  {
		"default:sand","default:dirt","group:seaplants","group:seacoral"
	},
	min_light = 5,
	interval = 30,
	chance = l_spawn_chance,
	max_height = l_water_level,
	active_object_count = 5,
})

mobs:register_egg("mobs_fish:clownfish", "Clownfish",
	"animal_clownfish_clownfish_item.png", 0)

-- Tropical fish
mobs:register_mob("mobs_fish:tropical", {
	type = "animal",
	passive = true,
	hp_min = 1,
	hp_max = 4,
	armor = 100,
	collisionbox = {-0.25, -0.25, -0.25, 0.25, 0.25, 0.25},
	rotate = 270,
	visual = l_visual,
	mesh = l_trop_mesh,
	textures = l_trop_textures,
	visual_size = l_visual_size,
	makes_footstep_sound = false,
	stepheight = 0,
	fly = true,
	fly_in = "default:water_source",
	fall_speed = 0,
	view_range = 8,
	water_damage = 0,
	lava_damage = 5,
	light_damage = 0,
	air_damage = 0,
	animation = {
		speed_normal = 24,
		speed_run = 24,
		stand_start = 1,
		stand_end = 80,
		walk_start = 81,
		walk_end = 155,
		run_start = 81,
		run_end = 155
	},

	on_rightclick = function(self, clicker)
		mobs:capture_mob(self, clicker, 25, 80, 0, true,
				"mobs_fish:tropical")
	end,

	on_flop = function(self)

--		print("=== am on land, help!", self.state)

		self.object:set_acceleration({
			x = math.random(-0.1, 0.1),
			y = -10,
			z = math.random(-0.1, 0.1)
		})

		self.object:set_velocity({x = 0, y = -10, z = 0})

		return true
	end,
})

mobs:spawn({
	name = "mobs_fish:tropical",
	nodes = {
		"default:water_source", "default:water_flowing",
		"default:river_water_source", "default:river_water_flowing"
	},
	neighbors =  {
		"default:sand","default:dirt","group:seaplants","group:seacoral"
	},
	min_light = 5,
	interval = 30,
	chance = l_spawn_chance,
	max_height = l_water_level,
	active_object_count = 5,
})

mobs:register_egg("mobs_fish:tropical", "Tropical fish",
	"animal_fish_blue_white_fish_blue_white_item.png", 0)