--MCmobs v0.4
--maikerumine
--made for MC like Survival game
--License for code WTFPL and otherwise stated in readmes

local pi = math.pi
local atann = math.atan
local atan = function(x)
	if not x or x ~= x then
		return 0
	else
		return atann(x)
	end
end

local dir_to_pitch = function(dir)
	local dir2 = vector.normalize(dir)
	local xz = math.abs(dir.x) + math.abs(dir.z)
	return -math.atan2(-dir.y, xz)
end

local function degrees(rad)
	return rad * 180.0 / math.pi
end

local S = minetest.get_translator("extra_mobs")

--###################
--################### dolphin
--###################

local dolphin = {
    type = "monster",
    spawn_class = "water",
    can_despawn = true,
    passive = true,
    hp_min = 10,
    hp_max = 10,
    xp_min = 1,
    xp_max = 3,
    armor = 100,
	walk_chance = 100,
	breath_max = 120,
	rotate = 270,
    tilt_swim = true,
    collisionbox = {-0.3, 0.0, -0.3, 0.3, 0.79, 0.3},
    visual = "mesh",
    mesh = "extra_mobs_dolphin.b3d",
    textures = {
        {"extra_mobs_dolphin.png"}
    },
    sounds = {
    },
    animation = {
		stand_start = 20,
		stand_end = 20,
		walk_start = 0,
		walk_end = 15,
		run_start = 30,
		run_end = 45,
		},
		drops = {
			{name = "mcl_fishing:fish_raw",
			chance = 1,
			min = 0,
			max = 1,},
		},
    visual_size = {x=3, y=3},
    makes_footstep_sound = false,
    swim = true,
    breathes_in_water = true,
    jump = false,
    view_range = 16,
    fear_height = 4,
		walk_velocity = 3,
		run_velocity = 6,
		reach = 2,
		damage = 2.5,
		attack_type = "dogfight",
		do_custom = function(self)
      self.object:set_bone_position("body", vector.new(0,1,0), vector.new(degrees(dir_to_pitch(self.object:get_velocity())) * -1 + 90,0,0))
      if minetest.get_item_group(self.standing_in, "water") ~= 0 then
				if self.object:get_velocity().y < 5 then
        	self.object:add_velocity({ x = 0 , y = math.random(-.007, .007), z = 0 })
				end
      end
    end,
}

mobs:register_mob("extra_mobs:dolphin", dolphin)


--spawning TODO: in schools
local water = mobs_mc.spawn_height.water + 1
mobs:spawn_specific(
"extra_mobs:dolphin", 
"overworld", 
"water",
{
"Mesa",
"FlowerForest",
"Swampland",
"Taiga",
"ExtremeHills",
"Jungle",
"Savanna",
"BirchForest",
"MegaSpruceTaiga",
"MegaTaiga",
"ExtremeHills+",
"Forest",
"Plains",
"Desert",
"ColdTaiga",
"MushroomIsland",
"IcePlainsSpikes",
"SunflowerPlains",
"IcePlains",
"RoofedForest",
"ExtremeHills+_snowtop",
"MesaPlateauFM_grasstop",
"JungleEdgeM",
"ExtremeHillsM",
"JungleM",
"BirchForestM",
"MesaPlateauF",
"MesaPlateauFM",
"MesaPlateauF_grasstop",
"MesaBryce",
"JungleEdge",
"SavannaM",
"FlowerForest_beach",
"Forest_beach",
"StoneBeach",
"ColdTaiga_beach_water",
"Taiga_beach",
"Savanna_beach",
"Plains_beach",
"ExtremeHills_beach",
"ColdTaiga_beach",
"Swampland_shore",
"MushroomIslandShore",
"JungleM_shore",
"Jungle_shore",
"MesaPlateauFM_sandlevel",
"MesaPlateauF_sandlevel",
"MesaBryce_sandlevel",
"Mesa_sandlevel",
"RoofedForest_ocean",
"JungleEdgeM_ocean",
"BirchForestM_ocean",
"BirchForest_ocean",
"IcePlains_deep_ocean",
"Jungle_deep_ocean",
"Savanna_ocean",
"MesaPlateauF_ocean",
"ExtremeHillsM_deep_ocean",
"Savanna_deep_ocean",
"SunflowerPlains_ocean",
"Swampland_deep_ocean",
"Swampland_ocean",
"MegaSpruceTaiga_deep_ocean",
"ExtremeHillsM_ocean",
"JungleEdgeM_deep_ocean",
"SunflowerPlains_deep_ocean",
"BirchForest_deep_ocean",
"IcePlainsSpikes_ocean",
"Mesa_ocean",
"StoneBeach_ocean",
"Plains_deep_ocean",
"JungleEdge_deep_ocean",
"SavannaM_deep_ocean",
"Desert_deep_ocean",
"Mesa_deep_ocean",
"ColdTaiga_deep_ocean",
"Plains_ocean",
"MesaPlateauFM_ocean",
"Forest_deep_ocean",
"JungleM_deep_ocean",
"FlowerForest_deep_ocean",
"MushroomIsland_ocean",
"MegaTaiga_ocean",
"StoneBeach_deep_ocean",
"IcePlainsSpikes_deep_ocean",
"ColdTaiga_ocean",
"SavannaM_ocean",
"MesaPlateauF_deep_ocean",
"MesaBryce_deep_ocean",
"ExtremeHills+_deep_ocean",
"ExtremeHills_ocean",
"MushroomIsland_deep_ocean",
"Forest_ocean",
"MegaTaiga_deep_ocean",
"JungleEdge_ocean",
"MesaBryce_ocean",
"MegaSpruceTaiga_ocean",
"ExtremeHills+_ocean",
"Jungle_ocean",
"RoofedForest_deep_ocean",
"IcePlains_ocean",
"FlowerForest_ocean",
"ExtremeHills_deep_ocean",
"MesaPlateauFM_deep_ocean",
"Desert_ocean",
"Taiga_ocean",
"BirchForestM_deep_ocean",
"Taiga_deep_ocean",
"JungleM_ocean",
"FlowerForest_underground",
"JungleEdge_underground",
"StoneBeach_underground",
"MesaBryce_underground",
"Mesa_underground",
"RoofedForest_underground",
"Jungle_underground",
"Swampland_underground",
"MushroomIsland_underground",
"BirchForest_underground",
"Plains_underground",
"MesaPlateauF_underground",
"ExtremeHills_underground",
"MegaSpruceTaiga_underground",
"BirchForestM_underground",
"SavannaM_underground",
"MesaPlateauFM_underground",
"Desert_underground",
"Savanna_underground",
"Forest_underground",
"SunflowerPlains_underground",
"ColdTaiga_underground",
"IcePlains_underground",
"IcePlainsSpikes_underground",
"MegaTaiga_underground",
"Taiga_underground",
"ExtremeHills+_underground",
"JungleM_underground",
"ExtremeHillsM_underground",
"JungleEdgeM_underground",
},
0, 
minetest.LIGHT_MAX+1, 
30, 
4000, 
3, 
water-16, 
water)

--spawn egg
mobs:register_egg("extra_mobs:dolphin", S("Dolphin"), "extra_mobs_spawn_icon_dolphin.png", 0)