minetest-mod-nssm/mobs/morde.lua

mobs:register_mob("nssm:morde", {
	type = "monster",
	hp_max = 47,
	hp_min = 37,
	collisionbox = {-0.4, -0.1, -0.4, 0.4, 1.6, 0.4},
	visual = "mesh",
	rotate= 270,
	mesh = "morde.x",
	textures = {
		{"morde.png"}
	},
	visual_size = {x = 10, y = 10},
	makes_footstep_sound = true,
	view_range = 20,
	walk_velocity = 0.5,
	reach =3,
	run_velocity = 3.5,
	damage = 6,
	jump = true,
	sounds = {
		random = "morde"
	},
	drops = {
		{name = "nssm:life_energy", chance = 1, min = 2, max = 4},
		{name = "nssm:proud_soul_fragment", chance = 3, min = 1, max = 1}
	},
	armor = 60,
	drawtype = "front",
	water_damage = 0,
	fear_height = 4,
	floats = 1,
	lava_damage = 0,
	fire_damage = 0,
	light_damage = 0,
	group_attack = true,
	attack_animals = true,
	knock_back = 1,
	blood_texture = "morparticle.png",
	stepheight = 1.1,
	attack_type = "dogfight",
	animation = {
		speed_normal = 15,
		speed_run = 25,
		stand_start = 10,
		stand_end = 40,
		walk_start = 50,
		walk_end = 90,
		run_start = 100,
		run_end = 120,
		punch_start = 130,
		punch_end = 160
	},

	custom_attack = function (self)

		self.morde_timer = self.morde_timer or os.time()

		if (os.time() - self.morde_timer) > 1 then

			self.morde_timer = os.time()

			local s = self.object:get_pos()
			local p = self.attack:get_pos()

			mobs:set_animation(self, "punch")

			self.health = self.health + (self.damage * 2)

			local m = 3

			if minetest.line_of_sight(
				{x = p.x, y = p.y + 1.5, z = p.z},
				{x = s.x, y = s.y + 1.5, z = s.z}) == true then

				-- play attack sound
				if self.sounds.attack then
					minetest.sound_play(self.sounds.attack, {
						object = self.object,
						max_hear_distance = self.sounds.distance
					}, true)
				end

				-- punch player
				self.attack:punch(self.object, 1.0, {
					full_punch_interval = 1.0,
					damage_groups = {fleshy = self.damage}
				}, nil)

				minetest.add_particlespawner({
					amount = 6,
					time = 1,
					minpos = {x = p.x - 0.5, y = p.y - 0.5, z = p.z - 0.5},
					maxpos = {x = p.x + 0.5, y = p.y + 0.5, z = p.z + 0.5},
					minvel = {
						x = (s.x - p.x) * m,
						y = (s.y - p.y + 1) * m,
						z = (s.z - p.z) * m
					},
					maxvel = {
						x = (s.x - p.x) * m,
						y = (s.y - p.y + 1) * m,
						z = (s.z - p.z) * m
					},
					minacc = {x = s.x - p.x, y = s.y - p.y + 1, z = s.z - p.z},
					maxacc = {x = s.x - p.x, y = s.y - p.y + 1, z = s.z - p.z},
					minexptime = 0.2,
					maxexptime = 0.3,
					minsize = 2,
					maxsize = 3,
					collisiondetection = false,
					texture = "morparticle.png"
				})
			end
		end
	end,

	on_die = function(self)

		local pos = self.object:get_pos()

		self.object:remove()

		minetest.add_entity(pos, "nssm:mortick")
	end
})

minetest.register_entity("nssm:mortick", {
	textures = {"mortick.png"},
	hp_min = 10000,
	hp_max = 10000,
	armor = 100,
	visual = "mesh",
	mesh = "mortick.x",
	collisionbox = {-0.2, -0.2, -0.2, 0.2, 0.2, 0.2},
	visual_size = {x = 3, y = 3},
	--lifetime = 10,
	damage = 1,

	on_step = function(self, dtime)

		self.mortick_timer = self.mortick_timer or os.time()
		self.timer = self.timer or 0
		self.timer = self.timer + dtime

		local s = self.object:get_pos()
		local s1 = {x=s.x, y = s.y - 1, z = s.z}

		--[[
		if (os.time()-self.mortick_timer > self.lifetime) then
			self.object:remove()
		end
		]]

		--The mortick dies when he finds himself in the fire
		local name = minetest.get_node(s1).name

		if name == "fire:basic_flame"
		or name == "fire:permanent_flame"
		or name == "nssm:phoenix_fire"
		or name == "default:lava_source"
		or name == "default:lava_flowing" then
			self.object:remove()
		end

		--Find player to attack:
		self.attack = (self.attack or 0)

		local objects = minetest.get_objects_inside_radius(s, 8)

		for _,obj in ipairs(objects) do

			if obj:is_player() then
				self.attack = obj
			end
		end

		--If found a player follow him
		if self.attack ~= 0 then

			local p = self.attack:get_pos()

			-- Just incase player teleports away or leaves game
			if not p then
				self.attack = nil
				return
			end

			local yawp = self.attack:get_look_horizontal() + math.pi / 2
			local pi = math.pi

			p.y = p.y + 1
			p.x = p.x - math.cos(yawp) / 2.5
			p.z = p.z - math.sin(yawp) / 2.5

			local m = 10
			local v = {
				x = -(s.x - p.x) * m,
				y = -(s.y - p.y) * m,
				z = -(s.z - p.z) * m
			}
			local yaws = yawp + pi

			--stay attached to players back:
			self.object:set_velocity(v)
			self.object:set_yaw(yaws)

			--damage player every ten seconds:
			if self.timer > 10 then
				self.timer = 0
				self.attack:set_hp(self.attack:get_hp() - self.damage)
			end
		end
	end
})