minetest-mm/mods/mob_horse/init.lua

-- Load support for intllib.
local MP = minetest.get_modpath(minetest.get_current_modname())
local S = minetest.get_translator and minetest.get_translator("mob_horse") or
		dofile(MP .. "/intllib.lua")

-- 0.4.17 or 5.0 check
local y_off = 20
if minetest.registered_nodes["default:permafrost"] then
	y_off = 10
end

-- horse shoes (speed, jump, break, overlay texture)
local shoes = {
	["mobs:horseshoe_steel"] = {7, 4, 2, "mobs_horseshoe_steelo.png"},
	["mobs:horseshoe_bronze"] = {7, 4, 4, "mobs_horseshoe_bronzeo.png"},
	["mobs:horseshoe_mese"] = {9, 5, 8, "mobs_horseshoe_meseo.png"},
	["mobs:horseshoe_diamond"] = {10, 6, 6, "mobs_horseshoe_diamondo.png"}
}

-- rideable horse
mobs:register_mob("mob_horse:horse", {
	type = "animal",
	visual = "mesh",
	visual_size = {x = 1.20, y = 1.20},
	mesh = "mobs_horse.x",
	collisionbox = {-0.4, -0.01, -0.4, 0.4, 1.25, 0.4},
	animation = {
		speed_normal = 15,
		speed_run = 30,
		stand_start = 25,
		stand_end = 75,
		walk_start = 75,
		walk_end = 100,
		run_start = 75,
		run_end = 100,
	},
	textures = {
		{"mobs_horse.png"}, -- textures by Mjollna
		{"mobs_horsepeg.png"},
		{"mobs_horseara.png"}
	},
	fear_height = 3,
	runaway = true,
	fly = false,
	walk_chance = 60,
	view_range = 5,
	follow = {
		"farming:wheat", "default:apple", "farming:oat",
		"farming:barley", "farming:corn"},
	passive = true,
	hp_min = 12,
	hp_max = 16,
	armor = 200,
	lava_damage = 5,
	fall_damage = 5,
	water_damage = 1,
	makes_footstep_sound = true,
	drops = {
		{name = "mobs:leather", chance = 1, min = 0, max = 2}
	},

	do_custom = function(self, dtime)

		-- set needed values if not already present
		if not self.v2 then
			self.v2 = 0
			self.max_speed_forward = 6
			self.max_speed_reverse = 2
			self.accel = 6
			self.terrain_type = 3
			self.driver_attach_at = {x = 0, y = y_off, z = -2}
			self.driver_eye_offset = {x = 0, y = 3, z = 0}
		end

		-- if driver present allow control of horse
		if self.driver then

			mobs.drive(self, "walk", "stand", false, dtime)

			return false -- skip rest of mob functions
		end

		return true
	end,

	on_die = function(self, pos)

		-- drop saddle when horse is killed while riding
		-- also detach from horse properly
		if self.driver then

			minetest.add_item(pos, "mobs:saddle")

			mobs.detach(self.driver, {x = 1, y = 0, z = 1})

			self.saddle = nil
		end

		-- drop any horseshoes added
		if self.shoed then
			minetest.add_item(pos, self.shoed)
		end

	end,

	on_rightclick = function(self, clicker)

		-- make sure player is clicking
		if not clicker or not clicker:is_player() then
			return
		end

		-- feed, tame or heal horse
		if mobs:feed_tame(self, clicker, 10, true, true) then
			return
		end

		-- applying protection rune
		if mobs:protect(self, clicker) then
			return
		end

		-- make sure tamed horse is being clicked by owner only
		if self.tamed and self.owner == clicker:get_player_name() then

			local inv = clicker:get_inventory()
			local tool = clicker:get_wielded_item()
			local item = tool:get_name()

			-- detatch player already riding horse
			if self.driver and clicker == self.driver then

				mobs.detach(clicker, {x = 1, y = 0, z = 1})

				-- add saddle back to inventory
				if inv:room_for_item("main", "mobs:saddle") then
					inv:add_item("main", "mobs:saddle")
				else
					minetest.add_item(clicker:get_pos(), "mobs:saddle")
				end

				self.saddle = nil

			-- attach player to horse
			elseif (not self.driver and not self.child
			and clicker:get_wielded_item():get_name() == "mobs:saddle")
			or self.saddle then

				self.object:set_properties({stepheight = 1.1})
				mobs.attach(self, clicker)

				-- take saddle from inventory
				if not self.saddle then
					inv:remove_item("main", "mobs:saddle")
				end

				self.saddle = true
			end

			-- apply horseshoes
			if item:find("mobs:horseshoe") then

				-- drop any existing shoes
				if self.shoed then
					minetest.add_item(self.object:get_pos(), self.shoed)
				end

				local speed = shoes[item][1]
				local jump = shoes[item][2]
				local reverse = shoes[item][3]
				local overlay = shoes[item][4]

				self.max_speed_forward = speed
				self.jump_height = jump
				self.max_speed_reverse = reverse
				self.accel = speed
				self.shoed = item

				-- apply horseshoe overlay to current horse texture
				if overlay then
					self.texture_mods = "^" .. overlay
					self.object:set_texture_mod(self.texture_mods)
				end

				-- show horse speed and jump stats with shoes fitted
				minetest.chat_send_player(clicker:get_player_name(),
						S("Horse shoes fitted -")
						.. S(" speed: ") .. speed
						.. S(" , jump height: ") .. jump
						.. S(" , stop speed: ") .. reverse)

				tool:take_item() ; clicker:set_wielded_item(tool)

				return
			end
		end

		-- used to capture horse with magic lasso
		mobs:capture_mob(self, clicker, 0, 0, 80, false, nil)
	end,
})

mobs:spawn({
	name = "mob_horse:horse",
	nodes = {"default:dirt_with_grass", "ethereal:dry_dirt"},
	min_light = 14,
	interval = 60,
	chance = 16000,
	min_height = 10,
	max_height = 31000,
	day_toggle = true,
})

mobs:register_egg("mob_horse:horse", S("Horse"), "wool_brown.png", 1)


-- steel horseshoes
minetest.register_craftitem(":mobs:horseshoe_steel", {
	description = S("Steel HorseShoes (use on horse to apply)"),
	inventory_image = "mobs_horseshoe_steel.png",
})

minetest.register_craft({
	output = "mobs:horseshoe_steel",
	recipe = {
		{"", "default:steelblock", ""},
		{"default:steel_ingot", "", "default:steel_ingot"},
		{"default:steel_ingot", "", "default:steel_ingot"},
	}
})

-- bronze horseshoes
minetest.register_craftitem(":mobs:horseshoe_bronze", {
	description = S("Bronze HorseShoes (use on horse to apply)"),
	inventory_image = "mobs_horseshoe_bronze.png",
})

minetest.register_craft({
	output = "mobs:horseshoe_bronze",
	recipe = {
		{"", "default:bronzeblock", ""},
		{"default:bronze_ingot", "", "default:bronze_ingot"},
		{"default:bronze_ingot", "", "default:bronze_ingot"},
	}
})

-- mese horseshoes
minetest.register_craftitem(":mobs:horseshoe_mese", {
	description = S("Mese HorseShoes (use on horse to apply)"),
	inventory_image = "mobs_horseshoe_mese.png",
})

minetest.register_craft({
	output = "mobs:horseshoe_mese",
	recipe = {
		{"", "default:mese", ""},
		{"default:mese_crystal_fragment", "", "default:mese_crystal_fragment"},
		{"default:mese_crystal_fragment", "", "default:mese_crystal_fragment"},
	}
})

-- diamond horseshoes
minetest.register_craftitem(":mobs:horseshoe_diamond", {
	description = S("Diamond HorseShoes (use on horse to apply)"),
	inventory_image = "mobs_horseshoe_diamond.png",
})

minetest.register_craft({
	output = "mobs:horseshoe_diamond",
	recipe = {
		{"", "default:diamondblock", ""},
		{"default:diamond", "", "default:diamond"},
		{"default:diamond", "", "default:diamond"},
	}
})

-- lucky blocks
if minetest.get_modpath("lucky_block") then

lucky_block:add_blocks({
	{"dro", {"mobs:horseshoe_steel"}},
	{"dro", {"mobs:horseshoe_bronze"}},
	{"dro", {"mobs:horseshoe_mese"}},
	{"dro", {"mobs:horseshoe_diamond"}},
})

end